Coal seam drilling coal-gas-water separating, conveying and containing device

A technology for coal seam drilling and moisture, which is applied to the device for preliminary separation and inductive transportation of gas and water, and the hydraulic mining of extruded materials for the coal field, achieving the effects of good safety and stability, convenient transportation and safe operation.

Inactive Publication Date: 2013-03-27
淮北矿业股份有限公司工程处 +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there are no relevant targeted devices in China, which makes the

Method used

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  • Coal seam drilling coal-gas-water separating, conveying and containing device
  • Coal seam drilling coal-gas-water separating, conveying and containing device
  • Coal seam drilling coal-gas-water separating, conveying and containing device

Examples

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[0033] Such as figure 1 As shown, the coal, gas, and water separation and delivery device for coal seam drilling and mining includes a dynamic and static combined sealed quick-loading collector, a coal and gas separation conveyor, and a coal and water separator;

[0034] Such as figure 2 As shown, the dynamic and static combined sealed quick-installation collector is connected to the end of the protective hole pipe 1. The collector is provided with a gas extraction port 2, a coal and gas delivery port 5 and a drill hole corresponding to the axial arrangement of the protective hole pipe. , The drill hole is provided with a dynamic and static sealing structure 3 that forms a seal with the drill rod; the dynamic and static sealing structure 3 is composed of a static seal 31 and a dynamic seal 32 from the inside to the outside; Image 6 As shown, the main body of the static seal is composed of a spiral ring 31a arranged in the axial direction of the drill rod. The outer peripheral wa...

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Abstract

The invention provides a coal seam drilling coal-gas-water separating, conveying and containing device, comprising a dynamical-static combined type sealing and rapid mounting collector, a coal-gas separating conveyor, and a coal-water separator, wherein the collector is connected with the tail end of a hole protection tube, and is provided with a gas pump drainage opening, a coal and gas conveying opening and a drilling opening; a sealing structure sealed with a drilling rod is arranged at the drilling opening; the coal-gas separating conveyor is provided with a buffer separator, a coal-water conveying system and a supporting system; the buffer separator is provided with a gas pump drainage opening and an overload discharging door; the coal-water conveying system is a sealed system, and is communicated with the buffer separator through the overload discharging door; an output end of the coal-water conveying system is connected with the coal-water separator through a connection pipe; and the coal-water separator comprises a dewatering system, a conveying system and a supporting system. With the adoption of the coal seam drilling coal-gas-water separating, conveying and containing device provided by the invention, not only can coal, gas and water sprayed out in a drilling process of a de-dusting coal seam be effectively separated, contained and conveyed, so that the efficiency of using drilling on the coal seam can be improved; but also the stronger safe protection can be provided, and the coal seam can be safely drilled.

Description

technical field [0001] The invention relates to a device for preliminary separation of coal, gas and water and inductive transportation of jets from hydraulic mining in the process of hydraulic mining of thin and soft coal seams. Background technique [0002] For thin and soft coal seams, hydraulic mining is an economical, safe and reliable mining method. However, after water injection fracturing, a large amount of coal, water, and gas will be gushed out through the borehole for subsequent coal, water, and gas separation and induction. Transportation and safety guarantees have become urgent issues. At present, there is no relevant targeted device in the country, which makes the hydraulic mining of thin and soft coal seams encounter technical bottlenecks. Contents of the invention [0003] In order to avoid the deficiencies of the prior art, the present invention provides a coal seam drilling coal, gas, and water separation and delivery device, which can not only effective...

Claims

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Application Information

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IPC IPC(8): E21B43/34E21F7/00
Inventor 许绍明程远平何佰稳秦小坤陈玲余根海沐俊卫张晓磊
Owner 淮北矿业股份有限公司工程处
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