Intermittent fluff filter

The utility model relates to the technical field of machinery. The intermittent batting filter comprises a drainage channel, a filtering grating is installed in the drainage channel, and the interior of the drainage channel sequentially passes through an intermittent water supply mechanism, a flow guide area, a settlement area and a water storage area in the flow guide direction. The intermittent water supply mechanism comprises a cavity, a swinging water storage tank capable of swinging is rotationally connected into the cavity, a supporting mechanism for supporting the swinging water storage tank is installed at the bottom of the cavity, and the swinging water storage tank is divided into a left tank body and a right tank body which are arranged left and right through a partition plate; a water inlet of the drainage channel is alternately butted with the left tank body and the right tank body; drain holes are formed in the left side and the right side of the bottom of the cavity, the cavity is communicated