Water treatment apparatus and a method for cleanin

专利名称：Water treatment apparatus and a method

for cleaning a filter layer of a watertreatment apparatus

发明人：Hitoshi Mimura,Kiyokazu Mukai申请号：US13380651申请日：20100615公开号：US09017559B2公开日：20150428

专利附图：

摘要：A water treatment apparatus including one or more mixed raw water stream jetnozzles, a filtering tank housing a filter layer disposed below the mixed raw water stream

jet nozzle or nozzles, the filter layer having an upper layer and a lower layer, the upperlayer containing a filter material with a smaller specific gravity and a larger particlediameter than a filter material of the lower layer, a water collecting and distributing pipefor removing water filtered through the filter layer and supplying reverse streamcleaning water to the filter layer during reverse cleaning, filter material vibrating meansfor vibrating a filter material of the upper layer including a vibrating element connectedto a power source and vibration expanding element buried in the upper layer fortransmitting vibration of the vibrating element, and an overflow outlet provided in thefiltering tank above the filter layer.

申请人：Hitoshi Mimura,Kiyokazu Mukai

地址：Izumiotsu JP,Izumiotsu JP

国籍：JP,JP

代理机构：Florek & Endres PLLC

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