CN219775478U - Hydrogen supply system and passive nuclear power system - Google Patents
Hydrogen supply system and passive nuclear power system Download PDFInfo
- Publication number
- CN219775478U CN219775478U CN202320363347.7U CN202320363347U CN219775478U CN 219775478 U CN219775478 U CN 219775478U CN 202320363347 U CN202320363347 U CN 202320363347U CN 219775478 U CN219775478 U CN 219775478U
- Authority
- CN
- China
- Prior art keywords
- hydrogen
- pressure
- hydrogen storage
- liquid hydrogen
- liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000001257 hydrogen Substances 0.000 title claims abstract description 375
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 375
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 374
- 239000007788 liquid Substances 0.000 claims abstract description 144
- 230000008016 vaporization Effects 0.000 claims abstract description 74
- 230000000875 corresponding effect Effects 0.000 claims description 57
- 238000009834 vaporization Methods 0.000 claims description 27
- 239000006200 vaporizer Substances 0.000 claims description 17
- 230000000087 stabilizing effect Effects 0.000 claims description 14
- 230000002596 correlated effect Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 14
- 239000000203 mixture Substances 0.000 description 9
- 150000002431 hydrogen Chemical class 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000011033 desalting Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model provides a hydrogen supply system and an passive nuclear power system. The vaporizing device in the hydrogen supply system is connected with the outlet of the liquid hydrogen storage device through the liquid hydrogen delivery pump, and the vaporizing device vaporizes the liquid hydrogen into hydrogen. The access port of the hydrogen storage container is connected with the corresponding vaporizing device through the corresponding pressure reducing valve, the outlet pressure of the pressure reducing valve corresponding to each vaporizing device is not completely equal, and the hydrogen storage container can store hydrogen with a preset pressure value. The hydrogen supply interface is connected with the output port of the corresponding hydrogen storage container, so that hydrogen with preset pressure value is provided for a user, hydrogen with different pressure levels is provided for the passive nuclear power unit, the system can simultaneously vaporize and pressurize liquid hydrogen to different degrees respectively, hydrogen with different preset pressure values is stored and supplied simultaneously, multiple pressurization of hydrogen is avoided, the hydrogen supply process is simplified, and the construction and operation cost is reduced on the basis of reducing the occupied area.
Description
Technical Field
The embodiment of the utility model relates to a hydrogen supply technology, in particular to a hydrogen supply system and an passive nuclear power system.
Background
With the innovation of technology and the exhaustion of fossil energy, the development of nuclear power technology is rapid, and the market share of nuclear power is also in an rising state.
The passive pressurized water reactor nuclear motor unit adopts passive safety concept and has the advantages of simplified system, high safety and high power level. The passive nuclear power plant is provided with a low-pressure hydrogen system, a hydrogen boosting system and a high-pressure hydrogen system, and a low-pressure hydrogen station, a hydrogen boosting station and a high-pressure hydrogen station are respectively arranged in the design. The low-pressure hydrogen station stores low-pressure hydrogen and provides low-pressure hydrogen for a desalting water device and a deoxidizing device of the nuclear island, a generator hydrogen cooling device of the conventional island and a hydrogen booster station; the hydrogen booster station boosts the pressure of the low-pressure hydrogen and supplies the low-pressure hydrogen to the high-pressure hydrogen station; the high-pressure hydrogen station stores the boosted high-pressure hydrogen and supplies the high-pressure hydrogen to a loop of the passive dynamic pressure nuclear power unit.
The hydrogen supply system in the existing passive nuclear power station needs to establish at least three hydrogen stations including a low-pressure hydrogen station, a hydrogen booster station and a high-pressure hydrogen station, and has large occupied area and high cost.
Disclosure of Invention
The utility model provides a hydrogen supply system and a passive nuclear power system, which are used for reducing the hydrogen supply cost on the basis of reducing the occupied area.
