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  A heat exchanger is a device designed to transfer heat between two or more fluids with different temperatures (ie liquid, vapor or gas). Depending on the type of heat exchanger used, the heat transfer process can be gas-to-gas, liquid-to-gas or liquid-to-liquid and takes place through a solid separator that prevents fluid mixing or direct fluid contact. Other design features, including building materials and components, heat transfer mechanisms, and flow configuration, also help to classify the types of heat exchangers available. After discovering applications in a wide range of industries, we designed and manufactured a variety of heat exchange equipment used in heating and cooling processes. This article focuses on heat exchangers, exploring various available designs and types, and explaining their respective functions and mechanisms. In addition, this article outlines the selection considerations and common applications of each type of heat exchange equipment. Heat Exchanger t...

  H type fin tube  waste heat recovery device (also called economizer) The concept of economizer The  economizer  is the heating surface in the tail flue of the boiler that heats the boiler feed water into saturated water under the pressure of the steam drum. Because it absorbs relatively low temperature flue gas, it reduces the flue gas exhaust temperature and saves It improves energy and efficiency, so it is called an economizer. Working principle of economizer 1. The economizer greatly saves fuel. The economizer absorbs the heat of the low-temperature flue gas, reduces the temperature of the flue gas, reduces the flue gas loss, and saves fuel. Since the feed water is heated in the economizer before entering the steam drum, the heat absorption of the feed water on the heating surface is reduced, and the economizer can be used to replace part of the expensive evaporation heating surface. 2. The economizer can reduce the temperature of the flue gas, recover the heat ...