CN110544783A - device for realizing liquid hydrogen storage based on complex and buffer liquid and hydrogenation energy supply system - Google Patents
device for realizing liquid hydrogen storage based on complex and buffer liquid and hydrogenation energy supply system Download PDFInfo
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- CN110544783A CN110544783A CN201810528698.2A CN201810528698A CN110544783A CN 110544783 A CN110544783 A CN 110544783A CN 201810528698 A CN201810528698 A CN 201810528698A CN 110544783 A CN110544783 A CN 110544783A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04111—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants using a compressor turbine assembly
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
- H01M8/04208—Cartridges, cryogenic media or cryogenic reservoirs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
- H01M8/04216—Reactant storage and supply, e.g. means for feeding, pipes characterised by the choice for a specific material, e.g. carbon, hydride, absorbent
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- 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
- Y02E60/50—Fuel cells
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- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention provides a device for realizing liquid hydrogen storage based on a complex and a buffer solution, which comprises a storage tank, a hydrogen buffer tank, a compressor and a tail gas concentrated heat exchanger, wherein the hydrogen buffer tank is connected with the compressor; the temperature adjusting mechanism is arranged outside the storage tank; the storage tank contains complex hydrogen storage material and a certain amount of buffer solution, and is connected with an output pipe and a feeding pipe; the hydrogen buffer tank is connected with the storage tank through an output pipe, and the compressor is connected with the storage tank through a feed pipe; the tail gas concentrated heat exchanger is communicated with the temperature adjusting mechanism; the temperature adjusting mechanism comprises a radiator, a heater and a cooler and is controlled by a vehicle state controller; the storage tank is also provided with a filling port and an electric control valve of the filling port for replacing the hydrogen storage material. The hydrogenation function system is suitable for hydrogen fuel automobiles, can absorb hydrogen and dehydrogenate more quickly, can meet the operation requirements of the hydrogen fuel automobiles, is beneficial to reducing the operation cost, and solves the problems of storage, transportation and replacement of the hydrogen fuel.
Description
Technical Field
The invention belongs to the technical field of hydrogen energy utilization, and particularly relates to a device for storing liquid hydrogen based on a complex and a buffer solution and a hydrogenation energy supply system.
Background
in recent years, the production of automobiles has been increasing dramatically, and the exhaust gas from automobiles using gasoline and diesel oil as main fuels has become a significant cause of environmental pollution. Aiming at the problem of automobile pollution, the governments of all countries actively make automobile exhaust emission standards. In order to meet the ever-stricter emission standards of automobile exhaust, various automobile manufacturers mainly seek new energy to solve the important problem of automobile exhaust and energy shortage.
and hydrogen energy is the most ideal clean fuel at present. The hydrogen energy is a renewable resource in a plurality of alternative energy sources, has high heat value, most products after combustion are water vapor, and is an ideal green fuel. The hydrogen energy is developed, so that the energy crisis of limited petroleum fuel reserves can be relieved, and the environmental pollution caused by using the petroleum fuel is reduced.
hydrogen is used as fuel and water is used as raw material, so that the resource is rich; the heat emitted during combustion is large; the combustion product is water, which is non-toxic and pollution-free and can be recycled. Meanwhile, hydrogen can be prepared in large quantity from the gasification of electrolyzed water and coal, and an engine does not need to be greatly modified, so that the hydrogen energy power has wide application prospect.
the development and utilization of hydrogen energy relate to the cheap preparation, safe and efficient storage and transportation and large-scale application of hydrogen. At present, as a substitute fuel, the development of hydrogen storage technology becomes the key of hydrogen energy application due to the characteristics of flammability, explosiveness, easiness in diffusion, low volume energy density at normal temperature and normal pressure and the like of hydrogen. Therefore, a hydrogen storage device and method for safely storing hydrogen and stably supplying the hydrogen to a power system of an automobile are provided.
disclosure of Invention
aiming at the defects in the prior art, the invention provides a device for realizing liquid hydrogen storage based on a complex and a buffer solution and an energy supply system.
in order to achieve the purpose, the technical scheme of the invention is as follows:
the device for realizing liquid hydrogen storage based on the complex and the buffer solution is a hydrogen storage device in a hydrogen fuel automobile and comprises a storage tank, a hydrogen buffer tank, a compressor and a tail gas concentrated heat exchanger; the temperature adjusting mechanism is arranged outside the storage tank; a storage tank containing complex hydrogen storage material and a certain amount of buffer solution, and connected with an output pipe and a feed pipe; the hydrogen buffer tank is connected with the storage tank through an output pipe, and the compressor is connected with the storage tank through a feed pipe; the tail gas concentrated heat exchanger is communicated with the temperature adjusting mechanism; the temperature adjustment mechanism includes a radiator, a heater, and a cooler, and is controlled by a vehicle state controller.
