150 results about "Hydrogen compression" patented technology

The invention provides an electro-hydraulic servo pump control method and system for controlling hydrogen compression based on fuzzy nerve, and relates to the technical field of hydrogen compression, and the method comprises the steps that the current state of a hydraulic cylinder controlled by an electro-hydraulic servo pump is determined, and an input control variable is obtained; determining an output control variable, establishing a fuzzy control rule, and dividing a basic discourse domain; performing composite defuzzification, and obtaining a corrected weight coefficient through a feedforward neural network; the discrete rule amplitude correction factor and the weight coefficient correction are dynamically optimized and corrected; neural network training is established, a loss function evaluation model is utilized, and hydrogen compression control is achieved through a double-buffering mechanism. Fuzzy PID control is adopted, composite defuzzification is carried out according to the real-time state change of a system in combination with fuzzy logic, a membership function output by the fuzzy PID is divided according to regions, a control signal of a driver is synthesized, and hydrogen compression control is achieved; system output is adjusted according to different working conditions, power loss is reduced, and system control precision is improved.

The invention discloses a standby power supply system, and relates to the technical field of transformer substation power supply, a hydrogen production module is used for producing hydrogen by using commercial power or renewable power and then storing the hydrogen in a high-pressure gas storage tank of a hydrogen storage module, and the hydrogen storage module is provided with a one-way valve for the hydrogen to pass through in one way and a gas compressor for compressing the hydrogen to realize hydrogen conveying; after hydrogen stored in the hydrogen storage module is subjected to power generation through a fuel cell through the power generation module, the hydrogen is input into a storage battery pack of an uninterruptible power supply system of the transformer substation, and in the whole process, the control module detects the state of a main power supply and controls starting and stopping of the power generation module. The hydrogen production rate of the hydrogen production module and the hydrogen storage pressure of the hydrogen storage module are controlled, only water is generated in the power generation process, harmful emission is avoided, direct current generated by the fuel cell is directly matched with a UPS storage battery direct current bus, the response speed is high, conversion loss is reduced, the energy utilization efficiency is improved, the system automation degree is high, and the operation and maintenance cost is low.

According to the gas-liquid mixing hydrogen refueling station system with the cooling capacity recovery and gradient utilization functions, flash steam of the low-temperature liquid hydrogen storage tank is collected and stored in the low-temperature hydrogen storage tank, the cooling capacity of the flash steam is fully utilized, cooling capacity is provided for the heat exchanger, high-pressure hydrogen is cooled, the cooling capacity of the low-temperature flash steam of the liquid hydrogen is fully utilized, and the cooling capacity of the low-temperature flash steam of the liquid hydrogen is fully utilized. Energy gradient utilization of cooling capacity is achieved, and loss of extra energy in the hydrogen refueling station is reduced; the flash steam obtained after heat exchange is further used for hydrogen compression, and reutilization of the low-temperature liquid hydrogen flash steam is achieved; the flash steam after heat exchange is pressurized and then cooled by using the cooling capacity of the high-pressure liquid hydrogen, and meanwhile, the heating gasification of the high-pressure liquid hydrogen is realized, namely the gasification of the pressurized liquid hydrogen in the liquid hydrogen refueling station and the cooling of a gas hydrogen pressurization process in the liquid hydrogen refueling station are coupled for heat exchange, so that the utilization efficiency of the heat and the cooling capacity is greatly improved; an external vaporizer is not needed for high-pressure liquid hydrogen gasification, an external cooler is not needed in the gas-hydrogen pressurization process, and energy consumption is greatly reduced.

