郭子如;杜宝强;高中国;霍毅超;宋家旺;段晓兵;何志伟;刘锋;
GUO Zi-ru;DU Bao-qiang;GAO Zhong-guo;HUO Yi-chao;SONG Jia-wang;DUAN Xiao-bing;HE Zhi-wei;LIU Feng;School of Chemical Engineering, Anhui University of Science and Technology;Yahua Group Inner Mongolia Kodak Chemical Industry Co.,Ltd.;Inner Mongolia Kangning Blasting Co.,Ltd.;

• 1:安徽理工大学化学工程学院
• 2:雅化集团内蒙古柯达化工有限公司
• 3:内蒙古康宁爆破有限责任公司

摘要(Abstract)：

针对目前露天煤矿高温爆破使用铵油炸药情况，为探究高温炮孔中铵油炸药热爆炸临界温度，通过C80微量量热仪对2种铵油炸药进行实验得到热分解动力学参数，运用Semenov与Frank-Kamenetskii热爆炸模型分别对2种炸药在孔深为6 m和10 m、孔径为90 mm和200 mm下进行了热爆炸临界理论计算，并且计算了2种炸药不同温度下的热爆炸延滞期。结果表明：添加5%(质量分数)甲酰胺的耐热型铵油炸药比普通型铵油炸药自加速分解温度SADT高出约60℃;SADT温度随着孔径的增大而下降，Semenov模型中下降了5℃左右，Frank-Kamenetskii模型对孔径的敏感度更高，下降了约10℃,且耐热铵油炸药具有更长的延滞期，其在露天煤矿火区爆破中具有较好的耐热预期。
Since the ammonium explosive(ANFO) needs to be used in high-temperature blasting in open-pit coal mines, in order to find the critical temperature of thermal explosion of ANFO in high-temperature blastholes, the C80 microcalorimeter was applied to obtain the thermal decomposition kinetic parameters of two ANFO explosives. Semenov and Frank-Kamenetskii thermal explosion models were used to calculate the thermal explosion critical temperatures of the two explosives at holes of 6 m and 10 m in depth and 90 mm and 200 mm in hole diameter, and the thermal explosion delay periods of the two explosives at different temperatures were obtained. The results showed that the SADT of the heat-resistant ANFO with 5%(mass fraction) formamid was about 60 ℃ higher than that of the ordinary ANFO.The SADT temperature decreased with the increase of the borehole diameter and droping by about 5 ℃ in the Semenov model while by about 10 ℃ in the Frank-Kamenetskii model because of its higher sensitivity to hole diameter. Moreover, the heat-resistant ANFO has a longer lag period, which means a better heat resistance prediction inhigh temperature blasting of the open-pit coal mine.

关键词(KeyWords)： 高温爆破;热爆炸;铵油炸药;延滞期;自加速分解温度
high-temperature blasting;thermal explosion;ANFO;lag period;SADT

Abstract:

Keywords:

基金项目(Foundation):

作者(Authors): 郭子如;杜宝强;高中国;霍毅超;宋家旺;段晓兵;何志伟;刘锋;
GUO Zi-ru;DU Bao-qiang;GAO Zhong-guo;HUO Yi-chao;SONG Jia-wang;DUAN Xiao-bing;HE Zhi-wei;LIU Feng;School of Chemical Engineering, Anhui University of Science and Technology;Yahua Group Inner Mongolia Kodak Chemical Industry Co.,Ltd.;Inner Mongolia Kangning Blasting Co.,Ltd.;