Furthermore, the storage tank is also provided with a filling port and an electric control valve of the filling port for replacing the hydrogen storage material.
Further, the whole storage tank is separated from the compressor and the hydrogen buffer tank, so that the storage tank filled with fresh hydrogen storage materials can be conveniently replaced.
Further, the tail gas concentration heat exchanger is connected with an exhaust port of the automobile engine, and one end of the tail gas concentration heat exchanger is communicated with a tail gas exhaust port.
Furthermore, an electromagnetic control valve for controlling the opening and closing of the pipeline is arranged in an output pipe of the storage tank, and the action of the electromagnetic control valve is controlled by a vehicle state controller.
Further, a pressure switch is arranged on a delivery pipe between the storage tank and the electromagnetic control valve, the pressure switch transmits a pressure signal to the vehicle state controller, and the vehicle state controller controls the start-stop operation of the compressor according to the pressure signal.
Further, the complex hydrogen storage material is various complex hydrides, amino complexes, organometallic complexes and composite hydrogen storage materials, including LiBH4, Mg (NH3) Cl2, arene-halide complexes, LiBH4-Mg (NH2)2 and Mg (NH2) 2-LiH.
The other technical scheme of the invention is as follows: a hydrogenation energy supply system for realizing liquid hydrogen storage based on a complex and a buffer solution comprises the following specific processes:
(1) Compressing hydrogen fuel supplied by a gas filling station through a compressor, and conveying the compressed hydrogen fuel to a storage tank;
(2) controlling the temperature regulating mechanism to cool or heat so that the temperature in the tank is in a preset range, and the complex hydrogen storage material is in a liquid state, and hydrogen fuel is stored in the storage tank;
(3) when the pressure of the storage tank reaches a preset value, the pressure switch transmits a pressure signal, and the vehicle state controller controls the compressor to stop working;
(4) the temperature adjusting mechanism heats or cools, the complex hydrogen storage material in the storage tank releases hydrogen when reaching a certain temperature, and the hydrogen storage material is in a solid state;
(5) hydrogen from the storage tank enters a hydrogen buffer tank through a delivery pipe under the control of an electromagnetic control valve and a pressure switch;
(6) the hydrogen gas in the hydrogen buffer tank is supplied to a generator set using a hydrogen fuel engine for generating electricity.
Further, the hydrogenation energy supply system also comprises a hydrogen storage material replacement method, and the method comprises the following steps:
Firstly, aligning a filling gun of hydrogen storage materials to a filling port of a storage tank, and butting and locking a locking flange of the filling gun and a flange of the filling port;
opening an electric control valve of the filling opening, and inserting a sleeve of a filling gun into the storage tank through the filling opening;
Pumping the invalid hydrogen storage material in the storage tank out of the inner pipe of the sleeve pipe by adopting an air flow conveying mode;
Adding fresh saturated hydrogen storage materials into the storage tank by adopting an air flow conveying mode;
and fifthly, after filling, drawing out the filling gun, closing the electric control valve, unlocking the locking flange and covering a cover plate of the filling opening.
has the advantages that: the invention adopts the hydrogen storage device with replaceable hydrogen storage material, the hydrogen storage material can absorb hydrogen and dehydrogenate more quickly, can simultaneously meet the operation requirement of the hydrogen fuel automobile, is beneficial to reducing the operation cost, solves the problems of hydrogen fuel storage, transportation and replacement, is beneficial to popularizing and using the environment-friendly hydrogen fuel automobile or hybrid power automobile, lightens the environmental pollution, can solve the outstanding problem of energy shortage, and realizes the sustainable development of human society and automobile industry.
Drawings
fig. 1 is a schematic structural diagram of a device for achieving liquid hydrogen storage based on a complex and a buffer provided by the invention.
fig. 2 is a flow chart of a hydrokinetic energy supply system for liquid hydrogen storage based on a complex and a buffer liquid according to an embodiment of the present invention.
In the figure, 1-a storage tank, 2-a hydrogen buffer tank, 3-a compressor, 4-a tail gas concentration heat exchanger, 5-a temperature adjusting mechanism, 6-a vehicle state controller 6, 7-an engine exhaust port and 8-a tail gas exhaust port;
11-output pipe, 12-feeding pipe, 13-filling port, 14-filling port electric control valve, 15-electromagnetic control valve and 16-pressure switch.
