Source Capture Hoods

Source capture of pollutants using localized exhaust hoods is an economical and a cost-effective means to control plant air quality. Source capture or collection of dust at its source minimizes the amount of air that needs to be cleaned as well as the amount of make-up air required and the cost of control. Carefully designed hoods are available as standard “off the shelf” designs, or they can be custom designed to maximize capture of particulate and fume. In most cases, where we have not seen or applied a hood to a similar application, the starting point is “Industrial Ventilation – A Manual of Recommended Practice for Design” manual.

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Ventilation Equipment Integration Advantages of Custom Exhaust Hoods Disadvantages of Fixed Hoods Applications for Hoods Typical Exhaust Hood Designs

Advantages of Custom Exhaust Hoods

Moveable or fixed, requiring minimal amount of space
Custom designed to maximize collection efficiency at a point source
Fit any process
Can be added to an existing central dust collection system
Isolate pollutant points within a plant
Constructed of carbon steel, stainless steel, FRP or PVC

Disadvantages of Fixed Hoods

If the hood is not positioned close to the source it will not pick-up dust effectively and probably not be used
Man coolers and cross drafts may move air away from the hood inlet and destroy effectiveness of source capture

Applications for Hoods

Work stations
Weigh stations
Bins
Hoppers
Mixers
Tools
Furnaces
Laboratory hoods
Open surface tanks
Weld stations

Typical Exhaust Hood Designs Available

Barrel and Bag Filling
Sampling Box
Foundry Shakeout
Laboratory
Oven Exhaust
Lathe
Melting Furnace
Pouring Station

We are familiar with atypical designs necessary for the proper collection of smoke, dust and fume. Call us and see how we can help.