Method for linkage test of gas and dust control effect of coal seam water injection

Method for linkage test of gas and dust control effect of coal seam water injection

The invention discloses a method for linked testing of gas and dust control effect of coal seam water injection. The method specifically comprises the following steps: (1) designing equipment for testing the gas and dust control effect of coal seam liquid injection; (2) preparing a coal sample; (3)...

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Hauptverfasser: YUE JIWEI, YIN GUOQING, LI HUAIBIN, LYU ZHENWEI, SHAO HENGWEI, SHI BIMING, MA YANKUN, ZHANG LEILIN, SHEN XIAOJING, YANG KEXIN
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Sprache:chi ; eng
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INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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creator YUE JIWEI
YIN GUOQING
LI HUAIBIN
LYU ZHENWEI
SHAO HENGWEI
SHI BIMING
MA YANKUN
ZHANG LEILIN
SHEN XIAOJING
YANG KEXIN
description The invention discloses a method for linked testing of gas and dust control effect of coal seam water injection. The method specifically comprises the following steps: (1) designing equipment for testing the gas and dust control effect of coal seam liquid injection; (2) preparing a coal sample; (3) loading the coal sample; (4) air tightness testing; (5) calibrating dead volume; (6) vacuumizing; (7) filling methane, and calculating the gas adsorption amount of the coal sample per unit mass; (8) injecting liquid, and calculating to obtain the residual gas amount of the coal sample per unit mass; (9) drilling to produce dust, and detecting coal dust concentration and coal dust particle size distribution; (10) repeating the steps (2)-(9), and changing the loading stress, the adsorption equilibrium pressure, the liquid injection amount or the liquid injection pressure; and (11) comprehensively evaluating the liquid injection of the coal seam. According to the invention, similar simulation of underground coal seam
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
title Method for linkage test of gas and dust control effect of coal seam water injection
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