214 results about "Hydrogen output" patented technology

The invention discloses a VPSA hydrogen production device control method and system, and relates to the technical field of hydrogen production machines.The method comprises the steps that methyl alcohol is fed into a cracking device and cracked through a catalyst to generate hydrogen-rich gas, the hydrogen-rich gas is fed into a VPSA decarburization device, and the decarburized hydrogen-rich gas is output; introducing into an adsorption bed I to obtain high-purity hydrogen, performing pulse back flushing on an adsorption bed II by using the high-purity hydrogen, and starting a microwave generator and a vacuum pump to perform desorption; after the adsorption bed II completes desorption, switching the direction of the adsorption bed, and performing the same desorption operation on the adsorption bed I to complete regeneration of the adsorption bed I; acquiring equipment operation data in real time by using a sensor, and dynamically adjusting set data; the adsorption bed I and the adsorption bed II alternately operate, and the operation mode is adjusted in real time. By introducing a comprehensive real-time monitoring and dynamic adjusting mechanism and accurately controlling the alternate operation state of the adsorption bed I and the adsorption bed II, efficient regeneration of the adsorption beds and continuous and stable high-purity hydrogen output are realized.

A burner includes a first pulverized coal entrained fluid flow conduit; an inner hydrogen conduit; and a hydrogen oxidant conduit located between the first pulverized coal entrained fluid flow conduit and the inner hydrogen conduit; an outlet of the inner hydrogen conduit is located at a first distance from an outlet of the hydrogen oxidant conduit such that hydrogen output from the outlet of the inner hydrogen conduit reaches the outlet of the hydrogen oxidant conduit through a portion of the hydrogen oxidant conduit; the outlet of the hydrogen oxidant conduit is a second distance away from the outlet of the first pulverized coal entrained fluid flow conduit; the first pulverized coal entrained fluid flow conduit is configured such that the hydrogen and the hydrogen oxidant output from the outlet of the hydrogen oxidant conduit pass through a portion of the first pulverized coal entrained fluid flow conduit to be output from the burner.

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.

The invention discloses an isolated network green power-green hydrogen-green ammonia three-flexible coupling integrated system and an operation method. The system comprises a wind-light storage flexible power generation system, a renewable energy flexible water electrolysis hydrogen production system and a flexible low-temperature low-pressure ammonia synthesis system. The wind and light storage flexible power generation system is used for carrying out green energy power generation through wind power generation equipment and photovoltaic power generation equipment, and carrying out flexible adjustment on the output power generation amount according to a wind power and photovoltaic output curve coupled by electric energy storage equipment; the renewable energy flexible water electrolysis hydrogen production system is used for flexibly adjusting the hydrogen output quantity by starting and stopping the number of hydrogen production electrolytic cells in the hydrogen electrolysis hydrogen production device and the hydrogen energy storage equipment; the flexible low-temperature and low-pressure ammonia synthesis system is used for automatically reducing or increasing the load of the ammonia reactor and generating green ammonia according to the hydrogen output quantity of the renewable energy flexible electrolytic water hydrogen production system and the nitrogen output quantity of the air separation equipment. The problems that a stable power supply is needed for traditional ammonia hydrogen production and flexible production cannot be achieved due to the fact that traditional ammonia synthesis is limited by the narrow load application range are solved.

The invention discloses a pressure swing adsorption device of a hydrogen production system. The pressure swing adsorption device comprises a first adsorption tower, a second adsorption tower, a waste gas emission unit, a hydrogen input pipe, a hydrogen output pipe, a program control valve group and a PLC (Programmable Logic Controller) control system, according to the device, a plurality of adsorption layers are respectively arranged in the first adsorption tower and the second adsorption tower, and the pressure change of each adsorption tower in different adsorption and regeneration stages is controlled, so that the intelligent control of the pressure swing adsorption hydrogen production process is realized, and the first adsorption tower and the second adsorption tower alternately perform adsorption and regeneration; compared with the traditional two independent steps of deoxidation and drying, the method has the advantages that the influence on the purification effect of hydrogen due to flow connection is avoided, the hydrogen purification flow is efficiently integrated, and the purification effect and efficiency of hydrogen are improved; by controlling the opening and closing time and sequence of the program control valve group, when one adsorption tower performs adsorption operation, the other adsorption tower performs regeneration operation, so that the overall efficiency and yield of the system are improved.

