Disclosed are a device monitoring method and system, an electronic device, and a storage medium. The method comprises: acquiring current data to be analyzed of a target device according to a current data acquisition mode, the current data to be analyzed being data of a target data type collected for the target device; analyzing the current data to be analyzed using a target decision model, to obtain a target monitoring result, the target decision model being used to analyze data of the target data type to obtain a monitoring result of a target monitoring type; determining a target data acquisition mode corresponding to the target monitoring result, and updating the current data acquisition mode by means of the target data acquisition mode, and obtain an updated data acquisition mode; acquiring newest data to be analyzed according to the updated data acquisition mode, and continuing to monitor the target device.
The present application relates to the technical field of workover rig transmission devices, and specifically discloses a motor direct drive drawworks. The motor direct drive drawworks comprises a drawworks frame, a roller, a disc brake device and a variable-frequency motor; the roller is rotatably arranged on the drawworks frame; the disc brake device is connected to one end surface of the roller, and the disc brake device is arranged on the drawworks frame; the variable-frequency motor is connected to the other end surface of the roller, the variable-frequency motor is arranged on the drawworks frame, and an output shaft of the variable-frequency motor and the axis of the roller are coaxially arranged. The variable-frequency motor is used as a power source, thereby effectively avoiding the problems of serious noise and waste pollution; moreover, the output shaft of the variable-frequency motor and the axis of the roller are coaxially arranged, such that the transmission mechanism is simplified, lossless torque transmission can be implemented, and the transmission efficiency is improved.
A liquid-cooling fracturing system includes a fracturing device; a power device connected to the fracturing device through a transmission device and configured to provide power for the fracturing device; a cooling medium storage device configured to store a cooling medium for cooling the power device; and a first heat exchange device, the first heat exchange device using cooling liquid to exchange heat with the cooling medium to cool the cooling medium.
A welding apparatus, comprising: a butt joint device (100), a welding device (200) and a detection device (300), wherein the butt joint device (100) comprises a first butt joint mechanism (110) and a second butt joint mechanism (120); the first butt joint mechanism (110) and the second butt joint mechanism (120) are arranged spaced apart from each other in a first direction, and the first butt joint mechanism (110) and the second butt joint mechanism (120) can move close to or away from each other; the first butt joint mechanism (110) is provided with a first limiting portion, the second butt joint mechanism (120) is provided with a second limiting portion, and the first limiting portion and the second limiting portion are both configured to fix a weld element (1000); and the detection device (300) is provided with a detection channel configured to allow the weldment (1000) to pass through, and perform welding defect detection on a weld part of the weld element (1000). The welding apparatus can solve the problem of difficulty in terms of balance between actual operation requirements and over-limit transportation of a large-size coiled tubing.
B23K 37/053 - Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the other main groups of this subclass for holding or positioning work aligning cylindrical work; Clamping devices therefor
B23K 37/00 - Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the other main groups of this subclass
A well cementing device and a control method. The well cementing device comprises a centrifugal pump, a plunger pump, and a lubrication system. The lubrication system comprises: a lubricating oil pump, which comprises a first channel, a first lubricating oil outlet in communication with the first channel, a second channel, and a second lubricating oil outlet in communication with the second channel, a first pump head being arranged in the first channel, and a second pump head being arranged in the second channel; a first distribution valve, which comprises a first inlet, at least one first outlet, and a third outlet, the first inlet being respectively in communication with the at least one first outlet, the first outlet being in communication with a packing lubrication end of the centrifugal pump, and the first lubricating oil outlet being in communication with the first inlet; and a second distribution valve, which comprises a second inlet and at least one second outlet, the second inlet being respectively in communication with the at least one second outlet, the second outlet being in communication a packing lubrication end of the plunger pump, the second lubricating oil outlet being in communication with the second inlet, or the second lubricating oil outlet being in communication with the first inlet, and the second inlet being in communication with the third outlet. The well cementing device can implement separate control of the provision of lubricating oil for the plunger pump packing or for the centrifugal pump packing, which prevents wasting lubricating oil and ensures adequate lubrication for both the centrifugal pump packing and the plunger pump packing.
F04B 23/10 - Combinations of two or more pumps the pumps being of different types at least one pump being of the reciprocating positive-displacement type
E21B 33/13 - Methods or devices for cementing, for plugging holes, crevices, or the like
A fracturing apparatus is provided. The fracturing apparatus includes a plunger pump, a transmission shaft, a main motor, an oil pipe, a first radiator and a noise reduction cabin. The main motor is spaced apart from the plunger pump, the plunger pump is connected with the main motor through the transmission shaft; the oil pipe is configured to be connected with the plunger pump; the first radiator is spaced apart from the plunger pump, the first radiator is configured to dissipate heat from oil in the oil pipe, the main motor, the first radiator and at least part of the oil pipe are all located inside the noise reduction cabin, and the plunger pump is located outside the noise reduction cabin.
The present invention discloses a semi-trailer-loaded turbine fracturing equipment, which adopts a linear connection of the whole equipment and a special chassis design, so that the center of gravity is double lowered to guarantee its stability and safety, the structure is simpler, the investment and operation costs are decreased, the risk of total breakdown of the fracturing site is reduced, and the equipment has a good transmission performance and is suitable for continuous operation conditions with long time and heavy load. The plunger pump is improved in that the distance between the center of rotation of the bellcrank and the center of rotation of the crankshaft is optimized so that the rated input power is increased to 5000-7000 hp, the transmission ratio of the reduction gearbox integrated on the plunger pump is optimized so that the maximum input speed can reach 16000 rpm, the superhigh speed allows the reduction gearbox to be connected directly to the turbine engine to address the problem that the turbine fracturing equipment is decelerated through two reduction gearboxes, thus decreasing the weight of the vehicle and reducing the overall size of the equipment.
F04B 1/053 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the inner ends of the cylinders
F04B 15/02 - Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
F04B 17/05 - Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by internal-combustion engines
8.
Mixing and Discharging Device, Mixing and Discharging System and Fracturing System
A mixing and discharging device, a mixing and discharging system and a fracturing system are provided. The mixing and discharging device comprises a main shell, an impeller structure and a main shaft. The main shell comprises a top cover; the impeller structure is in the main shell; the main shaft is configured to drive the impeller structure to rotate, penetrates through the top cover and extends into the main shell; a bottom end of the main shaft is in the main shell and is fixed on the impeller structure, and the bottom end of the main shaft is separated from the shell.
The present disclosure provides a fracturing device, which comprises: a turbine engine, an output end of the turbine engine rotating along a first rotational direction; a plunger pump, a power input end of the plunger pump rotating along a second rotational direction; and a transmission mechanism, wherein an input end of the transmission mechanism is connected with the output end of the turbine engine, an output end of the transmission mechanism is connected with the power input end, and the transmission mechanism is configured for transmitting a power of the turbine engine to the plunger pump. The fracturing device of the present disclosure solves the problem that the requirements of high torque and low rotational speed of the fracturing device are difficult to meet due to the characteristic of high rotational speed of a turbine engine in the prior art.
A test method and a test device, which are used for testing the inner wall of a pipeline. The test method comprises: controlling a test head (30) to perform a compound motion in an inner hole (11) of a pipeline (10), wherein the compound motion comprises the movement of the test head (30) along the extension direction of the inner hole (11) of the pipeline (10) and the rotation of the test head (30) itself; and controlling the test head (30) to emit a laser beam (50), such that the laser beam (50) is a spiral and the inner wall of the pipeline (10) is tested.
An oil circulation system is configured to supply lubrication oil to a plunger pump. The oil circulation system includes an oil tank, and the oil tank is provided with an electric heater. The oil circulation system further includes: a main circulation circuit. Two ends of the main circulation circuit are configured to respectively communicate with an oil outlet and an oil inlet of the oil tank, and the main circulation circuit is provided with a power member; and an overflow valve, disposed on the main circulation circuit and located on an oil outflow side of the power member.
F16N 7/38 - Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
F16N 29/04 - Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems enabling moving parts to be stopped
F16N 39/04 - Arrangements for conditioning of lubricants in the lubricating system by heating
F16N 39/06 - Arrangements for conditioning of lubricants in the lubricating system by filtration
12.
MOVABLE FRACTURING SKID, FRACTURING WELL SITE, AND MAINTENANCE METHOD FOR FRACTURING SKID
Disclosed is a movable fracturing skid, comprising: a fracturing skid body (100) and a plurality of travelling devices (200), wherein the plurality of travelling devices (200) are distributed at the bottom of the fracturing skid body (100). Each travelling device (200) comprises a mounting frame (210) and a travelling mechanism (230), wherein the mounting frame (210) is connected to the bottom of the fracturing skid body (100); and the travelling mechanism (230) is arranged on the mounting frame (210), and is configured to drive the fracturing skid body (100) to move. Therefore, the inconvenience of transferring fracturing skids caused by existing methods can be eliminated, and the labor force can also be reduced. Further disclosed are a fracturing well site using the movable fracturing skid, and a maintenance method for the fracturing skid in the fracturing well site.
The present invention aims to provide a step-down power supply device, comprising: a first switch cabinet used for receiving an alternating current having a first voltage and controlling connection and disconnection between the first switch cabinet and a power grid; a transformer used for receiving the alternating current from the first switch cabinet, reducing the voltage of the received alternating current to a second voltage, and outputting the second voltage; a second switch cabinet used for receiving the second voltage from the transformer and outputting the second voltage; and a heat sink used for performing centralized heat dissipation on at least two of the first switch cabinet, the transformer and the second switch cabinet, wherein the first voltage is higher than the second voltage. According to the present invention, the size of the step-down power supply device can be reduced while the heat dissipation efficiency is improved.
