C - Chemistry – Metallurgy – 06 – B
Patent
C - Chemistry, Metallurgy
06
B
C06B 31/30 (2006.01) C06B 21/00 (2006.01) C06B 23/00 (2006.01) C06B 31/28 (2006.01) C06B 47/14 (2006.01)
Patent
CA 2514572
An explosive composition is provided that is comprised of a HeavyANFO and grain hulls. In one embodiment, the grain hulls are com prised of rice hulls. The grain hulls serve both as an inert bulking additive that reduces the density of the composition and as asensitizer that reduces the energy needed to reliably detonate t he composition. Also provided is a method for manufacturing an explosive composition comprised of Heavy ANFO and grain hulls, suchas rice hulls. Additionally, a method of using an explosive comp rised of ANFO and grain hulls in a mining operation is disclosed.
L'invention concerne une composition explosive contenant de l'ANFO lourd ainsi que des bractées de grain. Dans l'un des modes de réalisation, les bractées de grain comprennent des écorces de riz. Les bractées de riz servent à la fois d'additif gonflant inerte réduisant la densité de la composition et de sensibilisateur réduisant l'énergie nécessaire à une détonation fiable de la composition. L'invention concerne également un procédé de fabrication d'une composition explosive contenant de l'ANFO lourd et des bractées de grain, telles que des écorces de riz. L'invention concerne enfin un procédé d'utilisation d'un explosif contenant de l'ANFO et des bractées de grain dans une opération de minage.
Johnson Ernest Peter
Waldock Kevin H.
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