CN110589759A - Hydrogen production device and hydrogenation system - Google Patents

Hydrogen production device and hydrogenation system Download PDF

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Publication number
CN110589759A
CN110589759A CN201910971256.XA CN201910971256A CN110589759A CN 110589759 A CN110589759 A CN 110589759A CN 201910971256 A CN201910971256 A CN 201910971256A CN 110589759 A CN110589759 A CN 110589759A
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CN
China
Prior art keywords
tank
hydrogen
reaction tank
valve
water storage
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Application number
CN201910971256.XA
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Chinese (zh)
Inventor
刘洪新
陈信任
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Henan China Hydrogen Power Research Institute Co Ltd
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Henan China Hydrogen Power Research Institute Co Ltd
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Priority to CN201910971256.XA priority Critical patent/CN110589759A/en
Publication of CN110589759A publication Critical patent/CN110589759A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/06—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
    • C01B3/08—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents with metals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
    • F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
    • F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/03—Orientation
    • F17C2201/032—Orientation with substantially vertical main axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/012—Hydrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107—Single phase
    • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/035—High pressure (>10 bar)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
    • F17C2225/0107—Single phase
    • F17C2225/0123—Single phase gaseous, e.g. CNG, GNC
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/03—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the pressure level
    • F17C2225/035—High pressure, i.e. between 10 and 80 bars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/043—Pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2265/00—Effects achieved by gas storage or gas handling
    • F17C2265/06—Fluid distribution
    • F17C2265/063—Fluid distribution for supply of refueling stations
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/32—Hydrogen storage
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/45—Hydrogen technologies in production processes

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The invention provides a hydrogen production device and a hydrogenation system, and belongs to the field of hydrogenation equipment. The hydrogen production device comprises a water storage tank and a reaction tank, wherein hydrogen production materials can be contained in the reaction tank. The upper part of the water storage tank is communicated with the upper part of the reaction tank through an air pipe, and the air pipe is provided with a control valve; the lower part of the water storage tank is communicated with the lower part of the reaction tank through a water pipe; when the control valve is opened, the water in the water storage tank can enter the reaction tank through the water pipe. The hydrogen production device is adopted in the hydrogenation system, the overall structure is simple, the construction and construction are convenient, and the development of a hydrogen energy terminal can be greatly promoted.

Description

Hydrogen production device and hydrogenation system
Technical Field
The invention relates to the field of hydrogenation equipment, in particular to a hydrogen production device and a hydrogenation system.
Background
With the fact that haze and greenhouse effect on the earth are increasingly intensified due to consumption of traditional ore energy, green clean energy is vigorously developed, wherein wind energy, solar energy, hydroenergy and hydrogen energy are available. The hydrogen energy has the characteristics of rich resources, high calorific value and green and clean performance, so that the hydrogen energy is regarded as green and clean energy with development potential.
The hydrogen fuel cell can directly convert the chemical energy of the hydrogen into electric energy, and the energy utilization rate of the hydrogen fuel cell is higher than that of a common hydrogen internal combustion engine. Therefore, the hydrogen energy fuel cell has wide application prospect in the future.
However, at present, the number of hydrogen stations is rare, the construction cost of the hydrogen stations is too high, the construction period is too long, and the matched electric power is needed, which greatly restricts the development of hydrogen energy terminals such as hydrogen energy automobiles. Therefore, the hydrogen production device and the hydrogenation system are of great significance.
Disclosure of Invention
It is an object of the present invention to provide a hydrogen production device that can be used to produce hydrogen for end use by hydrogen energy.
Another object of the present invention is to provide a hydrogenation system, which employs the above hydrogen production apparatus.
The invention is realized by the following steps:
a hydrogen production apparatus comprising: the hydrogen production device comprises a water storage tank and a reaction tank, wherein hydrogen production materials can be contained in the reaction tank;
the upper part of the water storage tank is communicated with the upper part of the reaction tank through an air pipe, and a control valve is arranged on the air pipe; the lower part of the water storage tank is communicated with the lower part of the reaction tank through a water pipe;
when the control valve is opened, the water in the water storage tank can enter the reaction tank through the water pipe.
Further, the method comprises the following steps of;
the reaction tank is sequentially provided with an air cavity, a reaction cavity and a water storage cavity from top to bottom, the air cavity is communicated with the reaction cavity, and the bottom of the reaction cavity is provided with a porous support for containing hydrogen production materials;
the bottom of the reaction cavity is isolated from the water storage cavity, and the reaction cavity is communicated with the water storage cavity only through the communicating pipe.
Further, the method comprises the following steps of;
the controller is electrically connected with the control valve and can control the control valve to be opened or closed.
