The present invention concerns a volumetric compressor (1) that can be used, preferably, for producing equipment and/or a plant for the suction of material in liquid, solid, powder or slurry form. The compressor according to the invention comprises a body (2) defining an operative chamber (5), a suction section (51) and a discharge section (52) of an operating fluid. The compressor further comprises at least two lobe rotors (8A, 8B), the lobes (81A, 81B) of which are housed inside said operative chamber (5), each rotor (8A, 8B) rotating around a corresponding longitudinal rotation axis (101A, 101B). The compressor comprises a first header (6) and a second header (6' ) which delimit on opposite sides the operative chamber (5); each header comprises a bank (61, 61') connected to the body (2) and configured to support the rotors (8A, 8B) and a cover (62, 62' ) connected to the bank (61, 61') so as to define an inner volume (65, 65' ) comprised between the cover (62, 62' ) and the bank (61, 61') and designed to house, in use, a lubricating bath. According to the invention the compressor comprises a generator unit for generating a forced flow of cooling gas and, for at least one of the headers (6, 6' ), the bank (61, 61' ) defines a cooling chamber (70, 70' ) physically separated from the operative chamber (5) and from the inner volume of lubricant. Said chamber (70, 70' ) comprises an inlet (71, 71') and an outlet (72, 72' ) for a cooling gas, where said inlet communicates with the generator unit of the forced flow of said cooling gas.
F01C 21/00 - "MACHINES" OU MACHINES MOTRICES À PISTON ROTATIF OU OSCILLANT - Parties constitutives, détails ou accessoires non couverts dans les groupes
F01C 21/10 - Organes externes coopérant avec des pistons rotatifs; Carcasses d'enveloppes
F04C 18/08 - Pompes à piston rotatif spécialement adaptées pour les fluides compressibles du type à engrènement extérieur, c. à d. avec un engagement des organes coopérants semblable à celui d'engrenages dentés
F04C 18/12 - Pompes à piston rotatif spécialement adaptées pour les fluides compressibles du type à engrènement extérieur, c. à d. avec un engagement des organes coopérants semblable à celui d'engrenages dentés d'un autre type qu'à axe interne
2.
VOLUMETRIC COMPRESSOR WITH LUBRICANT COLLECTION DEVICE
The invention relates to a volumetric compressor (100) including a container (51 ) for collecting the lubricant moved by an oil distribution disc (1 ). The compressor (100) further comprises at least two lubricant distribution channels (52), in which each lubricant distribution channel (52) extends from the collecting container (51 ) so that during operation, the lubricating oil flowing along the channel itself reaches a lubrication opening (82) of a lubrication duct (81 ) for a rolling bearing (90) of a rotor (80', 80"). The lubrication opening (82) is arranged at a lower level with respect to the container (51).
F04C 29/02 - Lubrification; Séparation du lubrifiant
F04C 18/12 - Pompes à piston rotatif spécialement adaptées pour les fluides compressibles du type à engrènement extérieur, c. à d. avec un engagement des organes coopérants semblable à celui d'engrenages dentés d'un autre type qu'à axe interne
3.
FILTERING UNIT FOR WASTE COLLECTING AND TREATING EQUIPMENT, WASTE COLLECTING AND TREATING EQUIPMENT AND PROCESS FOR COLLECTING AND TREATING WASTE
The present invention relates to a filtering unit (1) for separating and filtering water contained in sludge waste. The filtering unit (1) is insertable within a tank (2) defining at least one collection compartment (200) of said sludge waste. The filtering unit (1) comprises a first filtering module (21) and a second filtering module (22) for filtering said water. The filtering unit (1) further comprises a circulation line (70) for transferring the water filtered by the first module (21) to the second module (22), and a collection line (80, 80A) to collect and convey the part of water also filtered by said second module (22). The filtering unit (1) further comprises a supporting frame (12) which supports the modules (21, 22). Such a frame (12) is either partially or completely insertable into the compartment (200) of the tank (2) through a manhole (114). Finally, the filtering unit (1) comprises connection means configured to form a connection between the frame (12) and the tank (2) so that said filtering modules (21, 22) are completely arranged within said compartment (200) upon such a connection.
