... 压力差 瓦斯超限 [gap=715]Keyword:working face; upper corner; gas concentration; differential pressure; gas transfinite ...
基于6个网页-相关网页
本发明提供一种瓦斯超限禁爆方法和瓦斯超限锁禁发爆器。
The present invention provides one kind of gas explosion limit exceeding explosion inhibiting method and explosion inhibitor.
这既解决了工作面瓦斯超限问题，又实现了瓦斯资源的利用。
Not only does it solve the problem of out of limitation, but also it makes full use of the gas resource.
采用高位钻孔和仰角钻孔抽放瓦斯技术，有效地防止了瓦斯超限。
High position bores and elevation bores methane drainage technique can prevent gas problem successfully.
应用推荐