CN116428512A - Integrated mobile hydrogenation station - Google Patents

Integrated mobile hydrogenation station Download PDF

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Publication number
CN116428512A
CN116428512A CN202310204958.1A CN202310204958A CN116428512A CN 116428512 A CN116428512 A CN 116428512A CN 202310204958 A CN202310204958 A CN 202310204958A CN 116428512 A CN116428512 A CN 116428512A
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China
Prior art keywords
hydrogen
pressure
hydrogen storage
low
temperature
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CN202310204958.1A
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Chinese (zh)
Inventor
侯正猛
郭奕麟
***
韩丽
黄亮朝
方琰藜
王琪琛
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Zhengzhou University
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Zhengzhou University
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Priority to CN202310204958.1A priority Critical patent/CN116428512A/en
Publication of CN116428512A publication Critical patent/CN116428512A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
    • F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
    • F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/02—Pipe-line systems for gases or vapours
    • F17D1/04—Pipe-line systems for gases or vapours for distribution of gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/02—Pipe-line systems for gases or vapours
    • F17D1/065—Arrangements for producing propulsion of gases or vapours
    • F17D1/07—Arrangements for producing propulsion of gases or vapours by compression
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/20—Arrangements or systems of devices for influencing or altering dynamic characteristics of the systems, e.g. for damping pulsations caused by opening or closing of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D3/00—Arrangements for supervising or controlling working operations
    • F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00—Protection or supervision of installations
    • F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/012—Hydrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107—Single phase
    • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/01—Propulsion of the fluid
    • F17C2227/0128—Propulsion of the fluid with pumps or compressors
    • F17C2227/0157—Compressors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/03—Heat exchange with the fluid
    • F17C2227/0337—Heat exchange with the fluid by cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/03—Control means
    • F17C2250/032—Control means using computers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/03—Control means
    • F17C2250/036—Control means using alarms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/043—Pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/02—Improving properties related to fluid or fluid transfer
    • F17C2260/025—Reducing transfer time
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/04—Reducing risks and environmental impact
    • F17C2260/042—Reducing risk of explosion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2265/00—Effects achieved by gas storage or gas handling
    • F17C2265/06—Fluid distribution
    • F17C2265/061—Fluid distribution for supply of supplying vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0165—Applications for fluid transport or storage on the road
    • F17C2270/0184—Fuel cells
    • 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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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The invention belongs to the technical field of hydrogen adding stations, and discloses an integrated mobile hydrogen adding station. The invention comprises a mobile device, and a double compression system, a hydrogen storage system, a hydrogen distribution system and the like which are sequentially connected and loaded on the mobile device, wherein the double compression system comprises at least one group of booster units; the hydrogen storage system comprises a low-pressure hydrogen storage part, a medium-pressure hydrogen storage part and a high-pressure hydrogen storage part which are arranged in parallel; the hydrogen distribution system is used for conveying the hydrogen stored in the hydrogen storage system to an external hydrogen device. The integrated mobile hydrogenation station provides a comprehensive solution of hydrogen storage, hydrogen transportation and hydrogenation functions, can be produced in a large scale and rapidly implemented, and provides more beneficial help for rapid development of hydrogen fuel infrastructure.

Description

Integrated mobile hydrogenation station
Technical Field
The invention belongs to the technical field of hydrogen adding stations, and particularly relates to an integrated mobile hydrogen adding station.
Background
Hydrogen energy is an important direction of world energy development, and how to realize efficient production, storage and transportation and utilization of hydrogen is a hot spot field of current research in the world. At present, due to the lack of large-scale hydrogen transportation infrastructure (such as a large number of hydrogen pipelines), the production, storage and utilization of hydrogen often have time and space dispersion, and the energy efficiency is low. The current situation of the integrated mobile hydrogen adding station integrating hydrogen production, storage, transportation and utilization is expected to be changed. The movable hydrogenation station can be used for hydrogenation of a fixed hydrogenation station on one hand and centralized clients on the other hand (such as buses, trucks, green hydrogen steelmaking ironworks and the like).
