摘要
鹤岗矿业集团振兴公司通过对巷道裂隙注粉煤灰、白灰,阻止了采空区内CO向生产矿井渗透,杜绝了采空区内CO扩散,保证了安全生产。
In Zhengxing Comp. of Heang Mining Industry Group Gomp., through injecting flyash and lime into the roadway crack, CO in goal was prevented to permeated into mines in production, the proliferation of CO in goaf was stoped, the safety in production was ensured.
出处
《煤炭技术》
CAS
北大核心
2010年第4期99-100,共2页
Coal Technology
关键词
注浆泵
粉煤灰
白灰
防灭火
injection pump
flyash
lime
fire prevention and extinguishing