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Gas Drainage Hole Packer

2021-08-03

1. Gas drainage hole sealing device
Purpose: coal body water injection, gas drainage gas.
Ii. Functions:
1. Water enters the coal body, releases some gas, and effectively reduces the gas content in the coal body.
2. After water injection achieves the effect, dust can be reduced by more than 80%, workers' working environment can be improved, and dust explosion accidents can be prevented.
3, wet coal, reduce pyrotechnics products, reduce costs, increase workers' sense of security;
4. Play an anti-outburst effect, effectively release the in-situ stress and gas pressure, eliminate the occurrence of coal cutting outburst accident;
5. It solves the problem of gas exceeding limit when cutting coal mine and preventing sudden drilling, and can effectively prevent coal and gas outburst and explosion.
Iii. Structure:
The sealing device is composed of high pressure rubber expansion hose, intermediate steel pipe, sliding sealing joint and injection pressure joint.
Four, note:
The feeding and sealing hole and the recycling and sealing hole are strictly prohibited to operate with pressure.

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