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Dr. Adrian SKEA
Product Marketing Director: Steam
ICCI 2013, April 24-26, Istanbul
Utilizing Turkeys Coal Resources
Cleanly and Efficiently
Benefits of Advanced Steam Cycles
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ALSTOM 2013. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be reliedon that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is providedwithout liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is strictlyrohibited.
Agenda
Coal in Future of Turkish Power Generation
How to get more out of Lignite ?
Conclusions
ICCI 2013April 24-26_Istanbul
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ALSTOM 2013. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be reliedon that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is providedwithout liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is strictlyrohibited.
Global Coal TypesClassification By Rank
Heat Content:(kcal/kg)
Moisture:
Rank
Production:(Share of total)
6,600 - 7,800
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ALSTOM 2013. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be reliedon that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is providedwithout liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is strictlyrohibited.
Coal in Future of Turkish Power GenerationCurrent coal landscape in Turkey
Coal an affordable local resource
Lignite:
11.5 billion tons of lignitereserves
Rising production
Broad fuel specification
range
Hard coal:
Coal imports rising
steadily Prices linked to
international market
ICCI 2013April 24-26_Istanbul
Turkey Coal Supply by Type, 2000-2011
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ALSTOM 2013. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be reliedon that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is providedwithout liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is strictlyrohibited.
Coal in Future of Turkish Power GenerationMarket Forecast: 2012-2016
Turkey: A dynamic market place
Analysis per plant type
Source : Alstom Internal Marketing Intelligence 2012
Steam Power Plant
3 GW of new Steam plant expected
Increasing price of imported coal
Push for higher efficiency Leverage of local resource (Lignite)
Permitting: Market hampered by EIA*
permission
More difficult in coastal regions
Less resistance to inland lignite plants
* EIA: Environmental Impact Assessment
14%
69%
1% 13%
3%
UltraSupercritical SuperCritical
SubCritical CFB SuperCritical
CFB SubCritical
ICCI 2013April 24-26_Istanbul
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ALSTOM 2013. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be reliedon that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is providedwithout liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is strictlyrohibited.
Agenda
Coal in Future of Turkish Power Generation
How to get more out of Lignite ?
Conclusions
ICCI 2013April 24-26_Istanbul
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ALSTOM 2013. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be reliedon that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is providedwithout liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is strictlyrohibited.
How to get more out of Lignite ?3 key challenges for Turkey
ICCI 2013April 24-26_Istanbul
Global trend to lower grade fuels
Optimisation of Plant lifetime costMeeting emissions regulations
Challenges ahead: Increasing use of lower grade
coals
Strict emissions regulations
Cost effectiveness
Lead Time Performance Lifetime
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ALSTOM 2013. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be reliedon that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is providedwithout liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is strictlyrohibited.
How to get more out of Lignite ?Benefits of Supercritical Steam Parameters
Sub-critical SupercriticalMild
Super-critical
Ultra
Supercritical
Steam Paramaters 175b/540C/540C 250b/540C/565C 270b/580C/600C 280b/600C/620C
Typical Unit Net
output >350 MW 350-660 MW 350-1100 MW 660-1100MW
Unit Net efficiency(LHV)*
40 % 41.3 % 42.4 % >43%
% on unit net
efficiencyRef. + 3.5 % + 6.0 % >7.0%
-70,000 t/yr
-175,000 t CO2/yr
-120,000 t/yr
-300,000 t CO2/yr
-144,000 t/yr
-360,000 t CO2/yr
Estimations : Normalised to 900MW output
* Efficiency calculation assumes same fuel and use of similar heat recovery measures
ICCI 2013April 24-26_Istanbul
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ALSTOM 2013. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be reliedon that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is providedwithout liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is strictlyrohibited.
How to get more out of Lignite ?Project cost vs. Unit size
Specific cost per kW reduces with increasing unit size
Lower economies
of scale
Higher economies
of scale
0 200 400 600 800 1000 1200 1400 1600
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1,5
1.0
Unit Size, MW Gross
RelativeProjectCost
ICCI 2013April 24-26_Istanbul
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ALSTOM 2013. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be reliedon that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is providedwithout liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is strictlyrohibited.
