Sewage treatment system for cutting waste liquid

The utility model discloses a sewage treatment system for cutting waste liquid, which comprises a demulsification tank, a filter press, a pH regulating tank, a precision filter, an evaporation device and a ceramic membrane group according to the water flow direction, a demulsifier is filled in the demulsification tank, the effluent of the demulsification tank flows into the filter press, the filter press is used for filter-pressing sewage to obtain filtrate and filter residue, and the filter residue is used for filter-pressing sewage. Filtrate filtered out by the filter press flows into the pH adjusting tank, the pH adjusting tank is used for adjusting the pH value of sewage, effluent of the pH adjusting tank flows into the precision filter, the precision filter is used for filtering the sewage, effluent of the precision filter flows into the evaporation device, the evaporation device is used for evaporating and concentrating the sewage to form concentrated solution and distilled water, and the distilled wate