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Automatic Dust Reduction Method of Flour Dust Overrun in Fully Mechanized Mining

A technology for fully mechanized mining face and dust reduction, which is applied in the fields of dust prevention, mining equipment, earthwork drilling, etc. effect of effect

Active Publication Date: 2015-11-18
SHANXI JINCHENG ANTHRACITE COAL MINING GRP CO LTD
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  • Application Information

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Problems solved by technology

[0005] In order to solve the technical problem that the dust reduction effect of the current fully mechanized mining face is not ideal, the present invention provides an automatic dust reduction method for fully mechanized mining working flour dust exceeding the limit

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  • Automatic Dust Reduction Method of Flour Dust Overrun in Fully Mechanized Mining
  • Automatic Dust Reduction Method of Flour Dust Overrun in Fully Mechanized Mining
  • Automatic Dust Reduction Method of Flour Dust Overrun in Fully Mechanized Mining

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Embodiment Construction

[0016] An automatic dust reduction method for flour dust exceeding the limit in fully mechanized mining work, including dust suppression by using a fully mechanized mining face dust suppression system and a shearer dust suppression system, and the fully mechanized mining face dust suppression system includes a distance of 20 + 1m along the arrangement direction of the hydraulic supports, several dust concentration sensors 1 arranged on the hydraulic supports and several first atomizing nozzles 2 arranged on the front beam 12 of each hydraulic support; the first atomizing nozzles 2 are all connected by pipelines There is an electric valve 3; the signal output end of the dust concentration sensor 1 is connected with a central processing unit 4, and the signal output end of the central processing unit 4 is connected with the signal input end of the electric valve 3; the electric valve 3 is connected with the electric valve through a pipeline. The air source and the water source ar...

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Abstract

The invention relates to the field of coal mine ventilation and safety, in particular to a fully mechanized coal mining face dust overrunning automatic dust suppression method. The fully mechanized coal mining face dust overrunning automatic dust suppression method solves the technical problem that the dust suppression effect of the prior fully mechanized coal mining face is not ideal, and comprises the step of conducting dust suppression through a fully mechanized coal mining face dust suppression system and a coal cutter dust suppression system. The fully mechanized coal mining face dust suppression system comprises a plurality of dust concentration sensors arranged on a hydraulic support in the arrangement direction of the hydraulic support according to the gap of 20+1m and a plurality of first atomizer nozzles arranged on the front beams of the hydraulic supports. Electrically operated valves are all connected to the first atomizer nozzles through pipelines. According to the fully mechanized coal mining face dust overrunning automatic dust suppression method, because two dust suppression systems are adopted to conduct dust suppression processing on dust generated in the coal cutting process of a coal cutter, dust suppression effect is greatly improved, working environment of underground personnel is effectively improved, and health and working safety of the personnel are protected.

Description

technical field [0001] The invention relates to the field of coal mine ventilation and safety, in particular to an automatic dust reduction method for fully mechanized mining when flour dust exceeds the limit. Background technique [0002] The fully mechanized mining face is one of the most important sources of dust production in underground coal mines. Because the fully mechanized mining face is the main working place in the underground coal mine, and the personnel are concentrated, the dust problem has become increasingly prominent with the improvement of coal mining mechanization in coal mines. The dust prevention technology and equipment currently used are far from being able to meet the requirements, resulting in underground coal mines, especially in fully mechanized mining, where flour dust generally exceeds the standard seriously, which is very harmful. [0003] At present, the dust reduction technology of the fully mechanized mining face mainly adopts: coal seam wate...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21F5/04E21C35/22
Inventor 牛江江王永革张育恒田书龙辛宪耀董炳文曹雪芹李海涛成国清
Owner SHANXI JINCHENG ANTHRACITE COAL MINING GRP CO LTD
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