摘要：文章介紹了濟寧市范圍內的一些煤礦單位對礦井提升機和井下帶式輸送機等煤礦設備應用變頻調速技術的防爆問題進行的研究與實踐，對于類似情況的礦區(qū)具有一定的參考價值。     關鍵詞：煤礦；變頻器；防爆；提升機；帶式輸送機 Abstract: The article introduces the research and practice of the application of the variable frequency speed regulation technology for the mine hoist and the belt conveyor in the range of Jining city. It has a certain reference value for the similar [登陸后可查看全文]