High-temperature-sensitized emulsion explosive and preparation method thereof
A technology of emulsified explosives and high temperature, which is applied in the direction of explosives processing equipment, explosives, non-explosive/non-thermal agent components, etc. It can solve the problems of uneven density of latex matrix, fast decay of explosive performance, untimely dispersion, etc., and achieve accelerated production automation Integrating with information technology, slowing the decay of explosive performance, and improving the effect of product quality
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Embodiment 1
[0034] High temperature sensitized emulsion explosive, the explosive is prepared from the following raw materials in parts by weight: 75 parts of ammonium nitrate, 8 parts of sodium nitrate, 9 parts of water, integrated oil phase (paraffin: engine oil: vaseline: microcrystalline wax=20:30:45: 5) 5 parts, 1 part of sensitizer. The explosive with the above components is suitable for blasting No. 1 rock.
[0035] The preparation method is: (1) Water phase solution preparation: according to the formula ratio, when using liquid ammonium nitrate (mass concentration 91%, pH4), the liquid ammonium nitrate is pumped into the water phase preparation tank using a delivery pump, and water is added to dilute and stir , then adding sodium nitrate, heating to a temperature of 90°C-100°C while adding, keeping warm and stopping the reaction to obtain an aqueous phase solution;
[0036] (2) Preparation of oil phase solution: weigh the integrated oil phase and add it to the oil phase wax meltin...
Embodiment 2
[0040] High-temperature sensitized emulsion explosive, which is prepared from the following raw materials in parts by weight: 72 parts of ammonium nitrate, 10 parts of sodium nitrate, 10 parts of water, 6 parts of integrated oil phase, and 1.5 parts of sensitizer. The explosive with the above components is suitable for blasting No. 2 rock. The preparation method is the same as in Example 1.
Embodiment 3
[0042] High-temperature sensitized emulsion explosive, which is prepared from the following raw materials in parts by weight: 70 parts of ammonium nitrate, 10 parts of sodium nitrate, 2 parts of potassium chloride, 11 parts of water, 5.5 parts of integrated oil phase, and 2 parts of sensitizer. The explosives with the above components are suitable for blasting primary coal.
[0043] The preparation method is as follows: (1) When solid ammonium nitrate is used, firstly, the water is automatically quantitatively added to the water phase tank according to the formula ratio through the flow meter, and the steam is turned on (the steam pressure does not exceed 0.25MPa) to heat the water. When the temperature rises to 65°C When the crushed ammonium nitrate is sent to the water phase tank, when the temperature of the reaction solution is >75°C, start stirring and add sodium nitrate and potassium chloride, and continue heating to 95°C to stop heating and enter the automatic heat preser...
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