Pneumatic Transport and Conveying - Carrying Velocities
Recommended air velocity for pneumatic transport of products like cement, coal, flour and more.
The table below indicates recommended air carrying velocities in pneumatic solid transport systems.
Product | Approximately Density | Suction Pressure to Pickup | Air Carrying Velocity | |
---|---|---|---|---|
(lb/ft3) | (in H2O) | (m/s) | (ft/min) | |
Ashes, powdered clinker | 30 - 43 | 6500 - 8500 | ||
Ashes from coal | 30 | 3 | 28 | 5500 |
Beans | 28 | 4 | 31 | 6000 |
Buffing dust | 2.5 | 19 | 3700 | |
Cement | 100 | 5 | 30 - 46 | 6500 - 9000 |
Coal, powered | 20 - 28 | 4000 - 5500 | ||
Coffee beans | 15 - 20 | 3000 - 4000 | ||
Cork | 14 | 1.5 | 17 - 28 | 3000 - 5500 |
Corn, wheat, rye | 45 | 3.5 | 25 - 36 | 5500 - 7000 |
Cotton, dry | 5 | 2 | 22 - 30 | 3500 - 6500 |
Flour | 17 - 30 | 3500 - 6500 | ||
Grain dust | 10 - 15 | 2000 - 3000 | ||
Grinding and foundry dust | 30 | 2 | 17 - 23 | 3500 - 4500 |
Jute | 22 - 30 | 4500 - 6500 | ||
Lead dust | 20 - 30 | 4500 - 6500 | ||
Leather dust | 8 - 12 | 1800 - 2500 | ||
Lime, hydrated | 30 | 3 | 25 - 36 | 5500 - 7500 |
Limestone dust | 10 - 15 | 2000 - 3500 | ||
Malt | 35 | 3 | 24 | 4800 |
Metal dust | 15 - 18 | 3500 - 4000 | ||
Metal turnings | 2.5 | 20 | 4500 | |
Mineral wool | 12 | 2 | 22 | 3500 |
Oats | 22 - 30 | 4500 - 6500 | ||
Paper cuttings | 20 | 3 | 25 | 5000 |
Plastic molding powder | 15 - 17 | 3000 - 3500 | ||
Plastic dust | 10 - 12 | 2000 - 2500 | ||
Pulp chips | 22 - 36 | 4500 - 7000 | ||
Rags, dry | 30 | 2.5 | 20 - 33 | 4000 - 6500 |
Rubber dust | 10 - 15 | 2000 - 3000 | ||
Salt | 28 | 5500 | ||
Sand | 30 - 46 | 6000 - 9000 | ||
Sandblast | 17 - 23 | 3500 - 4500 | ||
Sawdust and shavings, light | 12 | 2.5 | 10 - 17 | 2000 - 3500 |
Sawdust and shavings, heavy | 17 - 23 | 3500 - 4500 | ||
Shavings, light | 9 | 2.5 | 22 | 3500 |
Shavings, heavy | 24 | 3 | 20 | 4000 |
Sugar | 30 | 6000 | ||
Textile dust | 10 - 15 | 2000 - 3500 | ||
Vegetable Pulp, dry | 23 | 4500 | ||
Wood chips | 20 - 25 | 4500 - 5500 | ||
Wool | 22 - 30 | 4500 - 6000 | ||
- 1 lb/ft3 = 16.018 kg/m3
- 1 in H2O = 248.8 N/m2 (Pa) = 0.0361 lb/in2 (psi) = 25.4 kg/m2
- Systems for pneumatic transport - Pneumatic transport systems suitable for powder or solids
- Pneumatic transport fundamentals - An introduction to pneumatic transport of powders
Related Topics
-
Fluid Flow and Pressure Loss
Pipe lines - fluid flow and pressure loss - water, sewer, steel pipes, pvc pipes, copper tubes and more. -
Hydraulics and Pneumatics
Hydraulic and pneumatic systems - fluids, forces, pumps and pistons. -
Piping Systems
Dimensions of pipes and tubes, materials and capacities, pressure drop calculations and charts, insulation and heat loss diagrams.
Related Documents
-
Conveyors - Belt Speed
Maximum conveyor belt speed. -
Conveyors - Capacities
Calculate conveyor capacities. -
Conveyors - Load & Power Consumption
Conveyor required power consumption vs. load. -
Conveyors - Maximum Inclination vs. Product
Maximum conveyor inclination slopes for typical products. -
Pneumatic Powder and Solid Transport Systems
Pneumatic transport systems used to move powder and other solid products. -
Pneumatic Transport - Solids and Particle Size
Particle sizes for common products like coal, sand, ash and more. -
Pneumatics - Transport of Solids and Separator Types
Separators used in pneumatic solids transport systems and their minimum particle size. -
Sieve Sizes vs. Mesh Designations
US commercial sieve sizes vs. mesh designations. -
Slurry Transports - Minimum Flow Velocities
Flow velocities in slurry transport systems to avoid settling of solids. -
Stockpile Volumes
Volume of natural stockpiles - cubic feet, yard, metre and decimetre.