This paper introduces existing problem of original coarse coal mire retrieving system, puts forward improving way. Effect is good after improved.

介绍了原粗煤泥回收系统存在的问题，提出改进措施，改造后效果很好。

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Then is promoted dirty water into wastewater treatment system by the pump, that system has anoxia pond, good oxygen pond, precipitates pond and disinfects pond, dirty mire pond to constitute.

然后由泵将污水提升入污水处理系统，该系统有缺氧池、好氧池、沉淀池、消毒池、污泥池组成。

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