In a first aspect, an embodiment of the present utility model provides a hydrogen supply system, where the hydrogen supply system is applied to a passive nuclear power system, and the hydrogen supply system includes: the device comprises a liquid hydrogen storage device, a liquid hydrogen delivery pump, at least two vaporization devices, pressure reducing valves in one-to-one correspondence with the vaporization devices, hydrogen storage containers in one-to-one correspondence with the vaporization devices and hydrogen supply interfaces;
the liquid hydrogen storage device is used for storing liquid hydrogen; the vaporizing device is connected with the outlet of the liquid hydrogen storage device through the liquid hydrogen delivery pump and is used for vaporizing the liquid hydrogen into hydrogen; the access port of the hydrogen storage container is connected with the corresponding vaporizing device through the corresponding pressure reducing valve, and the hydrogen storage container is used for storing the hydrogen with a preset pressure value; the hydrogen supply interface is connected with the output port of the corresponding hydrogen storage container and is used for providing hydrogen with the preset pressure value for a user, wherein the outlet pressure of the pressure reducing valve corresponding to each vaporizing device is not completely equal, and the preset pressure value of the hydrogen in the hydrogen storage container is positively correlated with the outlet pressure of the pressure reducing valve corresponding to the hydrogen storage container.
Optionally, the number of the vaporizing devices is 2, and the outlet pressure of the pressure reducing valve corresponding to one vaporizing device is greater than the outlet pressure of the pressure reducing valve corresponding to the other vaporizing device.
Optionally, the liquid hydrogen storage device comprises a filling interface, a check valve and a liquid hydrogen storage container, wherein the filling interface is connected with an inlet of the liquid hydrogen storage container through the check valve, and the filling interface is used for being externally connected with a liquid hydrogen transport vehicle so as to access liquid hydrogen into the liquid hydrogen storage container.
Optionally, the liquid hydrogen storage container is provided with two inlets, and the two inlets are respectively arranged at different liquid level heights of the liquid hydrogen storage container;
the liquid hydrogen storage device further comprises a boosting coil, two pressure stabilizing valves and a pressure stabilizing vaporizer, wherein two ends of the pressure stabilizing vaporizer are respectively connected with different inlets through different pressure stabilizing valves, the pressure stabilizing vaporizer is used for vaporizing flowing liquid hydrogen into hydrogen so as to adjust the pressure in the liquid hydrogen storage container, and a connecting pipeline between the pressure stabilizing valves and the inlets is the boosting coil.
Optionally, the liquid hydrogen storage device further comprises a safety release component, the liquid hydrogen storage container is provided with a pressure release port, the pressure release port is arranged at the top of the liquid hydrogen storage container, the safety release component is connected with the pressure release port and is used for releasing gas at the top of the liquid hydrogen storage container so as to regulate the pressure in the liquid hydrogen storage container.
Optionally, the safety release assembly includes a multi-way ball valve and a safety valve corresponding to the output ends of the multi-way ball valve one by one, the input end of the multi-way ball valve is connected with the corresponding pressure release port, and the safety valve is connected with the corresponding output end of the multi-way ball valve.
Optionally, quick-release flanges are respectively arranged between the inlet, the pressure release port and the outlet of the liquid hydrogen storage container and the connected connecting pipeline.
In a second aspect, an embodiment of the present utility model further provides an inactive nuclear power system, where the inactive nuclear power system includes the hydrogen supply system according to any of the first aspects.
The hydrogen supply system and the passive nuclear power system provided by the utility model are provided with a liquid hydrogen storage device, a liquid hydrogen delivery pump, at least two vaporization devices, pressure reducing valves, a hydrogen storage container and a hydrogen supply interface, wherein the pressure reducing valves, the hydrogen storage container and the hydrogen supply interface are in one-to-one correspondence with the vaporization devices, and the liquid hydrogen storage device stores liquid hydrogen. The vaporizing device is connected with the outlet of the liquid hydrogen storage device through the liquid hydrogen delivery pump, and the vaporizing device vaporizes the liquid hydrogen into hydrogen. The inlet of the hydrogen storage container is connected with the corresponding vaporizing device through the corresponding pressure reducing valve, the outlet pressure of the pressure reducing valve corresponding to each vaporizing device is not completely equal, and the hydrogen storage container can store the hydrogen with a preset pressure value. The hydrogen supply interface is connected with the output port of the corresponding hydrogen storage container, provides hydrogen with preset pressure value for a user, and provides hydrogen with different pressure levels for the passive nuclear power unit.
