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Coal mine gas explosion burst treatment method and its matched gas dissolving and elimineting agent

A coal mine gas and desolvent technology, which is applied in mining equipment, earthwork drilling, safety devices, etc., to achieve the effects of harmlessness to the human body, convenient operation, and broad application prospects

Inactive Publication Date: 2005-06-08
洛阳保矿安矿山设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Yeast, more preferably yeast powder

Method used

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  • Coal mine gas explosion burst treatment method and its matched gas dissolving and elimineting agent

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Experimental program
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Effect test

Embodiment 1

[0032] In the first embodiment, the method for controlling outburst of coal mine gas explosion according to the present invention is: on March 29, 2003, water was injected at face A. The working surface specifications are: 2.2 meters high, 2.4 meters wide at the top, and 3 meters wide at the bottom. Punch a total of 5 holes, the hole numbers are A, B, C, D, E. The gas concentration in hole A is 96% before the gas dissolver is injected, and the gas ejection rate is 12 cubic meters per hour. After the gas dissolver is injected, the gas concentration is 18% and the gas ejection rate is 0.5 cubic meters per hour. The amount of gas dissolving agent injected into a single hole is 5Kg. 0.2-0.5% behind the gun gas in the tunneling face. The effect of hole B, hole C, hole D and hole E is the same. The gas dispersant used in the method of the invention is an aqueous solution of vinegar and yeast powder. The acetic acid content in vinegar is 3.5%, and the weight ratio of vinegar converted to...

Embodiment 2

[0033] The second embodiment of the present invention is that the coal mine gas explosion outburst treatment method of the present invention is: water injection at working face B at 10 o'clock on April 3, 2003, the tunnel specifications of the driving face are the same, and the gas in the hole A is 94% before the gas dissolving agent is injected. Convás 94%, C Convás 96%, D Convás 95%, E Convás 93%. The gas output of hole A is 21.2 cubic meters / hour, the gas output of hole B is 22.4 cubic meters / hour, the gas output of hole C is 18 cubic meters / hour, and the gas output of hole D is 19.5 cubic meters / hour. Hour, the gas emission of E hole is 21.7 cubic meters / hour. After injecting gas dissolving solvent water, the gas concentration of hole A is 19%, and the gas is sprayed out by 0.9 cubic meters. The gas concentration in hole B is 19%, and the gas ejected is 0.95 cubic meters. C hole gas concentration is 18.5%, gas emission is 0.75 cubic meters. D hole gas concentration is 19.7%, g...

Embodiment 3

[0034]The third embodiment, the method for treating coal mine gas explosion outburst according to the present invention is: the test record of the C working face at 2 o'clock on April 3, 2003 is as follows: A hole is injected with gas dissolvent, B hole is injected with water without gas dispellant, C hole is injected Gas dissolving agent, D hole injection water without gas dissolving solvent, E hole injection gas dissolving solvent. The gas concentration of A, C, E hole before gas dissolving is 90-97%. After the gas dissolving agent is injected, the gas concentration is 17-20%. A hole, C hole, E hole before the gas dissolving agent, the gas ejection volume is 25-18 cubic meters, and the gas ejection volume is 0.5-0.9 cubic meters after the gas dissolving process is injected. The amount of gas emitted from hole B and hole D is 25-18 cubic meters before water injection, and 24-17 cubic meters after water injection. The amount of gas dissolving agent injected into a single hole is 5...

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Abstract

This invention relates to a method and a gas dissolvant for the frequent gas explosions in coal mine. Its procedures are as following: the gas dissolvent and water are poured in turn into the coal seams containing gas. The gas dissolvent is a kind of water solution made up of acetum and yeast which selective weight ratio is 1000:5-15. The acetum is preferred to be replaced by vinegar of the same acetum. After the vinegar is added into the yeast, their dehydro-ratio is 2-8 times as heavy as the vinegar. The advantages are safety efficient, more feasible and harmless to human body.

Description

Technical field [0001] The invention relates to a coal mine gas treatment technology, in particular to a coal mine gas explosion outburst treatment method and a matched gas dissolving solvent. Background technique [0002] There are five major disasters in coal mines: water, fire, electricity, gas, and roof. In particular, gas explosions have the most serious casualties and the most terrible. However, since the beginning of coal mines in our country, no one has been able to control the high concentration of gas in the coal mines. This is an invaluable loss to our coal miners and national property. No one has been able to fill this scientific and technological gap for many years. [0003] At present, my country's coal mine gas control methods include: [0004] 1. Mainly ventilation: for coal miners to work normally underground. First of all, it is mainly based on ventilation, which has two advantages: (1), reducing the gas concentration in the well. (2) The fresh air from the well...

Claims

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Application Information

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IPC IPC(8): E21F5/00
Inventor 高传友
Owner 洛阳保矿安矿山设备有限公司
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