Industrial sewage treatment device

The utility model relates to the related field of sewage treatment, in particular to an industrial sewage treatment device which comprises a sewage treatment tank and a deodorization mechanism arranged in the sewage treatment tank, and the deodorization mechanism is mounted in the sewage treatment tank through a limiting mechanism; the limiting mechanism comprises four limiting rods forming a rectangular accommodating cavity, and the two ends of each limiting rod are fixedly connected with the inner wall of the sewage treatment tank; the deodorization mechanism comprises a deodorization box arranged in the rectangular containing cavity, and the deodorization box is filled with activated carbon. The limiting mechanism further comprises a limiting spring arranged at one end of the deodorization box, and the free end of the limiting spring is fixedly connected with a first limiting block arranged in the sewage treatment inner wall. The deodorization mechanism is arranged in the sewage treatment tank, so that pec