36results about How to "Increase the runner area" patented technology

A refrigerant evaporator includes a tank constituted by a tank portion and a header plate. The tank portion includes refrigerant collecting portions for guiding the refrigerant passed through a first path to the ends of the tank in the right-and-left direction and refrigerant distributing portions for guiding the refrigerant to the tubes forming a second pass. The header plate has refrigerant collecting / distributing space for the tubes. Side tanks are arranged to cover open portions at the ends of the tank in the right-and-left direction, and to spatially connect the flow passages. Separators are provided at portions where the flow passages are to be spatially blocked to constitute a front-and-rear right-and-left cross path. An increased sectional area of flow passages is obtained at the refrigerant flow corner portions relying upon a simple constitution, to decrease the pressure loss on the refrigerant side in the tank and to enhance performance.

The invention relates to a reverse osmosis membrane element which comprises a central pipe, a plurality of water inlet partition nets, a plurality of reverse osmosis membranes and multiple pieces of pure water diversion cloth. The water inlet partition nets, the reverse osmosis membranes and the multiple pieces of pure water diversion cloth are wound around the central pipe. The multiple pieces of pure water diversion cloth are communicated with an inner cavity of the central pipe. A water inlet channel and a water producing channel are formed between every two adjacent reverse osmosis membranes and are arranged in a spaced mode. The water inlet partition nets are located in the water inlet channels. The multiple pieces of pure water diversion cloth are located in the water producing channels. The water inlet partition nets and / or the multiple pieces of pure water diversion cloth are each of a multi-supporting-point structure. The water inlet partition nets and / or the multiple pieces of pure water diversion cloth are each of the multi-supporting-point structure, and therefore load bearing contact points of the reverse osmosis membrane element can be effectively increased, the stress tolerance of the reverse osmosis membrane element is improved, the area of the water inlet channels or the water producing channels is enlarged, and the water producing flow of the reverse osmosis membrane element can be effectively improved.

A refrigerant evaporator includes a tank constituted by a tank portion and a header plate. The tank portion includes refrigerant collecting portions for guiding the refrigerant passed through a first path to the ends of the tank in the right-and-left direction and refrigerant distributing portions for guiding the refrigerant to the tubes forming a second pass. The header plate has refrigerant collecting / distributing space for the tubes. Side tanks are arranged to cover open portions at the ends of the tank in the right-and-left direction, and to spatially connect the flow passages. Separators are provided at portions where the flow passages are to be spatially blocked to constitute a front-and-rear right-and-left cross path. An increased sectional area of flow passages is obtained at the refrigerant flow corner portions relying upon a simple constitution, to decrease the pressure loss on the refrigerant side in the tank and to enhance performance.

The invention discloses a proton exchange membrane fuel cell bipolar plate based on a labyrinth-baffle-plate-structured flow field. The proton exchange membrane fuel cell bipolar plate includes a rectangular gas flow field (1), the reaction gas inlet (11) and the reaction gas outlet (12) of which are located at two ends of one diagonal of the gas flow field (1) in diagonal distribution. A plurality of ridges (13) with the same height and a plurality of baffle plates (15) are distributed in the gas flow field (1). The gas flow field (1) is internally divided by the ridges (13) into to a plurality of flow channels (14) with the same width, and all the baffle plates (15) arranged along the other diagonal of the gas flow field (1) and the ridges (13) located on the diagonal form a flow channel dam along the diagonal. The labyrinth-baffle-plate-structured flow field allows forced convection and water discharge capacity of the reaction gas to be improved, the gas is made to be uniformly distributed, and the electrochemical reaction efficiency of the cell is increased. The electric current density becomes uniform, and the electrochemical performance of the whole fuel cell is improved.

