1 Nuon Future plan: Magnum Project Presentation RWTH-Aachen (02.05.2006)
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Transcript of 1 Nuon Future plan: Magnum Project Presentation RWTH-Aachen (02.05.2006)
![Page 1: 1 Nuon Future plan: Magnum Project Presentation RWTH-Aachen (02.05.2006)](https://reader038.fdocuments.in/reader038/viewer/2022110204/56649c505503460f948f899c/html5/thumbnails/1.jpg)
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Nuon Future plan: Magnum Project
Presentation RWTH-Aachen (02.05.2006)
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MAGNUM Project TeamAugust 2005
Presentation RWTH-Aachen (02.05.2006)
Subjects
•Introduction Nuon•Definition and reasons for the Magnum Project•Overall technical data of the Magnum Power Station•The predecessor: the Nuon Buggenum Power Station•Lesson Learned from the operation of the Nuon Buggenum Power Station
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What is Nuon?Nuon is a Dutch energy company, market leader in the
Netherlands
Heat customers100% = 0.2 mln
Electricity customers100% = 7 mln
Gas customers100% = 6.4 mln
Green electricity customers 100% = 2.4 mln
ESSENTDELTA
ENECONuon
ESSENT
Nuon
Nuon
1) Market share for gas and electricity are based on the number of connections
Source: EnergieNed ‘Energy in the Netherlands 2004’, Company reports
Eneco25%
Nuon34%
Delta2%
Essent29%Others
10%
Eneco28%
Nuon29%
Others11%
Delta3%
Essent26%RWE
3%
Eneco41%Nuon
39%
Essent20%
Eneco18%
Others18%
Essent38%
Nuon26%
Presentation RWTH-Aachen (02.05.2006)
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• Nuon is third generator in Netherlands
• 16 ‘grey’ generation assets on 9 premises in 4 clusters; Total installed capacity about 3500 MWe
• Efficient, dominantly gas fired generation
• Production of heat for district heating in Utrecht, Nieuwegein, Amsterdam-Zuidoost, and steam for Corus
• Several renewable assets in 7 European countries, dominantly wind; installed capacity about 500 MWe
• Syngas development and operational experience: Buggenum (coal, 250 MWe), Velsen (BFG, 400 MWe), IJmond – JV Nuon/Corus (BFG, 250 MWe)
Cluster Amsterdam
Cluster Utrecht
Cluster Oost
Renewables
Nuon - generation portfolio overview
Presentation RWTH-Aachen (02.05.2006)
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MAGNUM Project TeamAugust 2005
Why the MAGNUM PROJECT?
Establish sound investment decision for the Magnum Power Station.
What is the Magnum Power Station?•multi-fuel, highly flexible power station;•very large capacity (1200 MWe);•net efficiency >= PC power station; •superior environmental performance; •(future) CO2-capture readiness;•year 2010/2011: connected to the E-grid;•based on the Buggenum power station;•“Lessons Learned” incorporated in design.
Presentation RWTH-Aachen (02.05.2006)
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MAGNUM Project TeamAugust 2005
Presentation RWTH-Aachen (02.05.2006)
Rationale for the Magnum Project
•Nuon must build at least 1200 MWe new power production capacity:•replacement of old power stations with rather moderate efficiency;•growth in electricity consumption.
•IGCC (entrained bed technology) offers superior production and trading opportunities:
•can gasify a multitude of fuels with high efficiency and without operational problems;•can therefore adequately respond to changes in fuel market prices; •can produce both base load and peak load E-products;•can co-gasify large amounts of renewables (subsidies).
•Best Available Technology for Power Production with CO2-capture:•moderate efficiency losses when CO2 is captured;
•Best Available (Environmental) Technology :•SO2 removal: >99 %;•NOx-emission: can comply to requirements beyond year 2015;•dust: negligible;•heavy metals: emissions: Ni: 1.5%; As: 1%; rest negligible.