Further, the method comprises the following steps of;
the upper part of the reaction tank is connected with a first air pressure gauge and a safety valve.
Further, the method comprises the following steps of;
the upper part of the water storage tank is connected with a water inlet valve and an exhaust valve.
Further, the method comprises the following steps of;
the reaction tank is connected with the reaction tank, the electric energy recoverer is connected with the reaction tank, and the thermoelectric system is used for converting heat generated by the reaction tank into electric energy and storing the electric energy in the electric energy recoverer.
A hydrogenation system comprises a hydrogenation gun and the hydrogen production device, wherein the hydrogenation gun is connected with the upper part of the reaction tank.
Further, the method comprises the following steps of;
the reactor also comprises a steady flow tank, the steady flow tank is connected with the upper part of the reaction tank, and the hydrogenation gun is connected with the steady flow tank;
and a first one-way valve and a first stop valve are further arranged between the reaction tank and the steady flow tank, and hydrogen coming out of the reaction tank can enter the steady flow tank sequentially through the first one-way valve and the first stop valve.
Further, the method comprises the following steps of;
still include hydrogen storage tank, hydrogen storage tank with the stationary flow jar intercommunication, hydrogen storage tank with still be provided with one-way relief pressure valve between the stationary flow jar.
Further, the method comprises the following steps of;
the three pressure relief branches comprise pressure relief one-way valves and pressure relief valves which are arranged in series; and one end of each of the three pressure relief branches is communicated with the reaction tank, the flow stabilizing tank and the hydrogen storage tank, and the other end of each of the three pressure relief branches is communicated with the atmosphere.
The technical scheme provided by the invention has the beneficial effects that:
according to the hydrogen production device and the hydrogenation system which are obtained through the design, before the hydrogen production device and the hydrogenation system are used, water is injected into the water storage tank, and the reaction tank is filled with the solid hydrogen production material; when the device is used, the control valve is opened, water in the water storage tank flows into the bottom of the reaction tank under the action of gravity, and when the solid hydrogen production material is submerged by the water level, the solid hydrogen production material reacts with the water to generate hydrogen. At the moment, hydrogen in the reaction tank can enter the hydrogenation gun through the air outlet at the upper part, and the hydrogen energy terminal can be supplied with hydrogen by utilizing the hydrogenation gun. When the air outlet and the control valve are closed, the air pressure at the upper part of the reaction tank is gradually increased, so that water at the bottom of the reaction tank flows back into the water storage tank until the water level in the water storage tank is lower than the solid hydrogen production material, and the air pressure at the upper part of the water storage tank is balanced with the air pressure at the upper part of the reaction tank; at this time, the reaction was stopped. The hydrogen production device and the hydrogenation system have simple integral structure, are convenient for construction and construction, and can greatly promote the development of hydrogen energy terminals.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic diagram of a hydrogenation system according to an embodiment of the present invention.
Icon: 1-a water storage tank; 2-a reaction tank; 3-a control valve; 4-an air cavity; 5-a reaction chamber; 6-solid hydrogen production material; 7-a scaffold; 8-communicating pipe; 9-a water storage cavity; 10-a thermoelectric system; 11-safety valve; 12-a first one-way valve; 13-a first shut-off valve; 14-a steady flow tank; 15-one-way relief valve; 16-a hydrogen storage tank; 17-a pressure maintaining valve; 18-a second stop valve; 19-a gas flow meter; 20-a hydrogenation gun; 21-a gas pressure sensor; 22-a controller; 23-a button; 24-a power recovery device; 25-a first level sensor; 26-a second liquid level sensor; 27-an exhaust valve; 28-a water inlet valve; 29-a drain valve; 30-a first pressure relief one-way valve; 31-a first pressure relief valve; 32-a second pressure relief one-way valve; 33-a second pressure relief valve; 34-a third pressure relief one-way valve; 35-a third pressure relief valve; 36-a first pressure gauge; 37-a second pressure gauge; 38-third pressure gauge; 39-upper cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present invention, unless otherwise expressly stated or limited, the first feature may be present on or under the second feature in direct contact with the first and second feature, or may be present in the first and second feature not in direct contact but in contact with another feature between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Example (b):
referring to fig. 1, the present embodiment provides a hydrogenation system, which includes a hydrogen production apparatus and a hydrogenation gun 20; the hydrogen production device can produce hydrogen and deliver the hydrogen to the hydrogenation gun 20 through a delivery pipeline, and the hydrogenation gun 20 hydrogenates the hydrogen energy equipment.
