fabric filter technology - the mcilvaine company · hamon research-cottrell fabric filter...
TRANSCRIPT
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Hamon Research-Cottrell
Fabric Filter Technology
Low Pressure High Volume (LPHV)
Pulse Jets
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SOMERVILLE
ORGANIZATION HAMON
CORPORATION
CEO
Bill Dillon
CUSTODIS/
RCC
President
John Boone
TTC
President
Shoun Kerbuagh
HRC
Executive Vice Presidents
B. Stolzman
B. Ranade
RCDC
President
Bill Dillon (acting)
HAMON CORPORATION
CFO
Ollie Acheson
HAMON CORPORATION
General Counsel
Rob Recio
Juley
McCann
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Global world wide network
combined with end-user proximity
Factory US
Factory
CN
RCD
C EU
RCD
C US RCD
C CHIN
A
Factory in operation Factory
Factory start operation 2010 Factory
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HAMON CORPORATION NAFTA LOCATIONS
Representative
Sales
Corporate Office
Manufacturing
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Partial Listing of Recent Hamon
Corporation Clients • AES
• Alliant Energy
• AMEC
• APS
• Babcock Power
• Bechtel
• Black and Veatch
• Burns and
MacDonnell
• CH2M
• Conoco Phillips
• Consumers Power
• Detroit Edison
• Dominion
• DVH*
• Eco Power*
• Exxon Mobil
• FP&L
• HB Zachary
Construction
• Ica Flour*
• Kiewit
• Nevada Energy
• Pacific Corp
• PP&L
• Reliant Energy
• Sargent & Lundy*
• Shaw Group
• Southern
Companies
• Tesoro
• Valero Refining
• Worley Parsons
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Key Points
• Successful experience
– Large U.S. utility installed base
– Long bag life and low emissions
• Advanced design
– Maintenance friendly
– Large compartment concept
– Attention to gas and particulate dynamics
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HRC FF Experience Base
• Low Pressure/High Volume (LPHV)
• Predominant technology for HRC FF • Worldwide - over 22,000 MW installed
• North America - over 12,000 MW installed
• Fabric Filter Application Experience
• Wide variety of coals
• Primary particulate control – flyash
• Polishing filters downstream of ESP
• With PAC for Hg control
• With DSI for acid gas control
• Following SDA and/or CFB dry scrubbers
• ESP to FF conversion
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HRC Results
Bag Life: Guarantees to five years being met Exceeding five year bag life
Emissions :
Filterable emissions guarantees at < 0.01 lb/mmBTU Recent Units average < 0.006 lb/mmbtu Low opacity Clients waive performance tests Analysis of performance variance
Pressure Drop :
Excellent dP control Low pressure drop – 6” typical
High Reliability – Large Compartments:
Traditional 1,000+ Bags/Compartment Over 6 years operating experience at > 2,000 Bags/Compt.
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HRC Fabric Filter
• HRC LPHV (low pressure, high volume) pulse jet filter
• Use of proven design concepts
– Bag configuration
– Cleaning system design
– Fluid dynamics analysis
– Multiple bundle compartments
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• Typical “Dutchman” entry with full vaning
Fabric Filter Configuration
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Components
1. Outlet Poppet
Dampers
2. Outlet Ductwork
3. Hopper Entrance
4. Inlet Butterfly
Dampers
5. Tube Sheet
6. Filter Bags
7. Hopper Access
8. Hopper Discharge
9. Cleaning Air
Reservoir Tank
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Roof Mounted Components
Diaphragm Valve
with Silencer & Weather
Protection Cover
Cleaning Air
Reservoir Tank
TEFC 3/4 Hp Motor and
1 rpm drive
components
With Additional Weather
Protection Cover
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Internal Components
• Internal clean air manifold – Three arm arrangement
– Continous rotation at 1 rpm
– Clean up to 40 bags per pulse
• One manifold per bundle
– Up to 1,600 bags per bundle
• Direct access to bags/cages
– NO pulse pipes to remove
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Walk-In Plenum Access Design
• Quick opening, tight sealing man doors
• Normal 24”W x 48”H door
• Two doors per compartment
• Smaller perimeter for sealing
• Less in-leakage vs. hatches
• With portable ventilation fan provides safe environment for access during inspection or bag replacement activities
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Installing Support Cage
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Several Rows in Progress
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Fabric Filter Cut Away View
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Inside View of Bag Bottoms
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Filter Bags hopper view through vanes
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LPHV Pulse-Jet
Retrofit FF into ESP Casing