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呆滞煤量形成的原因及预防措施‖鹤壁矿务局张有祥吴雨顺樊京周所谓呆滞煤量是指生产矿井在生产过程中由于种种原因造成不可采或暂不可采的“挂帐”煤。它多为采区中的一些临时性煤柱、边角煤、以及回采困难的底煤、残煤等。由于其分布和形态不规则,单块煤量小,回采困难...
Reason for the formation of sluggish coal and prevention measures Hebi Mining Bureau Zhang Youxiang Wu Yushun Fan Jingzhou The so-called sluggish coal production is due to various reasons in the production of coal mine for a variety of reasons can not be adopted or temporarily “hang account” coal. It is mostly for the mining area of some temporary pillars, corner coal, as well as the recovery of the end of coal, residual coal and so on. Due to its irregular distribution and shape, the coal mass is small and the recovery is difficult.