Chromium-containing wastewater sludge recycling equipment

The utility model discloses chromium-containing wastewater sludge recycling equipment which comprises a chromium-containing wastewater storage tank, a first pH regulating tank, a reduction reaction tank, a second pH regulating tank, an impurity removal reaction tank, a coagulation tank, a flocculation tank and a sedimentation tank which are connected in sequence, a discharge pipe and a sludge discharge pipe are arranged on the sedimentation tank, the sludge discharge pipe is connected with a sludge tank, and the sludge tank is connected with a sludge pump. The sludge tank is communicated with a sludge pressing machine through a conveying pump, and the sludge pressing machine is provided with a clear water flushing assembly, a liquid discharging opening and a sludge collecting opening. According to the utility model, the impurity removal reaction is carried out before the coagulation reaction through the impurity removal reaction tank, common medicaments such as sodium sulfide and calcium chloride are added, a