A method and device for fire extinguishing, relating to the technical field of fire fighting, and used for accurately and automatically extinguishing fire. The method comprises: performing detection on an detection pending area, and determining whether a fire catching site is present in the detection pending area; when it is determined that a fire catching site is present in the detection pending area, determining first coordinates of the fire catching site in a preset first coordinate system; adjusting the angle of a preset fire-fighting monitor according to the first coordinates and second coordinates of the fire-fighting monitor in the first coordinate system, so that the fire-fighting monitor points to the fire catching site; and starting the fire-fighting monitor to extinguish fire at the fire catching site.
A62C 3/06 - Fire prevention, containment or extinguishing specially adapted for particular objects or places of highly inflammable material, e.g. light metals, petroleum products
A62C 37/36 - Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
A transport vehicle and a method for using same. The transport vehicle comprises a chassis trailer (100), a lifting device (200) and a suspension device (300). The chassis trailer has a bearing area (111) and a suspension area (112). The lifting device comprises a lifting driving mechanism (210) and a frame (220); the lifting driving mechanism is connected to the frame and the chassis trailer; the frame is turnably connected to the chassis trailer; the frame has a first state and a second state relative to the chassis trailer; in the first state, the frame is flatly laid in the bearing area, and the frame is used for bearing an equipment body (700); and in the second state, the frame is erected on the chassis trailer, and the equipment body is erected in the suspension area. The suspension device is disposed on the chassis trailer and used for suspending the equipment body from the suspension area and transferring the equipment body to a preset position. The transport vehicle and the method for using same can solve the problems that the current hoisting methods for an exhaust silencer are not beneficial to installation or removal, and safety risks are caused.
B66C 23/42 - Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes specially adapted for use in particular locations or for particular purposes mounted on road or rail vehicles; Manually-movable jib cranes for use in workshops; Floating cranes with jibs of adjustable configuration, e.g. foldable
B66C 23/683 - Jibs foldable or otherwise adjustable in configuration while in use
B66C 23/80 - Supports, e.g. outriggers, for mobile cranes hydraulically actuated
B66F 7/16 - Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks
B66F 7/22 - Lifting frames, e.g. for lifting vehicles; Platform lifts with tiltable platforms
B66F 7/28 - Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
A valve and a valve monitoring method. The valve comprises a valve body (10), first radio-frequency identification modules (20), an opening/closing portion (30), and a second radio-frequency identification module (40). The valve body (10) comprises first mounting positions (11); the first radio-frequency identification modules (20) are arranged at the first mounting positions (11); the opening/closing portion (30) comprises a second mounting position (31); and the opening/closing portion (30) is rotatably assembled on the valve body (10). When the opening/closing portion (30) is rotated relative to the valve body (10) till one first mounting position (11) corresponds to the second mounting position (31), the radio-frequency identification modules (20) are in communication connection with the second radio-frequency identification module (40).
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
F16K 27/06 - Construction of housings; Use of materials therefor of taps or cocks
17.
TRANSPORT VEHICLE AND METHOD OF USING TRANSPORT VEHICLE
The present application discloses a transport vehicle and a method of using it, and refers to the field of transport vehicles. A transport vehicle may comprise: a chassis trailer, a lifting device and a hanging device; wherein the chassis trailer may have a carrying area and a hanging area; the lifting device may comprise a lifting drive mechanism and a frame, the lifting drive mechanism may connect the frame to the chassis trailer, the frame may be flippably connected to the chassis trailer, the frame may have a first state and a second state relative to the chassis trailer, the frame in the first state may be laid flat on the carrying area, the frame may be used to carry an equipment body, the frame in the second state may be erected on the chassis trailer and may cause the equipment body to be erected on the hanging area; the hanging device may be provided at the chassis trailer, for hanging the equipment body from the hanging area and transferring it to a predetermined position. A method of using a transport vehicle, applied to the above-mentioned transport vehicle.
B60P 1/64 - Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading the load supporting or containing element being readily removable
18.
INTEGRATED TYPE STEP-DOWN POWER SUPPLY DEVICE AND WELLSITE POWER SUPPLY SYSTEM
A step-down power supply device includes: a first switch cabinet configured for receiving an alternating current having a first voltage and controlling an on-off switching of a power supply network; a transformer configured for receiving the alternating current from the first switch cabinet, reducing the first voltage of the received alternating current to a second voltage, and outputting the second voltage; a second switch cabinet configured for receiving the second voltage from the transformer, and outputting the second voltage; and a radiator configured for dissipating heat of at least two of the first switch cabinet, the transformer and the second switch cabinet, wherein the first voltage is greater than the second voltage. The present disclosure can reduce the size of the step-down power supply device, while improving the efficiency of heat dissipation.
A flow distributor assembly, a valve box, and a plunger pump. The flow distributor assembly comprises a flow distributor (100), a first valve body (210), a second valve body (220), a first valve rubber seal (310) and a second valve rubber seal (320), wherein the flow distributor (100) is provided with a liquid output hole (110) and a liquid intake hole (120), the liquid output hole (110) being in communication with a first end face and a second end face of the flow distributor (100) facing away from each other in the axial direction of the flow distributor itself, and the liquid intake hole (120) being in communication with a side face and the first end face of the flow distributor (100); the first valve body (210) is configured to plug the liquid intake hole (120); the second valve body (220) is configured to plug the liquid output hole (110); the first valve rubber seal (310) is configured to connect to the first valve body (210) and the first end face in a sealing manner; and the second valve rubber seal (320) is configured to seal the second valve body (220) and the second end face. The flow distributor assembly can be installed in a valve box of a plunger pump, and liquid flows in the axial direction of the flow distributor, such that an alternating cavity, a low-pressure cavity and a high-pressure cavity in the valve box can be distributed in the axial direction of the flow distributor, thereby preventing the stress concentration phenomenon during a liquid flowing process.
The present application provides a frequency conversion skid, comprising a power distribution box (200), a power distribution module being arranged in the power distribution box (200). One or more cable trays (100) are arranged on the power distribution box (200), the cable trays (100) are movably arranged relative to the power distribution box (200), and cables on the cable trays (100) are connected to the power distribution module in the power distribution box (200); at least part of the cable trays (100) is telescopically arranged, and by means of the cable trays (100), the power distribution module is connected to a device to be energized (400). The present application solves the problem in the prior art of low disassembly and assembly efficiency of frequency conversion skids and cable trays in a well site.
A fracturing apparatus may include a first plunger pump including a first power end and a first hydraulic end; a prime mover including a first power output shaft; and a first clutch including a first connection portion and a second connection portion. The first power end of the first plunger pump includes a first power input shaft, the first connection portion is coupled to the first power input shaft, the second connection portion is coupled to the first power output shaft of the prime mover.
F04B 39/00 - Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups
Disclosed is a full-life-cycle management method for coiled tubing. The full life cycle comprises N life cycles, and the management method comprises: establishing a data file for a coiled tubing string to configure various parameters of the coiled tubing, the various parameters comprising the material grade and outer diameter of the coiled tubing string, and the length, wall thickness and weld joint type of each tubing segment; adding a management item of an nth life cycle, and configuring management data corresponding to the management item of the nth life cycle; executing the management item of the nth life cycle to obtain an execution result; checking and evaluating the execution result of the management item of the nth life cycle, and according to the execution result, generating a report regarding the current state of the coiled tubing string; and according to the report regarding the current state of the current coiled tubing string, evaluating the usage state of the coiled tubing string. The management method helps ensure the safety and benefit maximization of the coiled tubing string in oil and gas well field operations; and the invention further discloses a system using the coiled tubing full-life-cycle management method, and a storage medium.
Disclosed is a fault early warning method for a hydraulic system, comprising: according to a preset data acquisition rule, acquiring target data information of at least two target parameters corresponding to a fault diagnosis index in a hydraulic system; according to the acquired target data information, determining a fault diagnosis result corresponding to the fault diagnosis index; and according to the fault diagnosis result, executing a fault early warning operation corresponding to the fault diagnosis index.
Provided is a hydraulic monitoring system, which comprises: an injection pump, an injection head motor and an oil tank, the injection pump being connected to the oil tank, and the injection head motor being connected to the injection pump; a first monitoring system and/or a second monitoring system, the first monitoring system being used for monitoring the operation of the injection pump, and the second monitoring system being used for monitoring the operation of the injection head motor; and a control system, the first monitoring system and/or the second monitoring system each being connected to the control system, allowing the control system to send out corresponding instructions according to signals monitored by the first monitoring system and/or the second monitoring system. The hydraulic monitoring system can facilitate troubleshooting of faults of a hydraulic system.
The present disclosure provides a method and apparatus for determining separate layer operation data of a fracturing device. The method comprises: receiving operation data sent by a target device, screening for operation data satisfying a first preset condition to obtain valid operation data, and sorting valid operation data between a first operation moment and a second operation moment according to corresponding operation moments to obtain a first data set; sorting first data, first gap data and second data according to corresponding operation time periods to form a second data set; determining a third data set at least according to whether the second data in the second data set satisfies a second preset condition and whether the first data in the second data set satisfies a third preset condition; and determining two pieces of corresponding data, having separate layer operation time periods greater than a second preset value, in the third data set as a target separate layer operation data group. The method solves the problem in the related art that separate layer operation data of a device cannot be effectively computed by means of historical operation data of the device.
Provided is a hanging-load test method, comprising: clamping a hanging-load member (300) by means of a clamping apparatus (200); arranging a driving end of a hanging-load driving apparatus (100) opposite the hanging-load member (300) or connecting the driving end of the hanging-load driving apparatus to the hanging-load member (300), and marking the position of the driving end; and applying a first preset driving acting force to the hanging-load member (300) by means of the driving end, and observing the movement of the driving end. Provided is a hanging-load test device, which applies the hanging-load test method. Therefore, at least the problem of failure of the hanging capability of a slip can be solved.
