A kind of antiaging agent for high temperature resistant infrared coating and preparation method thereof

A technology of infrared coating and anti-aging agent, which is applied in the field of high-temperature protection of refractory materials, can solve the problems of poor anti-aging performance, and achieve the effects of simple composition, good high-temperature infrared radiation ability, and simple preparation steps

CN109678538BActive Publication Date: 2021-11-26SHENZHEN TRIUMPH TECH ENG +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2021-11-26

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Abstract

An antiaging agent for high-temperature resistant infrared coatings and a preparation method thereof, characterized in that: a. In parts by weight, 20-50 parts of silicon dioxide, 15-32 parts of silicon hexaboride, 15-32 parts of hexaboron Calcium chloride, 1-8 parts of boron trioxide, 3-12 parts of borosilicate glass are mixed and then added to the mixing tank for pre-mixing for 5-30 minutes; b. Then the mixture is added to the fluidized bed jet mill for shaping and mixing, and the classifier 1200~2300r / min, to obtain mixed powder with an average particle size of 0.1~4μm; c. The mixed powder is placed in a high-temperature furnace, heated to 850~1100℃ at 2~7℃ / min, kept for 1~3h, and sintered with furnace cooling d. The sintered material is crushed to an average particle size of 0.5-5mm, added to a fluidized bed jet mill for ultra-fine, and the classifier is 2400-3000r / min to obtain a high-temperature-resistant infrared coating with an average particle size of 0.1-2μm. Aging agent. The invention has simple composition and convenient preparation steps; it is stable and has good high-temperature infrared radiation ability, anti-oxidation ability and anti-washing ability in high-temperature complex atmosphere.
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Description

Technical field

[0001] The present invention belongs to the technical field of high temperature protection technology, and more particularly to an anti-aging agent for high temperature infrared coatings and a preparation method thereof. Background technique

[0002] In recent years, the research and development and application of high-temperature infrared coatings have been widely concerned at home and abroad, and a new number of new high-temperature infrared coatings have emerged, and are applied to new fields of high temperature equipment, such as glass melting kiln; but these high temperatures The infrared coating still has a problem of poor anti-aging resistance, making its infrared spectral radiation in a complex high temperature atmosphere, decreasing with the extension of the use time, seriously affecting its service and energy saving effect. Inventive content

[0003] It is an object of the present invention to solve the problem of poor aging resistance in existing high ...

Examples

Embodiment 1

[0020] A anti-aging agent for high temperature infrared coatings, is made of a raw material having a weight fraction ratio of a weight of 40 parts of silica having a average particle diameter of 3 μm, a hexaborant silicon, 23 parts of an average particle size of 0.1 μm. Siliconic silicon glass having an average particle diameter of 2 μm, 5 parts of dioxide, 8 parts of borosilicon glass having an average particle diameter of 8 μm.

[0021] A method for preparing high temperature infrared coatings for anti-aging agents, including the following steps:

[0022] a. Mix each of the raw materials is added to the mixing tank according to the number of weight parts described above.

[0023] b. Add to 3M 3 In the fluidized bed gas flow mill of / min, shaping and mixing is performed at a speed of 1750 r / min at a speed of the gas flow grinding machine, and the average particle size is 2 μm uniform mixed powder;

[0024] c. Then the uniform mixed powder is placed in a high temperature furnac...

Embodiment 2

[0027] An anti-aging agent for high temperature infrared coatings, is made of a raw material having a weight fraction ratio of a weight of 35 parts of a average particle diameter of 2 μm, and 15 parts of a average particle diameter of 2 μm are six borid silicon, 30 average Lixinate, 6 parts of the boron oxide, 6 parts of the boron oxide, and 6 parts of the average particle diameter of 1 μm.

[0028] A method for preparing high temperature infrared coatings for anti-aging agents, including the following steps:

[0029] a. Mix each of the raw materials is mixed in the mixing tank according to the weight of the above weight parts.

[0030] b. Add to the air intake 6m 3 In the fluidized bed gas flow mill of / min, shaping and mixing is performed under the speed of the airflow grinding machine to 2200R / min, and the average particle size is 0.9 μm uniform mixed powder;

[0031] c. The uniform mixed powder is then placed in a high temperature furnace, and the temperature is raised to 8...

Embodiment 3

[0034] An anti-aging agent for high temperature infrared coatings, is made of a raw material having a weight fraction ratio of a weight of 20 parts of silica having an average particle diameter of 0.5 μm, and 30 parts of a hexal boride of 1.6 μm, 15 A hexon silicon glass having an average particle diameter of 1 μm, 1 part of the three oxide, 9 parts of a borosilicon glass having a average particle diameter of 5.5 μm.

[0035] A method for preparing high temperature infrared coatings for anti-aging agents, including the following steps:

[0036] a. Mix each of the raw materials is added to the mixing tank according to the weight of the above weight parts.

[0037] b. Add to the air intake 6M 3 In the fluidized bed airflow mill of / min, shaping and mixing at the airflow mill is 1200r / min, and the average particle size is 2.1 μm uniform mixed powder;

[0038] c. Then the uniform mixed powder is placed in a high temperature furnace, and the temperature is raised to 1000 ° C at 6 ° ...