XGC multi-functional purifier integrates with natural coagulation, sedimentation and filtration. It is one of ideal water treatment equipments in operation, which is mainly used for the pre-treatment of waste water and sewage with high turbidity. It belongs to rough treatment or primary treatment equipment. After treatment, it provides advantageous condition for precision treatment or secondary treatment equipment in reducing load, improving efficiency and prolonging treatment period. It features in natural mixing, sedimentation through sloped pipe, filtration through level difference between sand and water, by which it not only improves water quality, but saves mechanical power and labor force.