:1989,,(276100),14,24,2,12(265010,22602),8,D605,Q160m3/min,L94WD3,Q346m3/min,,,,,19974611.1,:,,,,,,,49kPa,,,,1.2,,,8,5D601,3L94WD1,,,,,,1.3L94WD10.150.25mm,20.600.90mm,21,,,,,,,,,2,12,,,30.60.8mm,40.71.05mm,,2L94WD18,16.8,,,,,1997,,,334,1,,,,31:,,,2:,,3:3,,12,,12,3,,,,12,,,,,,,:,,,5:;;;,;30,3,10mm16MnR,,,1998,8,,,11-;2-;3-;4-;5-;6-;7-;8-;9-21-;2-(653512);3-(306);4-;5-(2000-03-11),,,1996,,ISO9001,GB12220-GB12251-89,APIANSIJISJDINFBSDIN,,,,,,,,,A,,,,,,3,4MPa,-30425,DR40DR2200,,,,,43200038CHEMICALFERTILIZERDESIGN4Vol.38No.4August2000(totalNo.196)KeywordsUreahydrolization,residenttime,ammoniacon2sumptionAnalysistotheDamageofScrewTypeGasificationBlowerandItsModificationZhangGuangli,SongKaiweiAbstractThecauseofdamageofscrewtypegasificationblow2erduetovanesreversemotionisanalyzed.Acheckvalveisde2signedandputattheoutletoftheblower.Successisachieved.Keywordsscrewtypeblower,vane,semisaturatedgas,checkvalveApplicationofPressureSwingRegenerationProcesswithDoubleTowerinModificationofCarbonRemovalDeviceZhangXianboAbstractPressureswingregenerationprocesswithdoubletowerisusedtomodifytheregenerationofcarbonremovaldevice.Characteristicandspecificitemsofthenewtechnologyaredescribed.Keywordspressureswingregeneration,carbonremoval,modificationApplicationofNewTypeWasteBoilerinReformingSectionWangHuafeng,LiuChunxiaAbstractApplicationofnewtypewasteboilerinthereformingsectionisintroduced.Athreepassquenchtubeiscanceled,theout2putisincreased.Keywordsreformingwasteboiler,operationtemperature,highefficiency,energysavingApplicationofRegularPackingandSuperefficiencyDistributorinCopperSaltScrubbingSystemLiHongAbstractItintroducestheusageofregularpackingincopper2saltsolutionscrubbingsystemforenergysavingmodificationinam2moniaproduction.Thebenefitofmodificationisdescribed.Keywordsregularpacking,liquiddistributor,separationeffi2ciencyoftowerEnergySavingModificationofMDEACarbonSemi2RemovalDeviceSunFukong,ZhuXinqing,JiangDongqingAbstractModificationofMDEAcarbonsemi2removaldeviceat5000tNH3/alevelisintroduced.Energy2savingeffectisde2scribed.KeywordsMDEA,modification,energysaving,strippingtowerApplicationof3rdGenerationAgglomerateSuperexcellentSeparationandSystemOptimizationin800SyntheticSystematAmmoniaPlantTianQing,LiChaiqinAbstractFormodificationofa800syntheticammoniasys2tem,the3rdgenerationagglomeratesuperexcellentseparationandsystemoptimizationplusothermodificationsareused.Thecapacityisincreasedfrom100t/dto170t/d.Ahighconversionwithlowspacevelovityisrealized.Keywordssyntheticsystem,agglomeratesuperexcellentsepa2ration,comppletequenchinnerparts,systemoptimizationApplicationofQCS-04NewTypeSulfurProofShiftCatalystZongQiuyun,TianZaoming,LiXin,etal.AbstractApplicationofQCS-04catalystinmiddlepressuresulfurproofshiftsectionisintroduced.Ithasfollowingmerits:withlargestrength,stabilityinstrengthandinstructure,ratheractiveunderlowtemperature,easytobesulfured,easytoregeneration,acceptablepriceetc.Keywordsshift,catalyst,sulfurproof,applicationSelectionofBoilerwithCirculatingFluidizedBedforFertilizerplantZhouYigongAbstractCharacteristicofboilerwithcirculatingfluidizedbedisanalyzed.Characteroffuel,scaleoftheplant,aswellaslocalcon2ditionshouldbeconsideredincombinationinselection.Principlesofselectionundervariantconditionaresummarized.Keywordsnitrogenousplant,boilerwithcirculatingfluidizedbed,selection,gasifiedresidue,circulationratio