介绍了国内外长壁综采工作面的尺寸、设备、回采巷道布置及工作面单产的现状及发展趋势。
The paper introduced the size, equipment, gateway arrangement and production of the fully mechanized longwall coal mining faces at home and abroad.
该开采技术在工作面巷道布置上采用机采与普采混合,不规则刀形形状和对拉工作面布置,回采工艺采用了旋转调采等新技术。
This mining technology combined the fully mechanized mining with orthodox working face, and it layoutted irregular form and double unit face, adopted the rotational adjustment mining.
用分形对3604S4工作面和回采巷道顶板进行了研究,得到了该工作面下沉速度的几种分维值。
Study was conducted on the roof of No. 3604S4 coal face and the actual mining roadway with fractals, and a few kinds of functional values of subsidence velocity of this face were obtained.
寺河矿综采工作面巷道采用顺序开采的回采方式。选用7200/23/38 A型垛式支架对巷道进行超前支护,实践中提出了支护过程中存在的几点问题并提出了改进意见。
Sequential mining is utilized in the fully-mechanized face in Sihe mine. 7200/23/38A chock support is used in entry, some problems on its usage and related improvement opinions are put foreward.
同时,实施锚网索耦合支护的深部回采巷道能够满足巷道掘进与工作面回采期间的稳定性控制要求。
The gateway with bolt-net-anchor coupling support can meet the requirements of the stability control during gateway excavation and coal extraction.
同时,实施锚网索耦合支护的深部回采巷道能够满足巷道掘进与工作面回采期间的稳定性控制要求。
The gateway with bolt-net-anchor coupling support can meet the requirements of the stability control during gateway excavation and coal extraction.
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