308 results about "Hydrogen compressor" patented technology

The invention belongs to the field of hydrogen filling, and relates to an automatic hydrogen filling system for a hydrogenation mother station, which comprises a hydrogen purification device, a plurality of hydrogen compressors, a plurality of filling main pipes, a plurality of branch pipelines, a plurality of emptying pipelines, a plurality of filling hoses and a control system, an outlet of each hydrogen compressor is connected with a compressor outlet pressure gauge and a check valve, each branch pipeline is provided with a branch stop valve, and each emptying pipeline is provided with an emptying adjusting valve. And the control system is in signal connection with the compressor outlet pressure gauge, the branch stop valve, the emptying regulating valve and a long pipe vehicle pressure gauge arranged on the long pipe vehicle, and is used for automatically executing the actions of boosting, depressurizing, filling and stopping filling according to the pressure difference. Compressor pressure, filling header pipe pressure and long pipe vehicle pressure cooperate with one another, full automation and full flow of filling boosting and depressurization are achieved, and the working efficiency is improved.

The utility model provides a compound device for providing feed gas for preparing green ammonia from new energy and a green ammonia synthesis system. The composite device comprises a deep cooling air separation nitrogen generation subsystem, a hydrogen supply subsystem and a main heat exchanger, and the hydrogen supply subsystem comprises a water electrolysis hydrogen generation unit, a first hydrogen compressor, a second hydrogen compressor, a hydrogen storage tank and a hydrogen conveying pipeline. The hydrogen conveying pipeline comprises a first hydrogen conveying pipeline, a second hydrogen conveying pipeline and a third hydrogen conveying pipeline; the main heat exchanger is a multi-channel heat exchanger and comprises a first flowing channel used for flowing of a first medium and a second flowing channel used for flowing of a second medium, the second hydrogen compressor is connected with the hydrogen storage tank through the first flowing channel, and the hydrogen storage tank is connected with the third hydrogen conveying pipeline through the second flowing channel. The composite device provided by the utility model can ensure the supply stability of the raw material hydrogen of the ammonia production subsystem, and solves the technical problem that the hydrogen supply is unstable in the existing green ammonia synthesis process.

The utility model discloses an oxyhydrogen flame welding and cutting device, which relates to the field of oxyhydrogen flame welding and cutting, and comprises a shell, an oxygen compression bottle and a hydrogen compression bottle are respectively arranged at the lower part in the shell, a partition plate is arranged in the shell, and a conveying pipe is arranged at the bottom of the partition plate. By arranging the dismounting assembly, when the oxygen compression bottle or the hydrogen compression bottle needs to be replaced, the threaded rod can be rotated to move upwards and drive the movable ring to move upwards, the movable ring drives the movable barrel to move upwards, and after the movable barrel is moved out of the air outlet pipe, a worker can take the oxygen compression bottle or the hydrogen compression bottle out of the shell; a new oxygen compression bottle and a new hydrogen compression bottle are placed in the shell, then the threaded rod is rotated in the reverse direction, the movable ring moves downwards, the movable barrel is inserted into the gas outlet pipe, and therefore the oxygen pipe or the hydrogen pipe can be connected with the gas outlet pipe, and the oxygen compression bottle or the hydrogen compression bottle can be rapidly disassembled and assembled in the mode.

