▎ 摘　　要

NOVELTY - The utility model model claims a rolling cavity cooling device for roll-to-roll graphene film preparation comprising a machine frame wherein the machine frame is symmetrical and the bolt is connected with two rolling cavity two rolling cavity connected with a quartz tube through a flange, the non-working surface of the roll cavity the copper winding on the flange is composed of evaporation copper pipe, the outlet of the evaporation copper pipe is connected with the low pressure port of the compressor, the high pressure port of the compressor is connected with one end of the condenser, the other end of the condenser is connected with the dry of the filter, the outlet of dry filter is connected with one end of the thread-shaped capillary copper pipe, the other end of the capillary copper pipe is connected with the inlet of the evaporation copper pipe; the inner diameter of the evaporation copper pipe is greater than the inner diameter of the capillary copper pipe; the top part of the roll cavity provided with a temperature probe, the temperature probe and the compressor are connected with the temperature controller.