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:2004-12-27:(1971112),,1994,,:025-85315414-01761,210038):,,:;;;;:TQ02712:A:1003-6490(2005)01-0038-05,,,,,,,1111[1]HG/T20569-94,:a1,,,,1,,b1,,,2,,c1,,,331120053ChemicalEngineeringDesignCommunicationsVol131No11Mar12005,,,,,,112,,L(45)a(1):L,aL(4050)d(2)d(1),,,,,,,,,,01080113mm,01040108mm,,,[2]44fD/da/d931:,fD,a/d,adl,,,,,,,,21),,,,,5,,,:(1);(2),s;(3)5[3]:f1=sa(a2+1):f2=Frl23EI(a+1):E,E=210109N/m2I,I=d4/64Frf=f1+f2=sa(a2+1)+Frl23EI(a+1):f=-sla2+Frl23EI,,f:aop=-3EIsFrl(3):aop(3)CD130A5-854-1,1#,,,2)(3),:b=MbW=FrlW:bW,W=d3/32(3)aop=3EIsbW=3Esd2baopd=3Es2bd=1732(s/d)1/2b-1/2=Ab-1/2(4):A,A=1732(s/d)1/2(4),b,aop/d;:d,aop/d;b,aop/d3,,,31131111,,0431,,,,,,,,,31112,,n017nk,n/nk017,n/nk017,,,1/y1/2[2],nk,y,n/nk0175018[4]312,31211,,,,,,,6631212,a1,77b1,(1),4,8(2),2,9(3),,2,10(52)141::,,,,300mm,1530m,1(515kW,6000m3/h,2900r/min)(NH2)2CO,,(8%10%),,,,8%,pH135%,,,,,2kW1711KW015/kW515/h1000tNO21tNO210a:2003,NOx95%30,50,,1a,,,,,NOx20010-6,,,,3,NOx,,(SOx)(NOx)(COCO2)(HCN)(41)1987,,,,,,,,313,h/DJ=0125,D/DJ=0125[][1]HG/T20569-941[S]1[2]11:11986[3]1()1:11983[4]1[J]1,1986,(4)12531calresearchDevelopmentandApplicationofSprayGranulationDrierSHENGXin2an(ChemicalMachineryCo1,LtdofSanmenxiaJinquGroup,SanmenxiaHenan472000,China)Abstract:Thisarticleintroducesthedevelopmentofspraygranu2lationdrierathomeandabroadanditsapplicationinammoniumphosphate,doublesuperphosphate,NPKcompoundfertilizerandenvironmentalprotectionindustries1Keywords:Spraygranulationdrier;granulation;drying;classi2fication;backwardmaterialMisunderstandingofTowerModificationinSyntheticAmmoniaFactoryZHANGZhen2ou,HUANGJie,ZHANGXue(TianjinBolongTowerNewTechnologyDevelopmentCo1,Ltd,Tianjian,300193)Abstract:Thisarticledescribessomemisunderstandingsinrowermodification1Italsoputsforwardsomesuggestionsonmodificationofdesnlfurizingsystem,saturatedhotwottertower,decarbonizingsystemandcopperwashingtower1Keywords:regularpacking;packingefficiency;wallflow;masstransferdriveExperienceinAgitatingEquipmentDesignCAOXiao2ling(NanjingKanteChemicalEngineeringDesignInstituteofNanjingChemicalPlantUnderSINOPEC,Nanjing210038,China)Abstract:Thisarticlediscussedthebearingconditionofagitatingshaftdeterminationofoptimumdistancebetweenbearingsandagita2tionshaftstabilizingdevice1Italsoanalyzedtheireffectsonagitatingequipmentdesignandputsforwardsomecountermeasuresandmeth2ods1Keywords:Bearingconditionofshaft;stabilityofcantileverofagitatingshaft;optimumdistance;agitatingshaftstabilizingdeviceApplicationofSteel2linedCeramicBrickinHydrochloricAcidDesorptionTowerZHOUJiang2per,SUNWei(NortheastChinaBranchofEngineeringDesignCo1,LtdunderSINOPETROLEUM,Jilincity132002,China)Abstract:Weusedsteel2linedceramicbrickinhydrochloricaciddesorptiontowerat1451Itisourknow2how1Asaresult,wecanusedomesticequipmentinsteadofforeignones1Itispractical1Thisprovidesanewideaforfuturedesignofhigh2temperaturehy2drochloricacidequipment1Keywords:steel2linedceramicbirck;furan;hardenrubberChlorinatedParaffinPlantTechnicalTransformationStudyWUFei,YUShi2Ling(JianghanPetroleumProspecting&DesignInstitute,HubeiQianjiang433123,China)Abstract:ConsideringtheexistingchlorinatedparaffinplantinJIANGHANPetroleumAdministrationBureauSaltandChemicalComplex,webringforwardthetechnicaltransformationplanforalkylsulfonylchlorideandchlorinatedparaffin-70production.Thisarticlesummarizesthedemandabroadandathomeanddevel2opmenttrendforalkylsulfonylchlorideandchlorinatedparaffin-70.Italsodescribestheeconomicandsocialbenefitsanalysisforthoseproducts.Keywords:chlorinatedparaffin-70;alkylsulfonylchloride;tcehnicalmodification;economicbenefitanalysisWastewaterTreatmentforMedium2DensityFibreboardProductionCAOLin(HunanAgriculture2ForestSurvey&DesignInstituteChangsha410005,China)Abstract:Thisarticleintrodulesthemethodofwastewaterfrommedium2densityfibreboardproductionandthecharacteristicsofbio2chemicaltreatmenttechnologyaswellastheprocessflow1Keywords:wastewatertreatment;aerobic2anaerobiccombinedtreatmentprocess;medium2densityfibreboardApplicationofAcidicUreaSolutioninNOxTailGasTreatmentMABo2yan,LIULin,CAOJian2jun(11Wuhan712Institute,Wuhan,430064;21WuhanSafetyandEnvironmentalDrotectionInstitute,Wuhan,430064)Abstract:AcidicureasolutioncanreduceNOxinpaokedtoweratatmosphericpressure1WeusethistechniquetotreatmentNOxtailgas,whichcansettlemanyproblems,suchasacidicpollutionsource,by2reaction,by2productrecovery1Itcanalsosolvetheproblemofsecondarypollution1Itispractical1Keywords:Urea;nitrogenoxide;treatmentTechnicalTransformationonsteamMeteringSystemYIBo1,HUQing2lian2(11HunanPharmaceuticalCo1,Ltd,Chargsha410005,China;21XiangtanUniversity,Xiangtan,China)Abstract:Thisarticlebrieflydescribesamodificationschemeforsteammeteringsystem1Thisprovidesaneconomicandpracticalideaformodificationofsteammeteringsysteminoldenterprises1Italsointroducestwokeycomponentsrelatedtosoftwaredevelop2ment,namely1Timercomponentsandkscommcomponent1Keywords:steammeteringsystem;modification;software;de2velopment;timercomponent;kscommcomponentExperimentalstudyofverticalsieveplateDefoamerANGuang2hui,ZHANGBao2cun,ZH