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1、毕业论文如何提高尿素合成转化率院（系）名称化学与环境工程学院专业名称应用化工工艺学生姓名任高林指导教师应浩2008年5月10号28AbstractTwentyyearsago,weproposedanincreaseinureatraytower,towertoimprovethesynthesisoffluidflowposition,operatingunderthesameconversionrateofincreaseofureasynthesis.Whenthesmall-scaleureaplantputintooperation,thedeviceisdesigne
2、dtohavegreaterscopeforasubstantialincreaseofproductiondevicehaspotential.Tenyearsago,wesummarizedtheexperimentalresearchandindustrialdemonstrationplantwhenthefertilizerplant,respectively,andtheweirinthewesternShandongNormalfertilizerplanttowerproposedincreaseinureasynthesisofthetraydesignedto
3、improvetheconversionrateofsynthesis,therebyenhancingproductioncapacity(whichisthetwoplantswerethefirstandsecondchamberTrayswithfactory.)Weirdivisionsfertilizerplant17m'towerintheurineNissan310tonsofurea,theconversionrateof63%ormore,furtherimprovementinthefertilizerplantinYixing17m'towerintheu
4、rine,intheproductionof350tonsofold,conversionrateremainedat62%ormore.AsLuxiChemicalFertilizerPlantisthefirsttousethegaschamber-typetrayureaplant,toplaysafe,donotuseboldapproach,thedesignisconservative,24m'towerinurineoutputwas360tonsofold,lowconversionrateshaveinthecaseof63%,afterthefactoryan
5、dthenaddedtheirowntray,productioncapacityandconversionratehasincreased.Inourmorethantenureaplanthasbeentransformed,thecountry'sracetohavebeensimilar(almostidentical)andthedifferentstructuresofureatray,butalsostructuralfeaturesproposedtoexplainthevarioustheoriesandviews,sothatthereactortransfo
6、rmedinto"hottopics"toanowplayanactiveureaindustrialwasteheat"old"people,hereferredto"highureareactorplateappearance,toenhancetheproductionofsyntheticstrengthofthetoweropenedupnewavenuesInordertoreduceenergyconsumptionofthedeviceplayedapositiverole."wecan"overreaching"andsaid:ShanghaiChemicalR
7、esearchInstitute,China'sureafertilizerresearchcenterisindeedthebasefortheirresearchershavemadeofureaproductioninChinaisWithalargecontributiontotheimprovementofconversionrateofureasynthesisintheproductiontherehavebeensomechangesinpractice,fors
