摘要
韩城桑树坪煤矿主采"三软"煤层综放工作面所用ZFY4000/17/28型支架伸缩梁经过改造升级,研制出顶梁侧伸缩护顶煤装置,以应对推采过程中出现的架间落煤和顶板维护难的问题,工艺先进,效果显著。
Hancheng Sangshuping Coal Mine ＂Three Soft＂ coal seam with ZFY4000/17/28 type bracket telescopic beam through the upgrading, development of the top beam side telescopic roof support device for coal, coal and roof maintenance difficult problems to deal with the mining process frame, advanced technology, remarkable effect.
作者
雷振虎
秦荣
Lei Zhen-hu Qin Rong
出处
《化工设计通讯》
CAS
2017年第8期164-164,175,共2页
Chemical Engineering Design Communications
关键词
三软煤层开采
放顶煤支架
改造
架间落煤
three soft coal seam mining ： roof caving support ： transformation
prevent betweenthe shelf to tall coal
