165 results about "Hydrogen output" patented technology

The fuel cell system comprises a gas source, a heat exchange device and a galvanic pile, a hydrogen source is connected with the heat exchange device, hydrogen output by the hydrogen source flows through the heat exchange device, the heated hydrogen is input into the galvanic pile, air output by an air source is input into the galvanic pile, and the galvanic pile is connected with the heat exchange device. The hydrogen and the air are subjected to electrochemical reaction in the electric pile; the electric pile is connected with the heat exchange device, and tail gas of the electric pile flows through the heat exchange device. Before hydrogen and air are input into the galvanic pile according to the set volume ratio, the hydrogen flows through the heat exchange device to be preheated and then is input into the galvanic pile, the hydrogen and the air are subjected to an electrochemical reaction in the galvanic pile to generate tail exhaust fluid, and the tail exhaust fluid flows through the heat exchange device to be subjected to heat exchange and then is discharged. In the whole process, hydrogen and air are subjected to electrochemical reaction in the galvanic pile to generate tail exhaust fluid, and the tail exhaust fluid is used for preheating the hydrogen, so that the utilization of heat carried by the tail exhaust fluid is realized.

A burner including a first pulverized coal entrained fluid flow conduit; an inner hydrogen conduit; and a hydrogen oxidant conduit positioned between the first pulverized coal entrained fluid flow conduit and the inner hydrogen conduit; an outlet of the inner hydrogen conduit positioned a first distance from an outlet of the hydrogen oxidant conduit such that hydrogen output from the outlet of the inner hydrogen conduit passes through a portion of the hydrogen oxidant conduit to the outlet of the hydrogen oxidant conduit; and the outlet of the hydrogen oxidant conduit being a second distance from an outlet of the first pulverized coal entrained fluid flow conduit such that the hydrogen and the hydrogen oxidant output from the outlet of the hydrogen oxidant conduit passes through a portion of the first pulverized coal entrained fluid flow conduit for being output from the burner.

The PEM water electrolysis hydrogen production system comprises a hydrogen storage tank, a PEM electrolytic bath, a water supply system and a power conversion device, the pure water input end of the PEM electrolytic bath is connected with the water supply system, the power input end of the PEM electrolytic bath is connected with the power conversion device, and the hydrogen output end of the PEM electrolytic bath is connected with the hydrogen storage tank; and the power conversion device is configured to adjust the output current based on the real-time pressure of the hydrogen storage tank, so that the hydrogen production load of the PEM electrolytic bath is controlled, and the pressure of the hydrogen storage tank is stable. The PEM water electrolysis hydrogen production technology is applied to the hydrogen production, storage and adding integrated hydrogen energy supply station, the real-time pressure of the hydrogen storage tank is collected, the output current of the power conversion device is adjusted through the PID algorithm, the hydrogen production load of the PEM electrolytic cell is controlled, the pressure of the hydrogen storage tank is stable, and meanwhile frequent starting and stopping of the electrolytic cell are avoided.

The utility model discloses a hydrogen fuel cell automobile high-pressure hydrogen storage tank pressure energy recovery device which comprises a first-stage hydrogen pressure reduction module, a second-stage hydrogen pressure reduction module, a third-stage hydrogen pressure reduction module and an electric energy storage module which are sequentially connected. The third-stage hydrogen pressure reduction module is communicated with the hydrogen output pipeline; a first hydrogen pressure regulation transmission pipeline is also communicated between the primary hydrogen pressure reduction module and the hydrogen output pipeline; the second-stage hydrogen pressure reduction module is communicated with the hydrogen output pipeline through a second hydrogen pressure regulation transmission pipeline; through the cooperation of the multi-stage hydrogen pressure reduction module and the electric energy storage module, the pressure energy of high-pressure hydrogen in the high-pressure hydrogen storage tank is converted into electrochemical energy to the maximum extent, and the electrochemical energy is stored in the storage battery, so that the waste of the pressure energy in the high-pressure hydrogen storage tank is avoided, and the energy utilization efficiency of the fuel cell automobile is improved; and the comprehensive energy consumption of the automobile is reduced.

