CN216556494U - Hydrogen production storage device with overvoltage pressure release protection mechanism - Google Patents
Hydrogen production storage device with overvoltage pressure release protection mechanism Download PDFInfo
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- CN216556494U CN216556494U CN202123375844.9U CN202123375844U CN216556494U CN 216556494 U CN216556494 U CN 216556494U CN 202123375844 U CN202123375844 U CN 202123375844U CN 216556494 U CN216556494 U CN 216556494U
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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
- Y02E60/32—Hydrogen storage
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Abstract
The utility model discloses a hydrogen production storage device with an overpressure pressure relief protection mechanism, which comprises a device framework, wherein an insulation can is installed at the bottom of the device framework, a hydrogen storage tank is installed in the insulation can, an exhaust pipe is installed at the top end of the hydrogen storage tank, a manual valve is installed at the top end of the exhaust pipe, a bracket is fixed on the outer wall of one side of the device framework, a pressure relief tank is fixed on the outer wall of the bracket, first bent pipes are fixed on the outer wall of one side of the hydrogen storage tank, two groups of the first bent pipes are arranged, a manual control valve is installed at the bottom end of each first bent pipe, and a pressure relief straight pipe is installed at the bottom end of each manual control valve. The utility model not only enhances the heat preservation and insulation performance of the device, helps the liquid hydrogen in the device to be maintained in a low-temperature state for a long time, but also realizes the function of automatic pressure relief of the device, meets various hydrogen storage working conditions of the device, avoids overhigh pressure in the device and improves the use safety of the device.
Description
Technical Field
The utility model relates to the technical field of hydrogen storage, in particular to a hydrogen production storage device with an overpressure decompression protection mechanism.
Background
Hydrogen, which is a very flammable, colorless, transparent, odorless, tasteless and poorly water-soluble gas, is commonly used as a fuel for rocket launching, is also now used as a fuel for other vehicles, and has also found wide application in the metallurgical, chemical industries, etc., as well as for oxyhydrogen flames, oxyhydrogen cells, filled balloons, smelting tungsten and molybdenum, etc., important metals, and is commonly stored in storage tanks as liquid hydrogen that must be maintained at very low temperatures (approximately 20.268 kelvin, -252.8 ℃). The density of liquid hydrogen is about 70.8 kilograms per cubic meter (at 20 kelvin) and is very low.
This type of hydrogen manufacturing storage device on the market is various today, can satisfy people's user demand basically, but still has certain weak point, and current this type of hydrogen manufacturing storage device forces the fly leaf to push down, the spring shrink through hydrogen in the use to increase internal pressure, this type pressure release protective structure is too simple, even under the lower condition of jar body pressure, hydrogen is also circulating, and the pressure release function is relatively poor, is difficult to satisfy the user demand.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a hydrogen production storage device with an overpressure pressure relief protection mechanism, and aims to solve the problem that the pressure relief protection mechanism of the hydrogen production storage device is too simple and cannot meet the use requirement in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a hydrogen manufacturing storage device with excessive pressure release protection mechanism, includes the device skeleton, the insulation can is installed to the bottom of device skeleton, just the internally mounted of insulation can has the hydrogen storage tank, the blast pipe is installed on the top of hydrogen storage tank, just manual valve is installed on the top of blast pipe, be fixed with the bracket on the outer wall of device skeleton one side, just be fixed with the pressure release jar on the outer wall of bracket, be fixed with first return bend on the outer wall of hydrogen storage tank one side, just first return bend is provided with two sets ofly, manual control valve is installed to the bottom of first return bend, the pressure release straight tube is installed to the bottom of manual control valve, pressure release mechanism is installed to the one end of pressure release straight tube, and pressure release mechanism includes the honeycomb duct, the one end of honeycomb duct extends to the inside of pressure release jar.
Preferably, the outer wall of one side of the device framework is provided with a back plate, the outer wall of one side of the back plate is provided with a support, and the support is fixedly connected with the outer wall of the hydrogen storage tank.
Preferably, a ceramic inner container is fixed inside the hydrogen storage tank, and an ultra-vacuum heat insulation layer is arranged in an interlayer between the ceramic inner container and the hydrogen storage tank.
Preferably, a barometer is installed on one side of the surface of the exhaust pipe.
