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High-power class-3 coal mine permissible water-gel explosive and production method thereof

InactiveCN104628497ASatisfy securityMeet the explosive powerExplosivesCross-linkMethylamine nitrate
The invention provides a high-power class-3 coal mine permissible water-gel explosive. The explosive is prepared from the following substances in parts by weight: 25-32 parts of an ammonium nitrate solution having the concentration of 72%-82%, 35-40 parts of a methylamine nitrate solution having the concentration of 83%-86%, 9-15 parts of solid ammonium nitrate, 8-12 parts of sodium nitrate, 0.8-1.5 parts of a gelatinizing agent, 0.1-0.3 part of a cross-linking agent, 2-4 parts of a sensitizer and 5-10 parts of a flame inhibitor, as well as 0.02-0.04 part of a high-performance flame inhibitor. The production method of the explosive comprises the following steps: firstly, preparing the methylamine nitrate solution and the ammonium nitrate solution, then orderly adding the methylamine nitrate solution, the ammonium nitrate solution, the solid ammonium nitrate, the sodium nitrate, the gelatinizing agent, the flame inhibitor, the sensitizer and on the like to a mixing tank, and adjusting the density to the range of 1.05-1.15g / cm<3> and controlling the pH value within the range of 5.0-5.8 after mixing evenly; next, adding the cross-linking agent, thereby obtaining the high-power class-3 coal mine permissible water-gel explosive. The production method of the high-power class-3 coal mine permissible water-gel explosive has the advantages of simple production process and low production cost; the explosive is stable in performance, the coal mine gas safety is high, the explosive capacity is big, and the blasting operation effect is improved.
Owner:淮北矿业控股股份有限公司
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