Liquefied natural gas dispenser calibrating device and method

A technology of liquefied natural gas and verification devices, applied in mechanical equipment, gas/liquid distribution and storage, pipeline systems, etc., can solve problems such as human injury, achieve the effects of preventing leakage, stabilizing data communication, and preventing damage

Inactive Publication Date: 2017-05-10
邢台中测仪器设备有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In addition, the current verification methods all require manual operation, and because liquefied natural gas is low temperature, it is easy to cause damage to the human body

Method used

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  • Liquefied natural gas dispenser calibrating device and method
  • Liquefied natural gas dispenser calibrating device and method
  • Liquefied natural gas dispenser calibrating device and method

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Embodiment Construction

[0048] Such as Figure 1-6As shown, the present invention is used to verify the accuracy of the filling volume of the liquefied natural gas dispenser, including the insulation pipeline 2, the insulation pipeline 2 includes a hose connection transition pipeline 30, and the insulation pipeline 2 includes a hard pipe pipeline 31 or The heat preservation pipeline 2 includes a hard pipe pipeline 31 and a hose connection transition pipeline 30 connected with the hard pipe pipeline 31;

[0049] Insulation pipeline 2 specifically (hose connection transition pipeline 30, hard pipe pipeline 31 or hard pipe pipeline 31 and hose connection transition pipeline 30 connected to hard pipe pipeline 31) includes an outer wall layer and an outer wall layer The vent channel 13 inside and communicated with the gas filling gun 1 of the LNG filling machine is provided with a vacuum layer 9 in the outer wall layer.

[0050] Such as image 3 As shown, in the hard pipe pipeline 31: between the vacuum...

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PUM

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Abstract

The invention relates to a liquefied natural gas dispenser calibrating device and method used for calibrating the gas dispensing amount precision of a liquefied natural gas dispenser. The device comprises an insulating pipeline. The insulating pipe comprises a hose connecting transition pipeline, the insulating pipeline comprises a hard pipeline, or the insulating pipeline comprises a hard pipeline and a hose connecting transition pipeline connected with the hard pipeline. The liquefied natural gas dispenser calibrating device and method are reasonable in design, compact in structure and convenient to use.

Description

technical field [0001] The invention relates to a verification device and method for a liquefied natural gas dispenser. Background technique [0002] At present, the verification device of LNG dispenser (hereinafter referred to as the verification device) is used to test the measurement accuracy and repeatability of compressed natural gas dispenser. Through the test data, the verification system can print out the verification record or the measurement certificate. [0003] The existing verification methods all use wired connections, which are troublesome in laying lines, have problems of static electricity and leakage, require explosion-proof treatment, and have poor system scalability. [0004] In addition, the current verification methods all require manual operation, and because liquefied natural gas is low temperature, it is easy to cause damage to the human body. [0005] In addition, the existing pipelines have poor thermal insulation, especially in summer, which wil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17D1/04F17D3/01F17D3/18F17D5/00
CPCF17D1/04F17D3/01F17D3/18F17D5/005
Inventor 毕军为毕旭宾李涛徐少军
Owner 邢台中测仪器设备有限公司
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