Alstom Cogeneration Plants Meeting the Requirements of the Asian Energy Markets

Transcription

1 Alstom Cogeneration Plants Meeting the Requirements of the Asian Energy Markets Matthias Hiddemann Power-Gen Asia, Kuala Lumpur 11 September 2014

2 Agenda Combined heat and power in Asia Plant concept KA24/KA26 for cogeneration & key components Applications Summary Power-Gen Asia - Alstom Cogeneration Plants Meeting the Requirements of the Asian Energy Markets - MH - 11/09/2014 P 2

3 Combined heat and power in Asia Installed capacity in GW (2012) Typical CHP applications Steam export for utility industries China Korea 6.3 Japan 11.2 District heating / cooling Desalination Regasification in LNG terminals Taiwan 4.9 CHP in East Asia mainly driven by IPP entering the market Source: Alstom 3.5 Thailand Malaysia 1.6 Singapore 2.2 Indonesia 3.0 Strong CHP growth witnessed in North Asia mainly due to colder weather and fuel prices China has targeted to have 250 GW installed capacity of CHP by 2015 Power-Gen Asia - Alstom Cogeneration Plants Meeting the Requirements of the Asian Energy Markets - MH - 11/09/2014 P 3

4 Characteristics and advantages of CHP Example: district heating Heat- and power demand are largely independent, renewables will increase the volatility of power demand (residual load) Flexibility of arrangement at high effectiveness inevitable Heat demand Power demand 6:00 12:00 18:00 24:00 J F M A M J J A S O N D Daily variations of power and heat demand Winter season with highest heat demand Cogeneration in CCPP serves as ideal solution Highest fuel utilisation of up to 90% and above Operational flexibility is key for CHP Power-Gen Asia - Alstom Cogeneration Plants Meeting the Requirements of the Asian Energy Markets - MH - 11/09/2014 P 4

5 Agenda Combined heat and power in Asia Plant concept KA24/KA26 for cogeneration & key components Applications Summary Power-Gen Asia - Alstom Cogeneration Plants Meeting the Requirements of the Asian Energy Markets - MH - 11/09/2014 P 5

6 Alstom Gas Turbines - GT24 and GT26 designed for Combined Cycle or Cogeneration GT24 and GT26 - designed for CCPP Applications Solid welded rotor, proven annular combustor with EV burners High GT exhaust temperature can be maintained with partially closed Inlet Guide Vanes (4 rows) to optimise CC performance High part-load efficiency due to sequential combustion High operation range of CC plant from 100% load to below 30% Low Load Operation at approx % CCPP load, maintaining low emissions Wide load range with a high efficiency Exceptionally high operational flexibility GT24 and GT26 - the perfect match for Cogeneration Power-Gen Asia - Alstom Cogeneration Plants Meeting the Requirements of the Asian Energy Markets - MH - 11/09/2014 P 6

7 HRSG for Cogeneration Based on Standardized Product Platforms Broad range of HRSG technologies and designs For medium and large Gas Turbines Designed according to Standard Codes around the world Based on Natural Circulation or Once-Through Technologies Several features based on standardized platform Product platform flexibility based on a modular design Emissions reduction catalyst, if required Fired and unfired designs Fresh air supply for additional power Standard design to reach highest reliability standards and flexible, customer specific solution Power-Gen Asia - Alstom Cogeneration Plants Meeting the Requirements of the Asian Energy Markets - MH - 11/09/2014 P 7

8 HRSG for Cogeneration Cyclic Operation Capability In Cogeneration applications, the load is frequently changing Improved Features for cyclic operation: Single Row Harps Stepped Component Thickness Optimized Drain System Tube to Header Weld Accessibility High level of Pre-Fabrication in Alstom Workshops, minimal piping site weldings Less leakages Longer life-time Higher availability HRSG supporting the unique Alstom Low Load Operation Concept of the KA24/KA26 Power-Gen Asia - Alstom Cogeneration Plants Meeting the Requirements of the Asian Energy Markets - MH - 11/09/2014 P 8 Single-row Harps Stepped Component Thickness Alstom Design Alstom Design HRSG design is optimised for cycling operation Conventional Technology Conventional Technology

9 Steam Turbines for Cogeneration STF15C Steam Turbine Two bleeds for steam extraction External controlled extraction HP turbine in shrink ring design Live Steam Hot Reheat HP IP LP High pressure exhaust Extraction Variable steam extraction capabilities Power-Gen Asia - Alstom Cogeneration Plants Meeting the Requirements of the Asian Energy Markets - MH - 11/09/2014 P 9

