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针对大柳塔选煤厂改扩建前煤泥水处理制约正常生产、污染厂区环境等问题，在选煤厂改扩建设计时，经调研分析，引进了加压过滤机回收细粒煤泥，滤洪水分等指标均达到设计要求，实现了煤泥厂内回收，洗水闭路循环，取得了显著的经济效益和环境效益。
In view of the problems such as the normal production of slime water treatment before the expansion and reconstruction of Daliuta Coal Preparation Plant and the pollution of the factory environment and so on, when the coal preparation plant was expanded and designed, the pressure filter was introduced to recover fine-grained slime, And other indicators have reached the design requirements, to achieve the recovery of slime plant, closed-circuit washing water, and achieved significant economic and environmental benefits.