1、38 3 2010 M3 CHEMICALENGINEERING(CHINA) Vol.38No.3Mar.2010Te:(1938), o,) =,Z_/ #x8,:(029)82226475,E-mail:。24 q wL陈志希1, 谢明辉2, 周国忠2, 虞培清2, 王抚华1(1. S !9/ _, 710054;2.h K , 325028)K1:cHq/ T、 T、| T、w T 10.4 0.6,v.d13 , T, q wL。 6= 7 d、5、 、5、Q q wL, 24H wL。W% q wL ! T 1,!9 H P; v1#= L= 31il, q 1,i NP-Re w
2、Li Y。1oM: ; q9 ; q wL;ms |:TQ027.2 DS M :A cI|:1005-9954(2010)03-0038-06Powercurvesof24typesofmixersCHENZhi-xi1, XIEMing-hui2, ZHOUGuo-zhong2, YUPei-qing2, WANGFu-hua1(1.NationalTechnologyCenterofChemicalEngineeringDesign, Xian710054, ShaanxiProvince, China;2.ZhejiangGreatWalReducerCo., Ltd., Wenzho
3、u325028, ZhejiangProvince, China)Abstract:Themixingpowercurvesofdiferenttypesofmixerswithbafleswereploted, includingimpelertype,turbinetype, foldingimpelertype, impulsetypewithawheel/tankdiameterratioof0.4-0.6 whichishigherthanthatwith13 ofconventionalones, anddual-layerimpelertypes.Thepowercurvesof
4、mixerswithdiferentimpelers, includingimpelerwithholesonblade, tubularimpeler, arcimpeler, andfront-backsurfacehalf-pipeimpeler, wereploted.Thetotalis24 curves.Theconstructiontypeandvariousparameterratiosofplotingequipmentwereintroducedforreferenceinmixerdesign.Thesignificanceofhigherwheel/tankdiamet
5、erratioanddual-layerimpelerinpracticewasexplained.Thepowernumbersofmixerswithdiferentconstructionwerecompared.SomeinformationandadviceswerepresentedfortheapplicationofNP-Recurve.Keywords:mixer;powercalculation;powercurve;ploting 、 、 F5S= ,50= zb,y501Kv,yN50 = ? , 55050 h 2H |H,=Dm1(d) |。 = ! L=B =,B
6、K, L1 |= ,m1(e) B= , = K。5 = 7 7 T5。I|15,17 5j “ 8 L。I|16,18 5“ 8。= zb5。wT= nm1(f)。2 B 2=,2=“ 7 ,= T、j VM,9 V。2= T、j B“, I|20, 21、/=sYMp90。 = 1/45F, h。= B b1/4, “ 8,i P 8 J,nm1(g)。m1 =Fig.1 Impelershape2 q wL kT I|1, 3, 7,11,13,17, 18, 23 qwLnm2。 I|2, 6, 8, 9, 10, 12, 19, 21 q wLnm3。 I|4, 5, 14, 15,
7、 16,20,22,24 q wLnm4。m24USRe v ,:USNP q 。m2 q wLm( I|1, 3, 7, 11, 13, 17, 18, 23)Fig.2 Powernumbercurves(MixerNo.1, 3, 7, 11, 13, 17, 18, 23)40 2010 M38 3 (1)24 q wL,iW% q wL !、,j1, V !9 H 44G q9 H。(2)V24H q wL V A/ f 1,1V nV2。41陈志希等 24 q wLV2 Re=2Re=3105 HNP1Table2 ComparisonofNPofdifferentmixersat
8、Re=2andRe=3105| I| 1 = NPRe=2 Re=3105NPM/%Re=2 Re=310511= 3= d d d17.18 1.6917.17 1.26 0.058 342 2= 4= d d d12.71 1.013.13 0.77 3.2 3031= 5=| | 17.18 1.6914.37 0.63 20 1684 2= 6=| | 12.71 1.010.95 0.41 16 1445 1= 7=5 j 17.18 1.6920.54 0.420 766 2= 8=5 j 12.71 1.015.65 0.28 23 727 13 B= 15 B=5 () j 2
9、7.28 2.4428.31 1.813.8 268 14 B= 17 B=5 () j 23.58 1.4924.26 1.01 2.9 329 13 B= 16 B=5 () 27.28 2.4428.2 2.033.4 171014 B= 18 B=5 () 23.58 1.4923.19 1.44 1.7 3.411 3= d 20= d 、A 、 z17.17 1.2626.69 1.3355 5.6124= d 21= d 、A 、 z13.13 0.7723.04 0.81 75 5.213 5=|23= | j 14.37 0.6317.12 0.5519 13146=|24=
10、 | j 10.95 0.4112.77 0.31 17 24V2 NP1 /:(1) I|13241 I|1, 2 d, 3, 4 d, B“,VV V, v Re=2 H q NPM, d1 dv0.058% d1 dl3.2%;7 v Re=3105 H,NP d1 dv34%30%。(2) I|15261 I|1, 2 ,75,6 |, v u v u, q 1|v。Re=2 H 1|v20%16%。Re=3105 H, 1|v168%144%。(3) I|17281 51 ,VV2 V ARe u51 NPv,Re=2 H,51 v20%23%。 v u51 NPl,Re=3105
11、H,51 l76%72%。(4) I|1315,161,#I|1417,181 ,j 1, v uRe=2 H,3= M f /,1F,NPM,v f / Kl,j 1 v3.8%42 2010 M38 3 2.9%, 1 v3.4% 1 l1.7%。 v u,Re=3105 H,j 1 NPl26%32%, 1 NPl17%3.4%。(5) I|34 B d ,A H(T,b/DsY0.1640.109。 I|20,21 = d ,A (1.2,b/DsY0.1030.069,1 I|3,4l,2F = zsY1 I|3,4v。I|320# I|4211Y 、A ,= z。VV2 V A, v uRe=2 H,211NPv,sYv55%75%。7 v uRe=3105 H ,A v,9 zvNP v,v1Re=2 Hl,sYv5.6%5.2%。(6) I|5, 6, 23, 24 _ , 19 , 4=Z,.8 + LJ., 2005, 32(5):259-262. 4 . 8 q9 M L5 !9 m(/).:, 2002:3-25.43陈志希等 24 q wL
