Effects of typical additives on the anti-explosion performance of ammonium nitrate

Wu Qiu-jie; Tan Liu; Xu Sen; Liu Da-bin

doi:10.11883/1001-1455(2015)06-0825-07

Volume 35 Issue 6

Nov. 2015

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Wu Qiu-jie, Tan Liu, Xu Sen, Liu Da-bin. Effects of typical additives on the anti-explosion performance of ammonium nitrate[J]. Explosion And Shock Waves, 2015, 35(6): 825-831. doi: 10.11883/1001-1455(2015)06-0825-07

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Wu Qiu-jie, Tan Liu, Xu Sen, Liu Da-bin. Effects of typical additives on the anti-explosion performance of ammonium nitrate[J]. Explosion And Shock Waves, 2015, 35(6): 825-831. doi: 10.11883/1001-1455(2015)06-0825-07

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Effects of typical additives on the anti-explosion performance of ammonium nitrate

doi: 10.11883/1001-1455(2015)06-0825-07

Wu Qiu-jie^{1, 2
,},
Tan Liu¹,
Xu Sen^{1, 2},
Liu Da-bin¹

1.
School of Chemical Engineering, Nanjing University of Scienceand Technology, Nanjing 210094, Jiangsu, China
2.
China National Quality Supervision Testing Center for IndustrialExplosive Materials, Nanjing 210094, Jiangsu, China

Received Date: 2014-05-13
Rev Recd Date: 2014-07-14
Publish Date: 2015-12-10

Abstract

Abstract

Several typical additives were selected and added to ammonium nitrate (AN), and UN gap test was conducted to study the effects of the added amount and mixing method on the anti-explosion performance of AN. Experimental results obtained indicate improvement of certain anti-explosion performance on AN for potassium chlorate (KCl), sodium chloride (NaCl) and monoammonium phosphate (NH₄H₂PO₄) added. When the added amount of KCl is 20% by mechanical mixing or 15% by solution mixing, that of NaCl is 35% or 15%, and that of NH₄H₂PO₄ is 25% or 30%, AN ceases to propagate detonation. As to the chloride additives, solution mixing can mix AN and additives more evenly, thus obtaining better anti-explosion performance. In addition, as the acidity of NH₄H₂PO₄ added to AN by solution mixing could accelerate thermal decomposition, better anti-explosion performance for that is also achieved by mechanical mixing.
- mechanics of explosion,
- anti-explosion performance,
- additives,
- ammonium nitrate

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References(13)

References

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