PVC-PVDC composite film production equipment and production process

The invention discloses PVC-PVDC composite membrane production equipment and a production process, and relates to the field of composite membranes, the PVC-PVDC composite membrane production equipment comprises a rack, the rack is provided with a first unwinding mechanism, a gluing mechanism, a drying tunnel, a second unwinding mechanism, a composite mechanism and a winding mechanism, the front section, the middle section and the rear section of the drying tunnel are respectively a preheating zone, a heating zone and a cooling zone, and the heating zone is provided with a first winding mechanism and a second winding mechanism; two gas distribution mechanisms are arranged on the drying tunnel, gas in the heating area enters the preheating area and the cooling area through the two gas distribution mechanisms respectively, and the gas distribution mechanisms are used for regulating and controlling the temperature and the flow speed of the gas. The drying tunnel is divided into the preheating area, the heating ar