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1、摘要本课题以休闲中心为设计对象,设计一套半集中式空调系统满足建筑内人员的舒适性要求。设计方案为风机盘管加新风系统,空调系统以风冷热泵为冷热源,它具有安装方便、运行稳定等优点,有着广阔的应用前景。设计案例为杭州乐天娱乐中心空调系统设计,本次设计本着满足国家及行业有关规范、规定的要求,创建健康舒适的室内空气品质及环境,在实际建筑结构和建筑内各房间的使用情况的基础上,根据有关设计标准、规范手册及设备产品说明书等,设计一个满足技术指标要求的空调系统。设计方案为风机盘管加新风系统,以风冷冷(热)水机组为冷热源,运用冷负荷系数法计算冷负荷,假定流速法设计计算风管,采用闭式两管制
2、同程式水管系统。设计内容包括:1)空调冷热负荷的计算及湿负荷的计算;2)空调系统冷量计算;3)空调方案的比较与选择4)主要设备的选型计算;5)风管的设计与水力计算;6)空调水系统的设计与水力计算;7)图纸包括空调风管平面图、空调水系统平面图、空调水系统轴测图。本设计结果要满足以下技术指标:夏季室内温湿度tN=25~28℃,φ≤55%;冬季室内温湿度tN=18~22℃,φ≥40%;室内新风量为30~50m³/h•人。关键词:空调系统,负荷计算,水力计算DesignofairconditioningsystemsforLotteHangzhourecreationcen
3、terABSTRACTSubjecttothehotelasthedesignobject,designasetofairconditioningsystemtomeetthebuildingpersonnelcomfortrequirements.Designoffancoilplusfreshairsystem,airconditioningsystemwithaircooledheatpumpastheheatandcoldsources,ithastheadvantagesofconvenientinstallation,stableoperationand
4、otheradvantages,hasbroadapplicationprospects.DesigncaseforLotteHangzhourecreationcenterairconditioningsystemdesign,thedesignsatisfythespiritofnationalandindustrystandards,requirements,createahealthyandcomfortableindoorairqualityandtheenvironment,intheactualbuildingstructureandconstruct
5、ionwithintheroomusageonthebasis,accordingtorelevantdesignstandards,specificationsandequipmentproductssuchasbrochures,thedesignofameetthetechnicalrequirementsforairconditioningsystem.Designcontentsinclude:1)thecalculationofcold-heatloadandwetload;2)thecomputationofcoldquantity;3)thecomp
6、arisonandselectionofthedesignscheme;4)thecalculationoftheselectionofthemainequipments;5)thedesignofductandhydrauliccalculation;6)thedesignofwatersystemandhydrauliccalculation;7)drawingsincludthewindpipeplan,watersystemplan,watersystemshaftmapping.Thisdesignmeetthefollowingtechnicalinde
7、xes:thesummerindoortemperatureandhumidityistN=25to28℃,φislessthan55%;thewinterindoortemperatureandhumidityistN=18to22℃,φismorethan40%;theperperson’sindoorfreshairvolumeis30to50m³/h.Keywords:airconditioning,fancoil,freshairsystem