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对目前煤矿常用的压风机安全保护系统存在的不足之处和不安全因素进行了分析, 同时也对晋华宫矿压风机安全保护系统出现的问题、改进内容、改造方案、设计依据与选取参数以及实施效果进行了介绍.结合现场使用条件和现行新技术发展方向, 提出了进一步的研究和开发内容的建议.“,”The present commonly used pressure fan in coal mines safety protection system exist deficiencies and unsafe factors were analyzed, at the same time also on the compressor jinhuagong coal mine safety problems in the protection system, improve the content, retrofit scheme, design basis and the selection of parameters, and effect were introduced. Combined the conditions of use and the current new technology development direction, puts forward some Suggestions of further research and development of content.