The invention relates to a deep-well oil-extraction external flow-channel direct and reverse circulation freely-throwing jet injector oil production method and a device. The oil production method comprises the following steps of: installing a pump cylinder with an external flow-channel under a well; and installing a direct circulation pump core during the direct circulation and installing a reverse circulation pump core during the reverse circulation, wherein no internal flow channel is formed in the direct circulation pump core and the reverse circulation pump core; during the direct circulation, power liquid absorbs formation liquid into the pump core through the external flow channel on the pump cylinder by a nozzle from the mouth of the well to the direct circulation pump core and after the power liquid is mixed with the formation liquid, the mixed liquid reaches the ground; and during the reverse circulation, the power liquid absorbs the formation liquid into the pump core through the external flow channel on the pump cylinder by the nozzle from the mouth of the well to the reverse circulation pump core and after the power liquid is mixed with the formation liquid, the mixed liquid reaches the ground. The method and the device have the advantages of realizing that the direct and reverse circulation production and liquid power freely throw the pump core, increasing the area of the flow channel because the formation liquid flows to the pump core from the external flow channel of the pump cylinder and increasing the theoretical yield of an oil well.

The invention discloses an active cooling double-spray pipe support plate ejection rocket for a rocket based combined cyclic engine. The active cooling double-spray pipe support plate ejection rocketfor the rocket based combined cyclic engine comprises a support plate ejection rocket body. The support plate ejection rocket body is a sold cuboid and used for longitudinal arrangement in a segregation segment of the engine. A vertical direction combustion chamber is formed in the side, close to a short edge, in the support plate ejection rocket body. Two longitudinal Rafael spray pipes are arranged on the side, close to the other short edge, of the combustion chamber in an up-down spaced manner and communicate with the combustion chamber. In the support plate ejection rocket body, communicating M type cooling channels are formed along one long edge of the support plate ejection rocket body and then surrounding the outer walls of one sides of the Rafael spray pipes and the outer wall of the combustion chamber by one circle in sequence, and then surrounding the outer walls of the other sides of the Rafael spray pipes and the other long edge of the support plate ejection rocket body insuccession. An outer side cooling channel and an inner side cooling channel are formed in the support plate ejection rocket body. Cooling requirements of the inner side wall surface and the outer sidewall surface of the support plate rocket can be met simultaneously, and long-time working of the support plate ejection rocket is achieved.

The invention relates to a fixed bed radial catalytic converter used for a gas-solid flow decrease / enthalpy increase chemical reaction, and concretely relates to a radial catalytic converter comprising a plurality of catalyst beds and having a plurality of flow forms. The radial reactor comprises a reactor housing, a support frame arranged in the reactor housing, a central cylinder positioned above the support frame, outer ring members coaxially arranged between the central cylinder and the reactor housing, and a plurality of inner ring members coaxially arranged between the central cylinder and the outer ring members. The arrangement of the inner ring members divides the catalyst loading channel of a present reactor into at least three parts, the inner side part and the outer side part are used as catalyst loading rooms, and the middle part is used as a reactant flow channel, so the surface area of the catalyst beds is increased, the bed thickness is reduced, side reactions are reduced, the reactor resistance is reduced, and the filling amount of the catalyst is also increased in a case of a same reactor volume, thereby the production and processing capacity is increased in a case of the same reactor volume.

The invention provides a lithium battery module integrated with a liquid cooling function, the lithium battery module comprises a liquid cooling plate and a bottom plate, the bottom plate is horizontally arranged, the liquid cooling plate is vertically arranged and is vertically connected with the bottom plate, and a plurality of cooling liquid flow channels which are arranged in the length direction of the liquid cooling plate and penetrate through the liquid cooling plate are arranged in the liquid cooling plate at intervals; and a plurality of lithium battery monomers which are arranged side by side are arranged on two sides of the bottom plate in the length direction of the liquid cooling plate, and heat-conducting glue is smeared between two sides of the liquid cooling plate and the lithium battery monomers. By arranging the liquid cooling plate and the heat-conducting glue, the cooling liquid is injected into the cooling liquid flow channel during use, so that a heat-conducting path from the single lithium battery to the liquid cooling plate through the heat-conducting glue and then to the cooling liquid is formed, and heat generated during working of the battery is taken away timely and efficiently; and the heat-conducting glue with high bonding strength and good heat-conducting property is used, on one hand, the structural strength of the whole module can be improved, on the other hand, the heat-conducting property is good, the heat resistance of a heat transfer path is reduced, and therefore the cooling efficiency of the liquid cooling system is improved.