Specifically, the hydrogen production device comprises a water storage tank 1 and a reaction tank 2, wherein the upper part of the water storage tank 1 is communicated with the upper part of the reaction tank 2 through an air pipe, a control valve 3 is arranged on the air pipe, and the control valve 3 can control the on-off of the air pipe; the bottom of the water storage tank 1 is communicated with the bottom of the reaction tank 2 through a water pipe. And, the bottom of the water storage tank 1 is higher than the bottom of the reaction tank 2, so that water at the bottom of the water storage tank 1 can be introduced into the reaction tank 2 through the water pipe by gravity when the control valve 3 is opened.
The water storage tank 1 is a vertical cylindrical structure, the upper part of the water storage tank is connected with a water inlet pipe and an exhaust pipe, the water inlet pipe is provided with a water inlet valve 28, and the exhaust pipe is provided with an exhaust valve 27. After the water inlet valve 28 is opened and the air outlet valve 27 is opened, the water storage tank 1 can be filled with water. The upper portion of water storage tank 1 is provided with first level sensor 25, and the lower part is provided with second level sensor 26, and two level sensors are used for detecting highest water level and minimum water level respectively.
The reaction tank 2 has an overall shape similar to that of the water storage tank 1, and an upper cover of the reaction tank can be opened, so that solid hydrogen production materials 6 (such as bulk sodium metal and aluminum-based hydrolysis hydrogen production material bags) can be added into the reaction tank 2 conveniently. An air cavity 4, a reaction cavity 5 and a water storage cavity 9 are sequentially arranged in the reaction tank 2 from top to bottom, a plate-shaped bracket 7 is horizontally arranged between the reaction cavity 5 and the water storage cavity 9, and the solid hydrogen production material 6 can be placed on the bracket 7. A communicating pipe 8 is arranged on the bracket 7 in a penetrating way, the upper part of the communicating pipe 8 is communicated with the reaction cavity 5, and the lower part is communicated with the water storage cavity 9. A drain valve 29 is further provided at the lower portion of the reaction tank 2, and the water in the water storage chamber 9 can be drained by opening the drain valve 29.
The hydrogenation system also comprises a steady flow tank 14 and a hydrogen storage tank 16, and the reaction tank 2 is sequentially communicated with the steady flow tank 14 and the hydrogen storage tank 16 through delivery pipes. That is, the hydrogen gas from the reaction tank 2 first enters the steady flow tank 14, and then is transferred from the steady flow tank 14 to the hydrogen storage tank 16. Since the generation rate of hydrogen gas in the reaction tank 2 may be unstable, providing the steady flow tank 14 helps make the gas flow rate more uniform.
A first one-way valve 12 and a first stop valve 13 are arranged on a communicating pipe 8 between the reaction tank 2 and the steady flow tank 14, and hydrogen coming out of the reaction tank 2 firstly passes through the first one-way valve 12 and then enters the steady flow tank 14 through the first stop valve 13. The first check valve 12 is arranged between the reaction tank 2 and the flow stabilization tank to prevent hydrogen in the flow stabilization tank 14 from flowing back, and the stop valve is arranged to control the connection and disconnection between the reaction tank 2 and the flow stabilization tank 14. A safety valve 11 is further arranged on a bypass of the first one-way valve 12, one end of the safety valve 11 is connected with an upstream pipeline of the first one-way valve 12, and the other end of the safety valve is communicated with the atmosphere. The safety valve 11 opens automatically to release pressure after the pressure of the reaction tank 2 exceeds the threshold value, or the safety valve 11 opens manually to release pressure when the first pressure gauge detects that the pressure in the reaction tank 2 is too high.
A one-way pressure reducing valve is arranged on the delivery pipe between the flow stabilizing tank 14 and the hydrogen storage tank 16, so that hydrogen gas coming out of the flow stabilizing tank enters the hydrogen storage tank 16 after being subjected to pressure reduction, and the safety and the air pressure stability of the hydrogen storage tank 16 are improved.
An air outlet at the upper part of the hydrogen storage tank 16 is connected with a hydrogenation gun 20 through a conveying pipe, and a pressure stabilizing valve 17, a second stop valve 18 and a gas flowmeter 19 are sequentially arranged between the hydrogen storage tank 16 and the hydrogenation gun 20. A gas pressure sensor 21 is provided between the pressure maintaining valve 17 and the second stop valve 18.
