Question: For the problem given with minimum approach temperature difference, Tmin = 10 oC, carry out the Energy Integration Analysis using Pinch Technology by determining the

For the problem given with minimum approach temperature difference, Tmin = 10 oC, carry out the Energy Integration Analysis using Pinch Technology by determining the following: (a) Net amount of heat available in the streams based on I law. (b) Shift of temperature scales with net heat in respective intervals. (c) Construction of cascade diagram. (d) Pinch temperature and minimum hot & cold utility requirement. (e) Temperature enthalpy diagram (f) Total area requirement in priori. (g) Number of heat exchangers based on I law analysis. (h) Number of heat exchangers based on II law analysis. (i) Hot end design. (j) Cold end design. (k) Heat exchanger network for the maximum energy recovery (MER). (l) Number of loops crossing the pinch. (m) Identification of the loops. (n) Final heat exchanger network after breaking all the loops and restoring Tmin as and when there is a violation. Stream No Condition FCp (kW/oC) h (kW/m2 oC) Source Temperature (oC) Target Temperature (oC) 1 Hot 30 0.4 300 80 2 Hot 45 0.55 200 40 3 Cold 40 0.75 40 180 4 Cold 60 0.65 140 280 Assume the supply temperature of hot & cold utility are 330 oC and 15 oC respectively. Heat transfer coefficient of hot utility and cold utility is 0.5 kW/m2 oC.

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