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时间:2019-05-24
《高含硫天然气脱硫操作条件对能耗影响的模拟研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、石油学报(石油加工)2O12年12月ACTAPETROLEISINICA(PETROLEUMPROCESSINGSECTION)第28卷第6期文章编号:1001—8719(2012)06—0978—08高含硫天然气脱硫操作条件对能耗影响的模拟研究邱奎。,安鹏飞,杨馥宁,诸林,KIMSungyoung。,BAGAJEWICZMiguel。(1.西南石油大学化学化工学院,四川成都610500;2.重庆科技学院化学化工学院,重庆4013313.俄克拉何马大学化学、生物和材料工程学院,美国诺曼73019)摘要:采用流程模拟技术分析了高含硫天然气脱硫工
2、艺操作条件,如原料气处理量、吸收塔温度、吸收塔压力、吸收塔板数、再生塔温度对脱硫能耗的影响,并通过灵敏度分析比较了各操作条件对脱硫能耗的影响力大小。结果表明,高含硫天然气中酸性组分浓度高,为满足净化要求需增大溶液循环量,因此带动公用工程消耗增加,脱硫能耗比常规含硫天然气脱硫情况显著增加。在操作中,提高吸收塔温度、再生塔温度和原料气处理量均会引起脱硫能耗升高,而降低吸收塔压力、减少吸收塔板数可降低脱硫能耗。由于醇胺溶液再生耗能占脱硫总能耗绝大部分,故制定节能措施应重点考虑再生塔温度控制,蒸汽、凝结水以及净化系统余压、余热资源的合理利用。关键词:
3、天然气脱硫;流程模拟;能耗分析;操作条件;醇胺溶液中图分类号:TE646文献标识码:Adoi:10.3969/j.issn.1001—8719.2012.06.014SimulationStudyontheImpactofOperatingConditionsonEnergyConsumptioninHigh—SulfurNaturalGasDesulfurizationQIUKui,ANPengfei,YANGFuning,ZHULin,KIMSungyoung。。BAGAJEWICZMiguel。(1.SchoolofChemistrya
4、ndChemicalEngineering,South~vestPetroleumUniversity,Chengdu610500,China;2.SchoolofChemistryandChemicalEngineering,ChongqingUniversityofScienceandTechnology,Chongqing401331,Chin。;3.SchoolofChemical,BiologicalandMaterialsEngineering,TheUniversityofOklahoma,Norman73019,USA)Abs
5、tract:TheoperatingconditionimpactonenergyconsumptioninMDEAdesulfurizationprocessforhigh—sulfurnaturalgaswasanalyzedbyusingprocesssimulation.Theseoperatingconditionsdiscussedincludedfeedgasprocessingcapacity,absorbertemperature,absorberpressure,numberofabsorbertrays,stripper
6、temperature,theimpactdegreeofwhichwasinvestigatedbymeansofsensitivityanalysismethod.Theresultssuggestedthatbecauseofthehighconcentrationofacidiccomponentsinhighsulfurgas,thesolutioncirculationratemustbeincreasedinordertomeetthepurityspecifications,whichcausedtheincreaseofut
7、ilityconsumption.Thereby,theenergyconsumptioninhigh—sulfurnaturalgasdesulfurizationincreasedsignificantlythanthatinregularsourgasdesulfurization.Increasingtheabsorbertemperature,strippertemperatureandfeedgasprocessingcapacitywillincreasetheenergyconsumptionindesulfurization
8、process.Onthecontrary,reducingtheabsorberpressureorthenumberofabsorbertrayswi11dec
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