Introduction of plate type heat exchanger intermediate wall heat exchanger
The most typical partition wall heat exchanger in plate heat exchangers has a long history in industrial applications and still dominates all heat exchangers.
The main structure of the wall-mounted heat exchanger consists of heat exchanger plates and gaskets between the plates. It has long dominated the market, but its volume is large, heat exchange efficiency is low and the gasket replacement is expensive (the replacement cost of the strips is about 1/3-1/2 of the whole process cost). It is mainly used for heat exchange between liquid and liquid. It is often called water and water heat exchange in the industry, and its heat exchange efficiency is 5000w/m2.K.
In order to improve the heat transfer coefficient of the fluid outside the pipe, a certain number of transverse baffle plates are usually installed in the shell heat exchanger casin.,The baffle not only prevents fluid short circuit, increases fluid velocity, but also forces the fluid to flow through the tube bundle multiple times according to the specified path, so that the degree of turbulence is greatly increased. The commonly used baffles are rounded and disc shaped