The invention relates to the technical field of
sewage treatment, in particular to a building
sewage treatment device which comprises a base, rollers are arranged at four corners of the lower side ofthe base, a treatment box is arranged at the left end of the top of the base, a
fixed frame is arranged at the left end of the top of the treatment box, and two second rotating shafts are rotatably mounted in the
fixed frame. The building
sewage treatment device is novel in structure, by arranging a protective cover, a gear, a driving motor, a guide hopper, a feeding hopper, a fixing frame, the second rotating shafts and a crushing roller, large
solid substances in building sewage can be crushed, follow-up treatment of the sewage is facilitated, and the
sewage treatment efficiency is improved;by arranging a quantitative box, a
burette, a
frustum scraping seat, a movable column and an execution cylinder, a flocculating agent can be quantitatively added, the situation that the sewage purification
treatment effect is affected due to excessive addition of the flocculating agent is avoided, the
sewage treatment effect is guaranteed, and the working efficiency is improved.