Detailed Description
The invention is illustrated below with reference to specific examples. It will be understood by those skilled in the art that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention in any way.
The device for realizing liquid hydrogen storage based on the complex and the buffer liquid is a hydrogen storage device in a hydrogen fuel automobile, and comprises a storage tank 1, a hydrogen buffer tank 2, a compressor 3, a tail gas centralized heat exchanger 4 and a temperature adjusting mechanism 5 arranged outside the storage tank 1 as shown in figure 1; the hydrogen buffer tank 2 is connected with the storage tank 1 through an output pipe 11, and the compressor 3 is connected with the storage tank 1 through a feed pipe 12; the temperature adjusting mechanism 5 includes a radiator, a heater, and a cooler, and is controlled by a vehicle state controller 6; the tail gas concentrated heat exchanger 4 is communicated with the temperature adjusting mechanism 5.
On the support, the storage tank 1 contains complex hydrogen storage material and a certain amount of buffer solution, and is connected with an output pipe 11 and a feed pipe 12; a filling port 13 and a filling port electric control valve 14 are also arranged for replacing hydrogen storage materials; the storage tank 1 is integrally separated from the compressor 3 and the hydrogen buffer tank 2, so that the storage tank is convenient to replace with a storage tank filled with fresh hydrogen storage materials.
An electromagnetic control valve 15 for controlling the opening and closing of the pipeline is arranged in an output pipe 11 of the storage tank 1, and the action of the electromagnetic control valve 15 is controlled by a vehicle state controller 6; a pressure switch 16 is arranged on a delivery pipe between the storage tank 1 and the electromagnetic control valve 6, the pressure switch 16 transmits a pressure signal to the vehicle state controller 6, and the vehicle state controller 6 controls the start-stop operation of the compressor 3 according to the pressure signal.
the tail gas concentration heat exchanger 4 is connected with an exhaust port 7 of the automobile engine, absorbs and stores heat and supplies the heat to the temperature adjusting mechanism 5, and one end of the tail gas concentration heat exchanger is communicated with a tail gas discharge port 8.
In this example, Mg (NH2)2-LiH was used as the complex hydrogen storage material, and NiCl2 was used as the buffer solution, and the hydrogen storage capacity was 5.6 wt%, wherein the minimum dehydrogenation and hydrogen absorption temperatures were 98 ℃ and 53 ℃.
as shown in fig. 2, the hydroenergy supply system for liquid hydrogen storage based on complex and buffer solution specifically comprises the following processes:
s1) filling the storage tank with hydrogen storage materials;
S2) compressing the hydrogen fuel supplied by the gas station by a compressor and conveying the compressed hydrogen fuel to a storage tank;
S3) controlling the temperature adjusting mechanism to cool and radiate, so that the temperature in the tank is in a preset range, the complex hydrogen storage material is in a liquid state, and the hydrogen fuel is stored in the storage tank;
S4) when the pressure of the storage tank reaches a preset value, the pressure switch transmits a pressure signal, and the vehicle state controller controls the compressor to stop working;
S5) heating by a temperature adjusting mechanism, and releasing hydrogen when the complex hydrogen storage material in the storage tank reaches a certain temperature, wherein the hydrogen storage material is solid;
S6) hydrogen from the storage tank enters a hydrogen buffer tank through a delivery pipe under the control of an electromagnetic control valve and a pressure switch;
S7) supplying the hydrogen gas in the hydrogen buffer tank to a generator set using a hydrogen fuel engine for generating electricity.
Wherein, filling or replacing the hydrogen storage material comprises the following steps:
Firstly, aligning a filling gun of hydrogen storage materials to a filling port of a storage tank, and butting and locking a locking flange of the filling gun and a flange of the filling port;
Opening an electric control valve of the filling opening, and inserting a sleeve of a filling gun into the storage tank through the filling opening;
Pumping the invalid hydrogen storage material in the storage tank out of the inner pipe of the sleeve pipe by adopting an air flow conveying mode;
Adding fresh saturated hydrogen storage materials into the storage tank by adopting an air flow conveying mode;
And fifthly, after filling, drawing out the filling gun, closing the electric control valve, unlocking the locking flange and covering a cover plate of the filling opening.
although technical solutions of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. a device for realizing liquid hydrogen storage based on complex and buffer solution is a hydrogen storage device in a hydrogen fuel automobile and is characterized by comprising a storage tank, a hydrogen buffer tank, a compressor and a tail gas centralized heat exchanger; the temperature adjusting mechanism is arranged outside the storage tank; the storage tank contains complex hydrogen storage material and a certain amount of buffer solution, and is connected with an output pipe and a feeding pipe; the hydrogen buffer tank is connected with the storage tank through an output pipe, and the compressor is connected with the storage tank through a feed pipe; the tail gas concentrated heat exchanger is communicated with the temperature adjusting mechanism; the temperature adjustment mechanism includes a radiator, a heater, and a cooler, and is controlled by a vehicle state controller.
