Laminated finned tube heat exchanger

Abstract

The invention provides a laminated finned tube heat exchanger. The heat exchanger comprises a plurality of heat exchange units, a liquid inlet main pipe, a liquid outlet main pipe, a plurality of bent tubes, side plates, supporting tube plates, an upper air flue, a lower air flue and air flue square flanges. Each heat exchange unit comprises a plurality of finned tubes and a shell. The heat exchange units are fixed by welding the shells. The heat exchange units form a heat exchanger body, the finned tubes, located at the bottom of the heat exchanger body, of the heat exchange units are connected with the liquid inlet main pipe, the finned tubes, located on the top of the heat exchanger body, of the heat exchange units are connected with the liquid outlet main pipe, the supporting tube plates are welded to the upper end and the lower end of the heat exchanger body respectively, the side plates are welded to the two sides of the heat exchanger body, and the air flue square flanges are arranged between the side plates and the upper air flue and between the side plates and the lower air flue. The laminated finned tube heat exchanger can reduce production and design cost and improve production efficiency.

Description

technical field [0001] The invention relates to the field of heat exchangers, in particular to a laminated finned tube heat exchanger. Background technique [0002] Heat exchangers have been developed for hundreds of years, and they are widely used in many fields of the national economy, such as food, pharmaceuticals, petrochemicals, air conditioning, power, metallurgy, light industry and other industries. my country is the world's most important market for heat exchange, heat dissipation, and cooling equipment. According to statistics, the proportion of investment in heat exchangers in the proportion of investment in modern industrial equipment is as high as 30%, and heat exchangers account for 30% of the total production equipment in the oil refining industry. 40%, almost all seawater desalination process devices are composed of heat exchangers. [0003] The finned tube used in the finned tube heat exchanger is to add more dense fins to the original ordinary heat exchange ...

AI Technical Summary

Problems solved by technology

Due to the need for separate design of heat exchanger equipment required by different technological processes, coupled with the wide use and large number of heat exchangers, the design and processing workload of heat exchangers has greatly increased, and there is no advantage in mass production. Therefore, it is urgent to The existing heat exchanger structure is optimized and improved to reduce production design costs and improve production efficiency

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