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Heat transfer calculation

2012-04-02View Original

Thread Content

To raise the temperature of 270 cubic meters per hour of cyclohexane from 180°C to 183°C, how much 1.4 MPa medium-pressure steam is required? The heat exchange area is 203 cubic meters. I need help with this; thank you~~~~
Reply #22012-04-03
Why is there no one? It’s an urgent need, everyone!~~~~~~~~~~
Reply #32012-04-03
Calculation formula = Cyclohexane flow rate * specific heat * temperature difference / (enthalpy at the temperature before steam releases heat - enthalpy at the temperature after heat release)
Reply #42012-05-05
I just saw it now, but thank you so much anyway; I’ve learned something from it~~~~~~~
Reply #52012-05-05
Steam heating is generally discharged through a steam trap, so the temperature remains essentially constant; the amount of steam required must be calculated using the latent heat of steam. M = (Q * Cp * Δt) / latent heat of steam at 1.4 MPa
Reply #62012-07-04
O(∩_∩)O Thank you so much~~~~~~~~~~~~~~~~~~~~~~~~~

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