The utility model discloses an oxyhydrogen atomizing machine which comprises a water storage tank, an electrolytic bath, an oxygen water collector, a hydrogen water collector and two groups of gas path radiators, the water outlet end of the water storage tank is connected with the water inlet end of the electrolytic bath; the electrolyte enables water to be decomposed into oxygen and hydrogen under the action of direct current in the electrolytic bath; the oxygen output end of the electrolytic bath is connected with the water inlet end of the water storage tank through a group of gas path radiators, the oxygen output end of the water storage tank is connected with the oxygen water collector, and dried and cooled oxygen is obtained after separation by the oxygen water collector; the hydrogen output end of the electrolytic bath is connected with the hydrogen water collector through the other group of gas path radiators; and dry and cooled hydrogen is obtained after separation by the hydrogen water collector. The gas path radiator is additionally arranged at the gas output end of the electrolytic bath, gas electrolyzed by the electrolytic bath is pre-cooled and then separated through the water collector, finally, dry and pure hydrogen and oxygen are obtained, and influences on subsequent gas purity, the service life of equipment and safety are effectively avoided.

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 utility model discloses a methanol reforming and electrolyzed water complementary hydrogen production system capable of balancing wind-solar power fluctuation, which relates to the technical field of hydrogen production and comprises a water tank, the water tank is connected with electrolytic bath hydrogen production equipment through a first pipeline, and a first proportional valve and a first flowmeter are arranged on the first pipeline; the methanol fuel tank is connected with the methanol steam reforming hydrogen production equipment through a second pipeline, and a second proportional valve and a second flow meter are arranged on the second pipeline; the two ends of the third pipeline are connected with the first pipeline and the second pipeline respectively, and a third proportional valve, a third flow meter and a first one-way valve are arranged on the third pipeline; and a hydrogen storage tank. According to the methanol reforming and electrolyzed water complementary hydrogen production system capable of balancing the wind-light power fluctuation, the electrolytic bath hydrogen production equipment and the methanol steam reforming hydrogen production equipment are intelligently controlled to work cooperatively according to the input wind-light power fluctuation, so that the stable hydrogen output quantity is ensured.

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 invention discloses an electric hydrogen and steam co-production system based on industrial fuel cell-steam heat pump coupling. The hybrid system mainly comprises a wind generating set, an alkaline electrolytic bath, a hydrogen tank, a proton exchange membrane fuel cell, a heat storage tank and a steam heat pump. The power generation output end of the wind driven generator is connected with the factory power grid and then connected with the alkaline electrolytic cell unit, the hydrogen output end of the alkaline electrolytic cell is connected with the hydrogen compressor and compressed into the hydrogen tank, the output end of the hydrogen tank is connected with the hydrogen input end of the fuel cell, and the power generation output end of the fuel cell is connected with the factory power grid. And industrial power energy scheduling is realized. According to the invention, heat control of the proton exchange membrane fuel cell and the alkaline electrolytic cell is realized by heat exchange between the circulating cooling water system and the heat exchanger, waste heat is upgraded by the steam heat pump and heated into saturated steam of more than 130 DEG C, and the saturated steam is connected into a chemical plant to meet steam requirements. According to the invention, unstable wind power is converted into chemical energy of hydrogen for storage.

The system comprises a coal-fired boiler power generation device, a new energy power generation device, a water electrolysis device and a storage device. The coal-fired boiler power generation device comprises a boiler, an oxygen-enriched burner and a hydrogen burner, wherein the oxygen-enriched burner and the hydrogen burner are arranged in a hearth of the boiler. The water electrolysis device is electrically connected with the coal-fired boiler power generation device and the new energy power generation device; the storage device comprises an oxygen storage tank and a hydrogen storage tank, the input end of the oxygen storage tank is connected with the oxygen output end of the water electrolysis device, and the output end of the oxygen storage tank is connected with the oxygen-enriched combustor; the input end of the hydrogen storage tank is connected with the hydrogen output end of the water electrolysis device, and the output end of the hydrogen storage tank is connected with the hydrogen combustor. The energy storage and peak regulation device has the advantages that the stable combustion capacity of a coal-fired boiler power generation device (particularly a boiler) is improved, and the energy storage and peak regulation capacity of a power plant is improved.