C02F 11/12 - Traitement des boues d'égout; Dispositifs à cet effet par déshydratation, séchage ou épaississement
B01D 33/067 - Structure des tambours filtrants, p.ex. dispositions pour le montage ou pour l'étanchéité
B01D 33/073 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration à surfaces filtrantes rotatives cylindriques, p.ex. tambours creux agencés pour la filtration à courant dirigé vers l'intérieur
The present invention relates to a flame-arrestor device of the two-way type, comprising a body (10) which includes a cavity (12) longitudinally extending along a longitudinal axis (Y). The body further comprises a first opening (15) for the passage of a fluid (air) from or to said cavity (12) and a second opening (16) for the passage of the fluid (air) from or to said cavity (12). The device further comprises a flame-arrestor cartridge (20) accommodated in the cavity (12) so as to intercept the flow of fluid between the first opening (15) and the second opening (16). Such a flame-arrestor cartridge (20) includes a plurality of laminar elements (21 ) mutually spaced apart along the longitudinal axis (Y) so as to define at least one channel (25) for the passage for said fluid between two adjacent laminar elements (21 ) of said plurality of laminar elements (21 ). Such a channel is configured so that the flow of said fluid develops from or to said longitudinal axis.
Volumetric compressor (1) for collection and/or treatment equipment of material in liquid, solid, dusty or muddy form. The compressor (1) comprises an operative chamber (50), defining a suction section and an exhaust section of a first fluid, a first header (61) and a second header (62), which delimit said chamber (50) on opposite parts along a longitudinal axis (101). The compressor further comprises at least two rotors (80', 80") with lobes (81', 81 ") housed in the chamber (50), each rotor (80', 80") rotating about a rotation axis (108', 108") substantially parallel to said longitudinal axis (101). The lobes of each rotor develop according to a helical profile. Furthermore, each of the headers (61,62) defines at least one injection opening (71', 71 ",72',72") communicating with a feeding device (150) of a second fluid.
F04C 18/12 - Pompes à piston rotatif spécialement adaptées pour les fluides compressibles du type à engrènement extérieur, c. à d. avec un engagement des organes coopérants semblable à celui d'engrenages dentés d'un autre type qu'à axe interne
F04C 29/00 - "MACHINES" À LIQUIDES À DÉPLACEMENT POSITIF, À PISTON ROTATIF OU OSCILLANT; POMPES À DÉPLACEMENT POSITIF, À PISTON ROTATIF OU OSCILLANT - Parties constitutives, détails ou accessoires de pompes ou d'installations de pompage spécialement adaptées pour les fluides compressibles non couverts dans les groupes
F01C 21/10 - Organes externes coopérant avec des pistons rotatifs; Carcasses d'enveloppes
6.
APPARATUS AND METHOD FOR RECYCLING WATER FROM SLURRY, IN PARTICULAR FOR SERVICE VEHICLES FOR CLEANING SUMPS OF DRAINAGE PIPES
The present invention relates to an apparatus and method for recycling water from slurry sucked by drainage pipes, sumps and the like, of a movable installation, in particular adapted to be installed on service vehicles for cleaning and restoring the functionality of the sumps of drainage pipes and the like. In particular, the apparatus and therefore the method according to the present invention is characterized in that it comprises means for introducing a flocculating element into the apparatus and means for selectively controlling the reintroduction of the recycled water into the tanks of the apparatus cistern, and in that said means are controlled according to the turbidity value measured by one or more sensors (6, 7) for measuring the turbidity value of the recycled water.
A mobile system, in particular for a vehicle, for cleaning and purging drains, wells, and the like, comprising: a sludge-collection tank (2); and a recycling line (7), which connects said sludge-collection tank to a separator (9); said system being characterized in that it comprises means (12, 13, 17, 18) for introduction of a flocculant in said line upstream of said separator. A vehicle equipped with said system, and a method of operation of said system.
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