CN210601028U - Liquid hydrogen hydrogenation station heat management system - Google Patents

Liquid hydrogen hydrogenation station heat management system Download PDF

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Publication number
CN210601028U
CN210601028U CN201921044863.3U CN201921044863U CN210601028U CN 210601028 U CN210601028 U CN 210601028U CN 201921044863 U CN201921044863 U CN 201921044863U CN 210601028 U CN210601028 U CN 210601028U
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liquid hydrogen
heat
heat exchanger
hydrogen
energy
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梁晨
陈雨时
原诚寅
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Beijing New Energy Vehicle Technology Innovation Center Co Ltd
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Beijing New Energy Vehicle Technology Innovation Center Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/45Hydrogen technologies in production processes

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Abstract

The utility model discloses a liquid hydrogen hydrogenation station heat management system, liquid hydrogen hydrogenation station include liquid hydrogen storage tank, and heat management system includes: the evaporation tank is connected with the liquid hydrogen storage tank and is used for storing gaseous hydrogen leaked from the liquid hydrogen storage tank; the integrated heat exchanger exchanges heat with the liquid hydrogen storage tank so as to convert liquid hydrogen in the liquid hydrogen storage tank into gaseous hydrogen; the clean energy heat energy supply device is connected with the integrated heat exchanger and supplies heat energy to the integrated heat exchanger; and the pressure regulator is respectively connected with the evaporating tank and the integrated heat exchanger and is used for pressurizing the gaseous hydrogen. The utility model discloses a clean energy heat energy provides the device and provides the heat energy that carries out the heat exchange for the integration heat exchanger, turns into gaseous state hydrogen with liquid hydrogen, and then realizes gaseous state hydrogen filling, has reduced traditional energy and has used, has improved renewable energy and clean energy's rate of utilization.

Description

Liquid hydrogen hydrogenation station heat management system
Technical Field
The utility model belongs to hydrogen energy new energy automobile field, more specifically relates to a liquid hydrogen adds hydrogen station thermal management system.
Background
With the increasing public awareness of environmental protection, new energy automobiles are widely popularized, particularly, hydrogen energy is considered to be one of secondary energy with the greatest application prospect, hydrogen energy fuel automobiles are favored by users, and a hydrogen filling station for supplying energy to the hydrogen energy fuel automobiles is also widely popularized and applied.
The liquid hydrogen hydrogenation station can realize more efficient hydrogen storage efficiency, but the liquid hydrogen needs some necessary devices or measures during the storage and use process to ensure the safe and efficient use of the liquid hydrogen.
When the liquid hydrogen is converted into gaseous hydrogen to be filled into a vehicle, a large amount of external heat needs to be absorbed, and if the liquid hydrogen hydrogenation system does not perform necessary thermal interaction treatment, the situations of icing, blockage and the like of a pipeline of the liquid hydrogen hydrogenation system can be caused. The liquid hydrogen is heated by adopting an external heating (such as electric heating) mode of the traditional energy, so that the requirement of huge heat when the liquid hydrogen is converted into a gaseous state is met, and extra energy consumption is caused. Therefore, it is desirable to provide a proposal for energy saving to the maximum extent and for efficient energy utilization.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a reduce energy resource consumption, realize the liquid hydrogen hydrogenation station heat management system of efficient energy utilization.
In order to achieve the above object, the utility model provides a liquid hydrogen hydrogenation station heat management system, liquid hydrogen hydrogenation station is including the liquid hydrogen storage tank that is used for saving liquid hydrogen, heat management system includes: an evaporation tank connected to the liquid hydrogen storage tank for storing gaseous hydrogen leaked from the liquid hydrogen storage tank; the integrated heat exchanger exchanges heat with the liquid hydrogen storage tank so as to convert liquid hydrogen in the liquid hydrogen storage tank into gaseous hydrogen; the clean energy heat energy providing device is connected with the integrated heat exchanger and provides heat energy for the integrated heat exchanger; and the pressure regulator is respectively connected with the evaporation tank and the integrated heat exchanger and is used for pressurizing the gaseous hydrogen flowing out of the evaporation tank and the integrated heat exchanger.
