Arrangement of gaps in heat exchanger baffle plates
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On GB151, the gaps in the baffle plates of horizontal heat exchangers for single-phase fluids are arranged horizontally up and down, while those in the baffle plates for gas-liquid mixtures are arranged vertically left and right. What is the reasoning behind this?
In a horizontal condenser, the fluid flowing in the shell side is a mixture of gas and liquid; the gaps in the baffle plates should be arranged vertically left and right, and a liquid outlet should be provided at the lowest point of the baffle plates. It is inappropriate to design the baffle notches to be arranged above and below, as this hinders the drainage of the condensate. Especially when the condensate level is above the notch in the upper baffle, a liquid seal is formed, which hinders steam flow and affects the heat transfer and operation of the equipment.