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[1]王健,武勇,刘小燕,等.景区典型树种的热解特性及动力学研究[J].中国安全生产科学技术,2019,15(2):32-38.[doi:10.11731/j.issn.1673-193x.2019.02.005]
 WANG Jian,WU Yong,LIU Xiaoyan,et al.Study on pyrolysis characteristics and kinetics of typical tree species in scenic spots[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2019,15(2):32-38.[doi:10.11731/j.issn.1673-193x.2019.02.005]
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景区典型树种的热解特性及动力学研究
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
15
期数:
2019年2期
页码:
32-38
栏目:
学术论著
出版日期:
2019-02-28

文章信息/Info

Title:
Study on pyrolysis characteristics and kinetics of typical tree species in scenic spots
文章编号:
1673-193X(2019)-02-0032-07
作者:
王健123武勇1刘小燕4单威威1潘荣锟123
(1.河南理工大学 安全科学与工程学院,河南 焦作 454003;
2.河南理工大学 煤矿瓦斯与火灾防治重点实验室,河南 焦作 454003;
3.煤炭安全生产河南省协同创新中心,河南 焦作 454003;
4.河南理工大学 计算机科学与技术学院,河南 焦作 454003)
Author(s):
WANG Jian123 WU Yong1 LIU Xiaoyan4 SHAN Weiwei1 PAN Rongkun123
(1. College of Safety Science and Engineering, Henan Polytechnic University, Jiaozuo Henan 454003, China;
2. Key laboratory of Prevention and Cure of Mine Methane & Fires, Henan Polytechnic University, Jiaozuo Henan 454003, China;
3. Collaborative Innovation Center of Coal Safety Production of Henan Province, Jiaozuo Henan 454003, China;
4. College of Computer Science and Technology, Henan Polytechnic University, Jiaozuo Henan 454003, China)
关键词:
森林火灾热重分析Coats-Redfern法活化能热稳定性
Keywords:
forest fire thermogravimetric analysis CoatsRedfern method activation energy thermal stability
分类号:
X932
DOI:
10.11731/j.issn.1673-193x.2019.02.005
文献标志码:
A
摘要:
为了研究山林或景区中不同植物的热稳定性,选取了景区种植数量较多的6种典型树种:女贞、枇杷、竹子、松树、柏树和法桐的枝干和叶作为样品。借助同步热分析仪,在温升速率20℃/min的条件下,对未经干燥处理的样品进行热解特性及热解反应动力学研究。通过TG、DTG以及DSC曲线分析各样品的热解过程,并采用分阶段一级反应动力学模型Coats-Redfern法求得相应参数。研究结果表明:所取样品的热解过程都出现4个明显的热解阶段,即脱水阶段、综纤维素热解阶段、木质素热分解阶段、炭化阶段。根据6个树种的主要热解阶段和动力学分析,6种树种的热稳定性从低到高顺序依次为竹子、女贞、枇杷、法桐、柏树、松树。
Abstract:
In order to study the thermal stability of different plants in the mountain forests or scenic spots, six typical tree species with a large number of planting in the scenic spots were selected, including ligustrum lucidum, loquat, bamboo, pine, cypress and platanus orientalis, and their branches and leaves were taken as the samples. The pyrolysis characteristics and pyrolysis reaction kinetics of the undried samples were studied under the condition of temperature rising rate of 20℃/min by using the synchronous thermal analyzer. The pyrolysis process of each sample was analyzed by TG, DTG and DSC curves, and the corresponding parameters were obtained by using the dividedstage firstorder reaction kinetics model CoatsRedfern method. The results showed that there were four distinct pyrolysis stages in the pyrolysis process of all the samples, namely the dehydration stage, pyrolysis stage of holocellulose, thermal decomposition stage of lignin and carbonization stage. According to the main pyrolysis stages and kinetic analysis of six tree species, the order of their thermal stability from low to high was bamboo, ligustrum lucidum, loquat, platanus orientalis, cypress and pine.

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备注/Memo

备注/Memo:
收稿日期: 2018-12-17;数字出版日期: 2019-02-20
基金项目: 火灾科学国家重点实验室开放课题(HZ2013-KF07)
作者简介: 王健,博士,副教授,主要研究方向为火灾防治理论与技术、火灾系统复杂性及模型模拟。
通信作者: 武勇,硕士研究生,主要研究方向为火灾防治理论与技术。
更新日期/Last Update: 2019-03-06