|本期目录/Table of Contents|

[1]逄智宏,李万兆,郭露,等.速生杨木粉尘最小点火能的实验研究[J].中国安全生产科学技术,2018,14(11):138-143.[doi:10.11731/j.issn.1673-193x.2018.11.022]
　PANG Zhihong,LI Wanzhao,GUO Lu,et al.Experimental study on minimum ignition energy of fast grown poplar dust[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2018,14(11):138-143.[doi:10.11731/j.issn.1673-193x.2018.11.022]
点击复制

速生杨木粉尘最小点火能的实验研究
分享到：

《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
14
期数:
2018年11期
页码:
138-143
栏目:
职业安全卫生管理与技术
出版日期:
2018-11-30

文章信息/Info

Title:
Experimental study on minimum ignition energy of fast grown poplar dust
文章编号:
1673-193X(2018)-11-0138-06
作者:
逄智宏; 李万兆; 郭露; 徐长妍; 朱南峰
（南京林业大学 材料科学与工程学院，江苏 南京 210037）
Author(s):
PANG Zhihong;  LI Wanzhao;  GUO Lu;  XU Changyan;  ZHU Nanfeng
(College of Materials Science and Engineering, Nanjing Forestry University, Nanjing Jiangsu 210037, China)
关键词:
速生杨木粉尘; 最小点火能; 点火延迟时间; 喷粉压力; 质量浓度; 粒径分布
Keywords:
fast grown poplar dust;  minimum ignition energy;  ignition delay time;  dust spray pressure;  mass concentration;  particle size distribution
分类号:
X932
DOI:
10.11731/j.issn.1673-193x.2018.11.022
文献标志码:
A
摘要:
为防止木材加工中木质粉尘燃爆事故的发生，以纤维板生产中常见的原材料速生杨木粉尘作为研究对象，在分析粉尘粒径分布、元素分析、工业分析及形貌特征的基础上，采用1.2 L哈特曼管对3种不同粒径（0~50，＞50~96，＞96~180 μm）速生杨木粉尘进行最小点火能实验，探究点火延迟时间、喷粉压力、质量浓度和粒径分布对速生杨木粉尘最小点火能的影响及变化规律。研究结果表明：在质量浓度为500 g/m3时，分别增加点火延迟时间和喷粉压力，最小点火能都先减小后增大；最佳点火延迟时间和最佳喷粉压力分别为120 ms和120 kPa；粒径对最佳点火延迟时间和最佳喷粉压力无显著影响。在点火延迟和喷粉压力分别为120 ms和120 kPa条件下，最小点火能随质量浓度的增加先减小后增大。粉尘粒径与最小点火能呈正相关性，3种样品的最小点火能分别为1~3，1~3和7~13 mJ，对应的敏感质量浓度分别为500 ，750和1 250 g/m3，属于特别着火敏感性粉尘。
Abstract:
In order to prevent the accidents of wood dust combustion and explosion during the wood processing, taking the dust of fast grown poplar which is the common raw material in the production of fibreboard as the research object, on the basis of analyzing the particle size distribution, ultimate analysis, proximate analysis and topographic characteristics of dust, the experiments of the minimum ignition energy were carried out on the dust of fast grown poplar with three different particle sizes (0-50 μm, 50-96 μm and 96-180 μm) by using a 1.2 L Hartmann tube, and the influence and change laws of ignition delay time, dust spray pressure, mass concentration and particle size distribution on the minimum ignition energy of fast grown poplar dust were investigated. The results showed that when the mass concentration was 500 g/m3, both the minimum ignition energy decreased first and then increased when increasing the ignition delay time and dust spray pressure respectively. The optimum ignition delay time and dust spray pressure was 120 ms and 120 kPa respectively. The particle size had no obvious influence on the optimum ignition delay time and dust spray pressure. When the ignition delay time and dust spray pressure was 120 ms and 120 kPa respectively, the minimum ignition energy decreased first and then increased with the increase of mass concentration. The particle size of dust was positively correlated with the minimum ignition energy, the minimum ignition energy of three types of sample was 1-3 mJ, 1-3 mJ and 7-13 mJ respectively, and the corresponding sensitive mass concentration was 500 g/m3, 750 g/m3 and 1 250 g/m3 respectively, which belonged to the special ignition sensitive dust.

