WO2015070802A1 - System and method for generating power using instantly prepared hydrogen - Google Patents

System and method for generating power using instantly prepared hydrogen Download PDF

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Publication number
WO2015070802A1
WO2015070802A1 PCT/CN2014/091142 CN2014091142W WO2015070802A1 WO 2015070802 A1 WO2015070802 A1 WO 2015070802A1 CN 2014091142 W CN2014091142 W CN 2014091142W WO 2015070802 A1 WO2015070802 A1 WO 2015070802A1
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hydrogen
subsystem
power generation
hydrogen production
water
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PCT/CN2014/091142
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French (fr)
Chinese (zh)
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向华
向得夫
孙婧菁
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上海合既得动氢机器有限公司
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Publication of WO2015070802A1 publication Critical patent/WO2015070802A1/en

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/06Combination of fuel cells with means for production of reactants or for treatment of residues
    • H01M8/0606Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
    • H01M8/0612Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material
    • H01M8/0618Reforming processes, e.g. autothermal, partial oxidation or steam reforming
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/04Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04082Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04089Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
    • H01M8/04097Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with recycling of the reactants
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/04Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04082Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04089Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
    • H01M8/04104Regulation of differential pressures
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/04Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04082Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04201Reactant storage and supply, e.g. means for feeding, pipes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/22Fuel cells in which the fuel is based on materials comprising carbon or oxygen or hydrogen and other elements; Fuel cells in which the fuel is based on materials comprising only elements other than carbon, oxygen or hydrogen
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells

Definitions

  • the invention belongs to the technical field of hydrogen preparation and application, and relates to a hydrogen power generation system, in particular to a system for generating electricity by using hydrogen produced in real time; meanwhile, the invention also discloses a method for generating electricity by using hydrogen produced immediately; .
  • Hydrogen is a colorless gas. Burning one gram of hydrogen can release 142 kilojoules of heat, which is three times the calorific value of gasoline. The weight of hydrogen is extremely light. It is much lighter than gasoline, natural gas and kerosene. Therefore, it is easy to carry and transport. It is the most suitable fuel for high-speed flight vehicles such as aerospace and aviation. Hydrogen can be burned in oxygen, and the temperature of the hydrogen flame can be as high as 2,500 ° C, so people often use hydrogen to cut or weld steel materials.
  • hydrogen is widely distributed.
  • Water is the big "warehouse” of hydrogen, which contains 11% hydrogen. About 1.5% of the hydrogen in the soil; hydrogen, coal, natural gas, animals and plants contain hydrogen.
  • the main body of hydrogen exists in the form of compound water, and about 70% of the earth's surface is covered by water, and the water storage capacity is large. Therefore, hydrogen can be said to be an "inexhaustible and inexhaustible” energy source. If hydrogen can be produced from water in a suitable way, then hydrogen will also be a relatively inexpensive energy source.
  • Hydrogen has a wide range of uses and is highly adaptable. It can be used not only as a fuel, but also as a metal hydride that has the function of converting chemical, thermal and mechanical energy.
  • hydrogen storage metals have the ability to absorb hydrogen exotherms and absorb heat and release hydrogen, which can be stored as heat and air conditioning in the room.
  • Hydrogen is used as a gaseous fuel and is first used in automobiles.
  • May 1976 the United States developed a car that uses hydrogen as a fuel; later, Japan also developed a car that uses liquid hydrogen as fuel; in the late 1970s, Mercedes-Benz, a former Federal Republic of Germany, tested hydrogen. They only used five kilograms of hydrogen, It made the car travel 110 kilometers.
  • the use of hydrogen as a fuel for automobiles is not only clean, but also easy to start at low temperatures, and has little corrosive effect on the engine, which can prolong the service life of the engine. Since the hydrogen and the air can be uniformly mixed, the vaporizer used in the general automobile can be completely omitted, thereby simplifying the construction of the existing automobile. Even more interesting is as long as 4% hydrogen is added to the gasoline. By using it as a fuel for a car engine, it can save 40% of fuel, and there is no need to improve the gasoline engine.
  • Hydrogen can easily turn into a liquid at a certain pressure and temperature, so it is convenient to transport it by rail car, road trailer or ship.
  • Liquid hydrogen can be used as fuel for automobiles and aircraft, as well as for rockets and missiles.
  • the "Apollo" spacecraft that flies to the moon in the United States and the Long March launch vehicle that launches satellites in China use liquid hydrogen as fuel.
  • the world's annual hydrogen production is about 36 million tons, most of which is made from oil, coal and natural gas, which consumes the already scarce fossil fuel; another 4% of hydrogen is electrolysis.
  • the method of water is produced, but the electric energy consumed is too much, which is not cost-effective. Therefore, people are actively exploring new methods for hydrogen production.
  • the reforming of hydrogen with methanol and water can reduce energy consumption and reduce costs in chemical production. It is expected to replace the process of "electrolytic water hydrogen production" called "electric tiger", using advanced methanol steam reforming - change
  • the pressure adsorption technology produces a mixture of pure hydrogen and CO 2 -rich gas, and after further post-treatment, hydrogen and carbon dioxide gas can be simultaneously obtained.
  • Methanol and water vapor pass through the catalyst under certain temperature and pressure conditions, and under the action of the catalyst, methanol cracking reaction and carbon monoxide shift reaction occur to generate hydrogen and carbon dioxide, which is a multi-component, multi-reaction gas-solid catalytic reaction. system.
  • the reaction equation is as follows:
  • the H 2 and CO 2 formed by the reforming are reformed, and then separated by a palladium membrane to separate H 2 and CO 2 to obtain high-purity hydrogen.
  • the pressure swing adsorption method has high energy consumption, large equipment, and is not suitable for small-scale hydrogen production.
  • the hydrogen generator will discharge some residual gas, mainly including hydrogen, oxygen, water vapor, etc. that have not been fully reacted. Now, these gases are discharged, and the hydrogen is dangerous gas, and there is a certain Security risks. At the same time, these gases have certain value.
  • existing hydrogen power generation systems usually use the already prepared hydrogen to generate electricity, that is, the production of hydrogen and hydrogen are separated.
  • hydrogen is produced by a hydrogen production facility, and the hydrogen is placed in a hydrogen buffer tank, and then hydrogen is generated by hydrogen in a hydrogen buffer tank.
  • the hydrogen buffer tank is bulky, does not carry the belt, and has poor mobility, which restricts the hydrogen preparation and the portability of the power generation equipment.
  • the technical problem to be solved by the present invention is to provide a system for generating electricity by using hydrogen produced in real time, which can effectively utilize the residual gas after the power generation subsystem and improve the efficiency of the system.
  • the present invention also provides a method for generating electricity by using hydrogen produced in real time, which can effectively utilize the residual gas after the power generation subsystem and improve the efficiency of the system.
  • a system for generating electricity by using hydrogen produced in real time comprising: a hydrogen production subsystem, a gas pressure regulation subsystem, a power generation subsystem, a collection and utilization subsystem, a hydrogen production subsystem, a gas pressure regulation subsystem, and a power generation subsystem Collecting and utilizing subsystems in turn;
  • the hydrogen production subsystem uses methanol water to prepare hydrogen, and the hydrogen production subsystem includes a solid hydrogen storage container, a liquid storage container, a raw material conveying device, a hydrogen production device, and a membrane separation device;
  • the hydrogen production device includes a heat exchanger, a gasification chamber, and a reforming chamber; the membrane separation device is disposed in the separation chamber, and the separation chamber is disposed inside the reforming chamber;
  • the solid hydrogen storage container and the liquid storage container are respectively connected to a hydrogen production device; the liquid storage container stores liquid methanol and water;
  • the solid hydrogen storage container stores solid hydrogen.
  • the solid hydrogen is converted into gaseous hydrogen through a gasification module, and the gaseous hydrogen is heated by combustion to provide starting heat energy for the hydrogen production equipment, and is used as a hydrogen production device. Start energy
  • the methanol and water in the liquid storage container are transported to the heat exchanger through the raw material conveying device for heat exchange, and then enter the gasification chamber for gasification after heat exchange;
  • the vaporized methanol vapor and water vapor enter the reforming chamber, and the reforming chamber is provided with a catalyst, and the temperature of the lower part and the middle part of the reforming chamber is 300 ° C to 420 ° C;
  • the temperature of the upper portion of the reforming chamber is 400 ° C to 570 ° C; the reforming chamber and the separation chamber are connected by a connecting pipe, and all or part of the connecting pipe is disposed at an upper portion of the reforming chamber, and can pass the high temperature of the upper portion of the reforming chamber Continuing to heat the gas output from the reforming chamber; the connecting line acts as a buffer between the reforming chamber and the separating chamber such that the temperature of the gas output from the reforming chamber is the same as or close to the temperature of the separating chamber;
  • the temperature in the separation chamber is set to 350 ° C ⁇ 570 ° C; a membrane separator is provided in the separation chamber, and hydrogen gas is obtained from the gas producing end of the membrane separator;
  • the raw material conveying device provides power to deliver the raw material in the liquid storage container to the hydrogen producing device; the raw material conveying device supplies a pressure of 0.15 to 5 MPa to the raw material, so that the hydrogen produced by the hydrogen producing device has a sufficient pressure;
  • the hydrogen produced by the hydrogen production device is sent to a membrane separation device for separation, and the difference between the internal and external pressures of the membrane separation device for separating hydrogen is greater than or equal to 0.7 MPa;
  • the membrane separation device is a membrane separation device for vacuum-plating palladium-silver alloy on a porous ceramic surface, the coating layer is a palladium-silver alloy, the palladium-silver alloy has a mass percentage of palladium of 75% to 78%, and silver accounts for 22% to 25%;
  • the hydrogen production subsystem transmits the produced hydrogen to the power generation subsystem through the transmission pipeline in real time;
  • the transmission pipeline is provided with a gas pressure adjustment subsystem for adjusting the air pressure in the transmission pipeline;
  • the power generation subsystem utilizes Hydrogen generation from a hydrogen production subsystem;
  • the air pressure adjusting subsystem includes a microprocessor, a gas pressure sensor, a valve controller, an air outlet valve, and an air outlet pipeline;
  • the gas pressure sensor is disposed in the transmission pipeline to sense air pressure data in the transmission pipeline, and Transmitting the sensed air pressure data to a microprocessor;
  • the microprocessor compares the air pressure data received from the gas pressure sensor with a set threshold interval; when the received pressure data is above a maximum value of the set threshold interval
  • the microprocessor controls the valve controller to open the outlet valve set time, so that the air pressure in the transmission line is within the set range, and one end of the outlet line is connected to the outlet valve, and the other end is connected to the hydrogen generation subsystem. Heating, heating by the heating device for the hydrogen production subsystem; when the received pressure data is lower than the minimum value of the set threshold interval, the microprocessor controls the hydrogen production subsystem to accelerate the conveying speed of the raw material;
  • the collection and utilization subsystem is connected to the exhaust passage outlet of the power generation subsystem, and collects hydrogen, oxygen, and water separately from the exhausted gas, and uses the collected hydrogen and oxygen for the hydrogen production subsystem or/and the power generation subsystem to collect and collect
  • the water obtained is used as a raw material for the hydrogen production subsystem, thereby being recycled;
  • the collection and utilization subsystem comprises a hydrogen-oxygen separator, a hydrogen water separator, a hydrogen check valve, an oxygen water separator, an oxygen check valve, and separates hydrogen from oxygen, and then separates hydrogen from water and oxygen and water, respectively.
  • a system for generating electricity by using hydrogen produced in real time comprising: a hydrogen production subsystem, a power generation subsystem, a collection and utilization subsystem, a hydrogen production subsystem, a power generation subsystem, and a collection and utilization subsystem are sequentially connected;
  • the hydrogen production subsystem uses methanol water to prepare hydrogen, and the produced hydrogen is transmitted to the power generation subsystem in real time through a transmission pipeline for power generation;
  • the collection utilizes subsystems to connect the exhaust passage outlets of the power generation subsystem, collect hydrogen from the exhausted gases, or utilize the collected hydrogen for use in a hydrogen production subsystem or/and a power generation subsystem.
  • the collection and utilization subsystem comprises a hydrogen water separator, a hydrogen check valve, an exhaust passage outlet of the power generation subsystem is connected to the inlet of the hydrogen water separator, and the hydrogen water separator is connected at the outlet.
  • a hydrogen check valve is disposed in the pipeline; the hydrogen water separator is used to separate hydrogen and water.
  • the collection and utilization subsystem further includes a hydrogen-oxygen separator for separating hydrogen and oxygen; and a hydrogen-oxygen separator disposed at the outlet of the power generation subsystem exhaust passage and the hydrogen water separator. between.
  • the collection and utilization subsystem further includes an oxygen water separator and an oxygen check valve for collecting oxygen;
  • the collection utilizes hydrogen and oxygen collected by the subsystem for use in a hydrogen production subsystem or/and a power generation subsystem.
  • the collection and utilization subsystem includes a gas water separator that delivers the collected water to the hydrogen production subsystem for recycling.
  • a hydrogen production method of the above system comprising the following steps:
  • the hydrogen production subsystem uses methanol water to prepare hydrogen, and the produced hydrogen is transmitted in real time through a transmission pipeline.
  • the power generation subsystem generates electricity by using hydrogen produced by a hydrogen production subsystem
  • the collection utilizes subsystems to connect the exhaust passage outlets of the power generation subsystem, collect hydrogen from the exhausted gases, or utilize the collected hydrogen for use in a hydrogen production subsystem or/and a power generation subsystem.
  • the method further comprises: an oxygen collection and utilization step, collecting oxygen by collecting the utilization subsystem; and using the collected hydrogen and oxygen for the hydrogen production subsystem or/and the power generation subsystem.
  • the method further comprises: a water collection and utilization step, collecting water by collecting the utilization subsystem, and conveying the collected water to the hydrogen production subsystem for recycling.
  • the invention has the beneficial effects that the system and the method for generating electricity by using the hydrogen produced in real time can collect the residual gas discharged from the power generation subsystem, and extract hydrogen, oxygen and water therefrom, and the hydrogen and oxygen can be burned. Heat, providing heat to the power generation subsystem, water can be transferred to the hydrogen production subsystem for recycling, and the system does not require an additional water source.
