WRBA Annual Conference Minutes
Port Angeles, Washington
March
11-13, 2014
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presentation names to open
Tuesday, March 11th
Presentation
#1, Rebecca Knecht Evergreen Engineering
Presentation
#2, Bryan Van Hoff, Atlas Systems LLC
Q: For material with higher moisture, how can you access the silo if it gets plugged?
A: Yes, wet fuel can stick and you can unload the silo
Q: Turn-down ratio; how low can it go?
A: As slow as a few RPMs
Q: If a drag conveyer chain breaks, how do you fix it?
A: From head to tail end, get a lance through the conveyer and pull the chain out
Presentation
#3: Dave Larecy, Con-Vey Keystone
Q: Is the belt standard and do you provide?
A: Yes, 2-ply bare-backed belt. Viable- takes U shape and is supple and also low friction
Q: How much horse power?
A: Slightly more than troughing-roller conveyors, less than a slider belt
Q: Slide material?
A: No, just pipe standard
Q: If more than 22 degree angle, do you need an air jet belt?
A: Chevron type top. Some can handle steeper grade but if it gets too steep need more area.
Q: With fiber during winter and snow, will material slide back and plug up?
A: No. Belt and tube does sweat though and can freeze solid. Can put in idle mode or put in heater to evaluate temperature.
Presentation
#4: Nicole Douglas, Clyde Bergemann Power Group
Q: Is there a wear indicator?
A: Yes, side of carriage assembly window by seal packing cartridge
Presentation
#5 Scott Wanless, MP Combustion Process LTD
Presentation
#6: Frank DeSilva, Loprest Water Treatment
Q: How many gallons before regeneration?
A: Each vessels: (3.3 million), 2 online, 2 on standby
Presentation
#7 Greg Wyrick, Nalco
Q: What kind of membrane?
A: Dow film tech
Presentation
#8: Marvin S. Burchfield, FSE Energy
Presentation
#9: Ron Preston, Corrosion Monitoring Services, Inc.
Presentation #10: Robert Morrow Detroit Stoker Co.
Thursday, March 13th
Presentation
#11: Tyler Campbell, Direct Contact LLC
Q: California has water problems. At what rate is the water available there?
A: 40-50 gpm/condensed from exhaust
Q: Dirty water do you need to purify it?
A: Use somewhere that doesnt need clean water
Q: Caustic in water system, treat to PH?
A: Yes, caustic water injected before intake at 2 gph. Take from boiler blow down, add sodium bisulfate (turns into salt)
Q: Vessel 01 Direct contact with water purge?
A: Overflow condensed from stack goes out with overflow
Q: Reliability caustic on steel stack?
A: Used FRP, normally stainless steel. 1-2 yrs nozzle replaced from abrasion
Q: Surface condenser to use FRP?
A: Coil heat recovery cools stack gas to 150 deg.
Presentation #12: Dave Sharpe, Boiler and Steam Systems,
LLC
Presentation #13: John Snodgrass, West Salem Machinery
Presentation #14: Judith Aasland, the Avogadro Group, LLC
Presentation #15: Anthony Rossi, GE Water and Process Technologies