Drawings
FIG. 1 is a schematic diagram of a conventional hydrogen supply system in the prior art;
FIG. 2 is a schematic diagram showing the composition of another conventional hydrogen supply system according to the prior art;
FIG. 3 is a schematic diagram of a hydrogen supply system according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram showing the composition of another hydrogen supply system according to an embodiment of the present utility model;
FIG. 5 is a schematic diagram showing the composition of a hydrogen supply system according to another embodiment of the present utility model;
FIG. 6 is a schematic diagram showing the composition of a hydrogen supply system according to another embodiment of the present utility model;
FIG. 7 is a schematic diagram showing the composition of a hydrogen supply system according to another embodiment of the present utility model;
fig. 8 is a schematic diagram of a hydrogen supply system according to another embodiment of the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.
As background art, a hydrogen supply system in an existing passive nuclear power system includes at least three hydrogen stations, a low-pressure hydrogen station, a hydrogen booster station, and a high-pressure hydrogen station. The low-pressure hydrogen station stores or produces low-pressure hydrogen and provides low-pressure hydrogen for a desalting water device and a deoxidizing device of a nuclear island, a generator hydrogen cooling device of a conventional island and a hydrogen booster station. The hydrogen booster station boosts the pressure of the low-pressure hydrogen and supplies the low-pressure hydrogen to the high-pressure hydrogen station. The high-pressure hydrogen station stores the boosted high-pressure hydrogen and supplies the high-pressure hydrogen to a loop of the passive dynamic pressure nuclear power unit. Illustratively, the conventional hydrogen supply system shown in fig. 1 and 2 includes three hydrogen stations, a low-pressure hydrogen station, a hydrogen booster station, and a high-pressure hydrogen station. With reference to fig. 1 and 2, the low-pressure hydrogen station is provided with a parking space of a hydrogen trailer or a hydrogen production system, and a hydrogen storage tank of the hydrogen trailer or the hydrogen production system provides low-pressure hydrogen for low-pressure hydrogen devices such as a demineralized water device, a deoxidizing device, a generator hydrogen cooling device of a conventional island and the like of the nuclear island, and also provides low-pressure hydrogen for the hydrogen booster station. The hydrogen booster station is provided with a hydrogen compressor and a high-pressure hydrogen cylinder, and the hydrogen compressor boosts the accessed low-pressure hydrogen and fills the low-pressure hydrogen into the high-pressure hydrogen cylinder. The full filled high-pressure hydrogen cylinder is transported to a high-pressure hydrogen station to provide high-pressure hydrogen for a loop of the passive dynamic pressure nuclear power unit. Thus, the traditional hydrogen supply system has large occupied area and high construction and operation cost.
In order to solve the foregoing problems, the present utility model provides a hydrogen supply system, which is applied to a passive nuclear power unit. Fig. 3 is a schematic diagram of a hydrogen supply system according to an embodiment of the present utility model, and referring to fig. 3, the hydrogen supply system 100 includes a liquid hydrogen storage device 101, a liquid hydrogen delivery pump 102, at least two vaporization devices 103, a pressure reducing valve K corresponding to the vaporization devices 103 one by one, a hydrogen storage container 104, and a hydrogen supply interface M. The liquid hydrogen storage device 101 is for storing liquid hydrogen; the vaporization device 103 is connected with an outlet of the liquid hydrogen storage device 101 through the liquid hydrogen delivery pump 102, and the vaporization device 103 is used for vaporizing liquid hydrogen into hydrogen; the access port of the hydrogen storage container 104 is connected with the corresponding vaporizing device 103 through the corresponding pressure reducing valve K, and the hydrogen storage container 104 is used for storing hydrogen with a preset pressure value; the hydrogen supply interface M is connected to the output port of the corresponding hydrogen storage container 104, and is configured to provide hydrogen with a preset pressure value for the user, where the outlet pressures of the pressure reducing valves K corresponding to the vaporization devices 103 are not all equal, and the preset pressure value of the hydrogen in the hydrogen storage container 104 is positively correlated with the outlet pressure of the pressure reducing valve K corresponding to the hydrogen storage container 104.
