管道绝热设计技术要点分析_王定标

Cormsion&PnteetioninPetrochemiealIndustry2005,22(4)270,..0...0.0..00.(,45(x2):,,,,,,::TE98O.5:A:170X(2005)04002704,()(),,,,:(l),;(2),(3)2,,;350,0.12w/(m.),Zookg/,GB5026497,7.1,pZookg/600350=0.4Oool8(Tm70)(Tm)A,0.35~(l)1,,,,2801.SMPa892.skglh10~20s,DNO(9~x4.5~),(GB)4.8:T0;().3;()2.6m/s3,PH3.1GB5026497:H=1000CCZPrP;::C:(Cl=1.21.4)1.2;CZ,GB50264974.7.1l;P,lt,,200lt;qF,kJ/,kJl;:20050117:(1967),,,,,22,=0.76;PH=l00()x2x20022260x0.76=14.18606kJ1/mmIOXx159x60/mmlx)x279x60/mm0.35xlxZGB845855.5X9.5CHlmm23.2(/m,),:750zm,14.186x0.0578xs(X)ox(28015.3)750x0.2642x0.057822.882=0.35,[l,[l:_,D,___,__,{ITOTa12UIn~jl,XUI~we-I,ITas:D,,m;n,m,D0159m;P,,PE=14.186/106kJ:,Wjm.K,=0.044+0.00()l8(Tm70);Tm;a,w/,GB50264974.8.4.1,:a1.263(10+6)==22.ssZw/m,K;w,s,w2.6;Tm0.5(T0+Ta)0.5(280+15.3)=147.65:=0.0+0.00018x(147.65570)0.0578W/mK:t,h,GB50264974.8.8,8000h;R(/),750/;:DL=0.39m=390mm:=0.5(D:n)=0.5(39059)115.5mmGB50264975.2.8.2a80~(GBJ12689),,100~,,,,60~,60~,120~5l]2,:T0lnD2DZ,DZI+nS,%,(GB817587;=,=0.0578w/mCC;,DZ=0.1592x0.120.399m;Dl,D:0.1562xo.060.279m;D,D=o.159m;,:1+L)10.lx(l+0.1(l+0.10.26428015.3,2,J,i,%,10%,n,,n5;0.3992x0.0578l0.159l=82.222/mDD11=3.795x103,cB5026497B:T0=300186Wz,To=250163wzm,,,280:4.Q=163+186163300250x(280250)176.8w/mQQ,6[1,2:~O_82.222._____,_S=+=+j,760~(GBI183589):xx=1000~x159~x60~,:100()mrnx279nunx60nirn,100150~,,2~Zoomm,100~0.35mm,,,200~30~50~,,(100-540)(540),,,10~30~,25~,20~80mm,,,0.9(),,,,,;,,60;,8,(30-100)(238-30),,.().:,1998,.:,2(X)lAnalysisofCriticalTeehniealAspeetsinRPingInsulationDesignngDibiao,XiaSa,JiimiealEnseriSehoolofZhenhouAbstraet:HeredeseribeIndetlrhedererlnarionofestruetionUnrsitx(Zhengz}u,Henan45)2)andbasiedesignparameterinthedesignofpipihealinsulation,eneprieeealeulation,uniteostofinsulationeonstruetion,materialleetionforinsaon,andinsulationheatealeulation,eulation,insdationexternalsurfaeetemperatureealeulationandrhedesignofinsularioneonstrUetion.TheseProvidebasisfordesignengineer.Keywords:piline,insulationdesi,eonstruetion,teehnoloheat1055eal-theinsulation