Flue-curing tobacco device and heating assembly with vacuum heat insulation effect
A technology of vacuum heat insulation and heating components, applied in the shape of heating elements, ohmic resistance heating, tobacco, etc., can solve the problems of complex heat insulation structure and easy heat dissipation, and achieve simplified fixing methods, avoiding outward diffusion, and fewer parts Effect
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[0034] In order to have a clearer understanding of the technical features, objectives and effects of the present invention, the specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
[0035] Such as figure 1 , figure 2 As shown, the roasting smoking appliance in a preferred embodiment of the present invention includes a heating assembly 1, and the heating assembly 1 includes an outer tube 11 and an inner tube 12.
[0036] The outer tube 11 is sleeved outside the inner tube 12, and both ends of the outer tube 11 are fixedly connected to the outer wall surface of the inner tube 12. A vacuum zone 13 is formed between the inner wall surface of the outer tube 11 and the inner tube 12. To achieve the thermal insulation effect, the heat on the inner tube 12 is prevented from spreading outward.
[0037] The inner tube 12 includes a tubular substrate 19, and a heating circuit 14 formed on the surface of the tubular substrat...
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