The research on the hydrogen adding station is mainly focused on a fixed hydrogen adding station, and the research on the mobile hydrogen adding station is relatively less, in particular to a mobile green electricity hydrogen adding station integrating the process, the storage and the transportation. The movable hydrogenation station has commonality in hydrogen storage, hydrogenation and fixed hydrogenation stations, has additional hydrogenation and hydrogen transportation functions, and has more complicated operation scenes (dynamic transportation). There is therefore a need to develop an integrated mobile hydrogen station and its systematic design.
Disclosure of Invention
In view of the problems and shortcomings of the prior art, the present invention is directed to an integrated mobile docking station.
Based on the above purpose, the invention adopts the following technical scheme:
the first aspect of the invention provides an integrated mobile hydrogenation station, which comprises a mobile device, and a double compression system, a hydrogen storage system and a hydrogen distribution system which are sequentially connected and loaded on the mobile device;
the dual compression system comprises at least one group of booster units; the supercharging unit comprises a low-pressure compressor and a high-pressure compressor, a low-pressure compressor gas inlet and a high-pressure compressor gas inlet are respectively communicated with an external hydrogen supply device, a low-pressure compressor gas outlet is communicated with the high-pressure compressor gas inlet through a buffer tank, and a high-pressure compressor gas outlet is communicated with the hydrogen storage system;
the hydrogen storage system is used for storing hydrogen compressed by the double compression system;
the hydrogen distribution system is used for conveying the hydrogen stored in the hydrogen storage system to an external hydrogen device;
the mobile device is movable.
More preferably, the mobile hydrogenation station may further comprise a hydrogen supply device.
Preferably, when the dual compression system includes two or more sets of booster sets, the booster sets are connected in parallel.
More preferably, the high-pressure compressor gas outlet is connected to a low-pressure hydrogen storage part gas inlet, a medium-pressure hydrogen storage part gas inlet and a high-pressure hydrogen storage part gas inlet in the hydrogen storage system, respectively.
Preferably, the hydrogen storage system comprises a low-pressure hydrogen storage part, a medium-pressure hydrogen storage part and a high-pressure hydrogen storage part which are arranged in parallel; the low-pressure hydrogen storage part comprises at least one low-pressure hydrogen storage tank connected in parallel, the medium-pressure hydrogen storage part comprises at least one medium-pressure hydrogen storage tank connected in parallel, and the high-pressure hydrogen storage part comprises at least one high-pressure hydrogen storage tank connected in parallel.
Further, the hydrogen distribution system may preferably be a hydrogenation machine and a hydrogenation gun connected to the hydrogenation machine; the hydrogenation machine gas inlet is respectively connected to the low-pressure hydrogen storage part gas outlet, the medium-pressure hydrogen storage part gas outlet and the high-pressure hydrogen storage part gas outlet; the gas outlet of the hydrogenation machine is connected with a hydrogenation gun so as to inject hydrogen into an external hydrogen device such as a hydrogen fuel cell vehicle and the like.
Preferably, the mobile hydrogen station further comprises a cascade cooling system; the cascade cooling system comprises a low-temperature evaporation device, a medium-temperature-stage refrigeration compressor unit, a low-temperature-stage refrigeration compressor unit and a heat exchanger; the low-temperature evaporation device, the medium-temperature evaporation device and the medium-temperature-stage refrigeration compressor unit are connected in series to form a medium-temperature heat exchange loop, the low-temperature evaporation device, the low-temperature-stage refrigeration compressor unit and the heat exchanger are connected in series to form a low-temperature heat exchange loop, and the medium-temperature heat exchange loop and the low-temperature heat exchange loop are not communicated.
More preferably, the mobile hydrogenation station further comprises an inner housing and an outer housing; the low-temperature evaporation device and the hydrogen storage system are arranged in an inner cavity of the inner shell, other device systems comprise the double compression system, a hydrogen pipeline communicated with a gas outlet of the hydrogen storage system, and a medium-temperature evaporation device, two refrigeration compressor units, a heat exchanger and the like of the cascade cooling system are arranged in a cavity formed between the inner shell and the outer shell; the heat exchanger is arranged on a hydrogen pipeline communicated with a gas outlet of the hydrogen storage system. Further, the medium-temperature evaporation device is mainly used for cooling the double-compression system; the low-temperature evaporation device is mainly used for cooling the hydrogen storage system; the heat exchanger is used for cooling the hydrogen pipeline communicated with the gas outlet of the hydrogen storage system, so that the temperature of hydrogen in the hydrogen pipeline is conveniently reduced.
