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Ceramic edge strip for foamed ceramic production and preparation method thereof

A foamed ceramic and fence technology, applied in the field of ceramic fence and its preparation, can solve the problems of short service life, increase ineffective energy consumption of kilns, increase energy consumption, etc., to reduce ineffective energy consumption, facilitate popularization, application, and molding easy effect

Active Publication Date: 2014-12-10
一方科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of ceramic refractory fence is not only heavy (0.10㎏ / cm), but also has a short service life. Generally, it needs to be replaced within 2.5-3 months
In addition, this kind of ceramic refractory enclosure will absorb a large amount of heat energy during use, thereby increasing the ineffective energy consumption of the kiln, resulting in an increase in energy consumption per unit product

Method used

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  • Ceramic edge strip for foamed ceramic production and preparation method thereof
  • Ceramic edge strip for foamed ceramic production and preparation method thereof
  • Ceramic edge strip for foamed ceramic production and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A ceramic fence for the production of foamed ceramics, which is made of the following raw materials: 50% bauxite aggregate, 15% corundum aggregate, and 35% super-grade bauxite refractory fine powder. Aluminum phosphate solution of 14.5% of the weight of the ingredients, calcium aluminate cement accounting for 1.5% of the weight of the base ingredients, silica fume and alumina mixed micropowder accounting for 6.0% of the weight of the base ingredients, wherein,

[0028] The weight ratio of silica fume to alumina micropowder in silica fume and alumina mixed micropowder is 3.5:2.5; this content can not only improve the fluidity of the batch material, but also ensure the high temperature creep resistance of the product;

[0029] The mass concentration of aluminum phosphate solution is 45%;

[0030] Among them, the refractory aggregate is made by mixing bauxite aggregate with a weight ratio of 50% and corundum aggregate with a weight ratio of 15%. The grading of the refracto...

Embodiment 2

[0035] Example 2: It is basically the same as Example 1, the difference is:

[0036] A ceramic fence for the production of foamed ceramics, which is made of the following raw materials: 75% bauxite refractory aggregate, 25% super-grade bauxite refractory fine powder to form a base batch, accounting for 12.5% ​​of the base batch weight Phosphoric acid Aluminum solution, calcium aluminate cement accounting for 2.0% of the base batching weight, silica fume and alumina mixed micropowder accounting for 6.80% of the base batching weight, this batching material has a larger bulk density, higher high temperature strength, and the green body is hardened and released from the mold faster. in,

[0037] The refractory aggregate is bauxite, and the grading of the refractory aggregate is: coarse: medium: fine = 5.5: 2: 2.5, and the maximum particle size is not greater than 6mm.

[0038] The special-grade bauxite refractory fine powder requires 90% of the particle diameter to be less tha...

Embodiment 3

[0043]A ceramic fence for the production of foamed ceramics, which is made of the following raw materials: 60% bauxite refractory aggregate, 10% cordierite aggregate and 30% first-grade bauxite refractory powder Ingredients, aluminum phosphate solution accounting for 12.5% ​​of the weight of the base ingredients, calcium aluminate cement accounting for 2.0% of the weight of the base ingredients, silica fume and alumina mixed micropowder accounting for 6.60% of the weight of the base ingredients, this batch has a greater bulk density, Higher high temperature strength, green body hardening and demoulding faster. in,

[0044] The refractory aggregate is composed of 60% bauxite refractory aggregate and 10% cordierite aggregate, the maximum particle size is not greater than the maximum particle size is not greater than 6mm, coarse: medium: fine = 5.5: 2: 2.5. The advantages of this batch material are low cost, simple ingredients, fast green solidification, and meet the production ...

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Abstract

The invention relates to a ceramic edge strip for foamed ceramic production and a preparation method thereof. The edge strip is mainly prepared from the following raw materials in parts by weight: 8.5-20.5 parts of reference ingredient, 0.5-4.5 parts of aluminum phosphate solution, 3-7 parts of calcium aluminate cement and 100 parts of mixed micropowder of silicon ash and aluminum oxide. The reference ingredient comprises 65-75% of refractory aggregate and 35-25% of refractory powder. The method comprises the following steps: evenly mixing the raw materials, pouring the mixture into an edge strip mold, compacting, and demolding after 18-24 hours, thereby forming the ceramic edge strip; and standing the formed ceramic edge strip for 1-2 days, thereby obtaining the ceramic edge strip which can be put into use. The ceramic edge strip does not need high-temperature sintering, and can be directly used after curing; the ineffective energy consumption of the furnace can be reduced; and the service life of the ceramic edge strip is 7-8 months.

Description

technical field [0001] The invention relates to a ceramic enclosure and a preparation method thereof, in particular to a ceramic enclosure for foam ceramic production and a preparation method thereof. Background technique [0002] The main production process of the existing foam ceramics (also known as vitrified foam ceramics) is: sending the ceramic powder into the kiln and directly foaming and firing at high temperature. During the firing process, it is necessary to use ceramic refractory bars to form a mold frame. Surround the ceramic powder. At present, this kind of ceramic refractory enclosure is mainly made of sintered cordierite-mullite, which can be used after being sintered at a high temperature of 1360~1400°C after molding. This kind of ceramic refractory fence is not only heavy (0.10㎏ / cm), but also has a short service life. Generally, it needs to be replaced within 2.5-3 months. In addition, this kind of ceramic refractory enclosure will absorb a large amount o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/66
Inventor 张强张宇杨政
Owner 一方科技发展有限公司
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