Direct contact or barometric condenser
Direct contact condensers are constructed to effect condensation
of steam and other condensable vapors by means of direct contact
with the cooling water. There are two principle types, of counter flow
and parallel flow of condensable vapor and cooling water.
Shell and tube (surface) condenser
Shell & tube type condenser do not mix process vapor and cooling
water, so there is no contamination of the cooling water.
Below figure illustrations of shell & tube type heat exchanger is specially
adapted for condensing on ether the shell and tube side. If the fouling is
minor, shell side condensing is better, else condensing vapor is extremely
fouled, so, tube side condensation is better for easy mechanical cleaning
Tube bundles are adapted fixed type, u-tube type & floating head type
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