%0 Journal Article
%T DirectHeatIntegrationofIndependentProcesses
%A 冯霄
%A 文健
%A 叶鑫午
%J 过程工程学报
%D 2004
%X Thepropertiesofmatchedstreams,thesimultaneousoperationtime,andthedistancebetweenintegratedprocesses,arethemainfactorswhichdeterminewhetherthedirectintegrationisfeasibleornot.Accordingtowhethersuchsyntheticintegrationiseconomicallybetterthantheseparateintegrationofeachprocess,amathematicalformulationisestablished.Theretrofitofreformingandareneprocessesinacertainpetrochemicalfactory,whichareindependenteachother,ischosenasacasestudy.Byonlyconsideringthesimultaneousoperationtime,tworetrofitdesignsareproposedoneisthateachofthetwoprocessesisseparatelyintegratedbyitself,andtheotheristhatthetwoprocessesareintegratedcomprehensively.Underdifferentsimultaneousoperationhours,theenergy-savingeffectsandtheeconomicprofitsofthetwodesignsarecalculated,andfurthermore,thecriticalsimultaneousoperationtimefordirectheatintegrationofthetwoprocessesisobtained.Whentheactualsimultaneousoperationtimeofthetwoprocessesislongerthanthecriticalvalue,thedirectheatintegrationofthetwoprocessesisbettereconomically,andotherwisetheseparateheatintegrationforeachprocessshouldbeconsidered.
%K heatintegration
%K independentprocesses
%K simultaneousoperationtime
%U http://www.jproeng.com/qikan/Cpaper/zhaiyao.asp?bsid=620