The utility model belongs to the technical field of bathing machines, and particularly relates to a hydrogen-rich water machine with a water drinking and bathing integrated structure, which comprises a water supply system, a water purifier, a water heater, a water temperature adjusting device, a booster water pump, a hydrogen-rich water machine and a bathtub, the water purifier, the water heater and the water temperature adjusting device are connected with the water supply system; the water temperature adjusting device and the water purifier are connected with the input end of the booster water pump, and the booster water pump is connected with the hydrogen-rich water machine; the hydrogen-rich water machine is provided with a hydrogen output port and further provided with a three-way electromagnetic valve, one end of the three-way electromagnetic valve is connected with a molecular pump pipeline, and the other end of the three-way electromagnetic valve is connected with a faucet pipeline. The faucet is arranged on the bathtub, and the bathtub is further provided with a control panel; the bathtub is further provided with a hydrogen absorption device, and the hydrogen absorption device is connected with the hydrogen output port. The hydrogen-rich water machine with the water drinking and bathing integrated structure can achieve the functions of bathing, water drinking and hydrogen absorption, and the requirements of users are met.

This application relates to the field of hydrogen production, and specifically discloses a hydrogen production drying and regeneration system, which includes a water electrolyzer, a gas-water separator, a cooler, a drying tower, a hydrogen storage cylinder, and a fuel cell; during the water electrolysis process, the water electrolyzer electrolyzes water to form hydrogen and outputs a mixture containing hydrogen to the gas-water separator. The gas-water separator separates the gas in the mixture and inputs the separated gas into the cooler. The cooler cools the gas from the steam-water separator and outputs a gas containing water vapor and hydrogen to the drying tower. The drying tower absorbs the water vapor and outputs hydrogen to the hydrogen storage cylinder; during the power generation process, the hydrogen storage cylinder outputs hydrogen to the drying tower. The drying tower releases the water vapor absorbed during the water electrolysis process. The water vapor and hydrogen output by the drying tower are input into the fuel cell through the cooler, and the fuel cell generates electricity using the water vapor and hydrogen. The purpose of this application is to provide a hydrogen production drying system with a cyclic regeneration function.

The utility model discloses a hydrogen production and power generation coupling system based on methanol concentration difference, which relates to the technical field of methanol electrolysis hydrogen production and comprises a methanol electrolysis hydrogen production reactor, a methanol water supply unit, a direct methanol fuel cell and an energy storage cell, the methanol water supply unit provides methanol water required by hydrogen production for the methanol electrolysis hydrogen production reactor, and a water outlet of the methanol electrolysis hydrogen production reactor is communicated with a water inlet of the direct methanol fuel cell, so that low-concentration methanol water output by the methanol electrolysis hydrogen production reactor is input into the direct methanol fuel cell for power generation; the direct methanol fuel cell, the energy storage cell and the methanol electrolysis hydrogen production reactor are sequentially in circuit connection. According to the methanol electrolysis hydrogen production reactor, the high-concentration methanol aqueous solution is used for electrolysis hydrogen production, the output low-concentration methanol aqueous solution serves as a raw material for power generation of the direct methanol fuel cell, the direct methanol fuel cell generates power and then supplies the power for hydrogen production of the methanol electrolysis hydrogen production reactor, an external power source is not needed for power supply, and the system efficiency is high.

