[1]余德运,谢烽,王旭耀.ANFO在炮孔中的殉爆起爆试验研究[J].爆破器材,2020,49(05):59-64.[doi:10.3969/j.issn.1001-8352.2020.05.011]
　YU Deyun,XIE Feng,WANG Xuyao.Experimental Study on Sympathetic Detonation of ANFO in Hole[J].EXPLOSIVE MATERIALS,2020,49(05):59-64.[doi:10.3969/j.issn.1001-8352.2020.05.011]
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ANFO在炮孔中的殉爆起爆试验研究()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
49
期数:
2020年05
页码:
59-64
栏目:
爆破技术
出版日期:
2020-10-05

文章信息/Info

Title:
Experimental Study on Sympathetic Detonation of ANFO in Hole
文章编号:
5458
作者:
余德运; 谢烽; 王旭耀
北方爆破科技有限公司(北京,100097)
Author(s):
YU Deyun;  XIE Feng;  WANG Xuyao
North Blasting Technology Co, Ltd. (Beijing, 100097)
关键词:
ANFO;  殉爆; 爆轰速度; 空气间隔
Keywords:
ANFO;  sympathetic detonation;  velocity of detonation;  air-deck
分类号:
TD235.2; TJ510.3+6; TQ563
DOI:
10.3969/j.issn.1001-8352.2020.05.011
文献标志码:
A
摘要:
为了检验空气间隔装药结构中，现场混装铵油炸药(ANFO)主发装药段殉爆被发装药段的可行性和可靠性，设计了殉爆检验和试验方法，进行了5次共36个孔内ANFO殉爆试验，并测试了6个孔径为311 mm的孔内ANFO爆速。结果表明：沙漠地区某露天矿干燥钙质硅酸盐和覆盖砂层台阶爆破时，空气分段间隔装药中，上部装药段可以不设起爆体，直接利用底部装药段殉爆起爆，且孔径311 mm的炮孔比孔径165 mm的炮孔殉爆距离更大；被殉爆的上部装药段的爆速比底部装药段低，且随空气间隔长度的增大而降低；与常规分段起爆相比，采用殉爆起爆，没有放置上部装药段起爆体的工序，从而提高装药效率，节省起爆体成本。
Abstract:
In order to test the feasibility and reliability of ANFO main charge detonating charged charge in the air-deck charging structure, a test and verified method of sympathetic detonation of ANFO in hole was designed. 36 holes in design were tested for 5 times and detonation velocity of ANFO in 6 holes with diameter of 311 mm were measured. The results show that, during a dry calcareous silicate and sand covered bench blasting at an open-pit mine in the desert, the main charge could detonate the nearby charge without primer. Compared with 165 mm, the sympathetic detonation distance would be longer for 311 mm in diameter. The detonation velocity of charged charge is lower than that of the main charge, and the detonation velocity decreased as the air gap prolongs. Compared with the normal independent detonation, the sympathetic detonation would be more efficient and economic. The process of placing the upper charging section initiator is unnecessary, so as to improve the charging efficiency and save the cost of the initiator.

参考文献/References:

［1］MELNIKOV N V. Charge construction influence on explosion operations efficiency［R］. Reports of the YI science symposium on drilling, explosives, explosion operations and study of physical and mechanical properties of rocks. USA, Gosgortekhizdat：Rolla, 1962.

［2］MELNIKOV N V,MARCHENKOV L N. Effective methods of application of explosion energy in mining and construction［C］//The 12th US Symposium on Rock Mechanics. New York: AIME, 1971: 359-378.
［3］PAL R P, SINGH R B, MONDAL S K. Air-deck blasting in opencast mines using low cost wooden spacers for efficient utilisation of explosive energy［J］. Journal of Mines, Metals & Fuels, 1995,43(8): 5-15.
［4］MOXON N T, MEAD D, RICHARDSON S B. Air-decked blasting techniques: some collaborative experiments［J］. Transactions of the Institution of Mining & Metallurgy, Section A: Mining Industry,1993,102: A25-A30.
［5］张国建, 周百川，张大宁，等. 应用底部间隔装药爆破技术提高石灰石矿块矿率［J］. 中国矿业,1995, 4 (6): 22-26.
ZHANG G J,ZHOU B C，ZHANG D N, et al. Increasing limestone lump rate by bottom broken charge blasting［J］. China Mining Magazine, 1995, 4 (6): 22-26.
［6］刘颖歆. 空气间隔装药在铜绿山矿深孔爆破中的应用［J］.爆破, 1998, 15(2): 55-58,89.
LIU Y X. Application of air interval charge in underground borehole blasting of Tonglushan Delafossite Mine ［J］.Blating, 1998, 15(2):55-58,89.
［7］陈庆凯，夏亚伟，刘占富，等. 约束条件对乳化炸药殉爆距离影响的研究［J］. 矿业研究与开发,2017,37(1):45-49.
CHEN Q K，XIA Y W，LIU Z F, et al. The effect of constraint conditions on the gap distance of emulsion explosives ［J］. Mining Research and Development, 2017, 37(1):45-49.
［8］叶海旺，农冬灵，赵明生，等. 混装乳化炸药水孔装药数值模拟及试验研究［J］. 爆破, 2011,28(4):11-14.
YE H W，NONG D L，ZHAO M S, et al. Numerical simulation and experimental study on emulsion explosive charge in waterfilled hole［J］. Blasting, 2011, 28(4):11-14.
［9］吴国群. Micro-Trap孔内爆速测试系统在铁矿山中的应用［J］. 露天采矿技术, 2017, 32(6):59-62.WU G Q. Application of Micro-Trap testing system in -iron- mine ［J］. Opencast Mining Technology, 2017, 32(6):59-62.
［10］朱宽，曹进军,郝亚飞，等. 对影响现场混装乳化炸药孔内爆速因素的探究［J］. 爆破，2016, 33(4):118-122.
ZHU K，CAO J J，HAO Y F, et al. Research on influence factor of in-hole detonation velocity of mixed loading emulsion explosive［J］. Blasting, 2016, 33(4):118-122.

备注/Memo

备注/Memo:
收稿日期：2020-03-01
第一作者：余德运（1981－），博士，高级工程师，主要从事爆破安全技术及数值仿真计算研究。E-mail:yudeyun2000@163.com
更新日期/Last Update: 2020-10-05