What is Direct Contact Heat Exchanger

What is Direct Contact Heat Exchanger
  • In a direct contact heat exchanger, the exchange of heat takes
    place by direct mixing of hot and cold fluids. And the transfer of heat takes
    place simultaneously.
  • Example: cooling towers, jet condensers, direct contact feed
  • The above figure shows a direct contact heat exchanger in
    which steam mixes with cold water, it gives its latent heat to the cold water
    and gets condensed. The hot water and the non condensable gas leaves the
    container as shown in the figure.

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