A fracturing apparatus, comprising: a plurality of portions to be heated; a heating system for heating each of the portions to be heated; and an auxiliary power unit, which is configured to at least provide power for a heating operation by the heating system. When the fracturing apparatus operates in a cold area, each of the portions to be heated can be heated by the heating system, so as to ensure the normal start-up and operation effect of the fracturing apparatus.
Disclosed is a hydraulic system, comprising: an oil tank (101), an oil suction pipeline (109), a plurality of hydraulic motors (108), a hydraulic pump (104), and a controller (200). The controller (200) is configured to: obtain a first temperature value of the interior of the oil tank (101) and a first pressure value of the interior of the oil suction pipeline (109) when the hydraulic pump (104) is in a working state; and issue first state information and first prompt information if the first pressure value is less than or equal to a first pressure threshold and the first temperature value is less than a first temperature threshold, wherein the first state information is used for indicating that the first pressure value is abnormal, and the first prompt information is used for prompting, if the first temperature value is less than the first temperature threshold, to perform an operation of restoring the first pressure value to normal. Further disclosed is a fault diagnosis method for the hydraulic system.
A fracturing apparatus, comprising: a plurality of sections to be heated; a heating system, for heating each of said sections; and an auxiliary power device, which is at least configured to provide power for a heating operation performed by the heating system. When the fracturing apparatus operates in a cold area, each of said sections can be heated by means of the heating system, so as to ensure the normal starting and running effects of the fracturing apparatus.
A method and apparatus for determining loss of a manifold device, an electronic device, and a storage medium. The method comprises: acquiring a target wellsite topology diagram of a target wellsite (S101); in the target wellsite topology diagram, determining a target manifold device node, target power device nodes directly or indirectly connected to the target manifold device node, and connection relationships between the target manifold device node and all the target power device nodes (S102); determining operation data, in a target time period, of target power devices indicated by the target power device nodes (S103); and according to the operation data and the connection relationships, obtaining target loss information, in the target time period, of a target manifold device indicated by the target manifold device node (S104).
G06F 30/18 - Network design, e.g. design based on topological or interconnect aspects of utility systems, piping, heating ventilation air conditioning [HVAC] or cabling
31.
COMPREHENSIVE ENERGY MANAGEMENT METHOD AND SYSTEM, WELL SITE BASED ON METHOD, AND WELL SITE CONTROL METHOD
The present invention relates to the technical field of well site energy management, and in particular to a comprehensive energy management system and method for the fields of oil and gas field drilling and oil and gas field stimulation services. An energy apparatus employed in the present application integrates all power energy sources provided on site together, so that an energy-integrated centralized control policy is realized. The purposes of strong load fluctuation resistance, storage at a peak of electrical energy and release at a trough are achieved. A cloud server is used to seamlessly combine the site and local control, so as to implement manual remote operation. The problem of loss caused by shutdown due to the fact that personnel cannot arrive at a site to deal with a fault is solved. Limited resources are reasonably used to the greatest extent.
G06Q 10/06 - Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
H02J 3/00 - Circuit arrangements for ac mains or ac distribution networks
H02J 3/14 - Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
H02J 3/46 - Controlling the sharing of output between the generators, converters, or transformers
A fracturing control method is applied to a fracturing system which comprises multiple fracturing pump sets. The method comprises: firstly, acquiring a total required output; secondly, turning on a first fracturing pump set according to the total required output and the priorities of the multiple fracturing pump sets; thirdly, adjusting an operating parameter of the first fracturing pump set according to an actual output of the first fracturing pump set and an output threshold corresponding to the first fracturing pump set, such that the actual output of the first fracturing pump set is an operating output, the operating output being f1 times the output threshold; and if the operating output of the first fracturing pump set is less than the total required output, turning on a second fracturing pump set, the priority of the second fracturing pump set being lower than the priority of the first fracturing pump set.
The techniques disclosed herein reduce the withstand-voltage requirement on single power cell of a VFD (variable-frequency drive) system, and prevent the VFD system from stopping due to the damage of individual power cell in the VFD system. The VFD system includes: a motor; and a plurality of power cells connected in series for supplying electric power from a power supply facility to the motor after the electric power is subjected to voltage regulation and/or frequency conversion, so as to drive the motor to operate and generate a driving force.
H02P 27/08 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
F04B 17/03 - Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
The present invention may disclose a turbine fracturing equipment, including a transporter, a turbine engine, a reduction gearbox, a transmission mechanism and a plunger pump, wherein an output end of the turbine engine may be connected to one end of the reduction gearbox, the other end of the reduction gearbox may be connected to the plunger pump through a transmission mechanism; the transporter may be used to support the turbine engine, the reduction gearbox, the transmission mechanism and the plunger pump; the transporter may include a chassis provided with a transport section, a bearing section and a lapping section which may be connected in sequence; while the turbine fracturing equipment may be in a working state, the bearing section can contact with the ground, while the turbine fracturing equipment may be in a transport state, the bearing section may not contact with the ground.
Some embodiments of the present disclosure provide a power system and a fracturing device. The power system includes an oil tank, a reduction gearbox and a hydraulic system. The reduction gearbox is provided with a lubricating system, and the lubricating system is communicated with the oil tank. The hydraulic system includes a hydraulic actuating member, and the hydraulic actuating member is communicated with the oil tank.
An operation method of a turbine fracturing device and a turbine fracturing device are provided. The turbine fracturing device includes a turbine engine, a speed reducer, a brake mechanism, and a fracturing pump, the method includes: driving, by the turbine engine, the fracturing pump to perform a fracturing operation through the speed reducer so as to keep the fracturing pump in an operating state, the fracturing pump being configured to suck fluid of a first pressure and discharge fluid of a second pressure, the second pressure being greater than the first pressure; and in response to an idling instruction, the turbine engine entering an idling state and triggering a brake operation so as to keep the fracturing pump in a non-operating state.
A power system, comprising: an oil tank (10); a reduction gearbox (20) having a lubricating system, wherein the lubricating system is in communication with the oil tank (10); and a hydraulic system, comprising a hydraulic actuator, wherein the hydraulic actuator is in communication with the oil tank (10). The power system solves the problems in the prior art of a relatively large occupied space and relatively high costs owing to the hydraulic system and the lubricating system of the reduction gearbox being unrelated to each other. A fracturing apparatus is further comprised.
F15B 13/02 - Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
F16N 7/38 - Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
Some embodiments of the present disclosure provide a power system and a fracturing device. The power system includes an oil tank, a reduction gearbox and a hydraulic system. The reduction gearbox is provided with a lubricating system, and the lubricating system is communicated with the oil tank. The hydraulic system includes a hydraulic actuating member, and the hydraulic actuating member is communicated with the oil tank.
F15B 7/00 - Fluid-pressure actuator systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
F15B 7/06 - Fluid-pressure actuator systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors - Details
39.
FRACTURING SYSTEM AND CONTROL SYSTEM AND METHOD FOR THE FRACTURING SYSTEM
A control system includes: a fracturing control device configured to acquire a target fracturing pressure of a fracturing unit, perform loop control on the fracturing unit by taking the target fracturing pressure as a control target, and set a target sand blending pressure for the sand blending unit; a sand blending control device configured to perform loop control on the sand blending unit by taking the target sand blending pressure as a control target.
The present disclosure relates to a heat radiator and a turbo fracturing unit comprising the same. The heat radiator includes: a cabin; a heat radiation core disposed at the inlet and configured to allow a gas/air to pass therethrough; a gas/air guide device disposed at the outlet and configured to suction the air within the cabin to the outlet; and noise reduction structure disposed within the cabin, which is of a structure progressively converging to the outlet. The heat radiator is configured to enable the gas/air to enter the cabin via the inlet, then sequentially pass through the heat radiation core, a surface of the noise reduction structure and the gas/air guide device, and finally be discharged out of the cabin. The heat radiator according to the present disclosure is a suction-type heat radiator which can regulate the speed of the gas/air guide device based on the temperature of the gas/air at the inlet, thereby avoiding energy waste and unnecessary noise. The smooth curved surface of the noise reduction structure can reduce noise without affecting the gas/air flow.
A valve assembly and a plunger pump. The valve assembly comprises a valve seat (100), a valve body (200), valve rubber (300) and a wear-resistant ring (400), wherein the valve seat (100) is provided with a guide cavity; the valve body (200) comprises a guide claw and an attaching disk, which are fixedly connected to each other, wherein the attaching disk is provided with a mounting groove; the valve rubber (300) is embedded in the mounting groove; and the wear-resistant ring (400) is made of a wear-resistant material, and the wear-resistant ring (400) has a hardness greater than that of the valve seat (100). The valve assembly prolongs the service life of the valve seat.