The invention discloses a hydrogen storage tank pressure control system of a hydrogen production, hydrogen storage and power generation closed-loop system, and relates to the technical field of hydrogen production, hydrogen storage and power generation, and the hydrogen storage tank pressure control system comprises a pressure data acquisition module which is used for acquiring internal pressure data of a hydrogen storage tank so as to monitor the internal pressure data change of the hydrogen storage tank in real time; the hydrogen output line is used for outputting hydrogen in the hydrogen storage tank, the hydrogen input line is used for inputting hydrogen into the hydrogen storage tank, the control execution module is used for controlling in and out of the hydrogen in the hydrogen storage tank, and the compression module is used for compressing the hydrogen in the hydrogen input line and increasing the pressure. The hydrogen flow rate monitoring module is used for monitoring the flow rate of hydrogen in the hydrogen output line and monitoring the flow rate of hydrogen in the hydrogen input line. The execution module and the compression module are controlled based on the stepped control model, so that the hydrogen flow rate in the hydrogen output line and the hydrogen flow rate in the hydrogen input line are changed until the pressure in the hydrogen storage tank is balanced.

The invention belongs to the technical field of hydrogen storage, and particularly relates to a solid hydrogen storage tank and an explosion suppression control method thereof. The solid hydrogen storage tank comprises a tank body, at least one monitoring module, at least one explosion suppression device and a control module, the tank body comprises a tank shell and an airflow speed limiter, an inner cavity is formed in the tank shell, and the airflow speed limiter is arranged in the tank shell. The monitoring module is arranged on the peripheral wall of the tank shell and used for collecting pressure and temperature in the inner cavity. And the at least one explosion suppression device is arranged on the peripheral wall of the tank shell and can spray an explosion suppression material towards the inner cavity. The control module is connected with the monitoring module and the explosion suppression device and controls the explosion suppression device according to monitoring information sent by the monitoring module. Wherein the airflow speed limiter is connected with a hydrogen output pipeline and is used for adjusting the flow of hydrogen entering the hydrogen output pipeline according to the pressure in the inner cavity. According to the solid-state hydrogen storage tank provided by the invention, the safety level of the solid-state hydrogen storage tank is greatly improved in a mode of combining active safety defense and passive safety adjustment.

The utility model discloses a healthy water nourishing machine with an electrolytic hydrogen production water and membrane wire hydrogen mixing system. The healthy water nourishing machine comprises a water purifier module, an electrolytic hydrogen production water module and a membrane wire hydrogen mixing module, the alkaline electrolytic bath and the pressure membrane filament gas mixing unit are arranged on the water outlet main channel; the water outlet auxiliary channel conveys water to the membrane wire water tank; the proton membrane electrolytic bath, the membrane filament water tank and the membrane filament water pump are communicated through a membrane filament electrolysis water path; a hydrogen output gas path is arranged at the hydrogen generation end of the proton membrane electrolytic cell; and the hydrogen output gas path is connected with the pressure membrane wire gas mixing unit and can dissolve hydrogen into the water outlet main channel. According to the utility model, the technical bottleneck of the traditional single process is successfully broken through by innovatively integrating electrolytic hydrogen production water and membrane wire hydrogen mixing double systems, the stability of the core physical and chemical indexes of the electrolytic water is ensured by the double-channel shunting waterway design, and the hydrogen content is greatly increased through physical hydrogen mixing, so that healthy water which conforms to the indexes and is sterilized by ultraviolet rays is formed.

The invention provides an intelligent filtering control method for a hydrogen storage tank of a wind-solar coupled electrolytic hydrogen production system, which comprises the following steps: designing a filter, dynamically adjusting the cut-off frequency of the filter according to the time constant of the hydrogen storage tank, and finding the optimal filter order through an optimization mechanism; the current working condition is judged according to the hydrogen charging and discharging state of the hydrogen storage tank, and a proper type is selected from an FIR filter, an IIR filter and a self-adaptive hybrid filter according to different working conditions; the hydrogen production process is filtered, and the hydrogen charging and discharging amount of a hydrogen storage tank is adjusted according to the difference between the target hydrogen production rate and the actual hydrogen production rate, so that smooth hydrogen output is obtained; and evaluating the performance of the hydrogen production system according to the fluctuation ratio in the hydrogen output process, and readjusting the parameters of the filter according to the evaluation result. According to the invention, appropriate filter types are dynamically selected according to different working conditions, so that a relatively smooth hydrogen output rate is realized, the stability of the system is ensured, and the requirements of subsequent large-scale industrial production are met.

