599results about "Hydrogen separation" patented technology

The invention relates to the field of gas-water separation, in particular to a gas-water separation device which comprises a separation device body, a gas-water input pipe is arranged at the bottom of the side end of the body, a horizontal cavity is formed in the body, a plurality of dehumidification air cushions arranged side by side are arranged in the horizontal cavity, and horizontal filtering baffles are fixedly installed at the lower ends of the dehumidification air cushions. The gas-water separator combines a baffle type and a centrifugal type for gas-water separation, so that the separation efficiency is greatly improved. And through cooperative control of the humidity sensor and the temperature sensor, accurate gas-water separation management is realized. The humidity control part ensures that gas enters a proper separation area by switching baffle plate paths, and the temperature control part heats through an electrothermal film and cools through a heat dissipation copper sheet, so that the gas-water separator always operates in an optimal temperature interval. In combination with a lag control mechanism, the system can effectively avoid frequent switching caused by environmental humidity fluctuation, reduce energy consumption, prolong the service life of equipment, and ensure long-term stable operation of the fuel cell system.

A method for Carbon Dioxide (CO2) production comprising producing super-heated steam, utilizing a small modular nuclear reactor power plant system, receiving Sodium Formate (HCOONa) into a first reaction chamber, the first reaction chamber receiving a first portion of the super-heated steam at a first temperature, decomposing the Sodium Formate (HCOONa) into Sodium Oxalate ((COO)2Na2) and Hydrogen (H2), receiving the Sodium Oxalate ((COO)2Na2) into a second reaction chamber, the second reaction chamber receiving a second portion of the super-heated steam at a second temperature, decomposing the Sodium Oxalate ((COO)2Na2) into Sodium Oxide (Na2O), Carbon Monoxide (CO), and Carbon Dioxide (CO2).

The invention provides a biomass and coal complementary gasification decarburization and hydrogen production method and system.The method comprises the steps that biomass is dried to generate dry biomass, one part of the dry biomass enters a combustor, the other part of the dry biomass and pretreated coal form pyrolysis fuel, and the pyrolysis fuel enters a pyrolysis furnace; the dry biomass and the hot air are combusted in the combustor to generate heat and first flue gas; the heat and the first flue gas are adopted to supply heat to a gasification furnace, coke from a pyrolyzing furnace is gasified, and synthesis gas is generated; second flue gas is discharged after the first flue gas supplies heat to the gasification furnace, the second flue gas supplies heat to the pyrolysis furnace, pyrolysis fuel is pyrolyzed, coke is generated, pyrolysis gas is fed back to the gasification furnace, and the coke is fed back to the pyrolysis furnace; the synthesis gas and the pyrolysis gas form a first mixed gas, tar is removed through tar separation, and a pure mixed gas is generated; and after the pure mixed gas is subjected to water vapor shift reaction and carbon capture, hydrogen with relatively high purity is obtained. According to the invention, carbon-hydrogen component complementation of coal and biomass is realized, the yield of gaseous products is increased, and the overall carbon emission is effectively reduced.

A system for hydrogen recovery includes a dryer having an inlet that may be fluidly connected to a hydrogen outlet of a hydrogen generator, a hydrogen using device having an inlet fluidly connected to a dry hydrogen outlet of the dryer, and one or more conduits fluidly connecting a wet hydrogen outlet from the dryer and an impure hydrogen exhaust outlet of the hydrogen using device to the inlet of the dryer.

A system for hydrogen recovery includes a dryer having an inlet that may be fluidly connected to a hydrogen outlet of a hydrogen generator, a hydrogen using device having an inlet fluidly connected to a dry hydrogen outlet of the dryer, and one or more conduits fluidly connecting a wet hydrogen outlet from the dryer and an impure hydrogen exhaust outlet of the hydrogen using device to the inlet of the dryer.

The utility model discloses hydrogen purification equipment and an ammonia production system, and relates to the technical field of hydrogen purification, and the hydrogen purification equipment comprises an air separation device, a hydrogen production device, a heat exchange part and a filtering part; the air separation device is provided with a refrigerant discharge pipe; the hydrogen production device is provided with a hydrogen discharge pipe; the heat exchange part is provided with a refrigerant inlet end, a hydrogen inlet end and a hydrogen outlet end, the refrigerant discharge pipe is communicated with the refrigerant inlet end, the hydrogen discharge pipe is communicated with the hydrogen inlet end, and a refrigerant discharged by the refrigerant discharge pipe and hydrogen discharged by the hydrogen discharge pipe can be subjected to heat exchange; the filter is provided with an inlet end and an outlet end which are mutually communicated; the inlet end is communicated with the hydrogen outlet end; according to the technical scheme, the utilization rate of hydrogen is increased.