Provided in the present invention are a device fault detection method based on a baseline data space. The method comprises: determining a working condition parameter, which has a preset correlation with a working condition of a device; according to a fixed-length time period of the working condition parameter of the device, discretizing a set of original data of the acquired working condition parameter of the device, and generating a set of discrete working condition parameters that include a plurality of pieces of fixed-length time period data; according to the set of discrete working condition parameters and acquired signal data of the device in a normal state, constructing a baseline frequency domain data space of the device in a normal state, and setting a fault determination threshold value; and calculating an over-limit difference value assessment index, comparing the over-limit difference value assessment index with the fault determination threshold value, and determining whether the device has a fault. In the present application, a complex working condition is decomposed and discretized, so as to reduce the influence of multiple working conditions on fault feature extraction, fault identification, etc., and a fault is visually responded to by means of an over-limit difference value space, such that related service personnel can understand and grasp fault information and the deterioration degree of the fault more easily
This application discloses a fracturing device, an engine and an exhaust apparatus thereof, which belongs to the field of turbine fracturing technologies. The engine is provided with a first exhaust outlet, and the exhaust apparatus of the engine includes an exhaust muffler, a shroud plate and a cover plate, where the exhaust muffler is provided at a first exhaust outlet, the exhaust muffler is provided with a second exhaust outlet, and the shroud plate is provided at the second exhaust outlet, the shroud plate is movably connected to the exhaust muffler, the shroud plate can move between a first position and a second position relative to the exhaust muffler, and the cover plate is rotationally connected to the exhaust muffler to close or open the second exhaust outlet. In a case that the shroud plate moves to the first position relative to the exhaust muffler and the cover plate opens the second exhaust outlet, the shroud plate and cover plate form a heightening tube. The heightening tube communicates with the second exhaust outlet, and the position of an upper port of the heightening tube is higher than the position of the second exhaust outlet. The engine includes the exhaust apparatus mentioned above, and the fracturing device includes the engine mentioned above. As such, reducing the number of components is facilitated, and the structure is simplified.
The present invention aims to reduce the requirement of a variable-frequency drive system for the withstand voltage of a single power unit, and also aims to avoid the shutdown of the variable-frequency drive system caused by the damage of individual power units in the variable-frequency drive system. A variable-frequency drive system in one embodiment of the present invention comprises: a motor; and a plurality of power units connected in series for subjecting electric power from a power supply facility to voltage regulation and/or frequency conversion and then supplying same to the motor, so as to drive the motor to operate to generate power. A frequency conversion and speed regulation all-in-one machine in one embodiment of the present invention comprises the variable-frequency drive system. A pumping system in one embodiment of the present invention comprises the variable-frequency drive system or the frequency conversion and speed regulation all-in-one machine. A well site arrangement in one embodiment of the present invention comprises the pumping system.
H02P 27/08 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
H02P 25/18 - Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays
H02M 5/458 - Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 7/797 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
H02K 7/18 - Structural association of electric generators with mechanical driving motors, e.g.with turbines
H02J 3/00 - Circuit arrangements for ac mains or ac distribution networks
45.
Turbine Fracturing System, Controlling Method Thereof, Controlling Apparatus and Storage Medium
A turbine fracturing system and a controlling method thereof, a controlling apparatus and a storage medium are provided. The turbine fracturing system includes: N turbine fracturing apparatuses, wherein each of the N turbine fracturing apparatuses comprises a turbine engine, and N is an integer greater than or equal to 2; a fuel gas supply apparatus connected to the N turbine engines, wherein the fuel gas supply apparatus is configured to supply fuel gas and distribute the fuel gas to the N turbine engines as gaseous fuel; and a fuel liquid supply apparatus connected to at least one of the N turbine engines and configured to supply liquid fuel to at least one of the N turbine engines in a case that at least one of a flow rate and a pressure of the fuel gas decreases.
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
F02D 19/06 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
A gas turbine overspeed protection method includes: a power utilization load of a generator is acquired, and a rotating speed value of a gas turbine is acquired; whether the power utilization load suddenly decreases or disappears is judged, and if so, an eddy current retarder is controlled by a controller to simulate the power utilization load to provide a braking torque for the generator; or, whether the rotating speed value exceeds a set speed range is judged, and if so, the gas turbine is controlled by the controller to reduce fuel supply, and a discharge valve of a gas compressor is opened to discharge a high-pressure gas to reduce the power output and the rotating speed of the gas turbine.
The present application discloses an automatic grease injection system and a mining system. The automatic grease injection system comprises a main machine module, a shunting module, and a control module. The main machine module comprises a power device and a grease injection device, and the power device drives the grease injection device so as to output sealing grease. The shunting module comprises a control valve and a connecting pipeline. The connecting pipeline is provided with a grease injection main pipe and a plurality of shunting branch pipes which communicate with one another. The grease injection main pipe is connected to the grease injection device. Each shunting branch pipe is used for being connected to equipment to be subjected to grease injection. By means of the shunting module, the sealing grease outputted by the main machine module selectively communicates with the equipment to be subjected to grease injection. The control module is in signal connection with the main machine module and the shunting module so as to receive state signals of the main machine module and the shunting module and output control signals to the main machine module and the shunting module.
B67D 7/02 - Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants
B67D 7/06 - Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes - Details or accessories
B67D 7/32 - Arrangements of safety or warning devices; Means for preventing unauthorised delivery of liquid
B67D 7/36 - Arrangements of flow- or pressure-control valves
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
F04B 15/02 - Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
48.
PUMPING SYSTEM, WELL SITE LAYOUT, AND CONTROL METHOD FOR PUMPING SYSTEM
A pumping system, comprising an electric drive fracturing device (8) and a multi-power system. The electric drive fracturing device (8) comprises: a plunger pump; main motors (5) for driving the plunger pump; and at least one auxiliary electrical apparatus (6). The multi-power system supplies power to the electric drive fracturing device (8). The multi-power system comprises at least one main power supply and at least one auxiliary power supply. The main power supply supplies power to the main motors (5), and the auxiliary power supply supplies power to the at least one auxiliary electrical apparatus (6). Also provided is a pumping system obtained by replacing the electric drive fracturing device (8) in the described pumping system with an electric drive pumping device or an electric drive well cementation device. In addition, also provided are a well site layout comprising the pumping system and a control method for the pumping system.
E21B 33/13 - Methods or devices for cementing, for plugging holes, crevices, or the like
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
F02B 63/04 - Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
F02C 6/00 - Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
This disclosure generally relates to power generation methods and systems based on gas turbine engines, and particularly to mobile and adaptive power generation systems and methods based on gas turbine engine for supplying mechanical and/or electrical power for fracturing operations at an oil wellsite. Various systems, platforms, components, devices, and methods are provided for flexibly and adaptively configure one of more gas turbines, hydraulic pumps, and electric generators to support both fracturing and electric demands at a well site. The disclosed implementations enable and facilitate a mobile, adaptive, and reconfigurable power system to provide both mechanical and electric power for hydraulic fracturing operation.
A method and apparatus for determining a mechanical device fault, the method comprising: acquiring vibration data, which corresponds to a target test position of a device, and a preset neural network model (S101); inputting the vibration data into the preset neural network model, and acquiring an output result of the preset neural network model (S102); determining a target label included in the output result, wherein the target label is either one of a fault label and a non-fault label (S103); and insofar as the target label is the fault label, determining that a fault has occurred in the target test position, otherwise, determining that no fault has occurred in the target test position (S104). Therefore, the technical problem of there being lack of high-precision detection means for mechanical device faults in the related art is solved.
A fracturing apparatus includes: a plunger pump having a hydraulic end and a power end, wherein the power end comprises a power end oil outlet and at least one power end oil inlet that are coupled to each other; a power end lubricating system, including a lubricating oil tank defining an accommodation space, at least one lubrication pump having a lubrication pump oil inlet and a lubrication pump oil outlet that are coupled to each other, and at least one lubrication motor configured to provide power for the at least one lubrication pump; a temperature detector disposed on any one of the oil return pipeline, the power end oil outlet, and the lubricating oil tank; and a control system connected to the temperature detector and the power end lubricating system and configured to control the power end lubricating system.
F04B 15/02 - Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
An electrically driven fracturing system is provided. The electrically driven fracturing system includes: one or more frequency converter apparatuses; and a plurality of electrically driven fracturing apparatuses configured to pressurize and output fluid. One of the one or more frequency converter apparatuses is connected with multiple ones of the plurality of electrically driven fracturing apparatuses, respectively, and the frequency converter apparatus is configured to adjust pressure and flow rate of fluid output by the multiple electrically driven fracturing apparatuses.
Some embodiments of the disclosure disclose a connecting structure, and a plunger pump device and a generator device. The connecting structure is used for connecting a bottom and a beam body; the beam body comprises a beam body and a wing plate; the connecting structure includes: a connecting body which comprises a first connecting portion and a second connecting portion which are connected with each other, wherein the first connecting portion has a first surface, the second connecting portion has a second surface, the first surface is used for mounting the bottom, and the second surface is used for mounting the beam body; a first angle is formed between the first surface and the second surface, and a wing plate mounting space is formed between the first connecting portion and the second connecting portion.
A valve spring holder, a valve box, and a plunger pump. The valve spring holder includes a body part, a first supporting part, a second supporting part, a spring mounting part, and a limiting groove. The first supporting part is connected to a first end part of the body part. The second supporting part is connected to a second end part of the body part. The spring mounting part is connected to a middle part of the body part. The first supporting part includes a first supporting surface, the second supporting part includes a second supporting surface, the first supporting surface and the second supporting surface are in contact with the valve box, and the limiting groove is located in at least one of the first supporting part and second supporting part, and is exposed to at least one of the first supporting surface and second supporting surface.
A fracturing system includes an energy storage having a battery and a switch, a switch cabinet, a plurality of transformers, a plurality of rectifiers, and a plurality of inverters respectively corresponding to and connected with a plurality of fracturing apparatuses. The switch cabinet is connected with the plurality of transformers. The plurality of transformers are respectively connected with the plurality of rectifiers. Each of the plurality of rectifiers is directly connected with a DC bus and the energy storage. The DC bus is directed connected to the plurality of inverters. The energy storage is directly electrically connected with the DC bus or each of the plurality of inverters. The energy storage is configured to power the plurality of fracturing apparatuses.
G01V 1/42 - Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging using generators in one well and receivers elsewhere or vice-versa
G01V 1/28 - Processing seismic data, e.g. analysis, for interpretation, for correction
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
G01V 99/00 - Subject matter not provided for in other groups of this subclass
56.
