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Regenerated pouring material used for swinging runner and prepared from waste slide plates and preparation method of regenerated pouring material

A technology of castables and slide plates, which is applied in the field of refractory castables, can solve the problems of relatively expensive prices, achieve the effects of saving high-quality refractory raw material resources, improving product comprehensive benefits, and reducing material costs

Inactive Publication Date: 2014-04-02
东海县茂福石英有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main material of this invention is fused corundum, which is more expensive

Method used

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  • Regenerated pouring material used for swinging runner and prepared from waste slide plates and preparation method of regenerated pouring material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Embodiment 1: A regenerated castable for a swing launder prepared from waste slides, which includes the following materials in parts by weight: 40 parts of waste slide granular materials, 25 parts of high alumina bauxite, 20 parts of white corundum; 25 parts of silicon carbide 10 parts of α-Al2O3 micropowder, 5 parts of zircon sand, 3 parts of silicon micropowder, 4 parts of calcium aluminate cement, 3 parts of metal silicon, 0.12 part of explosion-proof fiber, and 0.15 part of admixture.

[0038] The particle size of the waste skateboard granular material is 0.1 mm to 3 mm and ≤0.074 mm; the particle size of the high alumina bauxite is 3 mm to 8 mm, and the quality index of the high alumina bauxite is: Al203≥88%.

[0039] The particle size of the white corundum is 0.1mm to 1mm and ≤0.088mm, and the quality index of the white corundum is: Al203≥99%.

[0040] The particle size of the silicon carbide is 0.1mm to 1mm and ≤0.088mm, and the quality index of the silicon carbi...

Embodiment 2

[0048] Embodiment 2: A regenerated castable for a swing launder prepared from waste slides, which includes the following materials in parts by weight: 30 parts of waste slide granular materials, 20 parts of high alumina bauxite, 15 parts of white corundum; 15 parts of silicon carbide 8 parts of α-Al2O3 micropowder, 3 parts of zircon sand, 1.5 parts of silicon micropowder, 2.5 parts of calcium aluminate cement, 1.5 parts of metal silicon, 0.1 part of explosion-proof fiber, and 0.1 part of admixture.

[0049] The particle size of the waste skateboard granular material is 0.1 mm to 3 mm and ≤0.074 mm; the particle size of the high alumina bauxite is 3 mm to 8 mm, and the quality index of the high alumina bauxite is: Al203≥88%.

[0050] The particle size of the white corundum is 0.1mm to 1mm and ≤0.088mm, and the quality index of the white corundum is: Al203≥99%.

[0051] The particle size of the silicon carbide is 0.1mm to 1mm and ≤0.088mm, and the quality index of the silicon c...

Embodiment 3

[0059] Embodiment 3: A regenerated castable for a swinging launder prepared from waste slides, which includes the following materials in parts by weight: 25 parts of waste slide granular materials, 15 parts of high alumina bauxite, 20 parts of white corundum; 10 parts of silicon carbide 5 parts of α-Al2O3 micropowder, 2 parts of zircon sand, 1 part of silicon micropowder, 2 parts of calcium aluminate cement, 1 part of metal silicon, 0.08 part of explosion-proof fiber, and 0.05 part of admixture.

[0060] The high alumina bauxite includes two particle sizes of 5mm to 8mm and 3mm to 5mm, and the quality index of the high alumina bauxite is: Al203≥88%.

[0061] The particle size of the waste skateboard granular material is 0.1 mm to 3 mm and ≤0.074 mm; the particle size of the high alumina bauxite is 3 mm to 8 mm, and the quality index of the high alumina bauxite is: Al203≥88%.

[0062] The particle size of the white corundum is 0.1mm to 1mm and ≤0.088mm, and the quality index of...

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Abstract

The invention discloses a regenerated pouring material used for swinging runner and prepared from waste slide plates. The pouring material comprises the following materials in parts by weight: 25-40 parts of waste slide plate particles, 15-25 parts of high-aluminum alumina, 10-20 parts of white corundum, 10-25 parts of silicon carbide, 5-10 parts of alpha-Al2O3 micro powder, 2-5 parts of zircon sand, 1-3 parts of silicon micro powder, 2-4 parts of calcium aluminate cement, 1-3 parts of metal silicon, 0.08-0.12 part of anti-explosion fibers and 0.05-0.15 part of an additive FS200. The preparation method disclosed by the invention is simple, easy to realize, capable of lowering cost of the casting material for the swinging runner by over 20%, saving excellent refractory raw material resources and effectively prolonging service life of the regenerated pouring material, and has remarkable economic and social benefits for improving environment and realizing resource recycling.

Description

technical field [0001] The invention belongs to the field of refractory castables, in particular to a regenerated castable for swing launders prepared from waste slide plates and a preparation method. technical background [0002] The swing launder is the key device for blast furnace ironmaking and iron tapping. The swing launder castable plays a very important role in the smooth operation of the blast furnace ironmaking. Use in the harshest areas. Oscillating launder castables require good erosion and erosion resistance and excellent spalling resistance. The large and medium-sized blast furnace swing launders are all made of high-quality Al 2 o 3 -SiC-C castables are generally made of high-purity fused corundum as raw material, together with silicon carbide, carbon and high-purity matrix fine powder, and adopt ultra-low cement bonding technology. Because the swing launder castable is composed of high-grade and high-quality raw materials, the cost of materials remains hi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/66
Inventor 林凡昌孙志红王玺堂岳卫东
Owner 东海县茂福石英有限公司
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