The invention provides a combined heat and power methanol preparation system, comprising: a hydrogen production system for preparing hydrogen by using renewable energy; a working medium input end of the methanol synthesis system is connected with a hydrogen output end of the hydrogen production system, and a steam output end of the methanol synthesis system is connected with a steam input end of the steam utilization system; the working medium input end of the gas combined power generation system is connected with the unreacted gas output end of the methanol synthesis system, and the power output end of the gas combined power generation system is connected with the power input end of the hydrogen production system and the power input end of the power utilization system; and the dead steam output end of the gas combined power generation system is connected with the steam input end of the steam utilization system. According to the combined heat and power methanol preparation system disclosed by the invention, steam and unsynthesized gas in the preparation process of methanol are utilized, and energy gradient and full utilization of the system are realized, so that the comprehensive efficiency of the system is effectively improved.

The invention provides a combined heat and power methanol and hydrogen combined cycle preparation system, comprising: a hydrogen production system for preparing hydrogen by using renewable energy; a working medium input end of the methanol synthesis system is connected with a hydrogen output end of the hydrogen production system; a working medium input end of the gas combined power generation system is connected with an unreacted gas output end of the methanol synthesis system; the working medium input end of the methanol cracking system is connected with the methanol output end of the methanol synthesis system, and the carbon dioxide output end of the methanol cracking system is connected with the working medium input end of the methanol synthesis system. According to the methanol and hydrogen combined cycle preparation system with combined supply of heat and power disclosed by the invention, steam and unsynthesized gas in the preparation process of methanol are utilized, and the methanol cracking system is utilized to prepare hydrogen, so that energy gradient and full utilization of the system are realized, and the comprehensive efficiency of the system is effectively improved.

The invention discloses a PEM electrolytic bath test system and method, and is applied to the technical field of water electrolysis hydrogen production, the PEM electrolytic bath test system is characterized in that a water outlet of a water storage and exhaust unit is connected with a deionized water inlet of a PEM electrolytic bath, and a gas inlet of the water storage and exhaust unit is connected with an oxygen outlet of the PEM electrolytic bath; the water supply test unit is arranged at the bottom of the water storage exhaust unit; a gas inlet of the gas water content testing unit is connected with a gas outlet of the water storage and gas exhaust unit; a gas inlet of the hydrogen output test unit is connected with a hydrogen outlet of the PEM electrolytic cell; the test data recording unit is respectively connected with the water supply test unit, the gas water-containing test unit and the hydrogen output test unit. Therefore, the operation time and the working current of the PEM electrolytic cell, the supply amount of the deionized water, the residual amount of the deionized water, and the water content and the hydrogen content in the mixed gas can be measured and recorded, so that the accurate measurement of the anode water seepage amount and the cathode hydrogen seepage amount can be realized.

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.

A hydrogen production system is disclosed comprises a hydrogen pyrolysis reactor which has a hydrocarbon input, an electrical input and at least one hydrogen output. The hydrogen production system als

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 a corrosion-resistant high-current-efficiency discrete circulating water electrolysis hydrogen production device, which belongs to the technical field of water electrolysis hydrogen production and comprises an electrolytic bath and a hydrogen separator mounted on a hydrogen discharge port of the electrolytic bath. The oxygen separator is mounted on an oxygen discharge interface of the electrolytic cell, a gas output port of the hydrogen separator is connected with a hydrogen comprehensive tower through a pipeline, a hydrogen output pipe is fixedly mounted at an output port of the hydrogen comprehensive tower, and a liquid output port of the hydrogen separator is fixedly connected with a hydrogen-containing return pipe; one end of the hydrogen-containing return pipe is connected with a hydrogen side pump, and an output port of the hydrogen side pump is connected with a hydrogen side filter through a pipeline. According to the invention, current flowing to bypass electrolyte can be greatly reduced, bypass current is reduced, current efficiency is effectively improved, electrochemical corrosion is reduced, the service life of an electrolytic bath is prolonged, energy consumption is greatly reduced, and the operation cost of a product is reduced.

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.

To provide a method for extracting hydrogen from a natural gas mixture.SOLUTION: A method comprises: a) a step for providing a stream including hydrogen to a first heat exchanger, for generating a heated stream; b) a step for transferring as an inlet stream, the heated stream including the hydrogen in the a) to a first film unit, for acquiring first holding liquid and first permeation liquid, where a molar fraction of the hydrogen in the first permeation liquid is higher than that in the first holding liquid, and is higher than that in the inlet stream; c) a step for transferring the first holding liquid to an electrochemical hydrogen compressor (EHC) for further separating the hydrogen and purification of the hydrogen for providing an EHC output stream; d) a step for combining the EHC output stream to the first permeation liquid, for providing a purified hydrogen output stream.SELECTED DRAWING: Figure 1