Film evaporator

The utility model relates to the technical field of evaporation and concentration equipment, in particular to a film evaporator which comprises a connecting frame and a limiting device, a main body is arranged on the inner wall of the connecting frame, a converter is fixedly connected to the upper surface of the main body, a motor is fixedly connected to the upper surface of the converter, a discharging pipe is fixedly connected to the side face of the converter, and the limiting device is arranged on the connecting frame. A connecting pipe is arranged on the surface of the discharging pipe, the limiting device is arranged on the surface of the main body, the limiting device comprises a limiting block and a limiting column, the limiting block is fixedly connected with the side face of the main body, the limiting column is fixedly connected with the upper surface of a connecting frame, and a limiting hole is formed in the surface of the limiting block. According to the utility model, by arranging the limiting