Dust explosion hazard assessment |
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| Authors: | Vahid Ebadat |
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| Institution: | 1. School of Safety Science and Emergency Management, Wuhan University of Technology, Wuhan, 430070, China;2. College of Resources and Environmental Engineering, Wuhan University of Science and Technology, Wuhan, 430081, China;3. Institute of Public Safety Research, Tsinghua University, Beijing, 100084, China;4. Department of Engineering Physics, Tsinghua University, Beijing, 100084, China;1. Fire & Explosion Protection Laboratory, Northeastern University, Shenyang, China;2. Dept. Physics and Technology, University of Bergen, Bergen, Norway;1. Safety and Risk Engineering Group (SREG), Faculty of Engineering & Applied Science, Memorial University of Newfoundland, St. John''s, NL, Canada A1B 3X5;2. Safety and Security Science Group (S3G), Faculty of Technology, Policy, and Management, TU Delft, Delft, The Netherlands;3. Department of Process Engineering & Applied Science, Dalhousie University, Halifax, NS, Canada B3J 2X4;1. Artie McFerrin Department of Chemical Engineering, Texas A&M University, College Station, 77843-3122, USA;2. Mary Kay O''Connor Process Safety Center, Texas A&M University, College Station, USA |
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| Abstract: | The majority of powders that are used in the processing industries are combustible (also referred to as flammable, explosible). An explosion will occur if the concentration of the combustible dust that is suspended in air is sufficient to propagate flame when ignited by a sufficiently energetic ignition source.A systematic approach to identifying dust cloud explosion safety against their consequences generally involves:-Identification of locations where combustible dust cloud atmospheres could be present-Understanding of the explosion characteristics of the dust(s)-Identification of potential ignition sources that could be present under normal and abnormal conditions-Proper process and facility design to eliminate and/or minimize the occurrence of dust explosions and protect people and facilities against their consequences-Adequate maintenance of facilities to prevent ignition sources and minimize dust releaseThis presentation will discuss the conditions that are required for dust cloud explosions to occur and presents a well-tried approach to identify, assess, and eliminate/control dust explosion hazards in facilities. |
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