城郊煤矿对旋式主要通风机的变频改造  

Frequency Conversion Transformation of Contra-rotating Main Fan in Chengjiao Coal Mine

作　　者：王中华 李巧梅 

机构地区：[1]永煤集团,河南永城476600 [2]神火集团新庄选煤厂,河南永城476600

出　　处：《煤矿机械》2009年第2期151-152,共2页Coal Mine Machinery

摘　　要：介绍了城郊煤矿对旋式主要通风机变频改造的原因和方案,比较了国内外变频器在主要通风机应用的现状和技术特点,通过变频改造解决了城郊煤矿通风机效率偏低的问题,分析了主通风机改造后应用的效果。The reason and way of the frequency conversion transformation of contrarotating main fan in Chengjiao Coal Mine were introduced. The current situation and technology characteristic of frequency conversion of main fan at home and abroad were compared version have been resolved, the transformation effect of , low efficiency of main fan by frequency conmain fan was analysed.

关 键 词：对旋式主通风机 变频器 改造效果 

分 类 号：TD441[矿业工程—矿山机电]