Specifically, the liquid hydrogen storage device 101 refers to a closed container capable of storing liquid hydrogen and a piping assembly thereof. The liquid hydrogen transfer pump 102 is connected to an outlet provided near the bottom of the liquid hydrogen storage device 101, and can transfer the liquid hydrogen stored in the liquid hydrogen storage device 101 to each vaporizing device 103. The vaporizing device 103 is a device for accelerating vaporization of liquid hydrogen by temperature-controlled heating and pressurizing the hydrogen. Illustratively, the vaporizing device 103 may include a heating assembly and a heating vessel, and the vaporizing device 103 may employ the heating assembly to heat the liquid hydrogen delivered into the heating vessel, accelerating vaporization of the liquid hydrogen while increasing the pressure within the heating vessel.
The pressure reducing valve K is provided between the corresponding vaporizing device 103 and the corresponding hydrogen storage container 104. The pressure reducing valves K are in one-to-one correspondence with the vaporizing devices 103. The inlet of the pressure reducing valve K is connected with the corresponding vaporizing device 103, the outlet of the pressure reducing valve K is connected with the corresponding hydrogen storage container 104, the pressure of the outlet of the pressure reducing valve K can be controlled to be a stable value, and hydrogen generated by the corresponding vaporizing device 103 can be conveyed to the corresponding hydrogen storage container 104 for storage in a stable manner. The outlet pressure values of the pressure reducing valves K corresponding to the respective vaporizing devices 103 are not the same, and hydrogen with different pressure values can be provided for users. The hydrogen storage containers 104 are also in one-to-one correspondence with the vaporizing devices 103, and can store hydrogen at a preset pressure value and keep the pressure in the containers constant. The preset pressure value of the hydrogen in the hydrogen storage container 104 is directly related to the outlet pressure of the pressure reducing valve K corresponding to the hydrogen storage container 104, and for example, the preset pressure value of the hydrogen in the hydrogen storage container 104 may be equal to the outlet pressure of the pressure reducing valve K corresponding to the hydrogen storage container 104. The hydrogen supply interfaces M are output interfaces for providing hydrogen for users, and may be in one-to-one correspondence with the vaporizing devices 103, or a plurality of hydrogen supply interfaces M may be corresponding to the same vaporizing device 103. The hydrogen supply interface M is connected to the corresponding hydrogen storage container 104 through the on-off valve S, and may also be connected to a hydrogen utilization device in an external passive nuclear power system. The hydrogen supply interfaces M corresponding to the different vaporization devices 103 can respectively supply hydrogen to the different hydrogen utilization devices so as to provide hydrogen with different pressures.
The hydrogen supply system provided in this embodiment is provided with a liquid hydrogen storage device, a liquid hydrogen transfer pump, at least two vaporization devices, a pressure reducing valve corresponding to the vaporization devices one by one, a hydrogen storage container, and a hydrogen supply interface, and the liquid hydrogen storage device stores liquid hydrogen. The vaporizing device is connected with the outlet of the liquid hydrogen storage device through the liquid hydrogen delivery pump, and the vaporizing device vaporizes the liquid hydrogen into hydrogen. The access port of the hydrogen storage container is connected with the corresponding vaporizing device through the corresponding pressure reducing valve, the outlet pressure of the pressure reducing valve corresponding to each vaporizing device is not completely equal, and the hydrogen storage container can store hydrogen with a preset pressure value. The hydrogen supply interface is connected with the output port of the corresponding hydrogen storage container, so that hydrogen with preset pressure value is provided for a user, hydrogen with different pressure levels is provided for the passive nuclear power unit, the system can simultaneously vaporize and pressurize liquid hydrogen to different degrees respectively, hydrogen with different preset pressure values is stored and supplied simultaneously, multiple pressurization of hydrogen is avoided, the hydrogen supply process is simplified, and the construction and operation cost is reduced on the basis of reducing the occupied area.
