Mixed-flow pump inlet assembly for construction waste flotation machine

The utility model relates to the technical field of washing flotation sorting machines, in particular to a mixed-flow pump inlet assembly for a construction waste flotation machine, which comprises a filter box, a round through hole is formed in the middle of the filter box, and a plurality of filter structures abutting against the inner ring wall of the round through hole are circumferentially arranged in the round through hole. A filter screen plate is arranged on the arc-shaped inner wall of the lower end of the circular through hole, baffles are arranged on the arc-shaped inner walls of the two sides of the circular through hole, a drainage pipe is arranged at the position, corresponding to the filter screen plate, of the lower end of the filter box, an inner cavity of the drainage pipe is communicated with a cavity of the filter box, and a conveying plate for conveying impurities is further arranged in the middle of the circular through hole. According to the assembly, separation of water flow, cloth, pl