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Baking-free castable

A technology for burning castables and castables, which is applied in the field of non-metallic refractory materials to achieve the effect of saving oven costs and maintenance

Inactive Publication Date: 2016-10-05
焦作诺尔曼炉业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In furnace building, refractory materials and other books and actual work, the information we have obtained is that the maintenance and baking of castables are necessary, and the baking must be treated seriously and carefully. A little mistake will cause serious losses, especially for high-end castables. Refractories

Method used

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with specific embodiments.

[0026] In the zero-bake castable of the present invention, the zero-bake castable is prepared from the following raw material components in parts by weight:

[0027] High alumina aggregate 55-70, Al in the high alumina aggregate 2 o 3 The content is 55-99%, and the particle size is 0-8mm;

[0028] High alumina fine powder 15-20, Al in the high alumina fine powder 2 o 3 The content is 80~99%, 3μm<particle size≤0.076mm;

[0029] Alumina micropowder 2~6, the Al in described alumina micropowder 2 o 3 The content is 99%, the particle size is ≤3μm;

[0030] Microsilica powder 2-6, SiO in the microsilica powder 2 The content is 92~96%, the particle size is ≤0.2μm;

[0031] Calcium aluminate cement 0.5~3, Al in the calcium aluminate cement 2 o 3 The content is 50-70%, and the particle size is ≤30μm;

[0032] Sodium tripolyphosphate 0.03~0.2;

[0033] Comprehensive expl...

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Abstract

The invention discloses a zero-baking castable which is prepared from the raw materials including, by weight, 55-70 parts of a high-aluminum aggregate, 15-20 parts of high-aluminum fine powder, 2-6 parts of aluminum oxide micro-powder, 2-6 parts of silicon micro-powder, 0.5-3 parts of calcium aluminate cement, 0.03-0.2 parts of sodium tripolyphosphate, and 0.2-0.8 parts of a comprehensive explosion-proof agent which is prepared from the raw materials including, by weight, 5-10 parts of aluminum powder in 200 meshes, 10-15 parts of aluminum powder in 100 meshes, 5-8 parts of aluminum powder in 40 meshes, 8-12 parts of basic aluminum lactate, 5-8 parts of azodicarbonamide and 20-30 parts of water-soluble fiber at 60 DEG C. The zero-baking castable is free of maintenance and furnace baking, can be applied directly, can save the cost of furnace baking and can save the time of maintenance and furnace baking.

Description

technical field [0001] The invention relates to the technical field of non-metallic refractory materials, in particular to a zero-baking casting material. Background technique [0002] After the construction of the castable is completed, necessary maintenance and baking work is required. Insufficient curing time affects the strength of the castable. Insufficient baking time or careless operation during baking will cause serious quality accidents such as cracks, bursts, falling blocks or even collapses during the baking of the castable or after it is put into use. Therefore, the user unit of the castable will give the castable a minimum of 3 days of curing time after the construction of the castable, and a baking time of 5 to 20 days depending on the size of the castable. In furnace building, refractory materials and other books and actual work, the information we have obtained is that the maintenance and baking of castables are necessary, and the baking must be treated seri...

Claims

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Application Information

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IPC IPC(8): C04B35/66
Inventor 焦顺杰王伟王振宇
Owner 焦作诺尔曼炉业有限公司
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