EPC:EPC610041EPC,;,,EPC,,,,1EPC111,,,112,,,,113,,,,114,,,115(),,,,,,116,,,117;,;,,,,,,118,,,,,,,2EPC142003,13(2)EPC:EPC©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1),,,;;(2),(3),,,,,,,,(4),,4EPC411324CHEMICALENGINEERINGDESIGN2003,13(2)©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1),(2),(3),(4),(5);(6),(7)()(8),5(1),;(2),(EPCT),(3),(10%),,(4),6611++342003,13(2)EPC:EPC©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1)8%10%,,,20,,50,,10%,2,200,(2),,,,,(3),,,8++,,,811,812,,;;,;813,,,()9EPC,:;911,,912,:9121144CHEMICALENGINEERINGDESIGN2003,13(2)©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:(1)EPC,,,(2)EPC,,(3)EPC,(2003-02-24)(51)3-201,kg/h15500,95/403113/,MPa010282814mmH2O,kcal/h15871,%77,%1523:(1),21966kW;(2)01038MPa,0105MPa,520024,5,,,,,2,40715,43,4144,10105(),m9363,300300,1510,kW225185,m29306304,,,1/3,2715%,6,,,,,,,,,,(2002-10-23)542003,13(2)EPC:EPC©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(ChengdaChemicalEngineeringCorporationofChina,Cheng2du,610041)IntroducetheproposalofEPCengineeringturnkeyproject,itsin2fluenceonexecutionoftheprojectafterwinningtheproject,proposalorganizationofengineeringcompanies,liabilityandprocedures,fac2torshavinginfluenceonproposallevelandquality,andprojectstartundercontracttermsandconditions.KeywordsproposalofengineeringprojectstartofprojectRehabilitationSummarizationofHighPressureLoopofAmmoniaSynthesisZhangXianbo(AnyangChemicalIndustrial(Group)Company,Anyang455133)IntroducethatNCinternalpartsandboiler-installedprocessfromNanjingChemicalDesignInstituteareadoptedintherehabilitationofexistinghighpressureloopofammoniasynthesisofAnyangChemicalIndustrial(Group)Company,andcompareNCandYDtypeinternalpartsandcasingtubes.KeywordsammoniasynthesishighpressureloopconverterinternalpartsrehabilitationRehabilitationofCondensingSystemonTopofCatalyticFractionatorShengWei(ShijiazhuangPetro-chmiecalDesignInstitute,Shijiazhuang050032)Analyzeproblemsexistedinthecondensingsystemonthetopofcatalyticfractionator,putforwardoptimizedprocessflowsheet,adoptsurfaceevaporationaircoolerinsteadofdryandwetcombinedaircooler.Designwasdevelopedandputintopractice,andsatisfac2toryresultobtained.Keywordscatalyticfractionatorcondenserrehabilitation(TranslatedbyFengXuecheng)2CHEMICALENGINEERINGDESIGN2003,13(2)©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.