update on the kemper trig tm igcc project - cslf · 10/15/2012 · shell siemens trig ™ ......
TRANSCRIPT
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Update on the Kemper TRIGTM IGCC Project
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Southern Company Facts and Figures
• Regulated Utilities • Alabama Power • Georgia Power • Gulf Power • Mississippi Power • Southern Nuclear
• Competitive Power • Southern Power • Southern Generation
• Other • Southern LINC Wireless • Southern Telecom
• 46,000 MW capacity; 303 generating units
• 2012 sources of electric generation • 32% coal • 47% gas
• 16% nuclear • 5% renewables
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Government Support
Industry Sponsors
Operations & Management
Power Systems Development Facility (PSDF)
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TRIG™ uses a different approach compared to entrained flow or fluid bed gasifiers.
GE E-gas TRIG™ TM Shell Siemens
Coal
Oxygen
Coal
MHI
- blown
Entrained Flow (Once Through)
Coal Air
Syngas
Coal
Air
Fluid Bed
Oxygen Blown
Burner-type, Slagging
Air or O2-Blown
No Burner Non-Slagging
(Not to Scale)
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PSDF Gasification Systems Development
Flexible Fuel
Feeding
Ash Removal Sensors and Controls
Particulate Removal
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Kemper County TRIGTM 3-D Perspective
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• 2x1 Integrated Gasification Combined Cycle (IGCC) – 2 Transport Gasifiers – 2 Siemens SGT6 - 5000F CTs – 1 Toshiba Steam Turbine – 582 MW peak and 524 MW on syngas – Heat Rate: 12,150 Btu/kWh – 28.1% HHV Efficiency w/ CO2 control and >40% moisture coal – UOP’s Selexol Process for H2S and CO2 removal – Haldor Topsøe’s Wet Sulfuric Acid for H2SO4 production. – 65% CO2 capture (~800 lb/MWh emission rate) – Mine Mouth Lignite
• Owner & Operator: Mississippi Power
• By-Products (TPY) – ~3,000,000 - Carbon dioxide used for EOR – ~135,000 - Sulfuric acid – ~20,000 - Ammonia
Plant Site Plant Site
Kemper Lignite CompositionAverage Min Max
Heat Content btu/lb 5,290 4,765 5,870Moisture % 45.5 42 50Ash % 12.0 8.6 17Sulfur % 1.0 0.35 1.7
Kemper County TRIGTM IGCC Overview
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~70 miles transmission. Station energized
~ 60 miles CO2 pipeline (for EOR). 100% Complete
~5 miles natural gas pipeline. 100% Complete
~31,000 acre mine site. Placed in Service in June 2013.
~ 30 miles treated effluent line 100% Complete
Plant Site
New CO2 Pipeline
Meridian
Kemper County IGCC Infrastructure
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Construction Progress -- Fall, 2011
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Construction Progress -- Fall, 2012
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Construction Progress -- Spring, 2013
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Construction Progress -- September, 2013
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Plant and Mine Aerial View
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TRIG™ with Carbon Capture
Gasifier Island
Combined Cycle
COAL
PROCESS AIR
COMPRESSOR
HIGH TEMPERATURE
SYNGAS COOLING
CO2 AND SULFUR
REMOVAL
COAL MILLING & DRYING
HIGH PRESSURE
COAL FEEDING
SOUR WATER
TREATMENT AMMONIA
RECOVERY
RECYCLE GAS
COMPRESSION
GAS TURBINE
STEAM TURBINE CONDENSER
SYNGAS
SW
EET
SYN
GA
S
VENT GAS ANHYDROUS AMMONIA
ACID GAS
RECYCLE GAS
COARSE G-ASH
HP
BFW
HP
STE
AM
TO STACK
HP, SUPERHEATED STEAM
CO
ND
EN
SA
TE
MERCURY REMOVAL
TRANSPORT GASIFIER
AIR
Heat Recovery Steam Generator
SC
R
POWER
POWER
FINE G-ASH
WATER GAS SHIFT
REACTION
CO2 CO2 COMPRESSION
AND DRYING
CO2
PARTICULATE COLLECTION
LOW TEMPERATURE
SYNGAS COOLING
SWEET SYNGAS
SOUR WATER
WSA PROCESS
SULFURIC ACID
WATER FROM COAL DRYING
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Syngas Clean-up – H2S absorber tower installation
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A sense of scale -- H2S Absorbers
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Syngas Clean-Up Equipment
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Key Milestones Completion
Date Admin/Control Building - DCS Control System
Functional 21-Sep-12
Start Filling Treated Effluent Reservoir 15-Oct-12 Station Service Energized 8-Nov-12 Water Treatment Plant Commissioning Completion 30-Mar-13 Cooling Tower Completion 10-Apr-13 Fire Auxiliary Boiler 5-Aug-13 First Fire Combustion Turbine – A 28-Aug-13 First Fire Combustion Turbine – B 4-Sep-13 Steam Turbine – Sync To Grid 5-Oct-13 • First Gasifier Heatup • Reliable Syngas To Combustion Turbine A • Reliable Syngas To Combustion Turbine B
Key Startup Milestones Completed
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Extensive control logic verification prior to plant operation.
Integration issues are being evaluated and addressed through use of a process simulator in advance of integrated plant operation.
System Integration
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Summary Construction focusing on piping, instruments and electrical. EPC was 74% complete through August, 2Commissioning / startup progressing as systems are completed by construction. Startup was 46% comp hrough August, 2013. ntegration issues are being addressed with a simulator in advance of integrated plant operation.
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Thank you!