Preferably, the liquid hydrogen refueling station further comprises: the hydrogenation machine is connected with the integrated heat exchanger through the pressure regulator and is used for filling gaseous hydrogen.
Preferably, the integrated heat exchanger comprises a heat energy medium circulation pipeline and a liquid hydrogen pipeline, the heat energy medium circulation pipeline is connected with the clean energy heat energy providing device, receives the high-temperature heat medium provided by the clean energy heat energy providing device, returns the low-temperature heat medium to the clean energy heat energy providing device, and exchanges heat with the heat energy medium circulation pipeline, so that the liquid hydrogen is heated by the high-temperature heat medium to be gaseous hydrogen.
Preferably, the clean energy thermal energy supply device comprises at least one of a solar heating device, a geothermal heating device and a hydrogen heating device; the solar heating device heats the heat medium by using solar energy, the geothermal heating device heats the heat medium by using geothermal energy, and the hydrogen heating device heats the heat medium by burning hydrogen.
Preferably, the hydrogen heating device is respectively connected with a gaseous hydrogen outlet of the evaporation tank and an outlet of a liquid hydrogen pipeline of the integrated heat exchanger, so that the gaseous hydrogen of the evaporation tank and the integrated heat exchanger is utilized for combustion.
Preferably, the hydrogenation machine comprises a cooling medium pipeline which exchanges heat with a heat energy medium circulating pipeline of the integrated heat exchanger to cool the gaseous hydrogen filled in the hydrogenation machine.
Preferably, the liquid hydrogen hydrogenation station further comprises an operating room and an operating room heat exchanger, the operating room heat exchanger is arranged in the operating room, and the operating room heat exchanger exchanges heat with the integrated heat exchanger to increase the temperature of the operating room.
Preferably, the heat energy medium circulation pipeline, the liquid hydrogen pipeline and the heat exchange circulation pipeline of the operation room heat exchanger of the integrated heat exchanger are arranged in a mutual abutting mode, and the pipelines respectively run independently and are not communicated with each other.
Preferably, the thermal management system for the liquid hydrogen refueling station further comprises a safety valve, the safety valve is arranged at an outlet of the evaporation tank, and when the internal pressure of the evaporation tank is higher than a safety threshold value, the safety valve is opened so as to discharge gaseous hydrogen.
Preferably, the liquid hydrogen refueling station further comprises: and the liquid hydrogen filling machine is connected with the liquid hydrogen storage tank and is used for filling liquid hydrogen.
The beneficial effects of the utility model reside in that: the utility model discloses a clean energy heat energy provides device and provides heat energy for the integration heat exchanger to the integration heat exchanger carries out the heat exchange and turns into gaseous state hydrogen with liquid hydrogen, and then realizes gaseous state hydrogen filling, has reduced traditional energy and has used, has improved renewable energy and clean energy's rate of utilization, realizes that clean high-efficient liquid hydrogen turns into gaseous state hydrogen.
The system of the present invention has other features and advantages which will be apparent from or are set forth in detail in the accompanying drawings and the following detailed description, which are incorporated herein, and which together serve to explain certain principles of the invention.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings. Wherein like reference numerals generally refer to like parts throughout the exemplary embodiments of the present invention.
Fig. 1 shows a structural connection diagram of a thermal management system of a liquid hydrogen refueling station according to an embodiment of the present invention.
Fig. 2 shows a structural connection diagram of a thermal management system of a liquid hydrogen refueling station using multiple clean energy sources according to an embodiment of the present invention.
Description of the reference numerals
102. A liquid hydrogen storage tank; 104. an evaporator tank; 106. an integrated heat exchanger; 108. a clean energy heat energy supply device; 1082. a solar heating device; 1084. a geothermal energy heating device; 1086. a hydrogen gas heating device; 110. a pressure regulator; 112. operating room heat exchangers; 114. a safety valve; 202. a liquid hydrogen filling machine; 204. a hydrogenation machine.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present invention have been illustrated in the accompanying drawings, it is to be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The utility model provides a liquid hydrogen hydrogenation station heat management system, liquid hydrogen hydrogenation station include the liquid hydrogen storage tank that is used for saving liquid hydrogen, and heat management system includes: the evaporation tank is connected with the liquid hydrogen storage tank and is used for storing gaseous hydrogen leaked from the liquid hydrogen storage tank; the integrated heat exchanger exchanges heat with the liquid hydrogen storage tank so as to convert liquid hydrogen in the liquid hydrogen storage tank into gaseous hydrogen; the clean energy heat energy supply device is connected with the integrated heat exchanger and supplies heat energy to the integrated heat exchanger; and the pressure regulator is respectively connected with the evaporation tank and the integrated heat exchanger and is used for pressurizing the gaseous hydrogen flowing out of the evaporation tank and the integrated heat exchanger.
