Heavy oil bulking still

The utility model discloses a heavy oil reaction kettle which is mainly solves the defects that the existing similar reaction kettle has dispersive equipment, complicated installation, high cost, bed heavy oil puffing effect and unstable production. The heavy oil reaction kettle adopts an integrative structure with large capacity, that is the preparing process of puffing heavy oil and water and stirring the heavy oil and the water is concentrated in a large container to be completed. An arranged eccentric stirrer assembly can obtain ideal mixing effect. The contact surface of oil and water can be expanded to intensify reaction by an annular feed pipe. Meanwhile, the utility model is provided with a heat insulating device which is used for stabilize production quality. The utility model is suitable for preparing puffing heavy oil with high efficiency, energy saving and low price.