The invention discloses a piston type hydrogen compressor cylinder body, a cylinder body assembly and a hydrogen compressor, and relates to the technical field of hydrogen compressors, the cylinder body assembly and the hydrogen compressor both comprise the cylinder body, the cylinder body comprises a cylinder barrel, the cylinder barrel is provided with a cylinder cover and a piston rod seat, and a cylinder sleeve is lined in the cylinder barrel; the inner end of the cylinder cover extends into the cylinder sleeve and provides radial support for the cylinder sleeve, one end of the cylinder sleeve is supported on the piston rod seat, and the other end of the cylinder sleeve is provided with a sealing assembly. The sealing assembly comprises a main sealing ring and a spring which are arranged in a cavity gap between the cylinder barrel and the cylinder cover, the main sealing ring serves as an axial sealing piece in the cavity gap and is attached to the end of the cylinder sleeve, and the spring is arranged on the side, away from the cylinder sleeve, of the main sealing ring and serves as an elastic supporting structure for supporting the main sealing ring. The direction of supporting force of the spring to the main sealing ring is in the axis direction of the cylinder barrel. The structural design adopted by the scheme is beneficial to guaranteeing the reliability of the hydrogen compressor.

The present invention provides a method for generating a flying car energy and thermal management coupling system strategy. The method comprises: S101, modeling the fuel cell subsystem, lithium battery subsystem, fuel cell hydrogen compressor, and cooling subsystem of a hydrogen-fueled hybrid flying car; S102, establishing a hydrogen-fueled flying car energy and thermal management system coupling model based on the models of the fuel cell subsystem, lithium battery subsystem, fuel cell hydrogen compressor, and cooling subsystem; and S103, solving the hydrogen-fueled flying car energy and thermal management system coupling model using a PPO algorithm. By coupling the energy and thermal management systems, the present invention dynamically adjusts the operating parameters of the hydrogen fuel cell to adapt to real-time environmental changes and operational requirements, thereby improving energy utilization efficiency. Furthermore, by optimizing heat dissipation and heat dissipation, the system's service life is extended.

The invention relates to the technical field of hydrogen energy storage and transportation, and discloses a hydrogen storage system convenient for hydrogen charging and discharging regulation, comprising: a gas input module comprising a gas discharging column unit, a buffer tank and a connecting unit, the gas discharging column unit being connected with a tube bundle vehicle by using a ferrule type quick joint, a compression module comprising a first hydrogen compressor unit and a second hydrogen compressor unit, the second hydrogen compressor unit adopts a water-cooling diaphragm structure, the hydrogen storage module comprises a first hydrogen storage bottle group unit and a second hydrogen storage bottle group unit, and the second hydrogen storage bottle group unit is divided into three-stage storage, a gas distribution and control module, a safety guarantee module, a monitoring module and an auxiliary module. Through a gas discharging column double-path parallel interface of the gas input module and the temperature compensation type pressure gauge, and in combination with a check valve and a rupture disk of the buffer tank, the damage of high-pressure impact to equipment is avoided, so that the equipment is prevented from being damaged by the high-pressure impact, and the service life of the equipment is further prolonged.

The invention discloses a hydrogen compressor test device and a test method.The test device comprises a gas storage bottle set, two inlet buffer tanks, two testers, two outlet buffer tanks and a back pressure valve which are sequentially communicated through pipelines, and the inlet buffer tanks and the testers are connected in parallel; outlets of the back pressure valves are communicated to the two groups of inlet buffer tanks, and the two groups of back pressure valves are arranged in parallel; the pipe diameters of the inlet pipelines and the outlet pipelines corresponding to the inlets and the outlets of the two groups of testing machines are different, so that the displacement is controlled according to the pressure. The system has the characteristics of wide working condition, high pressure, large discharge capacity, automatic control and gas recovery, can monitor performance parameters such as temperature, pressure, discharge capacity and the like in a platform operation process in real time, meets the requirements of various hydrogen energy compressor type tests, predelivery tests and scientific research tests, and provides support for design, simulation and performance evaluation of a unit.

