CN215335774U - Offshore hydrogen storage system - Google Patents
Offshore hydrogen storage system Download PDFInfo
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- CN215335774U CN215335774U CN202121531411.5U CN202121531411U CN215335774U CN 215335774 U CN215335774 U CN 215335774U CN 202121531411 U CN202121531411 U CN 202121531411U CN 215335774 U CN215335774 U CN 215335774U
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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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- 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
- Y02E60/34—Hydrogen distribution
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Abstract
The utility model relates to an offshore hydrogen storage system, which comprises a gas storage unit and a gas transmission unit, wherein the gas storage unit comprises a plurality of gas transmission branch pipes and a plurality of gas storage bottles, each gas storage bottle is respectively connected with one gas transmission branch pipe, and the gas transmission branch pipe corresponding to each gas storage bottle is provided with a stop valve; the gas transmission unit comprises a gas transmission main pipe and a pressure regulating assembly, the pressure regulating assembly is positioned on the gas transmission main pipe, and the plurality of gas transmission branch pipes are respectively connected to the input end of the gas transmission main pipe. Hydrogen is directly supplied to users through the gas storage cylinder, hydrogen production equipment does not need to be arranged, and potential safety hazards in the hydrogen production process are avoided; the gas transmission main pipe can be independently controlled through the stop valve, and when hydrogen leakage caused by gas transmission pipe breakage occurs, the leakage amount of the hydrogen can be effectively reduced; the pressure regulating assembly can regulate the pressure of the hydrogen output by the gas transmission main pipe, and on one hand, the pressure regulating assembly can regulate the output hydrogen to be output at a stable pressure; on the other hand, the pressure regulating assembly can also change the pressure of the output hydrogen, and is favorable for adapting to different requirements of various users.
Description
Technical Field
The utility model relates to the technical field of hydrogen storage, in particular to an offshore hydrogen storage system.
Background
In conventional terrestrial pressurized water reactors (e.g., CPR), hydrogen is used to regulate the hydrogen concentration in the reactor coolant, inhibiting the radiative decomposition of water by hydrogen and thus inhibiting the production of oxygen. The hydrogen is obtained by mainly using a process means of water electrolysis hydrogen production in a power plant, and water electrolysis hydrogen production equipment is mainly configured.
However, for the use of offshore hydrogen, the space of ships and the like is limited due to the large hydrogen production equipment and the complex process; oxygen is generated during the hydrogen production process, and the explosion risk exists during the purification and separation process; and the hydrogen directly output by the hydrogen production equipment has single pressure and can not meet the pressure requirements of different users, so that the hydrogen production space directly on the sea is limited, the risk is high and the user requirements can not be met.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide an offshore hydrogen storage system for solving the problems of limited space for offshore hydrogen production, high risk and incapability of meeting the requirements of users.
An offshore hydrogen storage system comprising:
the gas storage unit comprises a plurality of gas transmission branch pipes and a plurality of gas storage bottles, each gas storage bottle is respectively connected with the corresponding gas transmission branch pipe, and the gas transmission branch pipe corresponding to each gas storage bottle is provided with a first stop valve;
the gas transmission unit comprises a gas transmission main pipe and a pressure regulating assembly, wherein the pressure regulating assembly is positioned on the gas transmission main pipe, the pressure regulating assembly is used for regulating the pressure of hydrogen output by the gas transmission main pipe, and the gas transmission branch pipes are connected to the input end of the gas transmission main pipe respectively.
In one embodiment, the pressure regulating assembly is a pressure increasing assembly or a pressure reducing assembly.
In one embodiment, the gas transmission unit further comprises: the pressure regulating subassembly is two, two the pressure regulating subassembly is pressure boost subassembly and decompression subassembly respectively, pressure boost subassembly with decompression subassembly's input is connected to jointly gas transmission house steward, pressure boost subassembly with decompression subassembly's output also is connected to jointly gas transmission house steward, pressure boost subassembly with decompression subassembly can work independently each other.
