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Explore the application and selection of steam heat exchangers

A finned tube steam heat exchanger is a combined unit that uses steam as a heat exchange medium to heat the air. The structure consists of a perforated outer frame and a heat pipe. This is also a common finned tube steam heat exchanger with bottom tube fins. The heat exchanger of the sheet is a heat exchange device. The central tube is cooked and the surrounding air is heated by heat conduction, heat radiation and forced convection. It is mainly used for heating and drying in workshops, factories, industrial and mining enterprises, drying rooms, etc.



Steam heat exchangers, usually in the form of high-temperature steam, are stirred with soda water. The heating equipment is immersed in the pipe and can be used according to the purpose. select. The structure is mainly composed of a shell, a core, a flange and a connecting pipe. The core is covered with small inclined holes, and steam is sprayed into the shell from the inclined holes at a high speed, so that there is a strong spraying effect on the surrounding cold water, and the cold water passes through the steam. The inclined small hole on the outer wall of the heater enters into the high-speed mixed heat exchange with steam for sufficient heat exchange to heat the water in the entire water tank.


Generally, the spacing and plate height of a fin-tube steam heat exchanger mainly affect the fin ratio. The fin ratio and the heat transfer coefficient of the medium inside and outside the tube are very high. Big relationship. If the heat transfer coefficients of the tube and the outer film are very different, you should choose a finned tube with a larger fin ratio, such as steam heating air.



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