京江学院JINGJIANGCOLLEGEOFJIANGSUUNIVERSITY本科毕业设计29MW热水锅炉烟风阻力计算Thecalculationofsmokewindresistancein29MWhotwaterboiler学生学号：学生姓名：专业班级：J动力热能1002指导教师姓名：指导教师职称：副教授2014年6月29MW热水锅炉烟风阻力计算摘要热水锅炉在人们的日常生活中是不可缺少的热力设备，将煤，石油等燃料的化学能燃烧释放的热量传给水，加热后的热水直接供给工业生产和民用生活使用。本次毕业设计任务是29MW热水锅炉烟风阻力计算。锅炉烟风阻力计算是在热力计算的基础上，通过对烟气和空气通道的空气动力学计算，求解通道的流动总阻力，从而为选择合适的引、送风机提供基础数据。烟风系统各部分介质流量、温度以及流通截面等相关数据均根据锅炉结构尺寸及额定负荷下热力计算数据确定。烟风阻力计算包括烟气侧阻力的计算，引风机的选择，空气侧阻力的计算及鼓风机的选择。关键词：热水锅炉，引风机，鼓风机，烟风阻力计算Thecalculationofsmokewindresistancein29MWhotwaterboilerAbstractHotwaterboilerisindispensableheatingequipmentinPeople'sDailylives.Thecombustionofcoal,oilandotherfuelisusedtoreleasedtheheattothewater.Thehotwaterheatedsupplytotheuseofindustrialproductionandcivillifedirectly.Thisgraduationdesignofthecalculationofsmokewindresistancein29MWhotwaterboilerisconducted.Thecalculationofsmokewindresistanceinhotwaterboilerisonthebasisofthermodynamiccalculation,throughaerodynamiccalculationoffluegasandairchannels,tosolvetheflowchanneloftotalresistanceandtoprovidebasicdatatochoosetheappropriateguideblower.Eachpartofthemediumflowrate,temperatureandflowareaandotherrelateddataarebasedontheboilerthermodynamiccalculationdataofmeasurementundertheratedloadinthesmokewindsystem.Thecalculationofsmokewindresistanceincludingthecalculationoffluegasresistanceaddtotheselectionoftheinduceddraftfan,thecalculationofairresistanceandtheselectionoftheblower.Keywords：hotwaterboiler,induceddraftfan,blower,thecalculationofsmokewindresistance目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc20077"第1章绪论PAGEREF_Toc200771HYPERLINK\l"_Toc5538"PAGEREF_Toc55381HYPERLINK\l"_Toc8762"PAGEREF_Toc87621HYPERLINK\l"_Toc25787"PAGEREF_Toc257872HYPERLINK\l"_Toc30599"PAGEREF_Toc305992HYPERLINK\l"_Toc13992"PAGEREF_Toc139923HYPERLINK\l"_Toc16234"PAGEREF_Toc162343HYPERLINK\l"_Toc3236"PAGEREF_Toc32365HYPERLINK\l"_Toc168"PAGEREF_Toc1686HYPERLINK\l"_Toc6899"PAGEREF_Toc68999HYPERLINK\l"_Toc3266"PAGEREF_Toc326