Inspirational Case Study. 25th of March Small scale Waste to Energy solution ton/a in Nybro, Sweden

Transcription

1 Inspirational Case Study 25th of March 2015 Small scale Waste to Energy solution ton/a in Nybro, Sweden By : Anders Victoren, Valmet AB Sweden and Pär Stenberg Anders Victoren

2 KVV Transtorp Nybro, Sweden. 22 MWth WtE A tailor made plant for long term economy and built to work from day one Built for the utmost flexibility with regards to fuel composition and load range Built with state of the art technology at basic cost

3 ENDURANCE DIAGRAM Nybro 22MW th WtE Boiler Turbine 20 Kährs Losses District heating Coolers Old boilers 4 (1, 2) WtE Boiler POWER DEMAND AVAILABLE POWER Fjärrvärme 30,0 MW th P4 Biomass 24,0 MW th 42% Min. load Kährs floorboard industry 12,0 MW th P1 Biomass 13,0 MW th 40% Min. load Existing turbine 0,0 MW th P2 Biomass 11,0 MW th 40% Min. load Losses 5,0 MW th Oil P3, P5, P6 12,0 MW th 10% Min. load Coolers 6,0 MW th New P7 Waste 23,0 MW th 70% Min. load New turbine 5,3 MW th Total 58 MW th Totalt 83 MW th ENERGY DEMAND POWER PRODUCTION Fjärrvärme 98 GWh th h (1) P4 Biomass 28 GWh th h (1) Kährs floorboard industry 44 GWh th h (1) P1 Biomass 10 GWh th 800 h (1) Existing turbine 0 GWh th - h (1) P2 Biomass 1 GWh th 111 h (1) Losses 20 GWh th h (1) Oil P3, P5, P6 2 GWh th 207 h (1) Ny turbin 46 GWh th New P7 Waste 176 GWh th h (1) Kylare 10 GWh th Total 219 GWh h (1) Total 219 GWh th Calambio Engineering AB S Strömgatan 9 S Alingsås Telefon Telefax Bilaga

4 KVV TRANSTORP WASTE TO ENERGY NYBRO, SWEDEN Commissioning spring % Industrial waste FGT Dry flue gas cleaning. Scrubber optional District heating accumulator m % Municipal waste tonnes annually Single stage shredding 40 / tonne gate fee 22 MW th bubbling fluidised bed boiler. 60 bar(g) 410 C. 5,6 MW el (1) steam turbogenerator. Condenser for district heating. Controlled extraction for industrial hot water demand. Note 1 6,5 MW electric output possible with standard district heating back pressure.

5 Nybro WtE in early march 2015.

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8 Total investment volume versus plant size 4,00 3,50 Total investment [M /MWth 3,00 2,50 2,00 1,50 1,00 Västervik Nybro Uddevalla Jönköping Helsingborg Västerås 0,50 0, Boiler thermal power [MW] Västervik Miljö & Energi AB, Sweden. Waste to Energy 20 MW th 6 MW el. Commissioned 2013.

9 Bio-El AS, Fredrikstad Norway. 22 MWth Municipal waste. 5,5 MWel Turbines adapted to complex needs

10 PERSTORP SPECIALTY CHEMICALS, SWEDEN 50 MW th CFBC solid fuels (Ex tonnes of slaughterhouse waste + other special wastes) 16 MW th liquid hazardous waste Wet ESP, turbines, NH 3 strippers and all possible other toys at hand. Commissioned 2005

11 Inspirational Case Study 25th of March 2015 Small scale Waste to Energy solution ton/a in Nybro, Sweden By : Anders Victoren, Valmet AB Sweden and Pär Stenberg Anders Victoren

12 Valmet Key figures Experience in Energy production > Orders received 3,071 M > Employees 10,464 > Global market leader with #1-2 market positions in all markets served Energy references > 240 fluidized bed boilers (170 BFB, 70 CFB) > Thousands of oil and gas boilers > 300 recovery boilers > More than 400 evaporator and condensate treatment systems > 400 air pollution control systems Sales split by business 21% 39% Services Pulp and Energy Paper 40% Sales by geographic area 15% 18% 11% 13% 43% North America South America EMEA China Asia-Pacific 1) NRI = non-recurring items Valmet

13 Valmet small scale Waste to Energy solution Combustion technology for shredded industrial and municipal waste Valmet BFB ACZ TM Bubbling Fluidized Bed Advanced Combustion Zone Technical features Compact design Fuel flexibility Low emissions Standardized customized sizes 20, 30, 40 MWth Corresponds to tons waste/year About 20 references 2015 Nybro P5, Sweden 1x 22 MW (new, start up 2015) 2013 Västervik P5, Sweden 1x 20 MW 2005 Borås, Sweden 2 x 20 MW - Full scope EPC 2003 EcoEnergia, Italy 1 x 28 MW 2003 Calabria, Italy 2 x 29 MW 2002 Lidköping, Sweden 1 x 22 MW - Full scope EPC 1999 Versilia, Italy 2 x 12 MW 1999 DERL, UK 2 x 17 MW - Full scope EPC 1984 Lidköping, Sweden 2 x 15 MW - Full scope EPC 1983 Västervik, Sweden 2 x 12 MW 1983 Bollnäs, Sweden 2 x 12 MW 1979 Eksjö, Sweden 1 x 12 MW Anders Victoren

14 WtE solution EPC Borås, ÅP1/2 2x 20 MWth BFB ACZ for waste Anders Victoren

15 Valmet BFB ACZ TM Nybro WtE plant Nybro WtE plant data 22 MW th, tons waste / year Fuels: Industrial waste and MSW Steam data: 60 bar(g), 410 C 6 MW electricity + process steam and heat Evaluation Criteria Boiler Island Investment cost boiler+fuel shredder Building cost - boiler house Maintenace cost Operation cost with Performance and Technical merits Anders Victoren

16 Valmet small scale Waste to Energy solution Improvements the last 10 years One stage slow rotating shredders (150 mm size) 50% reduction of LCC Overlay welding in rear pass (no need in furnace + back pass) Lower maintenance cost Increased steam data (60 bar, 410 C comp to 40 bar 400 C) 6% more electricity Increased flue gas recirculation Lower emissions + Increased fuel flexibility Modularized design Quick assembly work and increased service ability 6 Date Author Title INTERNAL

17 Modular design 7 parts to site - short erection time 7 23 March, 2015 Valmet Author / Title

18 Anders Victoren, Valmet AB Sweden, mobile Pär Stenberg, Calambio Engineering AB Sweden, mobile Anders Victoren