The invention discloses a volume type hydrogen compressor cylinder body structure and a hydrogen compressor system, and belongs to the technical field of compressors, the compressor system comprises the cylinder body structure, the cylinder body structure comprises a cylinder body, piston assemblies and a piston rod, and the piston assemblies comprise the first piston assembly and the second piston assembly; each of the first piston assembly and the second piston assembly comprises a piston ring and a guide ring; an air guide hole is formed in the piston rod, an annular groove is formed between the first piston assembly and the second piston assembly, and one end of the air guide hole communicates with the annular groove; the pressure sampling device further comprises a pressure sampling cylinder, a cavity is formed in the pressure sampling cylinder, and when the piston assembly is in the gas compression stroke, the other end of the gas guide hole is communicated with the cavity. And the pressure sensor is used for measuring the pressure in the cavity. According to the structural design provided by the scheme, online monitoring of the sealing condition of the piston assembly and the air cylinder wall can be achieved, and compared with technologies based on vibration monitoring, sound wave monitoring and the like, adverse effects of the data extraction and analysis process on the monitoring result can be avoided.

The invention belongs to the technical field of hydrogen compressor monitoring, and particularly relates to a hydrogen compressor state monitoring method based on vibration parameters. The monitoring method comprises the following steps: for any vibration parameter of the hydrogen compressor, acquiring vibration data of a current sliding window according to window parameters of the current sliding window to calculate statistical data and a vibration feature vector of the current sliding window; the window parameters, the vibration data, the statistical data and the vibration feature vectors of the current sliding window jointly form current sliding window information; according to the sliding window information of each vibration parameter between adjacent monitoring moments and the exhaust pressure at the current monitoring moment, each clustering algorithm outputs a cluster result at the current monitoring moment; calculating the weight coefficient of each clustering algorithm at the current monitoring moment; and the clustering algorithm weight coefficients corresponding to the same cluster results are accumulated to serve as scores of the corresponding cluster results, and then the cluster result with the highest score serves as the running state of the hydrogen compressor at the current monitoring moment. According to the invention, the accuracy of monitoring the running state of the hydrogen compressor can be improved based on the vibration parameters.

The invention discloses a quick energy-saving starting device for an electrolytic bath, which comprises a water electrolysis hydrogen production subsystem and a circulating hot water station heat pump subsystem, the hydrogen production subsystem comprises an electrolytic bath, an oxygen gas-liquid separator, a hydrogen gas-liquid separator, an oxygen multi-channel alkali liquor heat exchanger, a hydrogen multi-channel alkali liquor heat exchanger, an oxygen alkali liquor circulating pump and a hydrogen alkali liquor circulating pump, and the heat pump subsystem comprises a circulating hot water station, a hydrogen compressor, an oxygen compressor, a hydrogen cooler and an oxygen cooler. The oxygen multi-channel alkali liquor heat exchanger and the hydrogen multi-channel alkali liquor heat exchanger are provided with circulating water channels, hot water channels and alkali liquor channels, cooling and heating functions are integrated, when the electrolytic bath operates, hot alkali liquor is cooled through circulating water, and when the electrolytic bath is in a standby state, the hot alkali liquor is cooled through hot water. The waste heat of the electrolytic bath system is used for maintaining the temperature of the cold alkali liquor so as to ensure quick start of the electrolytic bath. The power consumption in the starting process of the electrolytic cell is reduced, the operation cost is reduced, and the starting time of the electrolytic cell is shortened.

The invention relates to a hydrogen compressor packing sealing test system which comprises a base and a fixed table fixedly arranged on the base, a pushing assembly is arranged in the middle of the fixed table, a plurality of bearing assemblies are arranged on the fixed table, each bearing assembly comprises a carrier used for bearing a sealing packing piece, and a hydrogen cylinder is arranged on each carrier. A pull rod is slidably arranged in the hydrogen cylinder and the sealing packing piece, a testing assembly is arranged on the carrier, the pushing assembly is used for extruding hydrogen in the hydrogen cylinder in the process of driving the pull rod to slide in a reciprocating mode, the testing assembly tests the sealing performance of the sealing packing piece through hydrogen leakage, and the packing sealing piece can meet the installation requirement before installation. And the leakage condition is prevented.