In one embodiment, the pressure regulating assembly comprises a pressure regulating valve and a connecting pipeline, the pressure regulating valve is connected to the gas transmission main pipe through the connecting pipeline, and the pressure regulating valve is a pressure increasing valve or a pressure reducing valve.
In one embodiment, the pressure regulating assembly further comprises a second stop valve disposed on the connecting line, the second stop valve being located at an inlet side of the pressure regulating valve, and the second stop valve being configured to open or close the pressure regulating valve.
In one embodiment, the pressure regulating assembly further comprises a check valve, the check valve is arranged on the connecting pipeline and is located at the outlet side of the pressure regulating valve, and the check valve is used for preventing hydrogen at the output end of the gas transmission main pipe from flowing back to the gas storage bottle.
In one embodiment, the pressure regulating assembly further comprises a third pressure gauge and a fourth pressure gauge, the third pressure gauge is arranged on an inlet side of the pressure regulating valve, and the fourth pressure gauge is arranged on an outlet side of the pressure regulating valve.
In one embodiment, a first pressure gauge is further disposed on the gas transmission branch pipe corresponding to each gas storage cylinder.
In one embodiment, the safety valve is arranged on the gas transmission main pipe and is positioned on one side, close to the gas storage unit, of the pressure regulating assembly, and a flame arrester is connected to one side of a discharge opening of the safety valve.
In one embodiment, the gas transmission unit further comprises a hydrogen concentration detector and an electric valve, the electric valve is arranged on the gas transmission main pipe and is positioned on one side of the pressure regulating assembly close to the gas storage unit, and the hydrogen concentration detector is electrically connected with the electric valve.
In one embodiment, the gas transmission unit further comprises a second pressure gauge, and the second pressure gauge is arranged close to the output end of the gas transmission main pipe.
In one embodiment, the gas delivery unit further comprises a filter disposed proximate the output end of the gas delivery manifold.
In one embodiment, the gas storage cylinder is a high-pressure gas cylinder with the gas pressure of more than or equal to 10 MPa.
According to the offshore hydrogen storage system, the plurality of gas storage bottles are arranged on the ship, hydrogen is directly supplied to users through the gas storage bottles, hydrogen production equipment does not need to be arranged, and unsafe accidents in the hydrogen production process are avoided; a stop valve is arranged on a gas transmission branch pipe connected with each gas storage bottle, and each gas storage bottle can be independently controlled, so that the leakage risk of hydrogen can be reduced, and the use safety of the hydrogen is improved; meanwhile, the pressure regulating assembly is arranged in the gas transmission main pipe and can regulate the pressure of the hydrogen output by the gas transmission main pipe, and on one hand, the pressure regulating assembly can regulate the output hydrogen to be output at a stable pressure; on the other hand, the pressure regulating assembly can also change the pressure of the output hydrogen, and is favorable for adapting to different requirements of various users.
Drawings
FIG. 1 is a schematic diagram of an offshore hydrogen storage system connection in one embodiment;
reference numerals: 100-a gas storage unit; 110-gas cylinder; 111-a coolable base; 120-gas transmission branch pipe; 130-a first stop valve; 140-a first pressure gauge;
200-a gas transmission unit; 210-a gas transmission main; 220-a pressurizing assembly; 222-a pressure increasing valve; 223-check valve; 224-a third pressure gauge; 225-fourth pressure gauge; 226-a second stop valve; 230-a pressure relief assembly; 231-a pressure reducing valve; 240-safety valve; 241-a flame arrester; 250-a third stop valve; 260-temperature measuring meter; 270-electrically operated valve; 271-hydrogen concentration detector; 280-a second pressure gauge; 290-a filter;
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
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; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. 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 present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Referring to fig. 1, fig. 1 shows a schematic connection diagram of an offshore hydrogen storage system according to an embodiment of the present invention, and an embodiment of the present invention provides an offshore hydrogen storage system, including: the gas storage unit 100 comprises a plurality of gas transmission branch pipes 120 and a plurality of gas storage bottles 110, each gas storage bottle 110 is connected through the corresponding gas transmission branch pipe 120, and the corresponding gas transmission branch pipe 120 of each gas storage bottle 110 is provided with a first stop valve 130; the gas transmission unit 200 includes a gas transmission main pipe 210 and a pressure regulating assembly, the pressure regulating assembly is located on the gas transmission main pipe, the pressure regulating assembly is used for regulating the pressure of hydrogen output by the gas transmission main pipe 210, and the plurality of gas transmission branch pipes 120 are respectively connected to the inlet end of the gas transmission main pipe 210.