The invention relates to the technical field of hydrogen storage alloys, in particular to a Ti-based hydrogen storage alloy and a preparation method and application thereof. The chemical formula of the Ti-based hydrogen storage alloy is TibZr (1.02b) CrcMn (1.6 c) Fe 0.4, b is larger than or equal to 0.92 and smaller than or equal to 0.95, and c is larger than or equal to 1.0 and smaller than or equal to 1.2. According to the invention, Ti or Cr is doped into a Ti0. 92Zr0. 1Cr1. 0Mn0. 6Fe0. 4 alloy matrix, and regulation and control of unit cell parameters and electronegativity are realized by means of alloying, so that the hydrogen compression material has a higher compression ratio, and the alloy crystal structure is stable, and has more excellent activation performance, longer cycle life and higher cycle stability.

The invention discloses a hydrogen-coupled green methanol production system and method, and a green methanol product is obtained through the procedures of gasification, purification, methanol synthesis, methanol rectification and the like. The hydrogen-coupled green methanol production system comprises a gas making unit, a purification unit, a methanol synthesis unit and a methanol rectification unit, the gas making unit is a biomass gasification unit, the biomass gasification unit comprises a normal-pressure circulating fluidized bed, the normal-pressure circulating fluidized bed gasifies a biomass raw material to generate crude synthesis gas, the purification unit is used for purifying the crude synthesis gas, and the methanol rectification unit is used for rectifying the crude synthesis gas. The hydrogen compression unit is connected in front of the methanol synthesis unit, the hydrogen compression unit is used for providing hydrogen, the methanol synthesis unit is used for synthesizing synthesis gas and hydrogen into crude methanol, and the methanol rectification unit is used for rectifying the crude methanol into refined methanol. The method can promote the resource utilization of biomass materials, achieves the purposes of energy conservation, emission reduction and environmental protection, meets the current requirements of environmental protection, energy conservation and low-carbon economy, and is beneficial to green and sustainable development.

The invention discloses a wind-solar complementary hydrogen production and energy storage comprehensive energy utilization system, which comprises an energy control center, a seawater desalination device, a hydrogen production device, a hydrogen compression device, a hydrogen storage device, a hydrogen fuel cell, a wind generating set and a photovoltaic power generation assembly, and is characterized in that the output end of the wind generating set and the output end of the photovoltaic power generation assembly are connected with a micro-grid; an outlet of the seawater desalination device is communicated with a water inlet of the hydrogen production device, a hydrogen outlet of the hydrogen production device is communicated with an inlet of the hydrogen storage device through the hydrogen compression device, and an outlet of the hydrogen storage device is communicated with a hydrogen inlet of the hydrogen fuel cell. And the energy control center is connected with the seawater desalination device, the hydrogen production device, the hydrogen compression device, the hydrogen storage device and the hydrogen fuel cell. The system can realize wind-solar complementary power generation and hydrogen energy storage.

An electrochemical hydrogen compression system comprises a hydrogen compression stack having a unit cell including an electrolyte membrane, an anode disposed on one surface of the electrolyte membrane, and a cathode disposed on another surface of the electrolyte membrane, and that supplies a hydrogen gas to the anode, and delivers from the cathode the hydrogen gas which has been compressed, an electrical power source device that applies a voltage to the hydrogen compression stack, a hydrogen supply device that supplies the hydrogen gas to the hydrogen compression stack, a storage device that stores the hydrogen gas output from the hydrogen compression stack, and a return flow path that returns the hydrogen gas output from the hydrogen compression stack to the hydrogen supply device, wherein a hydrogen storage tank that stores the hydrogen gas is provided in the return flow path.

The invention discloses a hydrogen variable-stage compression reciprocating piston type compressor unit, and relates to the technical field of hydrogen compression. Comprising a rack, a first-stage reciprocating piston type compressor, a second-stage reciprocating piston type compressor and a third-stage reciprocating piston type compressor which are mounted at the bottom of the rack in the Y-axis direction, and a variable-stage air guide pipe group mounted at the air inlet end of a cylinder body of the first-stage reciprocating piston type compressor, and a second-stage air inlet pipe is arranged between the air outlet end of the air storage tank of the first-stage reciprocating piston type compressor and the air inlet end of the cylinder body of the second-stage reciprocating piston type compressor. The high-pressure hydrogen is allowed to be directly switched into the low-pressure stage, the middle-pressure stage and the high-pressure stage of the compressor unit through dynamic dispatching of the valves of the variable-stage gas guide pipe set, so that the residual high-pressure potential energy of the trailer is directly converted into effective initial work of a compression system, and the fatal energy fault of first pressure relief and then low-pressure full-pressure-difference compression in a traditional scheme is avoided; potential energy wasted by the pressure reducing valve originally is directly inherited and utilized by the compressor.