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By-p
rod
uc
ts
CO
2
Entrained flow gasifier Wet gas cleaning
Acid removalWaste water treatment
Demin water production
Maximum syngas production 900 –1200 MWth
Combined Cycle Dual fueled Gas Turbines (Syngas and/or Natural gas fired)5 x 250 MW CC Units
Total Heat Input 2600 MWthTotal Electrical Output 1200 MWe
Simplified BFD of the Magnum Power StationUltimate design subject to change.
Oxygen and Nitrogen production
Gasifier(# units)
CC(# units)
Power
Nat.G
as
Air Separation
Unit
Steam / Heat
Emissions
N2
Syngas
Power
Air
O2
Coal
Sec. Fuels
By-p
rod
uc
ts
Section 1: Gasification
Section 2: Air Separation
Section 3: CCGT
Gas cleaning
Steam
CO2capture
Solid BiomassC
he
mic
als
N2
Co
olin
g W
ate
r
Ch
em
ica
ls
Presentation RWTH-Aachen (02.05.2006)
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Nuon Power Buggenum BV
• Net Output: 250 [MWe]
• Coal input: 2000 [t/d ]
• Shell Gasification Technology
• Gas turbine: Siemens V94.2 Start up 1993
• Ramp speed: 3.5 [MWe/min]
Presentation RWTH-Aachen (02.05.2006)
The Predecessor: the Nuon Buggenum IGCC Power Station
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Coal Milling and Drying
Coal Dust Feeding
Coal Gasification Syngas Dedusting/Dehalogenation
Syngas Desulphurisation
Clean Gas Conditioning/Power Production
Presentation RWTH-Aachen (02.05.2006)
Simplified Process Flow Diagram of the Nuon Buggenum Power Station
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MAGNUM Project TeamAugust 2005
Presentation RWTH-Aachen (02.05.2006)
“Lessons Learned” from Nuon Buggenum Power Station Operation; Technical overview
Technical Problem Areas:•Syngas Production/Treating•Waste Water Production•Combined Cycle/ Air Separation Unit
•Work Done:•5000 plant design changes!
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MAGNUM Project TeamAugust 2005
Presentation RWTH-Aachen (02.05.2006)
“Lessons Learned” from Nuon Buggenum Power Station Operation; General Overview
Problems encountered•Mechanical problems•Process problems; process control problems•Organisational problems
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MAGNUM Project TeamAugust 2005
Presentation RWTH-Aachen (02.05.2006)
“Lessons Learned” from Nuon Buggenum Power Station Operation; Mechanical/Material Problems
Gasification Island•Thermal stresses caused by non-flexible tube-vessel penetration•Severe erosion/corrosion problems in gasification water systems •Severe corrosion in syngas scrubber•Severe damage of structures with ceramic lining •Flaws in the construction of the dust filter
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MAGNUM Project TeamAugust 2005
Presentation RWTH-Aachen (02.05.2006)
“Lessons Learned” from Nuon Buggenum Power Station Operation.
Process problems; process control problems
Gasification Island•Coal dust feeding problems •Slagging problems in gasifier•Degradation of H2S-absorbent•Widespread scaling in waste water systems
Combined Cycle Unit/ Air Separation•Combustion instabilities in gas turbine•Product purity of oxygen/nitrogen
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MAGNUM Project TeamAugust 2005
Presentation RWTH-Aachen (02.05.2006)
“Lessons Learned” from Nuon Buggenum Power Station Operation. Results
0
2000
4000
6000
8000
1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
ho
urs
/ y
ear
Syngas + Natural gas
Syngas only
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MAGNUM Project TeamAugust 2005
Presentation RWTH-Aachen (02.05.2006)
Conclusions
Nuon regards IGCC as the best option for a future new to build large power station. The reasons are that: •IGCC has/is:
•Superior fuel flexibility•Best Available Technology for power production with CO2-capture
•Best Available (Environmental) Technology •Nuon is experienced with IGCC-operation:
•“Lessons Learned” from the Nuon Buggenum Power Station will be fully implemented in the Magnum design
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MAGNUM Project TeamAugust 2005
Presentation RWTH-Aachen (02.05.2006)
Thank You for your Attention!