High-energy-point gunpowder and preparation method

A kind of ignition powder and high-energy technology, applied in the field of high-energy ignition powder and preparation, can solve the problems of expensive raw material boron and limited use range, and achieve the effects of high ignition reliability, reduced sensitivity and high energy

Active Publication Date: 2015-09-30
BEIJING INSTITUTE OF TECHNOLOGYGY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

B / HNO 3 Igniting powder with good performance, but due to the high price of raw material boron, its application range is limited

Method used

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  • High-energy-point gunpowder and preparation method
  • High-energy-point gunpowder and preparation method
  • High-energy-point gunpowder and preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A high-energy ignition powder, the quality of each component in the formula is: 20g corn stalks, 43g potassium nitrate, 20g cerium hydride, 15g calcium peroxide, 2g ethyl acetate;

[0026] A kind of preparation method of high-energy ignition powder, concrete steps are as follows:

[0027] 1) Weigh 20g corn stalks, 43g potassium nitrate, 20g cerium hydride, 15g calcium peroxide, 2g ethyl acetate;

[0028] 2) Divide the binder into four parts, the first part is 0.04g, the second part is 0.086g, the third part is 0.03g, and the fourth part is 1.844g;

[0029] 3) The first, second, and third binders were added dropwise to the weighed hydride, oxide, and peroxide, and kneaded for 20 minutes after the dropwise addition; dried for 5 hours at a temperature of 30°C. Grind and pass through a 100-mesh sieve, wherein the dropping rate is 20 drops per minute;

[0030] 4) Mix the coated substance and straw obtained in 3) evenly, add 1.866g dropwise for bonding, knead for 30min, and...

Embodiment 2

[0033] A high-energy ignition powder, the quality of each component in its formula is: 35g sorghum straw, 32g potassium perchlorate, 15g lanthanum hydride, 10g potassium peroxide, 8g polyglycidyl ether nitrate;

[0034] A kind of preparation method of high-energy ignition powder, concrete steps are as follows:

[0035] 1) Weigh 35g of sorghum straw, 32g of potassium perchlorate, 15g of lanthanum hydride, 10g of potassium peroxide, and 8g of polyglycidyl ether nitrate.

[0036] 2) Take out 0.015g, 0.032g, and 0.02g from the binder, add them dropwise to lanthanum hydride, potassium perchlorate, and potassium peroxide, and knead for 15 minutes; dry for 5 hours at a temperature of 30°C, grind, Through a 100-mesh sieve, the dropping rate is 20 drops per minute;

[0037] 3) Mix the coated substance and straw obtained in 2) evenly, add 7.933g dropwise for bonding, knead for 30min, and pass through a 20-mesh sieve to form granules;

[0038] 4) Dry the granular material at 40°C and a...

Embodiment 3

[0040] A high-energy ignition powder, the quality of each component in its formula is: 15g cotton stalks, 50g potassium perchlorate, 17g aluminum hydride, 15g potassium peroxide, 3g nitrated polybutadiene;

[0041] A kind of preparation method of high-energy ignition powder, concrete steps are as follows:

[0042] 1) Weigh 15g of cotton stalks, 50g of potassium perchlorate, 17g of aluminum hydride, 15g of potassium peroxide, and 3g of nitrated polybutadiene.

[0043] 2) Take out 0.051g, 0.05g and 0.03g respectively from the nitrated polybutadiene, add them dropwise to aluminum hydride, potassium perchlorate and potassium peroxide respectively, knead for 25min; dry at 30°C for 5h, Grind and pass through a 100-mesh sieve, wherein the dropping rate is 20 drops per minute;

[0044] 3) Mix the coated substance and straw obtained in 2) evenly, add 2.869 g of nitrated polybutadiene dropwise, knead for 30 minutes, and pass through a 20-mesh sieve to form granules;

[0045] 4) Dry th...

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Abstract

The invention relates to high-energy-point gunpowder and a preparation method and belongs to the field of energetic materials. The high-energy-point gunpowder comprises 15-35 percent of straw, 35-50 percent of an oxidizing agent, 15-25 percent of hydride, 10-20 percent of peroxide and 2-8 percent of a binder. A preparation process for the gunpowder comprises the following steps: weighing all components according to the ratio; preparing the binder into liquid glue through an anhydrous solvent, respectively wrapping the hydride, oxide and peroxide, uniformly mixing the wrapped matters with the straw, dropwise adding the liquid gel on the mixture, stirring uniformly, screening, drying and screening again so as to obtain the high-energy-point gunpowder. The high-energy-point gunpowder is high in safety; since the surface of each of the hydride, the oxide and the peroxide is wrapped with a layer of protective film with good performance, the sensitivity is reduced and transportation and use safety is improved; the high-energy hydride and high-oxidbillity peroxide are used for gunpowder ignition, so that a large amount of energy and gas are released in the reaction process, stable pressure is formed and firing reliability is high.

Description

technical field [0001] The invention relates to a high-energy ignition powder and a preparation method thereof, belonging to the field of energetic materials. Background technique [0002] The ignition process of energetic materials refers to the process in which a series of ignition reactions occur when the temperature rises after being subjected to external excitation, and the energetic materials continue to burn by themselves. The physical and chemical characteristics of the gas phase and solid phase products produced by the ignition powder combustion in the ignition system are important factors that determine the quality of the ignition process. In order to achieve a rapid and effective ignition effect, the ignition powder should be able to generate a large amount of high-temperature gas and a certain proportion of hot solid particles when burning, so as to increase sufficient energy and temperature, and at the same time have a higher burning rate to improve energy trans...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B31/08
Inventor 刘吉平毕晓露韩钊武刘晓波韩开晋王晶
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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