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The most commonly used measures to improve the heat transfer effect of heat exchanger
Sep 03, 2020

One of the most common measures to improve the heat transfer efficiency of a heat exchanger is to increase the temperature difference in heat transfer.

 

There are two common methods: One is to reverse the flow of cold and hot fluids against each other when the inlet and outlet temperatures of hot and cold fluids are constant; that is, to change the mean heat transfer temperature difference by using different heat exchange surfaces. The second is to extend the difference between the inlet and outlet temperatures of cold and hot fluids to the maximum average heat transfer temperature difference. The method is limited by heat exchangers or process conditions, so it should be considered as much as possible during use. The most important way of heat transfer. For example, the temperature of the cooling water in a heat exchanger circulating water cooler is affected by local temperature, humidity, etc. Difficult to cool down, on the other hand, the energy consumption greatly increases. Therefore, it is necessary to take into account the actual situation of thermal system energy, and rationally use this method, so as not to blindly increase the heat transfer temperature difference of the heat exchanger.

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