  • the invention can improve the efficiency of system power generation and save energy.
  • the present invention can also utilize the hydrogen produced by the instant preparation, without the hydrogen buffer tank, and adjust the hydrogen gas pressure in the transmission pipeline through the air pressure adjusting subsystem; since the volume of the air pressure adjusting subsystem is small, the hydrogen generating power generation system can be further improved. Portability and mobility.
  • 1 is a schematic view showing the composition of an instant hydrogen production system of the present invention in the first embodiment.
  • FIG. 2 is a schematic diagram of the operation of the collection and utilization subsystem in the first embodiment.
  • FIG. 3 is a schematic view showing the composition of the instant hydrogen production system of the present invention in the second embodiment.
  • FIG. 4 is a schematic view showing the composition of a hydrogen production subsystem in the third embodiment.
  • FIG. 5 is a schematic view showing the composition of a hydrogen production subsystem in the fourth embodiment.
  • FIG. 6 is a schematic structural view of a first starting device in the fourth embodiment.
  • the present invention discloses a system for generating electricity by using hydrogen produced in real time.
  • the system includes: a hydrogen production subsystem 100 , a power generation subsystem 300 , a collection and utilization subsystem 400 , a hydrogen production subsystem 100 , The power generation subsystem 200 and the collection and utilization subsystem 400 are sequentially connected;
  • the hydrogen production subsystem 100 prepares hydrogen by using methanol water, and transmits the produced hydrogen to the power generation subsystem 300 for power generation through a transmission pipeline in real time;
  • the collection utilization subsystem 400 connects the exhaust passage outlets of the power generation subsystem 300, collects hydrogen from the exhausted gases, or utilizes the collected hydrogen for use by the hydrogen production subsystem 100 or/and the power generation subsystem 300.
  • the collection utilization subsystem 400 includes a hydrogen water separator 401 and a hydrogen check valve 402.
  • the exhaust passage outlet of the power generation subsystem 300 is connected to the inlet of the hydrogen water separator 401, and the hydrogen water separator 401 is connected.
  • a hydrogen check valve 402 is provided in the connected pipeline to prevent hydrogen from being poured; the hydrogen water separator 401 is used to separate hydrogen and water.
  • the collection and utilization subsystem further includes a hydrogen-oxygen separator for separating hydrogen and oxygen; and a hydrogen-oxygen separator disposed between the outlet of the power generation subsystem exhaust passage and the hydrogen water separator.
  • the collection and utilization subsystem 400 further includes an oxygen water separator 411 and an oxygen check valve 412 for collecting oxygen.
  • the collection and utilization of the hydrogen and oxygen collected by the subsystem 400 for use in the hydrogen production subsystem 100 can also be used by the power generation subsystem 300.
  • the collected oxygen can be stored in a set container for people to breathe oxygen; the collected water can be used for drinking.
  • the collection and utilization subsystem includes a gas water separator (such as the above-described hydrogen water separator, oxygen water separator), water can be collected (a few times more than the moisture in the raw material because methanol also contains hydrogen atoms).
  • the hydrogen is produced and reacted with oxygen to obtain water), and the water is sent to the hydrogen production subsystem 100, and the raw water can be recycled without additional addition.
  • the system of the present invention can collect useful substances such as hydrogen, oxygen, water and the like from the residual gas of the power generation subsystem, thereby improving the power generation efficiency of the system and saving raw materials (water).
  • the instant hydrogen production system of the present invention comprises a hydrogen production subsystem 100, a gas pressure regulation subsystem 200, a power generation subsystem 300, and hydrogen production.
  • the subsystem 100, the air pressure regulation subsystem 200, and the power generation subsystem 300 are sequentially connected.
  • the hydrogen production subsystem 100 uses hydrogen to prepare hydrogen gas, and the produced hydrogen gas is transmitted to the power generation subsystem 300 through a transmission pipeline in real time; the transmission pipeline is provided with a gas pressure regulation subsystem 200 for adjusting the transmission pipeline.
  • the gas pressure is generated by the power generation subsystem 300 using hydrogen produced by the hydrogen production subsystem.
  • the hydrogen production subsystem uses methanol water to prepare hydrogen.
  • the hydrogen production subsystem includes a solid hydrogen storage container, a liquid storage container, a raw material conveying device, a hydrogen production device, and a membrane separation device.
  • the air pressure adjusting subsystem 200 includes a microprocessor 21, a gas pressure sensor 22, a valve controller 23, an air outlet valve 24, and an air outlet line 25.
  • the gas pressure sensor 22 is disposed in the transmission line for sensing the air pressure data in the transmission line and transmitting the sensed air pressure data to the microprocessor 21; the microprocessor 21 will receive the gas pressure sensor 22 The air pressure data is compared with a set threshold interval, and thereby the switch of the air outlet valve 24 is controlled. When the received pressure data is higher than the maximum value of the set threshold interval, the microprocessor 21 controls the valve controller 23 to open the outlet valve set time so that the air pressure in the transmission line is within the set range.
  • the outlet line 25 One end is connected to the outlet valve 24, the other end is connected to the hydrogen production subsystem 100, and is heated by the combustion to the heating device (such as the reforming chamber) of the hydrogen production subsystem 100; when the received pressure data is lower than the set threshold The minimum value of the interval, the microprocessor 21 controls the hydrogen production subsystem 100 to speed up the delivery rate of the raw material, thereby increasing the hydrogen production rate.
  • the heating device such as the reforming chamber
  • the instant hydrogen production system of the present invention is described above.
  • the present invention discloses a power generation method for the instant hydrogen production system described above, and the power generation method includes:
  • Step S1 The hydrogen production subsystem uses methanol water to prepare hydrogen, and the produced hydrogen is transmitted to the power generation subsystem in real time through a transmission pipeline.
  • the process for preparing hydrogen by the hydrogen production subsystem includes:
  • the solid hydrogen storage tank stores solid hydrogen.
  • the solid hydrogen is converted into gaseous hydrogen through the gasification module, and the gaseous hydrogen is heated by combustion to provide starting heat energy for the hydrogen production equipment, and is used as a starting energy for the hydrogen production equipment. ;
  • the raw material conveying device provides power to deliver the raw material in the liquid storage container to the hydrogen producing device; the raw material conveying device supplies a pressure of 0.15 to 5 MPa to the raw material, so that the hydrogen produced by the hydrogen producing device has a sufficient pressure;
  • the hydrogen produced by the hydrogen production unit is sent to a membrane separation device for separation, and the difference between the internal and external pressures of the membrane separation device for separating hydrogen is greater than or equal to 0.7 M Pa (e.g., 1.1 MPa).
  • the transmission line is provided with a gas pressure adjusting subsystem to adjust the air pressure in the transmission line; the gas pressure sensor is disposed in the transmission line, inducts the air pressure data in the transmission line, and induces the air pressure
  • the data is sent to a microprocessor; the microprocessor controls the opening and closing of the air outlet valve based on the air pressure data sensed by the gas pressure sensor.
  • the method specifically includes: the microprocessor compares the air pressure data sensed by the gas pressure sensor with a set threshold interval; when the received pressure data is higher than a set threshold interval The maximum value, the microprocessor controls the valve controller to open the outlet valve set time, so that the air pressure in the transmission line is within the set range; when the received pressure data is lower than the minimum value of the set threshold interval, the microprocessor controls the The hydrogen production subsystem speeds up the delivery of raw materials.
  • Step S3 The power generation subsystem generates electricity by using hydrogen produced by the hydrogen production subsystem.
  • the hydrogen production subsystem uses methanol water to prepare hydrogen
  • the hydrogen production subsystem includes a solid hydrogen storage container 80 and a liquid storage container 10.
  • the solid hydrogen storage container 80 and the liquid storage container 10 are respectively connected to the hydrogen producing device 20; the liquid storage container 10 stores liquid methanol and water, and the solid hydrogen storage container 80 stores solid hydrogen.
  • the solid hydrogen in the solid hydrogen storage container 80 is converted into gaseous hydrogen by the gasification module, and the gaseous hydrogen is exothermic through combustion to provide the startup heat energy to the hydrogen production device 20 as the starting energy of the hydrogen production device 20.
  • the solid hydrogen storage container 80 is not a necessary device of the present invention, and the hydrogen production unit 20 can be started by other energy sources.
  • the material conveying device 50 provides power to deliver the raw materials in the liquid storage container 10 to the hydrogen producing device 20; the raw material conveying device 50 supplies a pressure of 0.15 to 5 MPa to the raw material (if 0.2 M Pa or 1.1 M Pa is provided or The pressure of 1.2 M Pa or 1.5 M Pa or 5 M Pa makes the hydrogen produced by the hydrogen producing apparatus 20 have a sufficient pressure. After the hydrogen production device 20 starts hydrogen production, part of the hydrogen produced by the hydrogen production device 20 Or / and the residual gas is maintained by the combustion to maintain the hydrogen plant 20 (of course, the operation of the hydrogen plant 20 can also pass other energy sources).
  • the hydrogen produced by the hydrogen production unit 20 is sent to the membrane separation device 30 for separation, and the difference between the internal and external pressures of the membrane separation device 30 for separating hydrogen is 0.7 MPa or more (for example, the internal and external pressure of the membrane separation device 30 is 0.7 M). Pa or 1.1 M Pa or 1.2 M Pa or 1.5 M Pa or 5 M Pa).
  • the membrane separation device 30 is a membrane separation device for vacuum-plating palladium-silver alloy on a porous ceramic surface, the coating layer is a palladium-silver alloy, and the palladium-silver alloy has a mass percentage of palladium of 75% to 78%, and silver accounts for 22%. % ⁇ 25%.
  • the preparation process of the membrane separation device 30 includes the following steps:
  • Step 1 The porous ceramic is placed in a vacuum chamber of the magnetron sputtering device;
  • Step 2 The magnetic field generating mechanism of the magnetron sputtering device generates a magnetic field, so that the metal target generates a bias current, and the metal target serves as a negative electrode, so that the porous ceramic surface has a magnetic layer body;
  • the metal target material is a sputtering precious metal
  • the precious metal is a palladium-silver alloy, the mass percentage of palladium accounts for 75% to 78%, and the silver accounts for 22% to 25%;
  • Step 3 while the metal target generates a bias current, the vacuum chamber of the magnetron sputtering device is heated, and the temperature is controlled at 350 ° C to 800 ° C;
  • Step 4 extracting the gas in the vacuum chamber, when the vacuum degree in the vacuum chamber is less than 10 -2 Pa, charging the vacuum chamber with a set concentration of argon gas;
  • Step 5 a current is applied to the metal target to perform sputtering coating; ions generated by the metal target collide with the argon atoms during the acceleration of the flying toward the porous ceramic surface by the electric field, and ionize a large amount of argon ions and electrons, and electrons. Flying toward the surface of the porous ceramic; the argon ions accelerate the bombardment of the metal target under the action of the electric field, and sputter a large number of metal target target atoms or molecules, and the neutral target atoms or molecules are deposited on the surface of the porous ceramic to form 1-15 ⁇ m. Precious metal film;
  • the argon gas concentration detecting step is further included in the process of sputter coating; the argon gas concentration in the vacuum chamber is detected in real time or at set time intervals, and the argon gas inflating valve is automatically opened when the argon gas concentration is lower than the set threshold value, The vacuum chamber is filled with argon gas until the argon concentration in the vacuum chamber meets a set threshold range;
  • the air pressure detecting step is further included; the air pressure in the vacuum chamber is detected in real time or at set time intervals, and when the air pressure in the vacuum chamber is not within the set threshold interval, the air pressure in the vacuum chamber is adjusted to a set threshold interval;
  • Step 6 Pass the atmosphere into the vacuum chamber and take out the workpiece.
  • the hydrogen production apparatus includes a heat exchanger, a gasification chamber, and a reforming chamber; the membrane separation device is disposed in the separation chamber, and the separation chamber is disposed at an upper portion of the reforming chamber.
  • the methanol and water in the liquid storage container are transported to the heat exchanger through the raw material conveying device for heat exchange, and then enter the gasification chamber for gasification after heat exchange; the vaporized methanol vapor and water vapor enter the reforming chamber, and the reforming chamber is set.
  • the temperature of the lower part and the middle part of the reforming chamber is 350 ° C ⁇ 409 ° C; the temperature of the upper part of the reforming chamber is 400 ° C ⁇ 570 ° C; the reforming chamber and the separation chamber are connected by a connecting pipe, connecting all or Partially disposed at an upper portion of the reforming chamber, the gas output from the reforming chamber can be continuously heated by the high temperature of the upper portion of the reforming chamber; the connecting conduit acts as a buffer between the reforming chamber and the separation chamber, so that the output from the reforming chamber is outputted
  • the temperature of the gas is the same as or close to the temperature of the separation chamber; the temperature in the separation chamber is set to 400 ° C to 570 ° C; a membrane separator is provided in the separation chamber, and hydrogen gas is obtained from the gas producing end of the membrane separator.
  • composition of the methanol water hydrogen production subsystem and the invention also discloses a hydrogen production method using the above methanol water hydrogen production subsystem, the hydrogen production method comprising:
  • the solid hydrogen storage container stores solid hydrogen.
  • the solid hydrogen is converted into gaseous hydrogen by the gasification module, and the gaseous hydrogen is heated by combustion to provide start-up heat energy for the hydrogen production device.
