伪倾斜柔性掩护支架采煤工作面自然发火综合防治技术  

Comprehensive Prevention and Control Technology of Spontaneous Combustion in Coal Face with Pseudo Inclined Flexible Shield Support

作　　者：王洋 Wang Yang(Linsheng Coal Mine of Shenyang Coking Coal Co.,Ltd,Liaoning Shengyang,110122,china)

机构地区：[1]沈阳焦煤股份有限公司林盛煤矿,辽宁沈阳110122

出　　处：《同煤科技》2021年第2期7-11,共5页Datong Coal Science & Technology

摘　　要：为解决林盛煤矿-675下延区工作面煤炭自然发火这一问题,本文分析了-675下延区1204柔性掩护支架工作面煤炭自然发火原因。提出了采用采空区灌沙浆、多种方式注白泥、采空区注氮等一系列防火措施措施,杜绝了发火隐患,成功安全回采。In order to solve the problem of coal spontaneous combustion in the working face of-675 lower extension area in Linsheng Coal Mine,this paper analyzes the causes of coal spontaneous combustion in the 1204 flexible shield support working face of-675 lower extension area.A series of fire prevention measures are put forward,such as sand grouting in goaf,white mud injection in various ways and nitrogen injection in goaf,which can eliminate the fire hazard and successfully realize safe recovery.

关 键 词：煤 自然发火 柔性掩护支架 采空区灌沙浆 注氮 

分 类 号：TD752[矿业工程—矿井通风与安全]