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首页> 外文期刊>International Journal of Heat Exchangers >Study of Single-Phase Heat Transfer and Pressure Drop in Plate Heat Exchangers with and without Anti-Fouling Coatings
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Study of Single-Phase Heat Transfer and Pressure Drop in Plate Heat Exchangers with and without Anti-Fouling Coatings

机译：带有和不带有防污涂层的板式换热器的单相传热和压降研究

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摘要

A new method of anti-fouling technology with Polytelrafluoroethylene (PTFE) coatings was developed for plate heat exchangers. Experiments of single-phase flow and heat transfer in carbon and stainless steel plate heat exchangers with and without PTFE coatings were simultaneously conducted and the experimental results were compared with each other. Heat transfer coefficients in the heat exchanger with PTFE coating decrease by 6% while pressure drops also decrease by 4% as compared with that in the heat exchanger without PTFE coating. An economic analysis shows that the carbon plate heat exchanger with PTFE coatings has lower production cost than the stainless steel plate heat exchanger without PTFE coatings. Also, field experimental results have confirmed the advantage of anti-fouling performance of the heat exchanger with PTFE coatings.
机译：开发了一种用于板式换热器的聚四氟乙烯（PTFE）涂层防污技术的新方法。同时进行了有和无PTFE涂层的碳板和不锈钢板式换热器的单相流动和传热实验，并将实验结果进行了比较。与没有PTFE涂层的热交换器相比，带有PTFE涂层的热交换器的传热系数降低6％，而压降也降低4％。经济分析表明，具有PTFE涂层的碳板热交换器比没有PTFE涂层的不锈钢板热交换器具有更低的生产成本。而且，现场实验结果已经证实了具有PTFE涂层的热交换器的防污性能的优势。

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