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(1) The heat pipe heat exchanger can completely separate the cold and hot fluids through the middle partition of the heat exchanger. During operation, when a single heat pipe is damaged due to wear, corrosion, over-temperature and other reasons, it will basically not affect the heat exchanger run. Heat pipe heat exchangers are used for flammable, explosive and corrosive fluids, and have high reliability in heat exchange occasions.
(2) The cold and hot fluids of the heat pipe heat exchanger flow completely separately, which can easily realize the countercurrent heat exchange of the cold and hot fluids. Both cold and hot fluids flow outside the tube. Since the heat transfer coefficient flowing outside the tube is much higher than the heat transfer coefficient flowing inside the tube, it is very economical to use in low-grade heat energy recovery occasions.
(3) For fluids with high dust content, heat pipe heat exchangers can solve the problems of heat exchanger wear and ash blocking through structural changes and expansion of the heating surface.
(4) Bila the heat pipe heat exchanger is used to recover the corrosive flue gas waste heat, the temperature of the heat pipe wall can be adjusted by adjusting the heat transfer area of the evaporation section section and the condensation section, so that the heat pipe avoids the largest corrosion area as much as possible.
A sealed metal tube, the inner wall of the tube is covered with a core mesh made of capillary structure material, and the middle is hollow. The tube contains a certain amount of heat carrier (such as liquid ammonia, freon, etc.) , which is vaporized and flows to the cold end, where the steam is condensed at the cold end, releasing latent heat of vaporization, and heating the cold fluid. The condensate flows back to the hot end, and so on.
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