Pressure relief method applicable to filling conducted at filling station

A filling station and system pressure technology, which is applied in the direction of container filling method, container discharge method, pressure vessel, etc., can solve the problems of low reliability of safety detection and control technology, insufficient supporting technology, complicated unloading technology route, etc. , to achieve the effect of reducing personnel cost output, reasonable design, and reducing workstations

Inactive Publication Date: 2018-03-06
周晶
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Liquefied natural gas vehicles are a new type of environmentally friendly vehicles with strong practicability and high technical requirements. There are still some technical deficiencies when unloading vehicles. Large, the safety detection and control technology is not reliable, the cost is high, and it is difficult to promote

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] This embodiment provides a pressure relief method for filling at a filling station, characterized in that: the pressure relief method for filling at a filling station includes the following steps:

[0013] First, the intelligent control switchboard sets the upper and lower limits of system pressure;

[0014] Then, when the system pressure is greater than the set pressure upper limit, the intelligent control switchboard automatically opens the safety valve in the system to release the gas in the system;

[0015] Finally, when the system pressure is lower than the set pressure lower limit, the intelligent control switchboard automatically closes the safety valve in the system and stops releasing the gas in the system.

[0016] The liquid outlet of the general liquid storage tank of the system is provided with a pressurized vaporizer.

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PUM

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Abstract

A pressure relief method when filling at a filling station, characterized in that: the pressure relief method when filling at a filling station includes the following steps: first, the intelligent control switchboard sets the upper limit and lower limit of the system pressure; Then, when the system pressure is greater than the set pressure upper limit, the intelligent control switchboard automatically opens the safety valve in the system to release the gas in the system; finally, when the system pressure is lower than the set pressure lower limit value, the intelligent control switchboard automatically closes The safety valve in the system stops releasing the gas in the system; the liquid outlet of the total liquid storage tank of the system is equipped with a booster vaporizer. The advantages of the present invention: the method for releasing pressure at the filling station according to the present invention has the advantages of simple process flow, reasonable design, simple operation, intelligent control, reduced work positions, low technical requirements for personnel, reduced personnel cost output, and economic benefits Good, safe and reliable and so on.

Description

technical field [0001] The invention relates to the technical field of truck unloading at a filling station, in particular to a pressure relief method during filling at a filling station. Background technique [0002] Liquefied natural gas vehicles are a new type of environmentally friendly vehicles with strong practicability and high technical requirements. There are still some technical deficiencies when unloading vehicles. Large, the reliability of safety detection and control technology is not high, the cost is high, and it is difficult to promote. Contents of the invention [0003] The object of the present invention is to solve the above-mentioned existing technical problems, and especially provides a pressure relief method when filling at a filling station. [0004] The present invention provides a pressure relief method for filling at a filling station, characterized in that: the pressure relief method for filling at a filling station includes the following steps:...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17C7/04F17C13/02
CPCF17C7/04F17C13/025F17C2221/033F17C2223/013F17C2225/0123F17C2250/0626F17C2265/061
Inventor 周晶
Owner 周晶
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