The utility model relates to the field of waste gas purifiers, in particular to a waste gas purification device for hydrogen-oil-gas separation, which comprises a rectangular bottom plate, an oil-gas separation box is arranged on the bottom plate, a hydrogen purification tank is fixedly connected onto the bottom plate, and a filter box is fixedly connected onto the bottom plate. When the oil-gas separation device is used, oil can be separated through the oil-gas separation box, heavy oil flows out from the lower part of the oil-gas separation box through the oil outlet pipe, the first electromagnetic valve controls the oil to flow in the oil outlet pipe, and light waste gas enters the hydrogen purification tank from the first gas outlet pipe after being preliminarily filtered by the first filter screen; the palladium alloy separation pipe in the hydrogen purification tank is used for separating hydrogen in the waste gas, and the filter box is used for further filtering the waste gas after hydrogen purification, so that the filter effect is better, air pollution is avoided, and the hydrogen in the waste gas can be recycled.

An integrated energy system comprising a power plant including at least one nuclear reactor and an electrical power generation system a syngas generation system operably coupled to the power plant, the syngas generation system comprising a first reaction chamber configured to receive Sodium Formate (HCOONa), and a second reaction chamber configured to receive Sodium Oxalate ((COO)2Na2), and a methanol generation system operably coupled to the syngas generation system.

According to the hydrogen-electricity conversion system based on the solid-state hydrogen storage material, in the system, a hydrogen release tank is a packaging unit for packaging the solid-state hydrogen storage material, a liquid-phase buffer tank contains water, the liquid-phase buffer tank is connected with the hydrogen release tank, and the solid-state hydrogen storage material is stored in the liquid-phase buffer tank. The water adding pump is connected with the liquid-phase buffer tank so as to inject water in the liquid-phase buffer tank into the hydrogen release tank to complete a hydrolysis reaction to generate hydrogen; the washing gas is connected with the hydrogen release tank so as to remove impurities from small solid particles and part of water vapor in the hydrogen; the hydrogen cooler is connected with the scrubber tank to cool the hydrogen; the water separator is connected with the hydrogen cooler so as to separate water vapor in the hydrogen; a fuel cell system is connected to the water separator to generate power based on the hydrogen. The system is stable in reaction and high in safety.

The utility model relates to the technical field of hydrogen production equipment, and provides a continuous controllable magnesium hydride hydrolysis hydrogen production device which comprises a tank body, the lower end of the tank body is provided with a material inlet; a supporting seat is mounted in the material inlet / outlet; a telescopic spring is arranged in the supporting seat; a gas outlet is formed in the top of the tank body; a water inlet is formed in the top of the tank body; a motor is arranged at the top of the tank body, and the output end of the motor is connected with a rotary cutter through a magnetic sealing piece; the magnetic sealing element is communicated with the water inlet; the rotary cutter is positioned at the top of the inner cavity of the tank body; the rotary tool comprises a circular rotary platform and a plurality of tool bits arranged on the circular rotary platform. And a water nozzle for spraying water is arranged on the tool bit. According to the utility model, the continuity of hydrolysis reaction can be enhanced, and the influence on the reaction due to the generation of an additional magnesium hydroxide adhesion layer is effectively prevented.

The invention relates to the technical field of methanol resource utilization, and discloses a system for preparing methanol based on SOEC-CH4 electrolysis, which is characterized in that a cathode subsystem main body reacts to generate water vapor and H2 mixed gas, the water vapor and H2 mixed gas are condensed and separated to obtain H2, and most of H2 is conveyed to an H2 storage buffer tank and stored; the anode subsystem for preparing CO2 comprises a CH4 tank, an anode subsystem main body and an electrolytic bath anode of an SOEC electrolytic bath which are communicated in sequence, and the anode subsystem main body reacts to generate water vapor, CH4 and CO2 mixed gas; the mixed gas of the water vapor, CH4 and CO2 is subjected to condensation and adsorption separation to obtain CO2, and most of CO2 is conveyed to a CO2 storage buffer tank to be stored; and the methanol preparation subsystem reacts to obtain methanol. According to the system for preparing methanol through electrolysis, methane is introduced to prepare carbon dioxide, the technical problems of high energy consumption and low comprehensive utilization rate of waste heat and wastewater are solved, and cost is greatly reduced to prepare methanol.