The utility model discloses an electrolytic cell polar plate of rainbow shape runner and hydrogen generator, electrolytic cell polar plate of rainbow shape runner includes electrolytic polar piece body, and the opposite two sides of electrolytic polar piece body are provided with first recess and second recess respectively, the second recess is connected with hydrogen output channel, the first recess is connected with electrolyte input channel and electrolyte output channel, and is provided with first main stream groove, second main stream groove and a plurality of first branch stream groove in the first recess, and the first main stream groove is surrounded in the periphery of a plurality of first branch stream groove, and the second main stream groove penetrates first branch stream groove, and both ends are communicated with first main stream groove, be provided with fourth main stream groove, fifth main stream groove and a plurality of second branch stream groove in the second recess, and the fourth main stream groove is surrounded in the periphery of a plurality of second branch stream groove, and the fifth main stream groove penetrates second branch stream groove, and both ends are communicated with fourth main stream groove. The utility model can reduce the flow resistance of electrolyte, and make hydrogen gas bubble in branch runner fast discharge, reduce bubble stagnation risk.

The invention discloses an automatic emptying system for gas leakage of a hydrogen container, which relates to the technical field of new energy, and comprises a sensor group, a hydrogen valve group, an emergency stop equipment group, a sound-light alarm group and an inert gas valve group which are in signal connection with a controller group, and a container module is provided with a hydrogen cylinder group and an inert gas cylinder group, the hydrogen valve sets are arranged at the joints of hydrogen cylinders of the hydrogen cylinder set, the inert gas valve sets are arranged on the gas cylinders of the inert gas cylinder set, a hydrogen output pipeline and a hydrogen input pipeline are arranged on the side face of the container module, an inert gas input pipeline is further arranged on the side face of the container module, and an emptying structure is arranged at the top of the container module. The emptying structure is a cuboid protrusion, and a plurality of emptying openings are formed in the four side edges of the emptying structure in an arrayed mode. The inert gas cylinder group is controlled by the sensor group and the controller group to quickly release inert gas to discharge leaked hydrogen out of the container module, and the container module is filled with the inert gas for protection.

The invention relates to the technical field of hydrogen production, in particular to a wind and light fluctuation SOEC hydrogen production hydrogen circulation loop system and a control method. A pressure regulator; the two parallel hydrogen flow paths comprise a large-flow hydrogen flow path and a small-flow hydrogen flow path which are mutually exclusive and connected in parallel; the output flow of the liquid water supply device is associated with the actual current of the SOEC electrolytic cell, and the hydrogen output flow of the backflow output port of the flow distributor is associated with the output flow of the liquid water supply device in the first step. And the large-flow hydrogen flow path and the small-flow hydrogen flow path are associated with the output flow of the liquid water supply device in the second step. According to the hydrogen circulation loop system and the control method, the hydrogen circulation loop system and the control method are suitable for fluctuating wind and light energy for hydrogen production, hydrogen fluctuation backflow following is achieved, meanwhile, the pressure in hydrogen circulation is kept stable, the stability and durability of the system are improved, the hydrogen production amount is increased, and cost is reduced and efficiency is improved.

The invention discloses a control method and device of a hydrogen production system, the hydrogen production system and electronic equipment, and belongs to the technical field of hydrogen production. The method comprises the steps that information of hydrogen using stations and hydrogen using requirements of all the hydrogen using stations are obtained; dividing each hydrogen production unit in the hydrogen production station according to the information of the hydrogen use station and the hydrogen use demand of each hydrogen use station to obtain a plurality of hydrogen production groups, and setting the state of a valve between the hydrogen output end of each hydrogen production unit in each hydrogen production group and hydrogen output buffer equipment, by setting the state of the valve between the hydrogen output end of each hydrogen production unit in each hydrogen production group and the hydrogen output buffer equipment, different hydrogen use scenes can be selected, the resources of the hydrogen production station are fully utilized, the fluctuation influence between different hydrogen use scenes is avoided, the efficient and flexible operation of the hydrogen production station is facilitated, and the hydrogen production efficiency is improved. And the control freedom degree and practicability of the hydrogen production station are improved.

