氨蒸馏工艺中蒸氨塔的模拟计算王剑舟

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2012435《》:1006-4184201205-0029-05(,210019):2011-10-24:(1983-),,,,。,,;、,、、-6、。,,,0.2mg·m-3[1]。、()15%~30%[2-3],,,。[4-7],,。,,。,,,。AspenPlus[5-9],,。1,,。,,,,20%()。,1。:AspenPlus,。、、,。,,,。8,6,100℃,1,7,99.5%,5%,。:;AspenPlus;;1/(mol/L)NH30.19021984H2O0.80677309H20.00027673N20.00097039Ar0.00024530CH40.0015146529--Vol.43No.5(2012)ZHEJIANGCHEMICALINDUSTRY1,RadfracB1,B2,,B3。(6),(7)。[10-12]:10,150℃,1.46MPa,31%,0.05,0.4。:99.5%,5%。1,,。AspenPlus,,--,。-,,。,NRTL。2,。,。,,;,,。,,、,。,。,,、。,。,,,,[13]。2.1AspenPlus,。,。,。,。。2.22.2.1,,;、,。。,,。,。,。。,,。2.2.2,,。。,。2.2.3,,,。,,30--2012435《》。。,,。,。2.2.4q,q,1,0。q,,,。,。33.1310,,,,,2。,,,,,。,,,。5,。,,。8,,,。,8。23.28,18,,,3。,,,6,,。,,,。,6。,,,,2,xq0.6~0.7。,(6)0.65195129/(mol/L),xq。xq。323.3,R424,R=F(4)/(F(2)-F(4))。B2。8,6,B25()0.10.8,、,4。,,,。,。,。,,。,,,,,,3[14],,。,12345678/(mol/L)0.871180960.989641170.99679920.996866950.996867140.996867240.981565430.88224106/(mol/L)0.058841660.038602330.037379310.037369050.037368960.037368860.039981110.0569433234567891022334455/(mol/L)0.93587490.97143300.99540640.99663650.99686660.99686700.99686710.9968671/(mol/L)0.04778710.04171300.03761710.03740710.03736770.03736770.03736770.037367731--Vol.43No.5(2012)ZHEJIANGCHEMICALINDUSTRY,。,。,1,50.4。4R5.903.171.981.320.900.610.400.230.10/(mol/L)0.99675110.99679540.99683370.99686730.91522830.81157550.72837480.66281460.6104647/(mol/L)0.14066930.10623540.07180150.03736760.02037580.01600210.01437400.01383150.0138195/(KJ/sec)-1673.6-1609.1-1549.5-1494.0-1840.4-2030.3-1460.0-2167.0-2173.4/(KJ/sec)1260.61230.51228.01256.41601.71727.71760.21744.41703.333.43,116℃,188℃,116℃,188℃,116℃188℃。,,5。,,,,,,。,、,R,,,,,。,,。,,,100℃。53.5,,。,。,,。,,。,,。,,,4。,,,。13,7。,7。,7,。44,:,,;,;,,/℃90110116()173/(mol/L)0.95982270.95201270.94844730.7225487/(mol/L)0.01085150.01251890.01328080.061512332--2012435《》;,;,;8,1,6,100℃,0.997,0.037,。:[1],,.[M].:,2001:1-4.[2].[J].,1999,4:44-45.[3],.[J].,1998,26(1):50-51.[4].[J].,2006,(3):12-15.[5]WingrenA,GalbeM,ZacchiG,etal.EnergyconsiderationforaSSF-basedsoftwoodethanolplant[J].BioresourceTechnology,2008,99(7):2121-2131.[6]ShenLH,YangG,XiaoJ.Simulationofhydrogenproductionfrombiomassgasificatiomininterconnectiedfluidizedbeds[J].Biomass&Bioenergy.2008,32(2):120-127.[7],.ASPENPLUS[J].,1999,6(3):17-22.[8].ASPENPLUS[J].,2003,20(4):56-59.[9],.Aspen[J].,2005,34(4):251-252.[10],,,.[J].,1999,3:21-25.[11],.[J].,2005,33(6):29-30.[12],.[J].,2007,28(6):7-9.[13],,,.[M]..:,2001:1-62.[14].()[M].:,1977:399-402.TheSimulationforAmmoniaRectificationColumninAmmoniaRectifyingProcessWANGJian-zhou(JiangsuChinaNuclearIndustryHuaweiEnginearingDesign&ResearchCo.,Ltd.,Nanjing210019,China)Abstract:ThispapersimulatedtheammoniarectificationcolumninammoniarectifyingprocessbyAspenPlussoftwareastheplatform.Throughthesimulationforstagenumbers,feedingstage,refluxratioandfeedheatstate,didaresearchfortheinfluencefeatureofeveryparameter.Concludedthatalittlemorestagenumbersisbetter,feedingstagetookadvantagewhileapproachingthebottom,refluxratiowasfixedonbyproductqualityfirstly,feedtemperaturenearbubblepointhadbetter.Setstagenumber8,feedingstagenumber6,feedtemperature100℃,refluxretio1,sensitivestage7,gottheresultofammoniamolefractioninliquidammoniafromthecolumntop99.5%,andthatofresidualliquidfromthecolumnbottom5%,whichexactlyconformedtodesignspecification.Keywords:ammoniarectificationcolumn;AspenPlus;simulation;sensitivestage33--

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