Tungsten-based delay powder for detonator and use of tungsten-based delay powder

A technology for delaying charge and detonator, applied in the direction of detonator, explosive, weapon accessories, etc., can solve the problems of complex production, low assembly efficiency, many quality problems, etc., to solve the problem of delay time interval, high assembly efficiency, and improved safety. Effect

Inactive Publication Date: 2014-09-17
GUANGDONG MINGHUA MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the past, there were high-end delay bodies, low assembly efficiency, complicated production, and many quali...

Method used

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  • Tungsten-based delay powder for detonator and use of tungsten-based delay powder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] When preparing a one-stage lead delay body with a delay time of 500ms to 1500ms, first select barium chromate 848, tungsten powder 960 and potassium perchlorate 230 according to the weight ratio, then manually mix the above formula, put it into a ball mill and mix for 4 hours. Then fill the mixed delay medicine into a lead pipe with a diameter of φ10~φ16mm, and then operate according to the procedures of casing, rolling, drawing, and lead cutting to obtain a tungsten-based delay medicine for detonators, and then put the tungsten Delay medicine is prepared into a cylindrical core with a diameter of 2mm, and an intermediate layer made of pure lead is arranged outside the cylindrical core, and an outer layer made of lead-antimony alloy is arranged outside the intermediate layer, thereby making a delayed A one-stage lead delay body with a time of 500ms ~ 1500ms.

Embodiment 2

[0018] When preparing a one-stage lead delay body with a delay time of 1500ms ~ 3500ms, first select barium chromate 950, tungsten powder 880, potassium perchlorate 210 and calcium fluoride 60 according to the weight ratio, then manually mix the above formula and put it into a ball mill After further mixing for 4 hours, fill the mixed delay drug into a lead pipe with a diameter of φ10~φ16mm, and then operate according to the procedures of casing, rolling, drawing, and cutting lead to obtain a tungsten-based delay for detonators. medicine, and then prepare a tungsten-based delayed medicine into a cylindrical core with a diameter of 2 mm, and an intermediate layer made of pure lead is arranged outside the cylindrical core, and an outer layer made of lead-antimony alloy is arranged outside the middle layer. Thus a one-stage lead delay body with a delay time of 1500ms to 3500ms is prepared.

Embodiment 3

[0020] When preparing a one-stage lead delay body with a delay time of 3500ms to 5500ms, first select barium chromate 1000, tungsten powder 800, potassium perchlorate 210 and calcium fluoride 120 according to the weight ratio, then manually mix the above formula and put it into a ball mill After further mixing for 4 hours, fill the mixed delay drug into a lead pipe with a diameter of φ10~φ16mm, and then operate according to the procedures of casing, rolling, drawing, and cutting lead to obtain a tungsten-based delay for detonators. medicine, and then prepare a tungsten-based delayed medicine into a cylindrical core with a diameter of 2 mm, and an intermediate layer made of pure lead is arranged outside the cylindrical core, and an outer layer made of lead-antimony alloy is arranged outside the middle layer. Thus, a one-stage lead delay body with a delay time of 3500ms to 5500ms is prepared.

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Abstract

The invention relates to a tungsten-based delay powder for a detonator and a use of the tungsten-based delay powder. The formula of the tungsten-based delay powder mainly comprises barium chromate, tungsten powder and potassium perchlorate, and as the circumstances may require, extra calcium fluoride and diatomite can be added; the components of the formula are manually mixed together in a certain ratio, the mixture is further mixed for 4 hours in a ball mill, and then the mixed delay powder is put in a lead tube having the diameter of phi10 to phi16, next, the steps of sleeving, rolling, drawing and lead cutting are carried out, and finally, the tungsten-based delay powder for the detonator can be obtained; the tungsten-based delay powder is further prepared into a cylinder core having the diameter of 2mm, a middle layer made of pure lead is arranged to sleeve the cylinder core, an outer layer made of a lead-antimony alloy is arranged to cover the middle layer, and then a one-section lead delay element for the detonator is formed. The properties of the tungsten-based delay powder are capable of meeting the national standard requirements, the assembly efficiency of the delay powder is high, and after being launched, the delay powder is capable of creates the economic benefit of billions of Yuan for an enterprise; besides, the delay time interval problem of the delay powder is solved, and the safety is improved.

Description

technical field [0001] The invention belongs to the technical field of detonator detonators and electric detonators, and relates to a tungsten delay charge for detonators and an application thereof. Background technique [0002] In the past, there were high-end delay bodies, low assembly efficiency, complicated production, and many quality problems that affected production. And there is no guarantee that the product quality meets the national standard requirements. In order to solve the above problems, our company designed a new type of delay drug formula according to the actual product, and improved the structure of the lead delay body at the same time. Contents of the invention [0003] In order to overcome the above-mentioned technical shortcomings, the present invention provides a kind of tungsten delay medicine for detonator and its application , it can It meets the quality and production efficiency of high-section detonator detonators and electric detonators, and h...

Claims

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Application Information

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IPC IPC(8): C06B33/06C06C7/00F42C19/12
Inventor 赵志邱文英陈绍钦李粤斌尤静娴陈雄胜江美乐巫英堂廖腊香
Owner GUANGDONG MINGHUA MACHINERY
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