Method and device for rapidly measuring content of stabilizing agent in solid propellant

A rapid measurement and propellant technology, which is applied in the direction of measuring devices, test sample preparation, sampling, etc., can solve the problem that the propellant cannot be manually added, so as to reduce the number of standard samples, improve accuracy, and reduce the total amount Effect

Pending Publication Date: 2022-05-13
XIAN MODERN CHEM RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the stabilizer content in the standard propellant is generally between 1% and 2%, it does not meet the requirements of a uniform distribution of the content within the detection range of the standard sample and covers the entire measurable range; A certain amount of stabilizer, so that propellants with low stabilizer content cannot be obtained by artificial addition and other methods

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  • Method and device for rapidly measuring content of stabilizing agent in solid propellant
  • Method and device for rapidly measuring content of stabilizing agent in solid propellant

Examples

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Embodiment 1

[0049] Propellant sample: A three-base propellant, the main components are azide nitramine, nitroguanidine, nitroglycerin, No. 2 neutralizer, etc. The stabilizer used is No. 2 neutralizer.

[0050] According to the method of the present invention, prepare stabilizer content rapid analysis model standard sample:

[0051] (1) Sample pretreatment: the three-base propellant used in this example is a single-hole tubular propellant with a size of H 30mm×φ5mm, which can be directly aged without pretreatment;

[0052] (2) Accelerated aging at high temperature and constant temperature: 20 standard propellants (initial stabilizer content 1.49%) and self-made high stabilizer content propellants (initial stabilizer content 6%) were placed in glass vials with a diameter of 15 mm and a height of 30 mm. Then tighten the bottle cap, punch 1 to 2 small holes (less than 1 mm in diameter) on the bottle cap, and put the glass bottle filled with samples into a constant temperature 85°C constant te...

Embodiment 2

[0061] The present invention designs a solid propellant near-infrared spectrogram acquisition system. The system includes a sample platform 1, which is a cavity structure; a detection support column 2 is provided in the lower part of the sample platform 1, and an optical fiber probe 5 and a near-infrared spectrometer are also provided. 6. The sample table 1 is a hollow semi-opening type, one side is hinged and fixed by a hinge 13 (such as a hinge), the other side can be opened, and the inside is a cylindrical cavity with no seals on both sides. The inner diameter of the cylindrical cavity There are three sizes, respectively 10mm, 30mm and 50mm. Specifically, the sample stage 1 is formed by a first stage body 11 and a second stage body 12 hinged on one side, and one side of the first stage body 11 and the second stage body 12 is The hinged part 13 is hinged, and the other end can be opened when it fits together; more specifically, the first table body 11 and the second table bod...

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Abstract

The invention discloses a method and a device for rapidly determining the content of a stabilizing agent of a solid propellant, which are characterized in that a series of standard samples of a rapid analysis model for the content of the stabilizing agent of the solid propellant with different stabilizing agent contents are obtained by accelerated aging at constant temperature of 85 DEG C, and a rapid analysis model for the content of the stabilizing agent is established; and directly measuring the stabilizer content of the solid propellant powder by using an optical fiber near-infrared spectrometer. According to the method and the device, the problem that standard samples with different stabilizing agent contents, especially low stabilizing agent content sections, are difficult to prepare in the process of establishing a rapid analysis model for the stabilizing agent content of the solid propellant is solved, and the content of tubular, granular and plum-blossom-shaped solid propellant stabilizing agents with different sizes can be directly and rapidly measured; the method has the advantages of no need of sample pretreatment, short detection time and accurate detection result.

Description

technical field [0001] The invention belongs to the field of quantitative detection and research of propellant stabilizer content, and mainly relates to a rapid determination method and device for solid propellant stabilizer content. Background technique [0002] The propellant is one of the energy sources for the launch of gun projectiles. The propellant converts chemical energy into heat energy through combustion, and at the same time generates a large amount of gas products. The high-temperature and high-pressure gas works to launch the projectile from the barrel. Propellants are mainly divided into single-base propellants, double-base propellants and triple-base propellants. Stabilizers are important components in all three types of propellants. The commonly used ones mainly include diphenylamine and No. 2 neutralizer, which are used for Inhibit the catalytic reaction in the decomposition of nitrocellulose and nitroglycerin, and improve the chemical stability of the prop...

Claims

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Application Information

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IPC IPC(8): G01N1/28G01N30/02G01N21/359
CPCG01N1/28G01N30/02G01N21/359G01N2001/2893G01N2030/027G01N2021/3595
Inventor杜姣姣刘志伟张林军王琼于思龙张皋
OwnerXIAN MODERN CHEM RES INST