Preferably, a first fixing plate is fixed to one end of the inside of the guide pipe, a second fixing plate is fixed to the other end of the inside of the guide pipe, a guide pillar is slidably mounted inside the first fixing plate, a second sealing plate is fixed to one side of the surface of the guide pillar, the second sealing plate is in contact with the first fixing plate, a first sealing plate is fixed to one end of the surface of the guide pillar, the first sealing plate is in contact with the second fixing plate, main through holes are formed in two sides of the surface of the first fixing plate, and auxiliary through holes are formed in two sides of the surface of the second fixing plate.
Preferably, a spring is wound on one side of the surface of the guide post, and one end of the spring is fixed on the outer wall of the first fixing plate.
Compared with the prior art, the utility model has the beneficial effects that: the hydrogen production storage device with the overpressure pressure relief protection mechanism not only enhances the heat preservation and insulation performance of the device and helps liquid hydrogen in the device to be maintained in a low-temperature state for a long time, but also realizes the automatic pressure relief function of the device, meets various hydrogen storage working conditions of the device, avoids overhigh pressure in the device and improves the use safety of the device;
(1) through the arrangement of the mutually matched structures such as the ceramic inner container and the ultra-vacuum heat insulation layer, heat insulation treatment is carried out through the ceramic inner container and the ultra-vacuum heat insulation layer, the ultra-vacuum heat insulation layer can greatly reduce temperature loss, and liquid hydrogen in the device is helped to be maintained at a low temperature state for a long time;
(2) through the mutually matched structures of the first fixing plate, the second fixing plate and the like, when the pressure of hydrogen in the hydrogen storage tank is overlarge, the hydrogen impacts the guide pillar to enable the guide pillar to move to the right, at the moment, the first fixing plate and the second fixing plate are in a distribution state, the hydrogen smoothly passes through the second fixing plate and the first fixing plate and enters the pressure release tank, at the moment, pressure release is carried out, and after the pressure in the hydrogen storage tank is reduced, the spring forces the first sealing plate, the guide pillar and other parts to reset, namely, the flow guide pipe is in a closed state, so that the automatic pressure release function of the device is realized, and the overhigh internal pressure of the device is avoided;
(3) through being provided with the structure of mutually supporting such as first return bend and pressure release straight tube, can manually rotate manual control valve for the hydrogen circulation of first return bend, pressure release straight tube reduces, reduces the impact pressure of hydrogen to the guide pillar promptly, makes the hydrogen storage pressure in the hydrogen storage tank improve, satisfies multiple hydrogen storage operating mode.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic sectional view of the hydrogen storage tank according to the present invention;
FIG. 4 is an enlarged schematic view of the pressure relief mechanism of the present invention;
in the figure: 1. a device skeleton; 101. a back plate; 2. a heat preservation box; 3. a support; 4. a hydrogen storage tank; 401. a ceramic inner container; 402. an ultra-vacuum thermal insulation layer; 5. an exhaust pipe; 6. a manual valve; 7. a barometer; 8. a first bend pipe; 9. a manual control valve; 10. a pressure relief straight pipe; 11. a pressure relief mechanism; 1101. a flow guide pipe; 1102. a first fixing plate; 1103. a main through hole; 1104. a guide post; 1105. a first sealing plate; 1106. a second fixing plate; 1107. a secondary through hole; 1108. a second sealing plate; 1109. a spring; 12. a bracket; 13. a pressure relief tank.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an embodiment of the present invention is shown: a hydrogen production storage device with an overpressure pressure relief protection mechanism comprises a device framework 1, wherein an insulation box 2 is installed at the bottom of the device framework 1, a hydrogen storage tank 4 is installed inside the insulation box 2, the insulation box 2 is used for insulating and supporting the hydrogen storage tank 4, a ceramic inner container 401 is fixed inside the hydrogen storage tank 4, an ultra-vacuum heat insulation layer 402 is installed in an interlayer between the ceramic inner container 401 and the hydrogen storage tank 4, and when hydrogen is injected and stored at low temperature, heat insulation treatment is carried out through the ceramic inner container 401 and the ultra-vacuum heat insulation layer 402;
the ultra-vacuum heat insulation layer 402 can greatly avoid temperature loss, enhance the heat insulation performance of the device and help the liquid hydrogen in the device to be maintained in a low-temperature state for a long time;
a back plate 101 is arranged on the outer wall of one side of the device framework 1, a support 3 is arranged on the outer wall of one side of the back plate 101, the support 3 is fixedly connected with the outer wall of the hydrogen storage tank 4, and the support 3 improves the fixing strength of the hydrogen storage tank 4;
