年产25万吨硫磺制酸焚硫工段工艺设计毕业论文_终

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1、宁夏理工学院毕业设计摘要本设计是年产25万吨硫磺制酸焚硫工段工艺设计。整个设计是由设计正文和工艺流程图构成，以硫磺为原料生产硫酸，大大简化了工艺过程，节省投资费用，且产品质量高。描述了硫酸一些性质以及制酸过程的反应原理,对焚硫、转化、吸收三个工段以及整个工艺流程做了阐述。重点分析了焚硫和吸收工段的各个工艺指标，工艺条件。对焚硫工段的焚硫炉,转化化工段的转化器和换热器这三个设备做了宏观的设备选型，并且对焚硫炉和转化器做了物料的衡算。为了使设计更加合理与完善,在设计中还解决了废水的处理问题。关键词：硫酸；硫磺制酸；焚硫炉；转化器I宁夏理工学

2、院毕业设计AbstractThisdesignsaretheburningsulfursectionprocessofsulphuricacidprojectinoutputof250000tonseveryyear.Thewholedesignsaremadeupofthetextofthedesignsandtheprocessflowdiagrams,whichtakesulfurasrawmaterialtoproducesulfuricacid,greatlysimplifytheprocess,savetheinvestme

3、ntcostandimproveproductquality.Thedesignsdescribesomepropertiesofsulfuricacidandreactionprincipleoftheacidprocess,threesectionofburningsulfur,transformation,absorptionandtheentireprocessareexplainedinthispaper.Importantly,eachprocessindexesoftheburningsulfurandabsorption

4、sectionandtheprocessconditionsareanalysed.Inaddition,threedevicesthatincludethestoveofsulfurinthesectionoftheburningsulfur,theconverterandheatexchangerinthesectionofthetransformationarechoosen.Atlast,thematerialbalancesofsulfurfurnaceandconverterarecaculated.Inordertomak

5、eadesignmorereasonableandperfect,wealsoaddedwastewatertreatmentinthedesign.Keywords:SulfuricAcid;SulfuricAcidbySulfur;Thestoveofsulfur;ConverterII宁夏理工学院毕业设计目录摘要...............................................................................................................

6、...................................IAbstract...........................................................................................................................................II目录....................................................................................

7、...........................................................III1综述.........................................................................................................................................-1-1.1设计概况...........................................................

8、.............................................................-1-1.2硫酸几种不同的生产工艺.........................