综采工作面大倾角俯采新技术与应用

New technology and application of steep dip mining in fully-mechanized mining face

A4015工作面下山俯采角度为22°,移架时从架间往老塘窜矸石给支架操作、检修、清理带来诸多不便,严重的是滑落的滚矸极易造成操作人员的伤害,威胁人员安全,经现场制定研究采用支架后尾焊接挡板防窜矸、支架待压移架,工作面煤机及刮板输送机维修操作,运输顺槽皮带改进,控制回采过程中俯采坡度和回采过程工艺调整等综合防范措施,最终实现安全回采,取得较好的技术经济效益。

In A4015 working face,down the mountain mining angle is 22 degrees,goal channeling gangue inconvenience to support operation, maintenance and cleaning when moved frame, which seriously the slip rolling gangue was extremely easy to cause personnel injury, threat the safety of personnel.After field research, the use of brackets, rear end welding baffle, anti channeling waste, support with pressure shift, working face, coal machine and scraper conveyor, maintenance operation, conveyor belt, belt improvement, and comprehensive prevention measures were taken to control dip mining slope and process adjustment during the mining process. Finally, safe mining were realized, and better technical and economic benefits were obtained.