an exhaust pipe 5 is installed at the top end of the hydrogen storage tank 4, a manual valve 6 is installed at the top end of the exhaust pipe 5, a worker connects the manual valve 6 to a hydrogen supply end, at the moment, hydrogen enters the hydrogen storage tank 4, a barometer 7 is installed on one side of the surface of the exhaust pipe 5, and the worker can observe the hydrogen pressure of the hydrogen storage tank 4 conveniently through the arrangement of the barometer 7;
a bracket 12 is fixed on the outer wall of one side of the device framework 1, a pressure relief tank 13 is fixed on the outer wall of the bracket 12, a switch valve is installed at the central position of the bottom end of the pressure relief tank 13, the pressure relief tank 13 plays a role in gas storage, a first bent pipe 8 is fixed on the outer wall of one side of the hydrogen storage tank 4, two groups of first bent pipes 8 are arranged, a manual control valve 9 is installed at the bottom end of the first bent pipe 8, a pressure relief straight pipe 10 is installed at the bottom end of the manual control valve 9, a pressure relief mechanism 11 is installed at one end of the pressure relief straight pipe 10, when the pressure of hydrogen stored in the hydrogen storage tank 4 needs to be improved, a worker can manually rotate the manual control valve 9, and the hydrogen flow of the first bent pipe 8 and the pressure relief straight pipe 10 is reduced;
the hydrogen storage pressure in the hydrogen storage tank 4 is improved by reducing the impact pressure of hydrogen on the guide post 1104, so that various hydrogen storage working conditions are met;
the pressure relief mechanism 11 comprises a flow guide pipe 1101, one end of the flow guide pipe 1101 extends into the pressure relief tank 13, a first fixing plate 1102 is fixed at one end inside the flow guide pipe 1101, a second fixing plate 1106 is fixed at the other end inside the flow guide pipe 1101, a guide pillar 1104 is slidably mounted inside the first fixing plate 1102, a spring 1109 is wound on one side of the surface of the guide pillar 1104, one end of the spring 1109 is fixed on the outer wall of the first fixing plate 1102, and the spring 1109 forces relevant parts in the flow guide pipe 1101 to reset;
a second sealing plate 1108 is fixed on one side of the surface of the guide pillar 1104, the second sealing plate 1108 is in contact with the first fixing plate 1102, a first sealing plate 1105 is fixed on one end of the surface of the guide pillar 1104, when the pressure of hydrogen in the hydrogen storage tank 4 is too high, the hydrogen impacts the guide pillar 1104, so that the guide pillar 1104 moves to the right, namely the guide pillar 1104, the first sealing plate 1105 and the second sealing plate 1108 move to the right;
the first sealing plate 1105 is in contact with the second fixing plate 1106, the main through holes 1103 are disposed on both sides of the surface of the first fixing plate 1102, the auxiliary through holes 1107 are disposed on both sides of the surface of the second fixing plate 1106, and when the auxiliary through holes 1107 and the main through holes 1103 are not shielded, hydrogen gas smoothly passes through the second fixing plate 1106 and the first fixing plate 1102 and enters the pressure relief tank 13;
after the pressure in the hydrogen storage tank 4 is reduced, the hydrogen is difficult to impact the guide post 1104 to move, the spring 1109 forces the first sealing plate 1105, the guide post 1104 and other parts to reset, namely the guide pipe 1101 is in a closed state, so that the function of automatic pressure relief of the device is realized, the internal pressure of the device is prevented from being too high, and the use safety of the device is improved.
When the hydrogen storage tank is used, firstly, a worker connects the manual valve 6 to a hydrogen supply end, hydrogen enters the hydrogen storage tank 4 at the moment, when the hydrogen is injected and stored at a low temperature, heat preservation treatment is carried out through the ceramic liner 401 and the ultra-vacuum heat-insulation layer 402, the ultra-vacuum heat-insulation layer 402 can greatly avoid temperature loss, the heat preservation and heat insulation performance of the device is enhanced, liquid hydrogen in the device is kept at a low temperature state for a long time, when the pressure of the hydrogen in the hydrogen storage tank 4 is overlarge, the hydrogen impacts the guide pillar 1104 to enable the guide pillar 1104 to move to the right, namely, the guide pillar 1104, the first sealing plate 1105 and the second sealing plate 1108 move to the right, the spring 1109 is in a compression state, at the moment, the auxiliary through hole 1107 and the main through hole 1103 lose shielding, the hydrogen smoothly passes through the second fixing plate 1106 and the first fixing plate 1102 and enters the pressure relief tank 13, and when the pressure in the hydrogen storage tank 4 is reduced, the hydrogen is difficult to impact the guide pillar 1104 to move again, the spring 1109 forces the first sealing plate 1105, the guide post 1104 and other parts to reset, namely the guide pipe 1101 is in a closed state, thereby realizing the function of automatic pressure relief of the device, avoiding the overhigh internal pressure of the device and improving the use safety of the device;
when the pressure of hydrogen stored in the hydrogen storage tank 4 needs to be increased, a worker can manually rotate the manual control valve 9, so that the hydrogen flow of the first bent pipe 8 and the pressure relief straight pipe 10 is reduced, namely, the impact pressure of hydrogen on the guide pillar 1104 is reduced, the hydrogen storage pressure in the hydrogen storage tank 4 is increased, and various hydrogen storage working conditions are met.