2. the apparatus for liquid hydrogen storage based on complex and buffer solution as claimed in claim 1, wherein the storage tank is further provided with a filling port and an electrically controlled valve for the filling port for replacing the hydrogen storage material.
3. an apparatus for effecting liquid hydrogen storage based on complexes and buffers as claimed in claim 1 wherein the storage tank is integrally separated from the compressor and hydrogen buffer tank to facilitate replacement with a storage tank containing fresh hydrogen storage material.
4. an apparatus for effecting liquid hydrogen storage based on complexes and buffers as claimed in claim 1 wherein the exhaust gas concentration heat exchanger is connected to the exhaust port of the automobile engine and has one end communicating with the exhaust port.
5. the complex and buffer solution based liquid hydrogen storage apparatus as claimed in claim 1, wherein the output pipe of the storage tank is provided with an electromagnetic control valve for controlling the opening and closing of the pipe, and the operation of the electromagnetic control valve is controlled by a vehicle state controller.
6. The complex and buffer based liquid hydrogen storage apparatus of claim 1, wherein a pressure switch is disposed on the delivery pipe between the storage tank and the solenoid control valve, the pressure switch transmits a pressure signal to the vehicle state controller, and the vehicle state controller controls the start/stop operation of the compressor according to the pressure signal.
7. an apparatus for effecting liquid hydrogen storage based on complexes and buffers as claimed in claim 1 wherein the complex hydrogen storage materials are various complex hydrides, amino complexes, organometallic complexes and composite hydrogen storage materials including LiBH4, Mg (NH3) Cl2, arene-halide complexes, LiBH4-Mg (NH2)2 and Mg (NH2) 2-LiH.
8. a hydrogenation energy supply system for realizing liquid hydrogen storage based on a complex and a buffer solution is characterized by comprising the following specific processes:
(1) compressing hydrogen fuel supplied by a gas filling station through a compressor, and conveying the compressed hydrogen fuel to a storage tank;
(2) controlling the temperature regulating mechanism to cool or heat so that the temperature in the tank is in a preset range, and the complex hydrogen storage material is in a liquid state, and hydrogen fuel is stored in the storage tank;
(3) When the pressure of the storage tank reaches a preset value, the pressure switch transmits a pressure signal, and the vehicle state controller controls the compressor to stop working;
(4) The temperature adjusting mechanism heats or cools, the complex hydrogen storage material in the storage tank releases hydrogen when reaching a certain temperature, and the hydrogen storage material is in a solid state;
(5) Hydrogen from the storage tank enters a hydrogen buffer tank through a delivery pipe under the control of an electromagnetic control valve and a pressure switch;
(6) the hydrogen gas in the hydrogen buffer tank is supplied to a generator set using a hydrogen fuel engine for generating electricity.
9. The complex and buffer based hydrokinetic energy storage system for liquid hydrogen storage based on claim 8, further comprising replacing the hydrogen storage material by the steps of:
Firstly, aligning a filling gun of hydrogen storage materials to a filling port of a storage tank, and butting and locking a locking flange of the filling gun and a flange of the filling port;
Opening an electric control valve of the filling opening, and inserting a sleeve of a filling gun into the storage tank through the filling opening;
pumping the invalid hydrogen storage material in the storage tank out of the inner pipe of the sleeve pipe by adopting an air flow conveying mode;
adding fresh saturated hydrogen storage materials into the storage tank by adopting an air flow conveying mode;
And fifthly, after filling, drawing out the filling gun, closing the electric control valve, unlocking the locking flange and covering a cover plate of the filling opening.
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| CN201810528698.2A CN110544783A (en) | 2018-05-29 | 2018-05-29 | device for realizing liquid hydrogen storage based on complex and buffer liquid and hydrogenation energy supply system |
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| CN201810528698.2A CN110544783A (en) | 2018-05-29 | 2018-05-29 | device for realizing liquid hydrogen storage based on complex and buffer liquid and hydrogenation energy supply system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114017669A (en) * | 2021-11-23 | 2022-02-08 | 安徽安凯汽车股份有限公司 | Hydrogen fuel cell passenger car hydrogenation supercharging device |
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Application publication date: 20191206 |