Published on February 9, 2009
Conventional Bulk Material Elevating Systems P.W. Wypych, P. Olds and R. Olds, R. McIntosh; Developments in Bulk Material Elevation Technology
Bucket Elevator Discharge
Bucket Elevator Ignition Sources Sparking caused by impact Tramp metal or broken bucket Misalignment of belt/chain/screws Ignition caused by overheating bearings or pulleys Frictional heating caused by buckets shearing against product
Sparking caused by impact
Tramp metal or broken bucket
Misalignment of belt/chain/screws
Ignition caused by overheating bearings or pulleys
Frictional heating caused by buckets shearing against product
Conventional Screw Conveyor Explosion Isolation Choke Eckhoff, R.K., Dust Explosions in the Process Industries, 2 nd Edition, Butterworth-Heinemann, U.K., 1997.
Examples of Existing Explosion Isolation Devices Chokes Rotary valves Automatic fast-acting valve systems Flame front diverters Chemical isolation systems Source: NFPA 654
Automatic fast-acting valve systems
Flame front diverters
Chemical isolation systems
Olds Elevator Full Bore Flow Natural Choke P.W. Wypych, P. Olds and R. Olds, R. McIntosh; Developments in Bulk Material Elevation Technology
Peter Olds-Inventor Demonstrating Innovative Technology
Top of 20’ Olds Elevator Discharge Full-Bore Flow Photo Credit: Richard McIntosh
Olds Elevator Innovative Technology Photo Credit: Richard McIntosh
In-Feed Pickup Scoop Process Photo Credit: Richard McIntosh
In-Feed Pickup Scoop P.W. Wypych, P. Olds and R. Olds, R. McIntosh; Developments in Bulk Material Elevation Technology
4" x 20' Elevator Feeding Biomass Pellets to Gasifier (Class 1, Div 1 XP environment )
Olds Elevator LLC 12 B Park Avenue Hudson, NH 03051 Tel: 603 882 8899 Fax: 603 882 8855 [email_address] www.oldsusa.com
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