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Simple type differential pressure gas source collection and output method and device

An output method and differential pressure technology, which can solve the problems of gas leakage, air bag rupture, complicated operation, etc. by detecting the appearance of fluid at the leakage point, measuring devices, instruments, etc., to ensure safety, easy to carry, small size effect

Inactive Publication Date: 2016-07-06
肖栋
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The bag body has the following problems in sampling and gas output. 1) Gas sampling requires the use of a manual or electric gas sampler, which is complicated to operate and has the potential danger of gas leakage; 2) The gas sample output needs to be carried out by a vacuum pump. For extraction, corrosive gas or explosive gas needs to be completed with a special pump body, which requires a large investment and many safety hazards; 3) It is not suitable to observe the rupture of the air bag, which is a potential danger to the storage and transportation of gas samples

Method used

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  • Simple type differential pressure gas source collection and output method and device
  • Simple type differential pressure gas source collection and output method and device

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Experimental program
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Effect test

Embodiment 1

[0025] Gas collection method:

[0026] 1) The air bag is originally in a vacuum state, the air bag is stacked into a flat shape, the gas input / output port is opened to seal, and the sampling tube is connected;

[0027] 2) Pull the bottom of the sampling device, and under the action of pressure difference, the sampling gas is slowly injected into the air bag;

[0028] 3) Complete the gas collection, separate the sampling tube, and reseal the gas input / output port;

[0029] 4) If long-term storage or long-distance transportation is required, open the positive pressure gas output control port and inject a colored leak detection liquid, which is convenient for visual leak detection.

[0030] Gas output method:

[0031] 1) Open the positive pressure gas output control port and connect the fluid control pump;

[0032] 2) Open the gas input / output port and connect the gas flow rate controller;

[0033] 3) Disconnect the connecting buckle connecting the shell and the airbag;

[0...

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Abstract

The invention discloses a simple type differential pressure gas source collection and output method and device, and belongs to the convenient, rapid, controllable and active environment field gas source collection and output.The device is a necessary device achieving gas collection and programmable output flow speed.A traditional gas collection device has the defects that the size is large, matched devices are needed, carrying is not convenient, gas collection is greatly affected by environment and manual operation, and the gas output stability is poor.According to a combined type collection bag, gas at the target position can be more accurately collected, and it is ensured that the device can output stable and reliable gas flow meeting the requirement of the flow speed of gas on any conditions due to the feedback output method.The device is simple and thin in the initial state, and is convenient to carry and transport; after gas is collected, an anti-pricking protective layer is arranged, and the reliable protective capacity is achieved.The more novel design method is adopted, and the novel thought and method are provided for simplifying various gas collection and measuring devices.

Description

technical field [0001] The invention relates to a simple differential pressure gas source collection and output method and equipment, belonging to the application field of gas collection, transportation and analysis. Background technique [0002] At present, conventional gas sampling mostly uses plastic film sampling bags. The bag body has the following problems in sampling and gas output. 1) Gas sampling requires the use of a manual or electric gas sampler, which is complicated to operate and has the potential danger of gas leakage; 2) The gas sample output needs to be carried out by a vacuum pump. For extraction, corrosive gas or explosive gas needs to be completed with a special pump body, which requires a large investment and many safety hazards; 3) It is not suitable to observe the rupture of the air bag, which is a potential danger to the storage and transportation of gas samples. The patent of the present invention utilizes the double structure to fully solve this pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/22G01M3/22
CPCG01N1/22G01M3/227
Inventor 肖栋肖艳
Owner 肖栋
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