超临界锅炉垂直水冷壁超温控制技术-研究

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1、万方数据山东大学硕士学位论文CoNTENTSABTRACT(inchinese)．．．．⋯⋯．．⋯⋯⋯⋯⋯．⋯．⋯．．．．⋯．⋯．．．⋯⋯⋯．⋯．⋯⋯IABTRACT⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．II1Introduction1．1Significanceofresearchsuper-boilerverticalwaterwalltemperaturecontroltechnology⋯11．2Theactualitiesofsuper-boilerwaterwall’Sdevelopmennt⋯⋯⋯⋯⋯⋯⋯⋯⋯．．11．

2、2．1Theformandfeatures⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．11．2．2Thedevelopmennt．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．21．3super-boilerverticalwaterwalltemperaturecontroltechnology⋯⋯⋯．．．．．．31．4Centralcontentofthedissertation⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．42Effectsofverticalwaterwalltemp

3、eraturevariationandcontroImeasures2．1Unevendistributionofheat10ad⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯52．1．1ThephenomenonofunevendistributionofheatIoad⋯．⋯⋯⋯⋯⋯．．52．1．2Thereasonofunevendistributionofheatload⋯⋯⋯⋯⋯⋯⋯⋯⋯．52．1．3Thecontrolmeasuresofunevendistributionofheatload⋯⋯⋯⋯⋯．52．2Watercoalratioimba

4、lance⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯62．2．1Thephenomenonofwatercoalimbalance．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．．62．2．2Thereasonofwatercoalimbalance⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．62．2．3Thecontrolmeasuresofwatercoalimbalance⋯⋯⋯⋯⋯⋯⋯⋯⋯．．62．3Orificeringdesignisnotreasonable⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯72．3。1Thephenomenonofor

5、ificeringdesignisnotreasonable⋯⋯⋯⋯⋯一72．3．2Thereasonoforificeringdesignisnotreasonable⋯⋯⋯⋯⋯⋯⋯⋯72．3．3Thecontrolmeasuresoforificeringdesignisnotreasonable⋯⋯⋯⋯72．4Foreignbodiesblocked⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯72．4．1Thephenomenonofforeignbodiesblocked⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．72．4．2Thereasonofforeign

6、bodiesblocked⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯72．4．3Thecontrolmeasuresofforeignbodiesblocked⋯⋯⋯⋯⋯⋯⋯⋯⋯82．5Conclusion⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯83Oneof600MWsuper-boilerverticalwaterwalloverheatproblems’Sanalysisandprocessing3．1Boilerstructureintroduction⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯93．2Over—heatphenomenonandth

7、ereasondetectionandprocessing⋯⋯⋯⋯⋯113．2．1ThephenomenonofoVertemperature⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯113．2．2Reasonanalysisanddetection⋯⋯⋯⋯⋯⋯⋯⋯．⋯⋯⋯⋯⋯⋯⋯．133．2．3ProcessingofoVertemperature⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯17万方数据CONTENTS3．3Conclusion⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯2l4OneofllOOMWsuper-boilerverticalwaterwal

8、lover-heatproblems’Sanalysisandprocessing4．1Boilerstru