The invention discloses a compact-structure energy-saving type ammonia decomposition hydrogen production machine, and relates to the technical field of hydrogen preparation, the compact-structure energy-saving type ammonia decomposition hydrogen production machine comprises a control system, a hydrogen output tank arranged on one side of the top of a bottom plate and located on one side of the control system, and an ammonia reaction tank arranged on one side of the top of the bottom plate and located on one side of the hydrogen output tank; a high-pressure adsorption tank body is arranged on the other side of the top of the placement bottom plate and located on one side of the ammonia gas reaction tank body, a cooling separation tank body is arranged on the other side of the top of the placement bottom plate and located on one side of the high-pressure adsorption tank body, and a drying separation tank body is arranged on the other side of the top of the placement bottom plate and located on one side of the cooling separation tank body; a high-pressure output side pipe is arranged at the top of the side wall of the high-pressure adsorption tank body, a low-pressure circulation side pipe is arranged at the bottom of the side wall of the high-pressure adsorption tank body, and the high-pressure output side pipe and the low-pressure circulation side pipe are both communicated with the cooling separation tank body and the drying separation tank body. The device is compact in structure, small in occupied area, easy to operate and low in energy consumption.

The utility model relates to a kind of pipeline arrangement system of multiple vertical hydrogen storage bottles of vehicle, multiple hydrogen storage bottles are provided with bottle mouth valve and bottle tail valve, bottle mouth valve is connected with bottle mouth discharge pipeline and hydrogen inlet and outlet pipeline, bottle tail valve is connected with bottle tail discharge pipeline, bottle tail discharge pipeline is connected after being summarized with discharge main pipeline, hydrogen inlet and outlet pipeline is also connected with hydrogen outlet pipeline after being summarized, two groups of pressure regulating combination valves are connected in parallel on hydrogen outlet pipeline, end is connected with the interface to the battery pack of vehicle battery pack engine, the downstream hydrogen supply pipeline of two pressure regulating combination valves is connected with discharge main pipeline by needle valve. The discharge port of bottle mouth discharge pipeline and bottle tail discharge pipeline makes the orderly centralized discharge of hydrogen of overall pipeline, avoid excessive internal pressure of pipeline, hydrogen outlet pipeline is connected in parallel with two groups of pressure regulating combination valves, the hydrogen output of two groups of pressure regulating combination valves is simultaneously regulated to stable hydrogen flow by pressure reduction, ensure the hydrogen pressure and flow of output, meet the requirement of vehicle combustion.

The application provides a hydrogen circulation system offline calibration device and method for a fuel cell, which comprises a hydrogen circulation system of a fuel cell to be calibrated, a hydrogen flow consumption device, a pressure sensor, a first flow meter and a controller. The first flow meter is used for measuring the hydrogen output of the hydrogen circulation system of the fuel cell to be calibrated, and the pressure sensor is used for measuring the inlet pressure of the hydrogen circulation pump of the hydrogen circulation system of the fuel cell to be calibrated. The hydrogen flow consumption device is used for simulating the hydrogen consumption. The controller calculates the hydrogen output demand, the hydrogen consumption demand and the anode inlet pressure value corresponding to each discrete current value according to the stack parameters of the fuel cell. In the calibration process, the parameter calibration value of the hydrogen circulation system under each discrete current value is obtained. The offline map can be quickly and accurately calibrated, and the calibration efficiency is effectively improved. The application is suitable for the technical field of fuel cells.

