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生物质化学工程 ›› 2013, Vol. 47 ›› Issue (1): 39-44.doi: 10.3969/j.issn.1673-5854.2013.01.006

• 研究报告 • 上一篇    下一篇

生物质烟梗热解和燃烧特性研究

钟仙芳1,2, 刘春波1, 王昆淼1, 张涛1, 韩敬美1, 陈永宽1, 王亚明2, 缪明明1, 刘志华1,2   

  1. 1. 云南烟草科学研究院 云南省烟草化学重点实验室, 云南 昆明 650106;2. 昆明理工大学 化学工程学院, 云南 昆明 650224
  • 收稿日期:2012-09-04 修回日期:1900-01-01 出版日期:2013-01-30 发布日期:2013-01-30
  • 通讯作者: 刘志华(1974-),男,副研究员,主要从事烟草化学研究;E-mail:lzh@cyats.com。

Pyrolysis and Combustion Characteristics of Biomass Tobacco Stalk

ZHONG Xian-fang1,2, LIU Chun-bo1, WANG Kun-miao1, ZHANG Tao1, HAN Jing-mei1, CHEN Yong-kuan1, WANG Ya-ming2, MIAO Ming-ming1, LIU Zhi-hua1,2   

  1. 1. Key Lab.of Tobacco Chemistry of Yunnan, Yunnan Academy of Tobacco Science, Kunming 650106, China;2. The School of Chemistry Engineering, Kunming University of Science and Technology, Kunming 650224, China
  • Received:2012-09-04 Revised:1900-01-01 Online:2013-01-30 Published:2013-01-30

摘要: 以生物质烟梗为材料,对其燃烧特性进行了研究。采用热重分析仪同步热分析技术考察升温速率和粒径对生物质烟梗的热解反应和燃烧反应的影响。在热解反应和燃烧反应中升温速率对生物质烟梗的燃烧特性指数的影响规律大致为Sn(20 K/min)>Sn(15 K/min)>Sn(10 K/min)>Sn(5 K/min),但粒径为0.425 mm烟梗在在热解反应时燃烧特性指数随升温速率变化Sn(20 K/min)>Sn(15 K/min)>Sn(5 K/min)>Sn(10 K/min),燃烧反应时随升温速率的变化Sn(15 K/min)>Sn(20 K/min)>Sn(10 K/min)>Sn(5 K/min);同时考察粒径对燃烧特性指数的影响得出Sn(0.180 mm)>Sn(0.250 mm)>Sn(0.425 mm)。用Ozawa法计算生物质烟梗的表观活化能,得出生物质烟梗热解反应时的活化能大于燃烧反应时的活化能。

关键词: 热重分析仪, 燃烧特性, 粒径, 升温速率

Abstract: In this paper combustion characteristics of tobacco stalk was studied. Simultaneous thermal analysis technology was used to analyze the influence of heating rate and particle diameter. Then combustibility index and kinetic energy were obtained. The effect of combustion characteristic index during pyrolysis or combustion reaction tobacco stem of heating rate on biomass of tobacco stem is Sn(20 K/min)>Sn(15 K/min)>Sn(10 K/min)>Sn(5 K/min).But the effect of with particle diameter 0.425 mm in pyrolysis is Sn(20 K/min)>Sn(15 K/min)>Sn(5 K/min)>Sn(10 K/min) and in combustion reaction is Sn(15 K/min)>Sn(20 K/min)>Sn(10 K/min)>Sn(5 K/min). At the same time, the effect of particle diameter on combustion characteristic index is Sn(0.180 mm)>Sn(0.250 mm)>Sn(0.425 mm).

Key words: Pyrolysis, combustion characteristic index, particle diameter, heating rate

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