A kind of primer for detonator assembly and preparation method thereof
A detonator and detonator technology, applied in the field of explosives, can solve the problems of explosion, unsafe use process, high sensitivity, etc., and achieve the effects of stable detonation transmission performance, reduced detonation sensitivity, and good compatibility
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[0026] The present invention also provides a method for preparing the detonator assembly primer described in the above technical solution, comprising the following steps:
[0027] (1) ammonium perchlorate is mixed with water, and heating obtains ammonium perchlorate saturated mother liquor;
[0028] (2) at the heating temperature of the step (1), the ammonium perchlorate saturated mother liquor is mixed with superfine hexogen, ammonium perchlorate, antimony sulfide and graphite to obtain a suspension;
[0029] (3) Under the heating temperature of the step (1), the suspension is mixed with shellac for granulation to obtain the primer for detonator assembly.
[0030] The ammonium perchlorate of the present invention is mixed with water, and heated to obtain ammonium perchlorate (AP) saturated mother liquor. In the present invention, the mass of water in the ammonium perchlorate (AP) saturated mother liquor is preferably 1.35 to 1.45 times the mass of ammonium perchlorate (AP), ...
Embodiment 1
[0042] (1) Put 40kg ammonium perchlorate AP into 58kg water, heat up to 80°C, stir for 15min to obtain ammonium perchlorate AP saturated mother liquor;
[0043] (2) In the ammonium perchlorate AP saturated mother liquor of 80 DEG C, add the ultra-fine hexogen of 20.29kg, the ammonium perchlorate AP of 16.23kg, the antimony sulfide of 12.18kg and the graphite of 50g, stir to obtain suspension;
[0044] (3) open vacuum system (vacuum tightness is 0.02MPa), the ethanol shellac binder solution of 12.5kg (concentration is 10wt%) is added dropwise to above-mentioned suspension with the speed of 15ml / min and granulates, by Sampling observes the speed that the ethanol shellac solution is added by controlling the gray-black particle size, the faster the ethanol shellac solution adds, the larger the particle size of the gray-black particles;
[0045] (4) control the adding rate of ethanol shellac solution, when making gray black particle size reach 0.85mm, make mixed solution remain on ...
Embodiment 2
[0050] (1) Put 40kg of ammonium perchlorate AP into 57.6kg of water, heat up to 80°C, stir for 16min to obtain ammonium perchlorate AP saturated mother liquor;
[0051] (2) In the ammonium perchlorate AP saturated mother liquor of 80 ℃, add 20.40kg of ultra-fine hexogen, the ammonium perchlorate AP of 16.32kg, the antimony sulfide of 12.23kg and the graphite of 40g, stir to obtain suspension;
[0052] (3) Open vacuum system (vacuum tightness is 0.025MPa), the ethanol shellac binder solution of 10kg (concentration is 10wt%) is added dropwise to above-mentioned suspension with the speed of 12ml / min and carries out granulation, observes by sampling The gray-black particle size controls the rate at which the ethanol shellac solution is added, and the faster the ethanol shellac solution is added, the larger the particle size of the gray-black particles;
[0053] (4) control the addition rate of ethanol shellac solution, when making gray black particle size reach 1.00mm, make mixed ...
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