某燃煤采暖锅炉烟气除尘脱硫系统设计

学号密级2009022103哈尔滨大学本科生毕业论文某燃煤采暖锅炉烟气除尘脱硫系统设计院（系）名称：航天与建筑工程学院专业名称：建筑环境与设备工程学生姓名：指导教师：哈尔滨大学2013年6月某燃煤采暖锅炉烟气除尘脱硫系统设计哈尔滨大学学号密级2009022103某燃煤采暖锅炉烟气除尘脱硫系统设计TheFlueGasDustRemovalandDesulphurizationSystemDesignofaCoal-firedHeatingBoiler学生姓名：所在学院：航天与建筑工程学院所在专业：建筑环境与设备工程指导教师：职称：所在单位：哈尔滨大学论文提交日期：2013年6月论文答辩日期：2013年6月学位授予单位：哈尔滨大学某燃煤采暖锅炉烟气除尘脱硫系统设计I摘要随着工业的日益发展，环境污染越来越严重，人们赖以生存的生产和生活环境遭到严重破坏。而破坏环境的首恶之一正是由SO2的大量无限制排放所造成的酸雨。SO2的排放源主要是工业、电力以及人们的日常生活。而依据资料，我国存在大量的采暖锅炉未安装脱硫系统对锅炉烟气进行脱硫处理的基本国情。本文采用系统相对简单的简易湿法对某燃煤采暖锅炉烟气脱硫系统进行了设计。本文首先对烟气除尘方式及设备作了确定；然后对各种脱硫方式及其研究现状进行了简单的介绍；而后重点介绍了简易石灰石/石膏湿法脱硫系统，并对其作了物料平衡计算和热平衡计算，确定了脱硫烟气量、再热烟气量及吸收塔出口温度等重要参数；最后对简易石灰石/石膏湿法脱硫系统进行了简单的设备选型计算及选型，并对系统进行了总体布置设计。关键词烟气脱硫系统设计；湿法烟气脱硫；物料平衡计算；热平衡计算哈尔滨大学本科生毕业论文IIABSTRACTWiththedevelopmentofindustry,environmentalpollutionisgettingworse,theproductionandlivingenvironmentthatpeopledependonhasbeenseriouslydamaged.AndoneofthecriminalsdamagingtotheenvironmentisacidrainthatcausedbyunlimitedmassemissionsofSO2.emissionssourceofSO2ismainlyindustrial,powerandpeople'sdailylives.ButAccordingtoinformationavailable,thereisaBasicnationalconditionthatalargenumberofboilerswerenotinstalledfluegasdesulphurizationsystemonboilerdesulfurizationprocess.Thisarticleisadesignonsimplelimestone-gypsumwetfluegasdesulfurizationsystemofacoal-firedheatingboiler.Thisarticlefirstdeterminesthewayofgettingridofthefluegasdustandthedevices;thentherewereintroductionsonvariousdesulfurizationwayandresearchstatus;thenthefocusintroductionsonsimplelimestone-gypsumwetmethoddesulfurizationsystem,anditscalculationofmaterialbalanceandheatbalance,determinesdesulfurization’sfluegasvolume,fluegasvolumeofreheating,theexporttemperatureofabsorptiontower,andaseriesofimportantparameters,etc;lastforsimpleofdeviceselectioncalculationandtheselectiononsimplelimestone-gypsumwetmethoddesulfurizationsystem,anddesignofoveralllayoutonsystem.Keywordsdesignoffluegasdesulfurizationsystem;wetfluegasdesulfurization;materialbalancecalculation;heatbalancecalculation某燃煤采暖锅炉烟气除尘脱硫系统设计III目录摘要.........................................................................................................................................IABSTRACT............................................................................................................................II第1章绪论............................................................................................................................11.1课题背景.........................................................................................................................11.2煤中硫的分布及其脱除方法.........................................................................................11.2.1煤中硫的分布..........................................................................................................11.2.2煤中硫的脱除方法..................................................................................................21.3国内外现状.....................................................................................................................21.4几种烟气脱硫工艺简介.................................................................................................31.4.1湿法烟气脱硫技术..................................................................................................31.4.2其它烟气脱硫技术..................................................................................................31.5研究目的及意义.............................................................................................................41.6本章小结.........................................................................................................................5第2章烟气除尘....................................................................................................................62.1概述.................................................................................................................................62.2烟气除尘技术.................................................................................................................62.3除尘器选型.....................................................................................................................82.3.1烟气的含尘浓度和SO2浓度计算..........................................................................82.3.2除尘器选型...............................................................................................................92.4本章小结.......................................................................................................................11第3章简易石灰石/石膏湿法烟气脱硫设计计算.............................................................123.1概述...............................................................................................................................123.1.1石灰石/石膏湿法烟气脱硫工艺...........................................................................123.1.2简易石灰石/石膏湿法烟气脱硫工艺简介...........................................................123.1.3简易石灰石/石膏湿法烟气脱硫工艺系统介绍...................................................123.2烟气侧物料平衡计算...........................................................................................