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High-temperature-resistant anti-oxidation coating

An anti-oxidation coating and high-temperature-resistant technology, which is applied in the coating and other directions, can solve the problems of the coating losing its protective effect, failing to achieve the protective effect, lifting and falling off of the coating, achieving strong anti-oxidation ability, and the brushing operation process is simple and safe , The effect of reducing the damage of the container

Inactive Publication Date: 2013-06-26
河北海丽特种石墨制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After the paint is painted, in order to prevent it from falling off and ensure the use effect, it usually needs to be painted repeatedly many times. During the baking process, the paint is prone to warping and falling off, which will cause the paint to lose its protective effect. to be repainted
In the production process of graphite, the container is placed in a high-temperature oxidizing environment, and the baking time is very long each time. Generally, this kind of coating can only be added two to three times on the basis of the original use of the container, and it cannot achieve good protection. Effect

Method used

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  • High-temperature-resistant anti-oxidation coating

Examples

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Comparison scheme
Effect test

Embodiment 1

[0019] A high-temperature-resistant and anti-oxidation paint, the composition and percentage of the paint are: 55% calcium aluminate, 10% sodium silicate, 15% ceramic micropowder, and the rest is water.

[0020] The configuration steps of the coating are:

[0021] A. First prepare the raw materials, grind the larger raw materials finely, and the particle size after fine crushing is less than 30 μm. Calculate the required amount of raw materials according to the percentage of the required ingredients. After the calculation is completed, weigh according to the requirements to ensure the weighing precise;

[0022] B. Put the aluminate, silicate, ceramic micropowder and water in a mixer and stir thoroughly to ensure that all raw materials can be mixed evenly and completely mixed into a paste;

[0023] C. Stir the paint until it becomes a paste, then stop, and the obtained paint is the required paint, take it out from the mixer and set it aside.

[0024] The using method of coati...

Embodiment 2～6

[0027] The preparation method and the use method of coating in embodiment example 2~6 are identical with embodiment 1, and difference is that each composition and percentage thereof are in the described coating:

[0028]

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Abstract

The invention discloses a high-temperature-resistant anti-oxidation coating, comprising the following components in percentage by weight: 50-60% of aluminate, 8-13% of silicate, 12-18% of ceramic micro powder, and the balance of water. The coating is prepared through the following steps of: crushing the prepared raw materials, fully stirring in a stirring machine, uniformly mixing into a paste, and taking out for later use. The components of the coating are simple and easy to collect, the coating is simple in preparation step and convenient to prepare and cannot cause harms to human bodies, and a brushing operation process is simple and safe. The components of the coating are stable in chemical property, and have strong oxidation resistance at high temperature to reduce oxidation burning loss, so that damages caused by high-temperature oxidation to a container are reduced, a cooled coating layer is easy to clean, the working efficiency is improved, and the production cost is reduced.

Description

technical field [0001] The invention relates to an anti-oxidation protective material for carbon steel products, in particular to a high-temperature-resistant anti-oxidation coating. Background technique [0002] Graphite not only has high temperature resistance and good electrical and thermal conductivity, but also has stable chemical properties, so it is widely used in various industries. At present, artificial graphite is mostly used in industry, that is, special graphite. The production method of special graphite is divided into isostatic graphite, molded graphite and extruded graphite according to the molding method. Commonly used special graphite profiles are mostly cuboids, cubes and cylinders. [0003] In the molding production process of cylindrical graphite, the matrix needs to be placed in a container with a matching shape, and then the container is placed in a roasting furnace for multiple long-term high-temperature roasting. At present, most of the containers ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D7/12
Inventor 张占林
Owner 河北海丽特种石墨制造有限公司
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