40湿法脱硫毕业设计

***学院毕业设计说明书年处理1亿M3烟气湿法脱硫工艺设计PROCESSINGDESIGNOFTHEWETPROCESSFLUEGASDESULFURIZATIONWHICHCANDISPOSE1BILLIONM3EVERYYEAR系别***系专业***班级**班学号**姓名**指导教师**年处理1亿M3烟气湿法脱硫工艺设计I摘要本设计针对毕业设计任务书中所给出的烟气含量和脱硫要求，结合我国烟气脱硫的技术现状而设计出的一套较完备的烟气脱硫系统。做此设计的目的是为烟气脱硫技术的国产化积极的作准备。本设计的主要内容：介绍了现有的烟气脱硫的工艺并进行分析之后决定了系统的脱硫方法为湿式石灰石-石膏法。介绍了一些主要的脱硫装置和类型，比较选择之后确定了吸收塔的类型、流程。对湿式石灰石-石膏烟气脱硫工艺的各个子系统进行了介绍并大致确定了本工艺中选用各子系统的的处理流程、装置和设备。设计了各设备的物料流量，操作压力，做了设备的选型。对所设计的烟气脱硫工艺进行了技术经济分析。关键词：湿法石灰石－石膏法烟气脱硫物料衡算设备选型技术经济分析年处理1亿M3烟气湿法脱硫工艺设计IIAbstractAccordingtothecompositionoftheFlueGasandthedesurfurizationrequest,combiningwithexistingFGDtechnicalprocessinournation,thisarticledesignedasetofadequateFGDsystems.ThepurposeofthisarticalisthatdosomepreparesforthedesigningprocessoftheFGDofourowncountry.Thisarticle'smainworkare:AnalyzedandcomparedexistingFGDtechnologyofdomesticandoverseas,chosetheLimestone-GypsumWetMethodDesurfurizationTechnologyforFumeGas.Introducedmainequipmentofthedesurfurization,thendecidedthetypeandthediagramflowoftheabsorber.Designedthearrangmentofsystem'spopes,designtheequipment’smaterialflow,operatingpressuremadeselectionofequipment,CarriedouteconomicandtechnicalanalysisoftheFGDsystemdesigned.Keywords:Limestone-GypsumWetMethodFlueGasDesulfurationMaterialAccountingSelectionofequipmentTechnicalandEconomicAnalysis年处理1亿M3烟气湿法脱硫工艺设计III目录1绪论·····································································································11.1概述································································································11.2设计任务和内容················································································11.3生产工艺车间布置设计的原则与在总体中的重要性··································21.3.1生产工艺车间布置设计的原则······················································21.3.2生产工艺车间布置设计在总体中总要性··········································21.4生产车间设计程序·············································································21.5生产方法和工艺流程的设计原则···························································31.6计算机在车间设计的应用····································································42脱硫方案的确定······················································································52.1湿法烟气脱硫的常用工艺····································································52.1.1石灰石-石膏法···········································································52.1.2氨-酸法····················································································62.1.3海水法····················································································72.2脱硫方法的特点················································································92.2.1石灰石-石膏法及特点··································································92.2.3海水法及特点············································································92.3设计的生产方法·················································································92.3.1工艺流程··················································································92.3.2反应原理·················································································102.3.3化学过程·················································································102.3.4脱硫工艺流程··········································································133物料衡算······························································································233.1设计条件························································································233.1.1脱硫装置设计的主要锅炉烟气条件为:·················································233.2物料衡算·························································································243.2.1喷淋塔物料衡算计算简图····························································243.2.2物料平衡计算···········································································243.2.3换热器物料衡算：·····································································293.2.4石膏旋流器物料衡算：·······························································303.2.5废水旋流器物料衡算：·······························································313.2.6皮带过滤机的物料衡算：····························································314主设备计算···························································································33年处理1亿M3烟气湿法脱硫工艺设计IV4.1喷淋塔····························································································334.1.1喷淋塔内径··············································································334.1.2吸收区高度··············································································334.1.3浆池高度·················································································334.1.4除雾器及除雾区高度计算：·························································344.1.5搅拌器：·················································································354.1.6管径计算················································································354.2各个储罐的体积计算·········································································364.2.1事故浆液罐体积V：··································································364.