It can be understood that, by arranging a plurality of gas storage cylinders 110 on the ship, the gas storage cylinders 110 have certain pressure, hydrogen is directly supplied to users through the gas storage cylinders 110, hydrogen production equipment is not required, and increase of use risk caused by generation of oxygen in the hydrogen production process is avoided; the gas transmission branch pipe 120 connected with each gas storage bottle 110 is provided with a first stop valve 130, each gas storage bottle 110 can be independently connected with the gas transmission main pipe 210, and when hydrogen leakage caused by gas transmission pipe rupture occurs, the leakage amount of the hydrogen can be effectively reduced, so that the use safety of the hydrogen is improved; meanwhile, the pressure regulating assembly is arranged in the gas transmission main pipe 210 and can regulate the pressure of the hydrogen output by the gas transmission main pipe 210, and on one hand, the pressure regulating assembly can regulate the output hydrogen to be output at a stable pressure; on the other hand, the pressure regulating assembly can also change the pressure of the output hydrogen, and is favorable for adapting to different requirements of various users.
Further, the gas storage cylinder 110 is a high-pressure gas cylinder with the gas pressure of more than or equal to 10MPa, and the high-pressure gas cylinder can reduce the storage space and increase the storage capacity of hydrogen on the ship.
In some embodiments, the pressure regulating assembly is a pressure increasing assembly 220 or a pressure reducing assembly 230.
When the system is used specifically, the pressure increasing component 220 or the pressure reducing component 230 can be selected and arranged according to the actual pressure requirement of a user, if the user side only needs high-pressure hydrogen, the pressure increasing component 220 can be arranged in the gas transmission main pipe 210, and the pressure increasing component can be a booster pump and is used for increasing the pressure of the hydrogen output by the gas transmission main pipe 210; if only low pressure hydrogen is required at the user end, a pressure reducing assembly 230, which may be a pressure reducing pump, may be provided separately in the gas delivery manifold 210 to reduce the pressure of the output hydrogen.
Further, when the hydrogen pressure required by the user side is not fixed, two pressure regulating assemblies are provided, the two pressure regulating assemblies are respectively a pressurization assembly 220 and a pressure reducing assembly 230, the input ends of the pressurization assembly 220 and the pressure reducing assembly 230 are connected to the gas transmission main pipe 210 together, the output ends of the pressurization assembly 220 and the pressure reducing assembly 230 are also connected to the gas transmission main pipe 210 together, and the pressurization assembly 220 and the pressure reducing assembly 230 can work independently.
Specifically, the gas transmission manifold 210 includes a first pipe segment and a second pipe segment, the pressure regulating assembly is disposed between the first pipe segment and the second pipe segment, when the number of the pressure regulating assemblies is two, and the two pressure regulating assemblies are respectively the pressure increasing assembly 220 and the pressure reducing assembly 230, the input ends of the pressure increasing assembly 220 and the pressure reducing assembly 230 are commonly connected to the first pipe segment, and the input ends of the pressure increasing assembly 220 and the pressure reducing assembly 230 are commonly connected to the second pipe segment.
In some embodiments, the pressure regulating assembly includes a pressure regulating valve and a connecting pipeline, the pressure regulating valve is connected to the gas transmission manifold 210 through the connecting pipeline, the pressure regulating valve is a pressure increasing valve 222 or a pressure reducing valve 231, that is, when the pressure regulating assembly is the pressure increasing assembly 220, the pressure regulating valve is the pressure increasing valve 222; when the pressure regulating assembly is the pressure reducing assembly 230, the pressure regulating valve is the pressure reducing valve 231, the inlet end of the pressure regulating valve is connected with the first pipe section, and the outlet end of the pressure regulating valve is connected with the second pipe section.