MANUFACTURING PROCESS FOR PLUNGER PUMP CASING, PLUNGER PUMP CASING, AND PLUNGER PUMP
A manufacturing process for a plunger pump housing, comprising: quenching and tempering a medium carbon steel casing base (100); machining the quenched and tempered medium carbon steel casing base (100), and machining an inner cavity (110) of the medium carbon steel casing base (100) to a build-up welding size, the build-up welding size being greater than a preset size of the inner cavity (110); build-up welding a duplex stainless steel layer (200) on the side wall of the inner cavity (110); and machining the inner cavity (110) to the preset size. Also provided are a plunger pump casing and a plunger pump. The safety and reliability of the plunger pump are improved.
Disclosed is a turbine fracturing apparatus. The turbine fracturing apparatus includes: a main power assembly and an auxiliary power assembly. The main power assembly includes a first power source and a piston pump connected to the first power source; the first power source outputs power to the piston pump, and the piston pump outputs a first liquid. The auxiliary power assembly includes a second power source, a load sensitive system connected to the second power source, and an auxiliary power device; the second power source outputs power to the load sensitive system, the load sensitive system is connected to the auxiliary power device and outputs a second liquid for the auxiliary power device. The first liquid is different from the second liquid, and the first liquid and the second liquid have certain pressure. The load sensitive system is configured to regulate a pressure of the second liquid in real time according to pressure of the second liquid required by the auxiliary power device.
The present application discloses a gas turbine generator set and mobile power generation equipment. The gas turbine generator set comprises a gas turbine, a generator and an equipment cabin. The gas turbine is arranged in the equipment cabin, the generator is arranged outside the device cabin, and the generator is connected to the gas turbine, which is located in the equipment cabin, and is used for generating power under the driving of the gas turbine. The generator of the gas turbine generator set is arranged outside the equipment cabin, so that the heat dissipation load of the equipment cabin is reduced, and it can thereby be better ensured that the gas turbine in the equipment cabin obtains better heat dissipation, and the operation state of the gas turbine is maintained. Secondly, the difficulty of designing a heat dissipation cooling solution for the gas turbine in the equipment cabin is lower, and a design solution with a better heat dissipation cooling efficiency and effect can be designed, so that a better heat dissipation and cooling effect on the gas turbine is obtained. Finally, the generator can be more conveniently maintained, and, during maintenance, it is not necessary to open or enter the equipment cabin.
Disclosed is a machining jig for a plug valve seat, the machining jig comprising a base (201), a first supporting plate (202), a second supporting plate (203), a first fixing assembly and a second fixing assembly, wherein the first supporting plate (202) is arranged on the base (201) and comprises a first mounting hole (2021), and the first mounting hole (2021) is configured to fix a boss portion of a first valve seat to be machined; the second supporting plate (203) is provided on the base (201) relative to the first supporting plate (202), and comprises a second mounting hole (2031), and the second mounting hole (2031) is configured to fix a boss portion of a second valve seat to be machined; the first mounting hole (2021) is opposite the second mounting hole (2031), and a machining space is formed between the first supporting plate (202) and the second supporting plate (203); and the first fixing assembly and the second fixing assembly are both located in the machining space and are configured to fix the first valve seat and the second valve seat on the first supporting plate (202) and the second supporting plate (203) respectively, so that in the machining space, a recess portion of the first valve seat is opposite a recess portion of the second valve seat.
The present application provides a lubrication system, comprising: at least one first component to be lubricated, wherein an inlet of said first component is connected to a first oil inlet pipe, and an outlet of said first component is connected to a first oil outlet pipe; and at least one second component to be lubricated, wherein an inlet of said second component is connected to a second oil inlet pipe, an outlet of said second component is connected to a second oil outlet pipe, and the working pressure of said first component is different from the working pressure of said second component. The lubrication system of the present application solves the problem in the prior art that a lubrication system cannot accurately and efficiently realize effective lubrication.
A multi-winding-motor driving system includes a motor and a power unit. The motor has multi-branch windings independent from each other. The power unit includes a rectifier unit and a plurality of inverter units, wherein the inverter units correspond to the multi-branch windings of the motor one to one, and each of the inverter units supplies power to corresponding one branch of the multi-branch windings of the motor.
A fracturing apparatus includes a motor, a first plunger pump, a power supply platform, a gas turbine engine, a generator, and one or more rectifiers. At least two of the gas turbine engine, the generator, and the one or more rectifiers are arranged on the power supply platform. A first end of the generator is connected to the gas turbine engine. A second end of the generator is connected to the one or more rectifiers. The generator is configured to output a voltage to the one or more rectifiers. The one or more rectifiers are configured to provide power to the motor. The motor is configured to drive the first plunger pump
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
F04B 17/03 - Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
H02K 7/18 - Structural association of electric generators with mechanical driving motors, e.g.with turbines
H02K 11/04 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for rectification
H02K 11/049 - Rectifiers associated with stationary parts, e.g. stator cores
H02K 11/05 - Rectifiers associated with casings, enclosures or brackets
A fracturing transportation system, which includes a high-low pressure manifold skid, including a plurality of first high-pressure input ends and a first high-pressure output end; a plurality of first high-pressure pipes, arranged in one-to-one correspondence with the first high-pressure input ends, an end of one first high-pressure pipe is directly connected with a corresponding one of the first high-pressure input ends, and another end of the first high-pressure pipe is configured to be directly connected with an output end of a fracturing device; and a second high-pressure pipe, an end of the second high-pressure pipe is directly connected with the first high-pressure output end; the first high-pressure pipe and the second high-pressure pipe are configured to bear a pressure greater than or equal to 100 MPa, and at least one of the first high-pressure pipe and the second high-pressure pipe adopts a high-pressure flexible pipe.
A fracturing system includes a plurality of electrical apparatuses, a plurality of fuel-driven apparatuses and a grounding system. The grounding system includes a first grounding metal wire, a second grounding metal wire, and a first grounding terminal. The first grounding terminal is spaced from each of the electrical apparatus and the electric-power supply apparatus by one or more distances. Each of the plurality of electrical apparatuses is connected to the first grounding metal wire and is connected to the first grounding terminal through the first grounding metal wire. Each of the plurality of fuel-driven apparatuses is connected to the second grounding metal wire and is connected to the first grounding terminal through the second grounding metal wire. The first grounding metal wire and the second grounding metal wire are connected to the first grounding terminal in parallel.
An electric drive pumping system and a driving method thereof, the electric drive pumping system (100) comprising a power generation device (110), at least one energy storage system (120), a pumping device (140) connected to a main motor (130), an auxiliary device (150), and a first transformer (161). The first transformer comprises an input end, a first output end and a second output end. The energy storage system comprises an energy storage unit (122). The power generation device is connected to the energy storage unit, the input end of the first transformer is connected to the energy storage unit, the first output end of the first transformer is electrically connected to the main motor, and the second output end of the first transformer is electrically connected to the auxiliary device. The electric drive pumping system can avoid the problems of shutdown of a main motor and the like caused by power failure of the power generation device, so as to guarantee continuous operation; in addition, under the condition of a variable load, the power generation device can operate efficiently for a long time, so that the fuel economy is improved.
H02J 7/14 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
F04B 17/03 - Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
An electrically-driven fracturing system is disclosed. The system comprises a main power generation device (100), a first auxiliary power generation device (200), a switch device (300), and an electrically-driven fracturing device (400). The switch device comprises a low-voltage switch group (310) and a high-voltage switch group (320); the electrically-driven fracturing device comprises a fracturing motor (420) and a fracturing auxiliary device (410); rated power generation power of the main power generation device is greater than that of the first auxiliary power generation device, and a rated output voltage of the main power generation device is greater than that of the first auxiliary power generation device; the high-voltage switch group comprises an input end and an output end, the low-voltage switch group comprises an input end and an output end, the input end of the high-voltage switch group is connected to the main power generation device, the output end of the high-voltage switch group is connected to the fracturing motor, the input end of the low-voltage switch group is connected to the first auxiliary power generation device, and the output end of the low-voltage switch group is connected to the fracturing auxiliary device. According to the electrically-driven fracturing system, system down caused by power-off or faults of the power generation device can be avoided, power supply safety is improved, and damage to equipment is reduced.
A turbine engine intake gas cooling system and a turbine engine apparatus. A turbine engine is provided with a gas intake end and an exhaust end. The turbine engine intake gas cooling system comprises an intake gas cooling device, which comprises a gas input end and a gas output end, and is configured to cool a working gas inputted from the gas input end, wherein the gas output end is connected to the gas intake end of the turbine engine.
F02C 7/143 - Cooling of plants of fluids in the plant of working fluid before or between the compressor stages
F02C 7/16 - Cooling of plants characterised by cooling medium
F02C 6/18 - Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use using the waste heat of gas-turbine plants outside the plants themselves, e.g. gas-turbine power heat plants
68.
PRESSURE REGULATING SYSTEM AND PRESSURE REGULATING SYSTEM CONTROL METHOD
A pressure regulating system and a pressure regulating system control method. The pressure regulating system comprises a fluid inlet (100) and a fluid outlet (200). The pressure regulating system further comprises: a pressure regulating loop (1), two ends of the pressure regulating loop being respectively communicated with the fluid inlet and the fluid outlet; an automatic valve (2) which is arranged at an inlet end of the pressure regulating loop and is communicated with the pressure regulating loop; a first cut-off valve (3) which is arranged on the pressure regulating loop and is communicated with the pressure regulating loop, an inlet end of the first cut-off valve being communicated with the fluid inlet; and a pressure regulating assembly (4) which is arranged on the pressure regulating loop and is communicated with the pressure regulating loop, the pressure regulating assembly being located at the end of the automatic valve away from the first cut-off valve. The pressure regulating system and the pressure regulating system control method can exert a protective effect on the subsequent pressure regulating assembly, so that a fluid cannot be directly flushed into the pressure regulating assembly and thus cause damage to components, especially a pressure regulating valve in the pressure regulating assembly, thereby prolonging the service life of the pressure regulating valve.
