河南科技大学毕业设计北京某商贸大厦空调工程设计摘要(注:摘要:扼要概括论文的主要内容和观点,语言精练、明确,语句流畅;英文摘要须与中文摘要内容相对应;中文摘要约300-400个汉字,英文摘要约200-350个实词;关键词要反映毕业设计说明书的主要内容,数量一般为4-6个。)本设计针对北京某商贸大厦的中式餐厅、办公室、会议室、客房、KTV等房间进行中央空调设计,使之符合风速、温度、湿度及人的舒适度需要。本设计采用冷负荷系数法计算空调冷负荷,采用稳态传热法计算空调热负荷,同时采用稳态法计算空调湿负荷,然后根据房间的特点进行空调方案的确定。本建筑的最大冷负荷出现在13:00,其值为817432.02W,建筑热负荷为804932W。建筑冷负荷面积指标为53.1W/㎡,建筑热负荷面积指标为52.28W/㎡。办公室、会议室、客房、KTV等房间采用风机盘管加新风系统,中式餐厅等对空气温湿度要求较高或洁净度要求较高的房间采用全空气一次回风系统。空气调节水系统采用闭式、变水量、两管制、单式泵系统,并进行水系统分区,群楼和主楼进行水系统分区,水系统水平方向采用同程式,水平异程式。本空调系统的冷源采用蒸气压缩式冷水I河南科技大学毕业设计机组,热源采用换热器系统,由市政热网提供蒸汽。选用两台水冷式螺杆冷水机组,型号为LSBLG700。在冷却水系统的设计中,选用两台低温差逆流式冷却塔,型号为LBCM-LN-100。采用膨胀水箱进行定压补水以及容纳水的膨胀容积。关键词风机盘管加新风系统,全空气一次回风系统,冷热源,空调水系统THEAIRCONDITIONINGPROJECTDESIGNOFBEIJINGURBANHOMECOMMERCEBUILDINGABSTRACTThisdesignfortheChineserestaurant,office,conferenceroom,guestroom,KTVetcinBeijingurbanhomecommercebuildingisdesignedaboutcentralairconditioning,inordertomeettothewindspeed,temperature,humidityandcomfortneed.Thisdesignusesthecoldloadcoefficientmethodforcalculationofairconditioncoldload,andusesthesteadyheattransfermethodtocalculatetheheatloadandusebothairsteady-statemethodforcalculationofairconditioningmoistureload,thenaccordingtoroomonthecharacteristicsofairconditioningschememakethedetermination.Thisbuildingcoolingloadofthebiggestmomentswillappearat13:II河南科技大学毕业设计00,itsvalueis817432.02W,buildingthermalloadis804932W.Buildingthecoolingloadofareaindexis53.1W/㎡andBuildingtheheatloadofareaindexis52.28W/㎡.Theoffice,conferenceroom,guestroom,KTVetcroomsadoptfan-coilunitplusfreshairsystem,Chinesestyledining-roomofairtemperatureandhumidityhigherrequirementsorcleanlinessdemandhigherroomsadoptallairtimereturnairsystem.Airconditioningwatersystemadoptsclosed,VWV,twocontrol,characteristicmenutypepumpsystemandwatersystemzoning,eachofgroupofbuildingandbuildingownasetofwatersystemrespectively,andasetofwatersystembetweenlayerandlayerwithprograms,asetofwatersystembetweenthesamelayerwithdifferentprograms.Thecentralairconditioningsystemofcoldandheatsourcessystemadoptscompressedtypewaterchillersaddheatexchangersystem,choosetwowater-cooledscrewwaterchillers,modelforLSBLG700.Incoolingwatersystemdesignofselectingtwolowtemperaturedifference,countflowLBCM-LN-100.Adoptexpansionwatertankfortheconstantpressurewaterandholdwatervolumeofexpansion.KEYWORDSChilledceilingunitplusfreshairsystem,allairtimereturnairsystem,cold/heatsource,WatercirculatingsystemIII河南科技大学毕业设计目录(目录:按照二级标题(章,节)编写,要求与正文章节标题一致,层次清晰、简明扼要;标明页码。)前言..................................................................................................1第1章空调负荷计算…………………………………………………21.1室内外空气参数确定…………………………………………….21.2围护结构最小经济热阻...