大功率串聯(lián)壓縮機(jī)冷卻系統(tǒng)設(shè)計(jì).pdf

1、東南大學(xué)碩士學(xué)位論文大功率串聯(lián)壓縮機(jī)冷卻系統(tǒng)設(shè)計(jì)姓名：黃集駿申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：動(dòng)力工程指導(dǎo)教師：張寶懷洪華2001.9.1ThedesignofthecoolingsystemforlargecapacitycascadecompressorsAbstracThispaperpresentsthedesignofahermeticwatercoolingsystemforlargecapacitycascadecompressor

2、s，andthemethodtokeepthecoolingsystemfreefromecorrosionfilthandgasblockAheat—exchangerdesignprogramandarelativetestfacilitywereestablishedandrelatedtestswerecarriedoutAnewconceptofthecapacitycascadecompressorshermeticcool

3、ingsystemispresentedinthispaperAsoneofthemajorpartsofthelargecapacitycascadecompressors，anapplicablecoolingsystemhasbeendesignedoutBycontrollingthewaterqualitYtemperature，flowrateandthezetapotential，aidedwiththeautomatic

4、gasdischargefacilitythecorrosionandfilthcouldbereducedThispaperalsopresentsadesignconceptofmini—diametercompactheatexchangerwithparatactictubesW1lichissuitabletobeusedinhighOrmiddlepressurerangeItisworthtopayspecialatten

5、tionontheprocessoftubcconnectionexpandingfollowedbyaweldingThecyclingCqingoilisalsousedtomakethestructuremo豫compactandreasonableTheoptimullcompressiveratioequationandrangetheusefulmethodtoenhancethemid—stagecoolingeffect

6、ive，theratiofurmidstageheatexchangerandthereasonablecoolingwaterflowrateareintroducedByalltheabovemeans，thehugeness，overweighi，andhighflowresistanceoftheheatexchangercouldbeavoided，andthematerialscostcouldbereducedToveri

7、fythefeasibilityofthecoolingsystemandheatexchangeraseriousofcomparisontestshadbeencarriedoutEspeciallyforthecyclingoilheatexchangerTherelationshipbetweenoilflowrateandheattransferperformance，andtherelationshipbetweenRean