How to get more out of Lignite ?Benefits of Large USC: Reduced Levelized Cost of Electricity
Small SubCritical to Large USC: -13% on LCoEICCI 2013April 24-26_Istanbul
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ALSTOM 2013. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be reliedon that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is providedwithout liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is strictlyrohibited.
ICCI 2013April 24-26_Istanbul
How to get more out of Lignite ?Types of Lignites
Turkish Lignite
Lignite
Fuel specificationhighly variable:
Ash content
Moisture
Sulphur
Heating ValueImpact on:
Flue gas volume
Flame stability
Fouling & Slagging
Abrasion
Ash handling
Emissions control
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ALSTOM 2013. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be reliedon that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is providedwithout liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is strictlyrohibited.
ICCI 2013April 24-26_Istanbul
How to get more out of Lignite ?Use of Advanced Lignite P.C. firing system
Flue gas
resuction duct
Main burnersBeater wheel mills
Overfire air 1
Overfire air 2
Conventional Improved
High Moisture Content Reduction of Slagging and Fouling
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ALSTOM 2013. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be reliedon that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is providedwithout liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is strictlyrohibited.
Thermal & operational flexibility with improved performance
Excellent fuel/air mixingfor tolerance to fuel
variation
Low slagging tendency:- Reduced cleaning
- Maximised efficiency
Tangential firing system
Mill 1Mill 2
Mill 3
Mill 4
Mill 5 Mill 6
Mill 7
Mill 8
How to get more out of Lignite ?Use of Advanced Lignite P.C. firing system
ICCI 2013April 24-26_Istanbul
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ALSTOM 2013. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be reliedon that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is providedwithout liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is strictlyrohibited.
ICCI 2013April 24-26_Istanbul
How to get more out of Lignite ?Impact on boiler size
Designed for high volume of gas and ash abrasiveness
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ALSTOM 2013. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be reliedon that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is providedwithout liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is strictlyrohibited.
Fuel flexibility
Inconsistency of fuel specification
Co-firing
High efficiency / Low emissions Efficient combustion of low grade fuels
Inherent low NOx
Cost effective No milling system
Simple limestone injection system for SOx
control
Potential additional dry scrubber
Improve SOx removal Reduce limestone consumption Reliable operation for slagging and fouling
lignite because of low combustion
temperature
In-Line 300MW Subcritical
ICCI 2013April 24-26_IstanbulDual Grate 660MW Supercritical
How to get more out of Lignite ?Use of Advanced CFB
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ALSTOM 2013. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be reliedon that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is providedwithout liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is strictlyrohibited.
ICCI 2013
April 24-26_Istanbul
How to get more out of Lignite ?SC/USC CFB boiler for Large Power Plants
Large USC CFB: reduces emissions and cost* (/kW)
Dual Grate 660MW Ultra supercritical
Modular design
Steam flow: 1925 t/h
Pressure: 270 Bar
Temperature: 600C/ 620C
* Compared with 2x300MW Subcritical
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ALSTOM 2013. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be reliedon that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is providedwithout liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is strictlyrohibited.
ICCI 2013April 24-26_Istanbul
How to get more out of Lignite ?Emission Control: Primary NOx Reduction
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ALSTOM 2013. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be reliedon that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is providedwithout liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is strictlyrohibited.
How to get more out of Lignite ?Flue Gas Heat Recovery System (FGHRS)
Potential for efficiency improvement of up to 1.5%
Particularly beneficial for high moisture fuels (e.g. Lignite)
Can be combined with water recovery, and integrated with CCS
Flue gas coolers with AlWaFlon pressure hoses . Innovative flue gas coolers equipped
with heat exchange pressure hoses
made with AlWaFlon, Belchatw
Photos: DuPont
ICCI 2013April 24-26_Istanbul
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ALSTOM 2013. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be reliedon that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is providedwithout liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is strictlyrohibited.