Optionally, fig. 4 is a schematic diagram of another hydrogen supply system according to an embodiment of the present utility model, referring to fig. 4, the number of vaporization devices 103 is 2, and the outlet pressure of the pressure reducing valve K corresponding to one vaporization device 103 is greater than the outlet pressure of the pressure reducing valve K corresponding to another vaporization device 103 based on the previous embodiment.
Specifically, the two vaporization devices 103 may be a high-pressure vaporizer and a low-pressure vaporizer, which are respectively connected to the liquid hydrogen delivery pump 102, and vaporize the liquid hydrogen at different rates, so as to adjust the pressure of the hydrogen, where the pressure of the hydrogen in the high-pressure vaporizer is greater than the pressure of the hydrogen in the low-pressure vaporizer. The two pressure reducing valves K are a high pressure reducing valve and a low pressure reducing valve, respectively, corresponding to the vaporizing device 103, the input port of the high pressure reducing valve is connected with the high pressure vaporizer, the input port of the low pressure reducing valve is connected with the low pressure vaporizer, and the outlet pressure of the high pressure reducing valve is greater than the outlet pressure of the low pressure reducing valve, so that the hydrogen pressures delivered into the corresponding hydrogen storage containers by the two vaporizing devices 103 are different.
Corresponding to the vaporizing device 103, two hydrogen storage containers 104 are provided as a high-pressure hydrogen storage tank and a low-pressure hydrogen storage tank, respectively, and the high-pressure hydrogen storage tank is connected to an output port of the high-pressure reducing valve. The low-pressure hydrogen storage tank is connected with an output port of the low-pressure reducing valve. The high-pressure hydrogen storage tank is used for storing high-pressure hydrogen, and the low-pressure hydrogen storage tank is used for storing low-pressure hydrogen, so that two hydrogen with different pressure levels can be simultaneously provided for the nuclear power unit.
Optionally, fig. 5 is a schematic diagram of a composition of a further hydrogen supply system according to an embodiment of the present utility model, and referring to fig. 5, on the basis of any of the foregoing embodiments, the liquid hydrogen storage device includes a filling port N, a check valve S1, and a liquid hydrogen storage container 501, where the filling port N is connected to an inlet of the liquid hydrogen storage container 501 through the check valve S1, and the filling port N is used to connect to a liquid hydrogen carrier vehicle to access liquid hydrogen to the liquid hydrogen storage container 501.
Specifically, the filling port N is an input port pointing to filling liquid hydrogen into the liquid hydrogen storage container 501, and can be connected with a liquid hydrogen tank truck to realize liquid replenishing of the liquid hydrogen storage container 501. The check valve S1 is disposed between the inlet of the liquid hydrogen container 501 and the filling port N, so as to prevent the liquid from flowing backward due to the pressure difference between the liquid hydrogen tank truck and the liquid hydrogen storage container 501, and improve the filling efficiency of the liquid hydrogen. The liquid hydrogen storage vessel 501 is a cryogenic storage vessel that can store liquid hydrogen and control the pressure within the vessel to remain in a constant range. The arrangement of the filling interface N can enable liquid hydrogen to be repeatedly filled, the check valve can prevent liquid from flowing backwards, and filling efficiency is improved.
