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Far infrared ceramic material and preparation method thereof

A far-infrared ceramic and multi-element technology, applied in the field of nano far-infrared materials, can solve the problems of affecting the use effect, high cost, coarse particles, etc., and achieve the effects of improving energy saving efficiency, improving adhesion, and simple preparation process

Inactive Publication Date: 2011-05-25
中国石化集团胜利石油管理局有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Chinese patent CN101302365 discloses a far-infrared coating and its preparation method, and Chinese patent CN101054289 discloses a high-temperature resistant far-infrared radiation ceramic coating, which uses 10 parts of 200 mesh zirconium dioxide, 20 parts of 200 mesh zirconium quartz sand, 10 parts of feldspar, 7 parts of cerium oxide of 300 mesh, 15 parts of manganese trioxide of 300 mesh, 3 parts of manganese oxide of 300 mesh, 2 parts of titanium dioxide of 600 mesh, 10 parts of alumina of 200 mesh, 10 parts of graphite of 400 mesh, 10 parts of graphite of 400 mesh It is composed of 3 parts of boron nitride and 10 parts of 200-mesh silicon carbide. Although some infrared radiation ceramic materials are disclosed in the above patent, the particles are relatively coarse and the cost is high, which affects the actual use effect.

Method used

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Examples

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Effect test

Embodiment 1

[0015] A method for preparing a medium-high temperature far-infrared ceramic material, the method comprising the following steps:

[0016] (1) Weigh raw materials according to the following parts by weight: 5 parts by weight of zirconia, 30 parts by weight of zirconium silicate, 15 parts by weight of α-alumina, 5 parts by weight of manganese oxide, and 2 parts by weight of boron nitride. Pulverize to an average particle size of 1 micron, depolymerize with a flat jet mill after drying, and set aside. The purity of the α-alumina is 99.99%.

[0017] (2) The feldspar is pulverized into feldspar powder with an average particle size of 1 μm by a fluidized bed jet mill, and is set aside.

[0018] (3) Preparation of medium and high temperature far-infrared ceramic materials

[0019] Mix according to the following proportions by weight: 5 parts by weight of zirconia obtained in step (1), 30 parts by weight of zirconium silicate, 15 parts by weight of α-alumina, 5 parts by weight of m...

Embodiment 2

[0021] A method for preparing a medium-high temperature far-infrared ceramic material, the method comprising the following steps:

[0022] (1) Weigh raw materials according to the following parts by weight: 15 parts by weight of zirconia, 10 parts by weight of zirconium silicate, 20 parts by weight of α-alumina, 15 parts by weight of manganese oxide, and 1 part by weight of boron nitride, mix them with a sand mill Pulverize to an average particle size of 1 μm, depolymerize with a flat jet mill after drying, and set aside. The purity of the α-alumina is 99%.

[0023] (2) Grinding the feldspar to a fine powder with an average particle diameter of 1 micron with a fluidized bed jet mill, and set aside.

[0024] (3) Preparation of medium and high temperature far-infrared ceramic materials

[0025] Mix according to the following proportions by weight: 15 parts by weight of zirconia obtained in step (1), 10 parts by weight of zirconium silicate, 20 parts by weight of α-alumina, 15 ...

Embodiment 3

[0027] A method for preparing a medium-high temperature far-infrared ceramic material, the method comprising the following steps:

[0028] (1) Weigh raw materials according to the following parts by weight: 10 parts by weight of zirconia, 20 parts by weight of zirconium silicate, 10 parts by weight of α-alumina, 15 parts by weight of manganese oxide, and 3 parts by weight of boron nitride, mix them with a sand mill Pulverize to an average particle size of 1 μm, depolymerize with a flat jet mill after drying, and set aside. The purity of the α-alumina is 99.5%.

[0029] (2) Grinding the feldspar to a fine powder with an average particle size of 1 μm with a fluidized bed jet mill, and set aside.

[0030] (3) Preparation of medium and high temperature far-infrared ceramic materials

[0031] Mix according to the following proportions by weight: 10 parts by weight of zirconia obtained in step (1), 20 parts by weight of zirconium silicate, 10 parts by weight of α-alumina, 15 parts...

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Abstract

The invention relates to a far infrared ceramic material. The material is multi-element mixed superfine powder which is prepared by mixing the following components in part by weight: 5 to 15 parts of zirconium oxide, 10 to 30 parts of zirconium silicate, 5 to 15 parts of feldspar, 10 to 20 parts of alpha-alumina, 5 to 15 parts of manganese oxide and 1 to 3 parts of boron nitride, wherein the average particle size of the multi-element mixed superfine powder is less than or equal to 1 micron. The zirconium oxide, the alpha-alumina and the manganese oxide in the raw materials adopted by the far infrared ceramic material have high far infrared emission performance; a coating which is formed by the zirconium silicate and the feldspar has compactness and high-temperature resistance; and the boron nitride has lubricity and adhesion resistance. The far infrared ceramic material is suitable to be applied to boiler water wall tubes, heating tube walls, high-temperature drying rooms and the like.

Description

technical field [0001] The invention relates to nanometer far-infrared materials, in particular to a medium-high temperature far-infrared ceramic material and a preparation method thereof. Background technique [0002] Infrared radiation ceramic material is a new type of light-to-heat conversion material, which has been widely used in environmental protection, medical treatment, health care, military, energy saving and other fields. In CN1940002, a normal-temperature far-infrared energy-saving material within a meter discloses a nano-composite normal-temperature far-infrared radiation material. CN1463940 high-radiation far-infrared sintered glaze discloses a far-infrared enamel glaze, especially an enamel glaze sintered on iron pipes. Chinese patent CN101302365 discloses a far-infrared coating and its preparation method, and Chinese patent CN101054289 discloses a high-temperature resistant far-infrared radiation ceramic coating, which uses 10 parts of 200 mesh zirconium dio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/10C04B35/16C04B35/48C04B35/622
Inventor 陈振华卢春霞
Owner 中国石化集团胜利石油管理局有限公司
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