New Developments on Industrial Steam Turbines Enhanced Platform The next generation of Siemens industrial steam turbines Flexibility meets Efficiency The new pre-designed multistage steam turbine SST-111 Power-Gen Europe 12. Juni 2012, Köln Markus Tacke CEO Industrial Power Oil and Gas Division of Siemens Energy
Enhanced Platform The Heritage of Siemens Industrial ST Technology Görlitzer Maschinenbau- Anstalt 1992 Demag Delaval 2002 KK&K 2007 Steam Turbines Industrial Steam Turbines Large Steam Turbines AEG Steam Turbines 1969 AEG Kanis ABB ASEA STAL 1990 1980 Alstom Industrial Turbines 2004 20th century 1960 1970 1980 1990 2000 2010 Seite 2
Enhanced Platform Drivers to develop a new Turbine Platform Internal drivers Acquisition history led to overlap in product portfolio and power range Huge variation of Steam Turbine Types incl. the maintenance of the tools Implementation of advantages of all families in one product Incorporation of new state of the art features External requirements Use of state of the art design allowing significant gains Extended features e.g. optimized start-up time Extended operating capabilities Increased flexibility to adapt to customer needs Increased efficiency Improved economical solutions The Enhanced Platform The next generation of Siemens industrial steam turbines Seite 3
Enhanced Platform Key Parameters Power output Speed 15 250 MW 18000 3000 rpm Live steam Inlet pressure/temp 165 bar/ 565 C Inlet pressure/temp 2393 psi/ 1049 F Controlled extractions (up to 2) Pressure, ext. valve 72 bar/1044 psi Pressure, int. valve 55 bar/798 psi Temperature 480 C/895 F Bleeds (up to 6) Exhaust conditions Back-pressure Condensing District heating Seite 4 85 bar/1233 psi 80 bar/1160 psi 1.0 bar/15 psi 3.0 bar/43 psi Improvements Power output +75 MW Inlet temperature +25 K Extraction pressure +20 bar
Enhanced Platform Blades and Vanes Improved blade and seal concept provides highest efficiency. Optimized seal concept in shape of shroud and number of fins minimizes leakages All HP blades utilize well proven root/clamping design, thus ensuring reliability Improved cylindrical and conical HP blades allow for longer airfoils and provide most competitive cost 3D optimized HP blades reach highest efficiency, still allowing simple processes in sales, engineering, and production due to predefined sub-components The integration of all current state of the art last stage blades provides full flexibility to meet customer requirements Seite 5
Enhanced Platform Customer Benefits Higher Steam Parameter at In- and Outlets High Reliability Reduced Start-up Time Faster Load Changes Improved Efficiency Optimized Performance Long Life Cycle Increased Life Time Extensive Tested and Verified First Turbine Seite 6
SST-111 Siemens Pre-designed steam turbine range Type Power Output (MW e ) 0,5 1 2 3 4 5 6 7 8 9 10 11 12 SST-040 0.3 SST-050 0.75 SST-060 6 SST-110 7 SST-111 12 SST-111: Filling the multistage gap Seite 7
SST-111 General overview Technical Data Power output up to 12 MW Main steam pressure up to 131 bar(a) Main steam temperature up to 530 C Exhaust steam pressure: Condensation down to 0.06 bar(a) Typical Dimensions Length: approximately 8 m, including generator Width: 4.0 m Height: 4.0 m Seite 8
SST-111 Technical features Quick start capable (no preheating) Saturated steam operation Backpressure / condensing type Pressure-controlled extraction and/or admission steam Robust blisk design Nozzle-group control valves Compact package design Integrated oil supply system ATEX design available (optional) High efficient and reliable Designed according to the latest functional safety standards IEC 61508 / 61511 Maximum flexibility and optimized efficiency through multicasing design: up to two controlled extractions, reheat and / or admission steam possible Seite 9
SST-111 Seven good reasons to go with the SST-111 1 Higher efficiency 2 Flexibility (Controlled Extraction / Condensing / Reheat) 3 Quick start-up 4 Competitive price 5 Proven solution 6 Compact design and simple installation 7 Low maintenance costs Seite 10
SST-111 A perfect fit for decentralized power generation Flexibility meets Efficiency Biomass, waste to energy (High efficiency) Waste heat, CHP (Value for money, availability) Combined cycle (Controlled extraction) Concentrated Solar Power (High efficiency, quick start-up) Production engineering companies Municipal Power Generation Industrial Power Generation Seite 11
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