Further, the pressure regulating assembly further comprises a second stop valve, the second stop valve is arranged on the connecting pipeline, the second stop valve is located at the inlet side of the pressure regulating valve, the second stop valve is used for opening or closing the pressure regulating valve, when the pressure increasing valve 222 and the pressure reducing valve 231 are simultaneously arranged on the gas transmission main pipe 210, the inlet sides of the pressure increasing valve 222 and the pressure reducing valve 231 are respectively provided with the second stop valve for respectively controlling the opening of the pressure increasing valve 222 and the pressure reducing valve 231, and the pressure requirement of a user can be conveniently met.
The pressure regulating assembly further includes a check valve 223, the check valve 223 being disposed on the connection pipeline, the check valve 223 being located at an outlet side of the pressure regulating valve, the check valve 223 being used to prevent the hydrogen gas at the output end of the gas transmission manifold 210 from flowing back into the gas cylinder 110. When the gas delivery manifold 210 is provided with the pressure increasing valve 222 and the pressure reducing valve 231 at the same time, the outlet sides of the pressure increasing valve 222 and the pressure reducing valve 231 are respectively provided with a check valve 223; a check valve 223 may also be provided in the second section of the gas manifold 210.
It should be noted that hydrogen gas is circulated from the hydrogen cylinder to the user side, and therefore the inlet side of the pressure regulating valve is the side close to the gas cylinder 110, and the outlet side of the pressure regulating valve is the side close to the user side.
In some embodiments, in order to facilitate the staff to monitor the pressure of the hydrogen gas in the gas storage cylinder 110 in real time, a first pressure gauge 140 is further disposed on the gas transmission branch pipe 120 corresponding to each gas storage cylinder 110, the first pressure gauge 140 may be set as a pressure gauge with an alarm, when the pressure in the gas storage cylinder 110 is small, the alarm gives an alarm, the staff closes the gas storage cylinder 110 corresponding to the pressure gauge, and the safety accident caused by the reverse suction entering the outside air is prevented.
The pressure regulating assembly further comprises a third pressure gauge 224 and a fourth pressure gauge 225, the third pressure gauge 224 being arranged on the inlet side of the pressure regulating valve and the fourth pressure gauge 225 being arranged on the outlet side of the pressure regulating valve.
Wherein, the value of the third pressure gauge 224 is represented by P3, i.e. the value can represent the pressure at the inlet side of the pressure increasing valve 222 or the pressure reducing valve 231, the value of the fourth pressure gauge 225 is represented by P4, i.e. the value can represent the pressure at the outlet side of the pressure increasing valve 222 or the pressure reducing valve 231, and whether the pressure increasing valve 222 and the pressure reducing valve 231 operate normally and stably can be detected through the difference value between P3 and P4.
In some embodiments, the gas transmission unit 200 further includes a hydrogen concentration detector 271 and an electric valve 270, the electric valve 270 is disposed on the gas transmission main 210 and located at a side of the pressure regulating assembly close to the gas storage unit 100, and the hydrogen concentration detector 271 is electrically connected to the electric valve 270. When the hydrogen concentration detector 271 detects that the concentration of hydrogen in the atmosphere exceeds a certain limit value, the electric valve 270 is automatically closed, so that potential safety hazards caused by large-amount leakage of hydrogen are prevented.
The gas transmission unit 200 further comprises a second pressure gauge 280, the second pressure gauge 280 is disposed near the output end of the gas transmission main pipe 210, that is, the second pressure gauge 280 is disposed near the user end.
