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Reducing Dust Explosion Risk

March 24, 2014

Justin Bishop, Ph.D., P.E., CFEI, Exponent Failure Analysis Associates, Warrenville, IL, will be presenting “Reducing the Risk of Dust Explosions by Controlling Electrical Ignition Sources,” Thursday, April 3, 2014, at 2pm Eastern, as part of Powder & Bulk Solids’ DryPro Webinar Series.

“Dust explosions are a potential hazard in bulk solid manufacturing and process facilities,” says Bishop. “A dust explosion occurs when a fuel (in this case combustible dust), ignition source, oxygen, confinement, and dispersion come together. If any of the five items above are removed from the scenario, an explosion can be prevented. Additionally, if the fuel or ignition source is the item removed from the scenario then a fire can also be prevented.  

“Electrical ignition sources are routinely identified as possible ignitions sources during dust explosion investigations,” Bishop continues. “In order to reduce the risk of electrical equipment becoming an ignition source, the correct equipment must be used and the installation of such equipment must be as directed by the manufacture. This talk will discuss applicable national codes and standards used for guidance when selecting electrical equipment to be used in dusty environments and provide real world examples of appropriate and inappropriate electrical equipment for the intended area.”

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