Phase change heat exchange device
A technology of phase-change heat and heat-exchange medium, applied in heating devices, solar thermal devices, indirect heat exchangers, etc., can solve problems such as pipeline over-temperature damage, pipeline material fatigue damage, poor steam heat conductivity, etc., to achieve Reduce temperature non-uniformity, optimize radial temperature uniformity performance, and avoid pipeline warpage
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[0040] Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0041] figure 1 It is a schematic diagram of the first embodiment of the structure of the phase change heat device of the present invention. Fromfigure 1 It can be seen from the partial sectional view that the phase change heat device 1 of the present invention includes a metal inner tube 2 , a metal outer tube 3 and a heat exchange medium 4 . The metal inner tube 2 and the metal outer tube 3 are coaxially arranged inside and outside. The annular space formed by the metal inner tube 2 and the metal outer tube 3 is a liquid phase area, and the inner space of the metal inner tube 2 is a vaporization area.
[0042] On the inside of the tube wall of the metal inner tube 2, a through medium channel is arranged along the axial length direction of the metal inner tube 2, and the medium channel is a capillary through hole 7, a capillary, a nozzle or a...
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