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Anchoring brick

A technology for anchoring bricks and bauxite particles, which is applied in the field of refractory materials, can solve the problems of poor thermal stability of fired products, and achieve the effects of strong load softening temperature, thermal shock resistance and life improvement

Inactive Publication Date: 2016-10-12
JIAOZUO JINXIN HENGTUO REFRACTORIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Compared with unfired products and unshaped refractory materials, the thermal stability of fired products is very poor. With the technological progress of new kilns, the requirements for thermal stability of fired products are very strict. Therefore, thermal stability has become a Bottleneck in the development of fired products

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] The components of the anchoring brick include the main material and the binder. The main material includes aggregate and powder. The aggregate is composed of the following components in parts by weight: 10 parts of 3-5mm alumina pellets, 25 parts of granules, 10 parts of 0-1mm bauxite granules, 15 parts of 0.5-1mm kyanite; the powder consists of the following components by weight: 5 parts of combined clay powder, 15 parts of bauxite clinker powder part, 20 parts of bauxite raw powder; the binder is composed of the following parts by weight: 0.6 part of calcium lignosulfonate, and 0.2 part of yellow dextrin. Pour the above-mentioned components into the mixer, add 5% clean water, stir evenly, and then form the material within 2 hours. The finished bricks can be finished after being dried and fired.

Embodiment 2

[0012] The components of the anchoring brick include the main material and the binder. The main material includes aggregate and powder. The aggregate is composed of the following components in parts by weight: 15 parts of 3-5mm alumina pellets, 30 parts of granules, 5 parts of 0-1mm bauxite granules, 10 parts of 0.5-1mm kyanite; the powder consists of the following components by weight: 5 parts of combined clay powder, 20 parts of bauxite clinker powder part, 15 parts of bauxite raw powder; the binder is composed of the following parts by weight: 0.4 part of calcium lignosulfonate, and 0.1 part of yellow dextrin. Pour the above-mentioned components into the mixer, add 5% clean water, stir evenly, and then form the material within 2 hours. The finished bricks can be finished after being dried and fired.

Embodiment 3

[0014] The components of the anchoring brick include the main material and the binder. The main material includes aggregate and powder. The aggregate is composed of the following components in parts by weight: 10 parts of 3-5mm alumina pellets, 30 parts of granules, 10 parts of 0-1mm bauxite granules, 5 parts of 0.5-1mm kyanite; the powder consists of the following components by weight: 10 parts of combined clay powder, 15 parts of bauxite clinker powder parts, 15 parts of bauxite raw powder; the binder is composed of the following parts by weight: 0.5 part of calcium lignosulfonate, 0.2 part of yellow dextrin. Pour the above-mentioned components into the mixer, add 5% clean water, stir evenly, and then form the material within 2 hours. The finished bricks can be finished after being dried and fired.

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Abstract

The invention discloses an anchoring brick. The anchoring brick comprises a main material and a bonding agent, wherein the main material comprises aggregates and power; the aggregates comprise the following components in parts by weight: 10 to 15 parts of 3 to 5mm alumina granules, 25 to 35 parts of 1 to 3mm alumina granules, 5 to 15 parts of 0 to 1mm alumina granules, and 5 to 15 parts of kyanite; the powder comprises the following components in parts by weight: 5 to 10 parts of combined clay powder, 15 to 25 parts of alumina pulverized clinker, and 15 to 25 parts of alumina raw powder; the bonding agent comprises the following components in parts by weight: 0.3 to 0.8 part of calcium lignosulphonate, and 0.1 to 0.3 part of yellow dextrin. The anchoring brick has the beneficial effects that the anchoring brick produced through the formula has higher refractoriness under load and thermal shock resistance capacity, and ensures that the service life of an industrial furnace is greatly prolonged.

Description

technical field [0001] The invention relates to the technical field of refractory materials, in particular to an anchor brick. Background technique [0002] Compared with unfired products and unshaped refractory materials, the thermal stability of fired products is very poor. With the technological progress of new kilns, the requirements for thermal stability of fired products are very strict. Therefore, thermal stability has become a The bottleneck of the development of fired products. For the anchor brick, it is used as an anchor to connect and fix the working layer and the insulation layer during use, and must maintain a high strength at high temperatures. In addition, the kilns used in most cases work intermittently, and they have to withstand repeated temperature changes during use. Therefore, the traditional production process is improved to improve the thermal stability and thermal shock resistance of the fired anchor bricks, which can significantly prolong the produ...

Claims

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Application Information

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IPC IPC(8): C04B35/66C04B35/101
CPCC04B35/101C04B2235/349
Inventor 薛鸿雁李强许兴堂武占忠范红刚黄江文刘涛生王小波
Owner JIAOZUO JINXIN HENGTUO REFRACTORIES
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