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Mining roadway protection treatment method

A technology of roadway and protective agent, applied in mining equipment, tunnels, tunnel linings, etc., can solve the problems of inconvenient construction, complicated methods, affecting coal quality, etc., and achieve the effect of simple construction, few steps, and reducing roadway accidents.

Pending Publication Date: 2022-03-29
麻阳华森矿业有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The roadway section filling method is complicated and inconvenient for construction, and the roof shotcrete material and roadway filling material are easily mixed into the coal flow of the working face and affect the coal quality.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment one: a kind of method for mining roadway protective treatment, the method for this mining roadway protective treatment comprises the following steps:

[0023] A: Preparation of protective material: the material is composed of 30-40 parts of 40% vinyl chloride-vinyl isobutyl ether copolymer resin solution, 5-10 parts of concrete protective agent, 5-10 parts of solvent, wetting and dispersing agent A uniform dispersion of 0.5-1 parts, 0.1-0.5 parts of thixotropic agent, and 10-20 parts of filler;

[0024] B: Irrigate the roadway wall: spray water on the roadway wall through the water pipe and nozzle to make it evenly spray;

[0025] C: dry; the roadway wall after spraying dries naturally, and the time is 12-24 hours;

[0026] D: spraying; use a spraying machine to evenly spray the protective material to the roadway surface;

[0027] E: Fast air drying: set up a fan at the entrance of the roadway to speed up the air flow in the roadway;

[0028] F: set the ro...

Embodiment 2

[0030] Embodiment two: a kind of method for mining roadway protective treatment, the method for this mining roadway protective treatment comprises the following steps:

[0031] A: Preparation of protective material: the material is composed of 35 parts of 40% vinyl chloride-vinyl isobutyl ether copolymer resin solution, 8 parts of concrete protective agent, 8 parts of solvent, 0.8 part of wetting and dispersing agent, thixotropic agent A uniform dispersion of 0.2-0.4 parts and 15 parts of filler;

[0032] B: Irrigate the roadway wall: spray water on the roadway wall through the water pipe and nozzle to make it evenly spray;

[0033]C: dry; the roadway wall after spraying dries naturally, and the time is 16 hours;

[0034] D: spraying; use a spraying machine to evenly spray the protective material to the roadway surface;

[0035] E: Fast air drying: set up a fan at the entrance of the roadway to speed up the air flow in the roadway;

[0036] F: set the roadway roof protectio...

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PUM

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Abstract

The invention discloses a mining roadway protection treatment method. The mining roadway protection treatment method comprises the following steps that A, a protection material is prepared; b, the roadway wall is irrigated; c, airing; d, spraying is conducted; e, rapid air drying; f, a roadway top protecting net device is arranged; g, arranging a roadway supporting device; according to the mining roadway protection treatment method, the steps are few, construction is easy, the top of the roadway is protected through the top protection net device, the side wall of the roadway is supported and protected through the supporting device, and the concrete roadway wall of the inner wall of the roadway is sprayed through a novel spraying material, so that the roadway has good strong acid and alkali resistance, salt mist resistance and aging resistance, and the service life of the roadway is prolonged. And the mining roadway is protected through triple protection, so that the occurrence of roadway accidents is effectively reduced.

Description

technical field [0001] The invention relates to the field of mining, in particular to a method for protection and treatment of mining tunnels. Background technique [0002] With the gradual deterioration of coal mining conditions, more and more roadways have experienced complex conditions such as complex structures, deep high stress, weakness, and mining, and the support has become increasingly difficult. Affected by the mechanical characteristics of coal and rock and mining, many roadways have strong mine pressure, which is manifested in the area near the front of the roadway excavation or the area affected by dynamic pressure. The main process of roadway surrounding rock deterioration is that the shallow surrounding rock and surface of the roadway are repeatedly affected by dynamic load shock waves, and then they are destroyed layer by layer, broken, and expanded, which leads to the failure of the support structure, and then the roadway Large deformation occurs and the su...

Claims

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Application Information

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IPC IPC(8): E21D11/10E21D11/15E21D20/00C09D127/06C09D7/61C09D7/65C09D5/18
CPCE21D11/10E21D11/152E21D20/00C09D127/06C09D7/61C09D7/65C09D7/70C09D5/18C08L2201/02C08L91/00C08K7/26C08K3/346
Inventor 王平高峰初明李泽伏王宏远
Owner 麻阳华森矿业有限责任公司