Innovative Dust Explosion Prevention Technology
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Transcript of Innovative Dust Explosion Prevention Technology
Conventional Bulk Material Conventional Bulk Material Elevating SystemsElevating Systems
P.W. Wypych, P. Olds and R. Olds, R. McIntosh; Developments in Bulk Material Elevation Technology
Bucket Elevator DischargeBucket Elevator Discharge
Bucket ElevatorBucket Elevator Ignition Sources Ignition Sources
Sparking caused by impact Sparking caused by impact
Tramp metal or broken bucket Tramp metal or broken bucket
Misalignment of belt/chain/screwsMisalignment of belt/chain/screws
Ignition caused by overheating bearings or Ignition caused by overheating bearings or pulleys pulleys
Frictional heating caused by buckets Frictional heating caused by buckets shearing against product shearing against product
Conventional Screw Conveyor Conventional Screw Conveyor Explosion IsolationExplosion Isolation
ChokeChoke
Eckhoff, R.K., Dust Explosions in the Process Industries, 2nd Edition, Butterworth-Heinemann, U.K., 1997.
Examples of Existing Explosion Examples of Existing Explosion Isolation DevicesIsolation Devices
ChokesChokes
Rotary valvesRotary valves
Automatic fast-acting valve systemsAutomatic fast-acting valve systems
Flame front diverters Flame front diverters
Chemical isolation systemsChemical isolation systems
Source: NFPA 654
Olds Elevator Full Bore Flow Olds Elevator Full Bore Flow Natural ChokeNatural Choke
P.W. Wypych, P. Olds and R. Olds, R. McIntosh; Developments in Bulk Material Elevation Technology
Peter Olds-Inventor Peter Olds-Inventor Demonstrating Innovative TechnologyDemonstrating Innovative Technology
Top of 20’ Olds Elevator Top of 20’ Olds Elevator Discharge Full-Bore FlowDischarge Full-Bore Flow
Photo Credit: Richard McIntosh
Olds Elevator Innovative Technology Olds Elevator Innovative Technology
Photo Credit: Richard McIntosh
Photo Credit: Richard McIntosh
In-Feed Pickup Scoop ProcessIn-Feed Pickup Scoop Process
In-Feed Pickup ScoopIn-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 4" x 20' Elevator Feeding Biomass Pellets to
Gasifier (Class 1, Div 1 XP environmentGasifier (Class 1, Div 1 XP environment))
Olds Elevator LLC12 B Park AvenueHudson, NH 03051
Tel: 603 882 8899Fax: 603 882 8855
www.oldsusa.com