Flame Flashbacks: Causes and Prevention

AIChE Webinar
Originally delivered Apr 7, 2010

This webinar addresses the principle of flammability of vapor/air mixtures, including flammability limits, ignition temperatures, the effect of inerts and how to determine the flammability of any particular mixture. It also covers ignition sources and the common methods of avoiding flashbacks, including mixture dilution/enrichment, velocity flame arrestors (and how to apply them), mechanical arrestors, liquid seal arrestors, quick close valves and chemical injection systems. A list of references is provided for further study.

Professional Development Hours
1.0 PDHs
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Dan Banks, P.E.

Dan Banks is a chemical engineering graduate of Rice University, and a P.E. in Oklahoma. He has worked with combustion systems for 33 years, mostly in the design of thermal oxidizer systems for vapors and liquids.

He began private consulting as Banks Engineering in 1996. Presently his work includes combustor accident investigations, safety reviews, and system upgrades to improve performance and safety. He also designs new combustor systems and assists end users with system specifications and proposal evaluation.

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