Anchor rod drilling dust collection device
A technology of dust collection and bolting, which is applied in the direction of construction, etc., can solve the problems of potential safety hazards, affecting the occupational health of workers in the working environment of the excavation working face, and the danger of coal dust explosion, so as to achieve the goal of simple structure, health protection and purification of the working environment Effect
Inactive Publication Date: 2015-01-14
SHANXI LUAN MINING GRP
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Problems solved by technology
A large amount of coal dust generated by drilling bolts not only affects the working environment of the excavation face and the occupational health of workers, but also poses safety hazards, because the suspended coal dust has a potential explosion hazard
Method used
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Embodiment Construction
[0012] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0013] Such as figure 1 , figure 2 As shown, the bolt drilling dust collection device includes a dust collection box 1, a collection bag 2 and a variable diameter pipe 3, the dust collection box 1 is equipped with a collection bag 2, and the top of the dust collection box 1 is provided with an air box 4, and the air A variable diameter pipe 3 is installed in the box 4, and one end of the variable diameter pipe 3 is connected with the compressed air. A pulverized coal filter bag 6 is installed on the outside of the pressure branch pipe 5, and a dust suction pipe 7 is connected to the collection bag 2, and the free end of the dust suction pipe 7 is connected to the dust collection box 8; the outside of the dust collection box 1 is provided with a ground connection line 9 The top of the air box 4 is provided with an air filter 10; the center...
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The invention relates to a dust collection device and particularly provides an anchor rod drilling dust collection device which is simple in structure, convenient to use and capable of effectively reducing dust. The technical scheme for solution includes that a collection bag is mounted in a dust collection box, a variable-diameter pipe is mounted in an air box which is arranged at the top of the dust collection box, one end of the variable-diameter pipe is connected with compressed air, a negative-pressure branch pipe is arranged at a minimum-diameter portion of the variable-diameter pipe and extends into the dust collection box, a coal dust filter bag is mounted outside the negative-pressure branch pipe, a dust suction pipe is communicated with the collection bag, and a free end of the dust suction pipe is communicated with the dust collection box. The anchor rod drilling dust collection device is widely applied to anchor rod drilling.
Description
technical field [0001] The invention designs a dust collection device, specifically a bolt drilling dust collection device. Background technique [0002] Coal mine excavation is prepared to dig a large number of coal seam roadways. The coal roadway in the mining area is affected by the mining and the side of the coal wall, in addition to installing enough roof bolts, it is also necessary to install enough side bolts. When the bolt is driven into the coal seam, a large amount of coal dust will be generated when the bolt hole is drilled. Although wet drilling can prevent the generation of coal dust, wet drilling will greatly reduce the anchoring effect of resin bolts, and it is rarely used in practice. Existing technology is to adopt pneumatic hand-held rock bolter and twist drill rod dry drilling. A large amount of coal dust produced by drilling bolts not only affects the working environment of the excavation face and the occupational health of workers, but also poses safe...
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IPC IPC(8): E21B21/015
CPCE21B21/015
Inventor 王强王俊章王中奎王杰锋张文平李运宏
Owner SHANXI LUAN MINING GRP