  • the raw material conveying device supplies power to deliver the raw material in the liquid storage container to the hydrogen producing device; the raw material conveying device supplies a pressure of 0.15 to 5 MPa to the raw material, so that the hydrogen produced by the hydrogen producing device has sufficient Pressure
  • Step 2 Hydrogen production equipment prepares hydrogen; specifically includes:
  • the methanol and water in the liquid storage container are transported to the heat exchanger through the raw material conveying device for heat exchange, and then enter the gasification chamber for gasification after heat exchange;
  • the vaporized methanol vapor and water vapor enter the reforming chamber, and the reforming chamber is provided with a catalyst, and the temperature of the lower part and the middle part of the reforming chamber is 300 ° C to 420 ° C;
  • the temperature of the upper portion of the reforming chamber is 400 ° C to 570 ° C; the reforming chamber and the separation chamber are connected by a connecting pipe, and all or part of the connecting pipe is disposed at an upper portion of the reforming chamber, and can pass the high temperature of the upper portion of the reforming chamber Continuing to heat the gas output from the reforming chamber; the connecting line acts as a buffer between the reforming chamber and the separating chamber such that the temperature of the gas output from the reforming chamber is the same as or close to the temperature of the separating chamber;
  • the temperature in the separation chamber is set to 350 ° C to 570 ° C; a membrane separator is provided in the separation chamber, and hydrogen gas is obtained from the gas producing end of the membrane separator.
  • Step 3 The hydrogen produced by the hydrogen production equipment is sent to a membrane separation device for separation, and the difference between the internal and external pressures of the membrane separation device for separating hydrogen is greater than or equal to 0.7 MPa;
  • the hydrogen production subsystem sets the separation chamber at the upper portion of the reforming chamber, and the upper portion of the reforming chamber has a higher temperature than the middle portion and the lower portion, and the reforming chamber and the separation chamber are connected through the connecting pipeline, and the connecting pipeline is
  • the gas conveyed by the high temperature in the upper part of the reforming chamber can be used to preheat, and the heating method is very convenient.
  • the pipeline between the reforming chamber and the separation chamber serves as a preheating temperature control mechanism, and the gas output from the reforming chamber can be heated such that the temperature of the gas output from the reforming chamber is the same as or close to the temperature of the separation chamber; Therefore, the low temperature requirement of the catalyst in the reforming chamber and the high temperature requirement of the separation chamber can be ensured separately, thereby improving the hydrogen production efficiency.
  • the hydrogen production subsystem is not provided with the solid hydrogen storage container 80.
  • the hydrogen production subsystem includes: the liquid storage container 10, the raw material conveying device 50, and the fast The starting device, the hydrogen producing device 20, and the membrane separating device 30 are provided.
  • the quick start device provides a starting energy source for the hydrogen producing device; the quick starting device includes a first starting device 40 and a second starting device 60.
  • the first starting device 40 includes a housing 41 , a first heating mechanism 42 , and a first gasification pipeline 43 .
  • the first gasification pipeline 43 has an inner diameter of 1 to 2 mm, and the first gasification is performed.
  • the pipeline 43 is tightly wound around the first heating mechanism 42.
  • the first heating mechanism 42 may be an electric heating rod, and may be an alternating current or a battery or a dry battery.
  • One end of the first gasification line 43 is connected to the liquid storage container 10, and methanol is sent to the first gasification line 43; the other end of the first gasification line 43 outputs vaporized methanol, and then passes through the ignition.
  • the mechanism is ignited and burned; or the other end of the first gasification line 43 outputs the vaporized methanol, and the output methanol reaches the self-ignition point, and the methanol is directly self-ignited after being output from the first gasification line 43.
  • the second starting device 60 includes a second gasification pipeline, the main body of the second gasification pipeline is disposed in the reforming chamber, and the second gasification pipeline is heated by the reforming chamber (may also be a hydrogen production system Unit heating).
  • the methanol output from the first gasification line 43 or/and the second gasification line heats the second gas while heating the reforming chamber
  • the pipeline is used to vaporize methanol in the second gasification line.
  • the methanol outputted by the first gasification line 43 is required to heat the second gasification pipeline.
  • the set time is set, and the first startup device 40 can be selectively closed.
  • the methanol output from the second gasification line is heated by the second gasification line; this further reduces the dependence on external energy sources.
  • a heating line 21 is disposed in the reforming chamber wall of the hydrogen producing apparatus 20, and a catalyst is placed in the heating line 21 (for example, the heating temperature can be controlled at 380). °C ⁇ 480 ° C); the quick start device 40 heats the reforming chamber by heating the heating line 21, which can improve the heating efficiency.
  • the hydrogen production system supplies the energy required for operation through the hydrogen produced by the hydrogen production facility; at this time, the quick start device can be turned off.
  • composition of the methanol water hydrogen production system of the present invention is described above. While the above hydrogen production system is disclosed, the present invention also discloses a hydrogen production method for the above methanol water hydrogen production system, the method comprising the following steps:
  • Step S1 A quick start step; the hydrogen production system provides a startup energy start using a quick start device. Specifically include:
  • the first heating mechanism of the first starting device is energized for a set time, and after the first heating mechanism reaches the set temperature, methanol is introduced into the first gasification pipeline; since the first gasification pipeline is tightly wound around the first heating mechanism The methanol temperature is gradually increased; the first gasification line outputs the vaporized methanol, and then is ignited and burned by the ignition mechanism; or the first gasification line outputs the vaporized methanol, and the output methanol reaches the spontaneous combustion temperature. Point, methanol is directly self-ignited after being output from the first gasification pipeline;
  • the vaporized methanol is heated by combustion to provide a starting energy for the hydrogen production equipment; meanwhile, the methanol combustion outputted by the first gasification line is also heated by the second gasification line of the second starting device, and the second gasification tube is Methanol gasification in the road;
  • the first starting device After outputting the vaporized methanol in the second gasification pipeline, the first starting device is turned off, and the methanol outputted from the second gasification pipeline of the second startup device is heated by the reforming chamber while heating the second gasification pipeline.
  • Charging the methanol in the second gasification pipeline; the reforming chamber wall is provided with a heating pipeline, and the heating pipeline is provided with a catalyst; and the quick start device is a reforming chamber by heating the heating pipeline heating.
  • Step S2 After the system is started, the hydrogen production system supplies hydrogen required by the hydrogen production equipment to provide operation
  • the energy to be produced by the hydrogen production system is sufficient to shut off the quick start device; part of the hydrogen or/and residual gas produced by the hydrogen production equipment is maintained by the combustion to maintain the hydrogen production equipment.
  • the system and method for generating electricity by using hydrogen produced in real time can collect the residual gas discharged from the power generation subsystem, and extract hydrogen, oxygen, water, hydrogen, and oxygen to burn heat. Thermal energy is supplied to the power generation subsystem, and water can be transferred to the hydrogen production subsystem for recycling, and the system does not require an additional water source.
  • the invention can improve the efficiency of system power generation and save energy.

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Abstract

A system and method for generating power using instantly prepared hydrogen. The system comprises a hydrogen preparation subsystem, a power generation subsystem, and a collection and utilization subsystem, wherein the hydrogen preparation subsystem, the power generation subsystem, and the collection and utilization subsystem are connected in sequence; the hydrogen preparation subsystem uses methanol and water to prepare hydrogen, and transmits in real time the prepared hydrogen to the power generation subsystem via a transmission pipeline for power generation; the collection and utilization subsystem is connected to a gas exhaust channel outlet of the power generation subsystem, collects hydrogen from the exhausted gas, or provides the collected hydrogen for the hydrogen preparation subsystem and/or the power generation subsystem to use. The system can collect residual gas exhausted by the power generation subsystem and extract hydrogen, oxygen and water therefrom. Hydrogen and oxygen can release heat by combustion so as to provide heat energy for the power generation subsystem, and water can be transmitted to the hydrogen preparation subsystem for cyclic utilization so that the system does not need extra water sources. The power generation efficiency of the system can also be increased, thereby saving energy.

Description

利用即时制得的氢气进行发电的系统及方法System and method for generating electricity using hydrogen produced in real time 技术领域Technical field
本发明属于氢气制备及应用技术领域,涉及一种氢气发电系统,尤其涉及一种利用即时制得的氢气进行发电的系统;同时,本发明还揭示一种利用即时制得的氢气进行发电的方法。The invention belongs to the technical field of hydrogen preparation and application, and relates to a hydrogen power generation system, in particular to a system for generating electricity by using hydrogen produced in real time; meanwhile, the invention also discloses a method for generating electricity by using hydrogen produced immediately; .
背景技术Background technique
在众多的新能源中,氢能将会成为21世纪最理想的能源。这是因为,在燃烧相同重量的煤、汽油和氢气的情况下,氢气产生的能量最多,而且它燃烧的产物是水,没有灰渣和废气,不会污染环境;而煤和石油燃烧生成的是二氧化碳和二氧化硫,可分别产生温室效应和酸雨。煤和石油的储量是有限的,而氢主要存于水中,燃烧后唯一的产物也是水,可源源不断地产生氢气,永远不会用完。Among many new energy sources, hydrogen energy will become the most ideal energy source in the 21st century. This is because, in the case of burning the same weight of coal, gasoline and hydrogen, hydrogen produces the most energy, and the product of its combustion is water, no ash and waste gas, does not pollute the environment; and coal and petroleum combustion It is carbon dioxide and sulfur dioxide, which can produce greenhouse effect and acid rain, respectively. The reserves of coal and oil are limited, and hydrogen is mainly stored in water. The only product after combustion is water, which can continuously produce hydrogen and never run out.
氢是一种无色的气体。燃烧一克氢能释放出142千焦尔的热量,是汽油发热量的3倍。氢的重量特别轻,它比汽油、天然气、煤油都轻多了,因而携带、运送方便,是航天、航空等高速飞行交通工具最合适的燃料。氢在氧气里能够燃烧,氢气火焰的温度可高达2500℃,因而人们常用氢气切割或者焊接钢铁材料。Hydrogen is a colorless gas. Burning one gram of hydrogen can release 142 kilojoules of heat, which is three times the calorific value of gasoline. The weight of hydrogen is extremely light. It is much lighter than gasoline, natural gas and kerosene. Therefore, it is easy to carry and transport. It is the most suitable fuel for high-speed flight vehicles such as aerospace and aviation. Hydrogen can be burned in oxygen, and the temperature of the hydrogen flame can be as high as 2,500 ° C, so people often use hydrogen to cut or weld steel materials.
在大自然中,氢的分布很广泛。水就是氢的大“仓库”,其中含有11%的氢。泥土里约有1.5%的氢;石油、煤炭、天然气、动植物体内等都含有氢。氢的主体是以化合物水的形式存在的,而地球表面约70%为水所覆盖,储水量很大,因此可以说,氢是“取之不尽、用之不竭”的能源。如果能用合适的方法从水中制取氢,那么氢也将是一种价格相当便宜的能源。In nature, hydrogen is widely distributed. Water is the big "warehouse" of hydrogen, which contains 11% hydrogen. About 1.5% of the hydrogen in the soil; hydrogen, coal, natural gas, animals and plants contain hydrogen. The main body of hydrogen exists in the form of compound water, and about 70% of the earth's surface is covered by water, and the water storage capacity is large. Therefore, hydrogen can be said to be an "inexhaustible and inexhaustible" energy source. If hydrogen can be produced from water in a suitable way, then hydrogen will also be a relatively inexpensive energy source.
氢的用途很广,适用性强。它不仅能用作燃料,而且金属氢化物具有化学能、热能和机械能相互转换的功能。例如,储氢金属具有吸氢放热和吸热放氢的本领,可将热量储存起来,作为房间内取暖和空调使用。Hydrogen has a wide range of uses and is highly adaptable. It can be used not only as a fuel, but also as a metal hydride that has the function of converting chemical, thermal and mechanical energy. For example, hydrogen storage metals have the ability to absorb hydrogen exotherms and absorb heat and release hydrogen, which can be stored as heat and air conditioning in the room.
氢作为气体燃料,首先被应用在汽车上。1976年5月,美国研制出一种以氢作燃料的汽车;后来,日本也研制成功一种以液态氢为燃料的汽车;70年代末期,前联邦德国的奔驰汽车公司已对氢气进行了试验,他们仅用了五千克氢, 就使汽车行驶了110公里。Hydrogen is used as a gaseous fuel and is first used in automobiles. In May 1976, the United States developed a car that uses hydrogen as a fuel; later, Japan also developed a car that uses liquid hydrogen as fuel; in the late 1970s, Mercedes-Benz, a former Federal Republic of Germany, tested hydrogen. They only used five kilograms of hydrogen, It made the car travel 110 kilometers.
用氢作为汽车燃料,不仅干净,在低温下容易发动,而且对发动机的腐蚀作用小,可延长发动机的使用寿命。由于氢气与空气能够均匀混合,完全可省去一般汽车上所用的汽化器,从而可简化现有汽车的构造。更令人感兴趣的是,只要在汽油中加入4%的氢气。用它作为汽车发动机燃料,就可节油40%,而且无需对汽油发动机作多大的改进。The use of hydrogen as a fuel for automobiles is not only clean, but also easy to start at low temperatures, and has little corrosive effect on the engine, which can prolong the service life of the engine. Since the hydrogen and the air can be uniformly mixed, the vaporizer used in the general automobile can be completely omitted, thereby simplifying the construction of the existing automobile. Even more interesting is as long as 4% hydrogen is added to the gasoline. By using it as a fuel for a car engine, it can save 40% of fuel, and there is no need to improve the gasoline engine.
氢气在一定压力和温度下很容易变成液体,因而将它用铁罐车、公路拖车或者轮船运输都很方便。液态的氢既可用作汽车、飞机的燃料,也可用作火箭、导弹的燃料。美国飞往月球的“阿波罗”号宇宙飞船和我国发射人造卫星的长征运载火箭,都是用液态氢作燃料的。Hydrogen can easily turn into a liquid at a certain pressure and temperature, so it is convenient to transport it by rail car, road trailer or ship. Liquid hydrogen can be used as fuel for automobiles and aircraft, as well as for rockets and missiles. The "Apollo" spacecraft that flies to the moon in the United States and the Long March launch vehicle that launches satellites in China use liquid hydrogen as fuel.
另外,使用氢-氢燃料电池还可以把氢能直接转化成电能,使氢能的利用更为方便。目前,这种燃料电池已在宇宙飞船和潜水艇上得到使用,效果不错。当然,由于成本较高,一时还难以普遍使用。In addition, the use of hydrogen-hydrogen fuel cells can also directly convert hydrogen energy into electrical energy, making hydrogen energy utilization more convenient. At present, this fuel cell has been used on spacecraft and submarines, and the effect is good. Of course, due to the high cost, it is difficult to use it at the moment.