Preferably, the medium-temperature heat exchange loop and the low-temperature heat exchange loop exchange heat through the low-temperature evaporation device, so that the medium-temperature heat exchange loop is convenient for pre-cooling the low-temperature heat exchange loop, and meanwhile, the low-temperature heat exchange loop can further cool the medium-temperature heat exchange loop, thereby further saving energy and reducing emission.
Preferably, the mobile hydrogen station further comprises a communication control system; the communication control system comprises an internal communication control device and a third party communication control device (comprising a wireless router supporting a cellular network); the internal communication control device is used for controlling the internal device and the system of the mobile hydrogenation station, and the third party communication control device is used for controlling the external device and the system of the mobile hydrogenation station; the internal communication control device and the third party communication control device are respectively in communication connection with other systems including a double compression system, a hydrogen storage system, a hydrogen distribution system and a cascade cooling system.
More preferably, the gas outlet of the external hydrogen supply device is respectively communicated with the gas inlets of the low-pressure compressor and the high-pressure compressor after being split by a three-way valve through a hydrogen supply pipeline; and a pressure sensor is further arranged on the hydrogen supply pipeline before the three-way valve is used for splitting.
More preferably, the communication control system controls the three-way valve to guide the hydrogen passage according to the external hydrogen supply pressure, distributes the hydrogen compression process to the low-pressure compressor or the high-pressure compressor according to the hydrogen pressure provided by the hydrogen supply device, and conveys the hydrogen entering the low-pressure compressor to the high-pressure compressor after passing through the buffer tank. Further, when the hydrogen supply pressure is lower than the gas inlet threshold pressure of the high-pressure compressor, the communication control system controls the three-way valve to distribute hydrogen to the low-pressure compressor for compression treatment of the hydrogen, and high inlet pressure of the high-pressure compressor is relieved.
More preferably, a valve and a pressure sensor are arranged at the gas inlet and the gas outlet of each hydrogen storage tank in the low-pressure hydrogen storage part, the medium-pressure hydrogen storage part and the high-pressure hydrogen storage part, and the hydrogen storage system is connected with a hydrogen pipeline for distributing hydrogen, and a pressure reducing valve is arranged on the hydrogen pipeline. The communication control system is in communication connection with the valve, the pressure sensor and the pressure reducing valve, and the communication control system controls hydrogen storage tanks with different pressures to compress and hydrogenate through the valve, the pressure sensor and the pressure reducing valve, and simultaneously selects a proper hydrogen storage part according to the requirement of a hydrogen utilization device and controls the pressure reducing valve on an output main pipeline of the hydrogen storage system to output hydrogen meeting the pressure requirement.
More preferably, the communication control system may further control the hydrogen distribution system according to the hydrogen storage pressure in the hydrogen storage system, and deliver the hydrogen to the hydrogen using device that conforms to the hydrogen storage pressure in the hydrogen storage system.
More preferably, the communication control system further detects the operation condition of the cascade cooling system apparatus and the leakage condition of the refrigerant by the detection apparatus.
More preferably, the mobile docking station further includes safety equipment (such as a fire extinguishing system, a circuit breaker, a camera monitoring system, a standby battery system, etc.) and an operation maintenance system (which can refer to an operation instruction to instruct a worker to perform daily operations, maintenance and terminal diagnosis on the mobile docking station, communicate with a remote worker, report an emergency, etc.). Further, the communication control system also establishes communication connections between the safety devices and the operation and maintenance system and other systems.
