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Aluminum silicon carbide pouring material

A technology of aluminum silicon carbide and castables, which is applied in the field of castables, can solve problems such as not being able to meet the needs, and achieve the effects of high compressive strength, short curing time and good fluidity

Active Publication Date: 2014-01-08
ANHUI NINGHUO NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] With the continuous development of refractory materials, the quality of castables is also constantly improving. Although a variety of castables with specific functions have been developed, they still cannot meet the needs. How to prepare a kind of castable with good compactness and good alkali resistance, Pouring castables with short curing time, strong oxidation resistance and strong skinning resistance have become a technical problem to be solved urgently

Method used

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  • Aluminum silicon carbide pouring material
  • Aluminum silicon carbide pouring material
  • Aluminum silicon carbide pouring material

Examples

Experimental program
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Effect test

Embodiment 1

[0018] A kind of aluminum silicon carbide castable, its component comprises as follows by weight part:

[0019] Aggregate, which includes 7 parts of silicon carbide with a particle size of less than 1 mm, 12 parts of silicon carbide with a particle size of 1-4 mm, 10 parts of electric power industrial ceramics with a particle size of less than 1 mm, and 9 parts of electric power industrial ceramics with a particle size of 1-4 mm 10 parts of power industrial ceramics with a particle size of less than 8 mm;

[0020] Fine powder, which includes 10 parts of electric porcelain machining ball mill powder with a particle size of less than 0.088 mm, 8 parts of silicon carbide fine powder with a particle size of less than 0.064 mm, 4 parts of alumina fine powder with a particle size of less than 2 μm, and 3 parts of silicon micropowder with a particle size of less than 1 μm parts, CA-50-N cement 9 parts;

[0021] Binder, which includes 3 parts of silicon fine powder with a particle si...

Embodiment 2

[0029] A kind of aluminum silicon carbide castable, its component comprises as follows by weight part:

[0030] Aggregate, which includes 12 parts of silicon carbide with a particle size of less than 1 mm, 16 parts of silicon carbide with a particle size of 1-4 mm, 15 parts of power industry ceramics with a particle size of less than 1 mm, and 15 parts of power industry ceramics with a particle size of 1-4 mm 17 parts of electric power industrial ceramics with a particle size of 4-8 mm;

[0031] Fine powder, which includes 15 parts of ball mill powder for electric porcelain processing with a particle size of less than 0.082 mm, 10 parts of silicon carbide fine powder with a particle size of less than 0.057 mm, 2 parts of alumina fine powder with a particle size of less than 1.5 μm, and silicon micropowder with a particle size of less than 1 μm 5 parts, 6 parts of CA-50-N cement;

[0032] Binder, which includes 5 parts of silica fine powder with a particle size of less than 0....

Embodiment 3

[0040] A kind of aluminum silicon carbide castable, its component comprises as follows by weight part:

[0041] Aggregate, which includes 12 parts of silicon carbide with a particle size of less than 1 mm, 12 parts of silicon carbide with a particle size of 1-4 mm, 15 parts of electric power industrial ceramics with a particle size of less than 1 mm, and 9 parts of electric power industrial ceramics with a particle size of 1-4 mm 17 parts of electric power industrial ceramics with a particle size of 4-8 mm;

[0042] Fine powder, which includes 10 parts of electromagnetic processing ball mill powder with a particle size of less than 0.088 mm, 10 parts of silicon carbide fine powder with a particle size of less than 0.064 mm, 2 parts of alumina fine powder with a particle size of less than 2 μm, and 4 parts of silicon micropowder with a particle size of less than 1 μm parts, 8 parts of CA-50-N cement;

[0043] Binder, which includes 4 parts of silica powder with a particle size...

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Abstract

The invention discloses an aluminum silicon carbide pouring material which comprises the following components in parts by weight: an aggregate, fine powder, a bonding agent and additives, wherein the aggregate comprises 19-28 parts of silicon carbide with a grain diameter being smaller than 4mm and 29-47 parts of electric industrial ceramics with the grain diameter being smaller than 8mm; the fine powder comprises 10-15 parts of electrical porcelain processing ball milled powder with the grain diameter being smaller than 0.088mm, 8-10 parts of fine silicon carbide powder with the grain diameter being smaller than 0.064 mm, 2-4 parts of aluminum oxide micropowder with the grain diameter being smaller than 2 micrometers, 3-5 parts of silicon micropowder with the grain diameter being smaller than 1 micrometer and 6-9 parts of CA-50-N cement; the bonding agent comprises 3-5 parts of silicon micropowder with the grain diameter being smaller than 1 micrometer and 6-9 parts of the CA-50-N cement with the grain diameter being 7-14 micrometers; the additives include 0.05-0.15 part of polyphosphate with the grain diameter being smaller than 0.45mm and 0.02-0.04 parts of polycarboxylate with the grain diameter being smaller than 0.45mm.

Description

technical field [0001] The invention relates to the technical field of castables, in particular to an aluminum carbide silicon carbide castable. Background technique [0002] Castables are granular and powdery materials made of refractory materials. They have no fixed shape and can be made into slurry, mud paste and loose. They are mainly used to construct various integral structures such as linings of heating furnaces. Some high-quality varieties can also be used in smelting furnaces. The castables have high fluidity and are generally molded at the site by pouring, vibration or tamping. They can also be made into prefabricated parts. The castables can be used to form seamless The overall structure of the compound is usually only prepared through the preparation of granular and powdery materials and the kneading process of the mixture. [0003] With the continuous development of refractory materials, the quality of castables is also constantly improving. Although a variety ...

Claims

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Application Information

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IPC IPC(8): C04B35/66
Inventor 罗明汪政南郭兴志刘斌王勇王启明汪家兴
Owner ANHUI NINGHUO NEW MATERIAL
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