BFB Boiler K7 sktc wnl cun ture ISiC leo

• Supplier
Foster Wheeler Oy

• Commissioning
2001

• Heat Output
88 MWin

• Steam parameters
33,5 kg/s, 90 bar (36 kg/s, 115 bar), 525 C

• Feed water temp.
135-190°C

• Flue Gas Exit temp.
153°C

• Boiler Efficiency
88,5%

• SO, Emissions
< 395mg/Nm3

• NOX
< 425mg/Nm3

• PM
< 50mg/Nm3

BFB Boiler K7 – Main Fuels
€
S!
9
• 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
•clud
The Biotore Compony
• Sludge from WWTP
– Sulphur 0,2-1,7%
– Moisture 65-75%
– LHV >0,5MJ/kg
– max. 7% of fuel power

BFB Boiler K7 – Flue Gas Treatment
• Bag Filter (Alstom)
– 4 chambers
– 376 bags, 7 m long
– DAS (Dry Absorption System)
Pre-coating with Ca(OH)2
– max. operating temperature 200
°C
The Biofore Company UPM
• Flue Gas Scrubber (Ehox
Tuote Oy)
– 2 scrubbers, 1 in operation
– 27 Nm3/s, 170°C in
– 20 Nm/s, 43°C out
– Heat Recovery 18 MW at low temperature, 60°C