参考文献/References:

［1］邢继林. 关于杨木资源高效利用的分析［J］. 科技创新与应用, 2012(11):100-101. XING Jilin. Analysis of the efficient use of fast-growing poplar resources［J］. Technological Innovation and Application, 2012(11):100-101.
［2］陈国华, 江湖一佳, 王新华. 红木粉爆炸特性实验研究［J］. 消防科学与技术，2016(9):1200-1203. CHEN Guohua, JIANG Huyijia, WANG Xinhua. Study on characteristics of mahogany wood dust explosion［J］. Fire Science and Technology, 2016(9):1200-1203.
［3］张春慧. “木材加工系统粉尘防爆安全规范”解读［J］. 劳动保护, 2014(3):54-55. ZHANG Chunhui. Interpretation of “Dust explosion protection safety standard for wood processing system”［J］. Labor Protection, 2014(3):54-55.
［4］江湖一佳. 木质粉尘爆炸特性及其典型生产环境风险评估应用研究［D］. 广州: 华南理工大学, 2016.
［5］周正, 李刚. 粉尘爆炸特性参数的测试［J］. 品牌与标准化, 2010(14):48-49. ZHOU Zheng, LI Gang. Test of dust explosion characteristic parameters［J］.Brand and Standardization, 2010(14):48-49.
［6］JOHN E G, KRIS C, KENNETH L C. Flammability limit measurements for dusts in 20 L and 1 m3 vessels［J］.Journal of Loss Prevention in the Process Industries,2000（13）:209-219.
［7］ECKHOFF R K. Dust explosions in the process industries (Third Edition)［J］. Journal of Hazardous Materials,1991,54(3):266-267.
［8］AMUOTTE P R, ECKHOFF R K. Dust explosion causation, prevention and mitigation: An overview［J］. Journal of Chemical Health & Safety, 2010, 17(1):15-28.
［9］WORSFOLD S M, AMYOTTE P R，KHAN F I, et al. Review of the explosibility of nontraditional dusts［J］. Industrial & Engineering Chemistry Research, 2012, 51(22):7651-7655.
［10］ADDAI E K, GABEL D, KAMAL M, et al. Minimum ignition energy of hybrid mixtures of combustible dusts and gases［J］. Process Safety & Environmental Protection, 2016（102）:503-512.
［11］TODAKA M, KOWHAKUL W, MASAMOTO H, et al. Thermal analysis and dust explosion characteristics of spent coffee grounds and jatropha［J］. Journal of Loss Prevention in the Process Industries, 2016（44）:10-11.
［12］ZHANG X, SHEN Q, SHEN X, et al. Minimum ignition energy of medicinal powder-florfenicol and tilmicosin［J］. Journal of Loss Prevention in the Process Industries, 2016（39）:30-38.
［13］曹卫国. 褐煤粉尘爆炸特性实验及机理研究［D］. 南京: 南京理工大学, 2016.
［14］黄丽媛, 曹卫国, 徐森,等. 石松子粉最小点火能实验研究［J］. 爆破器材, 2012, 41(5):9-11. HUANG Liyuan, CAO Weiguo, XU Sen, et al. Experimental research on minimum ignition energy of lycopodium［J］. Explosive Materials, 2012, 41(5):9-11.
［15］曹卫国, 徐森, 张建新. 小麦淀粉粉尘爆炸特性参数的研究［J］. 安全与环境学报, 2012(2):215-218. CAO Weiguo, XU Sen, ZHANG Jianxin. On the characteristic parameters of wheat starch dust explosion［J］. Journal of Safety and Environment, 2012(2):215-218.
［16］潘峰, 马超, 曹卫国,等. 玉米淀粉粉尘爆炸危险性研究［J］. 中国安全科学学报, 2011, 21(7):46-51. PAN Feng, MA Chao, CAO Weiguo, et al. Research on explosion risk of corn starch dust［J］. China Safety Science Journal, 2011, 21(7):46-51.
［17］耿君, 丁涛, 周捍东. 中密度纤维板砂光粉的粒径分布研究［J］. 木材加工机械, 2012，23(6)：27-29. GENG Jun, DING Tao, ZHOUHandong. Study on particle size distribution of medium density fiberboard sanding dust［J］. Wood Processing Machinery, 2012, 23(6) ：27-29.
［18］丁涛, 顾炼百, 朱南峰,等. 热处理材的铣削加工性能分析［J］. 木材工业，2012(2):22-24. DING Tao, GULianbai, ZHU Nanfeng, et al. Milling processing performance of heat-treated wood［J］. China Wood Industry, 2012(2):22-24.
［19］MELANIE A, OLIVIER B, AlLEXANDRE G, et al. Changes on wood powder morphology and flowability due to thermal pretreatment［J］. Société Franaise De Génie Des Procédés, 2011.
［20］STANDARRDS B. Potentially explosive atmospheres-explosion prevention and protection - determination of minimum ignition energy of dust/air mixtures：EN13821-2002 ［S］.EN，2003.
［21］郭露, 王耀, 温作浩,等. 纤维板砂光粉尘的燃爆特性［J］. 中国粉体技术, 2017(6):40-46. GUO Lu, WANG Yao, WEN Zuohao, et al. Combustion and explosion characteristics of fiberboard sanding dust ［J］. China Powder Science and Technology, 2017(6):40-46.
［22］邢东. 生物质燃气热处理木材品质与微观力学性能研究［D］. 沈阳: 东北林业大学, 2016.
［23］李雨成, 刘天奇, 周磊. 不同变质程度煤尘云最小点火能实验研究［J］. 辽宁工程技术大学学报:自然科学版, 2017(8):796-800. LI Yucheng, LIU Tianqi, ZHOU Lei. Experimental study on coal dust minimum ignition energy clouds of different metamorphic grade［J］. Journal of Liaoning Technical University: Natural Science, 2017(8):796-800.
［24］GAO W, ZHANG X, ZHANG D, et al. Flame propagation behaviours in nano-metal dust explosions［J］. Powder Technology, 2017（321）：1-3.
［25］陈春燕, 龙思华, 肖国清,等. 点火延迟时间对甘薯粉尘爆炸的影响研究［J］. 中国安全生产科学技术，2016，12(12):171-175. CHEN Chunyan, LONG Sihua, XIAO Guoqing, et al. Effect of ignition delay time on sweet potato dust explosion［J］. Journal of Safety Science and Technology, 2016, 12(12):171-175.
［26］任纯力. 粉尘云最小点火能试验研究与数值模拟［D］. 沈阳: 东北大学, 2011.
［27］SIWEK R, CESANA C. Ignition behavior of dusts: Meaning and interpretation［J］. Process Safety Progress, 2010, 14(2):107-119.
［28］BALLAL D R. Ignition and flame quenching of quiescent dust clouds of solid fuels［J］. Proceedings of the Royal Society of London， 1980， 369(1739):479-500.
［29］ECKHOFF R K. Understanding dust explosions. The role of powder science and technology［J］. Journal of Loss Prevention in the Process Industries, 2009, 22(1):105-116.

