脲甲醛缓释肥生产工艺技术及应用

－066003介绍了脲甲醛缓释肥的发展历史、特点、作用机理和生产工艺，分析了脲甲醛复合肥装置的投资、效益和市场前景，为现有的复合肥转鼓造粒或塔式造粒装置改产脲甲醛缓释肥技术改造提供了思路。复合肥;脲甲醛;缓释肥TQ444.5B1009－1904201301－0041－0319%32%30%35%10%25%35%50%。、。、。200712005～2020。2UF19241955BASF。2050、、2070、、。2070。。3。10～30d30～60d60～120d。。41。4.1NH2CONH2→+HCHONH2CONHCH2OH·14·2013年第1期SP＆BMHRELATEDENGINEERINGSP＆BMHRELATEDENGINEERING2013年第1期NH2CONHCH2→OH+HCHOHOCH2NHCONHCH2OH4.2—NHCONH2+HOCH2NHCONH——NHCONHCH2NHCONH—3NH2CONHCH2NHCONH2MDUNH2CONHCH2NHCONHCH2NHCONH2DMTUNH2CONHCH2NHCONHnHn=1～810。4.3pHUF、pH、、。nU/nF2nU/nF1nU/nF=1.3～1.4。。55.11.wN≥46%GB2440－2001。2.wHCHO≥36.5%wCH3OH≤3.5%GB/T9009－2011。3.wNaOH≥30%GB209－2006。5.2、。。1。166.112。1100～200kt/a/11122213313511.0611.0710.2811911.8101230140℃。6.26.2.11.5～10/。·24·2013年第1期石学勇，等.脲甲醛缓释肥生产工艺技术及应用2/1302332435、、263718292102502.65%～70%15～20/。3.、、。4.。5.。、6.2.21.。2.。3.。4.。7、、、、1Mt/a。、、、、、、。。1.J.201126212～13.1972－－。[e-mail]。2012－09－25檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨檨、、。201281650wN20.20%wS23%。。20112250kt/a520kt/a85.1kt/a。10。60%“”100%。(汪家铭)2009KP4882010。KP48896km2900Mt。3000kt/a20132015。、、。、3000kt/a。3000kt60%45%。(汪家铭)·34·SP＆BMHRELATEDENGINEERINGBimonthlyTotalNo．112No．12013PublishedonJan．312013ABSTRACTSInitialIssueinDec．of1991FunctionandEffectofElectricalParametersonElectrothermalProcessPhosphorusProductionSUNZhi-liGuizhouYuanyiOreGroupCo．Ltd．Weng’an550405ChinaAbstractTheconceptofpowerfactorcosφinelectricalparametersforelectrothermalprocessyellowphosphorusproductionthewayofexpressionandtheknowledgeofphosphorusproductionindustryonthepowerfactorareoutlinedaswellasconsiderationsandeffectbythephosphoruselectricfurnacedesignandprocess．Itispointedoutthatpayingattentiontoandincreasingthepowerfactorwillnotonlyreceiverewardbythepowerauthoritybutalsoisakeytechnicalmeasuretoreduceenergyconsumptionandincreasetheeconomicbenefitbythephosphoruselectricfurnace．KeywordsphosphoruselectricfurnacepowerfactorelectricalparametereffectanalysisApplicationofHighGravityDesulfurizationTechnologyinSulfuricAcidIndustryXUJuan12CHENJian-feng23ZOUHai-kui23CHUGuang-wen23ZHAOHong231．SuzhouHiGeeEnvironment＆EnergyTechnologyCo．Ltd．Suzhou215131China2．BeijingUniversityofChemicalTechnologySuzhouResearchInstituteSuzhou215131China3．BeijingUniversityofChemicalTechnologyResearchCenterforHighGravityTechnologyofMinistryofEducationBeijing100029ChinaAbstractTheconstructionofhighgravitydesulfurizerchemicalprincipleofdesulfurizationandtechnologicalrouteofhighgravitydesulfurizationareoutlined．TheindustrialapplicationofthetechnologyindesulfurizationofsulfuricacidtailgasbyZhejiangJuhuaCo．Ltd．andAnhuiTonglingHuaxingChemicalCo．Ltd．ishighlighted．TheresultsshowthathighgravitydesulfurizationefficiencyishighconcentrationofSO2inemissionaftertreatmentislowerthanthenewemissionstandardof400mg/m3highgravitydesulfurizationfeaturessmallerequipmentsizelesslandmodulizedinstallationex-cellentoperatibilityandresistancetofouling．Thetechnologyisconsideredtohavegoodvalueforpromotionandsocialandeconomicbenefits．KeywordssulfuricacidproductionSO2tailgashighgravitydesulfurizationprincipleapplicationeffectApplicationofBellTypeValveinSulfur-burningSulfuricAcidProductionPlantWEIFa-zhanGuiyangSino-chemKailinFertilizerCo．Ltd．Guiyang551109ChinaAbstractForproblemsinsulfur-burningsulfuricacidplantforexampletheside-linevalveofthewasteheatboileriseasilyfailedthetimeislongforshutdownreplacementandthecostisbigtheapplicationofbelltypevalveinsulfur-burningsulfuricacidplantissummarizedwhichwillhelpre-ducingtheproductioncostforsulfur-burningsulfuricacidplantandincreasingtheavailabilityoftheplant．Keywordsbelltypevalvesulfur-burningsulfuricacidsavecostincreaseavailabilityQualityControlofKeyManufacturingProcessofTubeandShellHeatExchangerLVXin-chun1MENGLing-xiao21．PhosphateFertilizerIndustrialGroupCompanyofLuxiChemicalGroupCo．Ltd．Liaocheng252000China2．IndustrialEquipmentCo．ofLuxiChemicalGroupCo．Ltd．Liaocheng252000ChinaAbstractWhethertheheatexchangerandoperatenormallyandwhetheritseffectisgoodornotplayacrucialroleinthelong-termandstableoperationofthechemicalplant．Inordertoensuremanufacturingqualityoftheheatexchangerandstrengthenitsprocesscontrolforequipmentmanufacturingthequalitycontrolforkeypointsduringthemanufacturingisoutlinedincludinginspectioncleaningandassemblyofitsheatexchangingtubestubesheetbafflesandconnectionmethodofheatexchangingtubesetc．KeywordsheatexchangermanufacturingqualitycontrolProductionProcessTechnologyforUrea-formaSlowReleaseFertilizerandItsApplicationSHIXue-yongZHANGBing-yinWANGJin-mingSino-ArabChemicalFertilizersCompanyLimitedQinhuangdao066003ChinaAbstractThedevelopmenthistorycharacteristicsworkingprincipleandproductionprocessofurea-formaslowreleasefertilizerareoutlinedandtheinvestmentbenefitandmarketprospectofurea-formacompoundfertilizerplantareanalyzedwhichprovidesaguidefortechnicalrevamptochangefromexistingcompoundfertilizerrotarydrumgranulationortowergranulationplanttoproductionofurea-formslowreleasefertilizer．Keywordscompoundfertilizerurea-formaslowreleasefertilizerStudyofPhosphogypsumCarbonThermalReductionReactioninFiel