The process
Veneer dryers, sanders and saws produce wood dust that is extracted to cyclones and bag filters, and the dryers and boilers burn the waste. Combustible dust, so spark resistant construction on the extraction side.
The gas
Fibrous or stringy material that wraps a shrouded wheel. An open or straight radial impeller, spark resistant where the fibre is combustible, placed before or after the collector as the material allows.
Fans in this process
| Duty | What it does here | Type usually selected |
|---|---|---|
| Dust Collector Fan | The fan behind a bag filter, cyclone or multiclone on a dust extraction system. | Backward inclined and radial tipped |
| Bag Filter Fan | Pulls the process gas through the filter bags and discharges the cleaned gas to the stack. | Backward curved and radial tipped |
| Hot Air Fan | Circulates or supplies air at elevated temperature to a dryer, oven or kiln. | Backward curved and backward inclined |
| ID Fan | Sits at the outlet of a boiler, kiln or furnace and draws the flue gas through the plant to the stack. | Backward curved, backward inclined and radial tipped |
| Combustion Air Blower | Feeds a burner with air at the pressure the burner register needs. | Backward curved and radial tipped |