Low-detonation velocity anfo explosive and preparation method thereof
A technology of explosives and fast ammonium, applied in explosives and other directions, can solve the problems of high density and high detonation speed, and achieve the effect of low density, low detonation speed, and convenient charging of blast holes
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Embodiment 1
[0027] The formula for industrial production of 100Kg low detonation velocity ammonium oil explosives is: modified powdery ammonium oil explosives 82Kg, porous granular ammonium nitrate 15Kg, polystyrene foam microspheres 2.5Kg. Among them, the formula of the modified powdery ammonium oil explosive is: crystalline ammonium nitrate 78.72Kg, sodium dodecylbenzene sulfonate 0.25Kg, composite oil phase 3.03Kg; the formula of the composite oil phase is paraffin 2.12Kg, rosin 0.85Kg, Span-80 emulsifier 0.06Kg.
[0028] Concrete preparation steps are as follows:
[0029] The first step: Weigh 2.12Kg of paraffin, 0.85Kg of rosin, and 0.06Kg of Span-80 emulsifier, and mix and melt at a temperature of 95°C to prepare a composite oil phase material;
[0030] The second step: Weigh 78.72Kg of crystalline ammonium nitrate and 0.25Kg of sodium dodecylbenzene sulfonate, mix and pulverize them, dry them at a temperature of 110°C until the water content is less than 0.3%, and then finely crus...
Embodiment 2
[0036] The formula for industrial production of 100Kg low-detonation-velocity ammonium oil explosives is: 88Kg of modified powdery ammonium oil explosives, 10Kg of porous granular ammonium nitrate, and 2Kg of polystyrene foam microspheres. Among them, the formula of the modified powdery ammonium oil explosive is: crystalline ammonium nitrate 84.66Kg, sodium dodecyl sulfonate 0.26Kg, composite oil phase 3.08Kg; the formula of the composite oil phase is paraffin wax 2.16Kg, rosin 0.86Kg, Pan-80 emulsifier 0.06Kg.
[0037] The preparation method of low detonation velocity ammonium oil explosive is:
[0038] The first step: Weigh 2.16Kg of paraffin, 0.86Kg of rosin, and 0.06Kg of Span-80 emulsifier, and mix and melt at a temperature of 90°C to prepare a composite oil phase material;
[0039] Step 2: Weigh 84.66Kg of crystalline ammonium nitrate and 0.26Kg of sodium dodecylsulfonate, mix and pulverize, dry at 120°C until the water content is less than 0.3%, and then finely crush u...
Embodiment 3
[0044] The formula for industrial production of 100Kg low-detonation-velocity ammonium oil explosives is: 77Kg of modified powdery ammonium oil explosives, 20Kg of porous granular ammonium nitrate, and 3Kg of polystyrene foam microspheres. Among them, the formula of the modified powdery ammonium oil explosive is: crystalline ammonium nitrate 74.54Kg, sodium dodecylbenzene sulfonate 0.15Kg, composite oil phase 2.31Kg; the formula of the composite oil phase is paraffin 1.71Kg, rosin 0.58Kg, Span-80 emulsifier 0.02Kg.
[0045] According to the above-mentioned components, the preparation process steps are as follows:
[0046]The first step: weigh 1.71Kg of paraffin, 0.58Kg of rosin, and 0.02Kg of Span-80 emulsifier, and mix and melt at a temperature of 100°C to prepare a composite oil phase material;
[0047] The second step: Weigh 74.54Kg of crystalline ammonium nitrate and 0.15Kg of sodium dodecylbenzene sulfonate, mix and pulverize them, dry them at a temperature of 120°C unti...
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