The various dust collectors include:
Gravity separators --> balloon flues, clean out ducts, settling
Impact devices --> baffled ducts,
Centrifugal collectors --> cyclones,
Filtration devices --> furnace filters, paint filters, bag
houses, rolling filters,
Electrostatic Precipitators --> single and two stage or
Figure 4-2 shows a cyclone dust separator.
Cyclone Centrifugal Separator
4.4 DUCT SYSTEMS. Duct systems can be made of galvanized metal, PVC
plastic, ABS plastic, and reinforced plastic. Metal duct may be spiral
wound with joints and flexible duct may be made of many different materials.