This paper introduces a kind of small-size dry downhole ESP(electrostatic precipitator) produced by Shanxi Tiandi CFT Technology Co .,Ltd ,which is based on the actual situation of domestic coal mines .And briefly describes its working principle ,de-sign scheme and the underground dust removal process layout .%介绍了山西天地赛福蒂科技有限公司结合国内煤矿实际情况设计的国内首套适合于小断面煤矿综掘工作面使用的小尺寸干式井下除尘器 ,并简述其工作原理和设计方案以及井下除尘工艺布置.
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