蒸汽蓄熱器充汽和放汽特性試驗(yàn)研究.pdf

1、哈爾濱工程大學(xué)碩士學(xué)位論文蒸汽蓄熱器充汽和放汽特性試驗(yàn)研究姓名：楊志強(qiáng)申請學(xué)位級別：碩士專業(yè)：熱能工程指導(dǎo)教師：李曉明20120315ABSTRACTSteamregeneratorisakindofwaterstoragemediumheatsteampressurevesselwhichcanrealizethesmoothconnectionofthesteamsystembetweentheboilerandthehotuser

2、sandmdkesthesupplysideandtheusersreachacontinuousandstablebalance，SOaStomaintainboiler，sstableoperation，andimprovetheboilercombustionefficiencyThispaperestablishesasmallsteal：Ilregenerator，thermaltestsystem，respectivelya

3、doptssaturatedsteamandthesuperheatedsteamasfillingthesteamsource，studiesfilling。releaSingsteamcharacteristicsofsteamregenerator1IntheuseofsahlratedsteamaSsteamsource，atfirst，theanalysisofregulatingcharacteristicofbypassv

4、alveisdonebyauthorwhenthesaturatedsteamflowsisolatedt11rou曲bypaSspipelineThen，theauthoranalyzedthesteamregenerator’spure士lllmgDrocesswhenthefillingvalvehaSbeensetdifferenttensionvaluesAtlaSt，theanalysisofSteamregenerator

5、scharacteristicswithinconsecutive2timesfillingandreleaSingprocesseshavebeendonebyauthorTheresultshowsthatwhenusingsaturatedsteamaSsteamsourcer，contr01valvecanadjustSOthatboilerpressurefluctuationissmall，fillingvalvepress

6、urefluctuationiS】essthan001MPa2IntheuseofsuperheatedsteamaSsteamsource，atfirst，theauthoranalysestheworkingcharacteristicsofbypassvalveandfillingvalve；Then，analysisofthesteamregeneratortsfillingandreleasingcharacteristics

7、respectivelyisdonewhentheboiler。scombustionconditionisdifferentandthefillingvalveissetdifferentvalues；Atlast，theautlloranalyzedthefillingandreleasingcharacteristicsofsteamregeneratormanytlmesa11dreDeatedlyinthecaseoftheb

8、oiler’smaximumloadTheresultshowsthatwhenusmgsuDerheatedsteamaSsteamsourceofsteamregenerator，ThecontrolvalveCansteadypressureofboilerdn】maJldsuperheaterinlowfluctuationThefluctuationofpressureofboilerdrumisbelow0009MP釓a11

9、dthenuctuationofpressureofboilerisbelow0023MPaSothissetofsteamregeneratorsystemCanbeappliedinfillingandreleaSingsteam’SoccaSionunderthedifferentwaysofexhaustingsteamThroughtheexperimentandanalysisabouttheaboveprocesses，w