10 Steam Turbines for Cogeneration Adaptations for large steam extraction Steam Turbine STF30C With optimum steam extraction from IP turbine X-Over Live Steam Hot Reheat HP High pressure exhaust IP Extraction LP Extended steam extraction capabilities, based on specific adaptations for cogeneration Power-Gen Asia - Alstom Cogeneration Plants Meeting the Requirements of the Asian Energy Markets - MH - 11/09/2014 P 10

11 Condensers for Cogeneration District Heating or Production of Hot Water Specially adapted condensers are being used for Cogeneration Example: Heating condensers for district heating Steam is extracted from extraction / condensing ST Water is heated up in two heating condensers, providing high efficiency Example: Specially designed condenser for hot water production Hot water is produced in the specially designed single twinnest 2-pass main condenser (split-shaft) optimised for CHP and cooling arrangement CCPP with integrated system for LNG facility KA26 plant TPP26 Moscow Heating condenser Additional heat can be recovered from condenser Power-Gen Asia - Alstom Cogeneration Plants Meeting the Requirements of the Asian Energy Markets - MH - 11/09/2014 P 11 Main condenser KA26 plant CHP Grain

12 KA26 ecoheat TM performance in district heating Flexible operation at increased fuel utilisation Heat [MW th ] 300 up to 300 MWth Base Load up to 90% fuel utilisation Low Load Operation ca 75% fuel utilisation With Bypass Option ca 50 MWel, 90 MWth Condensing-Heating Mode Large heat production with low reduction in power ca 70 ca 190 Indicative performance, district heating supply temperature of 110 C Power-Gen Asia - Alstom Cogeneration Plants Meeting the Requirements of the Asian Energy Markets - MH - 11/09/2014 P 12 Condensing Mode ca 470 High flexibility between Power and Heat: Up to 300 MW th and above heat with minimum power Power [MW el net ]

13 Standardisation and Modularisation Overview WSC/BoP-Modules for KA26 plants OTC-Control Valve (OTC-CV) Atmospheric Drain Vessel (ADV) Ejector Main Cooling Water (MCW) Natural Gas Module (NG) Closed Cooling Water (CCW) Small Pipe Rack Blow Down Tank (BDT) Feed Water Tower (FWT) Cable Trays Main Pipe Rack Power-Gen Asia - Alstom Cogeneration Plants Meeting the Requirements of the Asian Energy Markets - MH - 11/09/2014 P 13

14 Agenda Combined heat and power in Asia Plant concept KA24/KA26 for cogeneration & key components Applications Summary Power-Gen Asia - Alstom Cogeneration Plants Meeting the Requirements of the Asian Energy Markets - MH - 11/09/2014 P 14

15 CHP district heating for advanced fuel utilisation Plant concept KA26 ecoheat in Niehl 3 1x KA26-1 ecoheat Single Shaft Scope: Turnkey plant including 1 GT26 1 TOPGAS Generator 1 HRSG (3pRH) 1 COMAX ST Power: 450 MW el net, Efficiency > 60 % net District heating output: design 120 MW th, maximum 265 MW th, fuel utilisation > 88% View View Compact floor-mount design with 5.5m main shaft axis height Flexible solutions for Combined Heat and Power - Fulfilment Power-Gen Asia - Alstom Cogeneration Plants Meeting the Requirements of the Asian Energy Markets - MH - 11/09/2014 P 15

16 Examples for Cogeneration Plants Grain (UK) Hot water for LNG terminal HRSG GT ST HRSG GT ST HRSG GT ST Customer: EON Output: 1275 MW Type: Combined-Cycle Power Plant Configuration: 3 x KA26 Single-Shaft Scope: Turnkey EPC Power-Gen Asia - Alstom Cogeneration Plants Meeting the Requirements of the Asian Energy Markets - MH - 11/09/2014 P 16 Heat: Water at 42ºC for LNG terminal via main condensers, up to 270 MW th Fuel utilisation over 70% Minimum impact on environment with low CO 2 emissions Innovation for more energy with low emissions The largest Combined Heat and Power Plant in the UK

17 CHP with steam export for utilities industries Plant concept KA26 in Banyan 1x KA26-1 Single Shaft Scope: Turnkey plant including 1 GT26 1 TOPGAS Generator 1 HRSG (3pRH) 1 STF15C ST (axial exhaust) Power: max. 400 MW el, Efficiency > 59 % Steam export (HP, IP): max. 200 t/h, Plant construction using modularized components View Flexible solutions for Combined Heat and Power Power-Gen Asia - Alstom Cogeneration Plants Meeting the Requirements of the Asian Energy Markets - MH - 11/09/2014 P 17

18 Agenda Combined heat and power in Asia Plant concept KA24/KA26 for cogeneration & key components Applications Summary Power-Gen Asia - Alstom Cogeneration Plants Meeting the Requirements of the Asian Energy Markets - MH - 11/09/2014 P 18

