8.4   Water header, tube bundle and shell


A significant factor in determining the thickness of the various parts of the heater is the tube bundle diameter. To find this the number of U-tubes needed to pass the feed flow has to be found. Each LP feed heater passes full feed flow.

      8.4.1  Tube thickness

      8.4.2  Flow area

      8.4.3  Tubeplate thickness

      8.4.4  Water header wall thickness

      8.4.5  Water header branch thickness

      8.4.6  Compensations for openings in the waterbox

      8.4.7  Shell and dished end thickness


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