Water Filtration in Coking Systems - Refining Community · Water Filtration in Coking Systems...
Transcript of Water Filtration in Coking Systems - Refining Community · Water Filtration in Coking Systems...
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Water Filtration in Coking Systems
Raymond ErbeVice President & GMElwood Corporation
ConferenceGalveston 2008
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Problem
• Coke fines pass settling maze– Nozzles– Pumps– Valves– Pipes
Ideal Solution
• Protect downstream equipment• High reliability• Low operation & maintenance• Recovers coke fines• Low investment cost• Easily incorporated into existing system• Zero impact to environment
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Automatic Self-Cleaning Filter
System
Proposed Solution
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Technical Specifications
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Screen Specifications
Example Solution
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Specifications
• 10” Main • (2) 8” filters• 2600 gpm flow• Wire mesh on PVC screen• 100-150 micron screen aperture• 8-10 second flush cycle, 30 to 40 gallons• Isolation valves• NEMA 4x control
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Costs
• $42,000 for filter system• Additional costs
– Installation costs– Costs associated with environment
Preventative Maintenance
• Monthly– Activate by-pass & isolation valves
• Quarterly– Check & clean coarse screens– Trigger manual rinse
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Wear Items
5-10 yrs.$556.00 ea. (2)Dirt Collector Assm.
10 yrs.$310.00 ea. (2)Coarse Screen
5-10 yrs.$1,194.00 ea. (2)Fine Screen
5-10 yrs.$198.00 ea. (4)Flush Valve Actuator
5-10 yrs.$105.00 ea. (2)Solenoid
5 yrs.$96.00 ea.(2)Hydraulic Repair Kit
1-2 yrs.$37.00 ea. (2)Shaft Bearings
Typ. LifetimeList PriceDescription
Typical Maintenance Costs
$950 to $1,000 per year
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Applications
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CitiSteelCitiSteel
Birmingham SteelBirmingham Steel
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ExpandableExpandable
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Other Filtration Products
Series E
• Electric motor• High dirt loads or
sticky particulate• Same features and
benefits of Series H
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Series G
• Heat exchanger applications.
• 10 to 3000 micron• No coarse screen• 1.5” to 8” pipes• Flows 65 to >1000 gpm• Vertical mount• Self cleaning operation
Series S
• Intake strainer• 1200 or 2500 micron• 4” to 16” pipes• Flows 350 to 5300 gpm
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Series V
• Coarse screen filter• 3000, 5000 & 8000
micron screens• 4” to 16” pipe• Flows 450 to 5000 gpm• Automatic cleaning cycle
Water Maintenance
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Fluid Maintenance
• Dilution• pH• Bacteria & fungi levels• Water hardness• Filtration
Fluid Guidelines
150 micronDescale, stop valves
75 micronDirectional, pressure control valves
40 micronServo, proportional valves
Filtration
50 to 200 ppmHardness
8.0 to 9.5pH
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Summary
Proposed vs. Ideal Solution
• Protect downstream equipment• High reliability• Low operation & maintenance• Recovers coke fines• Low investment cost• Easily incorporated into existing system• Zero impact to environment
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Getting Started• Fluid type• Viscosity if not water• Min/Max fluid temperature• Min/Max environmental temperature• Min/Max system pressure• Flow rate• Piping size• Size of particulate to filter• Fluid sample• System schematic
Decoker Valve Products
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The Nordberg Guys
Decoking Valve• Pressures 6000 psi• Flows up to 3400 gpm• Water temp. 75˚C • Sizes;
– 8” x 4”– 6” x 3”– 4” x 2”– Custom
• Spindle Design– Low Maintenance
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Precise Valve Control
• No valve chatter• Reverse capability• Positive pre-fill
positioning• No pilot valves• No external air supply
Integrated Orifice Design
• Easy maintenance• Single sleeve design
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Worldwide Base• Argentina• Brazil• Canada• Chile• Germany• India• Indonesia• Russia• South Korea• Spain• United States• Venezuela
Photo courtesy of NASA
• Raymond Erbe• Vice-President & GM• Elwood Corporation• 195 W. Ryan Road• Oak Creek, WI 53154-4401• Office: 800-527-7500 ext. 720• Cell: 414-418-6646• Internet: www.elwood.com• E-mail: [email protected]