Ref. No.:POWERPLANT200501
YEAR:2001 -2009
Brand:FOSTER WHEELER, SIEMENS, HONEYWELL ETC.
Qty:1 Second-hand power plant including boiler (BFB – boiler bubbling fluidized bed)
Built:2001, 2002, 2006, 2009 Revision
Description | POWER PLANT INCL. BOILER - BOILER 88 MW - TURBINE 22.5 MW |
Ref. No. | POWERPLANT200501 |
Year | 2001 -2009 |
Brand | FOSTER WHEELER, SIEMENS, HONEYWELL ETC. |
Qty. 1 Second-hand power plant including boiler (BFB – boiler | bubbling fluidized bed) |
Mfc. | Foster Wheeler, Siemens, Raumaster, YIT Corporation, Honeywell, |
Built | 2001, 2002, 2006, 2009 Revision |
BFB Boiler – 88 MW Steam turbine – 22.5 MW | |
Main Steam Cycle | |
BFB boiler K7 | |
– Some parts removed and storaged indoor at the paper mill area | |
– Boiler is made electrically safe (cables cut) | |
– Dry conservation ongoing since 2014 (tubes filled with nitrogen, dry air circulation) | |
– Steam Turbine VP4 (in storage) | |
Generator (in storage) | |
Power Plant – Function | |
Primary function is to produce steam for the Paper Mill reliable and economically | |
Secondary functions | |
Burning of the Paper Mills (PM) waste wood | |
Incineration of sludge from the PM | WWTP |
Production of flue gas to the PCC (precipitated calcium carbonate) plant | |
Electricity production | |
District heating production | |
Scope of supply - main machinery and key components | |
Feed water pumps and motors 2 pc High-pressure preheater, feed water heater | |
Feed water valves Injection water system | |
Steam drum Combustion chamber | |
Fuel drop funnel 4 pc Start-up burners 2 pc | |
Load burners 2 pc Waste oil burner, waste oil tank | |
Natural gas filters Economiser | |
Air-preheater Super heater | |
Exhaust system Main steam valve | |
Safety valves Dust removing system | |
Bed material system, bed sand silo Bed sand preparing | |
Bed lime system, lime silo Furnace ash system | |
Fly ash system, fly ash silo and screws Primary air blower | |
Secondary air blower Twist grip blower | |
Bag filter Flue gas blowers 2 pc | |
Flue gas scrubbers, lye system, scrubbers sludge system | |
Safety locking system Nitrogen preservation system | |
Chemicals dosage and chemical pumps Sample system | |
Chimney | |
Technical Data | |
BFB-boiler K 7 | |
Mfc. | Foster Wheeler Oy Commissioning |
Heat Output | 88 MWth Steam parameters |
Feed water temp. | 135-190°C Flue Gas Exit temp. |
Boiler Efficiency | 88.5% SO2 Emissions |
NOx | < 425 mg/Nm3 PM |
Operation time | 88 000 hour Latest revision in 2009 (air preheater) |
Maintenance revision annually Operation manual | |
Main Fuels Bark, saw dust, wood chips and waste wood | |
Sulphur <0,05% Moisture 30-65% LHV 3.7-6.9 MJ/kg | |
Peat Sulphur 0.25% Moisture 40-58% LHV 6.3-11.3 MJ/kg | |
Sludge from WWTP | |
Sulphur 0.2 – 1.7% Moisture 65-75% LHV >0.5 MJ/kg max. 7% of fuel power | |
BFB Boiler K7 - Flue Gas Treatment | |
Bag Filter Mfc. | Alstom 4 chambers |
376 bags 7 m long | |
DAS (Dry Absorption System) Pre-coating with Ca(OH)2 | |
Max. operating temperature 200 °C | |
Flue Gas Scrubber Mfc. | Ehox Tuote |
2 scrubbers - 1 in operation 27 Nm3/s, 170°C in | |
20 Nm3/s, 43°C out Heat Recovery 18 MW at low temperature, 60°C | |
Solid fuel system for K7 (NOT ALL AVAILABLE BY THE OWNER) | |
Mfc. | Raumaster Built |
Maintenance revision annually Operation manual | |
Excluded | Not available by owner |
Bar conveyor Crusher Fuel batching screw, fuel-receiving pocket | |
Scraper conveyor to screen hall Screen system | |
