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扬州大学本科生毕业设计扬州大学广陵学院本科生毕业设计毕业设计题目扬州某办公楼地源热泵空调工程设计学生姓名陈洁专业建筑环境与设备工程班级建环81001指导教师杨卫波完成日期2014年6月3日扬州大学本科生毕业设计第1页摘要本工程为扬州某办公楼地源热泵空调工程设计。该建筑共四层，建筑面积2921.88㎡，空调面积2144.17m2，建筑总高度为17.85m。根据计算，总冷负荷为297.7kW，总热负荷为183.1kW，根据甲方要求，拟采用地源热泵系统作为其空调冷热源。地源热泵是一种利用浅层和深层的大地能量，包括土壤、地下水、地表水等天然能源作为冬季热源和夏季冷源，然后再由热泵机组向建筑物供冷供热的系统，是一种利用可再生能源的既可供暖又可制冷的新型中央空调系统。地源热泵通过输入少量的高品位能源（如电能），实现由低温位热能向高温位热能转移。通常地源热泵消耗1kw的能量，用户可以得到4kw以上的热量或冷量。该办公楼选择地源热泵为空调冷热源,空调系统的室内部分采用风机盘管加独立新风系统，末端设备为风机盘管,新风处理到室内等焓线，过渡季节只供新风,本方案地下换热器埋管方式采用垂直U型埋管，解决了传统空调运行效率低、耗电量大、运行费用高、噪音大、维护费用高及会产生霉菌污染、使用寿命短等缺点。真正做到了高效、节能、环保、舒适的要求。关键词:办公楼风机盘管加新风系统换热器地源热泵扬州大学本科生毕业设计第2页AbstractThemainpurposeoftheair-conditioningprojectisfortheofficebuildingofyangzhouGroundsourceheatpump.Thebuildinghas4floors,thebuildingareaisabout2921.88m2andtheair-conditioningareaisabout2144.17m2,itstotalheightisabout17.85m.Accordingtocalculations,thetotalcoolingandheatingloadforthisprojectareabout297.7kWand183.10kWrespectively.Thegroundsourceheatpumpsystemfortheprojectisrequiredtomeettheneedoftheuser.Groundsourceheatpumpisakindofshallowanddeepearthenergy,includingsoil,groundwater,surfacewaterandothernaturalenergysourcesasthewinterheatandsummercoolingsource,andthenbytheheatpumpunittothebuildingcoolingandheatingsystemisakindsofrenewableenergybothheatingbutalsocoolingthenewcentralairconditioningsystem.Ground-sourceheatpumpheattransferbyenteringthesmallnumberofhigh-gradeenergy(egelectricity),toachievebythelowlevelheatenergytothehigh-temperaturebit.Usuallygroundsourceheatpumpsconsume1kwofenergy,theusercangetmorethan4kwheatorcold.airconditioningsystemoftheindoorpartoffancoilplusfreshairsystemindependent,terminalequipmentforfancoil,freshairtoindoorisenthalpi.cThisprogramthegroundheatexchangerpipewayverticalU-shapedpipetosolvethelowoperatingefficiencyofconventionalairconditioning,powerconsumption,highoperatingcosts,noise,maintenancecostsandwillhavemoldcontamination,shortlifeshortcomings.Itcanachieveefficient,energysaving,environmentalprotection,comfortrequirements.Keywords：officebuilding;fan-coilwithfreshairsystem;heatexchanger;groundsourceheatpumpsystem扬州大学本科生毕业设计第3页目录1.绪论.............................................................................................................................................11.1题目...................................................................................................................................11.2设计目的............................................................................................................................11.3工程概况..........................................................................................................................11.4设计任务..........................................................................................................................11.5设计依据..........................................................................................................................11.5.1气象资料................................................................................................................21.5.2土建资料..............................................................................................................21.5.3工艺资料..................................................................................................................32.冷、热、湿负荷计算..............................................................................................................42.1冷负荷的构成................................................................................................................42.2冷负荷计算方法............................................................................................................52.3冷负荷计算....................................................................................................................52.3.1维护结构逐时传热形成的冷负荷.........................................................................52.3.1.1通过外墙和屋面瞬时传热而形成的冷负荷................................................52.3.1.2通过内墙的传热而形成的冷负荷...............................................................62.3.1.3外玻璃窗逐时传热而形成的冷负荷...........................................................62.3.2透过玻璃窗的日射得热引起的冷负荷............................................................72.3.3室内热源（工艺设备、人体、照明等）散热形成的冷负荷.............................82.3.3.1照明散热形成的冷负荷................................................................................82.3.3.2设备散热形成的冷负荷..............................................................................92.3.3.3人体散热形成的冷负荷................................................................................92.4湿负荷计算....................................................................................................................102.4.1湿负荷的计算方法...........................................................................................102.5热负荷计算....................................................................................................................102.5.1围护结构的耗热量............................................................................................112.5.1.1围护结构的基本耗