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Anti-explosion material and manufacturing method thereof

A technology for blocking explosion-proof materials and blanks, applied in packaging, containers, large containers, etc., can solve problems such as thermal conductivity, reduced electrical conductivity, generation of debris and aluminum rust, blockage of oil pipelines, etc., to improve alloy strength and increase spacing , good thermal conductivity

Inactive Publication Date: 2013-02-27
北京福吉长安防爆材料有限责任公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, methanol and ethanol gasoline developed in recent years have been widely used in daily life, but methanol may react during production and storage (CH 3 OH+O 2 →HCOOH+H 2 O), organic acids such as formic acid generated by oxidation will cause corrosion to the surface of metal explosion suppression materials immersed in liquid for a long time
The anti-explosion material whose surface is corroded will greatly reduce its thermal conductivity and electrical conductivity, and will generate debris and aluminum rust, which will block the oil pipeline

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Example 1 A barrier and explosion-proof material, the chemical composition of its aluminum alloy foil is: 0.05% silicon, 1.0% copper, 0.2% manganese, 1.0% magnesium, 3.0% zinc, 0.02% titanium, 0.05% zirconium, 0.1% scandium %, and the rest is aluminum.

[0032] The manufacturing method of the barrier explosion-proof material comprises the following steps:

[0033] (1) Put the simple metals in the above weight ratio in a melting furnace, mix them and heat them to 720°C to make all the metals into a liquid state, and keep the temperature for 1.5 hours to make the metals evenly dispersed in the molten liquid phase.

[0034] (2) During the liquid heat preservation period in step (1), use nitrogen and hexachloroethane with a purity greater than or equal to 99.999% and less than 100% to degas and refine, then cast an ingot to form a billet, and heat it at 430 ° C for 24 hours to make it uniform change.

[0035] (3) Mill the blank with a milling machine.

[0036](4) After t...

Embodiment 2

[0041] Example 2 A barrier and explosion-proof material, the chemical composition of its aluminum alloy foil is: 0.15% silicon, 1.6% copper, 0.5% manganese, 2.5% magnesium, 5.6% zinc, 0.06% titanium, 0.15% zirconium, 0.3 scandium %, and the rest is aluminum.

[0042] The manufacturing method of the barrier explosion-proof material comprises the following steps:

[0043] (1) Put the elemental metals in the above weight ratio in a melting furnace, mix and heat to 750°C to make all the metals into a liquid state, and keep the temperature for 1 hour, so that the metals are evenly dispersed in the molten liquid phase;

[0044] (2) During the liquid heat preservation period in step (1), use nitrogen and hexachloroethane with a purity greater than or equal to 99.999% and less than 100% to degas and refine, then cast an ingot to form a billet, and heat it at 480 ° C for 24 hours to make it uniform change.

[0045] (3) Mill the blank.

[0046] (4) After the milled blank was kept at ...

Embodiment 3

[0051] Example 3 A barrier and explosion-proof material, the chemical composition of its aluminum alloy foil is as follows: 0.1% silicon, 1.3% copper, 0.3% manganese, 3.0% magnesium, 6.0% zinc, 0.04% titanium, 0.1% zirconium, 0.2 scandium %, and the rest is aluminum.

[0052] The manufacturing method of the barrier explosion-proof material comprises the following steps:

[0053] (1) Put the simple metals in the above weight ratio in a melting furnace, mix them and heat them to 730°C to make all the metals into a liquid state, and keep the temperature for 1.2 hours, so that the metals are evenly dispersed in the molten liquid phase.

[0054] (2) During the liquid heat preservation period in step (1), use nitrogen and hexachloroethane with a purity greater than or equal to 99.999% and less than 100% to degas and refine, then cast an ingot to form a billet, and heat it at 450 ° C for 24 hours to make it uniform change.

[0055] (3) Mill the blank.

[0056] (4) After the milled...

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Abstract

The invention relates to an anti-explosion material, which is made of a cut and extended aluminum alloy foil mesh and has mesh-like or beehive-like porous structure, and is characterized in that: an aluminum alloy foil comprises the following chemical components in percentage by weight: 0.05 to 0.15 percent of silicon, 1.0 to 1.6 percent of copper, 0.2 to 0.5 percent of manganese, 1.0 to 3.0 percent of magnesium, 3.0 to 6.0 percent of zinc, 0.02 to 0.06 percent of titanium, 0.05 to 0.15 percent of zirconium, 0.1 to 0.3 percent of scandium and the balance of aluminum. Meanwhile, the invention also discloses a manufacturing method of the anti-explosion material. The material obtained by the method has the advantages of high electric and heat conductivities and large specific area and has the characteristics of corrosion resistance and high strength. When used as an anti-explosion material, the material is free from scraps and deformation. The material is particularly suitable for safe protection of containers for flammable and combustible liquid containers with high corrosivity as well as skid-mounted gasoline and gas filling station containers.

Description

technical field [0001] The invention relates to explosion-suppressing materials, in particular to a barrier explosion-proof material and a manufacturing method thereof. Background technique [0002] BLEVE (Boiling Liquid Expanding Vapor Explosion), that is, when a high-pressure storage tank encounters a fire, trapped air bubbles are formed on the tank wall on the fire-facing side of the tank to hinder heat transfer, and the dry wall above the liquid surface will also be overheated and the metal strength will decrease , As a result, the internal pressure rises, the external metal is exposed to high temperature, creeps, and the vicious situation decreases in strength, which causes the container to break and form an explosion. [0003] In the 1970s (1970'), the United States took the lead in using polyurethane foam anti-explosion packing on military facilities and equipment, and then gradually developed and applied metal foam anti-explosion packing. Through continuous innovati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/10C22B21/06C22F1/053B65D90/22
Inventor 陈楼王瑞海王亮贾永忠王小华
Owner 北京福吉长安防爆材料有限责任公司
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