The invention discloses an alkaline electrolytic cell regulation variable priority determination method and a related device, the correlation between different state variables is considered through a correlation matrix, through a first-order variance contribution matrix and a total variance contribution matrix, the influence of a regulation variable on a single state variable is considered, and the priority of the regulation variable is determined through the first-order variance contribution matrix and the total variance contribution matrix. The interaction of each regulation and control variable in a plurality of state variables is also considered, correlation and variance contribution are incorporated into a sensitivity analysis framework, and the sensitivity of each preset moment regulation and control variable to the state variables can be determined, so that the priority of each preset moment regulation and control variable can be determined, and a proper regulation and control strategy can be conveniently formulated and implemented; the operation efficiency and the control precision of the alkaline electrolytic cell are remarkably improved, the hydrogen output is optimized, and the overall performance is enhanced.

The invention discloses a hydrogen combustion chamber injection structure and a hydrogen fuel combustion chamber, comprising: a head pipe network arranged at the head of a flame tube; the head pipe network comprises a plurality of annular pipes and radial pipes, the annular pipes are arranged in the same radial plane of the flame tube, the annular pipes are arranged at intervals in the radial direction of the flame tube, and the adjacent annular pipes are communicated through the multiple radial pipes; the annular pipe located on the outermost side is connected with at least one hydrogen inlet pipe, and a plurality of hydrogen output holes are formed in the annular pipes and / or the radial pipes. A gap is formed between every two adjacent radial pipes, and an air conveying channel is defined by the two annular pipes communicating with the radial pipes. A traditional flame tube head structure is replaced with the head pipe network, the axial size is greatly shortened, the weight is reduced, and the strict space requirement of an aero-engine for a compact combustion chamber is met. And the hydrogen channel is tubular and has no local flowing dead zone, so that the hydrogen in the channel is more easily and completely discharged through nitrogen blowing, and tempering can be avoided.

The utility model discloses a kind of hydrogen production devices of cylindrical hydrogen fuel cell, including upper rotary cover and lower rotary seat in the shape of cylinder;Upper rotary cover and lower rotary seat are connected using the mode of rotary clamping;Upper rotary cover is equipped with hydrogen output port;Lower rotary seat is built into baffle seat;Baffle seat is made of baffle and several mounting seats, and the baffle on the bottom of mounting seat is equipped with through-hole;Space between lower rotary seat and baffle seat is equipped with battery and pump;Water tank, hydrogen reactor and dryer are respectively installed in mounting seat;The input end and output end of pump are connected water tank and hydrogen reactor by pipeline;The gas outlet of hydrogen reactor is connected dryer by pipeline, and dryer is connected hydrogen output port by pipeline.The utility model aims at providing a kind of hydrogen production devices of cylindrical hydrogen fuel cell, which adopts cylindrical shell, is convenient for holding and carrying, and baffle seat makes internal structure distribution compact, effectively improves safety.

The utility model discloses a human body hydrogen absorption machine respiration sensing control system which comprises a hydrogen production machine, a circuit control module, a hydrogen output port and a pressure sensor are arranged on the hydrogen production machine, the pressure sensor is connected to an output pipeline, connected with a human body, of the hydrogen output port, and the circuit control module is in signal connection with the pressure sensor. According to the breathing sensing control system of the human body hydrogen absorption machine, the pressure sensor is arranged to detect the pressure of hydrogen on the pipeline connected with the human body in real time, the circuit control module obtains the pressure value detected by the pressure sensor, when the human body is separated from the equipment, the hydrogen production machine is stopped from outputting hydrogen in time, and the safety coefficient of the use environment is improved.

The utility model provides a hydrogen energy gas appliance, which comprises a shell, a gas inlet pipe and a gas outlet pipe, the furnace core is arranged in the shell, a hydrogen input hole and a plurality of hydrogen output holes are formed in the furnace core, the hydrogen output holes are communicated with the hydrogen input hole, and the hydrogen input hole is externally connected with a hydrogen supply device; the plurality of furnace ends are correspondingly connected with the plurality of hydrogen output holes, and the furnace ends are exposed out of the furnace frame; a plurality of fuel gas holes are formed in the upper end of the furnace end, and the fuel gas holes are communicated with the hydrogen output hole; and the igniter is arranged on the furnace core, and the upper end of the igniter is exposed out of the furnace frame. According to the hydrogen energy gas appliance, the closed furnace frame is adopted, hydrogen can be prevented from escaping, the connecting pipeline of the furnace end and the furnace core is not provided with an air hole channel, air can be prevented from being mixed in, and pure hydrogen combustion is achieved; meanwhile, compared with a traditional gas appliance design, the phenomena of hydrogen embrittlement, tempering, thermo-acoustic oscillation and the like can be reduced.