Agenda
Coal in Future of Turkish Power Generation
How to get more out of Lignite ?
Conclusions
ICCI 2013April 24-26_Istanbul
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ALSTOM 2013. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be reliedon that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is providedwithout liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is strictlyrohibited.
Alstom Plant IntegratorconceptCreating value for customers
Customers benefits
Working to achieve customers business objectives
Components
EPC
Operation &
Maintenance
Integrated Systems
Plant
IntegratorTMOPTIMISED SOLUTIONS
ADDEDVALUE
ICCI 2013April 24-26_Istanbul
Single point of contact
Maximising plant
performance (Efficiency,
emissions)
Based on own high quality
components
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ALSTOM 2013. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be reliedon that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is providedwithout liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is strictlyrohibited.
Worlds largest lignite-fired power plant
Neurath F & G, GermanyLargest lignite-fired ultra-supercritical power plant
Owner
RWE Power AG
Technology
2 x 1100 MW lignite-fired Ultra-Supercritical power plant
Scope Plant Engineering
Turnkey steam turbine islands
Lignite boilers in consortium
Benefits
A proven technology for clean, efficientlignite-based power production
Advanced technology resulting in highefficiency and reduced CO2emissions
2x 1100 MW USC Lignite Plant
ICCI 2013April 24-26_Istanbul
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ALSTOM 2013. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be reliedon that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is providedwithout liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is strictlyrohibited.
otanj, SloveniaSlovenias first power plant with ultra-supercritical equipment
Achieving the highest possible efficiency using local fuel
Owner
Termolektrarna otanjd.o.o. (TE)
Technology
600MW Ultra Supercritical LigniteSteam Power Plant
ScopeTurnkey Power Island
Overall Plant Engineering
Commissioning
Benefits
Exceptional net efficiency of 43% usinglocal lignite fuel
Reduction in CO2by 35% and SOx&NOxby ~50% (vs existing units)
600MW Lignite Power Block
ICCI 2013April 24-26_Istanbul
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ALSTOM 2013. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be reliedon that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is providedwithout liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is strictlyrohibited.
Narva, EstoniaCFB boiler technology, fuelled with local oil shale
Technology
Full turnkey steam power plant 2 x300MW CFB
Benefits
Burning local oil shale containing
46% ash and12% moisture Biomass co-firing up to 50%
Lowering emissions
NOx (no SNCR/SCR) : 150mg/Nm3
SO2(no FGD) : 200 mg/Nm3
CO : 200 mg/Nm3
HCl : 30 mg/Nm3
Particulates (ESP) : 10 mg/Nm3
2 x 300 MW CFB Turnkey Plant
ICCI 2013April 24-26_Istanbul
* LCPD: Large Coal Plant Directive
Compliance with the Europes LCPD: low emissions
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ALSTOM 2013. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be reliedon that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is providedwithout liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is strictlyrohibited.
CAN, TurkeyCFB boiler technology, fired with high-sulphur lignite
Owner
Turkey National Power Authority
Technology
2 x 160 MW CFB Steam Power Plant
Scope
Turnkey Power Island Training and Performance Tests
Benefits
Burning high-sulphur lignite fromlocal mines
High availability (capacity utilizationfactor above 70% since 2007)
One of the most efficient Lignitepower plant in Turkey
2 x 160 MW CFB Turnkey Plant
ICCI 2013April 24-26_Istanbul
Achieving high efficiency and availability using local lignite
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ALSTOM 2013. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be reliedon that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is providedwithout liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is strictlyrohibited.
Alstom Thermal Power, SteamExecutive Summary
Alstom: Your partner in Steam !ICCI 2013April 24-26_Istanbul
Lignite provides complexchallenges for PowerGeneration
Proven technologies exist tooptimize the use of TurkishLignite
Alstom has more than 80
years of experience withburning a wide variety of
Lignite
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www.alstom.com
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