42results about How to "Realize gas-liquid separation" patented technology

A downhole gas-liquid separation device comprises a barrel-shaped body, and a positioning wheel is fixedly installed in the body. A rotatable swirling wheel is installed on the positioning wheel and provided with spiral wheel blades, and the positioning wheel is provided with fluid channels. A lower connector is connected to the body, a diverting joint is arranged at the inner end, located in an inner cavity of the body, of the lower connector, a gas outlet channel is formed in the center of the diverting joint in a coaxial mode, and the outer side of the diverting joint is provided with liquid drainage channels. An interval is formed between the swirling wheel and the diverting joint. The downhole gas-liquid separation device is small in part number, simple in structure and lower in cost; the swirling wheel is driven to rotate when liquid passes through the swirling wheel to enable the liquid to generate centrifugal force and swirlingly flow in the inner cavity in the mode of being attached to the wall, the liquid in gas is gathered to the center, and then the liquid and the gas flow out through the liquid drainage channels formed in the outer side and the gas outlet channel formed in the center respectively, so that gas and liquid separation is achieved; accordingly, the liquid sent to a motor does not contain the gas, damage to the motor is avoided, and the service life of the motor is prolonged.

The invention discloses a gas-liquid separating drum for flue gas dewatering, a dewatering device and a system. A plurality of openings are formed in the wall of the gas-liquid separating drum, liquid drops are thrown to the wall, then transferred to the outer wall of a drum body from the inner wall of the drum body through the openings and separated from gas in flue gas, a flue gas guide device is arranged on the lower portion of the gas-liquid separating drum, the structure of the flue gas guide device is simplified by design of spiral toothed sheets, and running stability of the device is improved. The collected liquid drops are drained by a diversion port in a collecting tank, and liquid is recycled.

The invention discloses a vehicular methanol online reforming system adopting a baffling separation mechanism, wherein an engine is provided with an intake pipe and a vent pipe; a reforming device comprises a reformer, an evaporation section and a baffling separation section; a hydrogen-rich mixed gas valve is connected with a reforming fuel gas outlet and a hydrogen-rich mixed gas ejector througha pipeline; a high-temperature tail gas valve is connected with an evaporation section entrance and the vent pipe through a pipeline; a methanol flow valve is connected with a methanol evaporation pipe entrance and a methanol box through a pipeline; an exit of a waste gas valve for scavenging is connected with a tail gas inlet for scavenging through a pipeline; an entrance of the waste gas valvefor scavenging is communicated with the vent pipe; an ECU is electrically connected with the hydrogen-rich mixed gas valve, the waste gas valve for scavenging, the high-temperature tail gas valve, a tail gas valve for gas supplement, the methanol flow valve and a methanol ejection flow control valve respectively. The vehicular methanol online reforming system adopting a baffling separation mechanism disclosed by the invention achieves aims of realizing vehicular methanol online reforming and splitting methanol fuel into hydrogen-rich combustible gas for a vehicular engine by use of the heat ofhigh-temperature tail gas of the engine and improving the combustion and emission performance of the engine.

The invention provides a heat dissipation device. The device comprises a first cover plate, a second cover plate, a capillary core and a working fluid. The first cover plate and the second cover plateare covered to form a closed accommodating space; the capillary core is arranged on a surface, close to the accommodating space, of the first cover plate; the working fluid is filled in the accommodating space; the capillary core comprises a supporting layer and a capillary structure layer; and the supporting layer comprises a plurality of supporting strips and a plurality of hollow areas formedby arranging the supporting strips in a staggered mode, the capillary structure layer is arranged between the supporting layer and the first cover plate, the capillary structure layer comprises a plurality of microstructures arranged on the supporting strips at intervals, and a gap between every two adjacent microstructures is less than a transverse size of each hollow area. Each hollow area doesnot generate a capillary acting force on the working fluid so that interaction between the liquid working fluid in the capillary core and the gaseous working fluid in the accommodating space is avoided, gas-liquid separation is achieved, and heat dissipation performance of the heat dissipation device is improved.

