1、 l :2010-07-14Te:Y(1934-), 3, q,1V Y S, !9l 3) , E-mail:=(IC) Q !99 ZE)胡纪萃( bv S“, 100084)K 1:c =(IC) Q !99 ZE,ICQ +s$ , 49 65 =A8 6 1“ T ,i4 !99 ,K,W%4 !99 L 。1oM: = Q ; !99 ; +; !9 ms |:X703 DS M :A cI|:1000-1166(2011)01-0003-04AMethodofDesignandCalculationforInternalCirculation(IC)AnaerobicReacto
2、r/HUJi-cui/(DepartmentofEnvironmentalSienceandEngineering,TsinghuaUniversity,Beijing100084,China)Abstract:Themethodofdesignandcalculationforinternalcirculation(IC)anaerobicreactorwasexpoundedinthispa-per.OnthebasisofanalysisforthehydrauliccharacteristcsofICreactor, theestimatingrelationofsuperficial
3、velocityintheriserpipewasmodified.Theavailableparamertersofthedesignandcalculationwerepresented.Also, theexemplumofdesignandcalculationforICreactorwasexplainedindetail.Keywords:internalcirculationanaerobicreactor;designandcalculation;hydrauliccharacteristics;designparameter=(IC) Q (/eICQ )1 W80 M 7?
4、 , WS9v, P As =A 6。MQ, CODhl H, hl,4 6 9hl, P5E hl, P As =A/。Q CODr !9 COD H, H As A 5 9 。B ,ICQ V, “ CODM, As =A M。3 6 5 !99 6 5A8 !9ICQ 1o, 6 54 6A8 ICQ ,9 !99 5G 。/4B9 6 54 6A8 ZE。ICQ T b 4 6A8Q 3 EsM ,kN ,T;4 eHq/ICQ 6 54 6A8 ulrVrT 45 。Pereboom64 ICQ 6 5A8 6 ulrVr T:ulr=2 ghp(r-d)-hKT(1-r)2 +KB
5、(ArAd)2 1(1-d)20.5(2)T:hD 84 6,m;h 6 5 5A,m;Ar,AdsY 6 5 5 ,m2;KT,KBsYE “ ;r,dsY 6 =5 5t q,%;g F ,ms-2。 T(2)h L=ICQ HHq vY,yN,3 T(2)。2.1,X L=ICQ s fT s, L=ICQ b 4 6A8Q 1),ICQ 6 546V Q A , O 6 5 g s t T。N y 6 54 6? ( 3 r,yN T(2):ulr=2 ghD(r-d)-hp(1-r)-pKT(1-r)2 +KB(ArAd)2 1(1-d)20.5(3)T | -。ICQ HHq/,
6、6 5 7, E “ KT ,。5 T(3) Ve:4St ChinaBiogas2011,29(1)ulr=2ghD(r-d)-hp(1-r)-pKB(ArAd)2 1(1-d)20.5(4)X T(4)rdsY 6 5 5t q。B d=0.05r,r V/ Tp:r= QgrQlr+Qgr(5)T:Qgr 6 5 =t ,m3h-1m3d-1;Qlr 6 5 =A8 , m3 h-1m3d-1。 T(4) V, = z (r-d)。T(4)KBQ HHq1,YV k 。Pereboom 64 3 k pKB=32。N,Lr V T(4)pBulr,YVQ k pulr。i V p 6 5
7、A8 Qlr:Qlr=ulr4d2r (6)Tdr 6 5。 !9 COD/ p 6 54 6A8 ICQ = ,9 5 !9 。4 5 !99 V 6 54 6 AA, As st b M, V 9 ZE !99 。ICQ !B 6 5B 5 H,5 5 6 5M。 65 B 5 H,5 5vB6 5, 8jYV 9 。i 5 a。 YHq :hhp+p (7)T:h 59 h , E E ,m;| -。 T(7)Hq, 5 a, ,545。YVQ9 , V p a 5。1. 6 5;2. 5;3. As ;4.“ 5;5. 5;6. 5m2 !99 m(m)5 ICQ !9 L X 3l
