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Shanghai Chuanxin Electromechanical Equipment Co., Ltd
Sanlin Town, Shanghai
EXERGY heat exchanger is a device used for transferring heat, which transfers a portion of the heat from the hot fluid to the cold fluid to meet the specified process requirements. Heat exchangers play an important role in many industrial sectors such as chemical, petroleum, power, and food industries. There are various types of heat exchangers, but according to the principles and methods of heat exchange between cold and hot fluids, they can be basically divided into three categories: partition type, hybrid type, and thermal storage type. The following will discuss in detail the relevant knowledge of heat exchangers:
1. Classification of heat exchangers:
According to the principle of heat transfer, heat exchangers can be classified into several types such as direct contact, duplex, partition, and heat storage.
Classification by structure: Heat exchangers can be classified into different types based on their structural characteristics, such as floating head, fixed tube plate, U-shaped tube plate, and plate.
Classified by purpose: Heat exchangers can be classified into heater, preheater, superheater, evaporator, reboiler, cooler, condenser, and other types according to their purpose.

2. Structure and working principle of heat exchanger:
Inter wall heat exchanger: This is a widely used type, including jacket heat exchangers, immersed coil heat exchangers, spray heat exchangers, and sleeve heat exchangers. The characteristic of this type of heat exchanger is that the cold and hot fluids are separated by solid walls, and heat is transferred through the walls. It is suitable for situations where fluid mixing is not allowed.
Plate heat exchanger: A plate heat exchanger is composed of a series of corrugated metal sheets stacked together, forming thin rectangular channels between each sheet. Heat exchange is carried out through the sheets, and it has the characteristics of high heat transfer efficiency and compact structure.
3. Application areas of heat exchangers:
Industrial applications: Heat exchangers are widely used in industries such as chemical, petroleum, and power, and can be used as heaters, coolers, condensers, and evaporators.
Home application: The home heat exchanger solves the problem of collective heating for households and hot water in winter. Its working principle is the same as that of the heat exchanger for collective heating, but the size and style are different.
As a widely used equipment in various industries, the selection, design, operation, and maintenance of EXERGY heat exchangers are of great significance for ensuring production safety, improving production efficiency, and energy conservation and emission reduction. Through in-depth understanding of heat exchangers, people can better utilize this equipment, achieve effective energy utilization, and optimize production processes.