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GE, Frame 6B PG6561B, 2009, 77 MW Gas Turbine Power Plant

GE, Frame 6B PG6561B, 2009, 77 MW Gas Turbine Power Plant

Description

  1. Overview
    1. Total output: 77 MW
    2. Frame 6 B gas turbine PG 6561B, LEC upgraded one, converted in 2009 from syngas to LEC natural gas combustion system
    3. GT transmission, BHSAD 66 USO
    4. Generator Alstom T 214-234
    5. GT controller system (Mark V)
    6. CO2 fire extinguishing system of the gas turbine
    7. Heat recovery steam generator, standard boiler Duisburg 4x4 sygas-fired additional burner
    8. Main steam turbine, double extraction - condensation turbine
    9. ABB turbine Nürnberg GmbH, type VEE 40
    10. Boiler feed water pumps 1 and 2 Sulzer pumps Germany
    11. Condensation steam turbine SST 060, Siemens Turbomachinery
    12. Cooling water pumps 1, 2 and 3 KSB AG DT
    13. Cell cooling turbine 1 and 2, GEA Energietechnik GmbH
    14. Full desalination plant 2.9 sqm, Hager and Elsässer GmbH
  2. Included Equipment
    1. Housing gas turbine generator set with filter house
    2. Gas turbine machine transformer 10/30 kV; 55 MVA, Pouwels
    3. Heat recovery steam generator with gas turbine - flue gas duct and chimney
    4. Machine house - steel structure, isopanels
    5. Steam turbine machine transformer 10/30 kV; 37.5 MVA
    6. Both cell coolers
    7. Gas reducing station - without the building itself
    8. Double girder overhead traveling crane 25 ton and 6.3 tons
    9. Elevator boiler house 500 ZPP, GEDA
  3. Gas Turbine Work During Conversion to Natural Gas
    1. Hot gas path inspection
    2. Exchange of the 10 transition pieces
    3. Exchange of the 10 burners with Wueruündrpheren
    4. Exchange of the guide vanes and blades of all 3 stages
    5. Installation of a LO NOx system
    6. Adaptation of the control to the new driving style (software change)
    7. Transmission revision
    8. Refilling the turbine oil
  4. Gas Turbine Generator Work
    1. In 2010 a 3-stage air filter was installed
    2. Pull large revision with inductor
    3. Insulation measurements
    4. The conversion of the GT was carried out by Ansaldo Thomassen
  5. Steam Turbine Work
    1. Open the turbine
    2. Bring runners to the factory, material tests, blasting, sheet metal, balancing
    3. Reseal parting joint
    4. Close withdrawals that are no longer required
    5. Realignment of the runner
    6. Renewal of sealing steam control
    7. New turbine control and adaptation to the steam turbine generator control system
    8. The same work was carried out on the generator as on the GT generator
    9. The revision work was carried out by Turbomaschinen (TMS)
  6. Waste Heat Boiler Work
    1. The AHK received a water pressure test
    2. Comprehensive material tests were carried out
    3. All TÜV-relevant tests including the associated containers and pipelines
  7. Documentation and Compliance
    1. The necessary documentation is available for all work carried out, from which further details can be found
    2. All specialist companies involved in the general overhaul and technical renewal can confirm that the power plant complies with current technical requirements, including environmental requirements