Preparation device of composite water-gas separation membrane with support body

Abstract

The invention discloses a preparation device of a composite water-gas separation membrane with a support body. The preparation device comprises a main body part, a heating part and a vacuum part, the main body part sequentially comprises a bottom plate layer, a supporting body layer, a film layer, a polytetrafluoroethylene layer and a film pressing flat plate layer from bottom to top; the heating component comprises a first heating plate and a second heating plate which are oppositely arranged, the first heating plate is arranged on the side, away from the polytetrafluoroethylene layer, of the film pressing flat plate layer, and the second heating plate is arranged on the side, away from the supporting body layer, of the bottom plate layer; a plurality of first threaded holes are formed in the bottom plate layer and penetrate through the bottom plate layer; a step hole is formed in the position, opposite to the first threaded hole, of the film pressing flat plate layer, a through hole matched with the step hole is formed in the polytetrafluoroethylene layer, and a screw sequentially penetrates through the step hole and the through hole to be screwed into the first threaded hole. According to the device, the pressure resistance of the compounded water-gas separation membrane can be improved, meanwhile, the air permeability cannot be reduced, and the device is suitable for water-gas separation in pressure-bearing equipment.

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