中央空调毕业设计计算说明书

I摘要本工程建筑属酒店类建筑，建筑总高度49.0m,主体高度42.6m，建筑面积14589㎡，其中包括宴会厅，雅间，客房，会议室，办公室等功能房间。本工程属舒适性空调设计，工程内容包括空调采暖，通风，防排烟。根据房间功能及其位置分布，本工程所采用的空调系统包括集中式空调系统，半集中式空调系统，全分散式空调系统。其中一层宴会厅内区采用全空气系统；宴会厅外区、更衣室、卫生间采用风机盘管系统；其他房间采用风机盘管加新风系统；操作间，备餐间，微机房，消防控制室，音响控制室采用分体式柜机。本工程主要设备冷热设备有，螺杆式冷水机组2台，全空气机组1台，板式换热器2台，均位于地下室机房；新风机组17台，其中四台为回风工况，13台为新风工况，均吊顶安装；柜式空调机组6台；其他为为卧式安装风机盘管机组。本建筑位于天津，总冷负荷为939kW，总热负荷为613kW，冬夏季分别由换热器和冷水机组制热和制冷实现整个建筑的空气调节。此外，根据消防规范本工程在不满足排烟要求的楼梯间和楼梯前室设加压送风，在地下室设排烟系统和补风系统。关键词：舒适性空调，风机盘管，加压送风,排烟IIAbstractThisengineeringconstructionofhotelbuildings,buildingatotalheightof49.0m,42.6m,mainbodyheightbuildingareaof14589㎡,includingthebanquethall,room,guestrooms,meetingrooms,thefunctionsuchasofficeroom.Theprojectoftheairconditioningdesign,engineeringcontentcomfortincludingairconditioningheating,ventilation,smoke.Accordingtoroomfunctionanditsdistribution,theprojectoftheairconditioningsystemincludingthecentralair-conditioningsystem,centralair-conditioningsystem,thehalfdistributedairconditioningsystem.OnelayerinthebanquethallareaUSESallairsystem;Thearea,bathhouse,banquethalltoiletUSESfancoilsystem;Otherroomsadoptfan-coilunitplusfreshairsystem;Thekitchen,pantry,computerroombetween,firecontrolroomsoundcontrolroomadoptfissionstylepackaged.Themainlycoldandheatequipmentcontainscrewwaterchillersmachines,twoallairunit1,2setsplateheatexchanger,whichallarelocatedinthebasementroom,freshairunits17sets，foursetsofwhichforreturnaircondition,13fornewfreshaircondition,allcondoletopinstallation,cabinetairconditioningunit6sets,therforhorizontalinstallationfancoilunitsinthisproject.Thisbuildingislocatedintianjin,alwayscoldloadfor939kW,totalheatloadfor613kW,wintersummerheatexchangerandrespectivelybythechillerheatingandrefrigerationrealizethewholebuildingofairconditioning.Inaddition,accordingtostandardinthisprojectnotfiretomeettherequirementsofthesmokeandthestairsbeforetheroominthebasement,apressureairsupplyaexhaustsystemandfillthewindsystem.Keywordscomfortair-conditioning,fancoil,pressureairsupply,smokeIII目录摘要........................................................................................................................................................IAbstract..................................................................................................................................................II第一章原始资料.............................................................................................................................-1-1.1地理位置............................................................................................................................-1-1.2维护结构............................................................................................................................-1-1.3功能分区：................................................................................................................................-1-1.4层高（ｍ）：..............................................................................................................................-1-第二章天津室外气象资料及室内参数的确定.............................................................................-1-2.1室外参数............................................................................................................................-1-2.2空调室内设计参数如表2-2......................................................................................................-2-第三章空调负荷计算.....................................................................................................................-2-3.1冬季热负荷计算.................................................................................................................-2-3.3空调房间湿负荷计算.........................................................................................................-9-第四章空调方案的制定.................................................................................................................-9-4.1空调系统的划分原则.........................................................................................................-9-4.2建筑特点............................................................................................................................-9-4.3空调系统的分区处理.......................................................................................................-10-4.4空调系统方案比较...........................................................................................................-10-4.5通风方案确定...................................................................................................................-13-第五章空气处理过程的计算.......................................................................................................-13-5.1外区风机盘管加新风系统夏季空气处理过程...............................................................-13-5.2全空气系统的空气处理过程...........................................................................................-17-5.3内区风机盘管加新风系统...............................................................................................-19-5.4风机盘管系统（不加新风）...........................................................................................-2