Method for controlling hidden disasters in mined-out area

Method for controlling hidden disasters in mined-out area

The invention relates to a method for controlling hidden disasters in a mined-out area, and belongs to the field of coal mine fire control. By adopting a method of spraying a CaCl2 aqueous solution and injecting inert gas in combination with a mode of injecting N2 and the atomized CaCl2 aqueous solu...

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Hauptverfasser: LIU QING, LI BAOPENG, QU FANRUI, LUO GUAN, ZHANG QINGSONG, ZHANG CHUAN, HE SHUANG, WU LEI, XU XIANGBIN, FAN SHULAN, LIU BIAOYI, SHEN LI, LI SHIYI, LIU YU, LI LUCHANG
Format: Patent
Sprache:chi ; eng
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
MINING
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
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creator LIU QING
LI BAOPENG
QU FANRUI
LUO GUAN
ZHANG QINGSONG
ZHANG CHUAN
HE SHUANG
WU LEI
XU XIANGBIN
FAN SHULAN
LIU BIAOYI
SHEN LI
LI SHIYI
LIU YU
LI LUCHANG
description The invention relates to a method for controlling hidden disasters in a mined-out area, and belongs to the field of coal mine fire control. By adopting a method of spraying a CaCl2 aqueous solution and injecting inert gas in combination with a mode of injecting N2 and the atomized CaCl2 aqueous solution in a manner of embedding pipelines in the mined-out area, and through the selection of a casingoutlet area and the arrangement of inner and outer pipe outlets, the conditions in a coal mining area fails to meet the conditions of spontaneous combustion of residual coal and gas explosion finally. Compared with the prevention and control measures which independently consider the spontaneous combustion of the residual coal and the gas explosion in the prior art, the method can give consideration to the contradiction between the prevention and control measures of spontaneous combustion of residual coal and the gas explosion, the effect that one method simultaneously solves two hidden disasters in the mined-out area
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subjects EARTH DRILLING
FIXED CONSTRUCTIONS
MINING
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
title Method for controlling hidden disasters in mined-out area
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