Further, the offshore hydrogen storage system further comprises a control unit, the control unit is electrically connected to the electric valve 270, and the control unit can simultaneously receive the test values of the first pressure gauge 140, the second pressure gauge 280, the third pressure gauge 224 and the fourth pressure gauge 225, wherein the values of the first pressure gauge 140, the second pressure gauge 280, the third pressure gauge 224 and the fourth pressure gauge 225 are respectively represented by P1, P2, P3 and P4, and in the case that there is no overpressure discharge in the safety valve 240, the values of the first pressure gauge 140 and the third pressure gauge 224 should be equal, so the control unit can detect whether there is a leak in the pipe section between the first pressure gauge 140 and the third pressure gauge 224 by comparing the values of P1 and P3; the values of the second pressure gauge 280 and the fourth pressure gauge 225 should be equal, so the control unit can detect whether there is a leakage in the pipe section between the first pressure gauge 140 and the third pressure gauge 224 by comparing the values of P2 and P4; if leakage exists, the control unit controls the electric valve 270 to be closed so as to prevent potential safety hazards caused by large-amount leakage of hydrogen; secondly, the hydrogen concentration detector 271 can be connected with the control unit, and when the hydrogen concentration detector 271 detects that hydrogen leaks, the electric valve 270 is controlled to be closed.
In one embodiment, the gas transmission unit 200 further includes a safety valve 240, the safety valve 240 is disposed on the gas transmission main pipe 210 and is located on a side of the pressure regulating assembly close to the gas storage unit 100, and a flame arrester 241 is connected to a discharge port side of the safety valve 240.
The safety valve 240 is an overpressure discharge safety valve 240, and when the ambient temperature rises (for example, during fire) and hydrogen gas in the gas cylinder 110 also has an excessive temperature and an excessive pressure, the overpressure discharge safety valve 240 is automatically opened to perform overpressure discharge, so as to protect the operation safety of the gas cylinder 110, and a flame arrester 241 is arranged at a discharge port of the overpressure discharge safety valve 240, so that the flame arrester 241 can prevent external flame from spreading into a pipeline, thereby causing an explosion accident.
Further, gas transmission unit 200 still includes the degradable temperature base 111 that is used for placing gas bomb 110, and the one end that is close to gas storage unit 100 on gas transmission house steward 210 is provided with temperature measurement table 260, temperature measurement table 260 and degradable temperature base 111 electric connection, and degradable temperature base 111 includes supporting seat and refrigerant circulation coil pipe, sets up on the supporting seat have with gas bomb 110 complex standing groove, and refrigerant circulation coil pipe is laid along the tank bottom of standing groove. When the temperature meter 260 detects that the tube temperature is high, the temperature-lowering base 111 is used for lowering the temperature of the gas bomb 110, and the safety valve 240 is opened to discharge hydrogen, so that the pressure in the gas bomb 110 can be lowered rapidly from two aspects.
In one embodiment, in order to ensure the quality of hydrogen at the user end, the gas transmission unit 200 further includes a filter 290, and the filter 290 is disposed at the end of the gas transmission manifold 210 far from the gas storage unit 100.
The outlet end of the gas transmission main pipe 210 is also provided with a third stop valve 250 for connecting or disconnecting the gas transmission unit 200 and the user end, a metal coil pipe is selected for the pipeline at the outlet end of the gas transmission main pipe 210, the functional requirements of connection and gas supply of equipment are met, the device is suitable for the swaying and swaying environment of a marine ship, the stress effect caused by the swaying displacement deviation of the two mutually connected equipment is overcome, the corrosion resistance of the outlet end (the end connected with the user) of the gas transmission main pipe 210 under the marine environment can be improved, and the risk of pipeline leakage is reduced.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (13)
1. An offshore hydrogen storage system, comprising:
the gas storage unit comprises a plurality of gas transmission branch pipes and a plurality of gas storage bottles, each gas storage bottle is respectively connected with the corresponding gas transmission branch pipe, and the gas transmission branch pipe corresponding to each gas storage bottle is provided with a first stop valve;
the gas transmission unit comprises a gas transmission main pipe and a pressure regulating assembly, wherein the pressure regulating assembly is positioned on the gas transmission main pipe, the pressure regulating assembly is used for regulating the pressure of hydrogen output by the gas transmission main pipe, and the gas transmission branch pipes are connected to the input end of the gas transmission main pipe respectively.