An offshore hydrogen production platform hydrogen production equipment cooling system comprises a gas-liquid treater, a hydrogen purification device, a chilled water machine, a hydrogen compressor and a hydrogenation machine, an inlet of the gas-liquid treater is connected with an electrolytic bath, and an outlet of the gas-liquid treater is sequentially connected with a hydrogen passivation device, the hydrogen compressor, a buffer gas tank, the hydrogen compressor, a hydrogen storage tank and the hydrogenation machine. The hydrogen adding machine is communicated with the hydrogen-powered ship and provides hydrogen for the hydrogen-powered ship, and the refrigerating unit is connected with the hydrogen passivating device through a pipeline to form a circulating pipeline. Aiming at the characteristics of offshore and shallow sea areas and a fixed hydrogen production platform, when hydrogen production equipment is cooled, required fresh water is provided through cooling of the air cooling radiator arranged on the main deck of the platform, so that the situation that seawater with poor cleanliness in the offshore and shallow sea areas flows through a plate heat exchanger to cool the fresh water to be provided is avoided; the cooling efficiency is improved.

The invention relates to a comprehensive hydrogen supply system based on a 45MPa compressor and a control method.The hydrogen supply system comprises a hydrogen long pipe trailer, the hydrogen compressor, a low-pressure hydrogen storage tank, a medium-pressure hydrogen storage tank, a high-pressure hydrogen storage tank and a hydrogen adding machine, and the hydrogen compressor is connected with the hydrogen long pipe trailer through a hydrogen discharging pipeline; the hydrogen discharging pipeline is provided with a first hydrogen discharging pneumatic valve and a second hydrogen discharging pneumatic valve, the second hydrogen discharging pneumatic valve is connected with a third hydrogen discharging pneumatic valve in parallel, the third hydrogen discharging pneumatic valve is connected with a pressure regulating valve in series, and the hydrogen compressor is correspondingly connected with a low-pressure hydrogen storage tank, a medium-pressure hydrogen storage tank and a high-pressure hydrogen storage tank through a low-pressure hydrogen storage pipeline, a medium-pressure hydrogen storage pipeline and a high-pressure hydrogen storage pipeline. The hydrogenation machine is correspondingly connected with the low-pressure hydrogen storage pipeline, the medium-pressure hydrogen storage pipeline and the high-pressure hydrogen storage pipeline through the low-pressure hydrogenation pipeline, the medium-pressure hydrogenation pipeline and the high-pressure hydrogenation pipeline, the hydrogenation machine is connected with a hydrogenation gun through a hydrogenation hose, and the hydrogen storage system has the advantages of being simple in structure, high in functionality and good in adaptability; the control method has the advantages of being simple in process, stable and reliable.

The invention relates to a hydrogen liquefaction method and system, and the method comprises the steps: enabling a hydrogen raw material to enter a heat exchanger group for cooling after the hydrogen raw material is boosted to a higher pressure; and the obtained cryogenic hydrogen is subjected to two times of expansion refrigeration through a throttling valve and an expansion machine, and then the obtained extremely cold hydrogen is subjected to heat exchange with the pressurized hydrogen through the heat exchanger set and then returns to the hydrogen compressor. By adopting the method disclosed by the invention, on one hand, the yield of circulating hydrogen can be increased under the condition of ensuring that the gas-liquid mixed hydrogen has a relatively high liquefaction component, so that the yield of extremely cold hydrogen serving as a cooling medium can be increased; and on the other hand, the extremely cold hydrogen is adopted for heat exchange, the heat exchange effect of the heat exchanger set can be improved, and then heat balance of the system can be achieved. And on the other hand, the hydrogen raw material is pressurized to a high pressure, then depressurized to a low level and then subjected to secondary expansion refrigeration, the power consumption of the hydrogen compressor and the expansion machine can be reduced, and then the total power consumption and energy consumption of the system can be reduced.

