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Como Do you feel 95% humidity leaving the dryer is a reasonable assumption at sea level ? Mark

Thank you very much Comoran. This is a very interesting subject... i am studying like crazy and the logic you provide is very helpful. The way i see it if i want to determine the heat input required from what we have to date - i have to calculate the energy to replace the heat lost through the...

Yes sir - visited the BBC weather page and the RH for the week is 65-81% so quite high indeed - i imagine this will make it more difficult to dry the sand ? MO

Cormoran, They want the product humidity to be reduced from 18% to 0.5%. Not sure the RH - but client is in Costa Rica so i am gonna guess relatively high (~65%) ? Thanks, MO

I'm a rookie in equipment design and am trying to write an excel spreadsheet to help me properly size rotary dryers and burners for different applications. Because equipment design is not my primary job i don't have the time to read 15 different books on the subject. Does anyone know of a GREAT...

Ok seems i need to do some heat balance work..anyone know of a good reference for this type of thing - specific to rotary equipment ?? Thanks. The rookie.

Trying to calculate the burner size required to dry 7 MTPH of 18% humidity sand in a rotary dryer. The dryer has been sized for retention time = 1hr or 2.2m ID inside refractory x 15m LG on 1degree incline. Plan on 6" castable refractory lining. Anyone know how to determine the heat input...