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Application and improvement measures of coal mine electric control box in potassium salt mine
Author(s): 
Pages: 74-76
Year: Issue:  5
Journal: Coal Mine Modernization

Keyword:  煤矿电控箱老挝钾盐矿腐蚀漏电环境适应性;
Abstract: 针对煤矿井下电气控制箱应用于老挝钾盐矿开采中腐蚀严重、易出现漏电或短路故障引发火灾事故等问题,结合老挝钾盐矿石资源特征,分析了钾盐矿复合盐膜环境对井下电气设备的腐蚀机理及其在潮湿高温环境中熔融态氯化物的强导电性能.提出了变更箱体母材或在箱体表面进行涂层等措施改进提高电控箱的防腐蚀性能,增加漏电流检测功能加强防漏电性能,有效降低了煤矿井下电控箱用于钾盐矿开采中的故障率,提高了其安全性和环境适应性,降低了开采成本,为煤矿井下电气控制箱在钾盐矿开采中的后续应用提供了借鉴.
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