The utility model relates to a hydrogen purification system based on magnesium-based hydride, which comprises a buffer tank, a gas inlet of the buffer tank is connected with a discharge end of a hydrogen purification module through a first gas path header pipe, and a vacuum pump is mounted on the first gas path header pipe in a matched manner. An exhaust port of the buffer tank is connected with a feeding end of the hydrogen purification module through a second gas path header pipe, a metal hydrogen storage material is arranged in the hydrogen purification module, and a feeding port of the buffer tank is connected with an exhaust port of the feed gas storage device through a third gas path header pipe. By arranging the hydrogen purification module, hydrogen components in raw material gas can be absorbed based on magnesium hydride, and compared with some traditional physical and chemical purification schemes, the production cost is low; meanwhile, the number of hydrogen storage tanks in the hydrogen purification module can be reasonably set according to purification requirements, the use flexibility is good, the purity of obtained hydrogen is high, no other impurity gas is mixed in the purification process, and the working efficiency of the system is high.

Systems and methods for synthesizing ammonia include one or more electrochemical hydrogen pumps to recover excess hydrogen gas from the ammonia synthesis product stream. The systems and methods improve overall yield and efficiency of the ammonia production process by separating and purifying hydrogen gas that otherwise would be lost.

The utility model relates to the technical field of gas-liquid separation, and discloses a gas-liquid separation system of electrolytic bath test equipment, which comprises a first-stage gas-liquid separation tank, an injection port is fixedly connected to the outer wall of the first-stage gas-liquid separation tank, a second-stage gas-liquid separation tank is arranged on the outer wall of the first-stage gas-liquid separation tank, and the injection port is fixedly connected to the injection port. A gas exhaust port is formed in the top of the second-stage gas-liquid separation tank, a drain valve is arranged at the bottom of the second-stage gas-liquid separation tank, the drain valve is provided with a drainage assembly, and the drainage assembly is used for discharging liquid water in the second-stage gas-liquid separation tank. According to the gas-liquid separation system, liquid enters the drainage system through the steam trap after passing through the gas-liquid separation tank, gas upwards passes through the gas exhaust port, and generated hydrogen and oxygen are subjected to gas cooling and water separation treatment through the first-stage gas-liquid separation system and the second-stage gas-liquid separation system of the system, so that the problem that the water content of a gas source is relatively high is solved, and the flow measurement precision is improved.

The invention relates to the technical field of vehicles, in particular to a hybrid power system, a vehicle and a control method.The system comprises an ammonia engine and a fuel cell; the storage and conversion assembly is used for gasifying the stored liquid ammonia into first-path gaseous ammonia and second-path gaseous ammonia; the ammonia catalytic reforming device is used for catalytically reforming the second gaseous ammonia into a first path of hydrogen and a second path of hydrogen, the first path of gaseous ammonia and the first path of hydrogen are fed into an ammonia engine, and the ammonia engine utilizes mixed gas of the first path of gaseous ammonia and the first path of hydrogen for combustion; the hydrogen purification device is used for purifying the second path of hydrogen to obtain a third path of hydrogen, the third path of hydrogen is fed into the fuel cell, and the fuel cell utilizes the third path of hydrogen for combustion. Therefore, the problems that the ammonia engine and the hydrogen-oxygen fuel cell are difficult to be directly integrated together to be applied to the hybrid power system, the energy utilization efficiency is not high when the ammonia engine and the hydrogen-oxygen fuel cell are cooperatively applied to the same hybrid power system, and the working point of the engine cannot be effectively controlled in the prior art are solved.

The invention discloses a method for preparing CNTs and hydrogen-rich gas through sludge pyrolysis, sludge is subjected to pyrolysis after being conditioned by ferric salt, pyrolysis gas is collected and reduced under the action of a Ni-Fe / NF catalyst, the Ni-Fe / NF catalyst is prepared and obtained, and the Ni-Fe / NF catalyst is obtained by dipping foamed nickel in a mixed solution containing nickel nitrate and ferric nitrate and reducing the foamed nickel. Under the action of the Ni-Fe / NF catalyst, on the basis of not changing pyrolysis conditions and not influencing preparation of pyrolytic carbon and pyrolytic oil by sludge pyrolysis, the pyrolysis gas is synchronously converted into the Ni-Fe / NF catalyst with higher value, so that the economic values of the sludge and the pyrolysis gas are improved, the influence on the environment is reduced, and the engineering application of the sludge pyrolysis technology is favorably realized.

