Manufacturing process of vacuum heat insulation and preservation plate
A manufacturing process and vacuum insulation technology, applied in the direction of heat preservation, manufacturing tools, insulation improvement, etc., can solve the problems of low heat resistance and high production cost of heat preservation board, and achieve the effect of short production time, low production cost and standardized size
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[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0020] A manufacturing process of a vacuum heat insulation board, comprising a core board and a protective layer, and the protective layer is wrapped around the periphery of the core board, comprising the following steps:
[0021] 1) Production of the core board: Proportion the raw materials of the core board according to the proportion, 50-60 parts of mineral wool, 10-20 parts of silicon dioxide, 5-10 parts of perlite, 10-20 parts of aluminum phosphate liquid, bonding 5-10 pa...
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