Production wastewater treatment device

The utility model provides a production wastewater treatment device which comprises a sterilization unit, a wastewater purification system and a sludge treatment unit which are sequentially connected, and the wastewater purification system and the sludge treatment unit are both connected with an odor treatment unit; the odor treatment unit comprises an alkaline washing tower, a water washing tower and a biological filter tower which are sequentially connected, the production wastewater treatment device is provided with the sterilization unit, sodium hypochlorite is added to kill pathogenic microorganisms, and then a reducing agent is added for neutralization, so that the pathogenic microorganisms can be killed, and the survival of wastewater purification microorganisms in the wastewater purification system cannot be influenced; in addition, by arranging the odor treatment unit, harmful tail gas generated in the wastewater purification system and the sludge treatment unit can be effectively purified. 本实用新型提供一种