Design Evaluation Study of Circulating Fluidized Bed ...

1 Kookmin-New Energy Lab(K-NEL) --------- copyright@ , tel:02-910-4818 -1- Design Evaluation Study of Circulating Fluidized Bed Boiler for Power Generation : 2002 7 - 2004 6 : : / Kookmin-New Energy Lab(K-NEL) --------- copyright@ , tel:02-910-4818 -2-- - 1 . 2 . 1. 2. 3. 4. 5. FBHE, FBAC6. 7. 3 . 1. 2. IEA-CFBC 3. 4. CFD 4 . RPF 1. 2. RPF 3. 4. 5. 5 . 1. 2. CFBC Boiler Pro Kookmin-New Energy Lab(K-NEL) --------- copyright@ , tel:02-910-4818 -3- 1.

2 , , , SOx, NOx .. 1981 , 1991 . Lab. scale pilot plant , , , , , , , . 1 ABB(Combustion Engineering), Foster Wheeler (Ahlstrom-Pyropower), Lurgi . (100 / ) . 2 , 1985 . Ahlstrom 7 , Ignifluid 3 , Studsvik 2 , Lurgi 1 , ABB 2 14 .Kookmin-New Energy Lab(K-NEL) --------- copyright@ , tel:02-910-4818 -4- Scott Paper96 MWeLurgiAnthracite culm1986 Darling et al.

3 (1987)Colorado-Ute110 MWePyropower/AhlstromLow-sulfur High-ash Btuminous1987 Lundqvist et al.(1987)Ace(Argus Cogeneration Expantion)90 MWeAhlstromBtuminous1991 Melvin&Howe(1991)Texas/New Mexico150 MWeLurgi/Comb. EngineeringLignite1990 Archbald Power20 MWeDeutsche BabcockAnthracite-culm1991 Kestner&Gields(1991)Tallahassee250 MWeFoster WheelerBtuminous (1996)Jackson Ville300 MWeFoster WheelerBtuminous Mitsubishi Heavy Industry150t/h steamMitsubishiLurgiBitu. coal Ind. waste1986 Ohme et al(1991)Idemitsu Kosan300t/h steamBattelle/MitsuiBituminous coal1986 Kitakyushu 50 MWeBattelle/Mitsuivarious coal1987 350 MWe-- VAW64 MWthLurgiLow-grade coal1982 Beisswenger(1985)Euisburg Municipal Power waste1986 Stein Industry125 MWeLurgicoal/water et al.(1991)EdF250 MWeLurgiHigh ash sum bitu1995 1 DB/VKW : Deutsche Babcock/Vereinigte Kesselwerke AG NSP : Northern States Power TVA : Tennessee Valley Authority VAW : Vereinigte Aluminum WerkeKookmin-New Energy Lab(K-NEL) --------- copyright@ , tel:02-910-4818 -5-Company(Location)CategorySteam(t/h)Fu elStartSupplierOriental Chem.

4 (Inchon)Chemicals120 Bitu. coal*1985 Hyundai/AhlstromSKC(Ulsan)Textile130 Bitu. coal1989"Hyundai Oil(Daesan) **1989"LG(Yuchon)Chemicals210 Bitu. coal1990"Petrochem. Service(Ulsan)Chemicals250 2 Bitu. coal1991, 1994"Samyang Genex(Inchon)Food60 Bitu. coal Heavy oil1991"Taegu Dye ComplexDyeing130 3 Bitu. coal1986 Samsung/BabcockPusan Dye ComplexDyeing80 2 Bitu. coal1992 Daewoo/StudsvikKorea ZincMetal175 Bitu. coal1991 Doosan Heavy/LurgiTonghaePower Plant693 2 Anthracite 1998, 1999 Doosan Heavy/ABB 2 * Bituminous coal, ** Petroleum coke 1, 2 , . Farm animal waste, Sewage sludge and coal, REF(Recycled Fuel), PDF(Package Derived Fuel), RDF(Refuse Derived Fuel), Petroleum coke, Wood, Biomass.