现在世界上氢的年产量约为3600万吨,其中绝大部分是从石油、煤炭和天然气中制取的,这就得消耗本来就很紧缺的矿物燃料;另有4%的氢是用电解水的方法制取的,但消耗的电能太多,很不划算,因此,人们正在积极探索研究制氢新方法。而用甲醇、水重整制氢可减少化工生产中的能耗和降低成本,有望替代被称为“电老虎”的“电解水制氢”的工艺,利用先进的甲醇蒸气重整——变压吸附技术制取纯氢和富含CO2的混合气体,经过进一步的后处理,可同时得到氢气和二氧化碳气。The world's annual hydrogen production is about 36 million tons, most of which is made from oil, coal and natural gas, which consumes the already scarce fossil fuel; another 4% of hydrogen is electrolysis. The method of water is produced, but the electric energy consumed is too much, which is not cost-effective. Therefore, people are actively exploring new methods for hydrogen production. The reforming of hydrogen with methanol and water can reduce energy consumption and reduce costs in chemical production. It is expected to replace the process of "electrolytic water hydrogen production" called "electric tiger", using advanced methanol steam reforming - change The pressure adsorption technology produces a mixture of pure hydrogen and CO 2 -rich gas, and after further post-treatment, hydrogen and carbon dioxide gas can be simultaneously obtained.
甲醇与水蒸气在一定的温度、压力条件下通过催化剂,在催化剂的作用下,发生甲醇裂解反应和一氧化碳的变换反应,生成氢和二氧化碳,这是一个多组份、多反应的气固催化反应系统。反应方程如下:Methanol and water vapor pass through the catalyst under certain temperature and pressure conditions, and under the action of the catalyst, methanol cracking reaction and carbon monoxide shift reaction occur to generate hydrogen and carbon dioxide, which is a multi-component, multi-reaction gas-solid catalytic reaction. system. The reaction equation is as follows:
CH3OH→CO+2H2    (1)CH 3 OH→CO+2H 2 (1)
H2O+CO→CO2+H2     (2)H 2 O+CO→CO 2 +H 2 (2)
CH3OH+H2O→CO2+3H2   (3)CH 3 OH+H 2 O→CO 2 +3H 2 (3)
重整反应生成的H2和CO2,再经过钯膜分离将H2和CO2分离,得到高纯氢气。变压吸附法的耗能高、设备大,且不适合小规模的氢气制备。 The H 2 and CO 2 formed by the reforming are reformed, and then separated by a palladium membrane to separate H 2 and CO 2 to obtain high-purity hydrogen. The pressure swing adsorption method has high energy consumption, large equipment, and is not suitable for small-scale hydrogen production.
现有的氢气制备及发电系统中,氢气发电机会排出一些余气,主要包括尚未充分反应的氢气、氧气、水蒸气等,如今是将这些气体排出,而其中的氢气是危险气体,存在一定的安全隐患。同时,这些气体是有一定利用价值的。In the existing hydrogen preparation and power generation system, the hydrogen generator will discharge some residual gas, mainly including hydrogen, oxygen, water vapor, etc. that have not been fully reacted. Now, these gases are discharged, and the hydrogen is dangerous gas, and there is a certain Security risks. At the same time, these gases have certain value.
此外,现有的氢气发电系统,通常是利用已经制备好的氢气发电,即制备氢气与氢气发电是分离的。首先利用制氢设备制备氢气,将氢气放置于氢气缓冲罐中,而后通过氢气缓冲罐中的氢气发电。氢气缓冲罐的体积较为庞大,不便携带,移动性较差,从而制约了氢气制备及发电设备的便携性。In addition, existing hydrogen power generation systems usually use the already prepared hydrogen to generate electricity, that is, the production of hydrogen and hydrogen are separated. First, hydrogen is produced by a hydrogen production facility, and the hydrogen is placed in a hydrogen buffer tank, and then hydrogen is generated by hydrogen in a hydrogen buffer tank. The hydrogen buffer tank is bulky, does not carry the belt, and has poor mobility, which restricts the hydrogen preparation and the portability of the power generation equipment.
有鉴于此,如今迫切需要设计一种新的氢气发电系统,以便克服现有氢气发电系统的上述缺陷。In view of this, there is an urgent need to design a new hydrogen power generation system to overcome the above-mentioned drawbacks of the existing hydrogen power generation system.
发明内容Summary of the invention
本发明所要解决的技术问题是:提供一种利用即时制得的氢气进行发电的系统,可有效利用发电子系统后的余气,提高系统的效率。The technical problem to be solved by the present invention is to provide a system for generating electricity by using hydrogen produced in real time, which can effectively utilize the residual gas after the power generation subsystem and improve the efficiency of the system.
此外,本发明还提供一种利用即时制得的氢气进行发电的方法,可有效利用发电子系统后的余气,提高系统的效率。In addition, the present invention also provides a method for generating electricity by using hydrogen produced in real time, which can effectively utilize the residual gas after the power generation subsystem and improve the efficiency of the system.
为解决上述技术问题,本发明采用如下技术方案:In order to solve the above technical problem, the present invention adopts the following technical solutions:
一种利用即时制得的氢气进行发电的系统,所述系统包括:制氢子系统、气压调节子系统、发电子系统、收集利用子系统,制氢子系统、气压调节子系统、发电子系统、收集利用子系统依次连接;A system for generating electricity by using hydrogen produced in real time, the system comprising: a hydrogen production subsystem, a gas pressure regulation subsystem, a power generation subsystem, a collection and utilization subsystem, a hydrogen production subsystem, a gas pressure regulation subsystem, and a power generation subsystem Collecting and utilizing subsystems in turn;
所述制氢子系统利用甲醇水制备氢气,所述制氢子系统包括固态氢气储存容器、液体储存容器、原料输送装置、制氢设备、膜分离装置;The hydrogen production subsystem uses methanol water to prepare hydrogen, and the hydrogen production subsystem includes a solid hydrogen storage container, a liquid storage container, a raw material conveying device, a hydrogen production device, and a membrane separation device;
所述制氢设备包括换热器、气化室、重整室;膜分离装置设置于分离室内,分离室设置于重整室的里面;The hydrogen production device includes a heat exchanger, a gasification chamber, and a reforming chamber; the membrane separation device is disposed in the separation chamber, and the separation chamber is disposed inside the reforming chamber;
所述固态氢气储存容器、液体储存容器分别与制氢设备连接;液体储存容器中储存有液态的甲醇和水;The solid hydrogen storage container and the liquid storage container are respectively connected to a hydrogen production device; the liquid storage container stores liquid methanol and water;
所述固态氢气储存容器中储存固态氢气,当制氢系统启动时,通过气化模块将固态氢气转换为气态氢气,气态氢气通过燃烧放热,为制氢设备提供启动热能,作为制氢设备的启动能源; The solid hydrogen storage container stores solid hydrogen. When the hydrogen production system is started, the solid hydrogen is converted into gaseous hydrogen through a gasification module, and the gaseous hydrogen is heated by combustion to provide starting heat energy for the hydrogen production equipment, and is used as a hydrogen production device. Start energy
所述液体储存容器中的甲醇和水通过原料输送装置输送至换热器换热,换热后进入气化室气化;The methanol and water in the liquid storage container are transported to the heat exchanger through the raw material conveying device for heat exchange, and then enter the gasification chamber for gasification after heat exchange;
气化后的甲醇蒸气及水蒸气进入重整室,重整室内设有催化剂,重整室下部及中部温度为300℃~420℃;The vaporized methanol vapor and water vapor enter the reforming chamber, and the reforming chamber is provided with a catalyst, and the temperature of the lower part and the middle part of the reforming chamber is 300 ° C to 420 ° C;
所述重整室上部的温度为400℃~570℃;重整室与分离室通过连接管路连接,连接管路的全部或部分设置于重整室的上部,能通过重整室上部的高温继续加热从重整室输出的气体;所述连接管路作为重整室与分离室之间的缓冲,使得从重整室输出的气体的温度与分离室的温度相同或接近;The temperature of the upper portion of the reforming chamber is 400 ° C to 570 ° C; the reforming chamber and the separation chamber are connected by a connecting pipe, and all or part of the connecting pipe is disposed at an upper portion of the reforming chamber, and can pass the high temperature of the upper portion of the reforming chamber Continuing to heat the gas output from the reforming chamber; the connecting line acts as a buffer between the reforming chamber and the separating chamber such that the temperature of the gas output from the reforming chamber is the same as or close to the temperature of the separating chamber;
所述分离室内的温度设定为350℃~570℃;分离室内设有膜分离器,从膜分离器的产气端得到氢气;The temperature in the separation chamber is set to 350 ° C ~ 570 ° C; a membrane separator is provided in the separation chamber, and hydrogen gas is obtained from the gas producing end of the membrane separator;
所述原料输送装置提供动力,将液体储存容器中的原料输送至制氢设备;所述原料输送装置向原料提供0.15~5MPa的压强,使得制氢设备制得的氢气具有足够的压强;The raw material conveying device provides power to deliver the raw material in the liquid storage container to the hydrogen producing device; the raw material conveying device supplies a pressure of 0.15 to 5 MPa to the raw material, so that the hydrogen produced by the hydrogen producing device has a sufficient pressure;
所述制氢设备启动制氢后,制氢设备制得的部分氢气或/和余气通过燃烧维持制氢设备运行;After the hydrogen production equipment starts to produce hydrogen, part of the hydrogen or/and residual gas produced by the hydrogen production equipment is maintained by the combustion to maintain the hydrogen production equipment;
所述制氢设备制得的氢气输送至膜分离装置进行分离,用于分离氢气的膜分离装置的内外压强之差大于等于0.7M Pa;The hydrogen produced by the hydrogen production device is sent to a membrane separation device for separation, and the difference between the internal and external pressures of the membrane separation device for separating hydrogen is greater than or equal to 0.7 MPa;
所述膜分离装置为在多孔陶瓷表面真空镀钯银合金的膜分离装置,镀膜层为钯银合金,钯银合金的质量百分比钯占75%~78%,银占22%~25%;The membrane separation device is a membrane separation device for vacuum-plating palladium-silver alloy on a porous ceramic surface, the coating layer is a palladium-silver alloy, the palladium-silver alloy has a mass percentage of palladium of 75% to 78%, and silver accounts for 22% to 25%;
所述制氢子系统将制得的氢气通过传输管路实时传输至发电子系统;所述传输管路设有气压调节子系统,用于调整传输管路中的气压;所述发电子系统利用制氢子系统制得的氢气发电;The hydrogen production subsystem transmits the produced hydrogen to the power generation subsystem through the transmission pipeline in real time; the transmission pipeline is provided with a gas pressure adjustment subsystem for adjusting the air pressure in the transmission pipeline; the power generation subsystem utilizes Hydrogen generation from a hydrogen production subsystem;
所述气压调节子系统包括微处理器、气体压力传感器、阀门控制器、出气阀、出气管路;所述气体压力传感器设置于传输管路中,用以感应传输管路中的气压数据,并将感应的气压数据发送至微处理器;所述微处理器将从气体压力传感器接收的该气压数据与设定阈值区间进行比对;当接收到的压力数据高于设定阈值区间的最大值,微处理器控制阀门控制器打开出气阀设定时间,使得传输管路中气压处于设定范围,同时出气管路的一端连接出气阀,另一端连接所述制氢子系 统,通过燃烧为制氢子系统的需加热设备进行加热;当接收到的压力数据低于设定阈值区间的最小值,微处理器控制所述制氢子系统加快原料的输送速度;The air pressure adjusting subsystem includes a microprocessor, a gas pressure sensor, a valve controller, an air outlet valve, and an air outlet pipeline; the gas pressure sensor is disposed in the transmission pipeline to sense air pressure data in the transmission pipeline, and Transmitting the sensed air pressure data to a microprocessor; the microprocessor compares the air pressure data received from the gas pressure sensor with a set threshold interval; when the received pressure data is above a maximum value of the set threshold interval The microprocessor controls the valve controller to open the outlet valve set time, so that the air pressure in the transmission line is within the set range, and one end of the outlet line is connected to the outlet valve, and the other end is connected to the hydrogen generation subsystem. Heating, heating by the heating device for the hydrogen production subsystem; when the received pressure data is lower than the minimum value of the set threshold interval, the microprocessor controls the hydrogen production subsystem to accelerate the conveying speed of the raw material;
所述收集利用子系统连接发电子系统的排气通道出口,从排出的气体中分别收集氢气、氧气、水,利用收集到的氢气、氧气供制氢子系统或/和发电子系统使用,收集到的水作为制氢子系统的原料,从而循环使用;The collection and utilization subsystem is connected to the exhaust passage outlet of the power generation subsystem, and collects hydrogen, oxygen, and water separately from the exhausted gas, and uses the collected hydrogen and oxygen for the hydrogen production subsystem or/and the power generation subsystem to collect and collect The water obtained is used as a raw material for the hydrogen production subsystem, thereby being recycled;
所述收集利用子系统包括氢氧分离器、氢水分离器、氢气止回阀、氧水分离器、氧气止回阀,将氢气与氧气分离,而后分别将氢气与水分离、氧气与水分离。The collection and utilization subsystem comprises a hydrogen-oxygen separator, a hydrogen water separator, a hydrogen check valve, an oxygen water separator, an oxygen check valve, and separates hydrogen from oxygen, and then separates hydrogen from water and oxygen and water, respectively. .