相似文献/References:

[1]任纯力,李新光,王福利,等.湍流对粉尘云电火花点火过程的影响*[J].中国安全生产科学技术,2009,5(6):26.
　REN Chun li,LI Xin guang,WANG Fu li,et al.Effect of turbulence on spark ignition process of dust cloud[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2009,5(11):26.
[2]张金锋,李艳丽,刘鑫,等.不同条件下6-APA粉体爆炸最小点火能测试研究[J].中国安全生产科学技术,2015,11(10):43.[doi:10.11731/j.issn.1673-193x.2015.10.008]
　ZHANG Jin-feng,LI Yan-li,LIU Xin,et al.Study on minimum ignition energy of 6-APA powder explosion under different conditions[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2015,11(11):43.[doi:10.11731/j.issn.1673-193x.2015.10.008]
[3]王浩,张金锋,解启航,等.彩虹粉引燃危险性实验研究[J].中国安全生产科学技术,2017,13(10):169.[doi:10.11731/j.issn.1673-193x.2017.10.028]
　WANG Hao,ZHANG Jinfeng,XIE Qihang,et al.Experimental study on ignition risk of rainbow powder[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2017,13(11):169.[doi:10.11731/j.issn.1673-193x.2017.10.028]
[4]覃小玲,李晓泉.惰性粉体对蔗糖粉尘最小点火能的影响研究[J].中国安全生产科学技术,2019,15(11):72.[doi:10.11731/j.issn.1673-193x.2019.11.011]
　QIN Xiaoling,LI Xiaoquan.Study on influence of inert dust on minimum ignition energy of sucrose dust[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2019,15(11):72.[doi:10.11731/j.issn.1673-193x.2019.11.011]
[5]吴雪梅,朱顺兵,吴佳梦,等.高密度聚乙烯粉尘燃爆特性及泄爆实验研究*[J].中国安全生产科学技术,2023,19(10):144.[doi:10.11731/j.issn.1673-193x.2023.10.020]
　WU Xuemei,ZHU Shunbing,WU Jiameng,et al.Experimental study on explosion characteristics and venting test of high density polyethylene dust[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2023,19(11):144.[doi:10.11731/j.issn.1673-193x.2023.10.020]

备注/Memo

备注/Memo:
收稿日期： 2018-06-22
基金项目： 国家重点研发计划项目（2016YFD0600703）
作者简介： 逄智宏，硕士研究生，主要研究方向为木质粉尘燃爆机理。
通信作者： 朱南峰，博士，教授，主要研究方向为木质粉尘燃爆机理。
更新日期/Last Update: 2018-12-03