8.83-535型汽轮机胀差变化特点及控制

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1、8.83-535型汽轮机胀差变化特点及控制23?????s???????u???S?/??????2004??6?lVol.23suppl.JournalofLiaoningTechnicalUniversityJun.2004?w?]???12004-5-15???6??????????1971-,?B???????3?g?v???????V???u?l?m???e?7???z???????e??1008-0562(2004)???s0227-03N(c)1008.83/535???????K???????e?????????w?????????????+

2、?g?????.???8??????,????????????010300?????????S?????K?????d?????????????????????/?n???????r?????K???????????V???f???????e??????.?v????N(c)1008.83/535???????K???z???????????????????/?n???f?????1???????+?????????9?V???p?????l???????????????????????K?A?S?????????????????????e?????????

3、????????????????w??????????????.???H???????K???z???????w?d????T262???H?o???2ADifferentialexpansionfeaturesaboutN(c)100-8.83/535steamturbineandcontrolHANDe-Jia(ShenhuaGroupZhungeerEnergyCo.LTD.Xuejiawan010300,China)AbstractDifferentialexpansionisoneoftheimportantsupervisionitemswhen

4、steamturbineruns,whichdirectlyindicatesthegapchangeofdynamic-staticpartinthesteamturbine.ByanalyzingtheN(c)1008.83/535steamturbinecylinderandrotorsomedeadpointofthermalexpansion,size,directionandtheeffectfactorswhichcreatethedifferentialexpansion,combinationtherealoperationstateatt

5、hemeantime,Theauthorobtainsthedifferentialexpansionvariablelawandfeatureasthesteamturbinestartsstopsandtheworkconditionchanges,andsomespecificmethodscontrollingdifferentialexpansionareputforward.Keywordssteamturbinecylinderdifferentialexpansioncontrol0?T?????????+?g?????.???8??????

6、???j???????.?(???c?????1???????z?????????????n?????K?????????KN(c)1008.83/535?????K?m???~???.?Z?????????????z?????z?.???V???a?????z???.???????i?????????????z?K???V?:?n?.?(?x???????K???????z???M?????????f???Z?????????.???????f?????????S?????K?????d?????????????????????/?n???????r???

7、??K???????????V???f???????e???????????????e?????????w???????K?????????????.?M???????n??1???z????????????????(????????)?????A?????r?????????4?x???f?????????Z???????????K???????????z???f???????x?f?K???/?????f???????S?~?????????????z?J???????????????????????J?p?p?g???z???????A?????J??

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