Compared with the prior art, the invention has the following beneficial effects:
the integrated mobile hydrogenation station provides a comprehensive solution of hydrogen storage, hydrogen transportation and hydrogenation functions, and can be produced in a large scale and rapidly implemented. The system extracts hydrogen to the maximum extent through the double compression system, so that the problem that residual hydrogen cannot be extracted due to insufficient pressure is avoided, and the compression pressure of the high-pressure compressor is relieved; the hydrogen storage system reduces the pressure and time required for compression and reduces costs; the two heat exchange loops of the cascade cooling system pre-cool the low-temperature heat exchange loop at the same time of the medium-temperature heat exchange loop, so that the low-temperature heat exchange loop can further cool the medium-temperature heat exchange loop, the safety of hydrogen storage and hydrogenation is ensured, and energy conservation and emission reduction can be further realized; in addition, the invention can also adopt a Programmable Logic Controller (PLC) as a controller of a communication control system to monitor and maintain in cooperation with a digital pressure gauge, thereby ensuring the safety of the storage tank. The integrated mobile hydrogenation station has the advantages of safety, strong adaptability and reasonable price, and can be produced in a large scale and rapidly implemented. These advantages will promote the convenience of hydrogen usage, further promote market demand for hydrogen energy automobiles, build confidence in the hydrogen energy automobile market for consumers and investors, encourage the development of more permanent infrastructure, and also promote the production and reformation of more hydrogen fuel automobiles, providing a more advantageous aid for the rapid development of hydrogen fuel infrastructure.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objects and other advantages of the invention may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
FIG. 1 is a schematic diagram of an integrated mobile docking station according to the present invention; in the figure, 101 is hydrogen production equipment, 102 is a valve, 103 is a pressure sensor, 201 is a three-way plug valve, 202 is a low-pressure compressor, 203 is a one-way valve, 204 is a buffer tank, 205 is a high-pressure compressor, 301 is a low-pressure hydrogen storage tank, 302 is a medium-pressure hydrogen storage tank, 303 is a high-pressure hydrogen storage tank, 401 is hydrogenation equipment, 501 is a medium-temperature refrigeration compressor unit, 502 is a medium-temperature evaporator, 503 is a low-temperature refrigeration compressor unit, 504 is a low-temperature evaporator, and 505 is a shell-and-tube heat exchanger.
Detailed Description
The present invention will be further described in detail below with reference to the accompanying drawings by way of examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1
The embodiment provides an integrated mobile hydrogen adding station, which comprises a movable mobile device, hydrogen preparing equipment, a double compression system, a hydrogen storing system, a hydrogen distributing system, a cascade cooling system, safety equipment, an operation maintenance system, a communication control system and an inner shell and an outer shell, wherein the hydrogen preparing equipment, the double compression system, the hydrogen storing system, the hydrogen distributing system, the cascade cooling system, the safety equipment, the operation maintenance system and the communication control system are sequentially connected on the mobile device, as shown in fig. 1.
The double compression system comprises a group of booster units; in the booster unit, a gas inlet pipeline of a low-pressure compressor 202 and a gas inlet pipeline of a high-pressure compressor 205 are integrated through a three-way plug valve 201 and then connected with hydrogen production equipment 101 through a hydrogen charging port valve 102, a gas outlet pipeline of the low-pressure compressor 202 is connected to a gas inlet of the high-pressure compressor 205 through a buffer tank 204 through a one-way valve 203, and a gas outlet pipeline of the high-pressure compressor 205 is divided into three paths through the one-way valve 203 and is respectively connected to a low-pressure hydrogen storage tank 301, a medium-pressure hydrogen storage tank 302 and a high-pressure hydrogen storage tank 303 which are arranged in parallel in the hydrogen storage system; the gas outlet pipes of the low-pressure hydrogen storage tank 301, the medium-pressure hydrogen storage tank 302 and the high-pressure hydrogen storage tank 303 are integrated, and then the hydrogen stored in the hydrogen storage system is conveyed to the external hydrogenation equipment 401 through the pressure reducing valve 102.
On the other hand, the cascade cooling system includes a medium temperature stage refrigeration compressor unit 501, a medium temperature evaporator 502, a low temperature stage refrigeration compressor unit 503, a low temperature evaporator 504, and a shell-and-tube heat exchanger 505. The low-temperature evaporator 504 and the hydrogen storage system are arranged in the inner cavity of the inner shell, other device systems comprise the double compression system, a hydrogen pipeline communicated with a gas outlet of the hydrogen storage system, and a medium-temperature refrigeration compressor unit 501, a medium-temperature evaporator 502, a low-temperature refrigeration compressor unit 503, a shell-and-tube heat exchanger 505 and the like of the cascade cooling system are arranged in the cavity formed between the inner shell and the outer shell; the shell-and-tube heat exchanger 505 is mounted on a hydrogen-using pipe that communicates with the gas outlet of the hydrogen storage system. The medium-temperature-stage refrigeration compressor unit 501, the medium-temperature evaporator 502 and the low-temperature evaporator 504 are connected in series to form a medium-temperature heat exchange loop, the low-temperature evaporator 504, the low-temperature-stage refrigeration compressor unit 503 and the shell-and-tube heat exchanger 505 are connected in series to form a low-temperature heat exchange loop, and the medium-temperature heat exchange loop and the low-temperature heat exchange loop are subjected to heat exchange by the low-temperature evaporator 504 but are not communicated, so that the medium-temperature heat exchange loop is convenient to pre-cool the low-temperature heat exchange loop, and meanwhile, the low-temperature heat exchange loop can further cool the medium-temperature heat exchange loop, thereby further saving energy and reducing emission.
