张睿冲,邓越洋,邓红卫,陈庆发,程贵海

• 1:中南大学资源与安全学院
• 2:广西大学资源环境与材料学院

摘要(Abstract)：

为预防木薯淀粉在生产经营中爆炸,特研究木薯淀粉爆炸下限,采用20 L球罐粉尘云爆炸参数测试装置,对木薯淀粉的爆炸下限进行实验研究。分别研究了点火头能量、喷吹压力、质量浓度对木薯淀粉爆炸下限的影响。结果表明:随着点火能量的增加,木薯原淀粉的爆炸下限降低,木薯淀粉爆炸下限浓度最小值为25～35 g/m~3;在不同的喷吹压力条件下,随着点火延迟时间的增加,木薯淀粉的爆炸下限呈现减少后增加的特征;不同的点火延迟时间条件下,部分延迟时间段,木薯淀粉的爆炸下限呈现减少后增加的特征,另外的延迟时间段,木薯淀粉的爆炸下限呈现波动的无规律的特征。

关键词(KeyWords)： 木薯原淀粉;爆炸下限;爆炸下限影响因素

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(51464005);; 广西安全生产科技项目(gxaj201506)

作者(Author): 张睿冲,邓越洋,邓红卫,陈庆发,程贵海

参考文献(References)：

• [1] 张海洲,齐志高.粉爆之灾,警钟长鸣:“2·24”淀粉粉尘爆炸事故的原因、过程及教训[J].粮食流通技术,2010,15(2):24-28.[1] ZHANG Hai-zhou,QI Zhi-gao.The cause,process and lesson of "2·24" starch dust explosion[J].Grain Circulation Technology,2010,15(2):24-28.(in Chinese)
• [2] 陈俊宇.35名地方党政人员被追责江苏昆山粉尘爆炸事故75人死185人伤[J].法律与生活,2015(1):11.[2] CHEN Jun-yu.35 local party officials blamed for dust explosion in kunshan,jiangsu,75 dead,185 injured[J].Law and Life,2015(1):11.(in Chinese)
• [3] 周从章,张瑞萍.关于粉尘云爆炸下限浓度的讨论[J].中国安全科学学报,1995,5(3):39- 42.[3] ZHOU Cong-zhang,ZHANG Rui-ping.Discussion on the lower limit concentration of dust cloud explosion[J].Chinese Journal of Safety Science,1995,5(3):39- 42.(in Chinese)
• [4] 周从章,曾庆轩.工业粉尘云爆炸下限的实验研究[J].火工品,2002(2):19-21.[4] ZHOU Cong-zhang,ZENG Qing-xuan.Experimental study on lower explosive limit of industrial dust cloud[J].Pyrotechnics,2002(2):19-21.(in Chinese)
• [5] 陈成.铝粉及TNT粉尘的最小点火能和爆炸下限研究[D].太原:中北大学,2013.[5] CHEN Cheng.Study on minimum ignition energy and lower explosion limit of aluminum powder and TNT dust[D].Taiyuan:North University of China,2013.(in Chinese)
• [6] 汪建平,刘庆明.基于Logistic统计方法的煤粉爆炸下限研究[J].煤炭学报,2015,40(1):128-134.[6] WANG Jian-ping,LIU Qing-ming.Study on lower limit of explosion of pulverized coal based on Logistic statistical method[J].Acta Coal Sinica,2015,40(1):128-134.(in Chinese)
• [7] FAWAZ K Sweis.The effect of admixed material on the minimum explosible concentrationof oil shale[J].Journal of Loss Prevention in the Process Industries,2006,19(6):701-704.
• [8] 胡维西,汪涛.点火能量对粉尘爆炸下限浓度的影响[J].工业安全与环保,2018,44(10):13-14.[8] HU Wei-xi,WANG Tao.Influence of ignition energy on lower limit concentration of dust explosion[J].Industrial Safety and Environmental Protection,2018,44(10):13-14.(in Chinese)
• [9] 袁帅.玉米淀粉燃烧爆炸特性及其惰化实验研究[D].大庆:东北石油大学,2018.[9] YUAN Shuai.Experimental study on combustion and explosion characteristics of corn starch and its inerting[D].Daqing:Northeast Petroleum University,2018.(in Chinese)
• [10] YUAN Jing-jie,HUANG Wei-xing,DU Bing.An extensive discussion on experimental test of dust minimum explosible concentration[C]//International Symposium on Safety Science and Engineering in China 2012:Beijing,China,7-9 November:343-347.
• [11] 王者鹏.低浓度瓦斯对煤尘爆炸下限的影响研究[J].煤矿安全,2017,48(2):26-28.(in Chinese)[11] WANG Peng.Influence of low concentration of gas on lower limit of coal dust explosion[J].Coal Mine Safety,2017,48(2):26-28.(in Chinese)
• [12] 喻健良,纪文涛.甲烷/石松子粉尘混合体系爆炸下限的变化规律[J].爆炸与冲击,2017,37(6):924-929.[12] YU Jian-liang,JI Wen-tao.Variation of lower explosive limit of methane/lycopodil dust mixed system[J].Explosion and Impact,2017,37(6):924-929.(in Chinese)
• [13] 甘波,高伟.甲烷浓度对PMMA/甲烷混合爆炸下限及预热区厚度的影响[J].爆炸与冲击,2019,39(2):188-195.[13] GAN Bo,GAO Wei.Influence of methane concentration on lower limit of PMMA/meth ane mixed explosion and thickness of preheating zone[J].Explosion and Impact,2019,39(2):188-195.(in Chinese)
• [14] 袁博云.硫化矿尘云爆炸强度与爆炸下限浓度试验研究[D].赣州:江西理工大学,2016.[14] YUAN Bo-yun.Experimental study on explosion intensity and lower limit concentration of sulfide mine dust cloud[D].Ganzhou:Jiangxi University of Science and Technology,2016.(in Chinese)
• [15] 李润之.瓦斯煤尘共存条件下的煤尘云爆炸下限[J].爆炸与冲击,2018,38(4):913-917.[15] LI Run-zhi.Lower limit of coal dust cloud explosion under gas and coal dust coexistence[J].Explosion and Impact,2018,38(4):913-917.(in Chinese)
• [16] 王琼慧.糖粉粉尘爆炸特性研究[D].成都:西南石油大学,2016.[16] WANG Qiong-hui.Explosion characteristics of powdered sugar dust[D].Chengdu:Southwest Petroleum University,2016.(in Chinese)
• [17] 国家技术监督局.GB/T16425—1996粉尘云爆炸下限浓度测定方法[S].北京:中国标准出版社,1997.[17] National Bureau of Technical Supervision.GB/T16425—1996 Method for determination of lower limit concentration of dust cloud explosion[S].Beijing:China standard press,1997.(in Chinese)