一种利用即时制得的氢气进行发电的系统,所述系统包括:制氢子系统、发电子系统、收集利用子系统,制氢子系统、发电子系统、收集利用子系统依次连接;A system for generating electricity by using hydrogen produced in real time, the system comprising: a hydrogen production subsystem, a power generation subsystem, a collection and utilization subsystem, a hydrogen production subsystem, a power generation subsystem, and a collection and utilization subsystem are sequentially connected;
所述制氢子系统利用甲醇水制备氢气,将制得的氢气通过传输管路实时传输至发电子系统用于发电;The hydrogen production subsystem uses methanol water to prepare hydrogen, and the produced hydrogen is transmitted to the power generation subsystem in real time through a transmission pipeline for power generation;
所述收集利用子系统连接发电子系统的排气通道出口,从排出的气体中收集氢气,或利用收集到的氢气供制氢子系统或/和发电子系统使用。The collection utilizes subsystems to connect the exhaust passage outlets of the power generation subsystem, collect hydrogen from the exhausted gases, or utilize the collected hydrogen for use in a hydrogen production subsystem or/and a power generation subsystem.
作为本发明的一种优选方案,所述收集利用子系统包括氢水分离器、氢气止回阀,发电子系统的排气通道出口连接氢水分离器的入口,氢水分离器出口处连接的管路内设有氢气止回阀;所述氢水分离器用于分离氢气与水。As a preferred solution of the present invention, the collection and utilization subsystem comprises a hydrogen water separator, a hydrogen check valve, an exhaust passage outlet of the power generation subsystem is connected to the inlet of the hydrogen water separator, and the hydrogen water separator is connected at the outlet. A hydrogen check valve is disposed in the pipeline; the hydrogen water separator is used to separate hydrogen and water.
作为本发明的一种优选方案,所述收集利用子系统还包括氢氧分离器,用于分离氢气及氧气;氢氧分离器设置于所述发电子系统排气通道出口与氢水分离器之间。As a preferred solution of the present invention, the collection and utilization subsystem further includes a hydrogen-oxygen separator for separating hydrogen and oxygen; and a hydrogen-oxygen separator disposed at the outlet of the power generation subsystem exhaust passage and the hydrogen water separator. between.
作为本发明的一种优选方案,所述收集利用子系统还包括氧水分离器、氧气止回阀,用于收集氧气;As a preferred embodiment of the present invention, the collection and utilization subsystem further includes an oxygen water separator and an oxygen check valve for collecting oxygen;
所述收集利用子系统收集的氢气与氧气供制氢子系统或/和发电子系统使用。The collection utilizes hydrogen and oxygen collected by the subsystem for use in a hydrogen production subsystem or/and a power generation subsystem.
作为本发明的一种优选方案,所述收集利用子系统包括气水分离器,将收集到的水输送至制氢子系统,从而循环利用。As a preferred embodiment of the present invention, the collection and utilization subsystem includes a gas water separator that delivers the collected water to the hydrogen production subsystem for recycling.
一种上述系统的制氢发电方法,所述制氢发电方法包括如下步骤:A hydrogen production method of the above system, the hydrogen production method comprising the following steps:
所述制氢子系统利用甲醇水制备氢气,将制得的氢气通过传输管路实时传输 至发电子系统;The hydrogen production subsystem uses methanol water to prepare hydrogen, and the produced hydrogen is transmitted in real time through a transmission pipeline. To the power generation subsystem;
所述发电子系统利用制氢子系统制得的氢气发电;The power generation subsystem generates electricity by using hydrogen produced by a hydrogen production subsystem;
所述收集利用子系统连接发电子系统的排气通道出口,从排出的气体中收集氢气,或利用收集到的氢气供制氢子系统或/和发电子系统使用。The collection utilizes subsystems to connect the exhaust passage outlets of the power generation subsystem, collect hydrogen from the exhausted gases, or utilize the collected hydrogen for use in a hydrogen production subsystem or/and a power generation subsystem.
作为本发明的一种优选方案,所述方法还包括:氧气收集利用步骤,通过收集利用子系统收集氧气;将收集到的氢气和氧气供制氢子系统或/和发电子系统使用。As a preferred embodiment of the present invention, the method further comprises: an oxygen collection and utilization step, collecting oxygen by collecting the utilization subsystem; and using the collected hydrogen and oxygen for the hydrogen production subsystem or/and the power generation subsystem.
作为本发明的一种优选方案,所述方法还包括:水收集利用步骤,通过收集利用子系统收集水,将收集到的水输送至制氢子系统,从而循环利用。As a preferred embodiment of the present invention, the method further comprises: a water collection and utilization step, collecting water by collecting the utilization subsystem, and conveying the collected water to the hydrogen production subsystem for recycling.
本发明的有益效果在于:本发明提出的利用即时制得的氢气进行发电的系统及方法,可收集发电子系统排出的余气,并从中提取出氢气、氧气、水,氢气、氧气可以燃烧放热,为发电子系统提供热能,水可以传输至制氢子系统循环利用,系统不需要额外的水源。本发明可以提高系统发电的效率,节省能源。The invention has the beneficial effects that the system and the method for generating electricity by using the hydrogen produced in real time can collect the residual gas discharged from the power generation subsystem, and extract hydrogen, oxygen and water therefrom, and the hydrogen and oxygen can be burned. Heat, providing heat to the power generation subsystem, water can be transferred to the hydrogen production subsystem for recycling, and the system does not require an additional water source. The invention can improve the efficiency of system power generation and save energy.
此外,本发明还可以利用即时制备的氢气发电,无需氢气缓冲罐,通过气压调节子系统调整传输管路中的氢气气压;由于气压调节子系统的体积很小,因而能够进一步提高制氢发电系统的便携性、可移动性。In addition, the present invention can also utilize the hydrogen produced by the instant preparation, without the hydrogen buffer tank, and adjust the hydrogen gas pressure in the transmission pipeline through the air pressure adjusting subsystem; since the volume of the air pressure adjusting subsystem is small, the hydrogen generating power generation system can be further improved. Portability and mobility.
附图说明DRAWINGS
图1为实施例一中本发明即时制氢发电系统的组成示意图。1 is a schematic view showing the composition of an instant hydrogen production system of the present invention in the first embodiment.
图2为实施例一中收集利用子系统的工作示意图。FIG. 2 is a schematic diagram of the operation of the collection and utilization subsystem in the first embodiment.
图3为实施例二中本发明即时制氢发电系统的组成示意图。3 is a schematic view showing the composition of the instant hydrogen production system of the present invention in the second embodiment.
图4为实施例三中制氢子系统的组成示意图。4 is a schematic view showing the composition of a hydrogen production subsystem in the third embodiment.
图5为实施例四中制氢子系统的组成示意图。FIG. 5 is a schematic view showing the composition of a hydrogen production subsystem in the fourth embodiment.
图6为实施例四中第一启动装置的结构示意图。6 is a schematic structural view of a first starting device in the fourth embodiment.
具体实施方式detailed description
下面结合附图详细说明本发明的优选实施例。 Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
实施例一Embodiment 1
请参阅图1,本发明揭示了一种利用即时制得的氢气进行发电的系统,所述系统包括:制氢子系统100、发电子系统300、收集利用子系统400,制氢子系统100、发电子系统200、收集利用子系统400依次连接;Referring to FIG. 1 , the present invention discloses a system for generating electricity by using hydrogen produced in real time. The system includes: a hydrogen production subsystem 100 , a power generation subsystem 300 , a collection and utilization subsystem 400 , a hydrogen production subsystem 100 , The power generation subsystem 200 and the collection and utilization subsystem 400 are sequentially connected;
所述制氢子系统100利用甲醇水制备氢气,将制得的氢气通过传输管路实时传输至发电子系统300用于发电;The hydrogen production subsystem 100 prepares hydrogen by using methanol water, and transmits the produced hydrogen to the power generation subsystem 300 for power generation through a transmission pipeline in real time;
所述收集利用子系统400连接发电子系统300的排气通道出口,从排出的气体中收集氢气,或利用收集到的氢气供制氢子系统100或/和发电子系统300使用。The collection utilization subsystem 400 connects the exhaust passage outlets of the power generation subsystem 300, collects hydrogen from the exhausted gases, or utilizes the collected hydrogen for use by the hydrogen production subsystem 100 or/and the power generation subsystem 300.
如图2所示,所述收集利用子系统400包括氢水分离器401、氢气止回阀402,发电子系统300的排气通道出口连接氢水分离器401的入口,氢水分离器401出口处连接的管路内设有氢气止回阀402,防止氢气倒灌;所述氢水分离器401用于分离氢气与水。此外,所述收集利用子系统还包括氢氧分离器,用于分离氢气及氧气;氢氧分离器设置于所述发电子系统排气通道出口与氢水分离器之间。As shown in FIG. 2, the collection utilization subsystem 400 includes a hydrogen water separator 401 and a hydrogen check valve 402. The exhaust passage outlet of the power generation subsystem 300 is connected to the inlet of the hydrogen water separator 401, and the hydrogen water separator 401 is connected. A hydrogen check valve 402 is provided in the connected pipeline to prevent hydrogen from being poured; the hydrogen water separator 401 is used to separate hydrogen and water. In addition, the collection and utilization subsystem further includes a hydrogen-oxygen separator for separating hydrogen and oxygen; and a hydrogen-oxygen separator disposed between the outlet of the power generation subsystem exhaust passage and the hydrogen water separator.
本实施例中,所述收集利用子系统400还包括氧水分离器411、氧气止回阀412,用于收集氧气。所述收集利用子系统400收集的氢气与氧气供制氢子系统100使用,也可以供发电子系统300使用。此外,收集到的氧气可以存放于设定容器中,供人们吸氧;收集到的水可以供人们饮用。In this embodiment, the collection and utilization subsystem 400 further includes an oxygen water separator 411 and an oxygen check valve 412 for collecting oxygen. The collection and utilization of the hydrogen and oxygen collected by the subsystem 400 for use in the hydrogen production subsystem 100 can also be used by the power generation subsystem 300. In addition, the collected oxygen can be stored in a set container for people to breathe oxygen; the collected water can be used for drinking.
由于所述收集利用子系统包括气水分离器(如上述氢水分离器、氧水分离器),因此可以收集到水(比原料中的水分还要多若干倍,因为甲醇中也含有氢原子,制得氢气后与氧气反应得到水),将水输送至制氢子系统100,原料水可以循环利用,无需另外添加。Since the collection and utilization subsystem includes a gas water separator (such as the above-described hydrogen water separator, oxygen water separator), water can be collected (a few times more than the moisture in the raw material because methanol also contains hydrogen atoms). The hydrogen is produced and reacted with oxygen to obtain water), and the water is sent to the hydrogen production subsystem 100, and the raw water can be recycled without additional addition.
因此,本发明系统可以从发电子系统的余气中收集氢气、氧气、水等有用物质,可以提高系统的发电效率,同时节省原料(水)。Therefore, the system of the present invention can collect useful substances such as hydrogen, oxygen, water and the like from the residual gas of the power generation subsystem, thereby improving the power generation efficiency of the system and saving raw materials (water).
实施例二Embodiment 2
本实施例与实施例一的区别在于,本实施例中,请参阅图3,本发明即时制氢发电系统包括制氢子系统100、气压调节子系统200、发电子系统300,制氢 子系统100、气压调节子系统200、发电子系统300依次连接。所述制氢子系统100利用甲醇水制备氢气,将制得的氢气通过传输管路实时传输至发电子系统300;所述传输管路设有气压调节子系统200,用于调整传输管路中的气压;所述发电子系统300利用制氢子系统制得的氢气发电。The difference between this embodiment and the first embodiment is that, in this embodiment, referring to FIG. 3, the instant hydrogen production system of the present invention comprises a hydrogen production subsystem 100, a gas pressure regulation subsystem 200, a power generation subsystem 300, and hydrogen production. The subsystem 100, the air pressure regulation subsystem 200, and the power generation subsystem 300 are sequentially connected. The hydrogen production subsystem 100 uses hydrogen to prepare hydrogen gas, and the produced hydrogen gas is transmitted to the power generation subsystem 300 through a transmission pipeline in real time; the transmission pipeline is provided with a gas pressure regulation subsystem 200 for adjusting the transmission pipeline. The gas pressure is generated by the power generation subsystem 300 using hydrogen produced by the hydrogen production subsystem.
所述制氢子系统利用甲醇水制备氢气,所述制氢子系统包括固态氢气储存容器、液体储存容器、原料输送装置、制氢设备、膜分离装置。The hydrogen production subsystem uses methanol water to prepare hydrogen. The hydrogen production subsystem includes a solid hydrogen storage container, a liquid storage container, a raw material conveying device, a hydrogen production device, and a membrane separation device.
如图3所示,所述气压调节子系统200包括微处理器21、气体压力传感器22、阀门控制器23、出气阀24、出气管路25。所述气体压力传感器22设置于传输管路中,用以感应传输管路中的气压数据,并将感应的气压数据发送至微处理器21;所述微处理器21将从气体压力传感器22接收的该气压数据与设定阈值区间进行比对,并以此控制出气阀24的开关。当接收到的压力数据高于设定阈值区间的最大值,微处理器21控制阀门控制器23打开出气阀设定时间,使得传输管路中气压处于设定范围.优选地,出气管路25的一端连接出气阀24,另一端连接所述制氢子系统100,通过燃烧为制氢子系统100的需加热设备(如重整室)进行加热;当接收到的压力数据低于设定阈值区间的最小值,微处理器21控制所述制氢子系统100加快原料的输送速度,从而提高制氢速度。As shown in FIG. 3, the air pressure adjusting subsystem 200 includes a microprocessor 21, a gas pressure sensor 22, a valve controller 23, an air outlet valve 24, and an air outlet line 25. The gas pressure sensor 22 is disposed in the transmission line for sensing the air pressure data in the transmission line and transmitting the sensed air pressure data to the microprocessor 21; the microprocessor 21 will receive the gas pressure sensor 22 The air pressure data is compared with a set threshold interval, and thereby the switch of the air outlet valve 24 is controlled. When the received pressure data is higher than the maximum value of the set threshold interval, the microprocessor 21 controls the valve controller 23 to open the outlet valve set time so that the air pressure in the transmission line is within the set range. Preferably, the outlet line 25 One end is connected to the outlet valve 24, the other end is connected to the hydrogen production subsystem 100, and is heated by the combustion to the heating device (such as the reforming chamber) of the hydrogen production subsystem 100; when the received pressure data is lower than the set threshold The minimum value of the interval, the microprocessor 21 controls the hydrogen production subsystem 100 to speed up the delivery rate of the raw material, thereby increasing the hydrogen production rate.
