Spiral-wound automotive permeable membrane module and preparation method thereof
A permeable membrane and spiral-wound technology, applied in the field of spiral-wound separation membrane modules and their preparation, can solve the problems of low separation efficiency and heavy equipment, and achieve the effects of uniform gas distribution, easy rolling operation and high packing density.
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[0021] Example 1: Preparation process of a spiral-wound vapor permeation membrane module with a diameter of 4.
[0022] figure 1 It is a schematic diagram of the overall structure of the spiral wound vapor permeation membrane module of the present invention; figure 2 It is a schematic diagram of the assembly of the diaphragm, the partition screen and the central pipe of the spiral wound vapor permeable membrane module of the present invention. The main body of the membrane module is composed of a central tube (1), a diaphragm (3), an air intake guide layer (2), and a permeated air guide layer (4). , a layer of diversion net with a thicker grid is entrained in the middle as the intake diversion layer, and a layer of diversion net with a denser mesh is entrained on the back of the diaphragm as the permeate gas diversion layer. The side and outer ends are coated with glue and the upper and lower two layers of membranes opposite to the back form a membrane bag, in which the out...
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