The present invention relates to an alkaline electrolysis device comprising: - at least one electrolysis cell comprising a reactor chamber which comprises a hydrogen-side reactor chamber region containing the aqueous electrolyte for decomposing the aqueous electrolyte into gaseous hydrogen and an oxygen-side reactor chamber region containing the aqueous electrolyte for decomposing the aqueous electrolyte into gaseous oxygen; - a hydrogen separator connected to the hydrogen-side reactor chamber region for separating the gaseous hydrogen from the aqueous electrolyte introduced into the hydrogen separator; and - an oxygen separator connected to the oxygen-side reactor chamber region for separating the gaseous oxygen from the aqueous electrolyte introduced into the oxygen separator; wherein the hydrogen separator has a first hydrogen separator outlet for removing the aqueous electrolyte having a first hydrogen concentration and a second hydrogen separator outlet for removing the aqueous electrolyte having a second hydrogen concentration that is less than the first hydrogen concentration; and where the first hydrogen separator outlet and the second hydrogen separator outlet are connectable or connected to the reactor chamber.

A gas stream is pressurized to produce a compressed gas stream. A first portion of a fuel stream is combusted in the presence of the compressed gas stream to produce an exhaust stream. The exhaust stream is flowed to a turbine of an electric generator, thereby causing the turbine to rotate and generate power. Heat is transferred from to the exhaust stream to the compressed gas stream. Heat is transferred from the exhaust stream to a working fluid. Heat is transferred from the working fluid to a water stream for generating a steam stream. A second portion of the fuel stream is converted in the presence of oxygen and steam to produce a syngas stream. The syngas stream is separated to produce a carbon dioxide stream and a hydrogen stream. The hydrogen stream is reacted with nitrogen to produce an ammonia stream.

The utility model discloses drying equipment, a hydrogen production system and a hydrogen production station yard, and belongs to the technical field of water electrolysis hydrogen production. The drying equipment is applied to a hydrogen production system and is provided with a crude hydrogen inlet for introducing crude hydrogen to be dried, an emptying port communicated with the outside and a gas supply outlet for leading out a hydrogen product; the drying equipment comprises a regeneration gas branch and a plurality of drying devices, wherein the regeneration gas branch is used for introducing nitrogen or inert gas; the first ports of the plurality of drying devices are selectively communicated with the crude hydrogen inlet and the outlet of the regenerated gas branch, and the second ports of the plurality of drying devices are selectively communicated with the gas supply outlet and the vent nozzle. Nitrogen or inert gas is used as the regeneration gas, accidents caused by gas leakage can be avoided, the regeneration gas can be directly emptied, investment of equipment is reduced, and the drying equipment has no lower limit requirement for the crude hydrogen inlet amount, so that the drying efficiency is improved. The problems that a front-end power supply in the water electrolysis hydrogen production industry is unstable and the minimum load lower limit requirement that multiple sets of electrolytic cells are matched with a single set of drying equipment are solved.

Methods for quantifying hydrogen and evaluating hydrogen purity in materials, such as in geologic materials of a geologic unit are provided, as well as devices for performing such analyses, and other related methods or other embodiments. One exemplary aspect is a method for measuring the amount of hydrogen in a material comprising obtaining an analyzable amount of a material as a sample, subjecting the sample to one or more gentle vacuum equivalent forces that extract one or more easily released volatile substances from the sample, if present, the one or more easily released volatile substances comprising at least one hydrogen proxy, collecting at least a portion of the extracted easily released volatile substances, and measuring the amount of the at least one hydrogen proxy in the collected portion of the easily released volatile substances and using the measurement in a determination of the amount of hydrogen in the material.

