Air whirl sendimentation device

The invention provides an air whirl sendimentation device, and the device comprises: a cylinder pot shaped main body, which contains a high-speed nozzle extending to the tangential direction of the outer edge surface of the main body and communicating with the main body, and a funnel shaped floccule removing cone located at the bottom of the main body; a water supply unit which is connected with the high-speed nozzle, and comprises a mixer for mixing chemical substances and sewage and conveying sewage containing chemical substance; a water discharging unit, which comprises porous water seepage tube vertically installed in the middle part of the main body and funnel shaped mutiple level inclined cones fixed on the outer edge surface of the porous water seepage tube and extended downwards, and an inclined cone at the upper part and additionally arranged on the upper part of the multiple level inclined cones for discharging fresh water to the outer part of the main unit, and a sidewall extending downward to the