以上介绍了本发明即时制氢发电系统,本发明在揭示上述即时制氢发电系统的同时,还揭示一种上述即时制氢发电系统的发电方法,所述发电方法包括:The instant hydrogen production system of the present invention is described above. The present invention discloses a power generation method for the instant hydrogen production system described above, and the power generation method includes:
【步骤S1】所述制氢子系统利用甲醇水制备氢气,将制得的氢气通过传输管路实时传输至发电子系统。[Step S1] The hydrogen production subsystem uses methanol water to prepare hydrogen, and the produced hydrogen is transmitted to the power generation subsystem in real time through a transmission pipeline.
所述制氢子系统制备氢气的过程包括:The process for preparing hydrogen by the hydrogen production subsystem includes:
固态氢气储存容器中储存固态氢气,当制氢系统启动时,通过气化模块将固态氢气转换为气态氢气,气态氢气通过燃烧放热,为制氢设备提供启动热能,作为制氢设备的启动能源;The solid hydrogen storage tank stores solid hydrogen. When the hydrogen production system is started, the solid hydrogen is converted into gaseous hydrogen through the gasification module, and the gaseous hydrogen is heated by combustion to provide starting heat energy for the hydrogen production equipment, and is used as a starting energy for the hydrogen production equipment. ;
所述原料输送装置提供动力,将液体储存容器中的原料输送至制氢设备;所述原料输送装置向原料提供0.15~5M Pa的压强,使得制氢设备制得的氢气具有足够的压强;The raw material conveying device provides power to deliver the raw material in the liquid storage container to the hydrogen producing device; the raw material conveying device supplies a pressure of 0.15 to 5 MPa to the raw material, so that the hydrogen produced by the hydrogen producing device has a sufficient pressure;
制氢设备制备氢气; Hydrogen production equipment for hydrogen production;
所述制氢设备制得的氢气输送至膜分离装置进行分离,用于分离氢气的膜分离装置的内外压强之差大于等于0.7M Pa(如1.1MPa)。The hydrogen produced by the hydrogen production unit is sent to a membrane separation device for separation, and the difference between the internal and external pressures of the membrane separation device for separating hydrogen is greater than or equal to 0.7 M Pa (e.g., 1.1 MPa).
【步骤S2】所述传输管路设有气压调节子系统,调整传输管路中的气压;所述气体压力传感器设置于传输管路中,感应传输管路中的气压数据,并将感应的气压数据发送至微处理器;所述微处理器根据所述气体压力传感器感应的气压数据控制出气阀的开关。[Step S2] The transmission line is provided with a gas pressure adjusting subsystem to adjust the air pressure in the transmission line; the gas pressure sensor is disposed in the transmission line, inducts the air pressure data in the transmission line, and induces the air pressure The data is sent to a microprocessor; the microprocessor controls the opening and closing of the air outlet valve based on the air pressure data sensed by the gas pressure sensor.
所述气压调节子系统进行气压调节时具体包括:所述微处理器将所述气体压力传感器感应的气压数据与设定阈值区间进行比对;当接收到的压力数据高于设定阈值区间的最大值,微处理器控制阀门控制器打开出气阀设定时间,使得传输管路中气压处于设定范围;当接收到的压力数据低于设定阈值区间的最小值,微处理器控制所述制氢子系统加快原料的输送速度。When the air pressure adjustment subsystem performs air pressure adjustment, the method specifically includes: the microprocessor compares the air pressure data sensed by the gas pressure sensor with a set threshold interval; when the received pressure data is higher than a set threshold interval The maximum value, the microprocessor controls the valve controller to open the outlet valve set time, so that the air pressure in the transmission line is within the set range; when the received pressure data is lower than the minimum value of the set threshold interval, the microprocessor controls the The hydrogen production subsystem speeds up the delivery of raw materials.
【步骤S3】所述发电子系统利用制氢子系统制得的氢气发电。[Step S3] The power generation subsystem generates electricity by using hydrogen produced by the hydrogen production subsystem.
实施例三Embodiment 3
本实施例与实施例一的区别在于,本实施例中,请参阅图4,所述制氢子系统利用甲醇水制备氢气,所述制氢子系统包括固态氢气储存容器80、液体储存容器10、原料输送装置50、制氢设备20、膜分离装置30。The difference between this embodiment and the first embodiment is that, in this embodiment, referring to FIG. 4, the hydrogen production subsystem uses methanol water to prepare hydrogen, and the hydrogen production subsystem includes a solid hydrogen storage container 80 and a liquid storage container 10. The raw material conveying device 50, the hydrogen producing device 20, and the membrane separating device 30.
所述固态氢气储存容器80、液体储存容器10分别与制氢设备20连接;液体储存容器10中储存有液态的甲醇和水,所述固态氢气储存容器80中储存固态氢气。The solid hydrogen storage container 80 and the liquid storage container 10 are respectively connected to the hydrogen producing device 20; the liquid storage container 10 stores liquid methanol and water, and the solid hydrogen storage container 80 stores solid hydrogen.
当制氢系统启动时,通过气化模块将固态氢气储存容器80中的固态氢气转换为气态氢气,气态氢气通过燃烧放热,为制氢设备20提供启动热能,作为制氢设备20的启动能源。当然,固态氢气储存容器80不是本发明的必要设备,可以通过其他能源启动制氢设备20。When the hydrogen production system is started, the solid hydrogen in the solid hydrogen storage container 80 is converted into gaseous hydrogen by the gasification module, and the gaseous hydrogen is exothermic through combustion to provide the startup heat energy to the hydrogen production device 20 as the starting energy of the hydrogen production device 20. . Of course, the solid hydrogen storage container 80 is not a necessary device of the present invention, and the hydrogen production unit 20 can be started by other energy sources.
所述原料输送装置50提供动力,将液体储存容器10中的原料输送至制氢设备20;所述原料输送装置50向原料提供0.15~5M Pa的压强(如提供0.2M Pa或1.1M Pa或1.2M Pa或1.5M Pa或5M Pa的压强),使得制氢设备20制得的氢气具有足够的压强。所述制氢设备20启动制氢后,制氢设备20制得的部分氢气 或/和余气通过燃烧维持制氢设备20运行(当然,制氢设备20的运行还可以通过其他能源)。The material conveying device 50 provides power to deliver the raw materials in the liquid storage container 10 to the hydrogen producing device 20; the raw material conveying device 50 supplies a pressure of 0.15 to 5 MPa to the raw material (if 0.2 M Pa or 1.1 M Pa is provided or The pressure of 1.2 M Pa or 1.5 M Pa or 5 M Pa makes the hydrogen produced by the hydrogen producing apparatus 20 have a sufficient pressure. After the hydrogen production device 20 starts hydrogen production, part of the hydrogen produced by the hydrogen production device 20 Or / and the residual gas is maintained by the combustion to maintain the hydrogen plant 20 (of course, the operation of the hydrogen plant 20 can also pass other energy sources).
所述制氢设备20制得的氢气输送至膜分离装置30进行分离,用于分离氢气的膜分离装置30的内外压强之差大于等于0.7M Pa(如膜分离装置30的内外压强为0.7M Pa或1.1M Pa或1.2M Pa或1.5M Pa或5M Pa)。The hydrogen produced by the hydrogen production unit 20 is sent to the membrane separation device 30 for separation, and the difference between the internal and external pressures of the membrane separation device 30 for separating hydrogen is 0.7 MPa or more (for example, the internal and external pressure of the membrane separation device 30 is 0.7 M). Pa or 1.1 M Pa or 1.2 M Pa or 1.5 M Pa or 5 M Pa).
本实施例中,所述膜分离装置30为在多孔陶瓷表面真空镀钯银合金的膜分离装置,镀膜层为钯银合金,钯银合金的质量百分比钯占75%~78%,银占22%~25%。所述膜分离装置30的制备工艺包括如下步骤:In this embodiment, the membrane separation device 30 is a membrane separation device for vacuum-plating palladium-silver alloy on a porous ceramic surface, the coating layer is a palladium-silver alloy, and the palladium-silver alloy has a mass percentage of palladium of 75% to 78%, and silver accounts for 22%. %~25%. The preparation process of the membrane separation device 30 includes the following steps:
步骤1、将多孔陶瓷设置于磁控溅射装置的真空室内;Step 1. The porous ceramic is placed in a vacuum chamber of the magnetron sputtering device;
步骤2、利用磁控溅射装置的磁场产生机构产生磁场,使得金属靶产生偏差电流,金属靶作为负极,从而使多孔陶瓷表面带有磁层体;所述金属靶的材料为溅射贵重金属,所述贵重金属为钯银合金,质量百分比钯占75%~78%,银占22%~25%;Step 2. The magnetic field generating mechanism of the magnetron sputtering device generates a magnetic field, so that the metal target generates a bias current, and the metal target serves as a negative electrode, so that the porous ceramic surface has a magnetic layer body; the metal target material is a sputtering precious metal The precious metal is a palladium-silver alloy, the mass percentage of palladium accounts for 75% to 78%, and the silver accounts for 22% to 25%;
步骤3、在金属靶产生偏差电流的同时,对磁控溅射装置的真空室进行加热,温度控制在350℃~800℃;Step 3, while the metal target generates a bias current, the vacuum chamber of the magnetron sputtering device is heated, and the temperature is controlled at 350 ° C to 800 ° C;
步骤4、抽出真空室内的气体,当真空室内的真空度小于10-2Pa时,向真空室内充入设定浓度的氩气;Step 4, extracting the gas in the vacuum chamber, when the vacuum degree in the vacuum chamber is less than 10 -2 Pa, charging the vacuum chamber with a set concentration of argon gas;
步骤5、向金属靶通入电流,进行溅射镀膜;金属靶产生的离子在电场的作用下加速飞向多孔陶瓷表面的过程中与氩原子发生碰撞,电离出大量的氩离子和电子,电子飞向多孔陶瓷表面;氩离子在电场的作用下加速轰击金属靶,溅射出大量的金属靶靶材原子或分子,呈中性的靶原子或分子沉积在多孔陶瓷表面上,形成1~15μm的贵重金属薄膜;Step 5: a current is applied to the metal target to perform sputtering coating; ions generated by the metal target collide with the argon atoms during the acceleration of the flying toward the porous ceramic surface by the electric field, and ionize a large amount of argon ions and electrons, and electrons. Flying toward the surface of the porous ceramic; the argon ions accelerate the bombardment of the metal target under the action of the electric field, and sputter a large number of metal target target atoms or molecules, and the neutral target atoms or molecules are deposited on the surface of the porous ceramic to form 1-15 μm. Precious metal film;
其中,在溅射镀膜的过程中还包括氩气浓度检测步骤;实时或者以设定时间间隔检测真空室内的氩气浓度,当氩气浓度低于设定阈值时自动打开氩气充气阀门,向真空室内充入氩气,直至真空室内的氩气浓度符合设定阈值范围;Wherein, the argon gas concentration detecting step is further included in the process of sputter coating; the argon gas concentration in the vacuum chamber is detected in real time or at set time intervals, and the argon gas inflating valve is automatically opened when the argon gas concentration is lower than the set threshold value, The vacuum chamber is filled with argon gas until the argon concentration in the vacuum chamber meets a set threshold range;
在溅射镀膜的过程中还包括气压检测步骤;实时或者以设定时间间隔检测真空室内的气压,当真空室内的气压不在设定阈值区间,调整真空室内的气压至设定阈值区间; In the process of sputter coating, the air pressure detecting step is further included; the air pressure in the vacuum chamber is detected in real time or at set time intervals, and when the air pressure in the vacuum chamber is not within the set threshold interval, the air pressure in the vacuum chamber is adjusted to a set threshold interval;
步骤6、向真空室内通入大气,取出工件。Step 6. Pass the atmosphere into the vacuum chamber and take out the workpiece.
优选地,所述制氢设备包括换热器、气化室、重整室;膜分离装置设置于分离室内,分离室设置于重整室的上部。Preferably, the hydrogen production apparatus includes a heat exchanger, a gasification chamber, and a reforming chamber; the membrane separation device is disposed in the separation chamber, and the separation chamber is disposed at an upper portion of the reforming chamber.
所述液体储存容器中的甲醇和水通过原料输送装置输送至换热器换热,换热后进入气化室气化;气化后的甲醇蒸气及水蒸气进入重整室,重整室内设有催化剂,重整室下部及中部温度为350℃~409℃;所述重整室上部的温度为400℃~570℃;重整室与分离室通过连接管路连接,连接管路的全部或部分设置于重整室的上部,能通过重整室上部的高温继续加热从重整室输出的气体;所述连接管路作为重整室与分离室之间的缓冲,使得从重整室输出的气体的温度与分离室的温度相同或接近;所述分离室内的温度设定为400℃~570℃;分离室内设有膜分离器,从膜分离器的产气端得到氢气。The methanol and water in the liquid storage container are transported to the heat exchanger through the raw material conveying device for heat exchange, and then enter the gasification chamber for gasification after heat exchange; the vaporized methanol vapor and water vapor enter the reforming chamber, and the reforming chamber is set. There is a catalyst, the temperature of the lower part and the middle part of the reforming chamber is 350 ° C ~ 409 ° C; the temperature of the upper part of the reforming chamber is 400 ° C ~ 570 ° C; the reforming chamber and the separation chamber are connected by a connecting pipe, connecting all or Partially disposed at an upper portion of the reforming chamber, the gas output from the reforming chamber can be continuously heated by the high temperature of the upper portion of the reforming chamber; the connecting conduit acts as a buffer between the reforming chamber and the separation chamber, so that the output from the reforming chamber is outputted The temperature of the gas is the same as or close to the temperature of the separation chamber; the temperature in the separation chamber is set to 400 ° C to 570 ° C; a membrane separator is provided in the separation chamber, and hydrogen gas is obtained from the gas producing end of the membrane separator.
