What is the Big Deal about Combustible Dust Vacuum Cleaners?

Why industrial combustible dust vacuum cleaners require expert design and the options available to remove and prevent concentrations of fugitive combustible dust that cause catastrophic secondary dust explosions.

There is also the possibility that there may be static electricity build-up on individual dust particles sucked into the vacuum which is another reason why combustible dust vacuum cleaners need redundant grounding in five different ways, eliminating the possibility of any kind of explosion from the vacuum cleaner. Combustible dust vacuum cleaners, designed to remove fugitive combustible dust safely and efficiently, include portable drum style vacuums, stationary continuous duty central vacuum systems, and portable breakaway vacuum cleaners that are an economical alternative to central vacuum cleaning systems. Fugitive dust, or particulate matter (PM), is basically any solid or liquid suspended in the air through wind or human interaction. While half of all fugitive dusts are greater than 10 microns (human hair is 70 microns) and settle on surfaces rather quickly, the other half are smaller than 10 microns (not visible to the naked eye) and can remain suspended in the air for days or weeks settling on the top of equipment, rafters and ducting.

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