2. An offshore hydrogen storage system according to claim 1, wherein the pressure regulating assembly is a pressure increasing assembly or a pressure reducing assembly.
3. The offshore hydrogen storage system of claim 2, wherein the number of the pressure regulating assemblies is two, the two pressure regulating assemblies are respectively a pressure increasing assembly and a pressure reducing assembly, the input ends of the pressure increasing assembly and the pressure reducing assembly are commonly connected to the gas transmission main pipe, the output ends of the pressure increasing assembly and the pressure reducing assembly are also commonly connected to the gas transmission main pipe, and the pressure increasing assembly and the pressure reducing assembly can work independently.
4. An offshore hydrogen storage system according to claim 2, wherein the pressure regulating assembly comprises a pressure regulating valve and a connecting line, the pressure regulating valve being connected to the gas delivery manifold via the connecting line, the pressure regulating valve being a pressure increasing valve or a pressure reducing valve.
5. An offshore hydrogen storage system according to claim 4, wherein the pressure regulating assembly further comprises a second shut-off valve arranged on the connection line, the second shut-off valve being located at the inlet side of the pressure regulating valve, the second shut-off valve being adapted to open or close the pressure regulating valve.
6. An offshore hydrogen storage system according to claim 4, wherein the pressure regulating assembly further comprises a check valve arranged on the connecting line, the check valve being located at the outlet side of the pressure regulating valve, the check valve being adapted to prevent hydrogen at the outlet of the gas main from flowing back into the gas cylinder.
7. An offshore hydrogen storage system according to claim 4, wherein the pressure regulating assembly further comprises a third pressure gauge arranged on the inlet side of the pressure regulating valve and a fourth pressure gauge arranged on the outlet side of the pressure regulating valve.
8. The offshore hydrogen storage system of claim 1 wherein a first pressure gauge is further provided on the gas transmission branch pipe corresponding to each gas cylinder.
9. The offshore hydrogen storage system of claim 1 wherein the gas transfer unit further comprises:
the safety valve is arranged on the gas transmission main pipe and is positioned on one side, close to the gas storage unit, of the pressure regulating assembly, and one side of a discharge port of the safety valve is connected with a flame arrester.
10. The offshore hydrogen storage system of claim 1, wherein the gas transmission unit further comprises a hydrogen concentration detector and an electric valve, the electric valve is disposed on the gas transmission main pipe and located on a side of the pressure regulating assembly close to the gas storage unit, and the hydrogen concentration detector is electrically connected to the electric valve.
11. The offshore hydrogen storage system of claim 1, wherein the gas transfer unit further comprises a second pressure gauge, the second pressure gauge being disposed proximate the output end of the gas transfer manifold.
12. An offshore hydrogen storage system according to claim 1, wherein the gas transfer unit further comprises a filter, the filter being arranged adjacent to the output end of the gas transfer manifold.
13. An offshore hydrogen storage system according to claim 1, wherein the gas cylinder is a high pressure cylinder with a gas pressure of 10MPa or more.
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| CN202121531411.5U CN215335774U (en) | 2021-07-06 | 2021-07-06 | Offshore hydrogen storage system |
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| CN202121531411.5U CN215335774U (en) | 2021-07-06 | 2021-07-06 | Offshore hydrogen storage system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116345703A (en) * | 2023-03-08 | 2023-06-27 | 三峡新能源盐城大丰有限公司 | Comprehensive energy system for producing hydrogen based on offshore wind power |
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2021
- 2021-07-06 CN CN202121531411.5U patent/CN215335774U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116345703A (en) * | 2023-03-08 | 2023-06-27 | 三峡新能源盐城大丰有限公司 | Comprehensive energy system for producing hydrogen based on offshore wind power |
| CN116345703B (en) * | 2023-03-08 | 2023-09-22 | 三峡新能源盐城大丰有限公司 | Comprehensive energy system for producing hydrogen based on offshore wind power |
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