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[1]王法凯,江玉祥,张士伟,等.煤巷掘进工作面煤层注水防尘的试验研究[J].中国安全生产科学技术,2013,9(8):64-67.[doi:10.11731/j.issn.1673-193x.2013.08.012]
　WANG Fa kai,JIANG Yu xiang,ZHANG Shi wei,et al.Experimental study on dust removal with irrigating in coal tunnel excavating head[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2013,9(8):64-67.[doi:10.11731/j.issn.1673-193x.2013.08.012]
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煤巷掘进工作面煤层注水防尘的试验研究
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
9
期数:
2013年8期
页码:
64-67
栏目:
职业安全卫生管理与技术
出版日期:
2013-08-30

文章信息/Info

Title:
Experimental study on dust removal with irrigating in coal tunnel excavating head
文章编号:
20130812
作者:
王法凯; 江玉祥; 张士伟; 李连军; 齐宝勇
(山东能源集团贵州矿业公司, 贵州贵阳550000)
Author(s):
WANG Fakai;  JIANG Yuxiang;  ZHANG Shiwei;  LI Lianjun;  QI Baoyong
(Shandong Energy Group Guizhou Mining Group CLD, Guiyang Guizhou 550000, China)
关键词:
煤巷掘进头; 注水除尘; 呼吸性尘; 全尘
Keywords:
coal tunnel excavating head;  dust removal with irrigating;  respirable dust;  entire dust
分类号:
X936
DOI:
10.11731/j.issn.1673-193x.2013.08.012
文献标志码:
A
摘要:
在公司某煤矿一综掘工作面进行现场实验，设计了若干深10m直径42mm注水钻孔，注水压力26-32MPa，时间为15h；而后取芯进行湿润效果检验，注水后降尘效果检验和沿程粉尘浓度、综合降尘效果分析，结果表明：掘进进尺24 m处各个测尘点粉尘浓度都是最低；全尘的降尘率比呼吸性粉尘总体高些；注水后全尘浓度比注水前下降快
Abstract:
A field experiment was conducted at the working surface of synthesis mechanization tunneling in a coal mine. Some injection drillings with 10m depth and 42mm diameter were designed， the injection pressure was 26MPa - 32MPa and the time was 15h. Then the cores were taken from the coal to carry on the moist validity check， the falling dust validity check, and dust loading along the way and synthesis falling dust effect analysis after the irrigation. The results showed that each measuring dust point is the lowest dust concentration in the places where the the tunneling footage are 24 m; the falling dust rate of entire dust is overall high compared with that of breath dust; After injection, the concentration of entire dust fall faster than that before injection.

参考文献/References:

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更新日期/Last Update: 2013-09-11