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 discloses an efficient hydrogen compression device, and belongs to the technical field of hydrogen compression, the device comprises a supporting table, and further comprises a driving device arranged in the middle of the top end of the supporting table; the compression sleeve shells are arranged at the two ends of the driving device, and sealing covers are arranged at the outer ends of the compression sleeve shells; according to the technical scheme, the judgment mechanism and the alarm mechanism are arranged, when the outer side part of the compression diaphragm is broken, internal quantitative hydraulic oil can enter the inner cavity of the sealing cover, and the reduction of the hydraulic oil can release part of the judgment mechanism, so that internal gas can be pushed to be guided into the alarm mechanism; the alarm part of the alarm mechanism senses the preset pressure alarm value and then gives an alarm, so that an operator is alarmed in the first time that one side of the compression diaphragm is broken and needs to be shut down and maintained in time, subsequent oil-gas separation operation is facilitated, and the labor intensity of the operator is greatly reduced.

The application relates to the field of hydrogen production, in particular to a hydrogen compression device which comprises a shell, the shell is provided with an air outlet pipe for air outlet and an air inlet pipe for air inlet, a sealing nut is sleeved on the air outlet pipe and the air inlet pipe in a threaded mode, a flexible sealing ring is also sleeved on the air outlet pipe and the air inlet pipe, the flexible sealing ring is pressed on the shell by the sealing nut, an air-tight cover is further arranged on the shell, the air-tight cover wraps the connecting positions of the air outlet pipe and the shell and the air inlet pipe and the shell, a compensation runner is rotationally arranged in the air-tight cover, an air guide pipe is further arranged in the air-tight cover, the air guide pipe is used for guiding the hydrogen leaked from the air outlet pipe and the air inlet pipe to the compensation runner, a plurality of rotating blocks are arranged on the sealing nut, the compensation runner drives the sealing nut to rotate and press the flexible sealing ring. The application has the effect of improving the air tightness of the air-tight device.

The utility model provides an exhaust oil removal device of a mechanical piston type compressor, and belongs to the field of high-pressure hydrogen oil removal. The problem that the filter is broken and cannot be used due to large pressure difference inside and outside the filter when the hydrogen compression system is started is solved. A separation cavity and an oil collection cavity are formed in the separation cylinder; the main filter is arranged in the separation cavity; the air distribution valve is provided with a normally open outlet and a partial pressure outlet, the normally open outlet is connected with the interior of the main filter, and the partial pressure outlet is connected with the auxiliary filter; and after the gas distribution valve is subjected to the acting force of compressed gas, the pressure distribution outlet is gradually closed. The device is mainly used for high-pressure hydrogen oil removal.

Described herein are interpenetrating crosslinked ionomeric polymer network membranes comprising bis-arylimidazolium ionomeric polymers, a second polymer, and a cross-linking moiety, and methods of making the interpenetrating crosslinked ionomeric polymer network membranes. Such interpenetrating crosslinked ionomeric polymer network membranes are used in electrochemical devices such as fuel cells, electrolyzers, hydrogen pumps, thermoelectrochemical hydrogen pumps, electrochemical hydrogen compressors, redox flow batteries, and other electrochemical devices, and have application in fuel cells, water electrolyzers, hydrogen compression, hydrogen decompression, water purification, and battery products.

