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1、摘要本设计对象为石家庄市卓达房地产高层住宅区的低温辐射地板采暖分户计量供热系统和换热站设计，利用软件绘制符合国家相应规范的供暖施工图纸并制作工程说明。通过冬季热负荷计算得到全部供热量为458.9kW，考虑一定富余量，。从而得到换热量、水流量。对热用户进行水力计算，采用限定流速法和局部阻力当量长度法得到地暖盘管、进户管、分集水器和各个立管管段的公称直径及系统压力降。在设计地暖盘管时保证户间不平衡率在一定范围内，超出部分使用阀门调节。换热站内设备通过热平衡法计算得到换热量，并按照实际尺寸绘制换热站图纸。热源为压力0.6MPa,温度165℃的市政蒸汽，通过换热站内汽水换热将所需热能转入低温热水送入二
2、次管网供给热用户，对于过于复杂的设计计算如分集水器直径等采用工程经验对所需参数选定，在设计的同时考虑事故富余量、安全性及资源节能减排。在设计过程中参阅大量资料规范，使设计内容符合国家规范及经济效益。关键词：地板辐射采暖、换热站、供热AbstractThisdesigntargetedatZhuoDarealestate'slowtemperatureradiantfloorheatinghouseholdmeteringheatingsystemandheattransferstationofthehigh-riseresidentialinShijiazhuang.Usingsoftware
3、stodrawtheconstructiongdrawingsoftheheatingsystemwithnationalnorms,andmakeanengineeringillustrate.Byheatloadcalculationstogetthenecessaryheatloadis458.9kW,consideringacertainamountofsurplus.Icangettheheattransfer,waterflowandthesteamcapacity.Andmakehydrauliccalculationstouserstogetallnominaldiameter
4、sandsystempressuredropsoffloorheatingpipes,householdpipes,manifoldsandverticaltubesegmentsbyLimitedflowlawandLocalresistanceequivalentlengthlaw.Inthedesignoffloorheatingpipes,Ihavetoensureallusersgetimbalancebetweenrateswithinacertainrange,usethevalveregulationtocontrolsystems.Idesignallequipmentsin
5、heattransferstationbycalculation,thenmakethedrawingsofthestationinaccordancewiththeactualsize.Heatsourceisthemunicipalsteamof0.6MPa,165℃.Throughtheheatexchangerstation,steam'sthermalenergyexchangesintotherequiredlowtemperaturehotwater,thenfedintosecondaryheatsupplypipesnetandheatingusers.Fortheoverl
6、ycomplexdesigncalculations,suchasthediametersofsub-catchmentsforexample,Iusingengineeringexperiencetoselecttherequiredparameters,consideringtheaccidentsurpluscapacity,safetyandenergysavingresources..Duringthedesign,Ireferalargeamountsofdataspecificationstomakethisdesigninlinewithnationalnormsandecon
7、omicbenefits.Keywords:radiantfloorheating,heattransferstations,heating目录第1章绪论11.1地板辐射供暖简介11.1.1地暖简介11.1.2分户热计量简介11.2地板采暖的优缺点11.2.1地板采暖的优点11.2.2地板采暖的不足21.3选题缘由及本课题概述21.4设计采用的方法、工具、手段3第2章工程概况4第3章热负荷计算53
