Waste residue recycling device in production process of titanium tetrachloride

The invention relates to a waste residue recycling device in the production process of titanium tetrachloride. The waste residue recycling device comprises a ground tank, a cooler and a stirring heater arranged below the ground tank. The ground tank is communicated with the feeding end of the stirring heater; the cooler is communicated with the discharge end of the stirring heater. The stirring heater comprises a tank body, a conveying stirrer connected in the tank body through a shaft and a driving mechanism for driving the conveying stirrer to rotate; wherein the tank body is provided with acylindrical section and a conical section in the material conveying direction, and the diameter of the conical section is increased in the material conveying direction; a heating element is arrangedon the conical section; the stirrer comprises a stirring shaft, two disconnected spiral belts and a special-shaped spiral belt are fixedly connected to the stirring shaft, wherein the disconnected spiral belts are arranged in