The invention discloses a multi-stage hydrogen doping device and method for a high-pressure and multi-steel-stage natural gas pipeline. The multi-stage hydrogen doping device comprises a hydrogen source system, a natural gas source system, a static mixer and a test pipeline system, the natural gas source system is connected with the hydrogen source system, the hydrogen source system is connected with an inlet of the static mixer, the natural gas source system is connected with the static mixer and the test pipeline system in parallel, the natural gas source system is connected with the inlet of the static mixer, the test pipeline system is connected with an outlet of the static mixer, and the static mixer is connected with the test pipeline system. And a hydrogen compressor is arranged on a hydrogen pipeline between the hydrogen source system and the inlet of the static mixer. The high-pressure, large-flow and multi-hydrogen-doping-ratio in-service natural gas pipeline hydrogen doping test can be achieved, meanwhile, a high-hydrogen-doping-ratio in-station experiment and low-hydrogen-doping-ratio industrial output are conducted, hydrogen is doped into a natural gas pipeline network on a large scale, and various industrial and civil requirements are met.

The utility model belongs to the technical field of coal tar hydrogenation process, and relates to a sealing gas conveying system for sealing a circulating hydrogen compressor, which comprises a conveying pipeline and heating equipment, the conveying pipeline is connected with the outlet end of the compressor and used for conveying sealing gas. The heating device is arranged on the conveying pipeline and used for heating the sealing gas. According to the utility model, the process gas at the outlet end of the compressor is heated through the additionally arranged heating equipment, so that the process gas can be conveniently heated to the required temperature to serve as sealing gas, the load of the compressor does not need to be increased, unnecessary energy consumption of the compressor is avoided, and in addition, in the actual operation process, the energy consumption is reduced. The load of the compressor can be reduced according to actual process requirements, so that the process gas temperature at the outlet end of the compressor is reduced, and energy conservation and consumption reduction of the compressor are realized.

The invention provides an emergency explosion suppression device and method for a pressurization module of a hydrogen refueling station, and the device comprises the pressurization module which is internally provided with a hydrogen compressor; the device is characterized in that the device further comprises a water storage tank, and water is contained in the water storage tank; and the water cooling system forms a loop outside the water tank, the water cooling system exchanges heat with the refrigerant compressor through a heat exchange module, and the water cooling system is further connected with the hydrogen compressor. And the emergency system can provide micro-droplets for the pressurization module when hydrogen leakage occurs in the pressurization module, so that the risk of explosion is reduced.

The invention discloses a method for preparing industrial hexane with ultralow benzene content through pre-hydrogenation. The method comprises the following steps: light naphtha, hydrogen and a hydrogenation catalyst are subjected to a hydrogenation reaction in a hydrogenation reactor for desulfurization and dearomatization, and a first mixture is obtained; feeding the first mixture into a gas-liquid separator to respectively obtain a liquid-phase product and a hydrogen-containing gas-phase product, and separating hydrogen from the gas-phase product through a circulating hydrogen compressor for recycling; and sequentially carrying out second rectification and third rectification on the liquid-phase product to obtain a heavy component substance, and adsorbing the heavy component substance through a molecular sieve. According to the method, by means of front hydrogenation reaction and rear molecular sieve adsorption, on one hand, the reaction load of molecular sieve adsorption is greatly reduced while the reaction activity of the hydrogenation reaction is improved; on the other hand, an extracting agent does not need to be added, other gas-phase and liquid-phase components are not introduced except hydrogen, the preparation process is greatly simplified, and the benzene content in the obtained cyclohexane is smaller than 5 ppm.

