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Smoke-free and sulfur-free firework oxidant and preparation method thereof

A technology of oxidant and sulfur fireworks, applied in offensive equipment, explosive processing equipment, explosives, etc., to achieve the effect of fewer steps, no discharge of three wastes, and significant economic and social benefits

Pending Publication Date: 2020-04-07
江西吉润花炮新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The smokeless and sulfur-free fireworks oxidant not only retains the effect of the existing fireworks oxidizer, but also produces no irritating gas during use, which meets the needs of the market

Method used

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  • Smoke-free and sulfur-free firework oxidant and preparation method thereof
  • Smoke-free and sulfur-free firework oxidant and preparation method thereof
  • Smoke-free and sulfur-free firework oxidant and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A kind of smokeless and sulfur-free fireworks oxidant, the mass percentage of its components is as follows:

[0027]

[0028] 35g calcium nitrate, 15g magnesium perchlorate and 10g ammonium bicarbonate are added in 150g ethyl acetate (40%) / water mixed solvent, be heated to 65 ℃, continuously stir until solute dissolves and obtain solution A; Under stirring state, Add 8g of guanidine nitrate to 35g of ethanol, keep stirring to obtain solution B; join solution A in solution B, after stirring at 250rpm speed for 20 minutes, obtain mixed solution C; mix 20g cellulose acetate butyrate with 12g manganese dioxide Mix the powder mechanically evenly, add the mixed solution C to it, and continue stirring at a rate of 100rpm while pouring, and continue stirring for 50 minutes after pouring, to obtain a uniform micelle with moderate hardness; the obtained uniform micelle with moderate hardness The solids were granulated with a twin-screw granulator, and vacuum-dried at 60°C for ...

Embodiment 2

[0030] A kind of smokeless and sulfur-free fireworks oxidant, the mass percentage of its components is as follows:

[0031]

[0032] 370g calcium nitrate, 120g magnesium perchlorate and 100g ammonium bicarbonate are added in 1300g ethyl acetate (30%) / water mixed solvent, be heated to 50 ℃, stir continuously until solute dissolves and obtain solution A; Step 3, stirring Under the state, add 100g guanidine nitrate to 350g ethanol, keep stirring, obtain solution B; Add solution A in solution B, after stirring at 200rpm speed for 30 minutes, obtain mixed solution C; Mix 230g cellulose acetate butyrate with 80g The manganese dioxide powder is mechanically mixed evenly, and the mixed solution C is added therein, continuously stirred at a rate of 80 rpm while pouring, and continued to stir for 60 minutes after pouring, to obtain a uniform gelatinous mass with moderate hardness; The uniform micelles are granulated with a twin-screw granulator, and vacuum-dried at 60°C for 12 hours ...

Embodiment 3

[0034] A kind of smokeless and sulfur-free fireworks oxidant, the mass percentage of its components is as follows:

[0035]

[0036]

[0037] Add 4kg of calcium nitrate, 1.1kg of magnesium perchlorate and 0.5kg of ammonium bicarbonate into 18kg of ethyl acetate (50%) / water mixed solvent, heat to 80°C, and stir continuously until the solute dissolves to obtain solution A; Next, add 1 kg of guanidine nitrate to 3 kg of ethanol and continue to stir to obtain solution B; add solution A to solution B and stir at 300 rpm for 15 minutes to obtain mixed solution C; mix 2.5 kg of cellulose acetate butyrate with 0.9 kg of manganese dioxide powder is mechanically mixed evenly, and the mixed solution C is added therein, and continuously stirred at a rate of 120rpm while pouring, and continued to stir for 60 minutes after pouring, to obtain a uniform gelatinous mass with moderate hardness; The uniform micelles were granulated with a twin-screw granulator, and vacuum-dried at 60°C for...

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Abstract

The invention relates to a smoke-free and sulfur-free firework oxidant and a preparation method thereof, and belongs to the field of environment-friendly pyrotechnic compositions. The preparation method comprises the following steps: weighing calcium nitrate, magnesium perchlorate, manganese dioxide powder, guanidine nitrate, ammonium bicarbonate and cellulose acetate butyrate; adding the weighedcalcium nitrate, magnesium perchlorate and ammonium bicarbonate into an ethyl acetate / water mixed solvent to obtain a solution A; adding guanidine nitrate into ethanol, and carrying out mixing to obtain a solution B; adding the solution A into the solution B to obtain a mixed solution C; and adding the solution C into the mixed powder of cellulose acetate butyrate and manganese dioxide to preparemicelles, and granulating and drying the micelles to obtain the smoke-free and sulfur-free firework oxidant. According to the method, ammonium perchlorate is adopted as a main component, the decomposition product is gas and does not contain sulfur elements or metal elements, the preparation method is simple, and no three wastes are discharged in the production process.

Description

technical field [0001] The invention relates to a smokeless and sulfur-free fireworks oxidizer and a preparation method thereof, belonging to the field of environment-friendly pyrotechnics. Background technique [0002] There has been a tradition of setting off fireworks in my country since ancient times. However, with the continuous improvement of people's consumption levels, the number of fireworks is also increasing. As we all know, the main ingredients of today's fireworks are potassium nitrate, sulfur and charcoal, some also contain potassium chlorate, and even metal powder is added. The toxic and harmful gases and dust particles produced by the combustion of these substances have a very serious impact on human body functions. Setting off a large number of fireworks in a short period of time will bring great pollution to the environment, and also threaten the safety of people's lives and properties. [0003] Oxidant is one of the most important components of fireworks...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C06B31/12C06B21/00
CPCC06B31/12C06B21/0066
Inventor 刘吉平李琪军刘克普吉伟生于保藏周耀明
Owner 江西吉润花炮新材料科技有限公司
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