DOI: 10.19931/j.EB.20210002

参考文献(References)：

• [1] 郭子如，方琦，段晓兵，等.耐热型铵油炸药露天煤矿火区爆破试验及分析[J].煤矿爆破，2019,37(5):1-3,12.GUO Z R,FANG Q,DUAN X B,et al.Blasting test and analysis of fire area of heat-resistant ammonium explosives in open-pit coal mine[J].Coal Mine Blasting,2019,37(5):1-3,12.
• [2] 刘伟，郭子如，王洋，等.耐热型铵油炸药的制备及性能[J].火炸药学报，2020,43(4):372-377.LIU W,GUO Z R,WANG Y,et al.Preparation and properties of heat-resistant ammonium explosives[J].Chinese Journal of Explosives and Propellants,2020,43(4):372-377.
• [3] HOLLIDAY J R,MARCUM W.Blasting plan for loading hot holes[C]//Proceedings of the 1996 22nd Annual Conference on Explosives and Blasting Technique.International Society of Explosives Engineers,1996:78-88.
• [4] PROULX R P,SCOVURA D S.Source 2.Drilling and blasting in hot and reactive ground conditions at Barrick Goldstrike's Meikle mine.CIM Bulletin[C]// July 2001.Canadian Institute of Mining,Metallurgy and Petroleum:71-75.
• [5] TANAKA K J,TANAKA S,SAWADA T.Development of heat resistant industrial explosives[J].Science and Technology of Energetic Materials,2002,63(4):144-150.
• [6] 郑炳旭.中国高温介质爆破研究现状与展望[J].爆破，2010,27(3):13-17,35.ZHENG B X.Current status and prospects of research on high-temperature medium blasting in China[J].Blasting,2010,27(3):13-17,35.
• [7] 束学来，郑炳旭，李战军，等.煤矿高温火区爆破技术的研究与应用[J].爆破，2015,32(4):128-132.SHU X L,ZHENG B X,LI Z J,et al .Research and application of blasting technology in high-temperature fire area of coal mine[J].Blasting,2015,32(4):128-132.
• [8] 束学来.露天煤矿火区爆破若干问题研究[D].淮南：安徽理工大学，2015.SHU X L.Research on several issues of blasting in open-pit coal mines[D].Huainan:Anhui University of Science and Technology,2015.
• [9] 黄亚峰，王晓峰，冯晓军，等.高温耐热炸药的研究现状与发展[J].爆破器材，2012,41(6):1-4.HUANG Y F,WANG X F,FENG X J,et al.Research status and development of high temperature and heat resistant explosives[J].Explosive Materials,2012,41(6):1-4.
• [10] 谢作军.添加物对ANFO热稳定性影响的实验研究[D].淮南：安徽理工大学，2017.XIE Z J.Experimental study on the influence of additives on the thermal stability of ANFO [D].Huainan:Anhui University of Science and Technology,2017.
• [11] 于谦，郭子如，何志伟，等.典型工业炸药耐热性实验研究[J].爆破器材，2019,48(1):47-51,57YU Q,GUO Z R,HE Z W,et al.Experimental study on heat resistance of typical industrial explosives[J].Explosive Materials,2019,48(1):47-51,57.
• [12] 孙占辉，孙金华，邵荃.盐酸对硝酸铵热分解的影响[J].中国科学技术大学学报，2006,36(4):370-373.SUN Z H,SUN J H,SHAO Q.The effect of hydrochloric acid on the thermal decomposition of ammonium nitrate[J].Journal of University of Science and Technology of China,2006,36(4):370-373.
• [13] 冯长根.热爆炸理论[M].北京：科学出版社，1988.FENG C G.Thermal explosion theory[M].Beijing:Science Press,1988.
• [14] 金韶华，松全才.炸药理论[M].西安：西北工业大学出版社，2010.JIN S H,SONG Q C.Theory of explosives [M].Xi'an:Northwestern Polytechnical University Press,2010.
• [15] 孙金华，丁辉.化学物质热危险性评价[M].北京：科学出版社，2005.SUN J H,DING H.Evaluation of thermal risk of chemical substances[M].Beijing:Science Press,2005.
• [16] 汪旭光，于亚伦.台阶爆破[M].北京：冶金工业出版社，2017.WANG X G,YU Y L.Step blasting[M].Beijing:Metallurgical Industry Press,2017.
• [17] 吕春绪.工业炸药理论[M].北京：兵器工业出版社，2003.LYU C X.Theory of industrial explosives [M].Beijing:Weapon Industry Press,2003.
• [18] 孙金华，陆守香，孙占辉.自反应性化学物质的热危险性评价方法[J].中国安全科学学报，2003(4):47-50.SUN J H,LU S X,SUN Z H.Thermal risk assessment method of self-reactive chemical substances[J].Chinese Safety Science Journal,2003(4):47-50.
• [19] YU Y H,KAZUTOSHI H.Derivation the self-accelerating decomposition temperature for self-reactive substances using isothermal calorimetry[J].Journal of Hazardous Materials,1993,6(3):183-193.
• [20] 赵凤起，胡荣祖，高红旭.三基发射药M32和SD的热安全性[J].含能材料，2008(5):490-493.ZHAO F Q,HU R Z,GAO H X.Thermal safety of three-base propellant M32 and SD [J].Chinese Journal of Energetic Materials,2008(5):490-493.
• [21] 王鹏，杜志明.化学放热系统热爆炸临界值的随机性[J].安全与环境学报，2007(1):115-118.WANG P,DU Z M.The randomness of the thermal explosion critical value of a chemical exothermic system[J].Journal of Safety and Environment,2007(1):115-118.
• [22] 桂继昌，李洪伟，李永信，等.复合乳化剂制备重铵油炸药的热稳定性分析[J].工程爆破，2020,26(4):74-80.GUI J C,LI H W,LI Y X,et al.Thermal stability analysis of heavy ANFO prepared by compound emulsifiers[J].Engineering Blasting,2020,26(4):74-80.
• [23] 梅辉辉，曹雄.热爆炸理论在硝酸铵水溶液热安全性研究中的应用[J].安全与环境工程，2012,19(2):128-131.MEI H H,CAO X.The application of thermal explosion theory in the study of thermal safety of ammonium nitrate aqueous solution[J].Safety and Environmental Engineering,2012,19(2):128-131.