The invention relates to the technical field of isopropanol preparation, in particular to a device and a process for preparing isopropanol through reactive distillation. Comprising refining equipment, a preheater, a hydrogen filter, a hydrogen compressor, a buffer tank, a hydrogen heat exchanger, a hydrogenation reactor, a gas-liquid separator and a recovery tower, the hydrogenation reactor comprises a tower body; the tower body comprises an upper tower body and a lower tower body; a gas inlet is formed in the upper end of the upper tower body; by arranging the material changing box, the catalytic plate can be pre-filled in the material changing box, specifically, before the reactor is shut down, an operator pre-loads a new catalytic plate into the material changing box and completes nitrogen replacement so as to thoroughly eliminate oxygen in the material changing box, and therefore during replacement, the replacement efficiency is greatly improved. Compared with the prior art, an operator can directly push the pre-filled catalytic plate into the tower body for replacement without replacing hydrogen in the tower body after shutdown, so that the hydrogen replacement steps are reduced, the shutdown time of equipment is remarkably shortened, and the production efficiency of isopropanol is improved.

The utility model discloses a decontamination structure for heat exchange equipment of a hydrogen compressor cooler, which relates to the technical field of heat exchange equipment and comprises a shell, tube plates are arranged at two ends of the shell, a heat exchange tube is arranged between the two tube plates, tube boxes are arranged at two ends of the shell and on the outer sides of the tube plates, the heat exchange tube is communicated with the tube boxes on two sides, and the tube boxes are communicated with the heat exchange tube. The heat exchanger comprises a shell, heat exchange pipes are arranged in the shell, baffle plates are arranged in the shell and between the heat exchange pipes in a staggered mode, a collecting box body is arranged at the lower end of the shell and between every two adjacent baffle plates, a cleaning pipe is arranged at the lower end of each collecting box body, and a communicating box body is arranged between the lower end of each collecting box body and the corresponding cleaning pipe. A liquid inlet pipeline is arranged on the front side of the cleaning pipe, and a liquid discharge pipeline is arranged on the rear side of the cleaning pipe, so that the cooling effect of cooling equipment is ensured, the outlet temperature of the hydrogen compressor is maintained at an operation index, the adsorption effect is ensured, the service life is prolonged, the leakproofness of a cooler is ensured, and a cooler tube bundle is prevented from being damaged.

The utility model provides a proximity switch structure of a hydrogen compressor, and belongs to the technical field of hydrogen compressors. The problems that hydraulic oil leaks when a proximity switch of a hydraulic oil cylinder piston of a traditional hydrogen compressor is disassembled, and an internal sensing part is corroded and damaged due to the fact that the end position of the proximity switch intrudes into an oil cylinder for a long time are solved. The hydraulic cylinder comprises a cylinder barrel, a cylinder cover, a piston, a proximity switch and a moving valve element, the cylinder cover is arranged at one end of the cylinder barrel, the piston is movably arranged in the cylinder barrel in the axial direction, and a moving valve element mounting hole and a proximity switch mounting hole are formed in the cylinder barrel. The proximity switch mounting hole is perpendicular to the axial direction of the moving valve element mounting hole, one end of the proximity switch mounting hole is communicated with the moving valve element mounting hole, the proximity switch is arranged in the proximity switch mounting hole, and the moving valve element is movably arranged in the valve element mounting hole in the axial direction. The hydraulic oil cylinder is mainly used in the hydrogen compressor.

The utility model belongs to the technical field of comprehensive utilization and recycling of energy, and particularly relates to a biogas energy storage system. Comprising electrolyzed water equipment and a biogas digester, an oxygen outlet of the water electrolysis equipment is sequentially connected with an oxygen compressor, an oxygen storage tank, a mixer and a combustion chamber; a hydrogen outlet of the water electrolysis equipment is sequentially connected with a hydrogen compressor and a first heat exchange unit; the biogas digester is connected with the combustion chamber, the combustion chamber is connected with the turbine generator, a carbon dioxide outlet of the turbine generator is divided into two branch pipelines after passing through the flow divider, the first branch pipeline is connected to the mixer, and the second branch pipeline is connected to the second heat exchange unit; a hydrogen outlet of the first heat exchange unit and a carbon dioxide outlet of the second heat exchange unit are connected with methane generation equipment; during off-peak electricity utilization, water is electrolyzed through the water electrolysis equipment to obtain oxygen and hydrogen, the oxygen and the hydrogen are compressed and then stored, and during electricity utilization, clean energy power generation is achieved through the biogas digester, the mixer, the combustion chamber, the turbine generator and the stored oxygen.

