以天然气为原料制甲醇装置工艺方案

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.()()111,(1)()CO2,CO2CO2;(2)(),,,;(3)(),,,112(1)4;(2)113(1),,;(2),,,2,211():(1)():A:;B:CO2;3119983©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(2)():D:;E:;(3)():F:;G:212(1)A();(2)B()213(1)A();(2)B()3,,,311:(1)11CH4C2H6C3H8CO2N2H2SV%96.200.450.0781.601.607ppm(2)10t/a;14.00t300(7200):31231211,(),22ABCDEFGV%H271.3968.4968.1870.3370.3370.3370.33CO10.3912.3010.4416.6915.8116.6915.81CO29.3412.9613.3911.8512.4011.8512.40N20.450.410.430.460.470.460.47CH47.615.547.260.300.640.300.64Ar0.000.000.000.060.050.060.05H2O0.230.290.290.300.300.300.30Nm3/h53841441074582123731163302373116330/510/840510/840510/840510/670510/780510/670510/780/---670/1008780/965670/1008780/965R=(H2-CO2)/(CO+CO2)3.062.202.302.052.052.052.05Nm3/h15240114031297010456106441045610644Nm3/h4332887175421221899450245Nm3/h15673142901472412578125431090610889CO2Nm3/h-23732150----Nm3/h---4960496449624965MkJ/h151.77127.49129.1646.0141.8346.0141.83MkJ/h134.6998.68115.4731.7332.61--kW14201062120896398096398020018017014080--4119983©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:(1)FG;DE;BC;A(FG115),,CO2,;CO2,,,,,,,,;(2),A;BC;DF;EG(A),ABC(HP50MoD);DEFG(HK40)CO2,,,;,,,(3)BCCO2;DEFG;A,31212,,33,,,,,31213,A,,43AB/V%H275.24/72.1371.27/65.12CO3.62/1.972.20CO26.29/5.268.21/6.60N21.27/1.366.08/6.82CH413.07/13.948,17/9.17Ar26/28ppm26/28pmmH2O0.04/1.500.07/2.69MeOH0.46/3.840.43/6.62N†/t24712600/MkJ/h45.00447.83MkJ/h59.37727.91kW25502064(4.0MPa)t/t1.124,,,:,,;,,,,,313,,,,,,,,1A:++1B:CO2++1C:CO2++5119983©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:++3A:++3B:++4AB0.770.25-017521400178(%)9812998184(t/h)1500800(t/h)2915:/4,(),567(),3A3B;2A2B;1A1B1C,,3A3B,2A2B5()1A1B1C2A2B3A3B1:Nm3Nm3Nm3112010893110218152061051926125899747152896760136779747327787601829815%Nm3-170154----39916%---3543543543541JT21kg0.0440.0400.0420.0350.0350.0300.03032ZnOT305kg0.1300.1200.1240.1060.1060.1000.10013Z108kg0.0600.0540.0480.0420.0240.0460.02334Z206kg---0.040.060.040.0635C302kg0.1400.1400.1400.1400.1400.1400.1402100%kg0.0200.0200.0200.0200.0200.0200.0201t0.710.710.710.710.710.710.712t2142142142142142142143t6.575.435.574.574.572.142.144kWh35.764.360.734.332.910.710.75Nm38.6008.6008.6008.6008.6008.6008.6006Nm314.00014.00014.00014.00014.00014.00014.0007(3.7MPa410)t-----0.9000.900:14.00t/h,7200h6119983©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.()/,/t,GJ/t1A1B1C2A2B3A3B1Nm334.881089/37.984815/28.427926/32.299747/26.055760/26.509747/26.055760/26.5092Nm334.8831/1.081206/7.185125/4.360152/5.302136/4.74332/1.11618/0.6283Nm36.28--170/1.068154/0.967--------4Nm311.72------354/4.149354/4.149354/4.149354/4.1495t14.236.57/0.0935.43/0.0775.57/0.0794.57/0.0654.57/0.0652.14/0.0302.14/0.0306t2.510.71/0.0020.71/0.0020.71/0.0020.71/0.0020.71/0.0020.71/0.0020.71/0.0027t7.50214/1.605214/1.605214/1.605214/1.605214/1.605214/1.605214/1.6058t3239.00----------0.90/2.9150.90/2.91510kWh11.8435.70/0.42364.30/0.76160.70/0.71934.30/0.40632.90/0.39010.70/0.12710.70/0.12712Nm31.178.60/0.0108.60/0.0108.60/0.0108.60/0.0108.60/0.0108.60/0.0108.60/0.01013Nm319.6614.00/0.27514.00/0.27514.00/0.27514.00/0.27514.00/0.27514.00/0.27514.00/0.27541.47339.41040.31637.86937.74836.28436.2507:1A1B1C2A2B3A3B6500680067005500500040003500---4000400040004000CO2-500500----72007200720072007200720072002500250025002500250025002500162001700016900192001870017700172001.0001.0501.0401.1851.1501.0901.060()1.0000.9500.9720.9130.9100.8750.874:,5511(1):;;,,,881A1B1CCO2CO2,2A2B,3A3B,(2),20t/a,,7119983©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(3)512:(1),:;;,,991A1B1CCO2CO2,2A2B,3A3B,,-(2),(3),(4),(5)6,:(1)++,,,,,(2)++,,,(3),++,,,,(1997-09-20)(12),,(6),,316(1),,,(2),,,(19980209)8119983©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(LanzhouDesignInstituteofChinaNationalPetrochemicalCorporation,Lanzhou730060)Detailedsimulatedcalculationandanalysishasbeencarriedoutfor7processschemesofsyntheticgaspreparationsec2tion,2processschemesofmethanolsynthesissectionand2processschemesofmethanoldistillationsectionfor10000t/amethanolplantusingnaturalgasasfeedstock.Onthebasisofaforesaidcalculationandanalysis,7basicprocessschemesaredetermined.Thesimulatedprocesscalculationofthewholesystemhasbeenperformed,fromwhichthemaintech2economicfiguresareobtained.Furthermoretheprospectofnationalizedcustomizationofprocesstechnologyandmainequipmentisanalyzedanditisconcludedthatthealternativeofheatingtypetwostagereformingprocess+tubebundleconverterprocess+dualcolumndistillationisthebestselectionfornationalizedcustomization.Keywordsmethanolproductionbynaturalgasprocessflowstimulationp