Anti-corrosion tubular heat exchanger

Abstract

The invention relates to the field of chloropropene production equipment, in particular to an anti-corrosion tubular heat exchanger. The anti-corrosion tubular heat exchanger comprises a cylindrical shell, a first cap is arranged at one end of the shell, and a second cap is arranged at the other end of the shell; a liquid inlet end tube is arranged at the end of the first cap, and a liquid outlet end tube is arranged at the end of the second cap; the liquid inlet end tube is in welded connection with a liquid collection tray in the first cap; the liquid collection tray is connected with a heat exchange tube mechanism through screws; the heat exchange tube mechanism comprises tube plates at two ends, and a plurality of heat exchange tubes are arranged between the tube plates in a connected mode; deflection baffles are arranged among the heat exchange tubes in a connected mode; a shell pass inlet tube is arranged on the lower portion of the shell, and a shell pass outlet tube is arranged at the other end, opposite to the shell pass inlet tube, of the upper portion of the shell; the upper portion of the shell is provided with a first slave tube, and the lower portion of the shell is provided with a second slave tube. Heat exchanger blockage caused by carbon formation of reactants in a system is avoided, and the heat exchange efficiency is improved; corrosion of the reactants to the equipment is prevented; the anti-corrosion tubular heat exchanger is high in heat exchange efficiency, convenient to use and easy to install.

Description

[0001] (1) Technical field [0002] The invention relates to the field of allyl chloride production equipment, in particular to an anti-corrosion tube and tube heat exchanger. [0003] (2) Background technology [0004] The shell-and-tube heat exchanger is a heat exchanger with a traditional structure, and the market has a large amount. The built-in heat exchange tubes of commercially available shell and tube heat exchangers mainly have two structural types: straight tube and U-shaped. The heat exchange is more sufficient and the heat exchange efficiency is higher. On the other hand, the U-shaped bending structure of the heat exchange tube is conducive to stress release and other advantages. Therefore, the U-shaped tube heat exchanger is especially suitable for food, heating and other industries with large temperature differences in the working medium. Supporting heat exchange systems for petrochemical and other manufacturing industries. However, the U-shaped tube heat exchan...

AI Technical Summary

Problems solved by technology

However, the U-shaped tube heat exchanger is easy to form

[0005] The phenomenon of flow blockage requires frequent shutdown and maintenance; and the heat exchanger used in the production of chloropropene, due to a small amount of hydrochloric acid in the chloropropene, severely corrodes the equipment, which makes the equipment loss aggravated and the number of shutdown inspections is high; therefore, a Improve heat transfer efficiency and corrosion-resistant heat exchanger

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