Water conservancy pipeline desilting device convenient to clean

The utility model relates to the field of pipeline desilting devices, and discloses a water conservancy pipeline desilting device convenient to clean, which comprises a box body, a water inlet pipe, a water outlet pipe and a filter plate, a drain outlet is formed in the bottom surface in the box body, and the bottom surface of the box body is fixedly connected with a drain tank communicated with the drain outlet; a sewage outlet is formed in the bottom surface of one end, far away from the sewage outlet, of the sewage discharge box, a sleeve body corresponding to the sewage outlet and the sewage outlet is connected in the sewage discharge box in a sliding manner, the upper end surface and the bottom surface of the sleeve body are opened, and one end of the sleeve body is connected with a pull rod. Impurities, sludge and the like intercepted by the filter plate in the box body can be discharged into the sewage discharge box along the sewage discharge opening in the lower portion of the box body, the impurities