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Blasting explosive for explosion welding of metallic composite and manufacturing method therefor

A metal composite material and explosive welding technology, which is applied in the direction of explosives, etc., can solve the problems of low utilization rate of composite materials, high explosive velocity, unstable explosion transmission, etc., and achieve the effect of simple manufacturing method, stable explosive performance and low raw material cost

Inactive Publication Date: 2009-04-08
LUOYANG SHUANGRUI METAL COMPOSITE MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Solve the problems of low recombination rate of metal composite materials after explosive welding and low utilization rate of composite materials caused by high explosive velocity and unstable explosion transmission in the process of explosive welding of metal composite materials

Method used

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  • Blasting explosive for explosion welding of metallic composite and manufacturing method therefor
  • Blasting explosive for explosion welding of metallic composite and manufacturing method therefor

Examples

Experimental program
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Effect test

Embodiment 1

[0016] Taking the industrial production of 1000kg metal composite material explosive welding as an example, the selected components and mass ratio are: expanded ammonium nitrate 55%, crushed ammonium nitrate 35%, composite oil phase 3.5%, wood powder 2.5%, expanded perlite 4.0 %, wherein the components and mass ratio of the composite oil phase are: diesel oil 40%, 32# mechanical oil 20%, beeswax 40%. According to the above components and formula, the implementation steps are: the first step: take 550kg ammonium nitrate and carry out expansion treatment to obtain expanded ammonium nitrate; the second step: take 350kg ammonium nitrate and carry out pulverization treatment, and the particle size is to pass through a 40 mesh sieve; The 3rd step: take by weighing 14kg diesel oil, 7kg mechanical oil and 14kg beeswax heating, make composite oil phase; The prepared expanded ammonium nitrate, ammonium nitrate and composite oil phase are mixed evenly in the wheel mill; the fifth step: t...

Embodiment 2

[0018] Take the industrial production of 1000kg metal composite material explosive welding as an example, the selected components and mass ratio are: expanded ammonium nitrate 75%, crushed ammonium nitrate 15%, composite oil phase 2.5%, wood powder 1.5%, expanded perlite 6.0 %, wherein the components and mass ratio of the composite oil phase are: diesel 60%, 68# mechanical oil 10%, beeswax 30%. According to the above components and formula, the implementation steps are: the first step: take 750kg ammonium nitrate and carry out expansion treatment to obtain expanded ammonium nitrate; the second step: take 150kg ammonium nitrate and carry out pulverization treatment, and the particle size is to pass through a 40 mesh sieve; Step 3: Weigh 15kg of diesel oil, 2.5kg of mechanical oil and 7.5kg of beeswax to heat to make a composite oil phase; Step 4: Weigh 15kg of wood powder, 60kg of expanded perlite and the first, second and third steps The expanded ammonium nitrate, ammonium nit...

Embodiment 3

[0020] Take the industrial production of 1000kg metal composite material explosion welding explosives as an example, the selected components and mass ratio are: expanded ammonium nitrate 43%, crushed ammonium nitrate 50%, composite oil phase 1.5%, wood powder 3.5%, expanded perlite 2.0 %, wherein the components and mass ratio of the composite oil phase are: diesel 50%, 46# mechanical oil 30%, beeswax 20%. According to the above components and formula, the implementation steps are: the first step: take 430kg ammonium nitrate and carry out expansion treatment to obtain expanded ammonium nitrate; the second step: take 500kg ammonium nitrate and carry out pulverization treatment, and the particle size is to pass through a 40 mesh sieve; Step 3: Weigh 7.5kg of diesel oil, 3kg of mechanical oil and 4.5kg of beeswax to heat to make a composite oil phase; Step 4: Weigh 35kg of wood powder, 20kg of expanded perlite and the first, second and third steps The expanded ammonium nitrate, am...

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Abstract

The invention relates to a blasting explosive for explosive welding of metal composite materials and a method for manufacturing the same. The mass compositions of the blasting explosive comprise 43 to 75 percent of expanded ammonium nitrate, 15 to 50 percent of crushed ammonium nitrates, 1.5 to 3.5 percent of compound oil phase, 1.5 to 3.5 percent of wood powder, and 2 to 6.0 percent of expanded perlite. The method comprises the following steps: firstly, performing expansion treatment on part of the ammonium nitrate to obtain the expanded ammonium nitrate, and then crushing other ammonium nitrates, and filtering other ammonium nitrates through a sieve of 40 meshes; secondly, mixing the expanded ammonium nitrate and the crushed ammonium nitrates with the compound oil phase, the wood powder and the expanded perlite in a wheel mill; and finally, taking out the materials from the wheel mill at a temperature 40 DEG C below and packaging the materials. The blasting explosive does not contain TNT which is toxic to human bodies, and has the advantages of stable explosive performance, low cost, simple manufacturing method, and applicability to industrial production; besides, the bonding rate and the bonding strength of interfaces of large-area metal composite materials between stainless steel and steel, nickel and steel and the like which are welded through explosive welding by using the blasting explosive.

Description

technical field [0001] The invention relates to an explosive and a manufacturing method thereof, in particular to an explosive for explosive welding of metal composite materials and a manufacturing method thereof. Background technique [0002] Explosive welding is a metal processing method that uses explosives as the energy source, and under the action of explosive explosive loads, the clad metal collides with the base metal at high speed and is firmly connected together. The bonding interface of the metal composite material obtained by explosive welding is metallurgical bonding, and its bonding strength is greater than the value of the lower strength of the base layer or clad layer material, and it has the advantages of corrosion resistance, conductivity, and wear resistance of the clad layer metal and the base metal Its high strength and other advantages are widely used in petrochemical, metallurgy, electric power, aerospace, shipbuilding and nuclear industries. In the ex...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C06B31/28
Inventor 岳宗洪辛宝张保奇
Owner LUOYANG SHUANGRUI METAL COMPOSITE MATERIAL
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