Is there a condensation method using dry air cooling + water cooling in gas separation units?
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Due to the limitations of dry air cooling technology, is it possible to use a dry air cooling + water cooling condensation method in the gas separation unit?
In the vapor separation unit, the temperature of the cooled stream exiting from the tower top is low, which results in a low heat transfer driving force and requires a large heat exchange area – this is a characteristic of the vapor separation process. After dry air cooling, the temperature of the material drops further. If a water cooler is used as well, a larger area of cooler is required, which results in high costs and unsatisfactory cooling effects. It is recommended to use wet air cooling for cooling.