Problem.3
A horizontal 1-2 condenser is required for the condenser of 27200 kg/hr of substantially pure n-propyl alcohol coming from top of distilling column operating at 15 psig at which pressure it boils at 118 Degree C. Water at 29.5 degree C will be used as the cooling medium. A dirt factor of 0.003 is required with allowable pressure drops of 2.0 psi for the vapour pressure and 10 psi for the water.
Assume that 8 ft tubes are used. Tubes are to be 3/4 Inch OD. 16 BWG on 15/16 Inch triangular pitch. Assume fan tube passes and the maximum baffle spacing. Design the condenser.
solution::
A horizontal 1-2 condenser is required for the condenser of 27200 kg/hr of substantially pure n-propyl alcohol coming from top of distilling column operating at 15 psig at which pressure it boils at 118 Degree C. Water at 29.5 degree C will be used as the cooling medium. A dirt factor of 0.003 is required with allowable pressure drops of 2.0 psi for the vapour pressure and 10 psi for the water.
Assume that 8 ft tubes are used. Tubes are to be 3/4 Inch OD. 16 BWG on 15/16 Inch triangular pitch. Assume fan tube passes and the maximum baffle spacing. Design the condenser.
solution::
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