The invention discloses a hydrogen cost determination method and device of a hydrogen refueling station, a medium and electronic equipment. The method comprises the following steps: equally dividing a pressure interval from zero to maximum pressure of a hydrogen storage tank into a plurality of unit pressure intervals; at first time, determining first hydrogen mass and first hydrogen cost corresponding to the unit pressure interval; hydrogen fixed cost, hydrogen compressor parameters in a target time period and a time difference are obtained, the target time period is a time period from the first time to second time, the time difference is a difference value between the second time and the first time, and the second time is after the first time; and according to the first hydrogen mass, the first hydrogen cost, the hydrogen compressor parameters, the time difference and the hydrogen fixed cost, the second hydrogen cost corresponding to the unit pressure interval at the second time is determined. According to the invention, the hydrogen cost of the hydrogen refueling station can be accurately calculated.

The present application belongs to the technical field of hydrogen storage material detection equipment, and particularly relates to a device for testing or analyzing hydrogen storage materials by means of their chemical or physical properties, and more particularly to a hydrogen storage material corrosion resistance detection device. The device comprises a hydrogen storage material detection box, a sealed detection seat, an electromagnetic valve, a high-pressure hydrogen cylinder, a hydrogen compressor and a hydrogen storage material to be detected. A sealed heat preservation box is fixedly installed on the inner side of the hydrogen storage material detection box, and the sealed detection seat is fixedly connected to the inner side of the sealed heat preservation box. The present application organically integrates high-pressure environment simulation and a three-electrode electrochemical test system through integrated design, and can complete corrosion condition adjustment and performance characterization without opening the sealed cavity. The hydrogen storage material to be detected is always in a simulated real service high-pressure, specific temperature and complex medium environment, fundamentally avoiding the change of corrosion state caused by the sample being separated from the original environment, and ensuring that the collected corrosion kinetics parameters, corrosion product film characteristics and other data are real and reliable.

A hydrogen production apparatus for a wind turbine is provided, including an electrolytic hydrogen production unit for producing hydrogen gas from electrical energy generated by the wind turbine, a compressor unit for compressing the produced hydrogen gas, and a sensor unit fluidly connected to the compressor unit for detecting an oil contamination of the compressed hydrogen gas. Thus, an oil contamination of the hydrogen gas produced by the hydrogen production apparatus is continuously monitored. Further, oil contamination of the hydrogen gas is detected before the hydrogen gas is discharged by the hydrogen production apparatus.

The utility model provides a pipeline structure and a hydrogen compressor, and the pipeline structure comprises a water pipe assembly and a gas pipe assembly, the water pipe assembly comprises a water inlet unit, a water distribution unit, a cooling unit and a water outlet unit which are sequentially arranged, the water inlet unit comprises a water inlet pipeline, the water outlet unit comprises a water outlet pipeline parallel to the water inlet pipeline, and the cooling unit comprises a first cooling set and a second cooling set which are arranged on the two sides of the water inlet pipeline respectively. The air pipe assembly comprises an air inlet unit, an air distributing unit, a conveying unit and an air outlet unit which are sequentially arranged, the air inlet unit comprises an air inlet pipeline, the air outlet unit comprises an air outlet pipeline parallel to the air inlet pipeline, and the conveying unit comprises a first conveying set and a second conveying set which are arranged on the two sides of the air inlet pipeline. The water inlet unit, the water outlet unit, the air inlet unit and the air outlet unit are intensively arranged in the middle of the whole pipeline structure, the cooling unit and the conveying unit are arranged on the two sides of the whole pipeline structure, the structure is compact, and the occupied area is small.

