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Imbalance heat transfer in the combined feed exchangers

  1. Apr 15, 2008 #1
    We are experince imbalance heat in the hydrocraker combined feed exchangers which result in low tempreature in one side of the exchanger and high in the other side. The problem is unique and what ever the unit is depressurized the problem swith from one pass to the other pass. I would like to know if any one heard of such problem in the industrial and the way to resolve it.

    I couldn't insert the PFD, but the exchanger having two parall passes with six exchanger in serious each and exchanger tempreature between the feed (HC+H2) in the shell side and reactors effluent in the tube side. It is worth mentioned that the effluent from the reactor is symmetrical and there is no control on it.

    Looking forward to hear from you,
  2. jcsd
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