The utility model relates to a compressor technical field, concretely is a kind of air quantity stepless regulator applied to new hydrogen compressor.The utility model provides a kind of improved air quantity stepless regulator applied to new hydrogen compressor.It include compressor body, inlet valve, exhaust valve and stepless regulation control mechanism etc., the stepless regulation control mechanism is arranged at the top of compressor body, the adjustable outlet valve is also arranged at the top of compressor body.The moving rate of adjusting block is controlled by hydraulic cylinder, the opening and closing time of inlet valve and delay closing function can be realized accurately, make the excess gas before compression backflow to backflow cavity through exhaust valve, ensure that only the required gas volume is compressed, and then the indicated work consumption can be effectively reduced, and energy efficiency is improved;And when the pressure in compression cavity exceeds the set value, gas can be discharged through the exhaust valve of shaft side and the adjustable outlet valve of cover side double channel respectively, avoid that piston and connecting rod bear excessive one-way force, and then it is favorable to prolong the service life of key components.

The utility model relates to the field of petroleum chemical industry, concretely relates to a kind of aromatic oil hydrogenation device.The aromatic oil hydrogenation device includes: new hydrogen compressor, with opposite new hydrogen import and new hydrogen export;Import pipeline, one end is connected with new hydrogen import, the other end is suitable for being connected with pipe network;Outlet pipeline, one end is connected with new hydrogen export;Check valve is arranged on outlet pipeline, and flow orifice is arranged at check valve;Flow transmitter is also arranged on outlet pipeline, and flow transmitter is arranged behind check valve along the flow direction of hydrogen.The utility model relates to a kind of aromatic oil hydrogenation device, and the pressure and flow of hydrogen can be adjusted by new hydrogen compressor and flow orifice, to adapt to the use requirement of aromatic oil hydrogenation device.

The utility model discloses a multi-gas-valve cylinder cover structure of an ionic liquid hydrogen compressor, and belongs to the technical field of hydrogen compression equipment. Comprising an air valve assembly, an exhaust valve support, an air inlet valve support, a four-air-valve cylinder cover, a three-air-valve cylinder cover, a cylinder cover plate, a cylinder cover plate bolt, an air inlet connector and an exhaust connector. The four-air-valve cylinder cover can be provided with four air valve assemblies, and the three-air-valve cylinder cover can be provided with three air valve assemblies. By means of the structure, the intake and exhaust response speed of the ionic liquid hydrogen compressor is effectively increased, system power consumption is reduced, and effective control and rapid conversion of gas are achieved. Meanwhile, the space utilization rate is high, the maintenance cost is low, and wide application of the ionic liquid hydrogen compressor is facilitated.

When executing a depressurizing process of a hydrogen compression device and a water electrolysis device, on-off valves that supply a hydrogen gas or an oxygen gas to a fuel cell are placed in an opened state, and further, a set pressure of supply pressure reducing valves are adjusted to a value that is lower than a set pressure of bypass pressure reducing valves. Gas remaining in gas depressurizing regions is supplied, via the bypass pressure reducing valves, to the fuel cell.

The utility model relates to the technical field of chemical engineering, in particular to a waste water recovery system for a steam seal cooler of a back pressure type steam turbine, which is characterized in that the back pressure type steam turbine is connected with a disproportionation circulating hydrogen compressor; the steam seal cooler is connected with the back pressure type steam turbine; the condensing steam turbine is connected with the isomerization circulating hydrogen compressor; the liquid collecting box is arranged at the bottom of the condensing steam turbine; the bottom of the drainage expansion box is communicated with the bottom of the liquid collection box; a condensate outlet of the steam seal cooler is connected to the drainage expansion box through a crossover line, and the crossover line is provided with a first gate valve. According to the utility model, the part of water is recycled to a condensed water pipe network through pipeline transformation, so that the waste of water resources is reduced, the consumption cost of public engineering sewage reagents is also reduced, and the effective combination of energy conservation and environmental protection is realized.

