Energy-saving tea residue desolventizing and drying device in theaflavin production

The utility model discloses an energy-saving tea residue desolventizing and drying device in theaflavin production. Bottom plate, the interior of the drying tower is divided into a preheating chamber, a first-stage drying chamber and a second-stage drying chamber through funnel-shaped partition plates. Electric heating pieces are fixedly arranged on the inner walls of the two sides of the first-stage drying chamber and the second-stage drying chamber; one side of the primary drying chamber is communicated with the liquid inlet end of a first water pump through a flow guide pipe connected in a penetrating manner; one side of the water storage tank communicates with the liquid inlet end of a second water pump through a flow guide pipe connected in a penetrating manner; the liquid outlet end of the second water pump communicates with the interior of the heat exchanger through a flow guide pipe, a first air outlet in the top of one side of the heat exchanger communicates with the interior of the preheating chambe