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kuang jing zhu shan jing ji yun xing de ji ge wen ti
Author(s): 
Pages: 28-30
Year: Issue:  2
Journal: Safety in Coal Mines

Keyword:  矿井主扇经济运行工况点轴流式风机风机能力经营管理状况合理区风阻煤矿投产初期;
Abstract: <正> 提高主扇经济运行效益,对节能和改善煤矿经营管理状况具有重要的现实意义。现就其中几个问题谈些看法与建议。一、主扇工况点不在其合理区矿井主扇与其工作风阻不匹配,主扇工况点不在其合理区运行,这是当前主扇运行中较突出的问题之一。主要表现形式是:矿井投产初期,风机能力过大;而中后期,主扇能力则不足;有的轴流式风机
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