A method for promoting liquid-phase water discharge from a gas diffusion layer of a fuel cell is provided. The method comprises following steps: at first, an organic material is put in a flow guidinggroove of an electrode plate, a hollow tubular array is grown on the surface of the organic material, and then carbon fibers are arranged between the array layers for filling and hydrophobic treatmentis performed to form a structure in which the hydrophobic hollow tubular array is directly connected with a metal electrode plate flow guide groove, so that the liquid phase water in the gas diffusion layer of the fuel cell can be discharged in a timely manner. The method provided by the invention provides a good liquid flow channel for the gas diffusion layer, thereby effectively suppressing water flooding inside the gas diffusion layer, simultaneously separating gas from liquid in the gas diffusion layer, ensuring the concentration of fuel gas, and ensuring the durability of the gas diffusion layer and even the whole fuel cell.

The invention provides a fluid machine and a heat exchange device with the fluid machine. The fluid machine comprises a rotating shaft, a gas and liquid separation assembly and an air cylinder; the gas and liquid separation assembly is provided with a separation cavity, at least one part of the rotating shaft penetrates into the separation cavity and can rotate relative to the separation cavity, amixed refrigerant enters the separation cavity and is subject to gas and liquid separation under the rotating effect of the rotating shaft, and gas obtained after gas and liquid separation enters theair cylinder. The problems that in the prior art, in the running process of the fluid machine, vibration and noise are large are effectively solved.

The invention belongs to the field of metal heat treatment, and discloses an air cushion furnace gas-liquid quenching spray nozzle structure and a gas-liquid cooperative quenching system. An air floating spray nozzle adopted at present generally only considers the circulation of single-phase gas, and is mainly suitable for a gas quenching area, while the water quantity in a water mist area is large, if the traditional gas quenching spray nozzle is still adopted, the risk that the water mist flows into an air duct along a lower-layer gas nozzle can be caused, after long-term operation, water isprone to accumulating in the air duct so as to accelerate structural corrosion, and if the water accumulation amount is large and the arrangement position of a fan is low, the possibility of water flowing into the fan is further achieved so as to threaten the safety operation of the system. The air cushion furnace gas-liquid quenching spray nozzle structure is improved, and comprises an air inletchamber, a nozzle, and a waterproof cover, a gas-liquid separation cavity and a drainage groove formed in the bottom of the gas-liquid separation cavity different from the traditional air floating spray nozzle, gas circulation can be guaranteed, so that the float of an aluminum plate is achieved, and liquid evaporation cooling is accelerated; and accumulated water can be effectively discharged, so that the operation risk of the gas quenching system is reduced.

The invention relates to a novel all-welding plate shell type heat exchanger. The novel all-welding plate shell type heat exchanger comprises a shell (1), a heat exchange plate pair body (7), a plate pass heat exchange fluid inlet, a plate pass heat exchange fluid outlet, a shell pass heat exchange fluid inlet, a shell pass heat exchange fluid gas phase outlet and a shell pass heat exchange fluid liquid phase outlet, wherein the plate pass heat exchange fluid inlet, the plate pass heat exchange fluid outlet, the shell pass heat exchange fluid inlet, the shell pass heat exchange fluid gas phase outlet and the shell pass heat exchange fluid liquid phase outlet are formed in the shell (1); the heat exchange plate pair body (7) is installed in the shell (1) and formed by heat exchange plate pairs (3), each heat exchange plate pair (3) forms a plate pass cavity by welding a plurality of contacts on two metal plates, and the plate pass cavities allow plate pass heat exchange fluid to circulate therein; shell pass cavities are formed between the heat exchange plate pairs (3) and between the heat exchange plate pairs (3) and the shell (1) and allow shell pass heat exchange fluid to circulate therein; and the heat exchange plate pair body (7) is of one of a cuboid structure, a cylinder structure or a spiral cylinder structure. Compared with the prior art, the novel all-welding lamella heat exchanger has the beneficial effects of being high in heat exchange efficiency, small in land occupation, flexible and changeable in structure, large in heat exchange area, compact in heat exchange system and low in pressure reduction.