Alternatively, fig. 6 is a schematic diagram of the composition of a further hydrogen gas supply system according to an embodiment of the present utility model, and referring to fig. 6, on the basis of any of the foregoing embodiments, the liquid hydrogen storage container 501 is provided with two inlets a, which are respectively provided at different liquid levels of the liquid hydrogen storage container 501. The liquid hydrogen storage device further comprises a pressure-increasing coil (not shown), two pressure-regulating valves S2 and a pressure-stabilizing vaporizer 601, wherein two ends of the pressure-stabilizing vaporizer 601 are respectively connected with different inlets a through different pressure-regulating valves S2, the pressure-stabilizing vaporizer 601 is used for vaporizing the flowing liquid hydrogen into hydrogen so as to increase the pressure in the liquid hydrogen storage container 501, and a connecting pipeline between the pressure-regulating valves S2 and the inlets a is the pressure-increasing coil.
Specifically, one of the two inlets a may be provided at a position near the bottom on the side of the liquid hydrogen storage container 501, and the other may be provided at a position near the top on the side of the liquid hydrogen storage container 501. The pressure boosting coil is a connecting pipeline arranged between the pressure regulating valve S2 and the inlet a, and the pressure boosting coil connected with the inlet a at the bottom of the liquid hydrogen storage container 501 can transmit a small amount of liquid hydrogen at the bottom of the liquid hydrogen storage container 501 to the inside of the pressure stabilizing vaporizer 601. The pressure stabilizing vaporizer 601 can heat and vaporize a small amount of liquid hydrogen, and the generated hydrogen naturally circulates along the pressure boosting coil to flow into the liquid hydrogen storage container 501 through the inlet a at the top of the liquid hydrogen storage container 501, so that the pressure in the liquid hydrogen storage container 501 is regulated.
Optionally, fig. 7 is a schematic diagram of a composition of a further hydrogen supply system according to an embodiment of the present utility model, referring to fig. 7, the liquid hydrogen storage device further includes a safety release assembly 701, the liquid hydrogen storage container is provided with a pressure release port b, the pressure release port b is disposed on top of the liquid hydrogen storage container 501, the safety release assembly 701 is connected to the pressure release port b, and the safety release assembly 701 is used for releasing gas on top of the liquid hydrogen storage container 501 to reduce the pressure in the liquid hydrogen storage container 501.
In particular, the safety release assembly 701 may include a plurality of controllable valves to effect release of hydrogen gas to prevent over-calibration of the internal pressure of the liquid hydrogen storage vessel 501. The safety release assembly 701 may include a multi-way ball valve S3 in one-to-one correspondence with the pressure release ports b and a safety valve S4 in one-to-one correspondence with the output ends of the multi-way ball valve S3, the input end of the multi-way ball valve S3 being connected with the corresponding pressure release port b, the safety valve S4 being connected with the output end of the corresponding multi-way ball valve S3. Illustratively, the multi-way ball valve S3 may be a three-way ball valve provided with one input end and two output ends, and the relief valve S4 may be an angle-type relief valve. The safety release assembly 701 can realize the release of hydrogen gas under the condition that the internal pressure of the liquid hydrogen storage container 501 exceeds the safety range, quickly and adjustably reduce the pressure in the container, and improve the safety and reliability of the hydrogen gas supply system 100.
Optionally, fig. 8 is a schematic diagram of a composition of a further hydrogen supply system according to an embodiment of the present utility model, and referring to fig. 8, on the basis of any of the foregoing embodiments, quick-dismantling flanges F are respectively disposed between the inlet, the pressure release port b, and the outlet c of the liquid hydrogen storage container and the connected connection pipe. The quick-release flange F can realize quick connection and disconnection between the liquid hydrogen storage container 501 and the connected connecting pipeline, and is convenient for replacing the liquid hydrogen storage container 501. On the one hand, the hydrogenation speed can be increased through the operation of changing the tank under the condition that the liquid hydrogen in the raw liquid hydrogen storage container 501 is depleted, on the other hand, the raw liquid hydrogen can be quickly replaced when the raw liquid hydrogen storage container 501 is aged, so that the operation difficulty of overhauling and maintaining is reduced, and the maintenance cost of the hydrogen supply system 100 is reduced.