Further, the integrated mobile hydrogenation station also comprises safety equipment (such as a fire extinguishing system, a circuit breaker, a camera monitoring system, a standby battery system and the like) and an operation maintenance system (such as a touch screen display, a camera, a vehicle-mounted computer and the like). It should be noted that the fire extinguishing system includes a smoke detector, an automatic fire extinguishing system, and a thermocouple heat detector connected to the communication device; the circuit breaker will be used to cut off system communications in case of emergency; the camera monitoring system is connected with the communication module, and the detection equipment is safe. The operation and maintenance system can consult the operation instruction to guide the staff to perform daily operation, maintenance and terminal diagnosis on the mobile hydrogenation station, communicate with the remote staff, report emergency and the like.
The communication control system includes an internal communication control device and a third party communication control device (such as communicating with a remote staff via a wireless route supporting a cellular network, etc., reporting an emergency, etc.); the internal communication control device processes communication signals fed back by an input end (such as a pressure sensor, safety equipment, a communication module of an operation and maintenance system and the like), and the control output end comprises a valve (comprising a three-way plug valve, a one-way valve, a pressure reducing valve and the like), a compressor, an evaporator, safety equipment and other instruments and equipment. The pressure sensors include a pressure sensor 103 in front of the three-way plug valve 201, a low-pressure hydrogen storage tank 301, a medium-pressure hydrogen storage tank 302, a high-pressure hydrogen storage tank 303, a separate pressure sensor 103 at the gas outlet, and the like.
As an alternative, the invention provides a minimum inlet pressure of 20bar for the low pressure compressor, 103bar for the high pressure compressor and 20 c for the compressor operating environment. Preferably, the low pressure compressor is of the RIX 4VX series, reference model 4VX-2BG (the model having a minimum gas inlet pressure of 20 bar). When the pressure in the hydrogen production plant 101 is lower than 150bar, the 4VX-2BG low pressure compressor can inhale hydrogen at a pressure as low as 20bar and compress it to 150bar, thereby relieving the high inlet pressure of the high pressure compressor, and then the hydrogen is conveyed to the high pressure compressor through the buffer tank, thereby realizing the pressure required by the hydrogen storage plant. The high-pressure compressors are of the diaphragm compressor series produced by PDC machines corporation, reference model PDC-4-12000 (the model design ranges from 103 to 517bar for inlet pressure, and gas outlet pressures can be as high as 900 bar).
The invention sets the storage tank pressures of the low-pressure hydrogen storage tank 301, the medium-pressure hydrogen storage tank 302 and the high-pressure hydrogen storage tank 303 to be 400bar, 650bar and 900bar respectively; each hydrogen storage tank was located independently in a compartment (insulated with 10cm polyurethane, r-value 26.770) of the mobile hydrogenation station, the compartment would be completely sealed, airtight, and would be maintained at a constant temperature of-10 ℃ by the cooling system during operation, and once leakage occurred, the hydrogen would be vented through passive vents on the roof.
The present invention converts a dispenser for fueling gasoline (similar to the external dimensions and interface specifications of a standard gasoline dispenser) into a hydrogen dispenser for use with hydrogen fuelled vehicles. The safety barrier in the dispenser has a nozzle that meets the SAE TIR 2799 standard, a maximum dispensing speed of 60g/s, meets the SAE TIR J2601 standard, and is capable of communicating with hydrogen fuel vehicle tank conditions with matching equipment.
