川中天然气净化处理装置腐蚀因素及对策分析

1211(1.2.),Claus,,,H2S,1991199410,,,[1,2](1);(2),H2S,SO2CO2COS,MDEATEGMEG;(3)H2S,;(4)()11.1H2SH2S(2.02%)CO2(0.3%),H2S92%,0.7%,,,1.1.1,,,2003,0.32mm/a,0.62mm/a;0.26mm/aH2S,(1)[2],1.1.2,,H2S,,(-1101-1101),0.314mm/a,0.297mm/a,0.525mm/a,80104m3/d(-2201/2202),H2S,1.1.3,,983345©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.H2S/H2O(1),H2S/H2O0.65mm/a,,MDEA,,50104m3/d,0.55mm/a,1.5mm;80104m3/dMDEA0.4mm/a11(mm/a)(mm/a)(mm)80104m3/d-11010.12870.3143-11010.08160.147012.0-1101MDEA0.06420.15673.0-1102MDEA0.12260.66005.5-1103MDEA0.05760.32736.0-13020.08850.2574-11040.07780.547312.0-22010.16790.558615.0-22020.11370.314010.050104m3/dV-9500.01540.0682V-100MDEA0.02280.0417\V-200MDEA0.02590.0524\V-500MDEA0.14760.73306.0V-9000.01770.5254V-20000.04320.2714\E-3500.02150.13724.0E-550MDEA0.02360.1539:20031.2MDEAH2S/MDEA/,H2S/MDEA/:H2S[3,4,8];1.2.1MDEAMDEA,1996,,()1999,(R-1104),pH[9](LV-1101,20#),,,,,,,,,1.2.2,,,H2SpHH2S[3,9],,MDEA,,,0.07mm,3400kPa2003,80104m3/d(108mm7mm),4.55.0mm,20047,1.01.2mmMDEA21.3Claus1.3.1Claus,,0932005©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,H2SSO2,,,,(23)[2]1.3.2,,,,H2S,,FeSFeS,,,H2SH2S(2%(),12.5%()),H2S,2004,5mm,0.3mm/a,0.5mm/a,,H2S,1.4[1,6],,1.4.1()Ca2+Mg2+,,2002,40S/cm,,421(0.756mm/a)(0.389mm/a),(0.267mm/a),,,,1.4.2:,,,,,5,,,,,,,,2,,2.12.1.1,,,,QHSE,,;,;,;;,2.1.2[25]:MDEA,,H2S,;,;,;:;;;Claus;2.1.3MDEA,,,,MDEAH2S,,,,,MDEAH2S,193345©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,:MDEA,0.3m,POLO,MPR;;2.22.2.1,(R-1104),:(1)(),,,;(2),,;(3),,;(4),,PPRPVC,2.2.2FeS,H2S,,,H2S,H2S[6],,,(4)2.32.3.1[1,2,6,8],,,,,,,,,2.3.2,,,,,,,,,,,,,,,()2.3.3,,,,,():(-1107)(-35043505),,,,(2932005©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.),,(5)2.42.4.1,,,,,,,,,,,,,,,,2.4.2,,,1998,,,,2001,()()()(6)2.4.3,,,[7],,,,,7,2.4.4,,,MDEA,(SSCC),,,,H2S,,,,,,,1..,19902,.80104m3/d.,2004(2):1231273EffectofHeatStableSaltsonMDEAsolutionCorrosivity(HydrocabonProcessing,1996(3):95101)4MartinCW,.CO2H2S.,1981(2):2115,.MDEA.,2003(6):3683726..:,1984(10)7..,2003(1):48498ControlCorrosionFactorsinAmmoniaandUreaPlant,HydrocarbonPro2cessing,2001,19ConsiderDuplexStainlessSteelsforCorrosiveExchangerService.Hydro2carbonProcessing,2001,10:2005-02-21:2005-06-01:393345©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.