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        討論一下冷凝器冷熱流體熱交換方式

        發布日期:2019-09-19 04:32:34 訪問次數:649

        小易為你介紹一下冷凝器冷熱流體熱交換方式

        直接混合傳熱:冷熱流體直接接觸并混合和傳遞熱量。 這種類型的冷凝器結構簡單,傳熱效率高,適用于允許冷熱流體混合的場合。


          再生熱交換是一種熱交換方法,其在蓄熱器中實現熱交換。 這種冷卻器借助于具有大熱容量的固體儲熱體將熱量從熱流體傳遞到冷流體。 當再生器與熱流體接觸時,從熱流體接收熱量,再生器的溫度升高,然后冷流體接觸,熱量傳遞給冷流體,再生器的溫度為 降低,從而達到熱交換的目的。


          換熱器是各種換熱設備中非常重要的組成部分,在化工,冶金,電力,制冷,輕工等企業中占有非常重要的地位。 與管式換熱器相比,板式換熱器具有更好的傳熱性能,更小的尺寸和更低的價格。 它們已經在單相場中廣泛使用了一個多世紀。


          與其他類型的冷凝器相比,蒸發冷卻器具有更好的傳熱性能,更高的效率和更緊湊的結構,因為它們利用材料相變的能量。 目前,關于間接蒸發在換熱器中的應用的研究很多。 有理論研究和CFD研究,還有許多實驗研究。

        英文:

        Xiaoyi will introduce you to the heat exchange mode of condenser heat and condensate fluid


        Direct mixing heat transfer: cold and hot fluids contact directly and mix and transfer heat. This type of condenser has simple structure and high heat transfer efficiency. It is suitable for mixing hot and cold fluids.


        Regenerative heat exchange is a kind of heat exchange method, which realizes heat exchange in regenerator. This kind of cooler transfers heat from hot fluid to cold fluid by means of solid heat storage with large heat capacity. When the regenerator contacts with the hot fluid, it receives heat from the hot fluid, and the temperature of the regenerator rises. Then the cold fluid contacts, and the heat is transferred to the cold fluid. The temperature of the regenerator decreases to achieve the purpose of heat exchange.


        Heat exchanger is a very important part of all kinds of heat exchanger equipment. It occupies a very important position in chemical, metallurgical, electric power, refrigeration, light industry and other enterprises. Compared with tubular heat exchangers, plate heat exchangers have better heat transfer performance, smaller size and lower price. They have been widely used in single-phase fields for more than a century.


        Compared with other types of condensers, evaporative coolers have better heat transfer performance, higher efficiency and more compact structure, because they utilize the energy of material phase transformation. At present, there are many studies on the application of indirect evaporation in heat exchangers. There are theoretical studies and CFD studies, as well as many experimental studies.

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