Common Calculations 

Rate of Production 



Oil Tons Per Hour

This formula calculates rate of production for a drum plant. 

Moisture Content
% 

Rate of Production













Length of Slat Conveyor 





Height:
feet 

Length of Conveyor (Feet)

This formula calculates the length of a slat conveyor at a 45 degree angle.










Speed of Slat Conveyor 

Motor RPM


Motor Sheave Size
inches 
This formula calculates the speed in feetperminute of a slat conveyor. 





Driven Sheave Size


Gear Box Ratio








Speed (Feet Per Minute)











Baghouse Calculations 

Baghouse Size 

Drum Radius



This formula calculates the correct baghouse size for a particular drum. 





Air Velocity Required
CFM 

Baghouse CFM








Square Feet of Cloth 



Length of Bag

This formula calculates the amount of cloth needed for a particular baghouse in square feet. 







Square Feet of Cloth








Air to Cloth Ratio 

Diameter of Bag


Length of Bag

This formula calculates air to cloth ratio by adding in the drum air velocity.
Note: Most manufacturers figure drum air velocity between 900  1000 CFM 







Air Velocity
CFM 







Air to Cloth Ratio






Pump Statistics 

 HL225 .01898 gallons per revolution
 K225 .1055 gallons per revolution
 L225 .23 gallons per revolution
 2" Q34 .23 gallons per revolution
 3" Q34 .61 gallons per revolution