The invention discloses a motor-independent cooling loop system and a manufacturing method. The system comprises a servo motor and a cooling loop system; multiple cooling runners are arranged in a motor shell of the servo motor, the cooling runners are connected with an oil inlet and an oil outlet; the cooling loop system comprises a first cooling pipeline, a second cooling pipeline, a first checkvalve, a second check valve, a cooling medium storage tank, a cooling water tank and a fan; the first check valve is arranged on the first cooling pipeline, the second check valve is arranged on thesecond cooling pipeline, the cooling medium storage tank, the first cooling pipeline, the oil inlet of the motor shell, the cooling runners of the motor shell, the oil outlet of the motor shell and the second cooling pipeline are orderly connected end-to-end so as to form a vacuum sealed cycle channel. The system disclosed by the invention adopts the principle of reducing the boiling point of theliquid-state cooling medium in vacuum, is simple in structure, small in space size and low in production cost; a set of cooling loop system can be suitable for the servo motors in different specifications and oil inlet and oil outlet sizes, and the universality is strong.

The invention discloses a stability enhancement device for circumferential air blowing of a tail edge of an axial flow compressor. An air blower is mounted on a tail edge of a blade, and flow direction of jet stream is consistent with the rotation direction of a rotor; the air blower comprises a suction force surface and a pressure surface, and the pressure surface rotates anticlockwise by 1.48 degrees along the axial direction; the bottom of the air blower is mounted on a cartridge receiver at 10% of axial chord length of the downstream part of the tail edge of a blade top of the rotor, an air blower outlet is tangent to the surface of the cartridge receiver of the blade top of the rotor, the circumferential span of the air blower is 1.48 degrees, the axial distance of the air blower is 1.5mm, and an included angle between an air blower outlet and the circumferential direction is 0 degree; and an air blower inlet is communicated with an external air source, and the air blower is in threaded connection with the wall of the cartridge receiver. The air is circumferentially blown to the tail edge of the blade through the air blower, and the countercurrent flow of the tail edge of the blade is inhibited through high-speed fluid, so that the flow area of the axial flow compressor is increased; and a main stream can relatively smoothly flow to the downstream, so that the delayed stall is avoided, the stability margin of the axial flow compressor is increased, and the working efficiency of the axial flow compressor is improved.

The invention provides a manufacturing method and application of a whole-flow-passage double-face-heat-collection rare earth aluminum alloy solar panel. The manufacturing method is characterized in that rare earth aluminum alloy is squeezed to form a whole-flow-passage rare earth aluminum alloy solar panel blank, the surface of the front face of the blank is subjected to chemical processing to form a solar heat collection layer, the surface of the back face of the blank is also subjected to chemical processing to form a solar heat collection layer, or the surface of the front face of the blank is coated with solar energy absorption coating, the surface of the back face of the blank is also coated with solar energy absorption coating, and therefore the whole-flow-passage double-face-heat-collection rare earth aluminum alloy solar panel 1 with the base layer being the whole-flow-passage rare earth aluminum alloy structure layer 1-1 and the front surface layer and the back surface layer being the solar heat collection layers 1-2 is obtained. The application of the whole-flow-passage double-face-heat-collection rare earth aluminum alloy solar panel is a split type whole-flow-passage double-face-heat-collection rare earth aluminum alloy solar water heater. Compared with the prior art, the heat collection and transfer area is substantially increased, heat conduction is quicker and more direct, solar heat collection and transfer efficiency is substantially improved.

