Cyclone foam integrated drilling and dust removing device and using method thereof

A technology of dust removal device and cyclone dust collector, which is applied in the direction of measuring device, safety device, earthwork drilling and mining, etc. It can solve the problems of poor slag discharge conditions, uneven mixing of wind and water, difficulty in controlling the pressure of wind and water volume, etc., and achieves simple and easy construction performance, improved dust removal efficiency, intelligent and efficient dust removal effect

Pending Publication Date: 2020-08-14
XIANGTAN UNIV
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The wet dedusting device has disadvantages such as poor slag discharge conditions at the bottom of t

Method used

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  • Cyclone foam integrated drilling and dust removing device and using method thereof
  • Cyclone foam integrated drilling and dust removing device and using method thereof
  • Cyclone foam integrated drilling and dust removing device and using method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] In a coal and gas outburst mine, the absolute emission of mine gas is 58.85m 3 / min, the relative gas emission is 32.29m 3 / t. The mine adopts vertical shaft development, single-level downhill mining, the elevation of the main wellhead is +37.5m, the production level elevation is -850m, and the mining depth is about 930m. The maximum gas pressure of the coal seam is 9.2MPa (elevation -973.7m). Gas disaster management is very difficult.

[0056] The above cyclone foam integrated drilling dust removal device specifically includes the following steps:

[0057] Step 1. Put the air pressure hole sealer into the drill hole and start to inflate. Inflate until you can’t directly press it manually. The source of inflating gas is the downhole compressed air system. The general inflation pressure is 0.2-0.3MPa. Then connect the input port of the coal dust treatment device and the hole sealing device by the dust delivery connecting pipeline;

[0058] Step 2. After turning on t...

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Abstract

The invention discloses a cyclone foam integrated drilling and dust removing device and a using method thereof, and belongs to the technical field of mine drilling and dust removing. The device comprises an orifice dust exhaust unit and a secondary treatment and recovery unit, wherein the orifice dust exhaust unit is used for removing large-particle-size dust generated in the drilling process, thesecondary treatment and recovery unit comprises a gas amplification mechanism, a cyclone dust collector, a spray dust collector and a laser dust measuring mechanism, the gas amplification mechanism is located on a pipeline connected between the orifice dust exhaust unit and the cyclone dust collector, the cyclone dust collector comprises a container body, the lower half part of the container bodyis conical, the upper half part of the container body is inverted conical, and airflow subjected to cyclone treatment is exhausted through a gas outlet. According to the device, dust is captured according to the principles of centrifugation and foam dust removal, the cyclone dust collector and the spray dust collector are used for dust removal, an optical sensor is used for regulating and controlling work of a foam generator, and convenient, intelligent and efficient dust removal can be achieved.

Description

technical field [0001] The invention belongs to the technical field of mine drilling dust removal, and in particular relates to a dust removal device. Background technique [0002] In the process of coal mining, gas drainage drilling is often used to reduce accidents, and drilling operations are inevitable. In addition, it also includes drilling to prevent rockbursts, drilling bolts, etc. During the drilling operation, a large amount of dust is generated, which pollutes the production environment and damages the physical and mental health of employees. It is also very easy to cause coal dust combustion and explosion hazards, which seriously threaten coal mine production and the safety of employees. [0003] At present, the more commonly used dust removal devices have the characteristics of complex structure, polluted work space, difficult maintenance, and low dust removal efficiency. Generally speaking, two types of dust removal devices are mainly used in drilling operation...

Claims

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Application Information

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IPC IPC(8): E21B21/015E21B21/07E21B33/03E21F7/00E21B37/00G01N15/06
CPCE21B21/015E21B21/07E21B33/03E21B37/00E21F7/00G01N15/06G01N2015/0693
Inventor 张孝强杨丽张武林李旭尹江江胡博林潘园园
Owner XIANGTAN UNIV
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