以上介绍了甲醇水制氢子系统的组成,本发明还揭示一种利用上述甲醇水制氢子系统的制氢方法,所述制氢方法包括:The above describes the composition of the methanol water hydrogen production subsystem, and the invention also discloses a hydrogen production method using the above methanol water hydrogen production subsystem, the hydrogen production method comprising:
【步骤0】所述固态氢气储存容器中储存固态氢气,当制氢系统启动时,通过气化模块将固态氢气转换为气态氢气,气态氢气通过燃烧放热,为制氢设备提供启动热能,作为制氢设备的启动能源;[Step 0] The solid hydrogen storage container stores solid hydrogen. When the hydrogen production system is started, the solid hydrogen is converted into gaseous hydrogen by the gasification module, and the gaseous hydrogen is heated by combustion to provide start-up heat energy for the hydrogen production device. Starting energy for hydrogen production equipment;
【步骤1】所述原料输送装置提供动力,将液体储存容器中的原料输送至制氢设备;所述原料输送装置向原料提供0.15~5M Pa的压强,使得制氢设备制得的氢气具有足够的压强;[Step 1] The raw material conveying device supplies power to deliver the raw material in the liquid storage container to the hydrogen producing device; the raw material conveying device supplies a pressure of 0.15 to 5 MPa to the raw material, so that the hydrogen produced by the hydrogen producing device has sufficient Pressure
【步骤2】制氢设备制备氢气;具体包括:[Step 2] Hydrogen production equipment prepares hydrogen; specifically includes:
所述液体储存容器中的甲醇和水通过原料输送装置输送至换热器换热,换热后进入气化室气化;The methanol and water in the liquid storage container are transported to the heat exchanger through the raw material conveying device for heat exchange, and then enter the gasification chamber for gasification after heat exchange;
气化后的甲醇蒸气及水蒸气进入重整室,重整室内设有催化剂,重整室下部及中部温度为300℃~420℃;The vaporized methanol vapor and water vapor enter the reforming chamber, and the reforming chamber is provided with a catalyst, and the temperature of the lower part and the middle part of the reforming chamber is 300 ° C to 420 ° C;
所述重整室上部的温度为400℃~570℃;重整室与分离室通过连接管路连接,连接管路的全部或部分设置于重整室的上部,能通过重整室上部的高温继续加热从重整室输出的气体;所述连接管路作为重整室与分离室之间的缓冲,使得从重整室输出的气体的温度与分离室的温度相同或接近; The temperature of the upper portion of the reforming chamber is 400 ° C to 570 ° C; the reforming chamber and the separation chamber are connected by a connecting pipe, and all or part of the connecting pipe is disposed at an upper portion of the reforming chamber, and can pass the high temperature of the upper portion of the reforming chamber Continuing to heat the gas output from the reforming chamber; the connecting line acts as a buffer between the reforming chamber and the separating chamber such that the temperature of the gas output from the reforming chamber is the same as or close to the temperature of the separating chamber;
所述分离室内的温度设定为350℃~570℃;分离室内设有膜分离器,从膜分离器的产气端得到氢气。The temperature in the separation chamber is set to 350 ° C to 570 ° C; a membrane separator is provided in the separation chamber, and hydrogen gas is obtained from the gas producing end of the membrane separator.
【步骤3】所述制氢设备制得的氢气输送至膜分离装置进行分离,用于分离氢气的膜分离装置的内外压强之差大于等于0.7M Pa;[Step 3] The hydrogen produced by the hydrogen production equipment is sent to a membrane separation device for separation, and the difference between the internal and external pressures of the membrane separation device for separating hydrogen is greater than or equal to 0.7 MPa;
本实施例中,制氢子系统将分离室设置于重整室的上部,重整室上部相比中部及下部的温度较高,通过连接管路连接重整室与分离室,连接管路在输送的过程中能利用重整室上部的高温加热输送的气体,起到预热作用,同时加热方式非常便捷。在重整室与分离室之间的管路作为预热控温机构,可以对从重整室输出的气体进行加热,使得从重整室输出的气体的温度与分离室的温度相同或接近;从而可以分别保证重整室内催化剂的低温要求,以及分离室的高温要求,进而提高氢气制备效率。In this embodiment, the hydrogen production subsystem sets the separation chamber at the upper portion of the reforming chamber, and the upper portion of the reforming chamber has a higher temperature than the middle portion and the lower portion, and the reforming chamber and the separation chamber are connected through the connecting pipeline, and the connecting pipeline is In the process of conveying, the gas conveyed by the high temperature in the upper part of the reforming chamber can be used to preheat, and the heating method is very convenient. The pipeline between the reforming chamber and the separation chamber serves as a preheating temperature control mechanism, and the gas output from the reforming chamber can be heated such that the temperature of the gas output from the reforming chamber is the same as or close to the temperature of the separation chamber; Therefore, the low temperature requirement of the catalyst in the reforming chamber and the high temperature requirement of the separation chamber can be ensured separately, thereby improving the hydrogen production efficiency.
实施例四Embodiment 4
本实施例与实施例三的区别在于,本实施例中,制氢子系统不设置固态氢气储存容器80,请参阅图5,制氢子系统包括:液体储存容器10、原料输送装置50、快速启动装置、制氢设备20、膜分离装置30。所述快速启动装置为制氢设备提供启动能源;所述快速启动装置包括第一启动装置40、第二启动装置60。The difference between this embodiment and the third embodiment is that, in the embodiment, the hydrogen production subsystem is not provided with the solid hydrogen storage container 80. Referring to FIG. 5, the hydrogen production subsystem includes: the liquid storage container 10, the raw material conveying device 50, and the fast The starting device, the hydrogen producing device 20, and the membrane separating device 30 are provided. The quick start device provides a starting energy source for the hydrogen producing device; the quick starting device includes a first starting device 40 and a second starting device 60.
如图6所示,所述第一启动装置40包括壳体41、第一加热机构42、第一气化管路43,第一气化管路43的内径为1~2mm,第一气化管路43紧密地缠绕于第一加热机构42上;第一加热机构42可以为电加热棒,利用交流电或蓄电池、干电池即可。As shown in FIG. 6 , the first starting device 40 includes a housing 41 , a first heating mechanism 42 , and a first gasification pipeline 43 . The first gasification pipeline 43 has an inner diameter of 1 to 2 mm, and the first gasification is performed. The pipeline 43 is tightly wound around the first heating mechanism 42. The first heating mechanism 42 may be an electric heating rod, and may be an alternating current or a battery or a dry battery.
所述第一气化管路43的一端连接液体储存容器10,甲醇被送入第一气化管路43中;第一气化管路43的另一端输出被气化的甲醇,而后通过点火机构点火燃烧;或者,第一气化管路43的另一端输出被气化的甲醇,且输出的甲醇温度达到自燃点,甲醇从第一气化管路43输出后直接自燃。One end of the first gasification line 43 is connected to the liquid storage container 10, and methanol is sent to the first gasification line 43; the other end of the first gasification line 43 outputs vaporized methanol, and then passes through the ignition. The mechanism is ignited and burned; or the other end of the first gasification line 43 outputs the vaporized methanol, and the output methanol reaches the self-ignition point, and the methanol is directly self-ignited after being output from the first gasification line 43.
所述第二启动装置60包括第二气化管路,第二气化管路的主体设置于所述重整室内,第二气化管路为重整室加热(还可以为制氢系统其他单元加热)。第一气化管路43或/和第二气化管路输出的甲醇为重整室加热的同时加热第二气 化管路,将第二气化管路中的甲醇气化。The second starting device 60 includes a second gasification pipeline, the main body of the second gasification pipeline is disposed in the reforming chamber, and the second gasification pipeline is heated by the reforming chamber (may also be a hydrogen production system Unit heating). The methanol output from the first gasification line 43 or/and the second gasification line heats the second gas while heating the reforming chamber The pipeline is used to vaporize methanol in the second gasification line.
首先,需要第一气化管路43输出的甲醇加热第二气化管路,待第二气化管路可以持续产生气化的甲醇后设定时间,可以选择关闭第一启动装置40,而由第二气化管路输出的甲醇为第二气化管路加热;这样可以进一步减少对外部能源的依赖。First, the methanol outputted by the first gasification line 43 is required to heat the second gasification pipeline. After the second gasification pipeline can continuously generate the vaporized methanol, the set time is set, and the first startup device 40 can be selectively closed. The methanol output from the second gasification line is heated by the second gasification line; this further reduces the dependence on external energy sources.
请参阅图6,为了提高制氢设备的加热速度,在所述制氢设备20的重整室内壁设有加热管路21,加热管路21内放有催化剂(如可以将加热温度控制在380℃~480℃);所述快速启动装置40通过加热所述加热管路21为重整室加热,可以提高加热效率。Referring to FIG. 6, in order to increase the heating speed of the hydrogen producing apparatus, a heating line 21 is disposed in the reforming chamber wall of the hydrogen producing apparatus 20, and a catalyst is placed in the heating line 21 (for example, the heating temperature can be controlled at 380). °C ~ 480 ° C); the quick start device 40 heats the reforming chamber by heating the heating line 21, which can improve the heating efficiency.
所述制氢系统启动后,制氢系统通过制氢设备制得的氢气提供运行所需的能源;此时,可以关闭快速启动装置。After the hydrogen production system is started, the hydrogen production system supplies the energy required for operation through the hydrogen produced by the hydrogen production facility; at this time, the quick start device can be turned off.
以上介绍了本发明甲醇水制氢系统的组成,本发明在揭示上述制氢系统的同时,还揭示一种上述甲醇水制氢系统的制氢方法,所述方法包括如下步骤:The composition of the methanol water hydrogen production system of the present invention is described above. While the above hydrogen production system is disclosed, the present invention also discloses a hydrogen production method for the above methanol water hydrogen production system, the method comprising the following steps:
【步骤S1】快速启动步骤;所述制氢系统利用快速启动装置提供启动能源启动。具体包括:[Step S1] A quick start step; the hydrogen production system provides a startup energy start using a quick start device. Specifically include:
第一启动装置的第一加热机构通电设定时间,待第一加热机构达到设定温度后向第一气化管路通入甲醇;由于第一气化管路紧密地缠绕于第一加热机构上,甲醇温度逐步升高;第一气化管路输出被气化的甲醇,而后通过点火机构点火燃烧;或者,第一气化管路输出被气化的甲醇,且输出的甲醇温度达到自燃点,甲醇从第一气化管路输出后直接自燃;The first heating mechanism of the first starting device is energized for a set time, and after the first heating mechanism reaches the set temperature, methanol is introduced into the first gasification pipeline; since the first gasification pipeline is tightly wound around the first heating mechanism The methanol temperature is gradually increased; the first gasification line outputs the vaporized methanol, and then is ignited and burned by the ignition mechanism; or the first gasification line outputs the vaporized methanol, and the output methanol reaches the spontaneous combustion temperature. Point, methanol is directly self-ignited after being output from the first gasification pipeline;
气化的甲醇通过燃烧放热,为制氢设备提供启动能源;同时,第一气化管路输出的甲醇燃烧还为第二启动装置的第二气化管路加热,将第二气化管路中的甲醇气化;The vaporized methanol is heated by combustion to provide a starting energy for the hydrogen production equipment; meanwhile, the methanol combustion outputted by the first gasification line is also heated by the second gasification line of the second starting device, and the second gasification tube is Methanol gasification in the road;
待第二气化管路中输出气化的甲醇后,关闭第一启动装置,由第二启动装置的第二气化管路输出的甲醇为重整室加热,同时加热第二气化管路,将第二气化管路中的甲醇气化;所述重整室内壁设有加热管路,加热管路内放有催化剂;所述快速启动装置通过加热所述加热管路为重整室加热。After outputting the vaporized methanol in the second gasification pipeline, the first starting device is turned off, and the methanol outputted from the second gasification pipeline of the second startup device is heated by the reforming chamber while heating the second gasification pipeline. Charging the methanol in the second gasification pipeline; the reforming chamber wall is provided with a heating pipeline, and the heating pipeline is provided with a catalyst; and the quick start device is a reforming chamber by heating the heating pipeline heating.
【步骤S2】系统启动后,制氢系统通过制氢设备制得的氢气提供运行所需 的能源;待制氢系统运行制得足够的氢气,关闭快速启动装置;由制氢设备制得的部分氢气或/和余气通过燃烧维持制氢设备运行。[Step S2] After the system is started, the hydrogen production system supplies hydrogen required by the hydrogen production equipment to provide operation The energy to be produced by the hydrogen production system is sufficient to shut off the quick start device; part of the hydrogen or/and residual gas produced by the hydrogen production equipment is maintained by the combustion to maintain the hydrogen production equipment.
综上所述,本发明提出的利用即时制得的氢气进行发电的系统及方法,可收集发电子系统排出的余气,并从中提取出氢气、氧气、水,氢气、氧气可以燃烧放热,为发电子系统提供热能,水可以传输至制氢子系统循环利用,系统不需要额外的水源。本发明可以提高系统发电的效率,节省能源。In summary, the system and method for generating electricity by using hydrogen produced in real time can collect the residual gas discharged from the power generation subsystem, and extract hydrogen, oxygen, water, hydrogen, and oxygen to burn heat. Thermal energy is supplied to the power generation subsystem, and water can be transferred to the hydrogen production subsystem for recycling, and the system does not require an additional water source. The invention can improve the efficiency of system power generation and save energy.
这里本发明的描述和应用是说明性的,并非想将本发明的范围限制在上述实施例中。这里所披露的实施例的变形和改变是可能的,对于那些本领域的普通技术人员来说实施例的替换和等效的各种部件是公知的。本领域技术人员应该清楚的是,在不脱离本发明的精神或本质特征的情况下,本发明可以以其它形式、结构、布置、比例,以及用其它组件、材料和部件来实现。在不脱离本发明范围和精神的情况下,可以对这里所披露的实施例进行其它变形和改变。 The description and application of the present invention are intended to be illustrative, and not intended to limit the scope of the invention. Variations and modifications of the embodiments disclosed herein are possible, and various alternative and equivalent components of the embodiments are well known to those of ordinary skill in the art. It is apparent to those skilled in the art that the present invention may be embodied in other forms, structures, arrangements, ratios, and other components, materials and components without departing from the spirit or essential characteristics of the invention. Other variations and modifications of the embodiments disclosed herein may be made without departing from the scope and spirit of the invention.

