综采放顶煤降尘技术

Dust-falling technology when caving the roof in fully-mechanized coal mining

对“三软”煤层综采放顶煤的防尘、降尘技术进行了总结 ,设计出一套手动、自动并用的有效的降尘系统。

This paper summarizes the dust falling technology of caving coal in fully mechanized mining to three kinds of shoft coal seam and designs a set effective dust falling system which can be controled manually and automaticly.