Study of non-conventional fuels for explosives mixes

Q3 Earth and Planetary Sciences

Rem-Revista Escola De Minas Pub Date : 2014-09-01 DOI:10.1590/S0370-44672014000300009

Salatiel Assis Resende, Valdir Costa e Silva, H. Lima

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引用次数: 6

Abstract

The use of ammonium nitrate and fuel oil (ANFO) results in low cost blasting. Such costs may be further reduced by replacing fuel oil with alternative fuels such as biomass (biodiesel, rice straw, corn cob, sugar cane bagasse) and tires residue. This paper investigates the use of other fuels instead of fuel oil by measuring the detonation velocity (VOD) and verifying the importance of these fuels in an explosive mixture. Except for biodiesel, all the tests conducted for the mixture of ammonium nitrate and alternative fuels showed poor performance when compared with ANFO. The achieved percentage of detonation velocity (VOD) of the mixtures in relation to the ANFO were 55.4% for ammonium nitrate + rice straw, 64.9% for ammonium nitrate + corn cob, 70.1% for ammonium nitrate + sugar cane bagasse, 74.4% for ammonium nitrate + tires residue and 93.7% for ammonium nitrate + biodiesel. This study indicates that the methodology proposed can be applied as a reference for determination and preparation of explosive mixtures of fuel and oxidizing agents since in all the tests conducted the detonation of the charges occurred.

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炸药混合燃料的非常规燃料研究

硝酸铵和燃料油(ANFO)的使用降低了爆破成本。用生物质能(生物柴油、稻秆、玉米芯、甘蔗渣)和轮胎渣等替代燃料代替燃料油，可以进一步降低这种成本。本文通过测量爆速(VOD)来研究其他燃料替代燃料油的使用，并验证这些燃料在爆炸性混合物中的重要性。除生物柴油外，对硝酸铵和替代燃料混合物进行的所有测试与铵油相比都表现出较差的性能。与铵油铵相比，硝酸铵+稻草的爆速达到55.4%，硝酸铵+玉米芯的爆速达到64.9%，硝酸铵+甘蔗渣的爆速达到70.1%，硝酸铵+轮胎渣的爆速达到74.4%，硝酸铵+生物柴油的爆速达到93.7%。这项研究表明，所提出的方法可作为燃料和氧化剂爆炸性混合物的测定和制备的参考，因为在进行的所有试验中都发生了装药的爆轰。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Rem-Revista Escola De Minas 工程技术-工程：土木

自引率

0.00%

发文量

审稿时长

6-12 weeks

期刊介绍： REM – International Engineering Journal (antigua REM – Revista Escola de Minas) es la primera revista técnica de Sudamérica. Fue fundada en enero de 1936 por los estudiantes de la Escuela de Minas de Ouro Preto y desde entonces se ha especializado en la publicación de artículos en las áreas de la Ingeniería Civil, Geología, Metalurgia y Materiales y, Minería y Mecánica y Energía. Su objetivo es servir como un medio de publicación para los trabajos técnicos y científicos originales de investigadores nacionales y extranjeros en esas áreas. Contribuciones originales (artículos y cartas) son aceptadas. Artículos de revisión dependen de la invitación y/o análisis de los Editores. El envío de artículos para su publicación implica que el trabajo no ha sido publicado previamente, que no está siendo presentado para su publicación en otra revista y no se publicará en otro lugar, en la misma forma, sin el permiso, por escrito, de los Editores/Autores.