F17D 3/01 - Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
F17D 5/00 - Protection or supervision of installations
F16L 41/03 - Branch units, e.g. made in one piece, welded, riveted comprising junction pieces for four or more pipe members
F16L 41/16 - Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of a wall or to the axis of another pipe the branch pipe comprising fluid cut-off means
69.
DUAL-FUEL POWER SYSTEM AND AIR SUPPLY AND PURGE METHOD THEREFOR
A dual-fuel power system and an air supply and purge method therefor. The dual-fuel power system comprises a plurality of dual-fuel power devices, a first air compressor and a second air compressor. Each of the plurality of dual-fuel power devices comprises a compressed air supply pipeline, a first fuel nozzle and a second fuel nozzle, the compressed air supply pipelines of the plurality of dual-fuel power devices being sequentially connected. The first air compressor comprises a first air storage cylinder, the first air storage cylinder being configured to be connected to the compressed air supply pipeline of any one of the plurality of dual-fuel power devices so as to supply air to the plurality of dual-fuel power devices. The second air compressor comprises a second air storage cylinder, the second air storage cylinder being configured to be connected to the compressed air supply pipeline of any one of the plurality of dual-fuel power devices so as to supply air to the plurality of dual-fuel power devices. Therefore, when air supplied by the first air compressor is insufficient, air can be supplied to the plurality of dual-fuel power devices by means of the second air compressor.
F02C 3/24 - Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products the fuel or oxidant being liquid at standard temperature and pressure
F02C 3/22 - Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products the fuel or oxidant being gaseous at standard temperature and pressure
Disclosed are an auxiliary accumulator and a low-pressure liquid inlet manifold having same. The auxiliary accumulator (50) is provided on a housing (20) provided with a branch channel (21) and a mounting port (22) communicated with each other; the branch channel is communicated with a main pipeline (10); the auxiliary accumulator comprises: an energy storage assembly provided on the housing and located at the mounting port; the energy storage assembly comprises an energy storage structure (30) and an air bag (40) provided in the energy storage structure; the energy storage structure is provided with an energy storage cavity (31) and an air passage portion (32); the air passage portion is communicated with the air bag; the energy storage cavity is communicated with the branch channel by means of the mounting port; air can enter the air bag or be discharged from the air bag by means of the air passage portion, so that the air bag is extended/retracted, and a preset included angle is formed between the extension/retraction direction of the air bag and the extension direction of the branch channel. According to the apparatus, the problem in the prior art that a fracturing device is prone to air suction and sand setting during high-pressure and large-flow operation is effectively solved.
The present disclosure relates to a multi-fuel switch device and method used for a gas turbine and a gas turbine. The device comprises a gas fuel pipeline, a liquid fuel pipeline, a purge fluid first pipeline, a purge fluid second pipeline, a detection unit, a control unit, a first switch unit arranged on the gas fuel pipeline, a second switch unit arranged on the liquid fuel pipeline, a third switch unit arranged on the purge fluid first pipeline, and a fourth switch unit arranged on the purge fluid second pipeline, the purge fluid first pipeline being connected to a first purge point of the gas fuel pipeline, a first detection point being arranged on the gas fuel pipeline at the downstream of the first purge point, the gas fuel pipeline at the downstream of the first detection point being divided into a first branch pipeline and a second branch pipeline, the detection unit being arranged on the first branch pipeline, and the detection unit, the first switch unit and the second switch unit being all electrically connected to the control unit, so that the switching efficiency and the degree of reliability are improved.
A turbine engine gas-inlet cooling system and a turbine engine apparatus are disclosed. The turbine engine includes a gas-inlet end and a gas-outlet end, and the turbine engine gas-inlet cooling system includes a gas-inlet cooling device. The gas-inlet cooling device includes a gas-input end and a gas-output end, and is configured to cool working gas being input from the gas-input end. The gas-output end is connected with the gas-inlet end of the turbine engine.
F02C 6/18 - Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use using the waste heat of gas-turbine plants outside the plants themselves, e.g. gas-turbine power heat plants
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
Disclosed are a sand blockage prediction method and apparatus, and a device and a storage medium. The method comprises: acquiring fracturing construction data in a first period; according to the fracturing construction data in the first period and a first prediction model, determining fracturing construction data in a second period after the first period; and according to the fracturing construction data in the second period and a second prediction model, determining a sand blockage prediction result for the second period. The method is suitable for use during a fracturing operation process to predict whether a sand blockage occurs during the fracturing operation process.
A turbine engine gas-inlet cooling system and a turbine engine apparatus are provided. The turbine engine has a gas-inlet end and a gas-outlet end, and the turbine engine gas-inlet cooling system includes a gas-inlet cooling device, the gas-inlet cooling device includes a gas-input end and a gas-output end, and is configured to cool working gas input from the gas-input end, and the gas-output end is connected with the gas-inlet end of the turbine engine.
An electric drive fracturing system, which includes a main power generation device, a first auxiliary power generation device, a switch device, and an electric drive fracturing device; the electric drive fracturing device includes a fracturing motor and a fracturing auxiliary device; a rated generation power of the main power generation device is greater than that of the first auxiliary power generation device, a rated output voltage of the main power generation device is greater than that of the first auxiliary power generation device, the input end of the high- voltage switch group is connected to the main power generation device, the output end of the high-voltage switch group is connected to the fracturing motor, the input end of the low-voltage switch group is connected to the first auxiliary power generation device, and the output end of the low-voltage switch group is connected to the fracturing auxiliary device.
A motor malfunction monitoring device for monitoring a malfunction of a drive motor, includes: vibration sensors for detecting for one or more components of the drive motor transverse vibration in a direction parallel to a mounting plane of the drive motor and perpendicular to a longitudinal direction of the drive motor or longitudinal vibration in a direction perpendicular to both the mounting plane and the longitudinal direction of the drive motor; a voltage sensor for detecting a voltage of the drive motor or a current sensor for detecting a current of the drive motor; and a data storage storing a database of normal operation spectrums of one of the transverse vibration or the longitudinal vibration during a normal operation of the drive motor, and of one of the voltage or the current during a normal operation of the drive motor.
Disclosed are a fluid end of a plunger pump, a plunger pump, and an oil and gas field fracturing apparatus having same. The fluid end of a plunger pump comprises: a valve box assembly (10), the valve box assembly (10) having a plunger cavity; a plurality of packing assemblies (20), the outer diameter of each packing assembly being matched with the diameter of the plunger cavity, and the inner diameters of the plurality of packing assemblies being different; and a plurality of plungers (30), the outer diameters of the plurality of plungers being different, and the plungers having different outer diameters being respectively matched with the packing assemblies having different inner diameters. When the plunger pump adjusts the output pressure of the fluid end, the problems of complex disassembly and assembly, low efficiency and high cost caused by replacing a plunger and a valve box are solved.
A multi-winding motor driving system of the present invention comprises a motor and a power unit. The motor has a plurality of mutually independent windings. The power unit comprises a rectification unit and a plurality of inversion units. The plurality of inversion units are in one-to-one correspondence with the plurality of windings of the motor in quantity, and each inversion unit supplies power to the corresponding one in the plurality of windings of the motor. The pumping system of the present invention comprises the multi-winding motor driving system and at least one plunger pump. The plunger pump and the multi-winding motor driving system are integrally mounted together, and the plunger pump is driven by the motor. A transmission input shaft of the plunger pump is directly and mechanically connected to a transmission output shaft of the motor or indirectly and mechanically connected by means of a clutch or a coupling. The fracturing device or well site device of the present invention comprises the pumping system, a liquid feeding manifold disposed at one side of the plunger pump, and a discharge manifold disposed at one or two ends of the plunger pump, etc.
H02P 6/08 - Arrangements for controlling the speed or torque of a single motor
H02M 7/5387 - Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
H02M 1/088 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
F04B 49/20 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups by changing the driving speed
E21B 33/13 - Methods or devices for cementing, for plugging holes, crevices, or the like
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
79.
MULTI-WINDING-MOTOR DRIVING SYSTEM, VARIABLE-FREQUENCY ELECTRIC DRIVING SYSTEM, PUMPING SYSTEM, FRACTURING DEVICE AND WELLSITE EQUIPMENT
A multi-winding-motor driving system of the invention comprises a motor and a power unit. The motor has multi-branch windings independent from each other. The power unit includes a rectifying unit and a plurality of inverting units, wherein the number of the plurality of inverting units corresponds to that of the multi-branch windings of the motor one by one, and each of the inverting units supplies power to corresponding one branch of the multi-branch windings of the motor. A pumping system of the invention comprises the multi-winding-motor driving system and at least one plunger pump. The plunger pump is integrally installed together with the multi-winding-motor driving system, and the plunger pump is driven by the motor. A transmission input shaft of the plunger pump and a transmission output shaft of the motor are directly mechanically connected or indirectly mechanically connected through a clutch or a coupler. A fracturing device or a wellsite equipment of the invention comprises the pumping system, a feeding manifold arranged on one side of the plunger pump, and a discharging manifold arranged on one end or two ends of the plunger pump.
