Coking wastewater treatment device

The utility model discloses a coking wastewater treatment device, which belongs to the technical field of wastewater treatment, and comprises a treatment box, a residue cleaning device, a stirring device and a filter tank, the treatment box is horizontally arranged, the residue cleaning device is arranged at the upper part of the treatment box and is in running fit with the treatment box, and the stirring device is arranged in the treatment box. The stirring device is fixedly mounted at the bottom of the treatment box and is in sliding fit with the treatment box, and the filtering tank is mounted beside the treatment box. According to the waste water treatment device, waste water is preliminarily filtered through the residue cleaning device, residues are sucked, chemicals and the waste water are uniformly stirred through the stirring device and discharged into the filter tank, and the problem that a filter screen is blocked due to the fact that residues in the waste water cannot be fully removed through a tra