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A kind of corrosion-resistant ceramic roller rod coating and preparation method thereof

A ceramic roller rod and corrosion-resistant technology, which is applied in the direction of anti-corrosion coatings, fireproof coatings, coatings, etc., can solve the problems of increasing the loss of ceramic roller rods, increasing the production and operation costs of ceramic factories, and breaking rods, so as to reduce the cost of broken rods Chance, prolong service life, reduce the effect of sticking

Active Publication Date: 2022-06-24
FOSHAN CERAMICS RES INST GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, the rod nail will react with the ceramic roller through the coating reaction layer, causing the internal quality of the ceramic roller to change, and it is easy to cause the ceramic roller to break during use, thereby increasing the loss of the ceramic roller and increasing the ceramic roller. Factory production and operating costs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] This embodiment provides a corrosion-resistant ceramic roller coating, which includes a matrix component and a suspension component;

[0046] Wherein, the formula of matrix component by weight is:

[0047] 1 part of boron nitride, 30 parts of aluminum-chromium slag, 34 parts of fused white corundum, 30 parts of calcined alumina, and 5 parts of kaolin;

[0048] Among them, the maximum particle size of boron nitride is 1.8μm, and the content of BN is 99.5wt%; Cr in the aluminum-chromium slag 2 O 3 The content is 18.4wt%, Al 2 O 3 Its content is 76.5wt%, the content of solid solution is 94wt%; its maximum particle size is 35μm; fused white corundum Al 2 O 3 The content is 99.5wt%, Fe 2 O 3 The content is 0.05wt%, the maximum particle size is 40μm; calcined alumina Al 2 O 3 The content is 99.5wt%, Fe 2 O 3 The content of kaolin is 0.05wt%, and its maximum particle size is 4μm; Al in kaolin 2 O 3 The content is 34wt%, Fe 2 O 3 The content is 0.5wt%, and the ma...

Embodiment 2

[0054] This embodiment provides a corrosion-resistant ceramic roller coating, which includes a matrix component and a suspension component;

[0055] Wherein, the formula of matrix component by weight is:

[0056] 2 parts of boron nitride, 20 parts of aluminum chromium slag, 50 parts of fused white corundum, 25 parts of calcined alumina, and 3 parts of kaolin;

[0057] Among them, the maximum particle size of boron nitride is 1.8μm, and the content of BN is 99.5wt%; Cr in the aluminum-chromium slag 2 O 3 The content is 18.4wt%, Al 2 O 3 Its content is 76.5wt%, the content of solid solution is 94wt%; its maximum particle size is 35μm; fused white corundum Al 2 O 3 The content is 99.5wt%, Fe 2 O 3 The content is 0.05wt%, the maximum particle size is 40μm; calcined alumina Al 2 O 3 The content is 99.5wt%, Fe 2 O 3 The content of kaolin is 0.05wt%, and its maximum particle size is 4μm; Al in kaolin 2 O 3 The content is 34wt%, Fe 2 O 3 The content is 0.5wt%, and the m...

Embodiment 3

[0062] This embodiment provides a corrosion-resistant ceramic roller coating, which includes a matrix component and a suspension component;

[0063] Wherein, the formula of matrix component by weight is:

[0064] 3 parts of boron nitride, 10 parts of aluminum chromium slag, 57 parts of fused white corundum, and 30 parts of calcined alumina;

[0065] Among them, the maximum particle size of boron nitride is 1.8μm, and the content of PN is 99.5wt%; Cr in the aluminum-chromium slag 2 O 3 The content is 18.4wt%, Al 2 O 3 Its content is 76.5wt%, the content of solid solution is 94wt%; its maximum particle size is 35μm; fused white corundum Al 2 O 3 The content is 99.5wt%, Fe 2 O 3 The content is 0.05wt%, the maximum particle size is 40μm; calcined alumina Al 2 O 3 The content is 99.5wt%, Fe 2 O 3 Its content is 0.05wt%, and its maximum particle size is 4μm.

[0066] Wherein, the formula of the suspended component by weight is:

[0067] 35 parts of water, 0.8 parts of c...

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Abstract

The invention discloses a corrosion-resistant ceramic roller coating, which comprises a matrix component and a suspension component, and the weight ratio of the matrix component to the suspension component is (3.5-6.5): (3.5-6.5); The matrix component includes the following raw materials in parts by weight: 1-5 parts of boron nitride, 10-30 parts of aluminum chromium slag, 30-60 parts of fused white corundum, 20-30 parts of calcined alumina, and 0-5 parts of kaolin ; The sum of the boron nitride, aluminum chromium slag, fused white corundum, calcined alumina and kaolin is 100 parts by weight; the suspension components include water and suspending agent. Correspondingly, the invention also discloses a preparation method of the corrosion-resistant ceramic roller coating. The implementation of the present invention can effectively reduce the adhesion of rod nails on the paint surface, reduce the probability of rod breakage after the roller rod is corroded by acid and alkali, and prolong the service life of the roller rod.

Description

technical field [0001] The invention belongs to the field of new material preparation, in particular to a corrosion-resistant ceramic roller coating and a preparation method thereof. Background technique [0002] At present, the coatings used on the surface of ceramic rollers are mainly Al 2 O 3 -SiO 2 Department of refractory coating. Due to the use of this coating, the ceramic roller is effectively protected, the wear of the ceramic roller by the tiles walking on the ceramic roller during use is reduced, and the wear and tear of the ceramic roller is greatly reduced. However, when this kind of paint is used on the ceramic rollers of roller kilns such as fired tiles, vitrified tiles and antique tiles, alkaline substances such as magnesia brick base powder and glaze are easily adhered to the surface of the paint. These alkaline substances react with the acidic substances of the fuel or the raw material of the green body at high temperature, and adhere firmly to the surfa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D1/00C09D7/61C09D7/65C09D5/08
CPCC09D1/00C09D7/61C09D7/65C09D5/08C09D5/18
Inventor 刘程彭兆瑀冯斌杨华亮孔令锋叶浩广
Owner FOSHAN CERAMICS RES INST GRP CO LTD