Water conservancy drainage device based on water conservancy project

The water conservancy drainage device based on the water conservancy project relates to the technical field of garbage crushing and comprises a supporting frame, a water flowing pipe is arranged above the supporting frame, a mincing frame and a filtering assembly are further arranged below the end side, away from the water flowing pipe, of the supporting frame, and the filtering assembly is arranged in the water flowing pipe; comprising a first filter plate capable of being turned over and a second filter plate capable of being turned over and used for conducting garbage filtering on device water passing through a water flowing pipe, the garbage conveying assembly is arranged above a supporting frame and comprises a set of stirring belts used for driving garbage to move into a mincing frame, and the garbage pressing assembly is arranged above the supporting frame and used for pressing the garbage into the mincing frame. The garbage pressing assembly is arranged on the mincing frame and comprises a pressing pl