Calculations for Process Design of Inter Stage Coolers in Alumina Refinery

Hi Friends,

In continuation to our earlier posts pertaining to design of critical equipment of Alumina refinery, we are presenting here the calculations for Inter stage coolers used for sharp temperature drop of seed mixed aluminate liquor for improving the liquor productivity across precipitators. We are aware that only a few manufacturers are there for this specialized equipment  and thus utilize their expertise in designing this equipment. We have developed this design calculations with lot of efforts and the results of this mathematical model presented below are comparable and close to the heat transfer area worked out by specialized equipment suppliers. The details are presented below-

The inlet and outlet temperature of hot stream hydrate slurry are 70 and 60 degree C respectively which you may find missing in above tabulated data and calculations.

We will appreciate your views / suggestions / remarks / comments, if any, on the subject.

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Thanks and regards.

Kunwar Rajendra