The embodiment of the utility model provides an passive nuclear power system, which comprises any hydrogen supply system.
The hydrogen supply system and the passive nuclear power system provided by the utility model are provided with a liquid hydrogen storage device, a liquid hydrogen delivery pump, at least two vaporization devices, pressure reducing valves, a hydrogen storage container and a hydrogen supply interface, wherein the pressure reducing valves, the hydrogen storage container and the hydrogen supply interface are in one-to-one correspondence with the vaporization devices, and the liquid hydrogen storage device stores liquid hydrogen. The vaporizing device is connected with the outlet of the liquid hydrogen storage device through the liquid hydrogen delivery pump, and the vaporizing device vaporizes the liquid hydrogen into hydrogen. The access port of the hydrogen storage container is connected with the corresponding vaporizing device through the corresponding pressure reducing valve, the outlet pressure of the pressure reducing valve corresponding to each vaporizing device is not completely equal, and the hydrogen storage container can store hydrogen with a preset pressure value. The hydrogen supply interface is connected with the output port of the corresponding hydrogen storage container, so that hydrogen with preset pressure value is provided for a user, hydrogen with different pressure levels is provided for the passive nuclear power unit, the system can simultaneously vaporize and pressurize liquid hydrogen to different degrees respectively, hydrogen with different preset pressure values is stored and supplied simultaneously, multiple pressurization of hydrogen is avoided, the hydrogen supply process is simplified, and the construction and operation cost is reduced on the basis of reducing the occupied area.
Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, and that various obvious changes, rearrangements, combinations, and substitutions can be made by those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.
Claims (8)
1. A hydrogen supply system, wherein the hydrogen supply system is applied to a passive nuclear power system, the hydrogen supply system comprising: the device comprises a liquid hydrogen storage device, a liquid hydrogen delivery pump, at least two vaporization devices, pressure reducing valves in one-to-one correspondence with the vaporization devices, hydrogen storage containers in one-to-one correspondence with the vaporization devices and hydrogen supply interfaces;
the liquid hydrogen storage device is used for storing liquid hydrogen; the vaporizing device is connected with the outlet of the liquid hydrogen storage device through the liquid hydrogen delivery pump and is used for vaporizing the liquid hydrogen into hydrogen; the access port of the hydrogen storage container is connected with the corresponding vaporizing device through the corresponding pressure reducing valve, and the hydrogen storage container is used for storing the hydrogen with a preset pressure value; the hydrogen supply interface is connected with the output port of the corresponding hydrogen storage container and is used for providing hydrogen with the preset pressure value for a user, wherein the outlet pressure of the pressure reducing valve corresponding to each vaporizing device is not completely equal, and the preset pressure value of the hydrogen in the hydrogen storage container is positively correlated with the outlet pressure of the pressure reducing valve corresponding to the hydrogen storage container.
2. The hydrogen supply system according to claim 1, wherein the number of vaporization devices is 2, and the outlet pressure of the pressure reducing valve corresponding to one vaporization device is larger than the outlet pressure of the pressure reducing valve corresponding to the other vaporization device.
3. The hydrogen supply system of claim 1, wherein the liquid hydrogen storage device comprises a filling port, a check valve, and a liquid hydrogen storage container, the filling port being connected to an inlet of the liquid hydrogen storage container via the check valve, the filling port being for externally connecting a liquid hydrogen carrier vehicle to access liquid hydrogen to the liquid hydrogen storage container.
4. A hydrogen gas supply system according to claim 3, wherein the liquid hydrogen storage vessel is provided with two inlets, the two inlets being provided at different liquid levels of the liquid hydrogen storage vessel, respectively;
the liquid hydrogen storage device further comprises a boosting coil, two pressure stabilizing valves and a pressure stabilizing vaporizer, wherein two ends of the pressure stabilizing vaporizer are respectively connected with different inlets through different pressure stabilizing valves, the pressure stabilizing vaporizer is used for vaporizing flowing liquid hydrogen into hydrogen so as to adjust the pressure in the liquid hydrogen storage container, and a connecting pipeline between the pressure stabilizing valves and the inlets is the boosting coil.
