[1]孙德勇.关于提高改性铵油炸药深孔爆破效果的研究探讨[J].爆破器材,2009,38(03):12-14.
　SUN Deyong.Discussion on Improving the Deep-hole Blasting Effect of Modified ANFO[J].EXPLOSIVE MATERIALS,2009,38(03):12-14.
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关于提高改性铵油炸药深孔爆破效果的研究探讨()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
38
期数:
2009年03
页码:
12-14
栏目:
爆炸材料
出版日期:
2009-06-20

文章信息/Info

Title:
Discussion on Improving the Deep-hole Blasting Effect of Modified ANFO
文章编号:
4149
作者:
孙德勇
（湖南南岭民用爆破器材股份有限公司，湖南永州425202）
Author(s):
SUN Deyong
Hu’nan Nanling Industrial Explosive Materials Co.,Ltd.( Hu’nan Yongzhou,425202)
关键词:
改性铵油炸药; 装药密度; 木粉; 珍珠岩; 膨化硝铵炸药; 爆破效果
Keywords:
Modified ANFO;  charge density;  wood powder;  perlite;  expanded ammonium nitrate explosive;  blasting effect
分类号:
T235.21
文献标志码:
A
摘要:
改性铵油炸药装药密度大，在深孔爆破中容易出现“压死”现象。文中采用调整木粉细度和配比，外加一定量珍珠岩和一定量的膨化硝铵炸药等方案来降低装药密度。研究表明，调整木粉的细度及比例（3%～5%）对改善改性铵油炸药装药密度影响较小；外加1.0%～1.5%珍珠岩能有效降低装药密度，加入一定量的珍珠岩对炸药生产制备过程比较安全可靠；外加一定量（20%～30%）的膨化硝铵炸药能显著降低装药密度，加入比例越大（50%）效果越明显，同时能有效提高产品起爆感度。通过改进爆破使用方法，可有效提高改性铵油炸药深孔爆破使用效果。
Abstract:
Due to the large charge density of modified ANFO, the phenomenon of dead pressed is prone to in the deephole blasting. The experimental research to reduce the charge density by adjusting the fineness and proportion of wood powder; adding a certain amount of perlite or expanded ammonium nitrate explosive, and so on, was carried out in this paper. Results show that adjusting the fineness of the wood and proportion (3% ~ 5%) has little influence on the charge density of ANFO, while adding 1 percent to 1.5 percent of perlite can effectively reduce the charge density with good safe reliability in the explosive production. And adding a certain amount(20%~30%)of the expanded ammonium nitrate explosive could significantly reduce the charge density, the greater the proportion of accession (50%), the more obvious effect, and at the same time it could effectively improve product initiation sensitivity. By improving the use of blasting methods it can also improving the deephole blasting effect of modified ANFO.

参考文献/References:

［1］田厚建，等.实用爆破技术［M］.北京:解放军出版社,1999.29.［2］汪旭光.乳化炸药［M］.北京:冶金工业出版社,2008.108.［3］吕春绪，等.膨化硝铵炸药［M］.北京:兵器工业出版社,2000.245.［4］黄寅生.爆破技术［M］.哈尔滨：黑龙江科学技术出版社,2002.59.

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备注/Memo

备注/Memo:
收稿日期：2008-11-10 作者简介：孙德勇(1964~)，男，工程师。从事无梯粉状炸药、煤矿乳化炸药等课题研究。
更新日期/Last Update: 2011-05-23