19 Conclusion Variety of CHP applications in Asia 160 GW installed in 2012 Potential for all types of CHP (heating, cooling, desalination, steam export) Highly flexible CCPP required for CHP Independence of heat and power demand Power and Heat demand can vary signigicantly (daily, seasonal) KA26 CCPP - optimized for every CHP applications All core equipment manufactured from Alstom Optimization according to the project requirements Widest operation window for heating application with KA26 ecoheat TM while being emission compliant KA26 a flexible CCPP suitable for every type of cogeneration Power-Gen Asia - Alstom Cogeneration Plants Meeting the Requirements of the Asian Energy Markets - MH - 11/09/2014 P 19

20 Cogeneration References (1/2) Desalination Plant Name Country Order Plant Plant Year Output Designation [MW] Fujairah Phase 2 UAE KA26-2/1 Al Hidd II BH KA13E2-3 Al Hidd BH x GT13E2 Ruwais UAE x GT13E2 Ras Abu Fontas B QA x GT13E2 District Heating Niehl 3 DE KA26-1 Chelyabinsk RU 2011/ x GT13E2 Moscow TPP26 RU KA26-1 Bundang II KR KA11N-3 Diemen 33 NL KA13E2-1 HKW Berlin Mitte DE KA13E2-2 Lage Weide 6 NL KA13E2-1 Anyang KR KA11N-4 Bundang KR KA11N-5 Purmerend NL KA8-1 Galileistraat NL KA8-3 Merwedekanaal Unit No 12 (MK 12) NL KA13E-1 Almere NL KA8-1 Merwedekanaal Unit No 11 (MK 11) NL KA9-2 LNG terminal (hot water) Grain UK KA26-1 Largest Cogeneration plant: MW electric, > MW thermal Power-Gen Asia - Alstom Cogeneration Plants Meeting the Requirements of the Asian Energy Markets - MH - 11/09/2014 P 20

21 Cogeneration References (2/2) Chemical Industrial Petro-Chemical Refinery Oil & Gas Pulp & Paper External process (wood drying) Total 35 plants and > MW Power Generation combined with Heat Production for various industries Power-Gen Asia - Alstom Cogeneration Plants Meeting the Requirements of the Asian Energy Markets - MH - 11/09/2014 P 21 Plant Name Country Order Plant Plant Year Output Designation [MW] KW Emsland DE KA26-2 Keppel Merlimau SG KA13E2-2 IP Cogen TH KA8C-1 GUD-Anlage Ludwigshafen RWE / BASF DE KA13E2-2 Hopewell US KA11N-3 Hazleton US KA11-1 Hagen Kabel DE KA13D-2 Termorio BR KA11N2-2 Termobahia BR KA24-1 Shunde CN KA13D-2 Foshan CN KA13D-2 Kalaeloa US KA11N-2 Placerita / AES Placerita US KA8-2 Island Cogen CA KA24-1 Elmwood Park US KA8-1 Scandale IT KA26-1

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23 Niehl 3 GuD - Arrangement concept District heating condensers Top side extractions for heating steam +5.5 m District heating water pipes Installation close to floor level shaft axis height at +5.5 m Single-shaft power train foundation extended for district heating condensers No table mounting, robust standard foundations Application of the ALSTOM generator foundation removal concept Power-Gen Asia - Alstom Cogeneration Plants Meeting the Requirements of the Asian Energy Markets - MH - 11/09/2014 P 23

24 GuD Niehl 3 - KA26 ecoheat Heat & Power Window HEAT [MW th ] 415 MW el 265 MW th > 88%fuel utilization Parking Load Heating w/ steam bypass Parking Load Heating & condensing Heating & Condensing Mode Option: Reduced GT minimum load Parking Load Condensing mode ~ 84 ~180 Condensing Mode ~ 470 POWER [MW el. gross ] Indicative heat & power performances: depending on ambient, district heating and cooling conditions High flexibility in power generation and district heating capacities Power-Gen Asia - Alstom Cogeneration Plants Meeting the Requirements of the Asian Energy Markets - MH - 11/09/2014 P 24

25 GuD Niehl 3 - Steam turbine for combined heat and power 3-casing steam turbine, separate HP/IP/LP turbines Standard combined cycle HP turbine module Standard LP double-flow turbine module, adapted flow path - 41 inch last stage blades for excellent condensation mode performance Project specific extraction-type IP turbine IP steam extraction to district heater 1 Controlled steam extraction from LP/IP crossover pipe to district heater 2 Steam to heater 1 Cross-over line IPT/ LPT Steam to heater 2 SSS coupling (to generator) HPT IPT LPT LPsteam IP extraction type turbine fitted into standard turbine train Power-Gen Asia - Alstom Cogeneration Plants Meeting the Requirements of the Asian Energy Markets - MH - 11/09/2014 P 25