1) high level drainage tunnel
高位抽放巷道
1.
Mechanism and application research of gas drainage in high level drainage tunnel by water sealing system;
水封式高位抽放巷道瓦斯抽放机理和应用研究
3) drainage roadway
抽放巷道
1.
Study on the principle of gas seepage in the wall of drainage roadway;
抽放巷道煤壁瓦斯渗流规律的研究
4) high drainage under suction
高位抽放
1.
Discussion about handling the gas in goaf of working faces by high drainage under suction;
利用高位抽放处理工作面采空区瓦斯的探索
5) re_exhaust
巷道预抽
6) high level suction roadway
高抽巷
1.
In the comprehensive treatment of coal face gas in Panyi Mine, high level suction roadway above the coal seam top and embeded suction pipe were used to draw out gas, which obtained good effect.
介绍了潘一矿在综合治理采煤面瓦斯的过程中,利用在煤层顶板施工高抽巷,高抽巷内埋设抽放管路抽放瓦斯,加强抽放取得显著效果;分析了高抽巷的技术原理,层位选定及相关技术参数。
2.
The research shows that through constructing downward drilling to extract in floor suction roadway by properly using various exiting resource and technique the gas controlling problem of no high level suction roadway caused by unpunctual drivage of mining face is settled,indicates that temporal benefit and economic benefit are obtained,gas comprehensive controlling.
为解决因采掘接替而引起的工作面瓦斯综合治理中的断缺,大胆采用钻孔法替代巷道法瓦斯治理技术,妥善利用现有资源和技术条件,在底抽巷中施工下向抽采钻孔,解决了因工作面高抽巷掘进不能按期到位而带来的无高抽巷段瓦斯治理难题,并在时间和经济上取得了良好效益,完善了采煤工作面瓦斯综合治理措施,确保了工作面按期、安全、高效回采。
补充资料：高位
①〈书〉显贵的职位：～厚禄。②（肢体）靠上的部位：～截肢。
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