搜索
成都市某科研办公楼空调系统设计摘要本工程为成都市某科研办公楼空调系统设计，总建筑面积为9745m2。地上共五层，各层层高：一层为5m；二至五层为4m，总高度为21m。其中有展览室、办公室、更衣室等，总空调面积7210.19m2。根据该工程所处的地理位置，采用冷负荷系数法详细计算逐时冷负荷，并结合工程实际情况，从高效节能，环境保护等方面加以考虑合理选择冷热源。根据房间不同功能合理采用风机盘管加独立新风系统或全空气系统，风机盘管的新风处理到室内空气焓点，送入风机盘管风机出口，与经风机盘管处理后的室内回风混合后再送入室内，以达到很好的效果。对于空调的水系统和风系统全部采用假定流速法计算，采用鸿业水力计算软件进行计算。空调冷冻水系统的水管设计与采暖管路基本相同，管路要设立坡度以排除系统中空气，水系统应设定压装置，对于湿工况运行的风机盘管，设凝水排放管路。关键词：风机盘管加独立新风系统；全空气系统；假定流速法THEAIR-CONDITIONINGSYSTEMDESIGNOFARESEARCHBUILDINGINCHENGDUAbstractThisprojectisaboutthedesignoftheair-conditioningsystemofaresearchbuildinginchengducity,thisbuildingtotalfloorisspace9745m2,thefirstfloorheightis5m,fromtwofloortofivefloortheheightis4m,andthetotalheightis21m.thisbuildingiscomposedbyExhibitionRoom、office、changingroomandsoon.Thetotalairconditioningareais7210.19m2.Accordingtothegeographicalpositionproject,thecoldloadcoefficientmethodisadoptedtocalculatetimingcoldload.Thewaterchillingunitforcoldsourceischosenbyconsideringengineeringpracticalsituation,energyconservation,environmentalprotection.Accordingtotheroomfunction,thefreshairaddingfan-coilsystemorallairsystemisused.Inordertoformgoodperformance,theoutdoorairishandledtoenthalpypointofindoorair,andentersthefanoutletoffan-coil,andismixedupwithreturnairwhichwashandledbyfan-coil,andissentintotheroomfinally.Consumedvelocitymethodisemployedinthecalculationofhydraulicandairsystem.Honyesoftwareisadopted.Thechillwaterpipedesignoftheairconditioningissimilarwiththedesignoftheheatingwatersystem.Gradientshouldbesetuptoexcludeairfromsystem,andsetpressuredeviceforthehydraulicsystemshouldbeinstalled.Forthehumidbehavioroffan-coil,coagulatewaterdischargepipelineshouldalsobeinstalled.Keywords：Freshairaddingfan-coilsystem;Allairsystem;Assumingvelocitymethod目录摘要..................................................................................................................................................IAbstract..........................................................................................................................................II1工程概况......................................................................................................................................12设计依据......................................................................................................................................22.1设计任务书...............................................................................................................................22.2设计规范及标准.......................................................................................................................22.3设计计算参数...........................................................................................................................22.3.1室外气象参数........................................................................................................................22.3.2室内设计参数........................................................................................................................22.4相关参数的选取.......................................................................................................................33负荷计算......................................................................................................................................43.1冷负荷理论依据.......................................................................................................................43.1.1房间冷负荷的构成：............................................................................................................43.1.2房间湿负荷的构成：............................................................................................................43.2主要计算公式...........................................................................................................................43.2.1围护结构瞬变传热形成冷负荷的计算方法........................................................................43.2.2透过玻璃窗的日射得热引起的冷负荷................................................................................53.2.3设备散热形成的冷负荷........................................................................................................53.2.4照明散热形成的冷负荷........................................................................................................63.2.5人体散热形成的冷负荷........................................................................................................73.2.6新风冷负荷............................................................................................................................73.2.7湿负荷....................................................................................................................................84空调系统方案的确定..................................................................................................................94.1空调系统的选取.......................................................................................................................94.1.1空调系统的划分原则............................................................................................................94.1.2方案的比较..............................