燃煤鍋爐吹灰優(yōu)化的研究及系統(tǒng)開發(fā).pdf

1、東南大學(xué)碩士學(xué)位論文燃煤鍋爐吹灰優(yōu)化的研究及系統(tǒng)開發(fā)姓名：徐嘯虎申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：熱能工程指導(dǎo)教師：周克毅20030301東南大學(xué)所士學(xué)住論文——_———————————_———————————l—————____________—_—●__________————————————————●_’●__—————一ABSTRACTAshandslagareveryimportanttoeconomicandsafeperforman

2、ceofcoal。firedboilerofpowerplantAlthoughthepotentialfinancialrewardsaccruingfromthedevelopmentofeffectivesootblowingforlargepuIverizedcoalfiredboiletsiswellknown，optimizingcontrolofsootblowershasreceivedlittle，ifany，rece

3、ntattentionMostexistingsoot—blowingsystemsruninregularmodelandcouldn’ttakeeffectoncIcaningashdeposits0／3theboilertubesJnordertosaveresourcesandavoidmodifyingtheexistingsootblowingdevices，thisthesistookresearchonthetheori

4、esandmethodsaboutsootblowingoptimizationFromthebasictheoryofcoalashdeposits，thisthesispresentedanewcontrolmodelofsootblowingBlowingInNeedBasedthesmudginesscoefficientandthegastemperatureincrementatentranceofheattransfers

5、urfacetoascertainthetimeforhearthSOOtblowingToconvectionsurfaces，thecleanIincssofsurfacewasreflectedbyratioofheattransfercoefficientinactualandcomparativeconditiOllSAndbasedthattoascertainconvectionsurfacessootblowingByt

6、hisway，sootblowingefficienthasincreasedgreatlyAfterascertainedtheenergylossofseparatesurface，theoptimaleconomictimeforsootblowingwasalsopresentedinthisthesis，whichcouldincreasetbeefficiencyofsootbJowerandjmproveSOOtblowi

7、ngeffectBasedonthedynamiccharacteristicsofbeilerandthebasictheeriesofheattransferringandaimedat2000t／hcoalfiredboilerofYangzhouNO2powerplant，boiletparameterOll—linecalculationmodelandenergylossofboilerashdepositson一1inec

8、alcuIationmodelwerepresentedinthisthesisThemodeIsCOBIdreflecttheinfluenceofashorslagonboiletecenomicalefficiencyAimattherealizationof2000t／hboilersoot—bIowingoptimizationsystemsystemframeworkanddataflowweredesigned，syste

9、mwasprogrammed，simulationcalculationwascarriedandtheoreticaIexamioationofthemodelswasvaIjdatedInthefield，dataacquisitionfromPIsystemandMISsystemwererealized，on—linedebuggingandsootblowingexperimentationweretakenTheresult

10、sindicatedthatthemodelscouldcorrectlyrefiectthealterationofthesmudginesscoefficient，gastemperatureandthelossofboilerashandslagThesystemcouldbeusedinon—linesupervisoryonsootblowing，KeyWords：powerplant，boiler，sootblowing，o