Concentration kettle for extracting lycorine from lycoris plants

The utility model discloses a concentration kettle for extracting lycorine from lycoris plants. The reaction kettle comprises a kettle body, a core barrel is vertically arranged in the center of the kettle body; the side wall of one side of the lower portion of the core barrel is provided with a feeding pipe in the tangential direction, a supporting ring is arranged on the outer side of the core barrel, stirring paddles are evenly arranged on the outer wall of the supporting ring in the circumferential direction, a rib plate is arranged at the top of the supporting ring, the other end of the rib plate is connected with the bottom end of a rotating shaft, and the top end of the rotating shaft is connected with a motor; an end socket is arranged at the bottom of the kettle body, a dischargepipe is arranged at the bottom of the end socket, a steam outlet is formed in the top of the kettle body and connected with a cooler through a steam pipe, and an outlet of the cooler is connected witha vacuum pump. The utilit