A metal double-wall detachable heat preservation cover and its manufacturing method
A manufacturing method and a technology for a thermal insulation cover are applied in the directions of thermal insulation, pipeline protection, and pipeline protection through thermal insulation, etc., and can solve the problems of easily causing skin itching or respiratory allergy, poor waterproof performance, and poor compression and bending resistance. To achieve the effect of convenient and reliable use, beautiful appearance, and harm reduction
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[0013] The present invention will be described in detail below in conjunction with accompanying drawing: Figure 1-3 As shown, the metal double-wall detachable thermal insulation cover of the present invention mainly includes a metal shell 1 and a built-in thermal insulation layer 2, and the metal shell 1 is connected by side wall panels 3 around and outer wall panels 4 and inner wall panels 5 A block-shaped box is formed, and in the block-shaped box, there are refractory bricks stacked on top of each other and filling the inner cavity of the block-shaped box, forming at least two layers of parallel layers between the opposite outer wall panels and inner wall panels, and forming the above-mentioned Built-in insulation2. The metal double wall of the present invention includes an outer wall plate 4 and an inner wall plate 5 .
[0014] As shown in the figure, the outer wall plate 4 and the inner wall plate 5 of the present invention are correspondingly made into arc-shaped plate...
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