The invention discloses an inlet valve integrated with a heating function. The valve comprises a casing, a water inlet and a water outlet are formed in the casing, the casing is provided with a flow channel connecting the water inlet with the water outlet and a valve body member for controlling the on-off of the flow channel, and a heating unit is disposed in the flow channel to heat water flowingthrough the flow channel. The inlet valve is integrated with the heating unit, and an inlet valve and / or an inlet valve do not need to be separately arranged; the inlet valve is fixedly mounted on acontrol panel of the washing machine, occupies small space, and is convenient to install; the inlet valve can directly heat water flows injected into a tub to better dissolve detergents, thereby improving the washing degree of the washing machine for clothes.

The invention discloses a stability enhancement device for circumferential air blowing of a tail edge of an axial flow compressor. An air blower is mounted on a tail edge of a blade, and flow direction of jet stream is consistent with the rotation direction of a rotor; the air blower comprises a suction force surface and a pressure surface, and the pressure surface rotates anticlockwise by 1.48 degrees along the axial direction; the bottom of the air blower is mounted on a cartridge receiver at 10% of axial chord length of the downstream part of the tail edge of a blade top of the rotor, an air blower outlet is tangent to the surface of the cartridge receiver of the blade top of the rotor, the circumferential span of the air blower is 1.48 degrees, the axial distance of the air blower is 1.5mm, and an included angle between an air blower outlet and the circumferential direction is 0 degree; and an air blower inlet is communicated with an external air source, and the air blower is in threaded connection with the wall of the cartridge receiver. The air is circumferentially blown to the tail edge of the blade through the air blower, and the countercurrent flow of the tail edge of the blade is inhibited through high-speed fluid, so that the flow area of the axial flow compressor is increased; and a main stream can relatively smoothly flow to the downstream, so that the delayed stall is avoided, the stability margin of the axial flow compressor is increased, and the working efficiency of the axial flow compressor is improved.

The invention discloses a constant-temperature mineral casting device sleeving a machine tool mold and a manufacturing method thereof. a mold on a machine tool is cooled by utilizing a wave-shaped cooling copper pipe with the diameter of 8-12 mm, the temperature of the die is controlled, the precision change caused by thermal expansion and contraction of the mold is reduced, and the mold can workin a constant-temperature state is guaranteed. The cooling copper pipe is in a wave shape, the cooling effect is better provided, and the temperature of the mold is controlled; the device is unique indesign and novel in concept, and has a very strong application prospect.

The invention relates to a flexible energy gathering cover suitable for a horizontal-axis wind machine. The flexible energy gathering cover comprises flexible skin, a skin support, a hose clamp and astepping motor; the flexible skin covers the circumference of the skin support, an air flow path is arranged inside the flexible skin, the hose clamp is concentrically arranged on the outer side of the flexible skin in a sleeving manner, and adjustment of the hose clamp is driven by the stepping motor. When the natural wind speed is lower than the designed safe wind speed of the wind machine, thehoop diameter of the hose clamp is reduced, the area of the flow path inside the flexible skin is simultaneously reduced until a gap between the tip of an impeller of the wind machine and the inner surface of the flexible skin reaches the minimum set value, the air leakage amount is reduced, the wind pressure is increased, and the starting performance of the wind machine is further improved. Whenthe natural wind speed is higher than the designed safe wind speed of the wind machine, the hoop diameter of the hose hoop is enlarged, so that the area of the flow path inside the flexible skin is simultaneously expanded until the wind speed in the flow path is reduced to be within the safe range, at the time, the wind machine does not need to be braked, sustainable power generation can be carried out, and the power generation amount of the wind machine is further improved.

