A kind of gas leak detection agent and its preparation method and application

A technology for leak detection agent and gas, applied in the field of gas leak detection agent and its preparation, can solve the problems of large bubble diameter, easy residue, inaccurate location of leak points, etc., and achieves suitable bubble diameter, small residual and good traceability. Effect

Active Publication Date: 2022-06-24
河北华油天然气有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention proposes a gas leak detection agent and its preparation method and application, which solves the problem of inaccurate location of leakage points and easy residues of the gas leak detection agent in the prior art due to its large bubble diameter

Method used

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  • A kind of gas leak detection agent and its preparation method and application
  • A kind of gas leak detection agent and its preparation method and application
  • A kind of gas leak detection agent and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A gas leak detection agent, comprising component A, component B, and component C, and the mass ratio of component A to component B and component C is 39:47:35;

[0035] Component A includes the following components in parts by weight: 30 parts of deionized water, 1 part of n-heptanoic acid, 1 part of dodecanedioic acid, 6.5 parts of triethanolamine, 0.3 part of borate ester, and 0.2 part of benzotriazole ;

[0036] Component B comprises the following components by weight: 45 parts of deionized water, 0.49 part of cocoic acid diethanolamide, 0.07 part of poloxamer 407, and 1.44 part of propylene glycol;

[0037] Component C includes the following components by weight: 30 parts of deionized water, 0.1 part of guar gum, 0.1 part of sodium metasilicate pentahydrate, and 4.8 parts of glycerin;

[0038] Its preparation method comprises the following steps:

[0039] S1. Prepare each component according to the formula of the following gas leak detector:

[0040] S2. Mix the ...

Embodiment 2

[0045] A gas leak detection agent, comprising component A, component B, and component C, and the mass ratio of component A to component B and component C is 68:63:48;

[0046] Component A includes the following components in parts by weight: 45 parts of deionized water, 3 parts of n-heptanoic acid, 3 parts of dodecanedioic acid, 16 parts of triethanolamine, 0.5 part of borate ester, and 0.5 part of benzotriazole ;

[0047] Component B includes the following components by weight: 60 parts of deionized water, 0.9 part of cocoic acid diethanolamide, 0.1 part of Poloxamer 407, and 2 parts of propylene glycol;

[0048] Component C includes the following components by weight: 40 parts of deionized water, 0.5 part of guar gum, 0.5 part of sodium metasilicate pentahydrate, and 7.0 parts of glycerin;

[0049] Its preparation method comprises the following steps:

[0050] S1. Prepare each component according to the formula of the following gas leak detector:

[0051] S2. Mix the deio...

Embodiment 3

[0056] A gas leak detection agent, comprising component A, component B, and component C, and the mass ratio of component A to component B and component C is 50:52.5:41;

[0057] Component A includes the following components in parts by weight: 35 parts of deionized water, 2 parts of n-heptanoic acid, 2 parts of dodecanedioic acid, 10.3 parts of triethanolamine, 0.4 parts of borate esters, and 0.3 parts of benzotriazole ;

[0058] Component B includes the following components by weight: 50 parts of deionized water, 0.63 part of cocoic acid diethanolamide, 0.09 part of Poloxamer 407, and 1.78 part of propylene glycol;

[0059] Component C includes the following components by weight: 35 parts of deionized water, 0.25 parts of guar gum, 0.25 parts of sodium metasilicate pentahydrate, and 5.5 parts of glycerin;

[0060] Its preparation method comprises the following steps:

[0061] S1. Prepare each component according to the formula of the following gas leak detector:

[0062] S...

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Abstract

The invention relates to the technical field of gas leak detection agents, and proposes a gas leak detection agent and its preparation method and application. The gas leak detection agent includes component A, component B and component C, component A and component B, The mass ratio of component C is (39‑68): (47‑63): (35‑48), component A includes the following components by weight: 30‑45 parts of deionized water, 1‑3 n-heptanoic acid part, 1-3 part of dodecanedibasic acid, 6.5-16 part of triethanolamine, 0.3-0.5 part of borate, 0.2-0.5 part of benzotriazole; Component B comprises the following components by weight: 45-60 parts of deionized water, 0.56-1 part of foaming agent, 1.44-2 parts of propylene glycol; component C includes the following components by weight: 30-40 parts of deionized water, 0.1-0.5 parts of guar gum, five 0.1-0.5 parts of sodium metasilicate in water, 4.8-7.0 parts of glycerin. Through the above technical solution, the problem of inaccurate location of leak point and easy residue of the gas leak detection agent in the prior art is solved because of its large bubble diameter.

Description

technical field [0001] The invention relates to the technical field of gas leak detection agents, in particular to a gas leak detection agent and a preparation method and application thereof. Background technique [0002] Gas leakage, especially the leakage of natural gas with methane as the main component, has great hidden dangers. Therefore, the detection of gas leakage parts is particularly important. Gas leak detectors are mainly used for gas leak detection of natural gas pipelines, valves, joints, welds, etc. Existing gas leak detection agents are generally filled in aerosol cans. When checking the leakage situation, the leak detection agent is sprayed to the detected part. If there are bubbles escaping continuously from this part, this part is the leakage point, and it is also a leakage point. It is through the bubble to accurately locate the leak point. [0003] The existing gas leak detectors have the following problems in use: (1) When foaming at the leak point, t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M3/20
CPCG01M3/20
Inventor 柴楠徐兵崔静辉张祎杨晓峰李永亮于凯王海丛李占军常建晓霍世超
Owner 河北华油天然气有限责任公司
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