Preventing Dust Explosions and Fires in the Die Casting Industry(-122)

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1、Combustible Dust Course for Die Casting Industry Employees Preventing Dust Explosions and FiresProtecting Employees from the Effects of Dust Explosions and FiresNADCA North American Die Casting AssociationNADCA North American Die Casting AssociationUnit 1 Preventing Dust Explosions and Fires in the

2、Die Casting IndustryUnit 2 Protecting Employees from the Effects of Dust Explosions and Fires in the Die Casting IndustryUnit 3 Unit 4 Introductions Class Schedule InstructionsTerminal objectives for this CourseUpon completion of this course students should be able to:1. Explain how the materials us

3、ed in die casting facilities may cause dust explosions and fires, the consequences of these events and how they may be prevented and mitigated.2. Implement the work practices and procedures that will keep employees in the die casting industry safe from the hazards of dust explosions and fire.Alloy d

4、usts explode!Preventing Dust Explosions and Fires in the Die Casting IndustryUnit 1NADCA North American Die Casting AssociationEnabling Objectivesconsequences to employees themselves and to the die casting plant; and, Identify the materials used in die casting that may cause dust explosions and/or f

5、ires and how they may be prevented or reduced in severity if they occur.Students should be able to:Discuss dust explosions and fires as a significant safety problem that may affect them; Explain how these events occur and how they may have catastrophic Metal Dust Collector -Exploded and CollapsedThi

6、s presentation is based on “Combustible Dust in Industry. . .” - OSHA Safety and Health Information Bulletin (SHIB 07-31-2005) (download at :/ )NFPA 484 “Standard for Combustible Metals”, 2009 Ed. (on-line free viewing at )Combustible Dust ExplosionsBackgroundThis section describes a series of horri

7、fic dust explosions that have occurred recently. The US Chemical Safety and Accident Investigation Board (CSB) and OSHA have identified these explosions as representative of a national safety problem. The list includes a spectacular metal dust explosion and fire in Indiana that killed one and injure

8、d one employee. BackgroundBackgroundMetal Dust Fire and Explosion: Indiana (1 killed,1 injured)Recent Sugar Dust ExplosionOrganic Dust Fires and Explosions: Massachusetts (3 killed, 9 injured) North Carolina (6 killed, 38 injured) Kentucky (7 killed, 37 injuredCommon Causal Factors Housekeeping to c

9、ontrol dust accumulations unacceptable; Ventilation system design flaws; Lack of Hazard Assessment; Lack of explosion prevention and mitigation.Phenol Phenol formaldehyde resinformaldehyde resinpolyethylene dustpolyethylene dustImperial Sugar CompanyPort Wentworth GA Explosion and FireFebruary 7, 20

10、0814 Deaths and Numerous serious injuriesUS Chemical Safety and Hazard Investigation Board PhotoUS Chemical Safety and Hazard Investigation Board PhotoUS Chemical Safety and Hazard Investigation Board PhotoUS Chemical Safety and Hazard Investigation Board PhotoUS Chemical Safety and Hazard Investiga

11、tion Board PhotoUS Chemical Safety Board Found a pattern of catastrophic dust explosions Recommended that OSHA take action MSDS sheets often fail to provide dust explosion informationU.S. DEPARTMENT OF LABOROccupational Safety and Health AdministrationDIRECTIVE NUMBER: CPL 03-00-008EFFECTIVE DATE: M