Claims (9)

  1. 一种利用即时制得的氢气进行发电的系统,其特征在于,所述系统包括:制氢子系统、气压调节子系统、发电子系统、收集利用子系统,制氢子系统、气压调节子系统、发电子系统、收集利用子系统依次连接;A system for generating electricity by using hydrogen produced in real time, the system comprising: a hydrogen production subsystem, a gas pressure regulation subsystem, a power generation subsystem, a collection and utilization subsystem, a hydrogen production subsystem, and a gas pressure regulation subsystem , the power generation subsystem, the collection and utilization subsystem are connected in turn;
    所述制氢子系统利用甲醇水制备氢气,所述制氢子系统包括固态氢气储存容器、液体储存容器、原料输送装置、制氢设备、膜分离装置;The hydrogen production subsystem uses methanol water to prepare hydrogen, and the hydrogen production subsystem includes a solid hydrogen storage container, a liquid storage container, a raw material conveying device, a hydrogen production device, and a membrane separation device;
    所述制氢设备包括换热器、气化室、重整室;膜分离装置设置于分离室内,分离室设置于重整室的里面;The hydrogen production device includes a heat exchanger, a gasification chamber, and a reforming chamber; the membrane separation device is disposed in the separation chamber, and the separation chamber is disposed inside the reforming chamber;
    所述固态氢气储存容器、液体储存容器分别与制氢设备连接;液体储存容器中储存有液态的甲醇和水;The solid hydrogen storage container and the liquid storage container are respectively connected to a hydrogen production device; the liquid storage container stores liquid methanol and water;
    所述固态氢气储存容器中储存固态氢气,当制氢系统启动时,通过气化模块将固态氢气转换为气态氢气,气态氢气通过燃烧放热,为制氢设备提供启动热能,作为制氢设备的启动能源;The solid hydrogen storage container stores solid hydrogen. When the hydrogen production system is started, the solid hydrogen is converted into gaseous hydrogen through a gasification module, and the gaseous hydrogen is heated by combustion to provide starting heat energy for the hydrogen production equipment, and is used as a hydrogen production device. Start energy
    所述液体储存容器中的甲醇和水通过原料输送装置输送至换热器换热,换热后进入气化室气化;The methanol and water in the liquid storage container are transported to the heat exchanger through the raw material conveying device for heat exchange, and then enter the gasification chamber for gasification after heat exchange;
    气化后的甲醇蒸气及水蒸气进入重整室,重整室内设有催化剂,重整室下部及中部温度为300℃~420℃;The vaporized methanol vapor and water vapor enter the reforming chamber, and the reforming chamber is provided with a catalyst, and the temperature of the lower part and the middle part of the reforming chamber is 300 ° C to 420 ° C;
    所述重整室上部的温度为400℃~570℃;重整室与分离室通过连接管路连接,连接管路的全部或部分设置于重整室的上部,能通过重整室上部的高温继续加热从重整室输出的气体;所述连接管路作为重整室与分离室之间的缓冲,使得从重整室输出的气体的温度与分离室的温度相同或接近;The temperature of the upper portion of the reforming chamber is 400 ° C to 570 ° C; the reforming chamber and the separation chamber are connected by a connecting pipe, and all or part of the connecting pipe is disposed at an upper portion of the reforming chamber, and can pass the high temperature of the upper portion of the reforming chamber Continuing to heat the gas output from the reforming chamber; the connecting line acts as a buffer between the reforming chamber and the separating chamber such that the temperature of the gas output from the reforming chamber is the same as or close to the temperature of the separating chamber;
    所述分离室内的温度设定为350℃~570℃;分离室内设有膜分离器,从膜分离器的产气端得到氢气;The temperature in the separation chamber is set to 350 ° C ~ 570 ° C; a membrane separator is provided in the separation chamber, and hydrogen gas is obtained from the gas producing end of the membrane separator;
    所述原料输送装置提供动力,将液体储存容器中的原料输送至制氢设备;所述原料输送装置向原料提供0.15~5MPa的压强,使得制氢设备制得的氢气具有足够的压强;The raw material conveying device provides power to deliver the raw material in the liquid storage container to the hydrogen producing device; the raw material conveying device supplies a pressure of 0.15 to 5 MPa to the raw material, so that the hydrogen produced by the hydrogen producing device has a sufficient pressure;
    所述制氢设备启动制氢后,制氢设备制得的部分氢气或/和余气通过燃烧维持制氢设备运行;After the hydrogen production equipment starts to produce hydrogen, part of the hydrogen or/and residual gas produced by the hydrogen production equipment is maintained by the combustion to maintain the hydrogen production equipment;
    所述制氢设备制得的氢气输送至膜分离装置进行分离,用于分离氢气的 膜分离装置的内外压强之差大于等于0.7M Pa;The hydrogen produced by the hydrogen production unit is sent to a membrane separation device for separation for separating hydrogen The difference between the internal and external pressure of the membrane separation device is greater than or equal to 0.7 M Pa;
    所述膜分离装置为在多孔陶瓷表面真空镀钯银合金的膜分离装置,镀膜层为钯银合金,钯银合金的质量百分比钯占75%~78%,银占22%~25%;The membrane separation device is a membrane separation device for vacuum-plating palladium-silver alloy on a porous ceramic surface, the coating layer is a palladium-silver alloy, the palladium-silver alloy has a mass percentage of palladium of 75% to 78%, and silver accounts for 22% to 25%;
    所述制氢子系统将制得的氢气通过传输管路实时传输至发电子系统;所述传输管路设有气压调节子系统,用于调整传输管路中的气压;所述发电子系统利用制氢子系统制得的氢气发电;The hydrogen production subsystem transmits the produced hydrogen to the power generation subsystem through the transmission pipeline in real time; the transmission pipeline is provided with a gas pressure adjustment subsystem for adjusting the air pressure in the transmission pipeline; the power generation subsystem utilizes Hydrogen generation from a hydrogen production subsystem;
    所述气压调节子系统包括微处理器、气体压力传感器、阀门控制器、出气阀、出气管路;所述气体压力传感器设置于传输管路中,用以感应传输管路中的气压数据,并将感应的气压数据发送至微处理器;所述微处理器将从气体压力传感器接收的该气压数据与设定阈值区间进行比对;当接收到的压力数据高于设定阈值区间的最大值,微处理器控制阀门控制器打开出气阀设定时间,使得传输管路中气压处于设定范围,同时出气管路的一端连接出气阀,另一端连接所述制氢子系统,通过燃烧为制氢子系统的需加热设备进行加热;当接收到的压力数据低于设定阈值区间的最小值,微处理器控制所述制氢子系统加快原料的输送速度;The air pressure adjusting subsystem includes a microprocessor, a gas pressure sensor, a valve controller, an air outlet valve, and an air outlet pipeline; the gas pressure sensor is disposed in the transmission pipeline to sense air pressure data in the transmission pipeline, and Transmitting the sensed air pressure data to a microprocessor; the microprocessor compares the air pressure data received from the gas pressure sensor with a set threshold interval; when the received pressure data is above a maximum value of the set threshold interval The microprocessor controls the valve controller to open the outlet valve set time, so that the air pressure in the transmission line is within the set range, and one end of the outlet line is connected to the outlet valve, and the other end is connected to the hydrogen production subsystem, and the combustion system is adopted. The heating device of the hydrogen subsystem is heated; when the received pressure data is lower than the minimum value of the set threshold interval, the microprocessor controls the hydrogen production subsystem to accelerate the conveying speed of the raw material;
    所述收集利用子系统连接发电子系统的排气通道出口,从排出的气体中分别收集氢气、氧气、水,利用收集到的氢气、氧气供制氢子系统或/和发电子系统使用,收集到的水作为制氢子系统的原料,从而循环使用;The collection and utilization subsystem is connected to the exhaust passage outlet of the power generation subsystem, and collects hydrogen, oxygen, and water separately from the exhausted gas, and uses the collected hydrogen and oxygen for the hydrogen production subsystem or/and the power generation subsystem to collect and collect The water obtained is used as a raw material for the hydrogen production subsystem, thereby being recycled;
    所述收集利用子系统包括氢氧分离器、氢水分离器、氢气止回阀、氧水分离器、氧气止回阀,将氢气与氧气分离,而后分别将氢气与水分离、氧气与水分离。The collection and utilization subsystem comprises a hydrogen-oxygen separator, a hydrogen water separator, a hydrogen check valve, an oxygen water separator, an oxygen check valve, and separates hydrogen from oxygen, and then separates hydrogen from water and oxygen and water, respectively. .
  2. 一种利用即时制得的氢气进行发电的系统,其特征在于,所述系统包括:制氢子系统、发电子系统、收集利用子系统,制氢子系统、发电子系统、收集利用子系统依次连接;A system for generating electricity by using hydrogen produced in real time, wherein the system comprises: a hydrogen production subsystem, a power generation subsystem, a collection and utilization subsystem, a hydrogen production subsystem, a power generation subsystem, and a collection and utilization subsystem connection;
    所述制氢子系统利用甲醇水制备氢气,将制得的氢气通过传输管路实时传输至发电子系统用于发电;The hydrogen production subsystem uses methanol water to prepare hydrogen, and the produced hydrogen is transmitted to the power generation subsystem in real time through a transmission pipeline for power generation;
    所述收集利用子系统连接发电子系统的排气通道出口,从排出的气体中 收集氢气,或利用收集到的氢气供制氢子系统或/和发电子系统使用。The collection and utilization subsystem is connected to the exhaust passage outlet of the power generation subsystem, from the exhausted gas Collect hydrogen or use the collected hydrogen for the hydrogen production subsystem or/and the power generation subsystem.
  3. 根据权利要求2所述的利用即时制得的氢气进行发电的系统,其特征在于:A system for generating electricity using hydrogen produced in real time according to claim 2, wherein:
    所述收集利用子系统包括氢水分离器、氢气止回阀,发电子系统的排气通道出口连接氢水分离器的入口,氢水分离器出口处连接的管路内设有氢气止回阀;所述氢水分离器用于分离氢气与水。The collection and utilization subsystem comprises a hydrogen water separator and a hydrogen check valve. The exhaust passage outlet of the power generation subsystem is connected to the inlet of the hydrogen water separator, and the hydrogen check valve is arranged in the pipeline connected at the outlet of the hydrogen water separator. The hydrogen water separator is used to separate hydrogen from water.
  4. 根据权利要求3所述的利用即时制得的氢气进行发电的系统,其特征在于:A system for generating electricity using hydrogen produced in real time according to claim 3, wherein:
    所述收集利用子系统还包括氢氧分离器,用于分离氢气及氧气;氢氧分离器设置于所述发电子系统排气通道出口与氢水分离器之间。The collection and utilization subsystem further includes a hydrogen-oxygen separator for separating hydrogen and oxygen; and a hydrogen-oxygen separator disposed between the outlet of the power generation subsystem exhaust passage and the hydrogen-water separator.
  5. 根据权利要求2所述的利用即时制得的氢气进行发电的系统,其特征在于:A system for generating electricity using hydrogen produced in real time according to claim 2, wherein:
    所述收集利用子系统还包括氧水分离器、氧气止回阀,用于收集氧气;The collection and utilization subsystem further includes an oxygen water separator and an oxygen check valve for collecting oxygen;
    所述收集利用子系统收集的氢气与氧气供制氢子系统或/和发电子系统使用。The collection utilizes hydrogen and oxygen collected by the subsystem for use in a hydrogen production subsystem or/and a power generation subsystem.
  6. 根据权利要求2所述的利用即时制得的氢气进行发电的系统,其特征在于:A system for generating electricity using hydrogen produced in real time according to claim 2, wherein:
    所述收集利用子系统包括气水分离器,将收集到的水输送至制氢子系统,从而循环利用。The collection utilization subsystem includes a gas water separator that delivers the collected water to a hydrogen production subsystem for recycling.
  7. 一种权利要求1至6之一所述系统的制氢发电方法,其特征在于,所述制氢发电方法包括如下步骤:A hydrogen-generating power generation method for a system according to any one of claims 1 to 6, characterized in that the hydrogen-generating power generation method comprises the following steps:
    所述制氢子系统利用甲醇水制备氢气,将制得的氢气通过传输管路实时传输至发电子系统;The hydrogen production subsystem uses methanol water to prepare hydrogen, and the produced hydrogen is transmitted to the power generation subsystem in real time through a transmission pipeline;
    所述发电子系统利用制氢子系统制得的氢气发电;The power generation subsystem generates electricity by using hydrogen produced by a hydrogen production subsystem;
    所述收集利用子系统连接发电子系统的排气通道出口,从排出的气体中收集氢气,或利用收集到的氢气供制氢子系统或/和发电子系统使用。 The collection utilizes subsystems to connect the exhaust passage outlets of the power generation subsystem, collect hydrogen from the exhausted gases, or utilize the collected hydrogen for use in a hydrogen production subsystem or/and a power generation subsystem.
  8. 根据权利要求7所述的制氢发电方法,其特征在于:The hydrogen generation power generation method according to claim 7, wherein:
    所述方法还包括:氧气收集利用步骤,通过收集利用子系统收集氧气;将收集到的氢气和氧气供制氢子系统或/和发电子系统使用。The method further includes an oxygen collection and utilization step of collecting oxygen by the collection utilization subsystem; and using the collected hydrogen and oxygen for the hydrogen production subsystem or/and the power generation subsystem.
  9. 根据权利要求7所述的制氢发电方法,其特征在于:The hydrogen generation power generation method according to claim 7, wherein:
    所述方法还包括:水收集利用步骤,通过收集利用子系统收集水,将收集到的水输送至制氢子系统,从而循环利用。 The method further includes a water collection and utilization step of collecting water by collecting the utilization subsystem, and conveying the collected water to the hydrogen production subsystem for recycling.
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