The invention discloses an SPE (Solid Polymer Electrolyte) electrolysis system used for tritium concentration. The electrolysis system comprises an electrolytic tank system, a tritiated water supply system, a gas-liquid separator, a tritiated water collection system, a hydrogen drying system, an oxygen drying system, a hydrogen collection system, a product oxygen collection and storage tank, a condensation system and a detection and control system. The invention further provides a realization method for the SPE electrolysis system used for tritium concentration. The electrolysis system can meet all process demands of aqueous phase tritium concentration, wherein the processes include a tritiated water circulating concentration process, a hydrogen leakage emergency power-off process, a molecular sieve drying bed continuous treatment process and the like. Meanwhile, due to the tritiated water circulating concentration, the tritiated water concentration can be quantitatively controlled, so that the tritium concentration efficiency is greatly improved and a large amount of tritium-poor hydrogen is obtained.

The present invention makes it possible, in a torque converter, to increase the cross-sectional area of a flow path for hydraulic oil, and also to minimize the occurrence of hydraulic oil, having flowed out from an impeller, being drawn into the impeller. In the torque converter, an impeller core (13) has a first projecting part (132b) that projects axially out from the outlet-side edge (12a) of an impeller blade (12). A turbine core (17) has a second projecting part (172) that projects axially outward from the inlet-side edge (16a) of a turbine blade (16). The second projecting part (172) is positioned on the inner peripheral side of the first projecting part (132b) and extends at least to the distal end of the first projecting part (132b).

The invention discloses a manufacturing method of a parallel water cooling disc assembly of a lithium battery. The manufacturing method comprises the following steps: (1) preparing N aluminum flat pipes; (2) two collecting pipes are prepared, each collecting pipe comprises a composite aluminum pipe, each composite aluminum pipe comprises an inner-layer plate and an outer-layer plate compounded on the outer wall of the inner-layer plate, and the melting point of the outer-layer plate is lower than that of the inner-layer plate; (3) preassembly is conducted, specifically, the two ends of each of N aluminum flat pipes are inserted into the corresponding mounting hole in the corresponding collecting pipe, a brazing filler metal piece is clamped between every two adjacent aluminum flat pipes, and a component assembly is manufactured; and (4) brazing is conducted, specifically, the component assembly is placed in a brazing furnace, brazing is completed, and the parallel water cooling disc assembly is manufactured. According to the parallel flow water-cooling disc assembly manufactured by the invention, the aluminum flat pipe has a flat outer surface, so that the contact area with a lithium battery can be increased, the heat exchange efficiency is improved, the wall thickness of the aluminum flat pipe is relatively thin, heat transfer is facilitated, and the heat exchange efficiency of the parallel flow water-cooling disc assembly is about three times higher than that of a plate type water-cooling plate assembly.

The invention belongs to the technical field of gearbox electromagnetic valves, and discloses a gearbox electromagnetic valve. The gearbox electromagnetic valve comprises a direct-drive electromagnetic head, a direct-push valve element and a valve sleeve; multiple liquid inlet windows and multiple matched liquid outlet windows are formed in the valve sleeve; the direct push valve element comprises a mandrel and multiple sealing discs; the multiple sealing discs are arranged on the mandrel at intervals in the axial direction of the mandrel, and a corresponding flow channel is formed between each two adjacent sealing discs; the valve sleeve is fixed onto the direct-drive electromagnetic head, and a first end of the mandrel is connected with a push rod head of the direct-drive electromagnetic head; and the mandrel and the multiple sealing discs are slidingly embedded in the valve sleeve, and are used for opening and closing the multiple liquid inlet windows and the multiple liquid outlet windows. According to the gearbox electromagnetic valve, under a small valve element stroke condition, the large-flow small-flow-resistance electromagnetic valve can be achieved, the load of an electronic oil pump of a cooling system is reduced, the reliability of parts of the cooling system is improved, and energy conservation and emission reduction are achieved.

