660MW机组脱硫吸收塔设计(2010No.3):2009-08-17:(1974-),,,。E-mail:xuhc@gel-eng.com660MW徐华春(中环(中国)工程有限公司,南京210008) :2660MW。,,。:;;;:X701.3 :A :1671-086X(2010)03-0219-05DesulfurizationAbsorberDesignfor660MWPowerUnitsXUHua-chun(GCLEngineeringLimited,Nanjing210008,China)Abstract:Designmethodandprocedureofwetdesulfurizationabsorbersfor2660MWpowerunitsinDatangNanjingPowerPlantarebeingpresented.Aimingatthefeaturesthatthesystemhasnoby-passflueduct,noteworthyitemsforthedesignareproposedandcountermeasuresthereforetakenforraisingreliabilityoftheabsorberputforward.Thismayserveasareferenceforabsorberdesignofsimilarengineeringprojects.Keywords:thermalpowerplant;designofdesulfurizationabsorber;noby-passflueduct;anti-corrosionmeasure 2660MW-(FGD),,95%。,100%,、FGD。,,SO2。,。,FGD。,,(GGH),。 ,,。1 ,,1。1 ()/(m3·h-1)2040067/℃112.8()/(m3·h-1)2149160/℃50.3/%20Cl-/%2/(kg·m-3)1131·219·(2010No.3)660MW机组脱硫吸收塔设计2 、、。、、、。2.1 。,,。、(、),,。,()。,3~4.5m/s,3.8m/s。,110%,4.1m/s[1]。2.2(L/G) 。,、,,。,,。,,,。13~16L/m3。2.3 ,。。,、,。2.4 ,3~4。。4,1。,,,,。2.5 ,,7~10m。13~3.5m,,。,2~2.5m。,,1.2m[2]。1m。2.6 2,1。d1=17400mmd2=16000mm,。8.5m,9m。10400m3/h,102。2 /(m·s-1)3.5/(L·m-3)15/m0.5/m0.3()/%80/m3.5/m2.5/m3/m2.4/m1.52.7 ,、、、、,pH,,,SO2、、,、SO2、,、。·220·660MW机组脱硫吸收塔设计(2010No.3)1 (:mm)3 、、、、。,,。3.1 2:。,,,,,≤50mg/m3。≤75mg/m3。。、,,。,,、。,2,。,2,,,。,。3.2 2:(1)(FRP),,。(2),,FRP,,2,,、,,FRP。2 ,。,2,FRP。d=16m,FRP,,,FRP,。3.3 。2:。,,,[3]。,(3),,,[4],。3 ·221·(2010No.3)660MW机组脱硫吸收塔设计 (RBSC)(SNBSC)。RB-SC,,,。SNBSC。,,,[5]。,SNBSC。,170%~250%,,。3.4 ,,。、。,。,,,,1.4529。,。3.5 ,,,(4)。3[6],、,1.4529。4 4 ,、、、、,、。,:、,,。,,。,,。,,,,。,,,。,。,,,,。,。GGH,,,,,,。、,、,。C-276。5 ,、,、,、、,、、、、、,、,·222·660MW机组脱硫吸收塔设计(2010No.3)。,Ansys,,。,,。。,,,。,。6 2660MW,。,,(),。。:[1].600MW[J].,2007,23(3):32-35.[2].[M].:,2007.[3],,,.[J].,2006,33(4):194-197.[4].[M].:,2007.[5],.[J].,2007,8(2):50-52.[6].[J].,2007(4):18-22.(215)3.2 ,、、。PLC(VB/VC)。OPC(SIS),。4 、,,、、,,,,。,,,,4600MW。:[1].XDPS[J].,2008,37(11):110-113.·223·