Duct Collectors

COLLECTOR TYPES USED IN INDUSTRY
Situation	Concentration	Particle Size	Cyclone	High Efficiency Centrifugal	Wet Collectors (Medium Pressure)	Fabric Arrester (Dustbox)
CNEMICALS AND PAINT PIGMENTS
Material Handling	Light to Moderate	Fine to Medium	Sometimes	Often	Often	Often
Crushing, Grinding	Moderate to Heavy	Fine to Coarse	Often	Often	Sometimes	Often
Pneumatic conveying	Very Heavy	Fine to Coarse	Often	Sometimes	Not Often	Often
Roasters, Kilns, Coolers	Heavy	Medium to Coarse	Sometimes	Often	Often	Not Often
FOOD PRODUCTS
Mixers, Grinders, Weighing, Blending	Light	Medium	Not Often	Often	Often	Often
Coating Pans	Varied	Fine to Medium	Not Often	Not Often	Often	Often
FLOUR AND GRAIN PRODUCTS
Grain Handling	Light	Medium	Often	Sometimes	Not Often	Often
Grain Dryers	Light	Coarse	-	-	-	Sometimes
Flour Dust	Moderate	Medium	Not Often	Often	Sometimes	Often
Feed Mill	Moderate	Medium	Often	Often	Sometimes	Often
METAL WORKING
Production grinding, scratch brushing, abrasive cutoff	Light	Coarse	Sometimes	Often	Often	Often
Portable and Swing frame	Light	Medium	Not Often	Often	Often	Often
Buffing	Light	Varied	Often	Not Often	Often	Not Often
Tool Room	Light	Fine	Often	Often	Often	Often
Cast-iron Machining	Moderate	Varied	Not Often	Often	Often	Often
PLASTICS
Raw Material Processing	See Chemicals	See Chemicals	See Chemicals	See Chemicals	See Chemicals	See Chemicals
Plastic Finishing	Light to Moderate	Varied	Often	Often	Often	Often
RUBBER PRODUCTS
Mixers	Moderate	Fine	-	-	Often	Often
Batchout Rolls	Light	Fine	-	-	Often	Often
Talc Dusting and Dedusting	Moderate	Medium	-	-	Often	Often
Grinding	Moderate	Coarse	Often	Often	Often	Often
WOODWORKING
Woodworking Machines	Moderate	Varied	Often	Sometimes	Not Often	Often
Sanding	Moderate	Fine	Often	Sometimes	Sometimes	Often
Waste Converying, Hogs	Heavy	Varied	Often	Not Often	Sometimes	Sometimes
C O N T A C T D E S I G N - T H E . C O M

Source: ASHRAE Equipment Fundamentals 1983

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