Wastewater treatment precipitation device

The utility model relates to a wastewater treatment sedimentation device which comprises a sedimentation tank, a sludge tank and a lifting plate, a water storage barrel is arranged on one side of the sedimentation tank, a water inlet pipe is fixedly connected to one side of the water storage barrel, a water outlet pipe is fixedly connected to one side of the sedimentation tank, and a water pump is fixedly installed between the water inlet pipe and the water outlet pipe. The lifting plate is slidably connected into the sedimentation tank, and a displacement mechanism is arranged between the bottom of the lifting plate and the inner wall of the sedimentation tank and used for driving the lifting plate to move. The utility model aims to solve the problems that in the prior art, sedimentation is generally carried out through a sedimentation tank, silt in the sedimentation tank is generally cleaned at regular intervals and needs to be excavated, loaded and transported to a sludge treatment place for treatment, the