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Quick leaking stoppage method for flange coupling portions of gas extraction pipelines and device used with quick leaking stoppage method

A technology for gas extraction and leakage plugging methods, which is applied in the direction of pipes/pipe joints/pipes, pipe components, mechanical equipment, etc., can solve problems such as special structure, and achieve the effects of simple processing, simple operation and convenient carrying.

Active Publication Date: 2015-05-06
CHINA COAL TECH & ENG GRP CHONGQING RES INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the special structure of the flange connection, there is no ideal method.

Method used

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  • Quick leaking stoppage method for flange coupling portions of gas extraction pipelines and device used with quick leaking stoppage method
  • Quick leaking stoppage method for flange coupling portions of gas extraction pipelines and device used with quick leaking stoppage method
  • Quick leaking stoppage method for flange coupling portions of gas extraction pipelines and device used with quick leaking stoppage method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Such as figure 1 , figure 2 , image 3 with Figure 4 As shown, the supporting device for plugging the flange connection part of the gas drainage pipeline includes the glue injection bolt 1 and the glue injection joint 2,

[0032] The glue injection bolt 1 includes a bolt head 3 and a bolt shank 4, the lower half of the glue injection bolt shank 4 is a threaded section, the upper half is a smooth surface, and the center of the upper half of the bolt shank is provided with a guide cavity 5, The bolt head 3 is provided with a screw hole 6 communicating with the diversion chamber 5, and the side wall of the diversion chamber 5 is provided with a diversion hole 7 communicating with the outside world;

[0033] The injection joint 2 includes a valve 8, a conduit 9 connected to one end of the valve 8, the free end of the conduit 9 is provided with a threaded section 10 matching the screw hole 6, and a conduit 9 connected to the other end of the valve 8. Injection hose joi...

Embodiment 2

[0042] The cloth tape in embodiment 1 can be changed into other colors, and A band and B band can also be impregnated respectively other solutions that can prepare polyurethane, as polycaprolactone polyol and 2,2,4-trimethylhexamethylene diisocyanate etc. .

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Abstract

The invention discloses a device for leaking stoppage for flange coupling portions of gas extraction pipelines. The device comprises a glue injection bolt and a glue injection joint, the glue injection bolt comprises a bolt head and a bolt rod, the lower portion of the glue injection bolt is provided with a threaded section while the upper portion of the glue injection bolt is unthreaded, the center of the upper half portion of the bolt rod is provided with a guide cavity, the bolt head is provided with a threaded hole communicated with the guide cavity, and the side wall of the guide cavity is provided with a guide hole communicated with the outside. The glue injection joint comprises a valve, a guide pipe connected with one end of the valve, and a glue injection hose joint connected with the other end of the valve, wherein a free end of the guide pipe is provided with a threaded section matched with the threaded hole. The device is simple in structure and convenient to operate, using a leaking stoppage method of the device can efficiently solve the problem of gas leakage of extraction pipes for one time, and the device is suitable for the field of gas extraction.

Description

technical field [0001] The invention belongs to the field of gas drainage, in particular to a quick plugging method and a matching device for flange connection parts of gas drainage pipelines. Background technique [0002] my country is the country with the most severe mine gas disasters in the world, and the total number of gas disasters accounts for about half of the total number of coal mine disasters. An important technical means in mine gas control is pre-mining coal seam pre-extraction, that is, through the construction of several pre-drainage boreholes in the coal seam, so as to reduce the gas content of the coal seam and ensure the safe recovery of the mine working face. At the same time, as a new energy source, gas has gradually become an important part of changing the world's energy structure. In recent years, the amount of gas drainage in my country's coal mining areas has increased rapidly, but the average gas drainage rate of coal mines in the country is only a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L55/168
Inventor 胡千庭张志刚周厚权杜子健杨利平王建伟申凯马代辉
Owner CHINA COAL TECH & ENG GRP CHONGQING RES INST CO LTD
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