The present invention provides a Sulige sidetracking slim hole box 7 brown mudstone section safety crossing method, characterized in that: the specific steps are: Step 1, adjusting the well deviation of the mudstone section from 76°-78° to 68°-70° °; Step 2, select the drilling tool assembly and screw; Step 3, use the rotary table and screw drive to drill through the mudstone section; Step 4, after drilling through, start drilling and change the drill bit, and then continue to run into the drilling tool with double centralizers The combination enters Box 7, 20m above the top of the tan mudstone section, and the pump is turned on for circulation. The drilling fluid first washes away the mud cake between the centralizers to keep the flow channels of the double centralizers unblocked. , stop the pump and continue drilling; step 5, enter the horizontal section, perform a short trip every 150-250m, break the cuttings bed, and increase the displacement when the pump pressure allows. The invention solves the problems of easy collapse of the well wall, accumulation of cuttings, large frictional resistance and serious jamming, and improves the efficiency and safety of the mudstone in the high-inclination well section of the sidetracking slim hole.

The invention relates to a reverse osmosis membrane element, comprising a central pipe, a water inlet spacer, a reverse osmosis membrane and a pure water diversion cloth, the water inlet spacer, the reverse osmosis membrane and the pure water diversion cloth all have multiple layers, Wound on the central pipe, wherein the pure water diversion cloth communicates with the inner cavity of the central pipe; the water inlet flow channel and the water production flow channel are respectively formed between the two adjacent reverse osmosis membranes , the water inlet channel and the water production channel are arranged at intervals, the water inlet spacer is located in the water inlet channel, the pure water diversion cloth is located in the water production channel, and the pure water diversion cloth is a multi-support point structure. In the present invention, the pure water guide cloth has a multi-support point structure, which can effectively increase the pressure-bearing contact points of the reverse osmosis membrane element, improve the pressure resistance of the reverse osmosis membrane element, and increase the flow channel area of ​​pure water at the same time. It can effectively improve the water flux of the membrane element.

The invention provides a coal powder-prevention tubular discharging and extracting pump for pumping liquid in coal bed gas wells, which especially can prevent coal powder from burying pump, blocking the pump and extending the period of pump inspection. The coal powder-prevention tubular discharging and extracting pump comprises a pump cylinder assembly, a plunger assembly, a liquid inlet valve assembly and a fixing device. A hemispherical valve ball enlarges the flow area of a pump valve, improves the speed for well liquid to enter the pump, is beneficial to the discharging of well liquid outof the pump together with the coal powder to prevent the coal powder from blocking the pump; a resetting spring is matched with a positioning pin to reinforce the resetting capacity of the valve ballso that the tubular discharging and extracting pump reduces loss and realizes the purpose of smoothly opening the pump valve under low sinking degree; a coal powder-prevention slot can temporarily contain the coal powder to reduce the abrasion of the coal powder for plungers and pump cylinders; the bottom of the coal powder-prevention slot is provided with jetting holes so that the coal powder ina valve cover is washed by utilizing the well liquid stored in the slot, thereby the discharging and extracting pump realizes the function of self washing to prevent the blockage of the liquid inlet valve from blocking the pump; and a stirrer drives vanes to rotate along with the reciprocating motion of a plunger of the liquid inlet valve to constantly stir the well liquid and deposited coal powder in a sieve tube, thereby preventing coal powder particles from rapidly settling in the sieve tube to result in that the pump is buried by the coal powder.

The invention belongs to the technical field of nuclear fuels, and concretely relates to a welding structure for welding the inner cladding and the end plug of an annular fuel rod. The welding structure includes an inner cladding welding step, a mother tube and an outer cladding welding step, and the three parts form a hollow through tube structure; the step of the inner cladding welding step is an annular protrusion along the inner diameter direction and is used for being welded to the inner cladding of the annular fuel rod; and the step of the outer cladding welding step is an annular projection along the outer diameter direction, and is used for being welded to the outer cladding of the annular fuel rod. A welding point is arranged in the central hole of the annular fuel rod through thesteps of the inner cladding and end plug welding structure, so projections affecting a channel for a coolant to flow in are difficult to form thereby machining is not needed after the completion of welding, and the damage probability of the fuel rod is reduced. The welding structure is suitable for nondestructive test standards of welds in an inner cladding and end plug welding manner, and can ensure the welding quality by radiographic testing and improve the safety of the annular fuel rod.