Specifically, liquid hydrogen is stored in the liquid hydrogen storage tank, the liquid hydrogen enters the integrated heat exchanger from the outlet of the liquid hydrogen storage tank, and the heat energy medium of the clean energy heat energy providing device enters the integrated heat exchanger to provide heat energy for the integrated heat exchanger, so that the integrated heat exchanger performs heat exchange to convert the liquid hydrogen from the liquid hydrogen storage tank into gaseous hydrogen. Liquid hydrogen in the liquid hydrogen storage jar is with the high pressure state storage, can have the condition of revealing owing to reasons such as sealed in storage process kneck, is connected with the pipeline at head and bottleneck valve joint department, and the liquid hydrogen of revealing in a small amount passes through the pipeline and gets into the evaporating pot, turns into gaseous hydrogen after the evaporating pot is heated. Gaseous hydrogen after heat exchange conversion of the integrated heater and gaseous hydrogen of the evaporation tank both enter the pressure regulator, and the gaseous hydrogen is pressurized through the pressure regulator.
According to the liquid hydrogen station heat management system of the exemplary embodiment, the heat energy is provided for the integrated heat exchanger through the clean energy heat energy providing device, so that the integrated heat exchanger can exchange heat to convert liquid hydrogen into gaseous hydrogen, further gaseous hydrogen filling is realized, the use of traditional energy is reduced, the use ratio of renewable energy and clean energy is improved, and the liquid hydrogen can be converted into gaseous hydrogen in a clean and efficient manner.
Preferably, the liquid hydrogen refueling station further comprises: and the hydrogenation machine is connected with the integrated heat exchanger through a pressure regulator and is used for filling gaseous hydrogen.
Specifically, the pressure regulator is arranged on a pipeline between the integrated heat exchanger and the hydrogenation machine, the pressure regulator is commonly called as an adjusting valve and usually adopts a spring form, the pressure passing through the pipeline is controlled by the pretightening force of the spring, the pressure regulator is decompressed when the spring is compressed, so that the function of pressurizing gaseous hydrogen is achieved, the pressure of the vehicle-mounted hydrogen storage bottle is generally divided into 35MPa and 70MPa, so that the filling end can be inflated to the vehicle-mounted hydrogen storage bottle only by the pressure higher than the pretightening force, the pressure regulator pressurizes the gaseous hydrogen, the pressure value is higher than 35MPa and 70MPa, the pressurized gaseous hydrogen enters the hydrogenation machine, and the gaseous hydrogen is filled.
Preferably, the integrated heat exchanger comprises a heat energy medium circulation pipeline and a liquid hydrogen pipeline, the heat energy medium circulation pipeline is connected with the clean energy heat energy providing device, receives the high-temperature heat medium provided by the clean energy heat energy providing device, returns the low-temperature heat medium to the clean energy heat energy providing device, and exchanges heat with the heat energy medium circulation pipeline through the liquid hydrogen pipeline, so that the liquid hydrogen is heated into gaseous hydrogen through the high-temperature heat medium.
Specifically, high-temperature heat medium flows out of a heat medium outlet of the clean energy heat energy providing device and flows into a heat medium circulation pipeline of the integrated heat exchanger through a pipeline, heat exchange energy is provided for the integrated heat exchanger, liquid hydrogen flows out of an outlet of the liquid storage hydrogen storage tank and flows into a liquid hydrogen pipeline of the integrated heat exchanger through a pipeline, the liquid hydrogen pipeline exchanges heat with the heat medium circulation pipeline to convert the liquid hydrogen into gaseous hydrogen, the high-temperature heat medium is converted into low-temperature heat medium, the converted gaseous hydrogen flows out of the liquid hydrogen pipeline of the integrated heat exchanger to the pressure regulator, and the low-temperature heat medium flows out of the heat medium circulation pipeline of the integrated heat exchanger and flows back to the clean energy heat energy providing device through a pipeline.
