【摘要】 通过对杨厂甲组滤池的工艺改造,使这座具有77年历史的普通快滤池在管道布局、设施设备、运行控制方式、滤后水水质、冲洗强度、冲洗水率,砂层含污率等各个方面与过去相比均发生了重大的改变,满足了对自来水水质的控制要求。更多还原

【Abstract】 In this paper,reformation of the pipe gallery,facilities,equipments and operation procedures and control of the group A filters was introduced, the performance of the group A filters,including filtered water quality, back washing water rate, back washing strength and thus dirty containing of the sand layer has become excellently changed than before and the requirement of the water quality control of the water plant satisfied.更多还原