300MW机组锅炉吹灰优化的经济性研究

44120131BOILERTECHNOLOGYV0144No1Jan2013300MW(071003)300MWTK2273A16724763(2013)010015040()[1]300MW1300MW300MW32005Mw10200250Mw232MW75120120315(1987)441MW(gkWh-1)(th-1)(kJkg_1)(th_1)(kJkg-1)(kJkg_1)(kJk91)(kJkg_1)2212](1)Hh+^rr0(1)hkJkg1kgkJkghkJkgrrrkJkg0rQcnhslps)Qzr--1--Qz](2)^kJkgqqz12kJkgQAQ1kgkJkgAHhrr0(3)(4)(2)1313Hj[r+rz+r3](5)Qa(r1+r2+r3)(6)(7)Abbbb8ri(8)223]63_(9)rp7]mrkzSb()(10)irml17b2z9799993312124h1789OO95K388n36533121300Mw22322225MWn]225MW33MW225(gkWh-1)0050(gkWhl)0068(gkWh-1)0018(gkWh_1)0758(gkWh-1)()000092(gkWh_1)07409(1)12803(_1)4224(97_1)7682(1)7724360053202284100330220758gkWh7005gkWh770068gkWh3o018gkWh0758gkWh07409gkWh12803t3207724344600334300MW(1)(2)10(3)10[1]125Mw420th[R]1993[2][M]1994[3][M]1999[4][D]2004EconomicResearchof300MWBoilerOptimalSootblowingYANGXiaohaiLIYonghuaHUANGGangying(SchoolofEnergyPowerandMechanicalEngineeringNorthChinaElectricPowerUniversityBaoding071003China)AbstractSootblowingisoneoftheimportantmeasurestoimproveoperationsafetyandeconomyareasonableblowingwillraisetheefficiencyofunitForadomesticsubcritical300MWunittheeconomicsbetweenoptimalblowingandnormalblowingareinvestigatedbasedontheenthalpydropmethodTheresultindicatedthatoptimalblowingnotonlycanincreasetheefficiencybutalsoreducethetemperatureofsuperheatedsteamandreheatedsteamwithaimprovingefficiencyofboileroperationKeywordsopticalblowingtheenthalpydropmethodboilerefficiencyeconomicanalysis()-T4