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1、大連理工大學(xué)碩士學(xué)位論文側(cè)向進(jìn)汽凝汽器的開(kāi)發(fā)設(shè)計(jì)姓名:張立明申請(qǐng)學(xué)位級(jí)別:碩士專業(yè):動(dòng)力工程指導(dǎo)教師:王巍;毛漢忠20081201大連理工大學(xué)專業(yè)學(xué)位碩士學(xué)位論文摘要凝汽器是用來(lái)處理汽輪機(jī)的排汽、使之凝結(jié)成水后供鍋爐循環(huán)使用的設(shè)備,是凝汽式汽輪機(jī)裝置必不可少的設(shè)備,其工作性能直接影響到整個(gè)系統(tǒng)的熱經(jīng)濟(jì)性和運(yùn)行可靠性。同時(shí)凝汽器是汽輪機(jī)房?jī)?nèi)晟大的設(shè)備,在廠房的總體規(guī)劃工作中舉足輕重,且費(fèi)用昂貴。側(cè)向進(jìn)汽式凝汽器與常規(guī)頂部進(jìn)汽式凝汽器相比,對(duì)設(shè)計(jì)、制造和安裝具有更高的要求。但是,由于其便于整個(gè)系統(tǒng)的設(shè)備和管道的布置,并且大大降低了廠房樓層高度和設(shè)計(jì)要求,因此在PTA化工裝置和聯(lián)合循
2、環(huán)發(fā)電裝置中,可以有效降低工程費(fèi)用,同時(shí)其低汽阻、低過(guò)冷度和良好的二次回?zé)嵝?yīng),使得其比常規(guī)頂部進(jìn)汽式凝汽器有更好的熱經(jīng)濟(jì)效益,因此近幾年來(lái),要求采用側(cè)向進(jìn)汽式凝汽器和軸向汽輪機(jī)相匹配的用戶不斷增多,其應(yīng)用前景十分廣闊。本課題根據(jù)PTA化工裝置和聯(lián)合循環(huán)發(fā)電裝鼉的需要,結(jié)合杭州汽輪輔機(jī)有限公司承接印度PTA項(xiàng)目的設(shè)計(jì)實(shí)例,對(duì)側(cè)向進(jìn)汽凝汽器的熱力計(jì)算、布管方式、結(jié)構(gòu)設(shè)計(jì)、縱向和橫向熱膨脹位移補(bǔ)償問(wèn)題等進(jìn)行分析,以及對(duì)側(cè)向進(jìn)汽凝汽器的應(yīng)用進(jìn)行探討。關(guān)鍵詞:凝汽器;側(cè)向進(jìn)汽;開(kāi)發(fā)設(shè)計(jì)側(cè)向進(jìn)汽凝汽器的開(kāi)發(fā)設(shè)計(jì)DesignandDevelopmentofAxialCondenserAbs
3、tractCondenseriSaessentialequipmentforthecondensingturbine.Itisusedtocollecttheexhauststeamandcoolitintowater,thecondensatecouldbeusedbytheboileragain.Theperformanceofthecondenserwilleffectthehoteconomicandrunningstabilityoftheoverallsystem,meanwhile,itisthebiggestequipmnetintheturbinehousea
4、ndisimportantandcostlyintheoverallworkshopprogramme.Comparingwiththecomnqoncondenserwhichadmitssteamonthetop,AxialCondenserhavehigherrequirementintheviewofdesign,fabricationandintallation.butitcouldmakethearrangementofpipeandequipmentsampleandreducethedesignheightanddesignrequirementofthewor
5、kshopfloor,itcouldreducetheprojectcostinthePTAchemicalindustrydeviceandcombinedcycleelectricitygenerationdevice,meanwhilethelowvaporlockandlowcondenserdepressionandthegoodtwo—reheateffectmakeitbnngbetterhoteconomicbenefit,SO,inrecentyears,theusersofaskingsidedirectionadmissionsteamcondensert
6、omatchwiththeaxialturbinehavebecomemoreandmore,andtheprospectoftheAxialCondenseralsobecomeverybroad.CombiningthesidedirectionadmissionsteamcondenserdesigninstanceinthePTAprojectwhichHTACsignedwithindiauser,moreover,basingonthedemandsofthePTAchemicalindustrydeviceandthecombinedcycleelectricit
7、ygenerationdevice,thispapermakesomeanalysisaboutheatingpowercalculationandtubearrangementwayandstructuredesignanddisplacementcompensationofthelongtitudinalandhorizontalthermalexpansion.italSOdiscussestheapplicationoftheAxialCondenser.KeyWords:Conde