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Hydrogen filling system

A filling system and filling device technology, applied in the field of hydrogen filling system, can solve the problems of high cost of liquid hydrogen and great influence of the initial state of the tank, etc.

Pending Publication Date: 2020-06-09
TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the cost of discharging liquid hydrogen after pre-cooling in this way is relatively high, and the filling process is greatly affected by the initial state of the tank

Method used

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Examples

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Embodiment 1

[0032] Such as figure 2 As shown, a hydrogen filling system in one embodiment includes a booster device 110, a circulation device 120, a refrigeration device 130, a first valve V1, a filling device 140 and a measurement and control device (not shown).

[0033] The refrigeration device 130 includes a refrigeration unit 132 and a heat exchanger 134 . The heat exchanger 134 includes a first heat exchange pipeline (not marked in the figure), a second heat exchange pipeline (not marked in the figure) and a cooling medium pipeline (not marked in the figure). The outlet of the refrigeration unit 132 is connected with the inlet of the cooling medium pipeline. The outlet of the cooling medium pipeline is connected with the inlet of the refrigeration unit 132.

[0034] The inlet of the supercharging device 110 is used to connect with the hydrogen storage device 150, the outlet of the supercharging device 110 is connected to the inlet of the first heat exchange pipeline, the outlet of...

Embodiment 2

[0058] Such as image 3 As shown, a hydrogen filling system in one embodiment includes a booster device 210, a circulation device 220, a refrigeration device 230, a filling device 240, and a measurement and control device (not shown).

[0059] The inlet of the supercharging device 210 is used to connect to the hydrogen storage device 250, the outlet of the supercharging device 210 is connected to the inlet of the filling device 240, the outlet of the filling device 240 is used to connect to the inlet of the vehicle-mounted hydrogen storage container 260, and the refrigeration device The inlet of 230 is used to connect with the outlet of on-board hydrogen storage container 260 , the outlet of refrigeration device 230 is connected with the inlet of circulation device 220 , and the outlet of circulation device 220 is connected with the inlet of filling device 240 .

[0060] The pressurizing device 210, the circulation device 220, the refrigeration device 230 and the filling devic...

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Abstract

The invention discloses a hydrogen filling system which comprises a pressurizing device, a circulating device, a refrigerating device, a filling device and a measuring and controlling device, whereinthe refrigerating device is used for providing cooling quantity for cooling of a vehicle-mounted hydrogen storage container; the circulating device is used for providing circulating power for hydrogenfor precooling the vehicle-mounted hydrogen storage container; the pressurizing device is used for pressurizing hydrogen filled in the vehicle-mounted hydrogen storage container; the filling device is used for filling hydrogen in the vehicle-mounted hydrogen storage container; and the pressurizing device, the circulating device, the refrigerating device and the filling device are connected with the measuring and controlling device separately. According to the hydrogen filling system, the refrigerating device is arranged to cool hydrogen, so that the temperature of the vehicle-mounted hydrogenstorage container is reduced; and through arranging the circulating device, hydrogen participating in precooling is cooled through the refrigerating device and is then pressurized in the vehicle-mounted hydrogen storage container, so that the hydrogen filling system can recycle hydrogen cooled by the vehicle-mounted hydrogen storage container, so that lossless filling process is realized and thecost is reduced.

Description

technical field [0001] The invention relates to the technical field of hydrogen energy utilization, in particular to a hydrogen filling system. Background technique [0002] Hydrogen energy is a clean and efficient secondary energy source. Its combustion product is only water and hydrogen has a high energy density per unit mass (140MJ / kg vs. gasoline: 44MJ / kg). Therefore, hydrogen energy is an important aspect of building a modern energy system. First of all, as my country's dependence on foreign oil and natural gas energy gradually increases, energy security issues have become increasingly prominent. Promoting the application of hydrogen energy in energy consumption terminals will help reduce our consumption of non-renewable energy such as oil and natural gas. Secondly, as an energy carrier, hydrogen energy can realize large-scale energy storage and peak regulation, effectively alleviating the current problem that renewable energy power generation cannot be fully connected...

Claims

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Application Information

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IPC IPC(8): F17C5/06F17C5/02F17C13/02F17C13/04F17C13/00F17D1/02F17D1/08F17D1/14F17D3/01
CPCF17C5/06F17C5/02F17C13/025F17C13/026F17C13/02F17C13/04F17C13/002F17D1/02F17D1/082F17D1/14F17D3/01F17C2221/012F17C2223/0123F17C2223/013F17C2223/036F17C2225/0123F17C2225/013F17C2225/036F17C2227/0135F17C2227/0157F17C2227/0355F17C2227/04F17C2250/0626F17C2250/0631F17C2250/0636Y02E60/32Y02E60/34
Inventor 吕翠贺明朱伟平张宇龚领会伍继浩
Owner TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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