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Porcelainized aluminum wear-resistant brick and preparation method thereof

A technology of vitrified aluminum and wear-resistant bricks, which is applied in the field of refractory materials, can solve problems such as poor wear resistance, and achieve the effects of good wear resistance, high mechanical strength, and improved density

Inactive Publication Date: 2018-03-27
吕梁耀金道冶金材料工程技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the shortcomings of the prior art, provide a ceramic aluminum wear-resistant brick and its preparation method, and solve the technical problem of poor wear resistance existing in existing refractory materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A vitrified aluminum wear-resistant brick in this embodiment is prepared from batching materials and binders, and the batching materials are prepared from the following raw materials in weight percentages: 60% of alumina vitrified aluminum particles, 10% silicon carbide particles, 25% bauxite clinker, and 5% Suzhou soil; the binder is a mixture of solid aluminum dihydrogen phosphate and sulfurous acid pulp waste liquid, and in the binder, solid aluminum dihydrogen phosphate and sulfite The weight ratio of the sulfuric acid pulp waste liquid is 1:3, and the addition amount of the binder is 4% of the total weight of the batch.

[0025] A method for preparing porcelain aluminum wear-resistant bricks, comprising the following steps:

[0026] 1) Preparation of alumina porcelain aluminum raw materials:

[0027] A. Select alumina waste ceramic insulators with a clean surface and no debris from the waste ceramic insulators;

[0028] B. Put the selected alumina-based waste cer...

Embodiment 2

[0039] A vitrified aluminum wear-resistant brick in this embodiment is prepared from batching materials and binders, and the batching materials are prepared from the following raw materials in weight percentages: 50% of alumina vitrified aluminum particles, Silicon carbide particles 17%, bauxite clinker 30%, Suzhou soil 3%; the binder is a mixture of solid aluminum dihydrogen phosphate and sulfurous acid pulp waste liquid, and in the binder, solid aluminum dihydrogen phosphate and sulfite The weight ratio of the sulfuric acid pulp waste liquid is 1:3, and the addition amount of the binder is 3% of the total weight of the batch.

[0040] A method for preparing porcelain aluminum wear-resistant bricks, comprising the following steps:

[0041] 1) Preparation of alumina porcelain aluminum raw materials:

[0042] A. Select alumina waste ceramic insulators with a clean surface and no debris from the waste ceramic insulators;

[0043] B. Put the selected alumina-based waste ceramic...

Embodiment 3

[0054] A vitrified aluminum wear-resistant brick in this embodiment is prepared from batching materials and binders, and the batching materials are prepared from the following raw materials in weight percentages: alumina porcelain aluminum particles 59%, Silicon carbide particles 20%, bauxite clinker 10%, Suzhou soil 11%; the binder is a mixture of solid aluminum dihydrogen phosphate and sulfurous acid pulp waste liquid, and in the binder, solid aluminum dihydrogen phosphate and sulfite The weight ratio of the sulfuric acid pulp waste liquid is 2:3, and the addition amount of the binder is 5% of the total weight of the batch.

[0055] A method for preparing porcelain aluminum wear-resistant bricks, comprising the following steps:

[0056] 1) Preparation of alumina porcelain aluminum raw materials:

[0057] A. Select alumina waste ceramic insulators with a clean surface and no debris from the waste ceramic insulators;

[0058] B. Put the selected alumina-based waste ceramic i...

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Abstract

The invention belongs to the technical field of refractory matters, and particularly relates to a porcelainized aluminum wear-resistant brick and a preparation method thereof, which mainly solve the technical problem that an existing refractory matter is poor in wear-resisting property. The invention has the technical scheme that the porcelainized aluminum wear-resistant brick is prepared from a mixed batch and a binding agent, wherein the mixed batch is prepared from the following raw materials in percentage by weight: 50 to 70 percent of aluminum oxide porcelainized aluminum particle, 10 to20 percent of silicon carbide particle, 10 to 30 percent of bauxite clinker, and 3 to 11 percent of Suzhou clay; the binding agent is a mixture of solid aluminum dihydrogen phosphate and lignosulfite;the additive amount of the binding agent is 3 to 8 percent of the total weight of the mixed batch. The preparation method of the porcelainized aluminum wear-resistant brick comprises the following steps of (1) preparing an aluminum oxide porcelainized aluminum raw material; (2) preparing the binding agent; (3) mixing and milling the raw material; (4) forming to make a blank; (5) drying; (6) firing; (7) cooling to obtain a finished product. The porcelainized aluminum wear-resistant brick provided by the invention has the advantages of high wear resistance, long service life, capability of low-temperature firing, and the like.

Description

technical field [0001] The invention belongs to the technical field of refractory materials, in particular to a vitrified aluminum wear-resistant brick and a preparation method thereof. Background technique [0002] In industrial production, rotary kilns are used in a wide range of fields, such as cement industry, lime calcination, bauxite calcination and other industries. The good wear resistance of the working layer materials in the low temperature area of ​​the rotary kiln head and kiln tail used has always been one of the focuses of relevant scientific and technological workers. [0003] However, the wear resistance of the existing refractory materials is poor. How to apply waste ceramic insulators to refractory materials to improve their wear resistance and prolong their service life is an urgent problem to be solved in industry. Contents of the invention [0004] The purpose of the present invention is to overcome the shortcomings of the prior art, provide a vitrifi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/13C04B33/132C04B35/66
CPCC04B33/131C04B33/1324C04B35/6309C04B35/66C04B2235/3217C04B2235/3826C04B2235/5418C04B2235/5427C04B2235/5436C04B2235/96C04B2235/9607Y02P40/60
Inventor 闫承华闫祖宁曹宏光闫业玉刘丽君李海君闫祖渊
Owner 吕梁耀金道冶金材料工程技术有限公司
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