Scraper conveyor to silos and scraper conveyor on the silos | |
Peat silo, fuel-batching screw (batching screw not existing) | |
Bio fuel silo, fuel batching screw (batching screw not existing) | |
Fuel line from silos | |
Included | |
Fuel line 1 from SFS to the boiler Fuel line 2 from SFS to the boiler | |
Back-up fuel pocket and fuel batching screw Fuel batching screw at power plant | |
Robbery fuel batching screw Batching bin 2x50 m3 | |
Scraper conveyor at the boiler 2 pc Fuel batching pockets & fuel batching screw | |
Fuel feeder 4 pc Fuel sample crusher | |
Extinguishing steam system | |
Sludge system for K7 | |
Built | 2002 |
Excluded | Not available by owner |
Compressor Sludge pneumatic press | |
Sludge pipe cleaning system Blowpipe to the power plant | |
Included | |
Cyclone Sludge silo and batching screw | |
Automation and electrical equipment, spare parts for K7 | |
Included | |
Mfc. | Honeywell Type |
Field instruments (as it is on the field) Motors | |
Frequency changers Automatic valves etc. (as it is on the field) | |
Auxiliary devices (as it is on the field) All available existing specific spare parts | |
Excluded | |
Radioactive sources | |
Steam Turbine/Generator VP4 (removed & in storage) | |
Turbine | |
Mfc. | Siemens Type |
Power | 22.5 MW Reactive power |
In operation since 2009 until 2012 Operation time | 24 000 h |
Revolution | 8274 RPM Inlet pressure |
Inlet temp. | 525 °C Inlet flow |
Tap-off pressure | 3.7 – 24.1 bar Tap-off temp. |
Tap-off flow | 7.9 – 33.5 kg/sec. Outlet pressure |
Outlet temp. | 144 – 205 °C Outlet flow |
Operation manual | |
Generator | |
Mfc. | Siemens Teho Generation AG Type |
Nominal output | 28.5 MVA Power |
Voltage | 6.3 kV (+5/-10%) Rated current |
Frequency | 50 Hz In operation since 2009 until 2012 |
Operation time | 24 000 h Operation manual |
Included | |
Turbine Gearbox Turning gear Generator | |
Generator cooler Oil system Siemens automation system | |
Automation and electrical equipment (as it is on the field) | |
Motors Frequency changers Valves | |
Auxiliary devices (as it is on the field) All available existing specific spare parts | |
Water treatment system at the power plant | |
Mfc. | YIT Built |
Raw water purification and desalination Operation manual | |
Raw water purification | |
Max capacity | 146 m3/h Capacity |
Included | |
Pumps and compressors Tanks | |
Flock-filtering system 2 pc Preheater of raw water | |
Automation and electrical equipment (as it is on the field) | |
Motors Frequency changers Valves | |
Auxiliary devices (as it is on the field) All available existing specific spare parts | |
Desalination | |
Net capacity | 2 x 72 m3/h |
Included | |
Cation exchangers 2 pc A1/A2 exchangers 2 pc | |
MB exchangers 2 pc Tanks | |
Pumps Heat exchanger | dilution water of lye |
Automation and electrical equipment (as it is on the field) | |
Valves Motors Frequency changers | |
Auxiliary devices (as it is on the field) All available existing specific spare parts | |
Steam, condensate and feed water system | |
Included | |
Feed water tank Condensation tank | |
Purification of condensation, precoat-system Condensed steam pumps | |
Steam tanks Steam condenser | |
Reduction valves Steam-pressure accumulator | |
Cooling water system | |
Automation and electrical equipment (as it is on the field) | |
Valves Motors Frequency changers | |
Common electrical equipment | |
Process central | |
Distribution transformers | |
1 pc 400 V 1.25 MVA 2 pc 690 V 3.15 MVA |