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Gravity flow ventilating fast compensation material for sublimation ladle air brick

A technology of breathable bricks and ladles, applied in the field of quick replenishment of ladle breathable bricks, can solve the problems of easy melting, poor performance and high consumption of breathable bricks, and achieve the effects of improving service life, reducing labor intensity and reducing the number of replacements.

Inactive Publication Date: 2008-05-07
鞍山盛晨耐火材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the permeable bricks used in refining have problems such as easy melting, low life, high consumption, and poor performance. They are the weak links of refining production and cannot adapt to the fast-paced, low-cost, and high-efficiency development of modern steelmaking.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Self-flowing breathable quick-filling material for refining ladle breathable bricks, which is made of the following ingredients in proportion by weight: Al 2 o 3 90, water glass 10, explosion-proof fiber 0.1, dextrin 2. al 2 o 3 It refers to one or a mixture of high alumina bauxite and various corundum.

[0018] The preparation method is as follows: put the raw materials into the mixing machine according to the above ratio, mix them evenly, seal and pack. The appearance of the product is bulk material.

Embodiment 2

[0020] Self-flowing breathable quick-filling material for refining ladle breathable bricks, which is made of the following ingredients in proportion by weight: Al 2 o 3 85. Aluminum phosphate 15. Rosin soap 0.2. Citric acid 1. al 2 o 3 It refers to one or a mixture of high alumina bauxite and various corundum.

[0021] Its preparation method is with embodiment 1.

Embodiment 3

[0023] Self-flowing breathable quick-filling material for refining ladle breathable bricks, which is made of the following ingredients in proportion by weight: Al 2 o 3 95. Sodium tripolyphosphate 3. Aluminum petroleum sulfonate 0.5. Oxalic acid 5. al 2 o 3 It refers to one or a mixture of high alumina bauxite and various corundum.

[0024] Its preparation method is with embodiment 1.

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PUM

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Abstract

The invention relates to automatic flow venting rapid mending material for the refined ladle venting brick. The invention is characterized in that the material consists of the ingredients according to the weight proportion as follows: Al2O3 of 80 to 95, wedding agent of 3 to 15, detonation suppression of 0.1 to 0.5 and preservative agent of 1 to 5. The invention has the advantages of rapid sintering, good venting, no seeping steel, long service life and easy operation.

Description

technical field [0001] The invention relates to a quick-fill material for ladle air-permeable bricks. Background technique [0002] Refining is a key link in the contemporary steelmaking production process and a key means to improve the quality of molten steel. The air brick is the main gas supply element of the refining furnace, which directly affects the refining effect. At present, the permeable bricks used in refining have problems such as melting loss, low service life, high consumption, and poor performance. They are the weak links of refining production and cannot adapt to the fast-paced, low-cost, and high-efficiency development of modern steelmaking. Therefore, it is imperative to develop new products that can increase the service life of the permeable bricks and improve the performance of the permeable bricks. Contents of the invention [0003] The invention overcomes the deficiencies in the prior art, and provides a fast sintering, good ventilation, impervious...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/66
Inventor 王洪金
Owner 鞍山盛晨耐火材料有限公司
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