Upper-layer cleaning device for water treatment device, and method for cleaning water treatment device filter layer
    1.
    发明授权
    Upper-layer cleaning device for water treatment device, and method for cleaning water treatment device filter layer 有权
    水处理装置上层清洗装置及清洗水处理装置过滤层的方法

    公开(公告)号:US09573082B2

    公开(公告)日:2017-02-21

    申请号:US14234966

    申请日:2012-07-05

    摘要: Water treatment apparatus includes raw water special air mixing nozzles (7); filtering tank (5) housing filter layer (4) including two layers of upper layer (2) and lower layer (3), the upper layer including a filter medium with a smaller specific gravity and a larger particle size than a filter medium of the lower layer; a water collection pipe (13) removing filtered water and supplying reverse cleaning water to the filter layer during reverse cleaning; drainage trough (12); and upper layer cleaning apparatus (10), in which the upper layer cleaning apparatus includes upper layer cleaning pipe support member (17), upper layer cleaning water pipe (18), surface-cleaning special air mixing nozzles (19), air suction pipe (20), and horizontal air pipes (31 and 32) and the raw water special air mixing nozzles (7) are attached to raw water inflow tank (70) provided on a part of the drainage trough (12).

    摘要翻译: 水处理装置包括原水特殊空气混合喷嘴(7); 过滤罐(5)容纳包括两层上层(2)和下层(3)的过滤层(4),上层包括具有比过滤介质更小的比重和更大颗粒尺寸的过滤介质 下层 采水管(13)在反向清洗期间去除过滤水并向过滤层提供反向清洗水; 排水槽(12); 和上层清洁装置(10),其中上层清洁装置包括上层清洁管支撑构件(17),上层清洁水管(18),表面清洁特殊空气混合喷嘴(19),吸气管 (20)和水平空气管(31,32)和原水特殊空气混合喷嘴(7)安装在设置在排水槽(12)的一部分上的原水流入箱(70)上。