• Complex
  • Title
  • Keyword
  • Abstract
  • Scholars
  • Journal
  • ISSN
  • Conference
成果搜索

author:

陈瑞锋 (陈瑞锋.) [1] | 王金贵 (王金贵.) [2]

Indexed by:

PKU

Abstract:

为了削弱采空区“呼吸”现象对相邻8204回采工作面的影响,对塔山煤矿8206采空区采用注氮(井下)与钻孔抽放(地面)相结合的方法.实践结果表明:通过调整采空区注氮压力和注氮量,采空区“呼吸”现象消失,采空区气体(CH4、O2和CO)逐渐趋于平稳;钻孔瓦斯抽放浓度最终降低至2.0%,并且采空区中的瓦斯浓度从16%降低至小于1.5%,有效消除了采空区内瓦斯和煤自燃的风险;研究成果对于采空区瓦斯的治理及综合利用具有重要意义.

Keyword:

Community:

  • [ 1 ] [陈瑞锋]晋能控股煤业集团塔山煤矿,山西大同037001
  • [ 2 ] [王金贵]福州大学环境与资源学院,福州350116

Reprint 's Address:

Email:

Show more details

Related Keywords:

Related Article:

Source :

煤炭技术

ISSN: 1008-8725

Year: 2021

Issue: 4

Volume: 40

Page: 74-76

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 2

Affiliated Colleges:

Online/Total:1294/10965237
Address:FZU Library(No.2 Xuyuan Road, Fuzhou, Fujian, PRC Post Code:350116) Contact Us:0591-22865326
Copyright:FZU Library Technical Support:Beijing Aegean Software Co., Ltd. 闽ICP备05005463号-1