5. A hydrogen gas supply system as claimed in claim 3 wherein the liquid hydrogen storage device further comprises a safety release assembly, the liquid hydrogen storage vessel being provided with a pressure release port provided at the top of the liquid hydrogen storage vessel, the safety release assembly being connected to the pressure release port for releasing gas at the top of the liquid hydrogen storage vessel to regulate the pressure within the liquid hydrogen storage vessel.
6. The hydrogen supply system of claim 5, wherein said safety relief assembly comprises a multi-way ball valve and a safety valve in one-to-one correspondence with an output end of said multi-way ball valve, an input end of said multi-way ball valve being connected with a corresponding said pressure relief port, said safety valve being connected with an output end of a corresponding said multi-way ball valve.
7. The hydrogen supply system according to claim 5, wherein quick-release flanges are provided between the inlet, the pressure release port, and the outlet of the liquid hydrogen storage container and the connected connection pipes, respectively.
8. A passive nuclear power system comprising the hydrogen supply system of any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320363347.7U CN219775478U (en) | 2023-02-27 | 2023-02-27 | Hydrogen supply system and passive nuclear power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320363347.7U CN219775478U (en) | 2023-02-27 | 2023-02-27 | Hydrogen supply system and passive nuclear power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219775478U true CN219775478U (en) | 2023-09-29 |
Family
ID=88105520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320363347.7U Active CN219775478U (en) | 2023-02-27 | 2023-02-27 | Hydrogen supply system and passive nuclear power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219775478U (en) |
-
2023
- 2023-02-27 CN CN202320363347.7U patent/CN219775478U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8978715B2 (en) | Method for filling a tank with pressurized gas | |
| JP4778912B2 (en) | Marine vessel gas supply device and method for controlling gas pressure in a marine vessel gas supply device | |
| CN108561749B (en) | Mixed filling system applied to liquid hydrogen hydrogenation station | |
| AU2014261287B2 (en) | Method and device for replenshing a supply of cryogenic liquid, notably of liquefied natural gas | |
| US5113905A (en) | Carbon dioxide fill manifold and method | |
| KR20130011152A (en) | Sea water heating apparatus and it used lng regasification system | |
| JPH03117799A (en) | High pressure gas feed equipment | |
| JP2012132558A (en) | Continuous flow thermodynamic pump | |
| CN105318195A (en) | Liquefied natural gas delivery system with saturated fuel reserve | |
| KR20210070293A (en) | Methods and equipment for storing and distributing liquid hydrogen | |
| JP5789257B2 (en) | Hydrogen distribution system and method | |
| CN111928109A (en) | Boil-off gas recovery system of hydrogenation station | |
| EP2446185A1 (en) | System and method for the delivery of lng | |
| CN208397688U (en) | Mixing loading system applied to liquid hydrogen hydrogenation stations | |
| KR102560637B1 (en) | A method for transporting a cryogenic fluid and a transport system for implementing the method | |
| CN219775478U (en) | Hydrogen supply system and passive nuclear power system | |
| CN108953988B (en) | Liquid hydrogen vaporization and self-pressurization device | |
| CN215674743U (en) | Mixed filling system applied to liquid hydrogen filling station | |
| CN116357895A (en) | Hydrogen supply system and passive nuclear power system | |
| CN208935815U (en) | A kind of vaporization voltage-stabilizing system of Propylene Spherical Tanks | |
| CN208253191U (en) | A kind of liquefied natural gas liquid-supplying system | |
| JPH0548399B2 (en) | ||
| CN113266762B (en) | LNG storage container HPB supercharging system | |
| CN217402303U (en) | Oxygen and nitrogen sharing vaporization system | |
| CN112384730B (en) | Fluid tank including an internal pressure booster |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |