30万t_a芳烃抽提装置技术方案比选及优化_王晓霞

生产技术,2009,17(4):38~40SCIENCE&TECHNOLOGYINCHEMICALINDUSTRY:2009-04-15:(1968-),,,,*200630t/a*王晓霞1,陈伟志2(1.,132021;2.,132021):以充分利用中国工艺技术为原则,通过对几种芳烃抽提装置工艺技术的比较,中国石油吉林石化芳烃抽提装置采用国内研发的Sulfolane工艺(即环丁砜法)技术方案,对芳烃抽提装置进行优化和技术改进,采用新型爪式干式真空泵,使芳烃装置达到正常运行时无污水排放的目标:环丁砜;芳烃抽提;劣质溶剂再生;爪式干式真空泵:TQ241.1:B:1008-0511(2009)04-0038-03(),,,,,,,(PX),(OX)11.1(),,UdexSulfolane()ArosdvanDistapexOctenar,,,,,,,Udex,,,,,Udex2060Shell,ShellUOP,Sulfolane,,,31,,,,,,,,1.25(1)Udex,,(2)Sulfolane,,,99.9%99.0%96.0%C6~C11(3)ArosdvanN-,,,,,5.5,99.95%(4)Distapex,,,,(5)OctenarN-22.1115[1]UdexSulfolaneArosdvanDistapexOctenarUOPDOWUOPKruppKoppersN-N-/MPa/m()m()m()m()w()/%0.7~0.8120~140(10~17)100(1.0~1.4)1008~100.3~0.570~99(2~3.5)100(0.4~0.6)1000.5~0.730~607.7100(0.8~1.2)100450.8830(7~8)1000.32)10090.440~706100/%/%/%99.598.095.099.999.096.099.999.096.099.998.090.0100.099.797.6/t/t/(kWh)/t/kg1.924.0~35.041.0~100.00.550.86.331.00.130.811.030.00.102.259.4326.00.140.65~0.8510.0~13.08.0~10.00.1/(kg-1)0.3~0.51.50.540.71.019521961196219671971/(ta-1)1010187/1411201531202.25,,Sulfolane,99.9%99.0%96.0%,,,,,30t,14.4t7.5t4.2t3.71t0.13t3,,3.1,80%,,,,,,,,73%,3.2,,,,,,394,.30t/a,,,,,3.3,,,,,,,,,,4,,2005,,,[][1].()[M].:,1999.Technicalschemecomparisonandoptimizationof300kt/aaromaticsextractionunitWANGXiao-xia1,CHENWe-izhi2(1.PetroChinaNortheastRefining&ChemicalEngineeringCo.Ltd.,JilinDesignInstitute,Jilin132021,China;2.JilinPetrochemicalCo.Ltd.,PetroChina,Jilin132021,China)Abstract:Ontheprincipleofmakingfulluseofdomesticprocesstechnology,throughcomparingsev-eralprocesstechnologiesofaromaticsextractionunit,selectdomesticdevelopingsulfolanetechniqueofaromaticsextractionunitinJilinPetrochemicalCo.Ltd.Byoptimizationandtechnicalrenovationofar-omaticsextractionunit,adoptnewtypeclaweddryvacuumpump,soastolettheunithavenowastewaterdischargeduringnormaloperation.Keywords:Sulfolane;Aromaticsextraction;Regenerationofinferiorqualitysolvent;Claweddryvacu-umpump4017