|本期目录/Table of Contents|

[1]韩颖,宋德尚.低渗煤层高压水射流割缝增透技术试验研究[J].中国安全生产科学技术,2014,10(12):35-39.[doi:10.11731/j.issn.1673-193x.2014.12.006]
　HAN Ying,SONG De-shang.Experimental study on permeability improvement technology by cutting seam using high pressure water jet in coal seam with low permeability[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2014,10(12):35-39.[doi:10.11731/j.issn.1673-193x.2014.12.006]
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低渗煤层高压水射流割缝增透技术试验研究
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
10
期数:
2014年12期
页码:
35-39
栏目:
学术论著
出版日期:
2014-12-31

文章信息/Info

Title:
Experimental study on permeability improvement technology by cutting seam using high pressure water jet in coal seam with low permeability
作者:
韩颖1; 2; 宋德尚1
(1河南理工大学 能源科学与工程学院，河南焦作454000； 2河南省瓦斯地质与瓦斯治理重点实验室—省部共建国家重点实验室培育基地，河南焦作454000）
Author(s):
HAN Ying1; 2;  SONG De-shang1
1. School of Energy Science and Engineering, Henan Polytechnic University, Jiaozuo Henan 454000, China; 2. State Key Laboratory Cultivation Base for Gas Geology and Gas Control (Henan Polytechnic University), Jiaozuo Henan 454000, China)
关键词:
低渗煤层; 高压水射流; 割缝; 增透; 瓦斯抽采
Keywords:
coal seam with low permeability;  high pressure water jet;  cutting seam;  permeability improvement;  gas drainage
分类号:
X936
DOI:
10.11731/j.issn.1673-193x.2014.12.006
文献标志码:
A
摘要:
霍尔辛赫煤矿为高瓦斯矿井，3号煤层为较难抽放煤层，如何有效增加3号煤层透气性、提高瓦斯抽采效果，成为矿方亟需解决的问题。为此，采用自主研发的瓦斯抽采孔水力作业机，开展了低渗煤层高压水射流割缝增透抽采瓦斯技术试验研究。研究表明：经高压水射流割缝后，瓦斯抽采钻孔的平均抽采浓度增加387~931倍，平均抽采纯量增加267~733倍，增透效果显著；割缝钻孔出煤量为23~34 t，使钻孔周围煤体地应力得以有效释放，这也正是瓦斯抽采效果显著提高的主要原因。
Abstract:
Huoerxinhe Mine is a high gas coal mine, and the No.3 coal seam is difficult to drainage. How to effectively increase the permeability of No.3 coal seam and improve gas drainage effect have become the problem which needs to be solved as soon as possible. Therefore, by applying the self-developed gas drainage hole hydraulic machine, the experimental study on permeability improvement technology by cutting seam using high pressure water jet in coal seam with low permeability was carried out. It showed that after cutting seam using high pressure water jet, the average drainage concentration of gas increased by 3.87~9.31 times, the average drainage pure quantity increased by 2.67~7.33 times, and the effect of permeability improvement was remarkable. The coal output of cutting seam borehole was 2.3~3.4 t, which made the stress of coal body around the borehole can be effectively released, which is the main reason for the obvious increase of gas drainage effect.

参考文献/References:

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备注/Memo

备注/Memo:
河南省基础与前沿技术研究计划项目（132300410120）；河南省瓦斯地质与瓦斯治理重点实验室—省部共建国家重点实验室培育基地开放基金项目（WS2012A09）；河南省教育厅科学技术研究重点项目（14A440012）；河南省教育厅自然科学研究计划项目（2009B440004）；河南理工大学博士基金资助项目（B2008-15，B2012-093）;河南省博士后科研项目（2012056
更新日期/Last Update: 2014-12-30