Sludge dewatering device for ecological management of water conservancy river channel

The utility model discloses a sludge dewatering device for ecological management of a water conservancy river channel. The sludge dewatering device comprises a vertical plate, a top plate, a dewatering mechanism and a sludge suction pump, a top plate is horizontally and fixedly arranged at the tops of the two vertical plates which are vertically arranged, and a dewatering mechanism is arranged below the top plate and comprises a first barrel, a second barrel and a dewatering filter bag; one end of the columnar and horizontally arranged dewatering filter bag is horizontally communicated with a first barrel which can rotate along the central axis of the first barrel, can lift in the vertical direction and is used for introducing sludge into the dewatering filter bag; the sludge dewatering device for ecological management of the water conservancy riverway overcomes the defects that in the prior art, when a filter plate is blocked, shutdown is needed, the filter plate needs to be taken out of equipment, then the