CONCEPTUAL DESIGN OF SEMICLOSED OXYFUEL COMBUSTION COMBINED CYCLE
CONCEPTUAL DESIGN OF SEMI-CLOSED OXY-FUEL COMBUSTION COMBINED CYCLE (SCOC-CC) Majed Sammak Supervisor: Magnus Genrup Lund University Turbo. Power, Stockholm 09 -10/ 04 / 2014
Outline • Objective of thesis • Results • Summary Lund University / LTH / Energy Sciences / Majed Sammak/ 2020 -10 -29
Objective of thesis • Conceptual design of a mid-sized SCOC-CC, ~100 MW net power 1. Process design 2. Turbomachinery design 1. Process design • Thermodynamic process simulations: Heat & mass balance 2. Turbomachinery design • Compressor & Turbine mean-line design Lund University / LTH / Energy Sciences / Majed Sammak/ 2020 -10 -29
Objective of thesis Paper III Paper IV Paper II Paper V Turbine design steps 1. Market research and putting the specification 2. Cycle analysis 3. Mean-line design analysis 4. Trough flow design 5. Airfoil design Lund University / LTH / Energy Sciences / Majed Sammak/ 2020 -10 -29
Objective of thesis 1. SCOC-CC cycle performance • SCOCC-CC Layout • Paper I: CONCEPTUAL DESIGN OF A MID-SIZED SEMI-CLOSED OXYFUEL COMBUSTION COMBINED CYCLE. ASME Turbo Expo 2011, GT 2011 -46299 Vancouver, Canada, June 2011. • Cycle studies and Thermodynamic performance • Paper II: SINGLE AND TWIN-SHAFT OXY-FUEL GAS TURBINE DESIGN IN A MID-SIZE SEMI-CLOSAED OXY-FUEL COMBUSTION COMBINED CYCLE. • Parasitic load ( ASU and CO 2 compression) • Paper VI: On going work Lund University / LTH / Energy Sciences / Majed Sammak/ 2020 -10 -29
Objective of thesis 2. Mean-Line turbine design • Gas turbine configuration • • Paper I: CONCEPTUAL DESIGN OF A MID-SIZED SEMI-CLOSED OXY-FUEL COMBUSTION COMBINED CYCLE. ASME Turbo Expo 2011, GT 2011 -46299 Vancouver, Canada, June 2011. Paper II: SINGLE AND TWIN-SHAFT OXY-FUEL GAS TURBINE DESIGN IN A MID-SIZE SEMI-CLOSAED OXY-FUEL COMBUSTION COMBINED CYCLE. • Mean-line design tool • Paper III: Reduced-order through-flow design code for highly loaded, cooled gas turbines. ASME Turbo Expo 2013, GT 2013 -95469, San Antonio, USA, June 2013. • Oxy-fuel turbine cooling • Paper IV: INFLUENCE OF WORKING FLUID ON GAS TURBINE COOLING MODELING. ASME Turbo Expo 2013, GT 2013 -95457, San Antonio, USA, June 2013. Lund University / LTH / Energy Sciences / Majed Sammak/ 2020 -10 -29
Objective of thesis 2. Through-flow turbine design • Paper V: Through-flow design of oxy-fuel turbines, ASME Power 2014, Power 2014 -32125, Baltimore, Maryland, July 2014. “Accepted” Lund University / LTH / Energy Sciences / Majed Sammak/ 2020 -10 -29
Results: SCOC-CC cycle performance • Paper I+ Paper II Lund University / LTH / Energy Sciences / Majed Sammak/ 2020 -10 -29
Results: SCOC-CC cycle performance • Paper I+ Paper II Compressor pressure ratio - 37 Gross power output MW 134 Gross efficiency % 58 O 2 generation + Compression MW 23 CO 2 compression MW 5 Net power output MW 106 Net efficiency % 46 Lund University / LTH / Energy Sciences / Majed Sammak/ 2020 -10 -29
Results: Mean-Line turbine design • Paper I+ Paper III Single-shaft Lund University / LTH / Energy Sciences / Majed Sammak/ 2020 -10 -29 Twin-shaft
Results: Oxy-fuel turbine cooling • Paper IV Conventional Oxy-fuel Tc High Less Cpc Close Higher Less Acooled Less Higher mc/Acooled Close Lund University / LTH / Energy Sciences / Majed Sammak/ 2020 -10 -29
Paper V: Through-flow design of oxy fuel turbines ASME Power 2014, Power 2014 -32125, Baltimore, USA , July 2014 • Through-flow design • Program: Ax. Cent from Concepts. NREC Parameter Unit Value Pressure ratio bar 37 Total inlet temperature o. C 1400 Mass flow kg/s 169 Power Mw 155 Lund University / LTH / Energy Sciences / Majed Sammak/ 2020 -10 -29
