Steam turbine stage modernisation in front of the extraction point

• Autorzy: Szymaniak M.
• Języki publikacji: EN

Abstrakty

EN

The paper presents modernisation of the steam turbine stage situated in front of the turbine extraction point, based on a 225 MW turbine LP stage as an example. The modernised design is intended to better control the steam flow in this area. In the presented design a special ring is used to drive the steam leakage flow directly to the heat exchanger. The performed experiments and numerical analyses confirmed measurable exploitation and efficiency advantages of the introduced modernisation. So far, it has been successfully applied in a number of turbines working in inland power plants, but its use can be easily extended, without need for further modification and without advantage loss, to marine turbines, especially those used as main propulsion in sea-going vessels

• Wydawca: -
• Czasopismo: Polish Maritime Research
• Rocznik: 2018
• Tom: 25
• Numer: 2
• Opis fizyczny: p.116-122,fig.,ref.

Twórcy

autor

Szymaniak M.

• Institute of Fluid-Flow Machinery, Polish Academy of Sciences, Fiszera 14, Gdansk 80-231, Poland

Bibliografia

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• 2. Gardzilewicz A, 1995 Analysis of Regenerative Extractions of Turbine Based on Thermal Measurements in Power Plants, VDI Berichte 1186, 1995 Erlangen, pp. 427-443, 8
• 3. Gardzilewicz A and Marcinkowski S, 1997 Stage of Steam Turbine, Patent No 160-805, Warsaw, Poland (in Polish),
• 4. Gardzilewicz A, Marcinkowski S, Sobera H. and Józefowicz Z 1994 Experimental Experience of Patent No. 160-805 Application in 200 MW Turbines, Energetyka (No. 3), pp. 73-78, (in Polish),
• 5. Szymaniak M., Gardzilewicz A, 2009, CFD Technique Applied for the Modernisation of a Steam Turbine Construction in the Regenerative Extraction Area, Proc. IX ISAIF, Gyeongju (Korea) 2009,
• 6. Szymaniak M., Świrydczuk J., Gardzilewicz A., Karcz M., 2011, Circumferential flow asymmetry in steam turbines, 9th European Conference on Turbomachinery - Fluid Dynamics and Thermodynamics, vols I and II, pp. 14351444, Istanbul Tech Univ, Istanbul, TURKEY, MAR 21-25, 2011
• 7. Gardzilewicz A, Marcinkowski S., 2004, Corrosive-Erosive Threat to the LP Stages of Steam Turbines, Proc. XVIII Workshop on Turbomachinery, Plzen 2004,
• 8. Gardzilewicz A, Marcinkowski S, Szymaniak M., 2009, Surveys and Erosion Threat Analysis of Lasts Stages of 225 MW Turbine (Power Unit 3) in Kozienice Power Station, Diagnostyka Maszyn Ltd. Report No. 6/09, (in Polish),
• 9. Szymaniak M., 2012, Report on monitoring the implementation and installation of a new stage in the turbine 13K-225 unit 11 in Łaziska Power Station, IMP PAN, Report No. 913/12(in Polish)
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• 11. Gardzilewicz A, Marcinkowski S, 1993, Investigations of steam flow in the LP part of 225 MW Modernised Turbine (Power Unit 4) in Polaniec Power Station, Diagnostyka Maszyn Ltd. Report No. 6/93, (in Polish),
• 12. Szymaniak M., Gardzilewicz A, 2015, CFD Calculation of New LP Stage Before the Extraction Point in a 225 MW Turbine, Conference on Modelling Fluid Flow (CMFF’15), The 16th International Conference on Fluid Flow Technologies, Budapest, Hungary, September 1-4, 2015,
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• 14. Badur J., Slawinski D., 2008, Strength and Dynamic Calculation for the Patent No. P160-805, Diagnostyka Maszyn Ltd. Report No. 05/08.
• 15. Graczyk P., Graczyk T., Gronert J., 2014, Technology of manufacturing and assembly of ring in the steam turbine, Posteor Ltd. Report No. 07/15, (in Polish).
• 16. Gardzilewicz A, Palzewicz A., Szymaniak M., Gluch J., Gronert J., Graczyk P., 2009, Application of new Solution for LP Stages in the Power Unit No. 3 in Polaniec Power Station, Diagnostyka Maszyn Ltd. Report No. 26/10, (in Polish).

Identyfikatory

DOI

10.2478/pomr-2018-0062