Stirring thickener

The utility model relates to the technical field of water treatment equipment. The utility model relates to a thickener, particularly a stirring thickener. The device comprises a concentration tank, across beam, a driving device, a rotating shaft and rake frames, the device further comprises a water pump, a sludge tank is arranged at the bottom of the concentration tank; the rotating shaft is provided with a cleaning mechanism on the outer wall of one section of the sludge tank; a water inlet of the water pump is communicated with the upper portion of an inner cavity of the concentration tankthrough a water inlet pipe, the water inlet pipe is further provided with a switch valve, a water outlet of the water pump is communicated with the sludge tank through a water outlet pipe, and a blow-off pipe communicated with the sludge tank is arranged on the right side of the sludge tank, so that tailings are homogenized and fluidized during blow-off, stable discharge is achieved, and the blow-off pipe is not blocked.