应用BCM软件优化工业裂解炉的操作

[e-mail]COTCOTCOTBCM10008144201402019105TQ221.21ADuZhiguoWangGuoqingLiWeiZhangLijunZhangYonggangSINOPECBeijingResearchInstituteofChemicalIndustryBeijing100013ChinaTheeffectsofoperatingconditionsnamelyfeedratemassratioofstreamtooilandcoiloutlettemperature(COT)ontheyieldsofethylenepropyleneandbutadienewereanalyzedwithnaphthaasthefeedstockofindustrialcrackingfurnacesbymeansoftheBCMsoftware.Thefunctionsoftheoperatingconditionsintheoperationoptimizationoftheindustrialcrackingfurnaceswerediscussed.TheresultsshowedthatintherangeofnormaloperatingconditionswiththesamecrackerandfeedstockthefeedrateandmassratioofstreamtooilhadalittleofeffectsontheyieldsofethylenepropyleneandbutadienebuttheeffectofCOTwaslarge.IntheoperationoptimizationoftheindustrialcrackingfurnacesundertheconditionsoftheuniformdistributionsofboththefeedrateandtheratioforeverycoilofthecrackersappropriateCOTisthekeyforheighteningtheyields.industrialcrackingfurnaceethylenepropylenebutadieneoperationoptimizationBCMsoftwareBCMCOTCBLktCBLt/h.COT1Table1PropertiesofnaphthaDistillationtemperature/Density(20)/(gcm-3)0.668IBP26.0Composition(w)/3051.5n-Paraffin39.385066.8i-Paraffin42.247089.0Naphthene12.8590139.0Aromatic5.53EBP172.028.0628.0828.1028.1228.1428.16Yield/Feedrate/(teh-1)2022242628Yield/Yield/Feedrate/(teh-1)14.3814.4014.4214.4414.4614.4814.5014.5214.5414.564.3154.3204.3254.3304.3354.3404.3454.350192123252729Yield/Yield/Feedrate/(teh-1)19212325272942.5442.5642.5842.6042.6242.6446.8946.9046.9146.9246.9346.9446.951Fig.1Effectsoffeedrateontheyieldsofcrackingproducts.Operationconditionscoiloutlettemperature(COT)838massratioofstreamtooil(S/O)0.500.Twoolefinsethyleneandpropylenethreeolefinsethylenepropyleneandbutadiene.EthylenePropyleneButadieneTwoolefinsThreeolefinsBCMt/ht/h...............COT..BCMCOT.........................BCMCOT.2Fig.2EffectsofS/Oontheyieldsofthecrackingproducts.Operationconditionsfeedrate26t/hCOT838.EthylenePropyleneButadieneTwoolefinsThreeolefinsYield/Yield/14.5214.5414.5614.5814.6014.624.284.294.304.314.324.334.34S/O0.400.450.500.550.600.65Yield/Yield/42.6042.6142.6242.6342.6442.6542.6642.6746.93046.93546.94046.94546.95046.95546.96046.96546.970S/O0.400.450.500.550.600.65Yield/28.0428.0528.0628.0728.0828.0928.10S/O0.400.450.500.550.600.653COTFig.3EffectofCOTontheyieldsofthecrackingproducts.Operationconditionsfeedrate26t/hS/O0.500.EthylenePropyleneButadieneTwoolefinsThreeolefins27.027.227.427.627.828.028.228.428.6Yield/COT/ą780800820840860COT/ąYield/Yield/14.214.314.414.514.614.714.84.224.244.264.284.304.324.344.36780800820840860Yield/Yield/41.842.042.242.442.646.046.246.446.646.847.0COT/ą780800820840860..BCMCOTCOT...COT...COT...COT...COT...COTCOTCOTCOTBCMCOTBCMCOTCOTCOTCOTCOT4COTFig.4EffectsoffeedstockrateonCOTwhentheyieldsofthetwoolefinsandthreeolefinsweremaximal.OperationconditionS/O0.500.842844846848850Feedrate/(teh-1)COT/ą42444648474543Twoolefinsyield/202224262830COT/ąThreeolefinsyield/83683884084284446.8946.9046.9146.9246.9346.9446.9546.9646.97Feedrate/(teh-1)202224262830BCMCOT844846848850S/OCOT/ą42.6042.6342.6642.6942.72Twoolefinsyield/0.400.450.500.550.600.65COT/ą83884084284484646.9346.9446.9546.9646.9746.98Threeolefinsyield/S/O0.400.450.500.550.600.655COTFig.5EffectofS/OonCOTwhentheyieldsofthetwoolefinsandthreeolefinsweremaximal.Operationconditionfeedrate26t/h.COTCOTCOT.BCMCOTCOTCOTCOTCOTCOTCOTCOT1.J.1999116.2.J.2005414.3.J.2007102629.4.GARBFJ.2009810031007.5.J.2002215.6.HVGOJ.200621518.7GubitosoFPintoJM.APlanningModelfortheOptimalProductionofaReal-WorldEthylenePlantJ.ChemEngPro-cess200711411150.8.J.199911788793..w/CNA