The utility model provides a heat dissipation device and hydrogen compression equipment, and the heat dissipation device comprises a first heat dissipation part which is used for carrying out heat dissipation processing on a hydraulic part; the second heat dissipation component is used for carrying out heat dissipation treatment on the compressed gas; the third heat dissipation part is used for conducting heat dissipation treatment on the electric cabinet part and comprises a fan assembly arranged on one side in the length direction of the electric cabinet and an air blocking assembly arranged in the length direction of the electric cabinet, and an air blowing opening of the fan assembly faces the electric cabinet part. The air blowing opening of the fan assembly faces the electric cabinet component and is matched with the air blocking assembly to guide the blowing flow direction, and the air suction opening of the fan assembly can suck a large amount of cold air and blow the cold air to the electric cabinet component, so that heat generated by the electric cabinet is taken away, and the heat dissipation efficiency is high; and meanwhile, the hydraulic component and the compressed gas are subjected to heat dissipation treatment through the first heat dissipation component and the second heat dissipation component, so that the whole hydrogen compressor is kept at a proper working temperature, and the working efficiency is guaranteed.

A hydrogen energy storage device and a hydrogen energy storage method therefor, comprising a compression housing (1) and a hydrogen compression system, wherein a compression chamber (24) is provided inside the compression housing (1), an intake hood (2) is mounted on the top surface of the compression housing (1), an extension pipe (3) is mounted on the bottom surface of the intake hood (2), an intake valve (4) is mounted on the bottom surface of the extension pipe (3), and an upper storage tank (5) is mounted on the top surface of the intake hood (2); a pressure sensor monitors the real-time pressure value inside the upper storage tank (5) to determine the hydrogen capacity therein, and then obtains a fluctuation difference value which is analyzed and processed to generate a pressure-increasing signal or a pressure-reducing signal; a liquid level sensor analyzes the remaining space inside a lower storage tank, and processes pressure abnormality signals to obtain a liquid level discharge signal, a hydrogen discharge signal or a pressure-increasing signal; and different received signals respectively control activation of a condensation component or a conversion component to realize allocation of hydrogen storage space.

The invention belongs to the technical field of hydrogen storage materials, and particularly discloses a second-stage hydrogen storage alloy of a two-stage metal hydride hydrogen compressor and a preparation method of the second-stage hydrogen storage alloy. The chemical equation of the second-stage hydrogen storage alloy of the two-stage metal hydride hydrogen compressor is Ti < 0.84 > Zr < 0.16 > MnaCrbFe < 0.1 >, a is larger than or equal to 0.9 and smaller than or equal to 1.1, and b is larger than or equal to 0.7 and smaller than or equal to 1.0. The invention further provides a preparation method of the Ti-Mn-based hydrogen storage alloy. According to the hydrogen storage alloy, a non-stoichiometric modification process is used, and the purpose of regulating and controlling the performance of the alloy is achieved by controlling the quality of smelting elements. The prepared hydrogen storage alloy has the advantages of being easy to activate, high in reversible hydrogen storage density, excellent in dynamic performance, long in cycle life and the like, and is very suitable for being used as a second-stage hydrogen storage alloy of a two-stage metal hydride hydrogen compressor.

The invention relates to the technical field of new energy development and energy storage, and discloses a coupling system based on deep ground dry hot rock stratum hydrogen storage and geothermal energy development and a working method thereof.The coupling system comprises a ground surface subsystem, a shaft subsystem and a dry hot rock reservoir; the earth surface subsystem comprises a hydrogen production unit, a hydrogen compression and injection module, a power generation combined heat and power supply unit, a gas separation and purification module and a central control system; the gas separation and purification module is connected with a power grid; the shaft subsystem comprises underground extraction equipment, a shaft conveying system and a ground wellhead device; the shaft conveying system comprises an injection well and a production well, the hot dry rock reservoir comprises a plurality of artificial fracture networks which are communicated with one another, and monitoring modules are installed in the artificial fracture networks. Large-scale hydrogen storage and hot dry rock development are combined, hydrogen storage and efficient geothermal extraction and conversion are synchronously achieved by means of the space, the high-temperature environment and the sealing performance of a hot dry rock reservoir, and the development problem of a hydrogen storage and enhanced geothermal system is solved.

The ammonia production system comprises a hydrogen source and a hydrogen compression unit, configured to compress hydrogen from the hydrogen source. The system further comprises a nitrogen source and a syngas compressor, configured to receive nitrogen from the nitrogen source and hydrogen from the hydrogen compression unit, and further configured to compress a syngas including a mixture of hydrogen and nitrogen and deliver the compressed gas mixture to an ammonia synthesis module. The hydrogen source and the nitrogen source are fluidly coupled to the syngas compressor. The hydrogen compression unit is configured to deliver hydrogen at pressures of 8 to 17 bar.

The utility model provides a hydrogen compression cylinder, and relates to the field of hydrogen manufacturing. The cylinder body is sleeved with the water cooling assembly, and cooling liquid circulates between the water cooling assembly and the cylinder body; the fin heat dissipation assembly comprises a plurality of cooling fins, a base and a fixing rod, the cooling fins are fixedly connected with the base in sequence, the base is arranged on the water cooling assembly in a sleeving mode, the fixing rod penetrates through one side of the base, and the two ends of the fixing rod are detachably fixed to the support. The scheme has the beneficial effects that the cylinder body is sleeved with the water cooling assembly, and the water cooling assembly is sleeved with the fin heat dissipation assembly. Heat of the cylinder body is taken away by cooling liquid circulating in the water cooling assembly, so that the purpose of reducing the temperature is achieved, and the water cooling assembly can be further cooled by the fin heat dissipation assembly, so that the cylinder body can be effectively cooled by the water cooling assembly. The utility model further provides a hydrogen compressor.

The invention belongs to the technical field of biomass chemical production, and particularly relates to a co-production system and a co-production method for coupling renewable resources with green fuel. The co-production system comprises a biomass gasification device, a transformation and heat recovery device, a desulfurization and decarbonization device, a cryogenic separation CH4 recovery device, a synthesis gas compression device I, a biomass methanol synthesis device, a biomass methanol rectification device, a water electrolysis hydrogen production device, a hydrogen storage tank, a hydrogen compression device, a biomass boiler and a boiler flue gas dust removal device, the device comprises a flue gas purification pretreatment device, a CO2 capture and compression device, a synthesis gas compression device II, an electronic methanol synthesis device, an electronic methanol rectification device, an electronic methanol purge gas hydrogen recovery device and an SAF synthesis and refining separation device. According to the co-production method, the co-production of the green methanol and the SAF can be realized by adopting the co-production system, and the dynamic balance between the methanol production yield and the SAF production yield can be realized, so that a biomass carbon source is completely utilized, and the zero carbon emission of the device is realized.

The application relates to an ionic liquid hydrogen gas compressor ionic liquid circulation and power-free injection liquid supplementing device, which comprises a hydrogen gas pressurizing cylinder, a gas-liquid separator and an ionic liquid circulation system; the hydrogen gas pressurizing cylinder comprises a nozzle and a gas compression cavity; the ionic liquid circulation system comprises a pressure reducing valve, an ionic liquid tank and a proportional valve; high-pressure gas-liquid mixed fluid discharged from the compression outlet of the hydrogen gas pressurizing cylinder enters the gas-liquid separator, pure hydrogen gas separated out is stored into a hydrogen storage bottle, and the separated pure ionic liquid is reduced to a safe pressure through the pressure reducing valve and then enters the nozzle through the proportional valve, is atomized by the nozzle and is sprayed back into the gas compression cavity of the hydrogen gas pressurizing cylinder, and the leaked ionic liquid in the pressure reducing valve is poured back into the ionic liquid tank. The application utilizes the high pressure existing in the gas-liquid separator, directly sprays into the gas cavity of the hydrogen compressor in the form of atomization through the nozzle after a certain degree of pressure reduction, and plays the roles of cooling, heat dissipation and energy efficiency improvement.

The application provides a low-temperature supercritical hydrogen storage system using two-stage series mixed refrigerant refrigeration, comprising a hydrogen compression cooling system, a pre-cooling mixed refrigerant compression cooling system, a deep cooling mixed refrigerant compression cooling system, a first heat exchange system, a second heat exchange system, a third heat exchange system, a fourth heat exchange system, a fifth heat exchange system, a sixth heat exchange system, a seventh heat exchange system and a hydrogen storage tank. The hydrogen passes through the hydrogen compression cooling system, the first heat exchange system, the second heat exchange system, the third heat exchange system, the fourth heat exchange system, the fifth heat exchange system, the sixth heat exchange system and the seventh heat exchange system in sequence and is converted into low-temperature supercritical hydrogen and stored in the hydrogen storage tank. The pre-cooling mixed refrigerant is used for pre-cooling the hydrogen and the deep cooling mixed refrigerant, the cooling of the hydrogen by the mixed refrigerant can be fully utilized, the production cost is reduced, the cooling effect is improved, and the circulation performance of the mixed refrigerant in the system is good.

The invention discloses an energy storage and energy supply control method of a hydrogen production and energy supply system and a related device, and the method comprises the steps: continuously generating hydrogen through a hydrogen production reaction device, carrying out the pretreatment, and conveying the hydrogen into a conveying shunting pipeline; the real-time filling requirement is obtained, the real-time filling amount of hydrogen needing to be filled currently is calculated, a pipeline valve is controlled to open a filling channel, and the hydrogen is conveyed to hydrogen using equipment to complete real-time filling; the difference value between the total hydrogen production amount and the real-time filling amount is calculated, the amount of residual hydrogen in the conveying flow dividing pipeline is determined, a pipeline valve is controlled to be switched to a storage channel, and hydrogen with the residual hydrogen amount is conveyed into a hydrogen compression device; and compressing the residual amount of hydrogen to a preset high-pressure state, and conveying the hydrogen to a high-pressure hydrogen storage tank for sealed storage. According to the hydrogen production and energy supply system, the filling passage and the storage passage are arranged, switching of the pipeline valves is triggered by calculating the hydrogen flow value, and the safety and efficiency of the energy storage function of the hydrogen production and energy supply system are effectively improved.

A control device, when a water electrolysis system is initiated, controls electrical power source devices in a manner so that a water electrolysis electrical current and a hydrogen compression electrical current increase gradually in coordination. During such gradual increasing, it is detected whether or not flooding has occurred in a hydrogen compression stack, and at a time when it is detected that flooding is occurring, until the flooding is eliminated, a flooding elimination control is carried out in which an increase in the water electrolysis electrical current and the hydrogen compression electrical current is temporarily suspended and the water electrolysis electrical current and the hydrogen compression current are maintained at a constant current value in coordination.

The invention relates to the technical field of coal tar, in particular to a multi-stage reactor for full-fraction hydrogenation of medium and low temperature coal tar. The new hydrogen treatment mechanism comprises a first outer box fixedly connected to the upper end face of the base, a deoxidation assembly, a convergence funnel, a desulfurization assembly and a drying assembly are sequentially arranged in the first outer box from top to bottom, and a new hydrogen compressor and an output assembly are arranged on the two sides of the first outer box correspondingly; the new hydrogen compressor and the output assembly communicate with the interior of the first outer box. According to the circulating hydrogen treatment mechanism, through a deoxidation assembly, a desulfurization assembly, a drying assembly and an output assembly in the new hydrogen treatment mechanism, pretreatment of deoxidation, desulfurization and drying is sequentially conducted on new hydrogen before the new hydrogen is input into the reactor, and harmful impurities in the hydrogen can be effectively removed; poisoning and inactivation of the catalyst are avoided, side reaction is inhibited, and the reactor and subsequent equipment are protected from corrosion.