分解炉混煤高效低nox燃烧的数值模拟与结构优化

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1、Abstracttheinstallationheightoftheaddingdenitrationcoal-nozzleinconicalpart.Theresultsshowthatwhenthedenitrationcoal-nozzleisparallelwiththerevivificationtertiaryair,theoptimalcoalinjectionangleisupto15degreeandtheoptimalinstallationheightis2.5m.Inthisconditionthedistributionoftempera

2、tureissuitableforthedecompositionofrawmeal,andthedistributionofcarbonmonoxide,oxygen,carbondioxideisreasonablewhilethecharburnoutrateandcharburnoutratioareoptimal.(4)ByanalyzingtheeffectofstructureoptimizationonNOxproducingincalciner,therisingofcalcinerchokediameterandcoal-injectiondu

3、ctfeedcoalanglebothmakeNOxconcentrationincreasefirstandthendecrease.Basedontheoptimaldiameterofthethroatinthecircularconesiteofthecalcinerandtheoptimalinjectionangleofthecoal-injectiontubethedenitrationcoal-nozzlesareadded,andtheconcentrationofNOxincreaseswithheightincreasing.Thenumer

4、icalsimulationresultsprovideanimportanttheoreticalbasisforthestructuraloptimizationofcalcinerusingmixedcoal.Keywords:calciner;structuraloptimization;numericalsimulation;NOxIII万方数据目录目录第1章绪论.................................................................................................

5、.............11.1选题背景............................................................................................................11.2新型干法水泥技术简介....................................................................................11.3分解炉研究进展...............................................

6、..................................................31.3.1分解炉的热工特性.....................................................................................31.3.2分解炉研究进展.........................................................................................31.4煤粉低NOx燃烧技术研究进展................

7、........................................................51.5课题来源及研究内容.........................................................................................61.5.1课题来源.....................................................................................................61.5.2研究内容......

8、.....