-2-2某大学毕业设计说明书目录摘要.............................................................................................................31前言..........................................................................................................42工程概况.................................................................................................53设计依据.................................................................................................64设计条件.................................................................................................65建筑结构的传热系数.............................................................................76最小热阻的校核.....................................................................................87采暖设计热负荷...................................................................................117.1围护结构传热耗热量的计算.....................................................117.2冷风渗透耗热量的计算............................................................127.3冷风侵入耗热量的计算............................................................167.4地面散热量的计算.....................................................................188供暖设计方案.......................................................................................198.1热源的引入.................................................................................198.2低温热水系统的加热管设计.....................................................208.3分水器、集水器设计.................................................................218.4壁挂炉的安装位置选择.............................................................229散热器的选型.......................................................................................229.1散热器的选型原则....................................................................229.2散热器的选型计算....................................................................2310供暖系统的水力计算.........................................................................25-3-3某大学毕业设计说明书10.1供暖管路的水力计算步骤.......................................................2510.2供暖管路的水力计算内容.......................................................2911地暖系统的调节控制.........................................................................3412附属设备.............................................................................................3512.1室温控制器...............................................................................3512.2电动二通阀...............................................................................3512.3散热器自动恒温阀...................................................................3513地面构造.............................................................................................3614地暖管清洁.........................................................................................3715结论......................................................................................................38总结与体会..............................................................................................38谢辞...........................................................................................................39参考文献...................................................................................................39附表...........................................................................................................41摘要本设计是针对某市龙泉驿某山庄里的一幢三层别墅进行的供暖系统设计。建筑面积222㎡,供暖面积160㎡,其中卫生间为散热器供暖,-4-4某大学毕业设计说明书其余房间为低温热水地面辐射供暖。设计参数:冬季供暖室内温度20℃,但卫生间22℃。总热负荷12KW。设计中的地暖管采用φ20mm爱康聚丁烯管(PB),管间距150mm。室内温度控制器选用柯弗耐品牌,散热器选用意莎普·金泰格的VL516和VL510两种型号的散热器。水系统采用异程式下供下回双管形式。各层分别选用一个规格为170*550*800分∕集水箱,热源选用一台多米康柏特锅炉,供热量为18KW。关键词:供暖系统;低温热水地面辐射;低温散热器AbstractThisprojectisthedesignoftheheatingsystemforablockofvilladomwithtotalareaof222㎡andheatingareaof160㎡inYuLongMountainVilla.Theradiatorheatingisdesignedforlavatoryandthelowtemperaturehotwaterfloorradiantheatingisfortherest.Theindoordesigningparametersis20℃exceptlavatorywith22℃andthetotalheatingloadis12KWinwinter.OuterdiameteroftwentymillimeterofAiKangbrandwiththetubepitchofonehundredandfiftymillimeterisselected.Installtheroom-temperatureset-upcontrollerofokonoffbrandineachroom.TypeofVL510andVL516radiatorofIrsapbrandareselected.Thestyleofwatersystemis:thedifferentmodality,underfeedandunderback,doublepipes.watercollectingtankswithtypeof170*550*800(W/H/L)areinstalledoneachfloor.Takeboilerwiththetypeof266*460*680(W/L/H)ofDomicompactbrandasheatsource.Itsheatingloadis18KW.Keywords:heatingsystem;lowtemperaturehotwaterfloorradiant;lowtemperatureradiator1前言地面辐射采暖(简称地暖)是一种利用建筑物内部地面进行采暖的系统。它以整个地面作为散热面,均匀地向室内辐射热量,相对于其他采暖方式(空调、暖气片、壁炉等)具有热感舒适、热量均衡稳定、节能、免维修等特点,是一种极-5-5某大学毕业设计说明书为理想的供暖方式。广泛应用于别墅、住宅、宾馆大堂、游泳池馆等场所,尤其别墅和住宅使用更为普遍。目前在我国随着塑料高科技工业的飞速发展以及人们对供暖舒适性要求的不断提高,使低温热水地板辐射采暖技术在我国推广使用。并且地暖比空调节能,打个比方:空调是用电制热,地暖是用燃气,1度电产生860大卡热量,1方气产生9200大卡热量,也就是10度电所产生的热量和1方气产生的热量相当,通过准确计算,同样的制热量,地暖系统比空调系统的运行费用节约35%。这就为资源紧缺的中国省下了很大一笔能源财富。本次设计的目的就是为这套别墅设计一种最节能的供暖方式,在气象资料和土建资料确定的情况下,我对建筑的围护结构进行了最小热阻的校合,并对各个房间的热负荷进行了计算,在此基础上对地暖管进行了合理的布置,并对其进行了严格的水力计算和平衡校核。2工程概况这幢三层别墅位于某市龙泉驿,总建筑面积为222㎡,建筑高度10m,一共有三层。本次设计主要完成了别墅的低温热水地面辐射供暖系统和卫浴散热器的设计。-6-6某大学毕业设计说明书3设计依据1、用户提供的平面布置图、经现场测量的图纸标记和客户要求。2、采暖通风与空气调