Further, for control, the hydrogenation system is provided with a controller 22. The controller 22 is electrically connected to the first and second liquid level sensors 25 and 26 in the water storage tank, the control valve 3 between the water storage tank 1 and the reaction tank 2, the gas pressure sensor 21, and the gas flow meter 19 at the same time. When the liquid level in the water storage tank is higher than the first liquid level sensor 25, the controller 22 gives an alarm, and when the liquid level in the water storage tank is lower than the second liquid level sensor 26 for the first time after the reactor is started every time, the controller 22 closes the control valve 3; the second time below the second level sensor 26, the controller 22 will display the water shortage on the remaining water display screen; the controller 22 controls the opening of the control valve 3 only by the hydrogen production button 23, and can record the output gas pressure value of the gas pressure sensor 21 and the gas flow rate data of the gas flow meter 19.
In addition, the hydrogenation system is also provided with three pressure relief branches, each pressure relief branch comprises a one-way valve and a pressure relief valve which are arranged in series, one end of each pressure relief branch is communicated with the reaction tank 2, the flow stabilizing tank 14 and the hydrogen storage tank 16, and the other end of each pressure relief branch is communicated with the atmosphere. The first pressure relief branch comprises a first pressure relief one-way valve 30 and a first pressure relief valve 31, the first pressure relief one-way valve 30 is connected with the conveying pipe on the air outlet of the reaction tank 2, and the first pressure relief valve 31 is communicated with the atmosphere; the second pressure relief branch comprises a second pressure relief one-way valve 32 and a second pressure relief valve 33; the third pressure relief branch comprises a third pressure relief one-way valve 34 and a third pressure relief valve 35.
The shell of the reaction tank 2 is wrapped with a thermoelectric system 10, the thermoelectric system 10 is connected with an electric energy recoverer 24, and the thermoelectric system 10 can convert the heat of the reaction tank 2 into electric energy which is stored in the electric energy recoverer 24 and supplies power to the control cabinet.
Further, the upper part of the reaction tank 2 is also connected with a first pressure gauge 36, the upper part of the water storage tank is provided with a second pressure gauge 37, and the hydrogen storage tank is provided with a third pressure gauge 38; so as to detect the pressure of the gas in each tube body.
The working principle of the hydrogenation system provided by the embodiment is as follows:
before use, a solid hydrogen production material 6 bag is filled into the reaction tank 2, and water is injected into the water storage tank 1. During the use, through pressing hydrogen manufacturing button 23 on controller 22, open the solenoid valve between water storage tank 1 and retort 2, make the gas in retort 2 air cavity 4 can circulate to the upper portion of water storage tank 1 to water in the water storage tank 1 can flow into the water storage chamber 9 in retort 2 and flow into reaction chamber 5 via communicating pipe 8 between water storage chamber 9 and the reaction chamber 5, the gas in discharge reaction chamber 5 and the air cavity 4 is to the upper portion of water storage tank 1. When the water level in the water storage tank 1 drops to the position of the lower water level sensor, the controller 22 closes the control valve 3 between the water storage tank 1 and the reaction tank 2, the pressure in the reaction chamber 5 and the air chamber 4 will rise due to the reaction of water with the solid hydrogen production material 6 in the reaction tank 2, and the water is discharged from the reaction chamber 5 to the water storage chamber 9 and then into the water storage tank 1, the gas in the upper part of the water storage tank 1 will be compressed, and finally the water in the reaction chamber 5 is completely discharged. The gas pressure at the upper part of the water storage tank 1 will be balanced with the gas pressure in the reaction tank 2, and the water level in the water storage tank 1 will neither rise nor fall. The gas in the gas cavity 4 of the reaction tank 2 is led to a steady flow tank 14 through a first one-way valve 12 and a first stop valve 13, is decompressed through a one-way pressure reducing valve 15 and then is led into a hydrogen storage tank 16, and the hydrogen in the hydrogen storage tank 16 is led to a hydrogenation gun 20 through a pressure stabilizing valve 17, a second stop valve 18 and a gas flowmeter 19. When the second stop valve 18 in front of the hydrogenation gun 20 is opened, hydrogen is discharged, the pressure of hydrogen in the hydrogen storage tank 16, the steady flow tank 14 and the air cavity 4 of the reaction tank 2 is reduced, water in the water storage tank 1 flows into the reaction cavity 5 of the reaction tank 2 again due to the pressure difference between the water storage tank 1 and the air cavity 4 of the reaction tank 2 and reacts with the solid hydrogen production material 6 to generate hydrogen, the reaction cavity 5 and the air cavity 4 of the reaction tank 2 are pressurized again, and the hydrogen is continuously prepared and led to the hydrogenation gun 20. After a manual valve in front of the hydrogenation gun 20 is closed, the reaction cavity 5 and the air cavity 4 of the reaction tank 2 are pressurized, water is discharged from the reaction cavity 5 to the water storage cavity 9 and then to the water storage tank 1, and hydrogen production is stopped.
