Gas generator
A technology of gas generator and gas generating agent, which is applied in the generation of compressed gas, ammonium perchlorate composition, attack equipment, etc., and can solve the problems of filter power loss, large size and weight of gas generator, and failure of gas generator and other issues to achieve the effect of avoiding impact and failure, improving filtration efficiency and reducing output slope
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[0091] The preparation method of the gas generating agent composition of the present invention can be prepared by wet granulation, spray granulation or dry granulation. Among them, spray granulation or dry granulation can use traditional granulation technology.
[0092] The specific preparation method of wet granulation includes the following steps:
[0093] (1) Mix guanidine nitrate, basic copper nitrate, strontium nitrate, ammonium perchlorate and slag forming agent to obtain the first material; mix in the mixing equipment, the mixing time is ≥5min; the mixing equipment can be V-type mixing Machine, three-dimensional multi-directional motion mixer, automatic lifting hopper mixer, vibration mill, ribbon mixer or acoustic resonance mixer.
[0094] (2) Add water to the first material for wet mixing to obtain the second material. The time for wet mixing is 20min-60min; the amount of water added is 8%-15% of the total mass of the first material; distilled water is preferably added. Th...
Example Embodiment
[0119] Example 1
[0120] The gas generating agent composition contains the following components in mass percentage content:
[0121] Guanidine nitrate 40%
[0122] Basic copper nitrate 42.75%
[0123] Strontium nitrate 8%
[0124] Ammonium perchlorate 3%
[0125] Barium zirconate 5.5%
[0126] Talc 0.75%
[0127] After these components are weighed, they are pressed into a disc with a diameter of 5mm and a thickness of 1.9mm by wet granulation and a rotary tablet press. The specific preparation method is: guanidine nitrate, basic copper nitrate, strontium nitrate, ammonium perchlorate The first material is mixed with barium zirconate through the mixing equipment; the first material is added to 15% distilled water for wet kneading for 60 minutes to obtain the second material, and the second material is passed through a 40-mesh screen to obtain the third material; The three materials are dried until the moisture content is less than 0.5% of the total mass of the third material, and the fou...
Example Embodiment
[0143] Example 2
[0144] The gas generating agent composition contains the following components in mass percentage content:
[0145] Guanidine nitrate 50%
[0146] Basic copper nitrate 41.5%
[0147] Strontium nitrate 1.5%
[0148] Ammonium perchlorate 2%
[0149] Strontium zirconate 4%
[0150] Talc 1%
[0151] After these components are weighed, they are pressed into a disc with a diameter of 5mm and a thickness of 1.9mm by wet granulation and a rotary tablet press. The specific preparation method is: guanidine nitrate, basic copper nitrate, strontium nitrate, ammonium perchlorate After mixing with strontium zirconate and talc powder through mixing equipment, the first material is obtained; the first material is added to 10% distilled water for wet kneading for 50 minutes to obtain the second material, and the second material is passed through a 35 mesh screen to obtain the third material ; Dry the third material until the moisture content is less than 0.5% of the total mass of the th...
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