RU2007132150A - MARKED EMULSION EXPLOSIVE COMPOSITION AND METHOD FOR PRODUCING IT (OPTIONS) - Google Patents

Claims (13)

1. Emulsion explosive composition, comprising a dispersion of the oxidizing phase from an aqueous solution of oxygen-supplying inorganic salts or a mixture of several of them, or a salt flame arrester, or an inhibitor of the reaction between an emulsion explosive composition and sulfide-containing rocks, in a combustible phase from liquid hydrocarbons, emulsion stabilizers and emulsifiers - compounds of the class of esters of fatty acids and polyhydric alcohols or amino derivatives of fatty acids, or carboxylic acid anhydrides with a length of native chain of up to 60 atoms, or their amino derivatives, or a mixed emulsifying composition and a solid phase from ammonium nitrate granules or energy additives from metal powder or their alloys, or blasting explosives of the class of nitro derivatives of toluene, nitramines, or nitroesters, or gunpowders, and a sensitizer - solid porous particles or aqueous solutions of reagents - blowing agents, characterized in that the composition further comprises a marker additive selected from the number of nitro derivatives of saturated hydrocarbon isomers, or tropro-derivatives of the aromatic series in an amount of 0.05 ÷ 3.0% by weight of the composition, with the following ratios of the constituents included in the dispersion, wt.%: oxidative phase from an aqueous solution inorganic oxygen supply salts or mixtures of several of them 60.0 ÷ 94.0 the environment of the combustible phase from liquid hydrocarbons, emulsion stabilizers and emulsifiers 4,5 ÷ 16,0 sensitizer - solid porous particles or aqueous solutions of blowing agents 0.5 ÷ 10.0 2. The emulsion explosive composition according to claim 1, characterized in that as the oxygen supplying salt, it contains ammonium nitrate in an amount of 38 ÷ 90%. 3. The emulsion explosive composition according to claim 1, characterized in that, as the oxygen supplying salt, it contains a mixture of ammonium nitrate with sodium or calcium nitrate, the mass fraction of which is 3 ÷ 18%. 4. The emulsion explosive composition according to claim 1, characterized in that the oxidizing phase further comprises a flame arrester salt of sodium or potassium chlorides in an amount of 0.5 ÷ 7.0% or an inhibitor of the reaction between the emulsion explosive composition and sulfide-containing rocks from urea or urotropin in an amount of 0.5 ÷ 5.0%. 5. The emulsion explosive composition according to claim 1, characterized in that the oxidizing phase from an aqueous solution of an oxygen-supplying inorganic salt or a mixture of several of them contains 10-21% water. 6. The emulsion explosive composition according to claim 1, characterized in that it further comprises 10 ÷ 80% of the solid phase from the granules of ammonium nitrate. 7. The emulsion explosive composition according to claim 1, characterized in that it further comprises energy additives from aluminum powders, or ferrosilicon aluminum, or ferrosilicon in an amount of 2 ÷ 12%. 8. The emulsion explosive composition according to claim 1, characterized in that the combustible phase includes industrial oil 4 ÷ 12% or its mixture with an emulsion stabilizer selected from paraffin, or petrolatum, or bitumen, or polyisobutylene, which is introduced into the combustible phase in the amount of 0.2 ÷ 6.0%. 9. The emulsion explosive composition according to claim 1, characterized in that the sensitizer of solid porous particles is represented by microspheres of glass, or polymer, or perlite sand, taken in an amount of 1.2 ÷ 10.0%, and the sensitizer from aqueous solutions of reagents gas-forming agents is represented by a solution of sodium nitrite in a concentration of 5 ÷ 15%, taken in an amount of 0.5 ÷ 2.5%, or a mixture of a solution of sodium nitrite with a solution of formaldehyde in a concentration of 20 ÷ 30%, taken in a ratio of 1: 3 by weight. 10. The emulsion explosive composition according to claim 1, characterized in that the emulsifier as compounds of the class of esters of fatty acids and polyhydric alcohols contains esters of fatty acids of fractions C ₁₂ -C ₁₆ or C ₁₇ -C ₂₅ with polyhydric alcohols selected from pentaryerite , glycerol, polyglycerol, sorbitol, or amino derivatives of these acids or carboxylic acid anhydrides with a carbon chain of up to 60 atoms represented by alkenyl- (polyisobutylene) succinic anhydride or its amino derivative obtained by condensation with alkanolamine, p preferably triethanolamine, polyamine, or a mixed emulsifying composition comprising a fatty acid ester with a polyhydric alcohol of pentaerythritol, glycerol, polyglycerol, sorbitol and alkenyl (polyisobutylene) succinic anhydride or its amine derivative, taken in an amount of 0.5-4, 0% by weight of the composition. 11. Emulsion explosive composition of claim 1, characterized in that it contains from 5 to 50% of blasting explosives - TNT, or RDX, or PETN, or gunpowder. 12. The emulsion explosive composition according to claim 1, characterized in that as an additive marker contains paramononitrotoluene or dimethyldinitrobutane. 13. A method for producing an emulsion explosive composition according to any one of claims 1-12, comprising preparing at a temperature of 70 ÷ 95 ° C a dispersion of the oxidizing phase from an aqueous solution of an oxygen-supplying inorganic salt or a mixture of several of them or a flame arrestor salt, or an inhibitor of the reaction between emulsion explosive composition and sulfide-containing rocks in a combustible phase from liquid hydrocarbons, emulsion stabilizers and emulsifiers, mixing the resulting emulsion with a solid phase from ammonium nitrate granules because with an energy additive from powders of metals or their alloys, or blasting explosives or gunpowder and a sensitizer of solid porous particles, or from aqueous solutions of blowing agents, characterized in that the marker additive is introduced at the stage of preparation of the combustible phase medium by mixing with liquid hydrocarbons, either dosed directly into the apparatus for receiving the emulsion, or - in the form of a mixture with an emulsifier or emulsifying composition, which is obtained during their production, or dosed into the emulsion stream and the outlet of the apparatus form an emulsion, or metered to the mixer while stirring the emulsion with a solid phase from the granules of ammonium nitrate or energetic additives of metal powders or of high explosives, or sensitizers of solid porous particles, or from aqueous solutions of reagents blowing agents.