Preferably, the clean energy heat energy supply device comprises at least one of a solar heating device, a geothermal heating device and a hydrogen heating device; the solar heating device heats the heat medium by using solar energy, the geothermal heating device heats the heat medium by using geothermal energy, and the hydrogen heating device heats the heat medium by burning hydrogen.
Specifically, the clean energy heat energy supply device can adopt one or more of solar energy, geothermal energy and hydrogen, and one or more corresponding heat energy medium circulation pipelines are correspondingly arranged on the integrated heat exchanger.
The solar heating device utilizes solar energy to heat a heat medium, the heat medium is circulated by the water pump, the high-temperature heat medium flows out from an outlet of the clean energy heat energy providing device and enters a heat medium circulating pipeline of the integrated heat exchanger through a pipeline, and the low-temperature heat medium flows out from the heat medium circulating pipeline of the integrated heat exchanger and enters a low-temperature heat medium inlet of the clean energy heat energy providing device through a pipeline.
The geothermal energy heating device adopts a ground source heat pump system, a ground source heat unit extracts a heat source in soil, a heat medium is heated through the heat source, a high-temperature heat medium flows out of the ground source heat unit and enters a heat medium circulating pipeline of the integrated heat exchanger through a pipeline, and a low-temperature heat medium flows out of the heat medium circulating pipeline of the integrated heat exchanger and enters a low-temperature heat medium inlet of the ground source heat unit through the pipeline.
Preferably, the hydrogen heating device is respectively connected with the gaseous hydrogen outlet of the evaporation tank and the outlet of the liquid hydrogen pipeline of the integrated heat exchanger, so that the gaseous hydrogen of the evaporation tank and the integrated heat exchanger is utilized for combustion.
Specifically, gaseous hydrogen of the evaporation tank and gaseous hydrogen coming out of a liquid hydrogen pipeline of the integrated heat exchanger enter a hydrogen heating device, are ignited and combusted in the hydrogen heating device, heat media are heated by combustion, high-temperature heat media flow out of an outlet of the hydrogen heating device and enter a heat energy medium circulation pipeline of the integrated heat exchanger through a pipeline, and low-temperature heat media flow out of the heat energy medium circulation pipeline of the integrated heat exchanger and enter a low-temperature heat medium inlet of the hydrogen heating device through a pipeline.
Preferably, the hydrogenation machine comprises a cooling medium pipeline, and the cooling medium pipeline exchanges heat with the heat energy medium circulating pipeline of the integrated heat exchanger to cool the gaseous hydrogen filled in the hydrogenation machine.
Specifically, as the temperature of the hydrogenation machine needs to be reduced in the filling process, the low-temperature heat medium flows out of the heat medium circulation pipeline of the integrated heat exchanger and flows into the cooling medium pipeline of the hydrogenation machine through the pipeline, the low-temperature heat medium in the cooling medium pipeline exchanges heat with the gaseous hydrogen in the hydrogenation machine to cool the gaseous hydrogen in the hydrogenation machine, the hydrogen filling safety is ensured, and the heat medium after heat exchange flows out of the cooling medium pipeline of the hydrogenation machine and flows into the heat medium circulation pipeline of the integrated heat exchanger through the pipeline.
Preferably, the liquid hydrogen hydrogenation station further comprises an operating room and an operating room heat exchanger, the operating room heat exchanger is arranged in the operating room, and the operating room heat exchanger exchanges heat with the integrated heat exchanger to increase the temperature of the operating room.
Specifically, in winter, the high-temperature heat medium flows out of the heat energy medium circulation pipeline of the integrated heat exchanger and flows into the operation room heat exchanger through the pipeline to exchange heat with the operation room heat exchanger, and the exchanged low-temperature heat medium flows out of the operation room heat exchanger and flows into the heat energy medium circulation pipeline of the integrated heat exchanger through the pipeline, so that the temperature of the operation room is increased, and the heating requirement of the operation room is met.