After the reaction is finished, the stop valve between the steady flow tank 14 and the reaction tank 2 is closed, the first pressure release valve 31 between the steady flow tank 14 and the reaction tank 2 is opened to release the pressure, and the water storage tank 1 and the reaction tank 2 release the pressure to the air. After the pressure is relieved to the normal pressure, the first pressure relief valve 31 between the steady flow tank 14 and the reaction tank 2 is closed, the drain valve 29 at the lower part of the reaction tank 2 is opened to discharge the reaction solution or water, the upper cover 39 of the reaction tank 2 is opened, the waste solid hydrogen production material 6 is taken out, the solid hydrogen production material 6 bag is filled into the reaction tank 2 again, the upper cover of the reaction tank 2 is closed, and the drain valve 29 at the lower part of the reaction tank 2 is closed. Then, the water inlet valve 28 and the air outlet valve 27 of the water storage tank 1 are opened to introduce water into the water storage tank 1, and water is filled into the water storage tank 1 until the liquid level reaches the position of the first liquid level sensor 25. The inlet valve 28 and the outlet valve 27 are closed. And opening a manual valve between the steady flow tank 14 and the reaction tank 2, and pressing a hydrogen production button 23 of the control cabinet to produce hydrogen again.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A hydrogen production apparatus, comprising: the hydrogen production device comprises a water storage tank and a reaction tank, wherein hydrogen production materials can be contained in the reaction tank;
the upper part of the water storage tank is communicated with the upper part of the reaction tank through an air pipe, and a control valve is arranged on the air pipe; the lower part of the water storage tank is communicated with the lower part of the reaction tank through a water pipe;
when the control valve is opened, the water in the water storage tank can enter the reaction tank through the water pipe.
2. The hydrogen production device according to claim 1, wherein the reaction tank is provided with an air cavity, a reaction cavity and a water storage cavity from top to bottom in sequence, the air cavity is communicated with the reaction cavity, and a support is arranged in the water storage tank and used for containing hydrogen production materials;
the bottom of the reaction cavity is isolated from the water storage cavity, and the reaction cavity is communicated with the water storage cavity through a communicating pipe.
3. The hydrogen plant of claim 1, further comprising a controller in electrical communication with the control valve, the controller capable of controlling the control valve to open or close.
4. The hydrogen generation apparatus according to claim 1, wherein a first pressure gauge and a safety valve are connected to an upper portion of the reaction tank.
5. The hydrogen generation apparatus according to claim 1, wherein a water inlet valve and a gas outlet valve are connected to the upper part of the water storage tank.
6. The hydrogen production plant according to claim 1, further comprising a thermoelectric system and an electric energy recoverer, wherein the thermoelectric system is connected with the reaction tank and the electric energy recoverer simultaneously, and the thermoelectric system is used for converting heat generated by the reaction tank into electric energy and storing the electric energy in the electric energy recoverer.
7. A hydrogenation system, comprising a hydrogenation lance and the hydrogen production apparatus according to any one of claims 1 to 6, wherein the hydrogenation lance is connected to an upper portion of the reaction tank.
8. The hydrogenation system of claim 7, further comprising a steady flow tank connected to an upper portion of the reaction tank, the hydrogenation lance being connected to the steady flow tank;
and a first one-way valve and a first stop valve are further arranged between the reaction tank and the steady flow tank, and hydrogen coming out of the reaction tank can enter the steady flow tank sequentially through the first one-way valve and the first stop valve.
9. The hydrogenation system according to claim 8, further comprising a hydrogen storage tank, wherein the hydrogen storage tank is communicated with the steady flow tank, and a one-way pressure reducing valve is further arranged between the hydrogen storage pipe and the steady flow tank.
10. The hydrogenation system of claim 9, further comprising three pressure relief branches, wherein the pressure relief branches comprise a check valve and a pressure relief valve arranged in series; and one end of each of the three pressure relief branches is communicated with the reaction tank, the flow stabilizing tank and the hydrogen storage tank, and the other end of each of the three pressure relief branches is communicated with the atmosphere.
CN201910971256.XA 2019-10-14 2019-10-14 Hydrogen production device and hydrogenation system Pending CN110589759A (en)

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CN112624043A (en) * 2020-12-29 2021-04-09 中国科学院上海应用物理研究所 Self-sustaining hydrogen production device based on drainage method
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CN111439724A (en) * 2020-05-12 2020-07-24 河南中氢动力研究院有限公司 Hydrogen production system, apparatus and method
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CN114923118A (en) * 2022-05-19 2022-08-19 中康长和健康科技(深圳)有限公司 Metal hydride hydrogen storage tank

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