The utility model belongs to the technical field of hydrogen production, and particularly relates to a hydrogen-rich water hydrogen production system which comprises a case, a water tank, a water filtering system, an electrolytic bath, a two-way pump and a reflux pump, a supporting base is arranged in the box body, the water tank is arranged on the supporting base, and the water filtering system is arranged in the box body and connected with the water tank. The electrolytic cell is arranged in the supporting seat, a hydrogen output port of the electrolytic cell is connected with the hydrogen output pipe, another output port is connected with the reflux pump, the reflux pump is connected with the water tank, an input port of the electrolytic cell is connected with a first connector of the two-way pump, and a second connector of the two-way pump is connected with the water tank; the two-way pump is further provided with a one-way output port which is connected with a drainage pipe. After the electrolytic bath is used for a period of time, the two-way pump outputs in the reverse direction, water in the water tank can enter the electrolytic bath through the reflux pump and the oxygen output pipe, and then the water in the electrolytic bath is pumped out through the two-way pump and output from the one-way output port. And therefore, the effect of reversely cleaning the interior of the electrolytic bath is achieved.

This invention discloses a pressurized heat exchange hydrogen supply device and method for a solid-state hydrogen storage system, relating to the field of solid-state hydrogen storage technology. The device includes: a filter for filtering hydrogen output from the solid-state hydrogen storage system; a first hydrogen booster for increasing hydrogen pressure to a target range; a first heat exchanger for reducing the pressurized hydrogen to a preset temperature range; a regulating valve for regulating hydrogen flow rate; and a pressure transmitter, temperature transmitter, and flow meter for measuring hydrogen pressure, temperature, and flow rate, respectively. A PLC dynamically adjusts the operating status of the first hydrogen booster, the opening of the regulating valve, and controls the start and stop of the first heat exchanger. This invention integrates the pretreatment unit, the pressurized heat exchange unit, and the flow regulation unit into a single unit. It employs an automatic control system with a PLC controller at its core, combining the real-time acquisition of outlet parameters by the temperature transmitter, pressure transmitter, and flow meter to dynamically adjust the opening of the flow regulating valve, achieving constant control of the output pressure or flow rate.

This invention discloses a mobile hydrogen booster device, comprising: a chassis; a two-stage booster pump; a hydrogen output module for connecting to a gas cylinder; a hydrogen module including a hydrogen interface, a hydrogen inlet pipe, and a hydrogen outlet pipe; and a compressed air module including a compressed air interface, a compressed air inlet pipe, and a compressed air outlet pipe. The compressed air inlet pipe includes a compressed air three-way valve and a pneumatically controlled three-way valve. A pilot air check valve, a pilot air pressure reducing valve, a pilot air three-way valve, and a pilot valve are sequentially arranged on the first pipe, with the pilot valve connected to the front end of the hydrogen output module. A compressed air pressure reducing valve and a compressed air speed regulating valve are sequentially arranged on the second pipe. This invention, by setting up a multi-functional compressed air module, automatically controls the pilot valve to open when the pressure in the hydrogen outlet pipe reaches the rated pressure, cutting off the flow of driving air into the two-stage booster pump, thus achieving automatic gas supply cut-off. This results in a high degree of automation and high safety.

The invention relates to a solid-state hydrogen storage device and method, and the device comprises a solid-state hydrogen storage unit which comprises a solid-state hydrogen storage module, a solid-state hydrogen storage hot water unit and a solid-state hydrogen storage cold water unit; the water electrolysis hydrogen production unit comprises an electrolyte tank and a discharge electrode, and the discharge electrode is electrically connected with the power supply unit; the heat removal unit is used for transferring the heat of the electrolytic hydrogen production reaction in the electrolyte in the electrolyte tank to the solid hydrogen storage hot water unit; the hydrogen output end of the solid hydrogen storage module is connected with the hydrogen utilization unit; and the control unit is electrically connected with the solid-state hydrogen storage module, the solid-state hydrogen storage hot water unit, the solid-state hydrogen storage cold water unit, the water electrolysis hydrogen production unit and the heat removal unit, and is used for dynamically regulating and controlling the hydrogen absorption process and the hydrogen desorption process of the solid-state hydrogen storage module and the electrolysis hydrogen production reaction of the water electrolysis hydrogen production unit. The method has the advantages of being low in energy consumption, safe and green, and the problem that the fluctuation characteristic of new energy power generation contradicts with the stability requirement in the operation process of the hydrogen utilization unit is solved.

The utility model relates to the technical field of pure water electrolysis hydrogen production, in particular to a hydrogen flow control device, which is technically characterized by comprising two screwed joints, the two screwed joints are respectively used for being connected with a gas outlet of a drying tower, one end, deviating from the drying tower, of each screwed joint is connected with a hydrogen filter, and the other end, deviating from the drying tower, of each screwed joint is connected with a valve. First connecting joints are arranged at the ends, deviating from the threaded joints, of the hydrogen filters, the ends, deviating from the hydrogen filters, of the first connecting joints communicate with one another through second connecting joints, one end of each second connecting joint serves as a hydrogen output port, and all the parts communicate with one another through pipelines. The hydrogen flow control device adopts a standardized design, and is suitable for various PEM water electrolysis hydrogen production systems which are small in gas production rate and use a two-tower process. And moreover, the types and specifications of the used components and pipelines are fixed, and meanwhile, the device can be separated from an equipment production line and can be independently prefabricated and assembled in batches.

This application discloses a green hydrogen coupled coal chemical integrated scheduling and control method and system. The method includes: outputting control commands for wind farms, photovoltaic farms, and energy storage systems, and generating real-time commands for total hydrogen production load; generating power commands and start / stop commands for each electrolyzer; forming APC control commands for the electrolyzers and green hydrogen output optimization setting commands; optimizing the internal control loops of each electrolyzer using APC control; and forming hydrogen-to-carbon ratio control commands based on the green hydrogen output optimization setting commands and real-time status feedback from the coal chemical methanol synthesis unit. Using the scheme in this application, a full-chain, multi-level intelligent scheduling and advanced control system is constructed, encompassing renewable energy forecasting, source-grid-load-storage coordination, fine control of the electrolyzer cluster, and downstream coal chemical hydrogen-to-carbon ratio optimization. This achieves deep coupling and efficient collaboration between the green energy production end and the coal chemical application end.

The application discloses a carbon dioxide hydrogenation synthesis methanol system and method, relates to the technical field of methanol synthesis, and comprises a PEM electrolysis hydrogen production unit, a hydrogen pressure reducing valve, a direct air carbon capture unit, a carbon dioxide pressure reducing valve, a first buffer tank, a pressure increasing unit, a second buffer tank and a reaction unit. The hydrogen output end of the PEM electrolysis hydrogen production unit is connected with the input end of the hydrogen pressure reducing valve, the output end of the hydrogen pressure reducing valve is connected with the inlet of the first buffer tank, the carbon dioxide output end of the direct air carbon capture unit is connected with the input end of the carbon dioxide pressure reducing valve, the output end of the carbon dioxide pressure reducing valve is connected with the inlet of the first buffer tank, the outlet of the first buffer tank is connected with the input end of the pressure increasing unit, the output end of the pressure increasing unit is connected with the inlet of the second buffer tank, and the outlet of the second buffer tank is connected with the reaction unit. The application can realize the cooperation of stable pressure of a gas source, uniform mixing, efficient pressure increasing and stable reaction, reduces equipment investment and energy consumption, and is suitable for a green electricity driven operation scene.