As a preferred scheme, a heat energy medium circulating pipeline of the integrated heat exchanger, a liquid hydrogen pipeline and a heat exchange circulating pipeline of the operation room heat exchanger are arranged in a mutual abutting mode, and various pipelines respectively run independently and are not communicated with each other.
Specifically, the heat energy medium circulation pipeline, the liquid hydrogen pipeline and the heat exchange circulation pipeline of the operation room heat exchanger are not communicated with each other, but are closely attached to each other when being arranged, or are connected through fins and the like in the middle, so that heat conduction is realized.
Preferably, the liquid hydrogen station heat management system further comprises a safety valve, the safety valve is arranged at an outlet of the evaporation tank, and when the internal pressure of the evaporation tank is higher than a safety threshold value, the safety valve is opened so as to discharge the gaseous hydrogen.
Specifically, the safety valve is provided at an outlet of the evaporation tank, and when the internal pressure of the evaporation tank is higher than a safety threshold, the safety valve is automatically opened to discharge the gaseous hydrogen in the evaporation tank.
Preferably, the liquid hydrogen refueling station further comprises: and the liquid hydrogen filling machine is connected with the liquid hydrogen storage tank and is used for filling liquid hydrogen.
Specifically, liquid hydrogen flows into the liquid hydrogen filling machine from the liquid hydrogen storage tank, and liquid filling is realized.
Example one
Fig. 1 shows a structural connection diagram of a thermal management system of a liquid hydrogen refueling station according to an embodiment of the present invention. Fig. 2 shows a structural connection diagram of a thermal management system of a liquid hydrogen refueling station according to an embodiment of the present invention when a plurality of clean energy sources are used.
Referring to fig. 1 and 2, a thermal management system for a liquid hydrogen refueling station includes a liquid hydrogen storage tank 102 for storing liquid hydrogen, and includes: a vaporization tank 104, the vaporization tank 104 being connected to the liquid hydrogen storage tank 102 for storing gaseous hydrogen leaked from the liquid hydrogen storage tank 102; the integrated heat exchanger 108, wherein the integrated heat exchanger 108 exchanges heat with the liquid hydrogen storage tank 102, so that liquid hydrogen in the liquid hydrogen storage tank 102 is converted into gaseous hydrogen; the clean energy heat energy providing device 110 is connected with the integrated heat exchanger 108 and provides heat energy for the integrated heat exchanger 108; a pressure regulator 110, the pressure regulator 110 being connected to the vaporizer tank 104 and the integrated heat exchanger 108, respectively, for pressurizing the gaseous hydrogen flowing out of the vaporizer tank and the integrated heat exchanger.
Wherein, liquid hydrogen hydrogenation station still includes: the hydrogenation machine 204, the hydrogenation machine 204 is connected with the integrated heat exchanger 108 through the pressure regulator 110 for filling gaseous hydrogen.
The integrated heat exchanger 108 includes a heat energy medium circulation pipeline and a liquid hydrogen pipeline, the heat energy medium circulation pipeline is connected to the clean energy heat energy providing device 110, receives the high-temperature heat medium provided by the clean energy heat energy providing device 110, returns the low-temperature heat medium to the clean energy heat energy providing device 110, and exchanges heat with the heat energy medium circulation pipeline, so that the liquid hydrogen is heated by the high-temperature heat medium to be gaseous hydrogen.
Wherein, the clean energy thermal energy supply device 110 comprises at least one of a solar heating device 1082, a geothermal heating device 1084 and a hydrogen heating device 1086; the solar heating device 1082 heats the heat medium using solar energy, the geothermal heating device 1084 heats the heat medium using geothermal energy, and the hydrogen heating device 1086 heats the heat medium by burning hydrogen.
The hydrogen heating device 1086 is connected to the gaseous hydrogen outlet of the evaporation tank 104 and the liquid hydrogen outlet of the integrated heat exchanger 108, respectively, so as to perform combustion by using the gaseous hydrogen of the evaporation tank 104 and the integrated heat exchanger 108.
The hydrogenation unit 204 includes a cooling medium pipeline, and the cooling medium pipeline exchanges heat with the heat energy medium circulation pipeline of the integrated heat exchanger 108 to cool the gaseous hydrogen filled in the hydrogenation unit 204.
