Papermaking wastewater treatment device

The utility model provides a papermaking wastewater treatment device, and mainly relates to the technical field of papermaking wastewater treatment. A papermaking wastewater treatment device comprises a wastewater treatment tank, a coarse filter tank, a fine filter tank, a flocculation reaction tank and a disinfection tank are sequentially arranged in the wastewater treatment tank, a filter screen assembly is arranged in the coarse filter tank in a matched mode, a driving motor is arranged outside the coarse filter tank in a matched mode, and the driving motor is in transmission connection with the filter screen assembly. And a filter layer is fixedly arranged in the fine filter tank. The cleaning device has the advantages that the driving motor drives the first filter screen to move in a reciprocating mode, then the brush rollers are driven to rotate, the effect of cleaning the filter screens is achieved, and the filter screens can be prevented from being blocked; the reciprocating motion of the first filter