空氣品質(zhì)與空調(diào)二次污染的對策.pdf

1、申請同濟(jì)大學(xué)工學(xué)碩士學(xué)位論文空氣品質(zhì)與空調(diào)二次污染的對策培養(yǎng)單位：一級學(xué)科：二級學(xué)科：研究生：指導(dǎo)教師：機(jī)械工程學(xué)院土木工程供熱、供燃?xì)?、通風(fēng)與空調(diào)工程許瓊琳沈晉明教授二oo七年三月AbstractABSTRACTLookingintotheprocesshistoryof認(rèn)Q，itisfoundthatthewesterncountrieshadexperiencedparticlecontaminationandhighconcen

2、trationchemicalcontamination，andnowareexperiencinglowconcentrationchemicalcontaminationandmicrobecontaminationOurcountryisnowstillsufferingserioushighconcentrationchemicalcontamination，andtheoutbreakofSARSin2003attachesm

3、uchimportancetomicrobecontamination，problemscausedbysecondlycontaminationofHVACsystemareappearedTherefore，severalwaystocontrolsecondlycontaminationofHVAChasbeenputforward，oneofthewaysisHVACsystemcleaningandbeenprovedeffe

4、ctivelyThisthesistriestofindoutwaytocontrolsecondlycontaminationofHVACsystemandpromoteIAQonthebasisofimprovingthequalityoffreshairandseparatingmicrobefromdirtywetsurfaceThemicrobecontaminationofHVACsystemandairconditione

5、dspaceisusuallycausedbyllighhumidityleverHumiditycontrolinnormalcomfortHVACsystemisalwaysrestrictedbytemperaturecontrol，whichcausestherelativehumidityinroomoutofcontr01Humiditypriorcontrolbasisondecouplingtemperatureandh

6、umidityhandleprocessisacriticalmeasuretosolvetheseproblemsCharacteristicandpracticabilityofhumiditypriorcontrolsystemfilediscussedOutdoorairstatesaredividedintozoneswithanewwayinordertochoosearightoperatingmodeDehumidify

7、processisin舶shairhandleunit，waytosetupcomponentsinfluencestheresultofavoidinggrowthofmicrobeinHVACsystem，thuswaytosetupcomponentsin舭shairhandleunitisdiscussedLargeenergyconsumptioniscausedbydehumidification，heatrecoveryi