影響煤熱解時含氮化合物分布的因素.pdf

1、太原理工大學碩士學位論文影響煤熱解時含氮化合物分布的因素姓名：馮志華申請學位級別：碩士專業(yè)：化工工藝指導教師：謝克昌常麗萍2001.3.1譬373175AbstractInthisthesisthemethodsofDropinandprocessheatareusedtostudythef缸torsthataffectthenitrogendistributionduringcoalpyrolysisThetemperature，ql

2、articlesize，coaltype，gasflowrate，heatingrateandresidencetimearet110ughtofaS。，th‘e、importanceinourexperimentandsomelawofnitrogendistributioningas，tar，f，4t如ararediscussed，●，／、Ourconclusionsareasfollowing：f1TheyieldsofHCNan

3、dNH3increasewithincreasingtemperatureCoaltypeaffectstheformingofHCNandNH3dramaficlyTheyieldofgasNinDongshancoalduringpyrolysisofDrop—inorprocessheatisthehighestinallthecoalsTheyieldofNH3isthesmallestinDraytoncoal；HCNform

4、edinYangchengpcoalisthesmallestalso’鏈’Particlesizedosen’taffecttheyieldsofHCNandNH3inDrop—inIthasbeenfoundthatalotofHCNisformedwithincreasingtemperatureTheyieldofNH3isn’tinfluencedbythegasflowrateHCNformedinDropinisincre

5、asedwhileithasamaximuminprocessheatwithincreasingtemperatureWhenheatingrateincreases，TheformationofHCNandNH3isgreatlyFTIRisusedintartostudyfunctionalgroupsthatmayinfluencetheformationofHCNandNH3Thesegroupsincludes：OH，一CO

6、一，C=Ceta1ThispaperprovidesusefulinformationfortheformationofHCNandNH3Thecharisanalysed、ⅣimelementanalyzerformeasuringitscompsitionWefindthatNitrogendistributedincharisaconstant，notbeinginfluencdbytemperature，partilesize，