CN214948175U - Hydrogen storage device - Google Patents
Hydrogen storage device Download PDFInfo
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- CN214948175U CN214948175U CN202120399389.7U CN202120399389U CN214948175U CN 214948175 U CN214948175 U CN 214948175U CN 202120399389 U CN202120399389 U CN 202120399389U CN 214948175 U CN214948175 U CN 214948175U
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Abstract
The utility model discloses a hydrogen storage device. The high-efficiency hydrogen storage device comprises an inner container, an outer container and a cold insulation layer which are sequentially coated; the inner container is filled with a filler, and the filler is formed by sintering a composite material of graphene and magnesium and is cylindrical; the inner container is made of aluminum alloy material; the composite material of graphene and magnesium is stretched into a filamentous or flaky structure, and then the filler is prepared. The utility model provides a novel hydrogen storage device has operating temperature and mildly, stores up hydrogen pressure low grade advantage, and it is simple, degree of automation is high to store up the hydrogen flow, and the equipment that adopts is reliable, improves the preparation cost and the liquefaction cost of hydrogen, and economic benefits is showing.
Description
Technical Field
The utility model relates to a hydrogen storage device belongs to hydrogen energy and utilizes technical field.
Background
Hydrogen energy is a recognized clean energy source, is considered as the most potential fossil fuel substitute in the future due to the advantages of high energy density, zero carbon emission and the like, is considered as an ultimate scheme in the field of mobile energy represented by hydrogen fuel cell automobiles, and green hydrogen can also be used as a hydrogen source in the hydrogenation process of fossil resources to realize carbon emission reduction. The hydrogen energy as a new secondary energy can play an important role in low-carbon emission reduction and future green energy systems. The international hydrogen energy commission predicts that in 2050, hydrogen energy will account for 18% of energy consumption. By 2050 years, the hydrogen energy is expected to reach more than 10% in the energy structure of China.
The hydrogen energy industry has a long chain, and relates to the links of hydrogen production, storage and transportation, application, fuel cells and the like. Although the demonstrated application of hydrogen energy in China is remarkably advanced, the industry generally considers that the hydrogen energy has already entered the industrial lead-in period, but the scale development path still faces the same various challenges as other new technologies. The weak facilities of the hydrogen station, the high cost of terminal hydrogen and the high cost of fuel cells are the prominent factors influencing the industry development at present, and the scale process of hydrogen energy and fuel cells can be accelerated only by comprehensively breaking through the chain system, storage, transportation and use of the hydrogen energy industry. In particular, the industry chain is at a different stage and faces different problems.
Hydrogen energy development planning is made in the United states, Japan, Canada, European Union and the like, at present, governments at all levels in China also pay high attention to the development of the hydrogen energy industry, and a top-down policy support system is formed. At present, the key factor influencing the development of the hydrogen energy industry is the price of hydrogen, and the price of hydrogen determines the economy of hydrogen utilization, and further determines the economy and feasibility of the whole industry. The hydrogen energy industry comprises three main links of hydrogen production, hydrogen storage and transportation and hydrogen utilization, wherein efficient gas storage is the key for reducing the operation cost of the whole industry chain of hydrogen energy and realizing the development of the hydrogen energy industry.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems that high-pressure hydrogen has potential safety risk, and the liquid hydrogen storage has high liquefaction energy consumption and high liquid hydrogen manufacturing cost, the utility model provides a novel high-efficiency hydrogen storage device which can realize high-efficiency hydrogen storage under mild conditions; the hydrogen storage device has high hydrogen storage density and convenient operation, and can well solve the problem of high-efficiency and safe storage of hydrogen.
The high-efficiency hydrogen storage device provided by the utility model comprises an inner container, an outer container and a cold insulation layer which are sequentially coated;
the inner container is filled with a filler, and the filler is formed by sintering a graphene and magnesium composite material and is cylindrical;
the inner container is made of aluminum alloy materials and has the advantages of hydrogen embrittlement resistance and light weight.
In the hydrogen storage device, the graphene and magnesium composite material is stretched into a filamentous or flaky structure, and then the filler is prepared, so that the hydrogen storage device has the characteristics of stable structure and high hydrogen storage density.
In the hydrogen storage device, the aluminum alloy is utilized, the bottle mouth of the hydrogen storage device is prepared through a spinning process, and the main body of the liner is prepared through an integral bending welding mode.
In the above hydrogen storage apparatus, the outer container is made of carbon fiber;
the outer liner is formed by winding a plurality of layers of the carbon fibers, has the advantages of pressure resistance, stability, long service life and the like,
the inner container and the carbon fiber are wound in multiple layers at high temperature and are tightly combined, so that the inner container has the advantages of fatigue resistance and hydrogen embrittlement resistance.
In the above hydrogen storage device, the cold insulation layer is made of a polyurethane material.
In the above hydrogen storage device, a heating layer is disposed between the outer container and the cold insulation layer;
an electric heating pipe is arranged in the heating layer, and a temperature sensor and a PIC temperature controller are connected to the electric heating pipe.
In the above hydrogen storage device, a bottle mouth of the hydrogen storage device is matched with a pressure control system;
the pressure control system comprises a pressure sensor, a PIC pressure controller, a pressure regulating valve and a pressure safety relief valve which are arranged on a pipeline matched with the bottle mouth.
When the hydrogen storage device is used for storing hydrogen, the hydrogen storage pressure range of the hydrogen storage device is 3-10 MPaG, and the temperature is-100-80 ℃; when discharging hydrogen, the operating pressure of the hydrogen storage device is 0-3 MPaG, and the temperature is-100-80 ℃.
The utility model provides a novel hydrogen storage device has operating temperature and mildly, stores up hydrogen pressure low grade advantage, and it is simple, degree of automation is high to store up the hydrogen flow, and the equipment that adopts is reliable, improves the preparation cost and the liquefaction cost of hydrogen, and economic benefits is showing.