To provide a compressor unit which includes a plurality of stages of compressors and is suitable for compressing hydrogen gas generated by a water electrolysis system.SOLUTION: The compressor unit 10 is used to compress the hydrogen gas generated by the water electrolysis system 25. The compressor unit 10 includes a screw compressor 12 that hydrogen gas containing moisture generated from the water electrolysis system 25, a dryer 14 that is disposed on the downstream side of the screw compressor 12 and dries the hydrogen gas, and a reciprocating compressor 16 that further compresses the hydrogen flowing out from the dryer 14.SELECTED DRAWING: Figure 1

This invention relates to the field of hydrogen compressor technology, specifically a reciprocating hydrogen compressor, comprising a housing, a base fixedly connected to the lower end of the housing, a drive assembly inside the base, a compression mechanism inside the housing, the compression mechanism including a cylinder, a first piston slidably connected inside the cylinder, a connecting pipe fixedly connected inside the cylinder, a first one-way valve inside the connecting pipe, an exhaust assembly inside the cylinder, and an inflation mechanism at the upper end of the cylinder. The inflation mechanism includes a sliding rod, one end of which is fixedly connected to the first piston, and a second piston fixedly connected to the upper end of the sliding rod. A cylinder liner is fitted around the second piston, an inlet pipe is fixedly connected inside the cylinder liner, and a water pumping assembly is located at the upper end of the cylinder liner. When the first piston moves downward, it drives the second piston to push a fixed amount of hydrogen from the cylinder liner into the cylinder. The downward movement of the second piston also cooperates with the water pumping assembly to cool the cylinder.

The application discloses a hydrogen compressor test testing device and a test method, the test device comprises a gas storage bottle group, an inlet buffer tank, a testing machine, an outlet buffer tank and a back pressure valve which are sequentially communicated through pipelines, the inlet buffer tank and the testing machine are both provided with two groups and are connected in parallel, the outlet of the back pressure valve is communicated to the two groups of inlet buffer tanks, and the back pressure valve is provided with two groups in parallel; the pipe diameters of the inlet pipelines and the outlet pipelines corresponding to the two groups of testing machine inlets and outlets are different, so that the displacement size is controlled according to the pressure size. The application has the characteristics of wide working condition, high pressure, large displacement, automatic control and gas recovery, can monitor the performance parameters such as temperature, pressure and displacement in the running process of the platform in real time, meets the test, delivery test and scientific research test demands of various hydrogen energy compressors, and provides support for the design, simulation and performance evaluation of the unit.

The invention discloses a hydrogen storage and release device of a hybrid electric vehicle and a control method. A hydrogen compressor extracts hydrogen from a hydrogen station through a hydrogen inlet solenoid valve, and the hydrogen enters a magnesium hydride storage tank through a normally closed valve of an opened two-position three-way solenoid directional valve, a container of a thermomagnetic generator and an electric ball valve. The gear reducer motor is started to drive the magnesium hydride storage tank to rotate. Microwaves enter a circle of quartz tubes through an electric gate valve and then penetrate through the walls of the quartz tubes to enter a magnesium hydride storage tank, magnesium powder in the magnesium hydride storage tank is evenly heated, magnesium reacts chemically with hydrogen of 1-2 Mpar at the temperature of 300-400 DEG C, and magnesium hydride is generated. When hydrogen needs to be released, the gear reducer motor is started to drive the magnesium hydride storage tank to rotate. Microwaves enter a circle of quartz tubes through an electric gate valve and then penetrate through the walls of the quartz tubes to enter a magnesium hydride storage tank to be absorbed by magnesium powder, a large amount of heat is generated and transmitted to magnesium hydride, the magnesium hydride is heated to 200-300 DEG C to be subjected to decomposition reaction, and hydrogen is released.