▎ 摘　　要

NOVELTY - The device comprises a cleaning box (1), a film inlet (2), a film outlet, a conveying component, a water supply component (5), a return water component (6), a blower component (7), a water absorption component, two water spray cleaning components and four supporting legs. The cleaning tank passes through the four supporting legs installed on the ground. The inner bottom end of the cleaning tank is provided with a liquid collecting hopper. The bottom end of the liquid collecting hopper extends to the bottom of the cleaning tank. The membrane inlet and the membrane outlet are provided on the left and right sides of the cleaning box. The membrane inlet and the membrane outlet are provided with two rotating rollers. USE - Device for preparing graphene heating film. ADVANTAGE - Foreign matters and dust are not easily adhered, which improves the quality of the graphene heating film. DESCRIPTION OF DRAWING(S) - The drawing shows a perspective view of device for preparing graphene heating film. Cleaning box (1) Film inlet (2) Water supply component (5) Return water component (6) Blower component (7)