短壁工作面和短壁采煤机的经济技术分析

Economic Technique Analysis to Shortwall and Shortwall Coal-Mining Machine

对短壁工作面、长壁工作面及房柱工作面所用的采煤机、输送机及液压支柱等设备生产能力、设备投资等作了分析比较,对于一定矿井条件下的设备选型,可作为参考。

The paper makes comparative analysis to coal-mining machine, conveyer and hydraulic bearer etc. equipments used for shortwall, longwall and pillarwall about their production capacity, equipment investment, which provides reference for equipment selection under certain mine circumstance.