H02P 27/06 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
E21B 33/13 - Methods or devices for cementing, for plugging holes, crevices, or the like
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
F04B 17/03 - Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
H02K 3/00 - DYNAMO-ELECTRIC MACHINES - Details of windings
H02M 5/42 - Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
A fracturing control method is applied to a fracturing system including a plurality of fracturing pump sets. The method includes: turning on a first fracturing pump set according to a total required output of the fracturing system and priorities of the plurality of fracturing pump sets; adjusting an operating parameter of the first fracturing pump set according to an actual output of the first fracturing pump set and an output threshold corresponding to the first fracturing pump set, so that the actual output of the first fracturing pump set is f1 times the output threshold; and if the operating output of the first fracturing pump set is less than the total required output, turning on a second fracturing pump set, a priority of the second fracturing pump set being lower than a priority of the first fracturing pump set.
A fracturing and power generation switchable apparatus, a well site, a control method of the well site, a control device, and a storage medium are provided. The fracturing and power generation switchable apparatus includes a power device, a speed transmission device, and a bearing base. The switchable apparatus is configured to switch between a first state and a second state, under the first state, the plunger pump is fixed on the bearing base and is connected with the speed transmission device, and the switchable apparatus is supplied as a fracturing apparatus, and under the second state, the electric generator is fixed on the bearing base and is connected with the speed transmission device, and the switchable apparatus is supplied as a power generation apparatus.
F04B 49/00 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
F04B 23/06 - Combinations of two or more pumps the pumps being all of reciprocating positive-displacement type
82.
MEMBRANE-SEPARATION NITROGEN GENERATION DEVICE AND CONTROL METHOD THEREFOR
A membrane-separation nitrogen generation device and a preparation method therefor. The membrane-separation nitrogen generation device comprises a gas supply apparatus, a pre-treatment apparatus, a nitrogen separation apparatus, a first pipeline, a first valve assembly, a detection apparatus and a control apparatus. The control apparatus is respectively coupled to the detection apparatus and the first valve assembly; and the control apparatus is configured to: receive parameter information, and if it is determined that any piece of the parameter information is greater than a corresponding set value, control the first valve assembly to be in a second state.
C01B 21/04 - Purification or separation of nitrogen
B01D 53/22 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
83.
Hydraulic Fracturing System for Driving a Plunger Pump with a Turbine Engine
The present invention discloses a hydraulic fracturing system for driving a plunger pump with a turbine engine, including a fracturing equipment comprising a turbine engine fueled by natural gas or diesel as a power source, an exhaust system, and a plunger pump; a high-low pressure manifold; a blending equipment adapted to blend a fracturing base fluid; and a sand-mixing equipment adapted to provide the fracturing base fluid and a fracturing proppant to the high-low pressure manifold. A first end of the high-low pressure manifold is connected to the fracturing equipment through a connection pipeline. A second end of the high-low pressure manifold is connected to a wellhead. An exhaust end of the turbine engine is connected to the exhaust system whereas an output driving end of the turbine engine is connected to the plunger pump via a connection device. The connection device comprises at least a reduction gearbox. An input speed of the reduction gearbox matches an output driving speed of the turbine engine, and an input torque of the reduction gearbox matches an output driving torque of the turbine engine. The exhaust system may include a diffuser.
Disclosed in the present application is a cementing apparatus. The cementing apparatus comprises a plunger pump, hydraulic transmission assemblies, a first transfer case, a gearbox and a chassis engine, wherein the hydraulic transmission assemblies are connected between the plunger pump and the first transfer case; the first transfer case is connected between the gearbox and the hydraulic transmission assemblies; the gearbox is connected between the first transfer case and the chassis engine; and the chassis engine is configured to output power, and the power outputted by the chassis engine is transmitted to the plunger pump via the gearbox, the first transfer case and the hydraulic transmission assemblies. In the cementing apparatus of the present application, the plunger pump is driven by the power outputted by the chassis engine, such that a platform engine does not need to be additionally provided on the cementing apparatus, thereby reducing the weight of the cementing apparatus, and also making the output power of the cementing apparatus more suitable for working conditions with low pressure and small amounts of displacement.
The disclosure provides a fuel-consuming power generator-based control method, a control device and a well-site stimulation method are provided. The control device includes: selecting at least one from a plurality of first fuel-consuming power generators to form a generator stack, and distributing fuel for the generator stack. Each first fuel-consuming power generator forming the generator stack is a second fuel-consuming power generator, and distributing fuel for the generator stack includes: distributing fuel with a first fuel usage amount to the generator stack; and distributing the fuel with the first fuel usage amount according to a fuel distribution ratio so as to provide fuel with a corresponding second fuel usage amount to each second fuel-consuming power generator respectively.
An oil extraction system, a blowout prevention device and an oil extraction method. The oil extraction system comprises an oil extraction pump (100), a connecting device (200) and a central pipe (300), wherein the connecting device (200) is connected to the oil extraction pump (100); and the central pipe (300) is connected to the oil extraction pump (100), and is at least partially located in the connecting device (200). The oil extraction system further comprises a blowout prevention device (400), which is located at an oil outlet of the oil extraction pump (100). The blowout prevention device (400) comprises an annular supporting base (410), and a stop ring (430) and connecting rods (420), which are located in the annular supporting base (410), wherein the stop ring (430) is located on the side of an annular supporting face (411) of the annular supporting base (410) facing the oil extraction pump (100), and is spaced apart from the annular supporting face (411), and the stop ring (430) is connected to the annular supporting face (411) by means of the connecting rods (420); and the central pipe (300) passes through a stop ring opening (431) of the stop ring (430) and an opening (4110) of the annular supporting face (411), an inner side of the stop ring (430) is in sealed contact with the central pipe (300), an outer side of the stop ring (430) is in sealed contact with an inner wall of the annular supporting base (410), and an outer side of the annular supporting base (410) is configured to be in sealed contact with at least part of an inner wall of the connecting device (200). The blowout prevention device can prevent a well blowout accident from occurring when the pressure in an oil well where the oil extraction system is located suddenly increases.
Fracturing equipment includes an electric-driven apparatus and an electric-power supply apparatus. The electric-driven apparatus includes at least one motor, at least one lubrication module, and at least one heat dissipation module. The electric-power supply apparatus includes a first electric-power supply and a second electric-power supply, where the at least one motor is powered by the first electric-power supply, and the at least one lubrication module and the at least one heat dissipation module are powered by at least one of the first electric-power supply or the second electric-power supply.
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
F04B 15/02 - Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
F04B 17/03 - Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
F04B 23/02 - Pumping installations or systems having reservoirs
F16N 7/38 - Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
F16N 39/02 - Arrangements for conditioning of lubricants in the lubricating system by cooling
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
Disclosed in the present invention are a drawing device (100) and a drawing system (200). The drawing device (100) comprises a plurality of drawing pieces (10) and a support piece (40). Each drawing piece (10) comprises a first end (101) and a second end (102); the first end (101) is fitted to a bottom end of a valve seat (20); the second end (102) is connected to a driving piece (30); the plurality of drawing pieces (10) are arranged in a pump cavity (201) of the valve seat (20), and the plurality of drawing pieces (10) are arranged at intervals in the circumferential direction of the pump cavity (201); the support piece (40) is provided on the inner sides of the plurality of drawing pieces (10) and stressed to abut against the drawing pieces (10) so as to define a radial displacement between the first end (101) of the drawing piece (10) and the valve seat (20).
B23P 19/04 - Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
89.
GAS TURBINE WASTE HEAT RECOVERY SYSTEM, AND OIL AND GAS EXPLOITATION SYSTEM HAVING SAME
A gas turbine waste heat recovery system (1), and an oil and gas exploitation system having same, relating to the technical field of waste heat recovery. The gas turbine waste heat recovery system (1) comprises: a flue gas waste heat boiler (20), the flue gas waste heat boiler (20) being used to collect flue gas generated by a gas turbine set (10) after power generation, and using the flue gas to produce superheated saturated steam; and a fracturing device (30), the fracturing device (30) being connected to a steam output end (21) of the flue gas waste heat boiler (20), and used to inject the steam into an oil and gas exploitation well (2). In the gas turbine waste heat recovery system (1), supersaturated steam is produced by using flue gas waste heat exhausted after power generation of the gas turbine set (10), the supersaturated steam is injected into the oil and gas exploitation well (2), and flue gas waste heat is recycled, so that energy conservation and emissions reduction are achieved, an energy utilization rate is high, economic benefits can be improved, fuel consumption costs are reduced, and emissions of nitric oxide are also reduced.
F02C 6/18 - Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use using the waste heat of gas-turbine plants outside the plants themselves, e.g. gas-turbine power heat plants
E21B 43/24 - Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
The present application relates to the technical field of petroleum apparatuses. Disclosed is a well washing and paraffin removing vehicle. The disclosed well washing and paraffin removing vehicle comprises a vehicle body, and a water storage tank, a water delivery pump and a heating apparatus arranged on the vehicle body, wherein an outlet of the water storage tank is in communication with an inlet of the water delivery pump by means of a first pipeline, an outlet of the water delivery pump is in communication with an inlet of the heating apparatus by means of a second pipeline, and an outlet of the heating apparatus is a first water injection port. The well washing and paraffin removing vehicle further comprises a third pipeline, wherein a first end opening of the third pipeline is in communication with the second pipeline, a second end opening of the third pipeline is a second water injection port, and the third pipeline is provided with a first switching valve.
The application discloses a speed reducer and a fracturing apparatus, the speed reducer may be used to connect to a turbine engine and comprises a housing, a planet carrier, a connecting flange, a planet shaft, a planet gear, a sun gear, a ring gear, an input shaft and an output shaft; the housing may be connected to the planet carrier, the connecting flange may be connected to the planet carrier and may be used to connect to the turbine engine; the planet shaft may be connected to the planet carrier, the planet gear may be sleeved on the planet shaft, one end of the input shaft may be used to connect to an output end of the turbine engine and the other end of the input shaft may be sleeved with the sun gear which is engaged with the planet gear, the ring gear may be engaged with the planet gear and connected to the output shaft.