The cascade cooling system of the present invention provides cooling for all systems. The cooling system refrigeration compressor unit has an operating temperature range of-20 to 50 ℃ and the communication module has an operating temperature range of-20 to 70 ℃, so that other equipment and systems except the hydrogen storage system and the low-temperature evaporator are cooled in the medium-temperature stage. The intermediate temperature stage uses R-134a refrigerant and a condensing unit and a compressor model ZB38KCE-TFE manufactured by Copelamd company. The hydrogen storage system and the low-temperature evaporator are cooled in the low-temperature stage, and the hydrogenation temperature can reach-58 ℃ through a heat exchanger in the low-temperature stage. The low temperature stage uses R-744 refrigerant and a low temperature compressor and condensing unit manufactured by Copelamd, the compressor reference model ZOD KCE-TFE. In the cascade cooling system, a low-temperature evaporator is connected in series with a medium-temperature evaporator to reject heat from flowing hydrogen fuel and reduce temperature rise caused by hydrogenation. To ensure safety, the communication control system will monitor the cascade cooling system for refrigerant leakage. If the cascade cooling system fails completely, a stop operation will be performed.
The safety equipment comprises a fire extinguishing system, a circuit breaker, a camera monitoring system, a standby battery system and the like. When the detection rate of the device reaches 1%, the communication control system starts the warning lamp and the ventilation fan, and hydrogen escapes from the passive ventilation opening of the roof; when the detection rate of the device reaches 2%, the communication control system starts an audible alarm and a safety system notification, and simultaneously controls the circuit breaker to cut off the system communication, and all valves are closed. The automatic fire extinguishing system adopts carbon dioxide fire extinguishing equipment, and the reference model is CFF800. The device function is independent of the power supply, with three independent heat activated modules mounted on the ceiling. The camera monitoring system installs one camera at each upper corner of the mobile hydrogen adding station, these cameras will be connected to the communication module and send out problem signal to the on-call staff immediately through the communication equipment.
The operation and maintenance system can realize communication with a remote operator through the third-party communication control device, and once the third-party communication control device is connected, the operator can assist the driver to deal with problems and request assistance from a local safety department when a fault occurs. If the personnel notice unsafe conditions of the mobile hydrogen station, such as broken hoses, external damage caused by vehicle collision, damaged key parts, even fire, etc., the report emergency option can be used to initiate an emergency protocol, send an audible alarm to evacuate surrounding personnel. To prevent false positives, all sensors in the system will verify the fault while the remote operator is visually inspecting the area using a remotely accessed security camera when the emergency protocol is initiated. The personnel performing the maintenance may make a system diagnosis of the mobile docking station and send a diagnosis report to the remote operator.
The information processing for monitoring and controlling the internal devices and systems of the present invention are managed by a Crouzet Millenium 3 (XD 26) 240VAC, 60Hz Programmable Logic Controller (PLC). The PLC is used for communication transmission among other sensors such as a valve, a compressor, an evaporator, a pressure sensor and the like, and utilizes real-time pressure reading of a digital pressure gauge to maintain the optimal storage pressure of the storage tank by adopting a dynamic compression algorithm during transportation, storage and distribution of hydrogen, and monitor, maintain and ensure safe and efficient operation of the system. The PLC will also be used to determine the voltage or wattage at various points in the system to confirm proper operation. If there is a service interruption, the controller will engage the backup battery system; if there is a circuit failure that could lead to a fire hazard, the controller will activate a series of safety protocols, such as emergency warning lights and/or alarms, activate the fire suppression system, and relay the failure signal to a third party. Communication between the mobile hydrogen station and the remote third party is accomplished by a 5G industrial gigabit router, reference model AR7091. The 5G industrial router of the model is an industrial Internet of things gateway/CPE developed based on technologies such as 5G/4G/3G/2G, WIFI, virtual private network and the like. The product adopts a high-performance industrial 32-bit communication processor and an industrial wireless module, takes an embedded operating system as a software supporting platform, simultaneously supports 1 gigabit Ethernet WAN, 4 gigabit Ethernet LAN, 1 RS232/RS485 (optional) interface and 2.4G/5.8G WIFI interface, can be simultaneously connected with serial port equipment, ethernet equipment and WIFI equipment, and can meet the field communication requirement of a mobile hydrogenation station.
In conclusion, the invention effectively overcomes the defects in the prior art and has high industrial utilization value. The above-described embodiments are provided to illustrate the gist of the present invention, but are not intended to limit the scope of the present invention. It will be understood by those skilled in the art that various modifications and equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention.

