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讨论一下冷凝器冷热流体热交换方式

发布日期:2019-09-19 04:32:34 访问次数:59

小易为你介绍一下冷凝器冷热流体热交换方式

直接混合传热:冷热流体直接接触并混合和传递热量。 这种类型的冷凝器结构简单,传热效率高,适用于允许冷热流体混合的场合。


  再生热交换是一种热交换方法,其在蓄热器中实现热交换。 这种冷却器借助于具有大热容量的固体储热体将热量从热流体传递到冷流体。 当再生器与热流体接触时,从热流体接收热量,再生器的温度升高,然后冷流体接触,热量传递给冷流体,再生器的温度为 降低,从而达到热交换的目的。


  换热器是各种换热设备中非常重要的组成部分,在化工,冶金,电力,制冷,轻工等企业中占有非常重要的地位。 与管式换热器相比,板式换热器具有更好的传热性能,更小的尺寸和更低的价格。 它们已经在单相场中广泛使用了一个多世纪。


  与其他类型的冷凝器相比,蒸发冷却器具有更好的传热性能,更高的效率和更紧凑的结构,因为它们利用材料相变的能量。 目前,关于间接蒸发在换热器中的应用的研究很多。 有理论研究和CFD研究,还有许多实验研究。

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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