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2014/9/11 PowerPoint PPT Presentation


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《2013 全国煤矿安全、高效、洁净开采新进展 》 会议. 大采高综采装备及开采技术发展现状. 娄金福. 天地科技开采设计事业部 二○一三年九月. 2014/9/11. 1. 汇 报 提 纲. 大采高综采推广普及情况. 1. 大采高综采装备研发现状. 2. 大采高综采关键技术. 3. 2014/9/11. 2. (一)我国 3.5m 以上厚煤层约占总储量的 44% ,占总产量的 45% 。 3.5 ~ 6m 煤层约占总储量的 34% ,与综放开采相比,大采高综采回收率高、安全条件好,是实现高效集约化开采的首选技术。. 大采高综采. 综放开采.

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2014/9/11

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2014 9 11

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3.5m44%45%3.56m34%


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7m

6.2m

ZY6400-25/53

ZY6400-25/53

6.2m

ZY10000-26/55

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7m

1300t7.31m301m4966m6.8m


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7mZY16800/32/70D

ZY16800/32/70D


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252021200t6.8m300m3000m

ZY18800/32.5/72D

201112251500t


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  • 1.75m2.05m

  • 200mm

  • 37.5MPa


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147mm


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750kW2000kW


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700kW

48152mm


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1.1~1.2MPa


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40t

55t

80t

25t

40t

3


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  • 2.75m3.6m


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