北马坊煤矿2134复采工作面自燃防控技术研究与实践 .pdfVIP

学兔兔 2013年第9期 煤 炭 工 程 doi：i0．11799／ce201309018 北马坊煤矿2134复采工作面自燃 防控技术研究与实践 杨 彬 ，翟小伟 ，杨红革 ，程 斌。 (1．宝鸡北马坊煤业有限责任公司，陕西 宝鸡 721500；2．西安科技大学能源学院，陕西西安 710054； 3．西部矿井开采及灾害防治教育部重点实验室，陕西西安 710054；) 摘 要：老空区煤层复采是大多数老矿区面临的新问题，北马坊煤矿2134复采工作面布置 在上分层采空区下，针对2134复采工作面煤层发火条件和特点，采取了向大面积采空区压注黄 泥复合胶体和向小面积区域压注高分子胶体的综合煤自燃防控技术，有效地对掘进期间巷道顶煤 高温点进行了治理，对回采期间采空区的煤自燃进行了预防和控制，保障了2134工作面的安全 顺利回采。 关键词：北马坊煤矿；复采工作面；煤自燃；胶体灭火技术 中图分类号：TD75 2 文献标识码：B 文章编号：1671—0959(2013)09-0047-03 Study and Practices on Spontaneous Combustion Prevention and Control Technology of No．2 1 34 Coal Remining Face in Beimafang Mine YANG Bin ，ZHAI Xiao—wei ，YANG Hong—ge ，CHENG Bin ， (1．Baoji Beimafang Coal Mining Company Limited，Baoji 721500，China； 2．School of Energy，Xi University of Science and Technology，Xi an 710054，China； 3．MOE Key Lab of Mining and Disaster Prevention and Control in West China Mine，Xi an 710054，China) Abstract：A seam remining in the goaf is a new issue faced to the major old mining areas．No．2134 coal mining face was located under the goaf of upper slice seam in Beimafang Mine．According to the fire ignition condition and features of the seam in No．2134 coal remining face，a comprehensive coal spontaneous combustion prevention and control technology with the yellow mud complex paste injected to the large area of the goal and with the polymer colloid injected to the small area of the goal was conducted．Thus the high temperature area in the top coal of the gateway during the driving period was effectively controlled，the coal spontaneous combustion of the goaf during the coal mining period was prevented and controlled and a safety and successful mining