The liquid hydrogen refueling station further comprises an operating room and an operating room heat exchanger 112, the operating room heat exchanger 112 is arranged in the operating room, and the operating room heat exchanger 112 exchanges heat with the integrated heat exchanger 108 to increase the temperature of the operating room.
The heat energy medium circulation pipeline of the integrated heat exchanger 108, the liquid hydrogen pipeline and the heat exchange circulation pipeline of the inter-operation heat exchanger 112 are arranged in a mutually abutting manner, and the pipelines respectively run independently and are not communicated with each other.
The thermal management system of the liquid hydrogen hydrogenation station further comprises a safety valve 114, wherein the safety valve 114 is arranged at the outlet of the evaporation tank 104, and when the internal pressure of the evaporation tank 104 is higher than a safety threshold value, the safety valve 114 is opened so as to discharge the gaseous hydrogen.
Wherein, liquid hydrogen hydrogenation station still includes: the liquid hydrogen filling machine 202, the liquid hydrogen filling machine 202 is connected with the liquid hydrogen storage tank 102 for filling liquid hydrogen.
The working process of the thermal management system of the liquid hydrogen hydrogenation station is as follows: liquid hydrogen enters a liquid hydrogen pipeline of the integrated heat exchanger 108 from an outlet of the liquid hydrogen storage tank 102 through a pipeline, a high-temperature heat medium flows out from a heat medium outlet of the clean energy heat energy providing device 110 and flows into a heat medium circulating pipeline of the integrated heat exchanger 108 through a pipeline to provide heat exchange energy for the integrated heat exchanger 108, the liquid hydrogen pipeline exchanges heat with the heat medium circulating pipeline to convert the liquid hydrogen into gaseous hydrogen and convert the high-temperature heat medium into a low-temperature heat medium, the converted gaseous hydrogen flows out from the liquid hydrogen pipeline of the integrated heat exchanger 108 to the pressure regulator 110, the gaseous hydrogen after heat exchange conversion by the integrated heater and the gaseous hydrogen of the evaporation tank 104 both enter the pressure regulator 110, the gaseous hydrogen is pressurized through the pressure regulator 110, and the pressurized gaseous hydrogen enters the hydrogenation machine 204 to further realize the gaseous hydrogen. Part of the low temperature thermal medium flows out of the thermal medium circulation line of the integrated heat exchanger 108 and flows back to the clean energy thermal energy supply device 110 via a pipe. Part of the low-temperature heat medium flows out of the heat medium circulation pipeline of the integrated heat exchanger 108 and flows into the cooling medium pipeline of the hydrogenation machine 204 through a pipeline, the low-temperature heat medium in the cooling medium pipeline exchanges heat with the gaseous hydrogen in the hydrogenation machine 204 to cool the gaseous hydrogen in the hydrogenation machine 204, the hydrogen filling safety is ensured, and the heat medium after heat exchange flows out of the cooling medium pipeline of the hydrogenation machine 204 and flows into the heat medium circulation pipeline of the integrated heat exchanger 108 through a pipeline. In winter, part of the high-temperature heat medium flows out of the heat energy medium circulation pipeline of the integrated heat exchanger 108, flows into the operating room heat exchanger 112 through a pipeline, exchanges heat with the operating room heat exchanger 112 to increase the temperature of the operating room, and the exchanged low-temperature heat medium flows out of the operating room heat exchanger 112, flows into the heat energy medium circulation pipeline of the integrated heat exchanger 108 through a pipeline.
The foregoing description of the embodiments of the invention has been presented for purposes of illustration and not limitation, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.

Claims (10)

1. A liquid hydrogen refueling station thermal management system, liquid hydrogen refueling station includes the liquid hydrogen storage tank that is used for saving liquid hydrogen, its characterized in that, the thermal management system includes:
an evaporation tank connected to the liquid hydrogen storage tank for storing gaseous hydrogen leaked from the liquid hydrogen storage tank;
the integrated heat exchanger exchanges heat with the liquid hydrogen storage tank so as to convert liquid hydrogen in the liquid hydrogen storage tank into gaseous hydrogen;
the clean energy heat energy providing device is connected with the integrated heat exchanger and provides heat energy for the integrated heat exchanger;
and the pressure regulator is respectively connected with the evaporation tank and the integrated heat exchanger and is used for pressurizing the gaseous hydrogen flowing out of the evaporation tank and the integrated heat exchanger.
