A system for operating a flow meter in a fluid pipeline comprises at least one flow conditioner or mixer; at least one flow meter; a pair of pressure sensors or transmitters, to measure a differential pressure of the at least one flow conditioner or mixer; at least one further pressure sensor or transmitter that measures a fluid pressure in the pipeline; and at least one temperature sensor for measuring a fluid temperature in the pipeline. A method for operating the flow meter is also provided.
G01F 25/10 - Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
G01N 9/32 - Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by using flow properties of fluids, e.g. flow through tubes or apertures
2.
PIPE ASSEMBLY WITH STATIC MIXER AND FLOW CONDITIONER
A device to be installed in a pipeline, characterized by at least one static mixer and at least one pre-mixer arranged in a sleeve, wherein said at least one static mixer is characterized by: a body having a plurality of slots through the body, said slots having one or more sides that are angled with respect to an axis passing through a center of the body; a plurality of arms extending from an outer edge of the body towards a center of the body, wherein the plurality of slots comprising at least one concentric ring of slots.
G01F 15/00 - MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME - Details of, or accessories for, apparatus of groups insofar as such details or appliances are not adapted to particular types of such apparatus
F17D 1/20 - Arrangements or systems of devices for influencing or altering dynamic characteristics of the systems, e.g. for damping pulsations caused by opening or closing of valves
A static mixer for mixing fluid flow in a pipeline includes a body having a plurality of slots through the body, the slots being angled with respect to an axis passing through a center of the body. A plurality of arms extends from an outer edge of the body towards a center of the body, each arm having a flat surface on a first side of the body and angled sides along at least a portion thereof extending to a second side of the body. The plurality of slots includes at least one concentric ring of slots.
A pipe assembly for flow measurement characterized by a fluid flow pipe and two or more flow conditioners each having a stepped configuration and disposed in series within the fluid flow pipe in an orientation substantially perpendicular to an axis of the fluid flow pipe.
G01F 15/00 - MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME - Details of, or accessories for, apparatus of groups insofar as such details or appliances are not adapted to particular types of such apparatus
A flow conditioner includes a single disk having a first side and a second side; an outer ring comprising a plurality of holes, wherein the holes extend from the outer ring to the first side of said disk; at least one inner ring recessed from the outer ring, said at least one inner ring comprising a plurality of holes, wherein the holes extend from the at least one inner ring to the first side of said disk; and a central hole recessed from the at least one inner ring. The plurality of holes in the outer ring and in the at least one inner ring provide fluid passages of unequal length from a first side of the flow conditioner to a second side of the flow conditioner.
F15D 1/02 - Influencing the flow of fluids in pipes or conduits
G01F 15/00 - MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME - Details of, or accessories for, apparatus of groups insofar as such details or appliances are not adapted to particular types of such apparatus
A flow conditioner includes a single disk comprising an array of holes; a first set of integral vanes at least partially following a contour or pattern of an outer ring the holes; and a second set of integral vanes at least partially following a contour or pattern of an inner ring the holes. The second set of integral vanes is recessed from the first set of integral vanes in a stepped configuration.
F15D 1/02 - Influencing the flow of fluids in pipes or conduits
F17D 1/17 - Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity by mixing with another liquid
G01F 15/00 - MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME - Details of, or accessories for, apparatus of groups insofar as such details or appliances are not adapted to particular types of such apparatus
A flow conditioner includes a single disk comprising an array of holes and at least one integral vane, for example a plurality of integral vanes. The at least one integral vane is machined out of the same material as the flow conditioner and is not attached to the flow conditioner via a weld connection or adhesive.
F15D 1/02 - Influencing the flow of fluids in pipes or conduits
G01F 15/00 - MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME - Details of, or accessories for, apparatus of groups insofar as such details or appliances are not adapted to particular types of such apparatus
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