Metal vacuum insulation panel and its preparation method
A vacuum insulation panel and metal plate technology, which is used in insulation improvement, climate change adaptation, building components and other directions, can solve the problems of complex construction process, cost of insulation layer tiles falling off, and high moisture content of core materials, shortening the construction period, The effect of weight reduction and low production cost
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Embodiment 1
[0030] Embodiment 1: see figure 1 The metal vacuum insulation panel consists of a shell 1 and a core material 2. The shell 1 is made of thin metal plates such as stainless steel plate, galvanized plate, electro-tinned plate or aluminum alloy plate with a thickness of 0.15-1.5mm; the core material 2 is glass fiber, For pearl sand, perlite, vermiculite, airgel, etc., the core material 1 is preferably dried, packed in a plastic bag, and pre-vacuumized. The production method of the metal vacuum insulation panel is as follows: firstly, two stainless steel plates with the same size and thickness of 0.3 mm are cut to make the shell 1, and the two stainless steel plates are folded and formed by stamping; secondly, the pearlescent sand with a certain particle size or perlite etc. after being dried in a continuous kiln, put into a plastic bag, and seal after vacuuming to make it a core material 2 with a smaller volume and a certain shape; put the packaged core material 2 into two A com...
Embodiment 2
[0031] Example 2: See Example 1 and figure 2 , which is basically the same as in Example 1, except that the metal plate forming the shell 1 is directly punched out of the groove for edge sealing during stamping, and low-temperature metal solder such as tin, zinc, magnesium and low-melting point alloys are placed in the groove , the hermetic sealing of the housing is accomplished by brazing in a vacuum furnace.
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