Materials and Feedstock Preparation - boiler-wrba.orgboiler-wrba.org/2014 Presentations/West Salem... · Effects on the Boiler •Operations, process control •Moisture content •BTU
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Materials and Feedstock Preparation
One Constant
Change
Original “Easy” Materials
• Whole tree chips
• Clean residuals
• Hog fuel
Materials Progression
•General availability•Forestry Practices•Competition for materials•Economic Influences•Cost
Wood
• Forrest Residuals
• Urban
• Recovered waste piles
Blended Feedstock (RDF)
• C&D
• Green Waste
• WSW Sorts
Agricultural/Residuals
• Hulls
• Screenings
• Straw
• Grasses
• Stovers
• Energy Crops
Feedstock Preparation
Contamination
• Rocks
• Soil/Sand
• Ferris Metal
• Non-Ferris Metal
• PVC (Chlorine)
• Siloxanes
Effects on the Boiler
• Operations, process control• Moisture content• BTU value• Corrosion• Slaging/Fouling• Clinkers• Ash• Emissions
Application
• Protect the system• Remove contaminants• Deliver correct geometries• Flow rates• Availability (OEE)
Self cleaning magnet, disc screen, vertical feed grinder (Hog fuel)
Horizontal Grinder Infeed (Land clearing, mixed green waste)
Horizontal Grinder rotor and feed roll (Land clearing, mixed green waste)
Horizontal Grinder rotor and feed roll (Land clearing, mixed green waste)
Horizontal Grinder (Urban Wood)
Finished Material (Urban Wood)
Horizontal Grinder rotor and feed roll (Land clearing, mixed green waste)
Horizontal Grinder (Large green waste)
Horizontal Grinder (Large green waste)
Finished Material (Green waste)
C&D to RDF
Horizontal Grinder (C&D)
C&D to RDF
C&D to RDF
Vibrating Screen (SE Asia)
Wood Co-Fire, Feeder, V Feed Grinder, Screen (PA power plant)
Disc Screen, Shredder (Pulp mill)
Disc Screen
Trommel Screen, Oscillating Screen
Complete Line, Food Waste to AD process
Complete Line, Recovered Wood Pile
Complete Line (Recirculation System)
Horizontal Grinder (Giant King Grass)
Bale Processing (Corn Stover)
John Snodgrassjsnodgrass@westsalem.com
503.983.4322
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