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本文根据元宝山露天煤矿采用的几种洗井方法的实践，说明不同结构类型的抽水井可选用不同的洗井方法进行洗井，以取得最佳经济效果。本文对几种洗井方法的工作原理、工艺过程及洗后效果进行了分析、对比，以便为其它露天矿在洗井工作中提供参考。
Based on the practices of several well-flushing methods used in the open-pit coal mine of Yuanbaoshan, it is shown that different well types can be well washed by different well types in order to obtain the best economic results. This paper analyzes and compares the working principle, the process and the post-wash effect of several well washing methods in order to provide references for the other open pit mines in well washing.