锅炉吹灰不同抽汽汽源的经济性分析

44220133BOILERTECHNoLoGYV0144NO2Mar2013(071003)300MwTK22326A16724763(2013)020017-030[1]300MW1[211kg(1a,y)kgaYrzlkgH=(^J^)ArH(1)r=1YrHjJkJkghjhJElkJkgAJrArrJrA1kgrkJkgokJkgqkJkgrJHqJ(2)2218Hh+hrr(3)r=1hkJkg1kgkJkg20120412(1987)1844^kJkgrkJkgrQ[(hpg--hgs)-Qzrl_q2Qzrz](4)ahkJkgqq212kJkgQQ1kgkJkgAHOfrr(5)kJkgr(6)22Qho+ndh(7)hkJkgzr1kg1kgkJkgHar(2h)(8)ahhkJkg6b6b(10)331300Mw()300MW320MW212100751132222300Mw22221000t1320227535365kJkg30316kJkg7535449kJkg3033kJkg32011714t1717511676t1681721000t33331]15332754300MW(1)(2)(3)[1]EM31999[2]EM]1994[33300Mw[J]201127(6)6770BoilerSootblowingEconomicAnalysisoftheDifferentExttactionSteamSourceYANGShenbaoLIYonghuaZHANGXianan(SchoolofEnergyPowerandMechanicalEngineeringNorthChinaElectricPowerUniversityBaoding071003China)AbstractMostoftheboilersootblowingsteamsOOtblowingtheplatensuperheatersteamsourceisgenerallyderivedfromimportedheaderaffectplantoperationsafetyandeconomicissuesbutduetOthehighvaporpressurethehighergradetherehavebeenaseriesofplantoperationsafetyandeconomyquestionsTurbineSecextractioncansolvetheseproblemsInthispaperasubcritical300MWunitforthestudyanalyzedthescreenoverextractionsootblowingandtheturbineSecextractionsootblowingtheeconomicequivalententhalpydropmethodtheresultsshowedthatSecextractionsootblowingtheeconomyisveryobviousKeywordstheenthalpydropmethodsteamsourcetransformationblowingeconomicanalysis