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Showing posts from August, 2017

Dust Explosions – Sources of Dispersion and Ignition Not Independent

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From Eur Ing Keith Plumb | Pulse | LinkedIn Corn Silo Topping - Junkin Media Dust Explosions – Sources of Dispersion and Ignition Not Independent Published on August 18, 2017 Eur Ing Keith Plumb Process and Equipment Consultant In the November 2015 issue of the Chemical Engineer I wrote an article ( https://www.integpharma.com/white-papers ) about the fatal flaws associated Hazardous Area Classification. In this article I wrote the following with respect to equipment selection. “Also, the logic behind this selection is that the event that  causes a dust cloud to form is independent of the event that leads to an ignition source becoming active. This is probably true for electrical equipment, less so for non-electrical equipment and could be completely  wrong for an electrostatic spark where the creation of the dust cloud  could also create the spark.” The video at the link below shows a corn silo at White Farms Inc in Indiana, USA, topplin...

Grain Bin Collapse with flashfire

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From Bryan Haywood SAFTENG July 31, 2017 at approximately 1:00 pm. Switz City, Indiana. White Farms Inc. Overhead tank collapsed full of corn. It hit a power line on the way down and sparked the grain dust igniting the dust and causing the flash. There were no injuries! Bryan Haywood SAFTENG Published on Jul 31, 2017