5 , . RDF(refuse derived fuel) .. Charmers 14 MWth CFBC . RDF . Lenzing , viscose bark PDF . , , petroleum coke, biomass, . 5 .Kookmin-New Energy Lab(K-NEL) --------- copyright@ , tel:02-910-4818 -6-Agriculture waste/biomassBarkBitumens and asphaltines : anthracite bituminous sub-bituminous lignite bituminous gob anthracite culmDiatomiteGases : natural 'off' gasesGasifier finesOilOil shalePeatPetroleum coke : delayed fluidRefuse-derived fuel(RDF)Residual and waste oilsSludge : de-inking municipal paper millShredded tiresWashery waste and rejectsWood and woodwaste 3.

6 , , . , , , , . , , IEA-CFBC , , , RPF . Kookmin-New Energy Lab(K-NEL) --------- copyright@ , tel:02-910-4818 -7- 2 .. , , , FBHE , , , FBHE , , , FBHE 1 Kookmin-New Energy Lab(K-NEL) --------- copyright@ , tel:02-910-4818 -8-1.

7 (Rankine Cycle) . , . , . 2 2 (Rankine Cycle) . , , , .. Kookmin-New Energy Lab(K-NEL) --------- copyright@ , tel:02-910-4818 -9- 3 3 .. 40% , , .. , . 600 1000 , 600 1000.

8 , . Kookmin-New Energy Lab(K-NEL) --------- copyright@ , tel:02-910-4818 TBN8764321 CondenserPump5 DeaeratorRe-heaterSuper-heaterEcono-mize rBoilerPumpCondenser HotwellTo Superheater SprayPumpTo ReheaterSprayFeed WaterFrom TBN GlandsClosed Feed Water HeatersClosed Feed Water TBN8764321 CondenserPumpPump5 DeaeratorRe-heaterSuper-heaterEcono-mize rBoilerPumpPumpCondenser HotwellTo Superheater SprayPumpPumpTo ReheaterSprayFeed WaterFrom TBN GlandsClosed Feed Water HeatersClosed Feed Water Heaters 4 2000 ( : ) kg/cm2 g, C, : kg/cm2 g, C .. , 1 .. Kookmin-New Energy Lab(K-NEL) --------- copyright@ , tel:02-910-4818 -11- kg/hr614244 Mcal/hr25570 % C280 kg/cm2 C319 kg/cm2 kg/hr614244 Mcal/hr162292 % C357 kg/cm2 kg/hr614244 Mcal/hr130522 % C541 kg/cm2 kg/hr492788 Mcal/hr59450 % C541 kg/cm2 4 ( 100%).

9 Kookmin-New Energy Lab(K-NEL) --------- copyright@ , tel:02-910-4818 -12- 5 Lurgi 6 FosterWheeler CFB Kookmin-New Energy Lab(K-NEL) --------- copyright@ , tel:02-910-4818 -13- 7 Pyroflow 8 AhlstromPyroflowCFB Kookmin-New Energy Lab(K-NEL) --------- copyright@ , tel:02-910-4818 -14- Lafanechere (1995) CFBC , . 9 (Lafanechereetal.,1995)Kookmin-New Energy Lab(K-NEL) --------- copyright@ , tel:02-910-4818 -15-2. ( ).

10 Riser core annulus downcomer cyclone loop seal exit region dilute region dense region splash region bottom bubbling region bottom zone gas gas distributor lean phase cluster phase indistinct boundary 10 , . , , , . (Ut) (drag force) , . Kookmin-New Energy Lab(K-NEL) --------- copyright@ , tel:02-910-4818 -16- cw Re . Kaskas(cited in Brauer(1971)) Muschelknautz(1988), Haider Levenspiel(1989), Turton Clark(1987) . Martin(1980) Re 105 . 900 C ( : , : ) 1500, 2000, 2500 kg/m3.