矿物成分对超细化煤粉燃烧特性影响的实验研究 influence of mineral matter on combustion character in micro-pulverized coal during combustion.pdfVIP
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矿物成分对超细化煤粉燃烧特性影响的实验研究 influence of mineral matter on combustion character in micro-pulverized coal during combustion
27 卷 8 期 中 国 电 机 工 程 学 报 Vol.27 No.8 Mar. 2007
2007 年3 月 Proceedings of the CSEE 2007 Chin.Soc.for Elec.Eng.
文章编号:0258-8013 (2007) 08-0005-06 中图分类号:TQ534 文献标识码:A 学科分类号:47020
矿物成分对超细化煤粉燃烧特性影响的实验研究
1 2 1 1 1
魏砾宏 ,姜秀民 ,李爱民 ,杨天华 ,李延吉
1.沈阳航空工业学院清洁能源与环境工程研究所,辽宁省 沈阳市 110034;
2.上海交通大学机械与动力工程学院,上海市 闵行区 200240 )
Influence of Mineral Matter on Combustion Character in Micro-pulverized Coal
During Combustion
1 2 1 1 1
WEI Li-hong , JIANG Xiu-min , LI Ai-min , YANG Tian-hua , LI Yan-ji
( 1. Institute of Clean Energy and Environmental Engineering, Shenyang Institute of Aeronautical Engineering, Shenyang
110034, Liaoning Province, China; 2. School of Mechanical Engineering, Shanghai Jiao Tong University, Minhang District,
Shanghai 200240,China)
ABSTRACT: Each of five kinds of mineral substances (NaOH, 验中气体流量为50mL/min ,氧气体积百分比浓度为20% ,
KOH, MgO, CaO, Al O and Fe O ) was mixed into three kinds 升温速率为20℃/min。通 对所获得的热失重(TG)和失重微
2 3 2 3
of deashed micro-pulverized coals (obtained from Hegang, 分(DTG) 曲线的分析,比较了各种矿物质对3 个煤种燃烧特
Tiefa, Zhungeer) to make experimental samples for the 性的影响。结果发现,NaOH、KOH 使鹤岗、准噶尔和铁法
combustion experiments, respectively. Then, using an online 煤的脱灰样品的着火降低 50℃左右,最大失重速率温度和
thermogravimetric-gas chromatographic system, the combus- 活化能降低;Fe O 提高了3 种脱灰煤样的着火温度,抑制
2 3
tion experiments of these samples were conducted at the 挥发分反应活性;
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