A risk assessment method for hydrogen energy equipment in a hydrogen refueling station

A technology of risk assessment and hydrogen refueling station, applied in the field of safety assessment system, can solve problems such as major dangers and hidden dangers, and achieve the effect of ensuring safety and reliability

Active Publication Date: 2022-07-26
ZHEJIANG UNIV CITY COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to its failure, the proportion of its hydrogen leakage accidents and near accidents has reached more than 50%, and there are great hidden dangers

Method used

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  • A risk assessment method for hydrogen energy equipment in a hydrogen refueling station
  • A risk assessment method for hydrogen energy equipment in a hydrogen refueling station
  • A risk assessment method for hydrogen energy equipment in a hydrogen refueling station

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] like figure 1 shown, figure 1 A schematic structural diagram of a hydrogenation station shown in an embodiment of the present invention is shown. The hydrogenation station in this embodiment may include: at least one compressor, a hydrogen storage tank connected to all compressors by pipelines, and the pipelines are connected to hydrogen storage tanks. The hydrogenation machine of the tank, each hydrogenation machine pipeline is connected with a plurality of filling guns for filling the hydrogen energy vehicle with hydrogen.

[0060] The hydrogen storage tank in this embodiment is a 98MPa high-pressure hydrogen storage tank, the compressor is a 90MPa compressor, that is, the exhaust pressure is 90MPa, and the power is 18.5kW; the hydrogenation machine is a 70MPa hydrogenation machine, the filling pressure is 70MPa, and the preset temperature: -40°C.

[0061] In practical applications, the tube bundle truck transports hydrogen to the hydrogen refueling station, fills t...

Embodiment 2

[0107] An embodiment of the present invention provides a schematic flowchart of a risk assessment method for hydrogen energy equipment in a hydrogen refueling station. The execution subject of the method in this embodiment may be any electronic device or computer device, and the method in this embodiment may include the following Steps not shown in the diagram:

[0108] S1. The control system obtains a first operating parameter of the compressor by means of a solenoid valve disposed on the compressor, where the first operating parameter includes: pressure, temperature, volume and / or flow;

[0109] The control system obtains the second operating parameter of the hydrogen storage tank by means of a solenoid valve arranged on the hydrogen storage tank, and the second operating parameter includes: pressure, temperature and / or flow;

[0110] The control system obtains the third operating parameters of the hydrogenation machine by means of a control chip in the hydrogenation machine...

Embodiment 3

[0138] The control system in this embodiment may be set in the control room, or may be set in the cloud server. The specific location of the control system is not limited in this embodiment, and the configuration is performed according to actual needs.

[0139] After determining the position information of hydrogen leakage, the control system of this embodiment sends a closing command to the electromagnetic valve or control valve adjacent to the position information, so as to close the equipment or pipeline of hydrogen leakage.

[0140] Further, the control system is also used to obtain the basic attribute parameters of each hydrogen energy device in the hydrogen refueling station, judge the service life of each hydrogen energy device, and determine whether to issue an early warning message for replacing the device.

[0141] It should be noted that the control system of this embodiment may be a control program, which is stored in a memory, and the processor executes the program...

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PUM

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Abstract

The invention relates to a risk assessment method for hydrogen energy equipment in a hydrogen refueling station. The method includes: a control system obtains operating parameters of each hydrogen energy equipment in a hydrogen refueling station, and the operating parameters include: operating parameters of a compressor, a hydrogen storage tank , the operating parameters of the hydrogen refueling machine and the filling gun, as well as the operating parameters of the connecting pipeline between any two adjacent hydrogen energy equipment; the control system is based on the operating parameters of all hydrogen energy equipment and the effectively used hydrogen energy data, According to the hydrogen energy calculation strategy, it is determined whether there is hydrogen leakage in the entire hydrogen refueling station; if there is hydrogen leakage in the control system, the location information of the hydrogen leakage is determined according to the data information of adjacent monitoring points. The method of the invention fully considers availability and reliability, and ensures the safety and reliability of hydrogen energy facilities.

Description

technical field [0001] The invention relates to a safety assessment system, in particular to a risk assessment method for hydrogen energy equipment in a hydrogen refueling station. Background technique [0002] The hydrogen refueling station is the necessary infrastructure for the promotion and application of fuel cell vehicles, and it is also an important part of the hydrogen energy industry. At present, there are more than 200 hydrogen refueling stations in the world with 70MPa hydrogen refueling capacity. However, according to the statistics of the failure types and accident severity of the hydrogen refueling station, the hydrogen refueling machine failure accounted for 35%, and the compressor failure accounted for 21%. Due to its failure, the proportion of hydrogen leakage accidents and nearby accidents has reached more than 50%, and there are great hidden dangers. For the application of compressors and hydrogenation machines, a method of hydrogen safety risk assessmen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/62F17C7/00F17C13/02F17C13/12F17D5/06
CPCF17C7/00F17C13/02F17C13/12F17D5/06F17C2260/04G06F18/2411G06F18/24323G06F18/214Y02E60/32
Inventor 杨武剑
Owner ZHEJIANG UNIV CITY COLLEGE
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