After cooler is heat exchanger for cooling and normalising the hot air/gas discharge from compressor/ lobe blower/ centrifugal fan/ side channel or ring blowers.
During adiabatic compression in blower/compressor chamber the temp. of inlet air/gas gets increased. As a result this the discharge air/gas becomes very hot.This hot air/gas is conveyed and used in processes at short distances. Which is harmful to some processes when it is directly used.
In case of STP/ETP the hot air may be harmful to bacteria in digestor tanks.
In pneumatic conveying material li
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