Claims (6)
1. The utility model provides a hydrogen manufacturing storage device with excessive pressure release protection mechanism which characterized in that: comprises a device framework (1), an insulation can (2) is installed at the bottom of the device framework (1), a hydrogen storage tank (4) is installed inside the insulation can (2), an exhaust pipe (5) is installed at the top end of the hydrogen storage tank (4), a manual valve (6) is installed at the top end of the exhaust pipe (5), a bracket (12) is fixed on the outer wall of one side of the device framework (1), a pressure relief tank (13) is fixed on the outer wall of the bracket (12), a first elbow (8) is fixed on the outer wall of one side of the hydrogen storage tank (4), two groups of first elbows (8) are arranged, a manual control valve (9) is installed at the bottom end of the first elbow (8), a pressure relief straight pipe (10) is installed at the bottom end of the manual control valve (9), a pressure relief mechanism (11) is installed at one end of the straight pipe (10), and the pressure relief mechanism (11) comprises a guide pipe (1101), one end of the flow guide pipe (1101) extends to the inside of the pressure relief tank (13).
2. The hydrogen production storage device with an overpressure relief protection mechanism as claimed in claim 1, wherein: install backplate (101) on the outer wall of device skeleton (1) one side, install support (3) on the outer wall of backplate (101) one side, support (3) and the outer wall fixed connection of hydrogen storage tank (4).
3. The hydrogen production storage device with an overpressure relief protection mechanism as claimed in claim 1, wherein: a ceramic inner container (401) is fixed inside the hydrogen storage tank (4), and an ultra-vacuum heat insulation layer (402) is installed in an interlayer between the ceramic inner container (401) and the hydrogen storage tank (4).
4. The hydrogen production storage device with an overpressure relief protection mechanism as claimed in claim 1, wherein: and a barometer (7) is arranged on one side of the surface of the exhaust pipe (5).
5. The hydrogen production storage device with an overpressure relief protection mechanism as claimed in claim 1, wherein: the guide pipe structure is characterized in that a first fixing plate (1102) is fixed to one end inside the guide pipe (1101), a second fixing plate (1106) is fixed to the other end inside the guide pipe (1101), a guide pillar (1104) is slidably mounted inside the first fixing plate (1102), a second sealing plate (1108) is fixed to one side of the surface of the guide pillar (1104), the second sealing plate (1108) is in contact with the first fixing plate (1102), a first sealing plate (1105) is fixed to one end of the surface of the guide pillar (1104), the first sealing plate (1105) is in contact with the second fixing plate (1106), main through holes (1103) are formed in two sides of the surface of the first fixing plate (1102), and auxiliary through holes (1107) are formed in two sides of the surface of the second fixing plate (1106).
6. The hydrogen production storage device with an overpressure relief protection mechanism as claimed in claim 5, wherein: one side of the surface of the guide post (1104) is wound with a spring (1109), and one end of the spring (1109) is fixed on the outer wall of the first fixing plate (1102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123375844.9U CN216556494U (en) | 2021-12-30 | 2021-12-30 | Hydrogen production storage device with overvoltage pressure release protection mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123375844.9U CN216556494U (en) | 2021-12-30 | 2021-12-30 | Hydrogen production storage device with overvoltage pressure release protection mechanism |
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| CN216556494U true CN216556494U (en) | 2022-05-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115451323A (en) * | 2022-08-31 | 2022-12-09 | 广东宝杰环保科技有限公司 | Multistage high-pressure hydrogen storage container |
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2021
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115451323A (en) * | 2022-08-31 | 2022-12-09 | 广东宝杰环保科技有限公司 | Multistage high-pressure hydrogen storage container |
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