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Molten-slag-resistant spray paint for lade and application method thereof

A technology of anti-sticking slag and spraying paint, which is applied in the field of spraying paint, can solve the problems of large thickness of anti-sticking isolation protective film, high production cost of spraying paint, and difficult cleaning of ladle, so as to achieve good market prospects and improve mixing uniformity , The effect of convenient construction

Active Publication Date: 2014-11-19
北京利尔高温材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The ladle with sticky slag is difficult to clean, and safety accidents are prone to occur
[0003] After the existing anti-adhesive slag spray coating is sprayed, the anti-adhesive isolation protective film formed has a large thickness and low adhesion, which is easy to fall off and has poor protection effect on iron ladles.
Furthermore, the production cost of spray coating is high and the economic benefit is poor.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] An anti-sticking slag spray coating for iron cladding, comprising the following components: 70g of aggregate, 25g of binding agent, 4g of earthy graphite with a particle size of 180 mesh, 1g of sodium tripolyphosphate,

[0021] Aggregate includes the following mixture with a particle size of 0.1mm: 45.5g of waste skateboard recycled materials, 14g of tertiary bauxite and 10.5g of quartz,

[0022] The binder includes the following mixture with a particle size of 180 mesh: 3.75g of silica micropowder, 3.75g of Portland cement, 7.5g of water glass powder and 5g of bentonite.

[0023] When in use, first prepare the mixture according to the above ratio, then add 5g of water under strong stirring, and finally spray it on the anti-sticking slag part of the iron clad with a spray gun.

Embodiment 2

[0025] An anti-sticking slag spray coating for iron cladding, comprising the following components: 80g of aggregate, 16g of binding agent, 3.5g of earthy graphite with a particle size of 190 mesh, 0.5g of sodium tripolyphosphate,

[0026] Aggregate includes the following mixture with a particle size of 1mm: 36g of waste skateboard recycled materials, 20g of tertiary bauxite and 24g of quartz,

[0027] The binder includes the following mixture with a particle size of 150 mesh: 3.2g of silica micropowder, 3.2g of Portland cement, 6.4g of water glass powder and 3.2g of bentonite.

[0028] When in use, first prepare the mixture according to the above ratio, then add 6g of water under strong stirring, and finally spray it on the anti-sticking slag part of the iron clad through a spray gun.

Embodiment 3

[0030] An anti-sticking slag spray coating for iron cladding, comprising the following components: 76g of aggregate, 20g of binder, 3.8g of earthy graphite with a particle size of 160 mesh, 0.2g of sodium tripolyphosphate,

[0031] The aggregate includes the following mixture with a particle size of 3mm: 38g of waste skateboard recycled materials, 30.4g of three-grade bauxite and 7.6g of quartz,

[0032] The binder includes the following mixture with a particle size of 100 mesh: 2 g of silica micropowder, 4 g of Portland cement, 6 g of water glass powder and 8 g of bentonite.

[0033] When in use, first prepare the mixture according to the above ratio, then add 7g of water under strong stirring, and finally spray it on the anti-sticking slag part of the iron clad with a spray gun.

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Abstract

The invention provides molten-slag-resistant spray paint for a ladle. The molten-slag-resistant spray paint comprises the following components in percentage by weight: 70-80 percent of aggregate, 16-25 percent of a bonding agent, 1-10 percent of a molten-slag-resistant functional additive and 0.01-1 percent of an additional additive, wherein the bonding agent is a composite bonding agent, and comprises silica powder, silicate cement, sodium silicate powder and bentonite. A method for applying the spray paint comprises the following steps: firstly, preparing a mixture in the weight ratio; secondly, adding water in an amount of 5-8 percent based on the weight of the mixture under strong stirring; and lastly, spraying the mixture onto a molten slag resisting position on the ladle through a spray gun. Compared with the prior art, the molten-slag-resistant spray paint provided by the invention has the advantages of high strength, high molten slag resistance, molten slag erosion resistance, oxidation resistance and high thermal shock resistance. Moreover, a waste sliding plate reclaimed material is taken as a main component for the aggregate of the molten-slag-resistant spray paint, so that the production cost of the molten-slag-resistant spray paint is lowered greatly, and high comprehensive benefit is achieved.

Description

technical field [0001] The invention relates to the technical field of spray paint, in particular to an anti-sticking slag spray paint for iron ladle and its application method. Background technique [0002] The molten iron is poured into the converter through the reverse transport of the ladle. During the use of the ladle, the brick lining is eroded by high temperature, and it is easy to stick to slag and iron, which shortens the service life of the ladle. There are two main methods of sticking slag and iron in the ladle: one is that the molten iron and slag are directly fused with the castable along the ladle, react with each other, and finally merge into one; the other is that the molten iron slag solidifies in the Package along the castable. The ladle with sticky slag is difficult to clean up, which is prone to safety accidents. [0003] After the existing anti-adhesive slag spray coating is sprayed, the anti-adhesive isolation protective film formed has a large thickn...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/66
Inventor 刘全超黄亚冬刘丽曹仁锋任林刘靖轩赵继增王晓东胡玲军赵冉车晓梅刘美荣
Owner 北京利尔高温材料股份有限公司
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