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1. Days of Combustion 2004
June 02 – 03, 2004 Concept and First Operational Experiences of aDirectly Wood Particle Fired Gas Turbine
2. Days of Combustion 2004
June 02 – 03, 2004 Overview state of the art
concept of directly wood particle fired gas turbine
emissions: CO, CnHm, NOx
conclusions
3. Days of Combustion 2004
June 02 – 03, 2004 State of the Art mostly by means of steam power plants
(10 MWel & 20 MWtherm, 30 %)
allotherm gasification and operation of gas engine
(2 MWel & 4.5 MWtherm, 25 %)
4. Days of Combustion 2004
June 02 – 03, 2004 Powerplant Size (fuel) costs prop.
earnings prop. or
degressive
5. Days of Combustion 2004
June 02 – 03, 2004 Directly Wood Particle FiredGas Turbine existing gas turbine
combustion chamber
ash separator
fuel feeding system
6. Days of Combustion 2004
June 02 – 03, 2004 Requirements & Concept main grid isolation small volumes
solid fuels long residence times & mixing
formation of NOx two-stage combustion:
autothermal gasification &
complete combustion
7. Days of Combustion 2004
June 02 – 03, 2004 Combustion Chamber of the Institute pressure vessel: ? 600 mm x 1 750 mm
thermal input: 200 – 700 kW
operating pressure: up to 3 bar
spec. heat release rate: 3.0 – 4.6 MW/m3
ash separator: axial cyclone
8. Days of Combustion 2004
June 02 – 03, 2004 SectionalDrawing
9. Days of Combustion 2004
June 02 – 03, 2004 Airflows
10. Days of Combustion 2004
June 02 – 03, 2004 KHD T216
11. Days of Combustion 2004
June 02 – 03, 2004 PneumaticFuel Feeding System
12. Days of Combustion 2004
June 02 – 03, 2004 CO Emissions
13. Days of Combustion 2004
June 02 – 03, 2004 CnHm Emissions
14. Days of Combustion 2004
June 02 – 03, 2004 NOx Emissions
15. Days of Combustion 2004
June 02 – 03, 2004 Conclusions cost effective powerplant
complete combustion and low NOx emissions by
two stage combustion chamber
appropriate adjusting of air mass flows
reliable operation of expander due to ash separator