The invention discloses a cascade energy supply and green hydrogen coupling biomass all-carbon directional conversion synthesis gas system and method, and belongs to the technical field of biomass energy conversion. The system comprises a first-stage gasification furnace, a second-stage gasification furnace, a gas-solid separator, an alkane reforming device, a reverse water-gas shift device and a water electrolysis device. The method comprises the following steps: pyrolyzing a biomass raw material and a catalyst in a primary gasifier (500-700 DEG C) to generate semicoke and tar-containing fuel gas; carrying out catalytic co-gasification on the semicoke and tar-containing fuel gas in a secondary gasifier (800-900 DEG C), and realizing tar cracking and CH4 reforming by using a catalyst to obtain crude synthesis gas; after being subjected to high-temperature dust removal, the crude synthesis gas sequentially passes through a self-heating alkane reforming device (CH4lt; 1%) and a reverse water-gas shift device, and finally synthesis gas with the H2 / CO ratio of 2: 1 is produced, so that the chemical application requirements of methanol, Fischer-Tropsch synthesis and the like are completely met, the high energy consumption bottleneck of a traditional process is broken, and full-life-cycle negative carbon emission is achieved.

An ironmaking method comprising the production of hot metal (2) and of a blast furnace top gas (10), the method comprising the steps of capturing at least a part of the top gas (10), separating CO2 from the captured top gas (10) so as to produce a CO2-rich stream (12) and a CO2-lean stream (11), mixing the CO2-rich stream (12) with a H2 makeup stream (30) and subjecting the obtained CO2 / H2 gas mixture to a reverse water gas shift reaction in a reactor (3) to produce a reducing stream (13) comprising CO and H2, separating H2 from the reducing stream to produce a CO- rich stream (14) and an H2-rich stream (15), mixing the H2-rich stream (15) with the CO2-rich stream (12) or with the CO2 / H2 gas mixture in the reactor (3) and subjecting the obtained gas mixture to the reverse water gas shift reaction and feeding at least a portion of the CO-rich stream 14 (13) to at least one chemical or biochemical plant (4) to produce one or more chemical products (16).

An integrated energy system comprising a power plant configured to generate steam. The power plant can include a nuclear reactor and / or an electrical power generation system. A chemical products generation system can include a first reaction chamber receiving Sodium Formate (HCOONa) that, via insertion of a first portion of the steam at a first temperature, is decomposed into Sodium Oxalate ((COO)2Na2) and Hydrogen (H2), the steam including super-heated steam. The chemical products generation system can include a second reaction chamber receiving the Sodium Oxalate ((COO)2Na2) that, via insertion of a second portion of the steam at a second temperature, is decomposed into Sodium Oxide (Na2O), Carbon Monoxide (CO), and Carbon Dioxide (CO2). A syngas generation system can be operably coupled to the chemical products generation system and configured to generate a combination of the Hydrogen (H2), the Carbon Monoxide (CO), and / or the Carbon Dioxide (CO2), and / or to generate syngas.

The invention is applicable to the technical field of hydrogen production, and provides filtering and purifying equipment for hydrogen production and a purifying method.The filtering and purifying equipment comprises a box body, a barrel body and a drying box which are arranged on a base plate; the first partition plate is fixed in the box body and is used for dividing an inner cavity of the box body into at least two independent filtering treatment chambers; and the gas inlet assembly is correspondingly matched with the filtering treatment chambers and is used for conveying hydrogen to be purified to each filtering treatment chamber. According to the filtering and purifying equipment for hydrogen production and the purifying method provided by the scheme, the box body is divided into at least two independent filtering treatment chambers through the first partition plate, and the valve on the gas inlet pipe is matched, so that when part of the filtering treatment chambers are maintained, other filtering treatment chambers can be utilized to continue working, the downtime of the equipment is greatly shortened, and the working efficiency is improved. The influence on an industrial production process is reduced.

The invention discloses a process method and device for green hydrogen energy storage, transportation and purification, the device comprises an ammonia hydrogen storage part and an ammonia hydrogen release part, hydrogen in a hydrogen source and nitrogen in a nitrogen source enter an ammonia hydrogen storage device through a pipeline, and liquid ammonia is obtained through treatment of the ammonia hydrogen storage device; liquid ammonia conveyed by the liquid ammonia conveying device is treated by the ammonia hydrogen release device to obtain purified hydrogen, a nitrogen-hydrogen mixture and an ammonia-containing product. According to the scheme, a high-concentration liquid ammonia product can be produced, helium is converted into liquid from gas, the problems of pressure and large gas volume are reduced, and the problems of difficult storage and transportation, high cost and the like are solved; all discharged gas, gas discharged gas and the like are collected and treated and then returned to be used as raw material gas, and unit consumption is lowest; waste water and waste residues in three wastes are subjected to three-in-one collection treatment, so that the method is more A raw material gas, reaction gas, steam, circulating cooling water and chilled water utilization system is optimized, and the investment and energy are saved.

