Stirring and coagulating device for sewage treatment

The utility model discloses a stirring and coagulating device for sewage treatment. The stirring and coagulating device comprises a stirring tank, wherein a guiding cylinder provided with a mixing cavity and a quick stirring component positioned in the mixing cavity are mounted inside the stirring tank; a water inlet pipe and a medicine feeding pipe that are communicated with the mixing cavity are arranged at the upper part of the guiding cylinder; the bottom of the mixing cavity is communicated with the inner chamber of the stirring tank; a slow stirring component positioned at the lower part of the guiding cylinder is further mounted inside the stirring tank. The stirring coagulating device has the advantages of being simple and compact in structure, small in occupied area, good in coagulating effect, low in cost and the like.