2. The liquid hydrogen refueling station thermal management system of claim 1, wherein the liquid hydrogen refueling station further comprises:
the hydrogenation machine is connected with the integrated heat exchanger through the pressure regulator and is used for filling gaseous hydrogen.
3. The liquid hydrogen hydrogenation station heat management system according to claim 2, wherein the integrated heat exchanger comprises a heat energy medium circulation pipeline and a liquid hydrogen pipeline, the heat energy medium circulation pipeline is connected with the clean energy heat energy providing device, receives the high-temperature heat medium provided by the clean energy heat energy providing device, returns the low-temperature heat medium to the clean energy heat energy providing device, and exchanges heat with the heat energy medium circulation pipeline, so that the liquid hydrogen is heated by the high-temperature heat medium to be gaseous hydrogen.
4. The liquid hydrogen station thermal management system of claim 3, wherein the clean energy thermal energy providing device comprises at least one of a solar heating device, a geothermal heating device, a hydrogen heating device; the solar heating device heats the heat medium by using solar energy, the geothermal heating device heats the heat medium by using geothermal energy, and the hydrogen heating device heats the heat medium by burning hydrogen.
5. The liquid hydrogen refueling station thermal management system according to claim 4, wherein the hydrogen gas heating device is connected to a gaseous hydrogen outlet of the evaporation tank and an outlet of a liquid hydrogen pipeline of the integrated heat exchanger, respectively, so that the gaseous hydrogen of the evaporation tank and the integrated heat exchanger is used for combustion.
6. The liquid hydrogen hydrogenation station thermal management system of claim 3, wherein the hydrogenation machine comprises a cooling medium conduit in heat exchange with the thermal energy medium circulation line of the integrated heat exchanger to cool the gaseous hydrogen injected by the hydrogenation machine.
7. The liquid hydrogen hydrogenation station thermal management system of claim 3, further comprising an operating room and an operating room heat exchanger, wherein the operating room heat exchanger is arranged in the operating room, and the operating room heat exchanger exchanges heat with the integrated heat exchanger to increase the temperature of the operating room.
8. The liquid hydrogen hydrogenation station heat management system according to claim 7, wherein the heat energy medium circulation pipeline, the liquid hydrogen pipeline of the integrated heat exchanger and the heat exchange circulation pipeline of the inter-operation heat exchanger are arranged in a mutually abutting manner, and the heat energy medium circulation pipeline, the liquid hydrogen pipeline of the integrated heat exchanger and the heat exchange circulation pipeline of the inter-operation heat exchanger respectively run independently and are not communicated with each other.
9. The liquid hydrogen refueling station thermal management system as set forth in claim 1 further comprising a safety valve disposed at an outlet of the vaporization tank, the safety valve opening to vent gaseous hydrogen when an internal pressure of the vaporization tank is above a safety threshold.
10. The liquid hydrogen refueling station thermal management system of claim 1, wherein the liquid hydrogen refueling station further comprises:
and the liquid hydrogen filling machine is connected with the liquid hydrogen storage tank and is used for filling liquid hydrogen.
CN201921044863.3U 2019-07-05 2019-07-05 Liquid hydrogen hydrogenation station heat management system Active CN210601028U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110375194A (en) * 2019-07-05 2019-10-25 北京新能源汽车技术创新中心有限公司 A kind of liquid hydrogen hydrogenation stations heat management system
CN112344207A (en) * 2020-10-12 2021-02-09 华中科技大学 Liquid hydrogen and high-pressure gas hydrogen combined hydrogenation system based on injection mixed pressure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110375194A (en) * 2019-07-05 2019-10-25 北京新能源汽车技术创新中心有限公司 A kind of liquid hydrogen hydrogenation stations heat management system
CN110375194B (en) * 2019-07-05 2023-12-22 北京国家新能源汽车技术创新中心有限公司 Liquid hydrogen hydrogenation station thermal management system
CN112344207A (en) * 2020-10-12 2021-02-09 华中科技大学 Liquid hydrogen and high-pressure gas hydrogen combined hydrogenation system based on injection mixed pressure

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