The invention provides a compressor, which comprises a compressor machine body consisting of a compressor housing, a motor and a pump body, a filter, a liquid storage pot arranged on one side of the compressor machine body through a bracket and a gas-liquid two-phase flow distribution pipe positioned inside the liquid storage pot; the liquid storage pot is a high pressure resistant sealed container provided with a heat insulation layer on the outer surface, and comprises two external ports which are respectively a refrigerant outflow port and a refrigerant inflow port; the gas-liquid two-phase flow distribution pipe positioned inside the liquid storage pot is a straight pipe with two opened ends, and a gas return hole is formed on the straight pipe; and the liquid storage pot and the gas-liquid two-phase flow distribution pipe positioned inside the liquid storage pot have the functions of storing working mediums, realizing gas-liquid separation of the working mediums, and reasonably distributing the flow-rate ratio of liquid working medium and gas working medium entering the compressor machine body so as to form stable two-phase flow of working mediums in a refrigeration cycle loop.

The invention discloses a gas-liquid multistage separation device for a gas bearing experiment for incoming flow of a pump. The gas-liquid multistage separation device comprises a tank as well as a first-stage separation part, a second-stage separation part and a third-stage separation part which are arranged in the tank, wherein the first-stage separation part is arranged in upper space of an inner chamber of the tank, the second-stage separation part is arranged on the peripheral surface of the inner wall of the tank and connected with the first-stage separation part through a water pipe, and the third-stage separation part is arranged at the bottom of the tank; the first-stage separation part comprises a spiral pipe, spray nozzles and baffle plates; the second-stage separation part comprises an annular chamber, inlet baffle plates, gas-liquid separation plates and an outlet baffle plate; the third-stage separation part comprises a liquid separation plate and a conical diversion pipe which is big end up. The gas-liquid multistage separation device adopts compact mechanism, is high in separation efficiency and can effectively solve the problem about fluid degassing in experiments and engineering.

The invention discloses a treatment system and a treatment method for a fireflooding high tail gas well and relates to the technical field of thickened oil fireflooding oil wells. The treatment systemfor the fireflooding high tail gas well comprises a cyclone gas-liquid separator communicated with an oil extraction wellhead, an air cooler connected with the cyclone gas-liquid separator as well asa desulfurizing tower and a plurality of desulfurizing tanks connected with the air cooler, wherein the cyclone gas-liquid separator is used for reducing the water content of tail gas inputted fromthe oil extraction wellhead; the inlet end of the cyclone gas-liquid separator can be communicated with the outlet end of the air cooler; the plurality of desulfurizing tanks are connected in parallel. According to the application, the problems of effusion and freeze blockage of a tail gas pipeline and failure of a desulfurization agent caused by water logging can be solved; meanwhile, the purification degree of the tail gas is improved.

The invention belongs to the technical field of petrochemical equipment, and relates to a gas-liquid separation device for fluid obtained by extracting crude oil light dydrocarbon through high-pressure gas, which comprises a shell, at least two fluid introduction pipelines, a liquid drainage pipeline and a liquid collector. The shell is provided with a fluid inlet, a gas outlet, a liquid outlet, acondensing medium inlet and a condensing medium outlet. The at least two fluid introduction pipelines and the liquid drainage pipeline are positioned in the shell. All the fluid introduction pipelines are communicated in sequence, the included angle between each fluid introduction pipeline and the horizontal plane is greater than 0 degree and less than or equal to 90 degrees, the lower end of each fluid introduction pipeline is communicated with the upper end of the liquid drainage pipeline, the upper end of a first fluid introduction pipeline in the at least two fluid introduction pipelinesis communicated with the fluid inlet, and the upper end of a last fluid introduction pipeline is communicated with the gas outlet. The lower end of the liquid drainage pipeline, the liquid outlet andthe liquid collector are sequentially communicated. The gas-liquid separation device can quickly realize gas-liquid separation under the condition of high pressure.