Paper V: Through-flow design of oxy fuel turbines ASME Power 2014, Power 2014 -32125, Baltimore, USA , July 2014 Lund University / LTH / Energy Sciences / Majed Sammak/ 2020 -10 -29
Paper V: Through-flow design of oxy fuel turbines ASME Power 2014, Power 2014 -32125, Baltimore, USA , July 2014 Lund University / LTH / Energy Sciences / Majed Sammak/ 2020 -10 -29
Paper V: 1. Air separation unit • Layout • Challenges • Liquid N 2, O 2 in IPSEpro Done by Chalmers (Refprop) • Distillation column 2. CO 2 compression train • Layout • Challenges • Liquid CO 2 in IPSEpro Done by Chalmers (Refprop) • Cold Box Lund University / LTH / Energy Sciences / Majed Sammak/ 2020 -10 -29
Paper V: 1. Air separation unit Lund University / LTH / Energy Sciences / Majed Sammak/ 2020 -10 -29
Paper V: 1. Air separation unit Lund University / LTH / Energy Sciences / Majed Sammak/ 2020 -10 -29
Paper V: 1. Air separation unit IPSEpro RR ( Reflux Ratio) L/D Condenser effect IPSEpro ASPEN PLUS - 0. 998/0. 002 0. 997/0. 003 - 0. 652/0. 348 0. 73/0. 3 MW 1. 2 2. 7 1. 4 2. 6 Lund University / LTH / Energy Sciences / Majed Sammak/ 2020 -10 -29 ASPEN
Paper V: Lund University / LTH / Energy Sciences / Majed Sammak/ 2020 -10 -29
Paper V: • SCOC-CC • 19 kg/s O 2 • Purity 95% • In literature: separation 900 k. J/kg, compression 350 k. J/kg Separation Compression Turbine Total Case 1 1 stage -17. 8 MW 1 stage -9. 2 MW 3 Turbines 0. 9 MW 26 MW Case 2 2 stage -15. 8 MW 3 stage -6. 8 MW 3 Turbines 0. 9 MW 21. 7 MW Lund University / LTH / Energy Sciences / Majed Sammak/ 2020 -10 -29
Paper V: CO 2 compression train: On going work Lund University / LTH / Energy Sciences / Majed Sammak/ 2020 -10 -29
Summary: • Papers : First Author • Paper I: CONCEPTUAL DESIGN OF A MID-SIZED SEMI-CLOSED OXYFUEL COMBUSTION COMBINED CYCLE. ASME Turbo Expo 2011, GT 2011 -46299 Vancouver, Canada, June 2011. • Paper II: SINGLE AND TWIN-SHAFT OXY-FUEL GAS TURBINE DESIGN IN A MID-SIZE SEMI-CLOSAED OXY-FUEL COMBUSTION COMBINED CYCLE. • Paper III: Reduced-order through-flow design code for highly loaded, cooled gas turbines. ASME Turbo Expo 2013, GT 2013 -95469, San Antonio, USA, June 2013. • Paper IV: INFLUENCE OF WORKING FLUID ON GAS TURBINE COOLING MODELING, ASME Turbo Expo 2013, GT 2013 -95457, San Antonio, USA, June 2013. • Paper V: Through-flow design of oxy-fuel turbines, ASME Power 2014, Power 2014 -32125, Baltimore, Maryland, July 2014. “Accepted” • Paper VI: SCOC-CC + ASU + CO 2 Journal Lund University / LTH / Energy Sciences / Majed Sammak/ 2020 -10 -29
Summary: • Papers : Second Author • Paper I: Jonshagen, K. , Sammak, M. , Genrup, M. , 2012 , ” Postcombustion CO 2 Capture for Combined Cycles Utilizing Hot-Water Absorbent Regeneration”, Journal of Engineering for Gas Turbines and Power, 134, pp. 011702. • Paper II: Thorbergsson, E. , Grönstedt, T. , Sammak, M. and Genrup, M. , 2012, ”A Comparative Analysis of Two Competing Mid-Size Oxy-Fuel Combustion Cycles”, ASME Turbo Expo, 2012, GT 2012 -46299, Copenhagen, Denmark. • Paper III: Vaccarelli M. , Sammak M. , Jonshagen K. , Cipollone R. , Genrup M. , ” Post-combustion CO 2 capture for combined cycles in off-design utilizing hot-water absorbent regeneration”, 2013, PCCC 2, Submitted. Lund University / LTH / Energy Sciences / Majed Sammak/ 2020 -10 -29
Summary: • Ongoing work: SCOC-CC +ASU+CO 2 compression train • Ph. D defense : Planned after summer before next year Lund University / LTH / Energy Sciences / Majed Sammak/ 2020 -10 -29
Sponsors Lund University / LTH / Energy Sciences / Majed Sammak/ 2020 -10 -29
THANK YOU FOR YOUR ATTENTION Lund University / LTH / Energy Sciences / Majed Sammak/ 2020 -10 -29
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