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Method for detecting density of molten explosive through industrial CT

A molten, explosive technology, applied in measuring devices, instruments, scientific instruments, etc., can solve the problems of difficulty in density measurement and control, affecting production efficiency, unsafe sampling process, etc., to improve the level of process parameter control and product quality. , The effect of improving intrinsic safety and reducing the workload of personnel

Pending Publication Date: 2022-05-06
安徽神剑科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] During the filling process of mixed explosives, since the density (melt state density) of the explosive suspension is easily fluctuated by factors such as component distribution ratio, especially the mixed explosive suspension with a higher melting point, its density measurement and control are more difficult , the Chinese patent application number 202010059511.6 discloses an online density measurement device for dense medium suspensions, and the Chinese patent application number 20091007877.2 discloses a device for detecting the viscosity and density of dense medium suspensions in a descending manner, but it is subject to environmental and safety conditions. effect, not suitable for density measurements of molten explosives
[0004] In practice, it is often used to manually measure the density of solidified explosives with a certain mass and volume, and then calculate the density of molten explosives. However, the sampling process of this method is very unsafe and cumbersome, and the sampling process will delay production and affect production efficiency.

Method used

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  • Method for detecting density of molten explosive through industrial CT
  • Method for detecting density of molten explosive through industrial CT
  • Method for detecting density of molten explosive through industrial CT

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] S1: Charging by marking the projectile

[0035] The charge of the marked projectile is about 10% to 20% of the charge of the normal projectile; compared with the normal projectile, the marked projectile is released in a certain proportion, and the charge is carried out with normal and the same parameters; the marked projectile is different from the normal projectile The material of the projectile body can be inconsistent, but its thermal conductivity should be close, and the charge part should have an inverted conical or approximately inverted conical internal and external structure, as follows figure 1 shown;

[0036] S2: Industrial CT is used to detect the quality and density of the marking projectile charge

[0037] After the charge is cooled, the marked projectile charge and the normal projectile charge are inspected by industrial CT to find out the mark projectile charge without shrinkage cavity, air hole and low gap, and detect the average charge density ρ1;

[...

Embodiment 2

[0055] Take the 82mm forced bomb injection as an example, such as image 3 As shown, it is a CT image of part of the medicine solution after gradient nursing coagulation. Assuming that the hole formed by the volume shrinkage of the explosive after solidification is a regular inverted cone, the bottom surface is the liquid surface of the molten explosive, and the apex is the depression on the upper part of the solidified explosive column, which is located at the lowest point of the projectile axis. The volume of the molten explosive in the projectile is approximately equal to its The sum of the volume after solidification and the volume of the formed conical cavity is:

[0056] V 0 =V 1 +V 2(1)

[0057] Where: V 0 : volume of molten explosive in projectile; V 1 : Volume of molten explosive after solidification; V 2 : the volume of pores formed after the solidification of the molten explosive;

[0058] Among them, the volume of pores formed after the molten explosive sol...

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Abstract

The invention is suitable for the technical field of explosive density detection, and provides a method for detecting the density of a molten explosive through industrial CT, and the method comprises the following steps: S1, carrying out charging through an identification projectile body; s2, the industrial CT detects the charge quality and density of the marked projectile body; s3, the industrial CT carries out molten explosive feeding hole identification; s4, calculating an industrial CT molten explosive density model; and S5, processing and displaying the data. By establishing the industrial CT molten explosive density calculation model and synchronously measuring and calculating the density of the molten explosive in the CT quality detection process, the process of manually detecting the density of the molten explosive can be omitted, the workload of personnel is reduced, the intrinsic safety is improved, and the method has the advantages of improving the automation level and the production efficiency of the explosive injection and loading production process and improving the production efficiency. And the process is improved to provide help, so that the process parameters are improved, the charging process is optimized, and the charging process parameter control level and the product quality level are improved.

Description

technical field [0001] The invention belongs to the technical field of explosive density detection, in particular to a method for detecting the density of molten explosives through industrial CT. Background technique [0002] The density of the mixed explosive suspension (melt density) can characterize the chemical liquid treatment quality of the molten explosive to a certain extent, and can also reflect the quality stability of the mixed explosive (whether it is stable or not is related to whether the charge quality is stable and reliable) and The stability of the charging process, its value is of great significance to reflect the control level of the filling process. [0003] During the filling process of mixed explosives, since the density (melt state density) of explosive suspension is easily affected by factors such as component distribution ratio and fluctuates, especially the mixed explosive suspension with a higher melting point, its density measurement and control a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/046
CPCG01N23/046
Inventor 朱锦书王继章赵良品刘思佳杨海燕赵文文解晓吾张临赛丁兴华
Owner 安徽神剑科技股份有限公司
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