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Dust ExplosionsDust explosions can occur during elevation of certain bulk materials, particularly in bucket elevators. There are 3 required elements for an explosion to occur:
 Bucket elevators routinely operate in conditions where Nos. 1 and 2 are constantly present. Only the condition of the bearings, buckets, belts or chains determine if and when No. 3 will be introduced.OLDS ELEVATORS™ operate in a “flooded” mode where the rotating casing and screw are filled with the material being conveyed. There is insufficient oxygen in the system to support combustion in the unlikely event that a spark should occur. Refer to technical publication “Developments in Bulk Material Elevation Technology” by Wypych, Olds and McIntosh, September 2007. Volatile Substance; Inspections at PlantSugar dust is so combustible that static electricity, sparks from metal tools or a cigarette can ignite explosions.More than 300 dust explosions have killed more than 120 workers in grain silos, sugar plants and food processing plants over the past three decades. Most are preventable by removing fine-grain dust as it builds up, experts say. The U.S. Chemical Safety Board concluded in a special report in 2006 that OSHA had no comprehensive regulation to prevent these explosions and their program “inadequately addresses dust explosion hazards.” The board recommended OSHA issue a comprehensive industrial standard for combustible dust. OSHA did not issue a comprehensive industrial standard for combustible dust, as the board recommended. It did institute a national program under which sites would be inspected for various issues including combustible dust to make sure they complied with federal regulations, OSHA spokesman Mike Wald said. The Port Wentworth site had not been inspected as part of that new program, Wald said. He said the last OSHA inspection of the facility was in June 2000, in response to an unspecified complaint, with no violations found. In October 2007, state officials cited the plant for two violations - one involving an opening in a packing room area that could allow pests in, and another for not properly protecting buckets used for packing molasses in a warehouse. The U.S. Chemical Safety Board said it was sending an investigative team to the plant. Sugar Refinery BlastScroll down to read MSNBC story: |
Engineering and Support Free Video Taped Test Materials Handled Performance Features Standard Configurations Test Laboratory OLDS ELEVATOR™ LLC 12 B Park Ave. Hudson, NH 03051 Call 603.882.8899 Fax 603.882.8855 Email us today! OLDS ELEVATOR™ Advantages 1. Olds Elevator Innovative Material Elevation
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