Anfo explosives anfo explosive is a widely used explosive mixture. Anfo, emulsion and heavy anfo blends useful explosive. Explosives engineering home institute of explosives. Distributed quarterly to all members of the institute of explosives engineers. See explosive explosive, substance that undergoes decomposition or combustion with great rapidity, evolving much. In 1955 it was discovered that mixtures of ammonium nitrate and fine coal dust would give very satisfactory blasting results in the large about 22. O senatel powerpac e um explosivo encartuchado resistente a humidade. Anfo 20 or anfo, for ammonium nitrate fuel oil is a widely used explosive mixture. Anfo explosive a versatile solution ammonium nitrate is an adaptable oxidizer that works well when explosions are needed during mining or quarrying operations. May 04, 2010 an being oxygen positive, is often used as oxygen supplier in addition to being an explosive base. As it can be seen in the sem images in figure 1, typical ammonium. Explosives anfo ammonium nitrate fuel oil on 10 november 2009 international troops and afghan police seized 250 tons of ammonium nitrate fertilizer in the southern city of kandahar.
Anfo description anfo is a free flowing loose poured mixture of porous prilled ammonium nitrate nitropril and fuel oil fo, formulated to be oxygen balanced for use in dry blastholes. Anfo composition ranging from 1 to 10 percent pct fuel oil have been studied. When combined with fuel oil, it makes an effective explosive that has a wide range of applications. Surface microstructure of the porous ammonium nitrate granules of type extra. Open cut coal, open cut metal, quarry, construction product type. Anfo or ammonium nitratefuel oil is a widely used bulk industrial explosive mixture in mines and quarry operation.
Rowland iii and richard mainiero abstract for many years there have been small scale tests available for evaluating the toxic fumes production by capsensitive explosives dot class 1. It consists of 94% porous prilled ammonium nitrate nh 4 no 3 an, which acts as the oxidizing agent and absorbent for the fuel, and 6% number 2 fuel oil fo. Aluminum powder influence on anfo detonation parameters 281 figure 1. Download as ppt, pdf, txt or read online from scribd. Explosivos a granel explosivos y accesorios nuestras ofertas. Anfo is suitable for most dry blasting applications. See explosive explosive, substance that undergoes decomposition or combustion with great rapidity, evolving much heat and producing a large volume of gas. Anfo has found wide use in coal mining, quarrying, metal mining, and civil construction in undemanding applications where the advantages of anfos low cost and ease of use matter more than the benefits offered by conventional industrial explosives, such as water resistance, high detonation velocity, and performance in small diameters. There are hundreds of different explosives, with no universally accepted system for classifying them. Scribd is the worlds largest social reading and publishing site. Head to the nearest chemistpharmacy, go up to the counter and ask for 6% peroxide, the person will take you to where it is. Low groundbreaking power explosive specially designed for controlled blasting works in tunneling, which is necessary to obtain a smooth perimeter with minimal overexcavation. As expected from previous studies, with an increase in fuel oil content the carbon monoxide production increases, while nitric oxide and nitrogen dioxide production decrease. Aluminum powder influence on anfo detonation parameters.
It consists of 94% porous prilled ammonium nitrate nh 4 no 3 an, which acts as the oxidizing agent and absorbent for the fuel, and 6% number 2 fuel oil fo anfo has found wide use in coal mining, quarrying, metal mining, and civil construction. Analysis and trends anfo can be used as a main charge but requires a booster for detonation requires umilled porous prills of an because are less dense and retain moisture better improvisation of pure an is not difficult. Anfo, emulsion and heavy anfo blends useful explosive and. Anfo under most conditions is considered a high explosive. An being oxygen positive, is often used as oxygen supplier in addition to being an explosive base. Anfo explosives are very popular among the terrorists due to their simplicity of. It forms the explosive base in anfo ammonium nitrate fuel oil explosives,which are now widely used. Introduction to explosives for official use only anfo ammonium nitrate and fuel oil. Explosivo anfo pdf hochzeitsmarsch lohengrin pdf complete. Anfo or anfo, for ammonium nitratefuel oil is a widely used bulk industrial explosive. Anfo explosives are very popular among the terrorists due to their simplicity of preparation. The sem images ad were obtained at magnification 50x, 100x, 100x, and 500 times respectively. Anfo eller anfo fran engelska ammonium nitratefuel oil ar ett sprangamne som bestar av ammoniumnitratkorn, klumpforebyggande medel, och en mindre.
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