8、COD iCO=6000 mgL-1,l Q540 m3 d-1, 35, k !9ICQ ( !9 “d Ms )。5.1 确定IC反应器的基本设计参数(1)Q !9 FV=20kgCOD m-3d-1;(2) |COD “ qE=85%;(3)CODt qq=0.5 m3 kg-1;(4) |Q r20m;(5)B 6 5B 5,5 (150 mm。5.2 确定IC反应器的有效容积和主要尺寸9 m m3 U。Q r V:V=C0QF=654020 =162 m3Q A:A=16220 =8.1m2,Q D:D= 4A = 48.13.1416 =3.2 m5.3 循环流量的计算(1) pt
9、 Qg=C0 QqE=65400.50.85=1377m3d-1。5St ChinaBiogas2011,29(1)(2) pYV 6 5t L1 Q it 9 80%,51 Q i V 6 54 6At Qgr=13770.8 =1101.6 m3d-1。(3) pulr|KB=32,p=0.5 m,Xhp=1.5m,Ar=Ad,hD=10 m。VQQ k ( k V ),:r=0.385, d=0.050.385 =0.01925。 T(4) V p 6 5A8 6 ulr:ulr=19.6210(0.385-0.01925)-1.5(1-0.385)-0.532(1-0.01925)20
10、.5=1.148ms-1(4) pQlr: pulr, T(6) V p 6 54 6A8 ( )QlrQlr=Arulr=0.785(0.15)21.148=0.0203 m3s-1 =1752.0 m3d-1=73.0m3h-1(5) V T(5) prr B。r= 1101.61752.0+1101.6 =0.3869 TV , prrB, ,9 ulr V L。5.4 应器上升流速等的计算(1)1 Q i 6 V1 V1 =Qlr+QA =1752.0+5408.1 =283.0md-1=11.8 m h-1( 1 p)(2)2Q i 6 V2 :V2 =QA=5408.1 =66.7
11、 m d-1=2.8 m h-1( 1 p)(3) =1r:r=QlrQ =1752.0540 =3.2(4)Q T = HW:HRT=VQ=162540=0.3 d=7.2 h5.5 回流管的设计计算XAd=Ar,dd=150 mm。m2, 5Ld20 m, 5!9 73.0m3 h-1, V 9 E, p5 h , E hl E hj:h=hl+hj5 9 V7,d150 mm, 73.0 m3 h-11000 i=14.3,V=1.08ms-1,V p 5E hl:hl=14.31000 20=0.286 mE hj , 5 gl l gl bv, m 7,l l E “1 =0.48,
12、l bv E “ 2 =0.93。E h :hj=(0.48 +0.93)(1.08)229.81 =0.084 m5h=0.286 +0.084 =0.37mV hhp+p1 p,i =。6 ) s I n ICQ +, +HHq,Pereboom T(2) ,4 pulrVr T(3), ?1 Q 6 5t 4 6A8 ? p。 Y T(3)9 6B1y 6 5E “ KB , Pereboom4KB=32。N 6 5HHq1,YV 3 k 。 KB ,Yulrvl。 V 3 kT, T(3)KB, pulr Z4L=。 ID: 1 k .IC-CIRCOX# l ) J. , 1997,
13、 23(2):26-28. 2 ,f .ICQ ) APMP il !9J.S/,2008, 24(10):35-38. 3 ChistiMY,HalardB,MooYoungM.Liquidrecirculationinairliftrea-ctorsJ.ChemEngSci, 1988, 48:451-457. 4 Y. k = Q J.St , 1999,17(2):2-6. 5 fV, +.l 3) / M., bv, 2004:431-433. 6 PereboomTHF, VereijkenTLFM.Methanogenicgranuledevelopmentinfullscaleinternalcirculationreac-torsJ.WatSciTech, 1994 30(8):9-21. 7 S g 2 !9. !9 mM.:Sy, 2000.330.6St ChinaBiogas2011,29(1)
