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1、Intheoperationofhighpressureheaterproblemsandcountermeasuresabstract:coal-firedpowerplantsinhigh-pressureheaterduetoworkunderhightemperatureandhighpressure,soeasilydamaged,damagecouldnotinvestinoperationwithhighwatertemperaturewilldrop,power,thispaperpoints
2、outtheexistinghighpressureheaterleakagepipesandbilgemouthwaterdistributionautomaticbypasssealnotbeautiful,scantywatersystemautomaticallyintobadandsoonsomecommonproblems,analysesthecausesoftheseproblems,andputsforwardcorrespondingcountermeasures.Keywords:hig
3、hpressureheater;Leak;TouRuLv;countermeasures1.prefaceSteamturbinethermalheatingsystemisadoptedtoimprovetheunitoperationoftheimportantmeansofeconomic.Backtoheatheatingsystemoperationreliabilityandperformancedirectlyaffectedtheheight,completeunitoperationofec
4、onomyTouRuLviseconomicindicatorsheaterinimportantevaluationindexes.Ascoal-firedpowerplantstothelargecapacity,highparameterunitdevelopment,highpressureheateradd)(hereinafterreferredtoashighaswatersupplyunderpressureandtemperatureriseaccordingly;Therewillbein
5、operationbytheunitloadsofmutation,pumpfailure,bypassswitchingcausedthesuddenpressureandtemperature,thesewouldgivehighadddamage.Therefore,inadditiontothehighadddesign,manufactureandinstallationmustensurethatqualityoutside,stillinoperationandmaintenanceetc,an
6、dtakethenecessarymeasurestoensurethelong-termsafetyofoperationofhighadded.2.theexistingproblemsInordertoensurethesafetyofcoal-firedpowerplantsManFa,eachhigheconomicaddallshouldisinoperation.Ifbecauseofthefailure,shouldaccordingtoGaoJiaShimustbediscontinuedw
7、ithspecifiedhighmanufacturingNumbersanddiscontinuationofrelationships,oraccordingtotheloadtodeterminethesteamextractionpressuresteamturbineunitofallowablemaximumoutput.Planthighaddinactualoperationofthemainproblemsexistinginthebelow.2.1watersupplyautobypass
8、devicesealingdesignnotbeautifulImportrepresentvalvescasingbypasssleeveclearanceplaceleakage.Foundinoperation,#1-5hightemperaturewithitsexportsthantheoriginalexport℃temperaturelowaround6.Aftertheoverhau