The utility model discloses a hydrogen purification system. The hydrogen purification system comprises a deoxidation tower, a cooler, a drying tower, a heat exchanger and a gas-water separator, a hydrophilic wire mesh demister (14) is mounted at the upper part of the gas-water separator, and a hydrophobic coating (15) is arranged in a partial region in the gas-water separator. According to the system disclosed by the utility model, the hydrophilic wire mesh demister is additionally arranged at the top of the gas-water separator, and local hydrophobic modification is performed on the inner wall of the gas-water separator, so that the condensation of water drops is promoted, and the gas-water separation efficiency is improved; hydrogen flowing out of the regeneration drying tower is subjected to heat exchange through the heat exchanger, hydrogen entering the deoxidizing tower is preheated, and energy consumption of equipment is reduced.

The present invention relates to a technical field of separation of hydrogen and natural gas, and specifically to a device for separating natural gas and hydrogen based on a hydrate method. The device includes a plate heat exchanger, the plate heat exchanger is connected to a hydrogen-mixed natural gas pipeline, the plate heat exchanger is connected to a hydrate reactor through a pipeline, the plate heat exchanger is also connected to a propane refrigeration device, a water pipeline is connected to the hydrate reactor, the hydrate reactor is respectively connected to a hydrogen pipeline and a water-containing natural gas pipeline, the water-containing natural gas pipeline is connected to a natural gas dehydration device, the natural gas dehydration device is also connected to a dehydrated natural gas pipeline, a first natural gas pipeline is connected to the hydrate reactor, and an electric heater is provided on the first natural gas pipeline. The present invention utilizes the characteristics that hydrogen is difficult to generate hydrates, while natural gas is easy to generate hydrates under certain temperature and pressure conditions, to achieve efficient separation of hydrogen and natural gas.

The invention provides an electrolyzed water oxygen supply system for a hydrogen battery multifunctional cabin and an oxygen post-treatment method, and relates to the technical field of electrolyzed water oxygen generation. The electrolyzed water oxygen supply system for the hydrogen battery multifunctional cabin comprises an electrolyzed water device, a filtering mechanism, a purifying mechanism and a drying mechanism. Wherein the water electrolysis device is used for electrolyzing water to prepare hydrogen and oxygen; the filtering mechanism is used for filtering oxygen generated by the water electrolysis device; the purification mechanism is provided with a purification cavity carrying purification liquid, the purification liquid is hydrogen peroxide, and the purification cavity is used for receiving the filtered oxygen and purifying the filtered oxygen through the purification liquid; the purification mechanism is used for receiving and decomposing hydrogen peroxide in the purified oxygen so as to output the purified oxygen; the drying mechanism is used for drying the purified oxygen to a first preset humidity and controlling the temperature of the oxygen to a preset temperature. Oxygen with purity, humidity and temperature meeting relevant requirements can be output, and the use efficiency of the oxygen can be effectively improved on the basis of reducing the cost.

Provided are: a hydrogen separation filter which has a high hydrogen permeation rate and which prevents or reduces separation between layers; and a method for producing the hydrogen separation filter. The hydrogen separation filter includes a porous substrate and a palladium layer provided on the porous substrate. The grain boundary number density observed in a cross-sectional secondary electron image of the palladium layer is 1-5 grains / [mu] m. A method for manufacturing a hydrogen separation filter includes forming a palladium layer on a porous base material by a sputtering method while keeping the temperature of the porous base material at 300-600 DEG C.

The invention belongs to the technical field of methanol hydrogen production, and discloses an online methanol hydrogen production global control system, which comprises a feeding and evaporation unit, a reforming reaction unit, a gas purification and separation unit, a hydrogen storage and supply unit, a multi-source sensor group and a controller, the controller comprises a soft measurement module, a double-layer model prediction control module and a safety degradation module, and the soft measurement module estimates CO concentration in real time based on characteristics such as a temperature field, pressure drop and heating power. The double-layer model predictive control module realizes comprehensive optimization of hydrogen purity, energy efficiency and catalyst life through combination of inner-layer steady-state control and outer-layer economic optimization, and the safety degradation module triggers limited power or inerting purging operation under abnormal conditions. According to the invention, the whole-process optimal control from feeding, reaction, purification to hydrogen supply can be realized, the hydrogen purity and the system efficiency are improved, the CO concentration fluctuation is reduced, the service life of the catalyst is prolonged, and continuous and safe hydrogen supply is still maintained under the condition of sensor failure or operation disturbance.