A Test to Measure the Minimum Burning Pressure of Water-Based Commercial Ezplosives and Their Precursors
Pumping water-based explosives and their precursors can be very hazardous, as demonstrated by a number of pump accidents around the globe in the last decades, including some fatalities. In Canada, this has led to the development of pumping guidelines that were endorsed by both the explosives industry and the Canadian government. In these guidelines it was noted that the minimum burning pressures (MBP) measured in a laboratory would provide a good guide to the behaviour of these products in pumping systems. It was also mentioned that pump systems should be designed, whenever possible, to prevent pump pressures from exceeding the MBP of the product being pumped. At the time these guidelines were published, although a methodology existed for measuring such MBP values, it had never been validated to measure the MBP of ammonium nitrate water-based emulsions (AWEs) which are now used much more widely than any other water-based explosives and precursors in on-site bulk loading operations. In the last few years, research has been ongoing at the Canadian Explosives Research Laboratory to develop a validated testing protocol to measure representative MBP values for AWEs and to understand the many effects that can complicate the interpretation of the test outcomes. The test, as it is performed today, will be described and the critical components will be justified by reference to recent published data. Results of MBP measurements, for a range of AWE products, will be presented. Inclusion of the test in future standards for the authorization of high explosives in Canada will also be discussed.
commercial ezplosives water-based ezplosives ammonium nitrate minimum burning pressure combustion
TURCOTTE Richard FENG Hongtu BADEEN Christopher GOLDTHORP Sandra JOHNSON Cassandra CHAN Sek Kwan
Canadian Explosives Research Laboratory, Ottawa, ON, Canada Orica Canada Inc., Brownsburg-Chatam, QC, Canada
国际会议
2009 International Autumn Seminar on Propellants,Ezplosives and Pyrotechnics(2009国际推进剂、炸药、烟火技术秋季研讨会)
昆明
英文
1-6
2009-09-22（万方平台首次上网日期，不代表论文的发表时间）