The invention relates to the field of sea water desalination, and in particular, relates to a submersible self-priming filter head of a miniature desalination machine and a working method of the submersible self-priming filter head. A rotational flow shell, a one-way valve A, a lower inclined baffle, a supporting frame, an upper inclined baffle and a one-way valve B are arranged in the filter headshell from bottom to top; three-stage filtration is carried out through three cavities from bottom to top, and the filtering capacity of the filtering head and the dirt containing effect of the multiple cavities are improved by means of cyclone separation in the first cavity and the inclined plate sedimentation principle in the second cavity and the third cavity respectively. The supporting framecan drive a sealing gasket to move up and down according to the negative pressure condition in the filter head, the blockage probability of the filter head is reduced, meanwhile, the flow channel area is increased, the gravity separation time is prolonged, a complex flow field and a water flow dead zone in the tank body are avoided, and the water-sewage separation efficiency is effectively improved. Main parts in the filter head are of a detachable structure, even if the filter head is blocked, internal parts can be rapidly cleaned by detaching the filter head, and the effect of rapid maintenance is achieved.

The invention provides a vertical type one-way combination valve for a reciprocating type gas-liquid two-phase mixture conveying pump, which mainly comprises a valve body, a valve inlet, a valve outlet, an inlet chamber and an outlet chamber, wherein the valve outlet is arranged at an inner ring of the valve body, the valve inlet is arranged at an outer ring of the valve body, a valve ring is arranged in the inlet chamber, a through hole is arranged in the valve body between the inlet chamber and the outlet chamber, and the valve outlet is provided with a valve plate. In the vertical type one-way combination valve for the reciprocating type gas-liquid two-phase mixture conveying pump, as the valve outlet is arranged at the inner ring of the valve body, and the valve inlet is arranged at the outer ring of the valve body, the flow path area of the valve inlet is increased, and the flow rate of a medium at the valve inlet is decreased, so that energy waste can be reduced, and the suction performance of the pump can be improved; and meanwhile, as a flow dividing hole is arranged in the valve body between the inlet chamber and the outlet chamber, a double-flow path structure is realized, and the flow rate of the medium at the valve inlet is further decreased, so that the opening height of the valve ring can be reduced, a lag angle of closing the valve ring can be reduced, and the pressure loss and the energy waste can be reduced.

The invention discloses an SPE electrolytic cell module with a composite flow field, which is produced by assembling an anode bipolar plate, an anode diffusion layer, an anode catalytic layer, a proton exchange membrane, a cathode catalytic layer, a cathode diffusion layer and a cathode bipolar plate. An anode bipolar plate flow path is etched on a surface, which is connected to the anode diffusion layer, of the anode bipolar plate. A pure water inlet and a water oxygen outlet are disposed in the anode bipolar plate flow path. A cathode bipolar plate flow path is etched on a surface, which is connected to the cathode diffusion layer, of the cathode bipolar plate. A hydrogen gas outlet is disposed in the cathode bipolar plate flow path. Each of the anode bipolar plate flow path and the cathode bipolar plate flow path is composed of a composite flow path which includes not less than five sections in a manner of folded connection from top to bottom successively to form a snake-shaped path. A fluid flows in the snake-shaped path. A cylinder group, which is designed in a dot matrix structure, is disposed at each of a front end and a back end of each section of the flow path. The middle part of each section of the flow path is a parallel flow path ridge. The SPE electrolytic cell module greatly improves pure water diffusion performance and oxygen discharge capability of the anode bipolar plate, is low in pressure drop along the path, has high flow path area and has high work efficiency of a membrane electrode.