论文部分内容阅读
针对部分煤矿存在着通风能力过剩严重 ,主通风机处于“大马拉小车”的状况 ,分析讨论了变频调速技术在煤矿风机改造中可取得的良好经济效益和广阔的应用前景。
For some coal mines there is a serious excess capacity of ventilation, the main fan in the “big horse car” status, analysis and discussion of frequency control technology in coal mine fan transformation can be achieved in the good economic benefits and broad prospects for the future.