Comprehensive control technology of corner gas in fully mechanized mining face of Wanfeng Mine
Cao Yinping
1. School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou 221116, China; 2. Shanxi Jinhui Group, Taiyuan 030002, China
In order to solve gas overrun in upper corner of 1209 fully mechanized working face angle roadway of Wanfeng Mine, the upper corner gas source, combining with the field condition, the application of point source extraction, the reasonable air distribution, comprehensive treatment methods, such as building wall through technology were explored, the practice proved that this method can effectively solve the problem of gas overrun in upper corner, make mining top corner gas concentration below 0.5%, guaranteed the normal recovery mining of fully mechanized working face, created the conditions to realize efficient mine safety production.
曹银平1,2. 万峰煤矿综采工作面上隅角瓦斯综合治理技术[J]. 煤炭与化工, 2018, 41(6): 108-109,113.
Cao Yinping. Comprehensive control technology of corner gas in fully mechanized mining face of Wanfeng Mine. CCI, 2018, 41(6): 108-109,113.
