[0001] PRE-COATING FILTER DEVICE
    1.
    发明申请

    公开(公告)号:US20220080337A1

    公开(公告)日:2022-03-17

    申请号:US17421660

    申请日:2020-06-29

    摘要: A pre-coating filter device includes: a filtration tank comprising a raw water inlet through which raw water flows on one side, and a drain port at the bottom; a top cover coupled to the upper part of the filtration tank and comprising a coupling hole through the middle part; a purified water discharge pipe coupled to the coupling hole of the top cover; a purified water storage space unit coupled to the lower part of the top cover and located within the filtration tank, and comprising a communication pipe connected to the central part; a filter coupling plate body coupled to the lower part of the purified water storage space unit and comprising a plurality of coupling holes through; and a pre-coating filter coupled to the coupling hole of the filter coupling plate body.