Claims (10)

1. The integrated mobile hydrogenation station is characterized by comprising a mobile device, and a double compression system, a hydrogen storage system and a hydrogen distribution system which are sequentially connected and loaded on the mobile device;
the dual compression system comprises at least one group of booster units; the supercharging unit comprises a low-pressure compressor and a high-pressure compressor, a low-pressure compressor gas inlet and a high-pressure compressor gas inlet are respectively communicated with an external hydrogen supply device, a low-pressure compressor gas outlet is communicated with the high-pressure compressor gas inlet through a buffer tank, and a high-pressure compressor gas outlet is communicated with the hydrogen storage system;
the hydrogen storage system is used for storing hydrogen compressed by the double compression system;
the hydrogen distribution system is used for conveying the hydrogen stored in the hydrogen storage system to an external hydrogen device.
2. The mobile docking station of claim 1, further comprising a cascade cooling system; the cascade cooling system comprises a low-temperature evaporation device, a medium-temperature-stage refrigeration compressor unit, a low-temperature-stage refrigeration compressor unit and a heat exchanger; the low-temperature evaporation device, the medium-temperature evaporation device and the medium-temperature-stage refrigeration compressor unit are connected in series to form a medium-temperature heat exchange loop, and the low-temperature evaporation device, the low-temperature-stage refrigeration compressor unit and the heat exchanger are connected in series to form a low-temperature heat exchange loop; the medium-temperature evaporation device is used for cooling the double-compression system; the low-temperature evaporation device is used for cooling the hydrogen storage system; the heat exchanger is used for cooling the hydrogen pipeline communicated with the gas outlet of the hydrogen storage system.
3. The mobile hydrogenation station of claim 2, wherein said medium temperature heat exchange circuit and low temperature heat exchange circuit exchange heat through said low temperature evaporation device.
4. The mobile hydrogenation station of claim 3, wherein when said dual compression system comprises two or more booster sets, the booster sets are connected in parallel.
5. The mobile hydrogenation station of claim 4, wherein the hydrogen storage system comprises a low pressure hydrogen storage section, a medium pressure hydrogen storage section, and a high pressure hydrogen storage section arranged in parallel; the low-pressure hydrogen storage part comprises at least one low-pressure hydrogen storage tank connected in parallel, the medium-pressure hydrogen storage part comprises at least one medium-pressure hydrogen storage tank connected in parallel, and the high-pressure hydrogen storage part comprises at least one high-pressure hydrogen storage tank connected in parallel.
6. The mobile docking station of claim 5, further comprising a communication control system; the communication control system comprises an internal communication control device and a third party communication control device; the internal communication control device is used for controlling the internal device and the system of the mobile hydrogenation station, and the third party communication control device is used for controlling the external device and the system of the mobile hydrogenation station; and the internal communication control device and the third party communication control device are respectively in communication connection with the double compression system, the hydrogen storage system, the hydrogen distribution system and the cascade cooling system.
7. The mobile hydrogenation station of claim 6, wherein the gas outlet of said external hydrogen supply device is in communication with the gas inlets of said low pressure compressor, high pressure compressor via a hydrogen supply conduit; the hydrogen supply pipeline is provided with a pressure sensor and a three-way valve.
8. The mobile hydrogenation station of claim 7, wherein said communication control system controls said three-way valve to dispense hydrogen to said low pressure compressor for compression of hydrogen when said external hydrogen supply device gas outlet hydrogen supply pressure is below said high pressure compressor gas inlet threshold pressure.
9. The mobile hydrogenation station according to claim 8, wherein a valve and a pressure sensor are arranged at the gas inlet and the gas outlet of each hydrogen storage tank in the low-pressure hydrogen storage part, the medium-pressure hydrogen storage part and the high-pressure hydrogen storage part, the communication control system is in communication connection with the valve and the pressure sensor, and the communication control system controls the hydrogen storage pressure of each hydrogen storage part in the hydrogen storage system through the valve and the pressure sensor.
10. The mobile docking station of claim 9, further comprising a safety device and an operation maintenance system.
CN202310204958.1A 2023-03-06 2023-03-06 Integrated mobile hydrogenation station Pending CN116428512A (en)

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