Large-dip-angle three-soft coal seam shallow deep hole water injection dustproof construction method

Large-dip-angle three-soft coal seam shallow deep hole water injection dustproof construction method

The invention belongs to the technical field of coal seam tunneling construction. The invention discloses a large-dip-angle three-soft coal seam shallow-deep hole water injection dustproof construction method which comprises a shallow hole water injection construction process and a deep hole water i...

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Hauptverfasser: ZHANG JUNSHU, YANG ZHANBIAO, HAN TAIRAN, LI LIUQIN, WAN SHULUN, GUO SAIWEN, CUI JUNCHAO, ZHAO QIUPEI
Format: Patent
Sprache:chi ; eng
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EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
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creator ZHANG JUNSHU
YANG ZHANBIAO
HAN TAIRAN
LI LIUQIN
WAN SHULUN
GUO SAIWEN
CUI JUNCHAO
ZHAO QIUPEI
description The invention belongs to the technical field of coal seam tunneling construction. The invention discloses a large-dip-angle three-soft coal seam shallow-deep hole water injection dustproof construction method which comprises a shallow hole water injection construction process and a deep hole water injection construction process. The shallow hole water injection construction technology specifically comprises the steps that shallow holes are constructed in the upper half section range of a working face open-off cut in the trend direction, the first shallow hole is formed in the position away from the working face air way lower coal wall by a certain distance, and other shallow holes are formed in a single row in the inclined direction of a coal seam; performing hole sealing and water injection operation on each shallow hole; the deep hole water injection construction technology specifically comprises the steps that deep holes are constructed in a working face air way in the coal seam inclination direction, the
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subjects EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
title Large-dip-angle three-soft coal seam shallow deep hole water injection dustproof construction method
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