The present application provides power generation equipment. The power generation equipment comprises: a housing, which is provided with an air inlet and an air outlet; a partition plate, which is arranged in the housing, wherein an inner cavity of the housing is divided into a first chamber and a second chamber by the partition plate, the partition plate is provided with an air passing part, and the first chamber communicates with the second chamber by means of the air passing part; a power generation assembly, which is arranged in the first chamber, wherein the power generation assembly comprises a generator and a gas turbine, which are connected to each other; a lubricating liquid cooling device, which is arranged in the second chamber; and a fan, which is arranged in the second chamber, with the lubricating liquid cooling device being located between the air inlet and the fan, wherein air entering the air inlet is conveyed into the first chamber through the air passing part, and at least part of the airflow entering the first chamber is blown to the generator. By means of the present application, the problems of the great disassembly and assembly difficulty and the relatively high energy consumption of generator sets in the prior art are effectively solved.
F02B 63/04 - Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
The present application discloses a reduction gearbox and a fracturing device. The reduction gearbox is used for being connected to a turbine engine, and comprises a housing, a planet carrier, a connecting flange, a planetary shaft, a planetary gear, a sun gear, an inner gear ring, an input shaft, and an output shaft; the housing is connected to the planet carrier; the connecting flange is connected to the planet carrier; the connecting flange is used for connecting the turbine engine; the planetary shaft is connected to the planet carrier; the planetary gear is sleeved on the planetary shaft; one end of the input shaft is used for being connected to the output end of the turbine engine, and the sun gear is sleeved on the other end of the input shaft; the sun gear is meshed with the planetary gear; the inner gear ring is meshed with the planetary gear; and moreover, the inner gear ring is connected to the output shaft. The solution can solve the problems that the fracturing device fails to perform high-power operation and brings serious pollution to the environment.
A flexible pipe end portion connection structure is provided. The flexible pipe end portion connection structure includes a flexible pipe body and a joint. The joint includes a first end and a second end opposite to each other and has a channel extending through the joint in a direction from the first end to the second end. An inner sidewall of the first end of the joint has a plurality of first stepped structures, and an inner diameter of a portion of the channel corresponding to the first stepped structure gradually decreases in the direction from the first end to the second end. At least a part of an end of the flexible pipe body is inserted into the first end of the joint to fit with the first stepped structure.
F16L 33/01 - Arrangements for connecting hoses to rigid members; Rigid hose-connectors, i.e. single members engaging both hoses specially adapted for hoses having a multi-layer wall
F16L 33/34 - Arrangements for connecting hoses to rigid members; Rigid hose-connectors, i.e. single members engaging both hoses with bonding obtained by vulcanisation, gluing, melting, or the like
F16L 23/024 - Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
The present application relates to a cable laying device (100). The cable laying device is used for laying a cable, and comprises:
a cable laying part (10) comprising a base section (11) and an extension section (12); a turnover mechanism (20) and a positioning adjustment mechanism (30), wherein,
the base section (11) and the extension section (12) are connected rotatably relative to each other at their longitudinal ends;
the positioning adjustment mechanism (30) is connected to the base section and comprises a rotating assembly (31), wherein the rotating assembly (31) drives the cable laying part to rotate; and
the turnover mechanism (20) connects the extension section (12) and the base section (11), and drives the extension section (12) to turn over relative to the base section (11).
H02G 1/06 - Methods or apparatus specially adapted for installing, maintaining, repairing, or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
F16L 1/032 - Laying or reclaiming pipes on land, e.g. above the ground in the ground the pipes being continuous
E21B 41/00 - Equipment or details not covered by groups
96.
COMBUSTIBLE GAS RECYCLING PROCESSING APPARATUS AND COMBUSTIBLE GAS RECYCLING PROCESSING METHOD
A combustible gas recycling processing apparatus and a combustible gas recycling processing method. The combustible gas recycling processing apparatus comprises a combustible gas collecting device (100) configured to collect and deliver gas at a predetermined flow rate; a gas compressing device (200) configured to compress the gas to a predetermined pressure and discharge the compressed gas; a gas-liquid separating device (300) comprising a condenser and a gas-liquid separator; a membrane separator (400) connected to a gas outlet of the gas-liquid separator and configured to enrich the combustible gas, discharge the enriched combustible gas from a first outlet, and discharge the remaining gas from a second outlet, the gas discharged from the first outlet being re-delivered to the gas compressing device (200) for recycling processing; a first concentration analyzer (500) arranged at the first outlet of the membrane separator (400) to measure a first concentration; and a controller (600) configured to adjust at least one of the predetermined flow rate, the predetermined pressure, and a condensing temperature of the condenser according to the first concentration. Further disclosed is a combustible gas recycling processing method using the combustible gas recycling processing apparatus.
B01D 53/30 - Controlling by gas-analysis apparatus
B01D 53/22 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
F17D 3/01 - Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
C10L 3/00 - Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclasses , ; Liquefied petroleum gas
F17D 1/07 - Arrangements for producing propulsion of gases or vapours by compression
F17D 3/14 - Arrangements for supervising or controlling working operations for eliminating water
97.
COMBUSTIBLE GAS TREATMENT APPARATUS AND COMBUSTIBLE GAS TREATMENT METHOD
A combustible gas treatment apparatus and a combustible gas treatment method. The combustible gas treatment apparatus comprises: a condenser, a gas-liquid separator, a liquid treatment portion, a membrane separator, and a waste gas treatment portion. A condenser outlet is connected to a gas-liquid separator inlet, a gas-liquid separator liquid outlet is connected to the liquid treatment portion, a gas-liquid separator gas outlet is connected to a membrane separator inlet, a first membrane separator outlet is connected to a condenser inlet, a second membrane separator outlet is connected to the waste gas treatment portion, and a first concentration analyzer is connected between the first membrane separator outlet and the condenser inlet; a first controller is connected to the first concentration analyzer, and the first controller is configured to: when the combustible gas concentration measured by the first concentration analyzer is greater than or equal to a first concentration threshold, determine that the membrane separator works normally and cause the gas discharged from the first membrane separator outlet to flow into the condenser. The combustible gas treatment apparatus separates the mixed gas of combustible gas and air by means of gas-liquid two-phase conversion, separately performs treatment, and feeds back information by means of concentration measurement, thereby ensuring that the treatment process is safely and effectively performed.
B01D 53/00 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols
B01D 53/22 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
B01D 53/30 - Controlling by gas-analysis apparatus
98.
High and Low Pressure Manifold Liquid Supply System for Fracturing Units
The present disclosure relates to a high and low pressure manifold fluid supply system for fracturing units, including: a trailer, a high and low pressure manifold arranged on the trailer, a support frame arranged on a platform of the trailer, and a power distribution switch cabinet arranged on the support frame, which is configured to be electrically connected to the electrically-driven fracturing units and configured to distribute electricity to the electrically-driven fracturing units. Through the high and low pressure manifold fluid supply system integrated with electricity supply facilities therein according to the present disclosure, the electrically-driven fracturing units are powered, in this way, the electricity supply and distribution system in the well site can be effectively simplified, the connection distance of the cables can be shorten, and further the time spent on connection can be saved, thereby improving the well site layout efficiency.
Provided in the embodiments of the present invention are a gas turbine overspeed protection method and apparatus, and an electronic device and a readable storage medium. The gas turbine overspeed protection method comprises: acquiring an electric load of a generator that is collected by a sensor, and rotation speed values of a gas turbine and the generator that are monitored by the sensor; determining whether the electric load is suddenly reduced or disappears, and if the electric load is suddenly reduced or disappears, controlling, by means of a controller, an eddy current retarder to simulate the electric load to provide a braking torque for the generator; or determining whether the rotation speed values exceed set speed ranges, and if the set speed ranges are exceeded, controlling, by means of the controller, the gas turbine to reduce the fuel supply, and opening a discharge valve of a gas compressor to discharge high-pressure gas, so as to reduce the power output and the rotation speed of the gas turbine. By means of the technical solution in the embodiments of the present invention, the technical problem of the overspeed of a gas turbine in a gas turbine generator set is effectively solved or alleviated to a certain extent.
A gas treatment apparatus and a method for treating gas using same. The apparatus comprises: a compressor (10), a heat exchanger (20), and a condenser (30); the heat exchanger (20) comprises a first heat exchange inlet (201) and a first heat exchange outlet (202) that are communicated with each other, and a second heat exchange inlet (203) and a second heat exchange outlet (204) that are communicated with each other; an outlet (101) of the compressor (10) is connected to the first heat exchange inlet (201); the first heat exchange outlet (202) is connected to an inlet (301) of the condenser (30); the condenser (30) comprises a first outlet (302); the first outlet (302) of the condenser (30) is connected to the second heat exchange inlet (203); the compressor (10) is configured to pressurize gas; the condenser (30) is configured to cool the gas; the first heat exchange inlet (201) and the first heat exchange outlet (202) form a first passage, and the second heat exchange inlet (203) and the second heat exchange outlet (204) form a second passage; the heat exchanger (20) is configured to physically isolate the gas in the first passage from the gas in the second passage and to exchange heat between the gas in the first passage and the gas in the second passage.
C10G 5/06 - Recovery of liquid hydrocarbon mixtures from gases, e.g. natural gas by cooling or compressing
F25J 3/08 - Separating gaseous impurities from gases or gaseous mixtures
B01D 5/00 - Condensation of vapours; Recovering volatile solvents by condensation
B01D 53/00 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols
