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热力发电  2014 

大差异煤掺烧反应动力学研究

, PP. 46-50

Keywords: 大差异煤,非等温热重实验,燃烧特性,动力学参数

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Abstract:

以具有大差异煤质特性的河南新密无烟煤、内蒙古褐煤及其不同配比混煤作为研究对象进行非等温热重实验,通过tg/dtg曲线分析不同反应工况对燃烧特性和动力学参数的影响。结果表明,配比和升温速率对混煤掺烧特性影响较大,煤粉细度和空气流量存在中间最优值,混煤配比为7∶3或5∶5,升温速率30℃/min时具有良好的着火能力和燃尽特性,活化能较小,燃烧剧烈且稳定。实验结果可为燃烧大差异特性混煤机组的高效、安全、经济运行提供依据。

References

[1]  韩立芳,王桂芳,薛宁.不同煤种掺烧可行性及对锅炉运行性能的影响[j].热力发电,2005,34(4):24�27.hanlifang,wangguifang,xuening.feasibilityofadmix�burningdifferentcoalsortsanditsinfluenceonoperationbehavioroftheboiler[j].thermalpowergeneration,2005,34(4):24�27.
[2]  杨艳霞.无烟煤市场运行分析及2010年走势展望[j].煤炭经济研究,2010,30(1):90�92.yangyanxia.operationanalysisandtrendsoutlookin2010ofanthracitecoalmarket[j].coaleconomicresearch,2010,30(1):90�92.
[3]  姚强,岑可法,施正伦,等.多煤种配煤特性的试验研究[j].动力工程,1997,17(2):16�20.yaoqiang,cenkefa,shizhenglunetal.experimentalstudyoncharacteristicsofcoalblending[j].powerengineering,1997,17(2):16�20.
[4]  张晓杰,聂其红,孙绍增,等.混煤着火过程试验研究[j].电站系统工程,1999,15(6):41�44.zhangxiaojie,nieqihong,sunshaozeng,etal.experimentalstudyonignitionprocessofblendedcoals[j].powersystemengineering,1999,15(6):41�44.
[5]  peraltad.coalblendperformanceduringpulverized�fuelcombustion:estimationofrelativereactivitiesbyabomb�calorimetertest[j].fuel,2001,80:1623�1634.
[6]  聂其红,孙绍增,李争起,等.褐煤混煤燃烧特性的热重分析法研究[j].燃烧科学与技术,2001,7(1):72�76.nieqihong,sunshaozeng,lizhengqi,etal.thermogravimetricanalysisoflignitemixedcoalcombustioncharacteristics[j].journalofcombustionscienceandtechnology,2001,7(1):72�76.
[7]  高正阳,方立军,周健,等.混煤燃烧特性的热重试验研究[j].动力工程,2002,22(3):1764�1768.gaozhengyang,fanglijun,zhoujian,etal.thermogravimetricresearchofblendedcoalcombustioncharacteristics[j].powerengineering,2002,22(3):72�76.
[8]  胡荣祖,史启祯.热分析动力学[m].北京:科学出版社,2001.hurongzu,shiqizhen.dynamicsofthermalanalysis[m].beijing:sciencepress,2001(inchinese).
[9]  刘亮,李录平,周臻,等.混煤燃烧反应动力学参数的实验研究[j].电站系统工程,2006,22(2):7�8,13.liuliang,liluping,zhouzhen,etal.experimentalstudyonblendedcoalcombustionkineticparameters[j].powersystemengineering,2006,22(2):7�8,13.
[10]  gilmv,casald,pevidac,etal.thermalbehaviorandkeneticsofcoal/biomassblendsduringco�combustion[j].bioresourcetechnology,2010,101:5601�5608.
[11]  张辉,陈晓平,丁红玉,等.依据tg原始数据估计燃烧动力学参数的通用方法[j].燃烧科学与技术,2005,11(4):319�322.zhanghui,chenxiaoping,dinghongyu,etal.commonmethodstoestimatekineticparametersofcombustionbyoriginaltgdata[j].journalofcombustionscienceandtechnology,2005,11(4):319�322.
[12]  张健.活化能与频率因子的相关分析[j].锅炉制造,1996(4):5�8.zhangjian.correlationanalysisofactivationenergyandfrequencyfactor[j].boilermanufacturing,1996(4):5�8.
[13]  m.v.kk.thermalanalysisofbeypazarilignite[j].journalofthermalanalysis,1997,49:617�625.
[14]  elenikastanaki,despinavamvuka.acomparativereactivityandkineticstudyonthecombustionofcoal�biomasscharblends[j].fuel,2006,85:1186�1193.
[15]  varolam,atimtayaat,baybb,etal.investigationofco�combustioncharacteristicsoflowqualitylignitecoalsandbiomasswiththermogravimetricanalysis[j].thermochimicaacta,2010,510:195�201.
[16]  biswass,choudhuryn,sarkarp,etal.studiesonthecombustionbehaviourofblendsofindiancoalsbytgaanddroptubefurnace[j].fuelprocessingtechnology,2006,87:191�199.
[17]  rubieraf,arenillasa,ariasb,etal.modificationofcombustionbehaviourandnoemissionsbycoalblending[j].fuelprocessingtechnology,2002,78:111�117.

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