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Hi we have a rectangle chemical tank size 40 inch x 50 inch x 12 inch height. Capacity of 400 Liters. Specific heat of the chemical is same as water. Tank is fully insulated outside. Top is covered with lid. And inside chemical circulated continuously.
Starting temp of chemical : 86F
Operating temp of chemical :176 F
Time required to heat the chemical : 2 hours.
We have to heat the chemical by hot water SS304 coil(1 inch OD, wall thickness 0.65 inch). Hot water temperature inside the coil is 195 F. Pressure 20 PSI.
Could you help me the required surface area for the coil, & the design of coil like helical or special design arrangement required.?