Drawings
Fig. 1 is a schematic structural diagram of the high-pressure hydrogen storage device of the present invention.
The respective symbols in the figure are as follows:
1 inner container, 2 outer containers, 3 cold insulation layers, 4 fillers, 5 heating layers, 6 electric heating pipes, 7 temperature sensors, 8PIC temperature controllers, 9 pressure sensors, 10PIC pressure controllers, 11 pressure regulating valves and 12 pressure safety relief valves.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to the following embodiments.
As shown in figure 1, the high pressure hydrogen storage device provided by the utility model comprises an inner container 1, an outer container 2 and a cold insulation layer 3 which are sequentially coated. The inner container 1 is filled with a filler 4, wherein the filler 4 is formed by sintering a graphene and magnesium composite material and is cylindrical, specifically, the graphene and magnesium composite material is stretched into a filamentous or sheet structure, and then the columnar cage-shaped filler 4 is prepared. The inner container 1 is made of aluminum alloy materials, a bottle mouth of the hydrogen storage device is prepared by aluminum alloy through a spinning process, and a main body of the inner container 1 is prepared in an integral bending welding mode. The outer liner 2 is made of carbon fibers and formed by winding multiple layers of carbon fibers, and the inner liner 1 and the carbon fibers are wound and tightly combined through the high-temperature multiple layers. The cold insulation layer 3 is made of a polyurethane material.
The utility model discloses among the hydrogen storage device, be equipped with zone of heating 5 between outer courage 2 and the cold insulation layer 3, arrange electric heating pipe 6 in the zone of heating 5, electric heating pipe 6 connects temperature sensor 7 and PIC temperature controller 8.
The utility model discloses among the hydrogen storage device, hydrogen storage device's bottleneck cooperation pressure control system, this pressure control system including locate with bottleneck complex on the pipeline pressure sensor 9, PIC pressure controller 10, pressure regulating valve 11 and pressure safety relief valve 12.
Application examples 1,
1. The hydrogen after pressurization and cooling is injected into the high-pressure hydrogen storage device through the low-temperature valve, the storage temperature of the hydrogen after the completion of the filling is-70 ℃, the pressure is 3.0MPG, and the hydrogen volume hydrogen storage density is more than 45kg/m at the moment3(H2)。
2. The utility model discloses when high pressure hydrogen storage device excretes hydrogen, the pressure range of operating of gas cylinder is 1MPaG, and the temperature is 40 ℃, and the density of hydrogen residual hydrogen is 1kg/m this moment3。
Application examples 2,
1. Pressure boostAnd the cooled hydrogen is injected into the novel high-pressure hydrogen storage device through the low-temperature valve, the storage temperature of the hydrogen after the filling is completed is-20 ℃, the pressure is 10.0MPG, and the hydrogen volume hydrogen storage density is more than 48kg/m at the moment3(H2)。
2. The utility model discloses when high pressure hydrogen storage device excretes hydrogen, the pressure range of operating of gas cylinder is 3.0MPaG, and the temperature is 80 ℃, and the density of hydrogen residual hydrogen is 1.5kg/m this moment3。
Claims (9)
1. An efficient hydrogen storage device comprises an inner container, an outer container and a cold insulation layer, wherein the outer container and the cold insulation layer are sequentially coated;
the inner container is filled with a filler, and the filler is formed by sintering a graphene and magnesium composite material and is cylindrical;
the inner container is made of an aluminum alloy material.
2. A hydrogen storage apparatus as claimed in claim 1, wherein: and stretching the graphene and magnesium composite material into a filamentous or flaky structure, and then preparing the filler.
3. A hydrogen storage apparatus according to claim 1 or 2, characterized in that: and preparing a bottle mouth of the hydrogen storage device by using the aluminum alloy through a spinning process, and preparing a main body of the liner in an integral bending welding mode.
4. A hydrogen storage apparatus as claimed in claim 3, characterized in that: the outer container is made of carbon fiber.
5. A hydrogen storage apparatus as claimed in claim 4, characterized in that: the outer container is formed by winding a plurality of layers of the carbon fibers.
6. A hydrogen storage apparatus as claimed in claim 5, characterized in that: the cold insulation layer is made of polyurethane materials.
7. A hydrogen storage apparatus as claimed in claim 6, characterized in that: a heating layer is arranged between the outer liner and the cold insulation layer.
8. A hydrogen storage apparatus as claimed in claim 7, characterized in that: an electric heating pipe is arranged in the heating layer, and a temperature sensor and a PIC temperature controller are connected to the electric heating pipe.
9. A hydrogen storage apparatus as claimed in claim 8, wherein: the bottle mouth of the hydrogen storage device is matched with a pressure control system;
the pressure control system comprises a pressure sensor, a PIC pressure controller, a pressure regulating valve and a pressure safety relief valve which are arranged on a pipeline matched with the bottle mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120399389.7U CN214948175U (en) | 2021-02-23 | 2021-02-23 | Hydrogen storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120399389.7U CN214948175U (en) | 2021-02-23 | 2021-02-23 | Hydrogen storage device |
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| CN214948175U true CN214948175U (en) | 2021-11-30 |
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| CN202120399389.7U Active CN214948175U (en) | 2021-02-23 | 2021-02-23 | Hydrogen storage device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833323A (en) * | 2021-02-23 | 2021-05-25 | 中海石油气电集团有限责任公司 | High-efficient hydrogen storage device |
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2021
- 2021-02-23 CN CN202120399389.7U patent/CN214948175U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833323A (en) * | 2021-02-23 | 2021-05-25 | 中海石油气电集团有限责任公司 | High-efficient hydrogen storage device |
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