The invention relates to the field of oil producing well casing gas recovery, in particular to an oil producing well casing gas recovery device. The device comprises a liquid storage unit, a control unit is arranged on the upper end face of the liquid storage unit, an output unit is arranged at one side of the liquid storage unit, an energy storage unit is arranged at the upper portion of the control unit, and an energy-saving unit is arranged at the upper portion of the energy storage unit. A three-stage settling tank is adopted, gas-liquid separation in casing gas is achieved, a pressure pump is arranged to enable casing gas and liquid in a third collecting tank to have pressure, and higher efficiency is obtained during recycling; a thermoelectric generator and a liquid conveying pipe are arranged, compressed casing gas is converted into electric energy to be stored through a storage battery, external equipment is connected, the use range of the casing gas is widened, and energy conservation and emission reduction are achieved; and a solar panel is adopted to realize environmental protection, and an inverter is arranged to change the electric energy voltage generated by the solar panel and the thermoelectric generator according to requirements, so that the output electric energy obtains a wider application range under the action of the inverter.

The invention relates to the technical field of fuel cell vehicles, in particular to a fuel cell vehicle tail gas and water vapor separation and emission system and a control method thereof. The tailgas and water vapor separation and emission system comprises a fuel cell stack, a tail gas conveying pipe, a water tank, a fuel cell control unit, a first control switch, an exhaust pipe and a drain pipe, one end of the tail gas conveying pipe is communicated with the tail gas output end of the fuel cell stack, and the other end of the tail gas conveying pipe is communicated with a gas inlet of the water tank; the exhaust pipe is communicated with a gas outlet of the water tank, a filter unit is arranged at one end, far away from the water tank, of the exhaust pipe, the filter unit is used forfiltering gas, the drain pipe is communicated with a water outlet of the water tank, and the first control switch is arranged on the drain pipe and used for connecting or disconnecting the drain pipe. Liquid separated by the system is collected in a centralized mode, regular and fixed-point drainage is conducted, and the problem that in the prior art, tail gas is discharged at will, and consequently the road surface environment is affected is solved.

The invention discloses a low-parameter heat recovery system which comprises a main circulation system for generating electricity or doing work and an auxiliary circulation system for acquiring and maintaining low-temperature energy, and low-temperature working medium fluid and external recovered waste heat form a temperature difference by controlling the main circulation system and the auxiliarycirculation system to achieve electricity generating and work doing; the main circulation system includes a liquid storage tank, a working medium pump, a regenerator, a first heat exchanger, a steam turbine and a generator which are connected in sequence; the auxiliary circulation system includes a second heat exchanger connected with the regenerator and further comprises a steam turbine, a liquidstorage tank, a jet heat pump and a regenerator which are connected in sequence, the second heat exchanger is also connected to the jet heat pump, and the regenerator is connected to the liquid storage tank; and both the first heat exchanger and the second heat exchanger are connected to external recovered waste heat. Compared with a conventional heat engine, the main circulation system is assisted by auxiliary circulation, and continuous and stable heat work conversion is changed under the condition that no external cold source is needed for cooling dead steam.

The invention relates to the technical field of medical instruments, and discloses a nipple corrector. The nipple corrector comprises a nipple correction cover and a liquid storage tank; an air-liquid separation device is arranged at a tank opening of the liquid storage tank; the air-liquid separation device comprises a shell, a flexible deformation structure and a flow guide passage; the shell is divided into a first cavity and a second cavity which communicate with each other; the flexible deformation structure is arranged in the first cavity, and a sealing cavity is formed between the flexible deformation structure and the inner wall of the shell; the sealing cavity is communicated with an air extracting pump; the air extracting pump extracts air to enable the flexible deformation structure to be deformed; the flow guide passage is formed in the second cavity; one end of the flow guide passage extends out of the shell and is communicated with the nipple correction cover; and the other end of the flow guide passage is connected and disconnected with the liquid storage tank through a control valve. When the nipple corrector is used for correcting nipples, air-liquid separation is implemented, and liquid is prevented from being pumped into the air extracting pump.