Filter material intercepting and cleaning device for fiber filter

The invention discloses a filter material intercepting and cleaning device of a fiber filter, and relates to the technical field of water treatment equipment, the filter material intercepting and cleaning device comprises a filter shell, the inner side of the filter shell is sequentially provided with a filter material intercepting plate, a fiber filter material and a bearing filter plate from top to bottom, and the filter material intercepting plate is uniformly, vertically and fixedly connected with a plurality of second blow-off pipes; the lower end of the second blow-off pipe extends to the inner side of the fiber filter material, a plurality of lower blow-off holes are formed in the portion, located on the inner side of the fiber filter material, of the second blow-off pipe from top to bottom at equal intervals, and a first one-way drainage component and a second one-way drainage component are arranged on the inner side of the second blow-off pipe; through the arrangement that the second blow-off pipe is