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Multiphase composite system infrared radiation ceramic powder and preparation method thereof

A technology of ceramic powder and infrared radiation, which is applied in the field of infrared radiation materials, can solve problems such as unstable infrared radiation performance, achieve excellent infrared radiation performance, reduce thermal expansion coefficient, and expand the application range

Inactive Publication Date: 2011-10-19
KING STRONG MATERIAL ENG LTD +1
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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 solve the technical problem of unstable infrared radiation performance of existing infrared radiation ceramic materials, and propose a multiphase composite system infrared radiation ceramic of spinel-silicate with good structure stability and excellent infrared radiation performance Powder and its preparation method

Method used

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  • Multiphase composite system infrared radiation ceramic powder and preparation method thereof
  • Multiphase composite system infrared radiation ceramic powder and preparation method thereof
  • Multiphase composite system infrared radiation ceramic powder and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Embodiment 1: by mass ratio: 50% Fe 2 o 3 , 30%MnO 2 , 6%CuO, 6%Mo 2 o 3 , 5%V 2 o 5 , 3%WO 3 For batching, the above ingredients are ball milled, mixed, dried and pressed into a block body, solid-phase synthesized at 1115°C for 3 hours, then crushed and crushed, and passed through a 320 mesh sieve to prepare a spinel solid solution Ceramic powder.

[0036] According to mass ratio: 40% spinel solid solution ceramic powder, 21% Al 2 o 3 , 26%SiO2 2 , 10%MgO, 1.5%BaO, 1.5%CaO for batching, the above ingredients were ball milled, mixed, dried and pressed to form a block green body, solid-phase synthesis was carried out at 1290°C for 5 hours, and then crushed and pulverized. 320-mesh sieve to prepare spinel-silicate multiphase composite system ceramic powder.

[0037]The normal full-band emissivity of the spinel-silicate multiphase composite system ceramic powder is 0.90, the emissivity of the 8μm~25μm band is 0.93, the emissivity of the 8μm~14μm band is 0.92, an...

Embodiment 2

[0038] Embodiment 2: by mass ratio: 30%Fe 2 o 3 , 49%MnO 2 , 10%Co 2 o 3 , 3%Mo 2 o 3 , 3%V 2 o 5 、5%WO 3 The batching is carried out, and the above ingredients are ball milled, mixed, dried, shaped, and solid-phase synthesized at 1050°C for 6 hours, then crushed and pulverized, and passed through a 320-mesh sieve to prepare spinel-type solid solution ceramic powder.

[0039] According to mass ratio: 20% spinel solid solution ceramic powder, 60% Al 2 o 3 , 11%SiO2 2 , 6%TiO 2 , 3% CaO for batching, the above ingredients were ball milled, mixed, dried and shaped, solid-phase synthesized at 1300 ° C for 2 hours, then crushed and pulverized, and passed through a 200-mesh sieve to prepare spinel-silicate poly Phase composite system ceramic powder.

[0040] The normal full-band emissivity of the spinel-silicate multiphase composite ceramic powder is 0.89, the emissivity in the 8μm~25μm band is 0.94, the emissivity in the 8μm~14μm band is 0.91, and the radiation in the ...

Embodiment 3

[0041] Embodiment 3: by mass ratio: 60%Fe 2 o 3 , 13%MnO 2 , 12%CuO, 5%Co 2 o 3 , 5%V 2 o 5 、5%WO 3 For batching, the above ingredients are ball milled, mixed, dried and formed, solid-phase synthesized at 1180° C. for 1 hour, then crushed and pulverized, and passed through a 320 mesh sieve to prepare spinel solid solution ceramic powder.

[0042] According to mass ratio: 20% spinel solid solution ceramic powder, 15.5% Al 2 o 3 , 56%SiO2 2 , 5% MgO, 3% BaO, 0.5% CaO for batching, the above ingredients were ball milled, mixed, dried and shaped, solid-phase synthesized at 1050 ° C for 8 hours, then crushed and pulverized, passed through a 500-mesh sieve, and prepared Spinel-silicate multiphase composite system ceramic powder.

[0043] The normal full-band emissivity of the spinel-silicate multiphase composite system ceramic powder is 0.89, the emissivity of the 8μm~25μm band is 0.92, the emissivity of the 8μm~14μm band is 0.91, and the radiation of the 14μm~25μm band T...

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Abstract

The invention discloses multiphase composite system infrared radiation ceramic powder applicable to products, such as infrared radiation energy-saving coating, an infrared radiation heater and the like, of a high-temperature industrial kiln (boiler). The multiphase composite system infrared radiation ceramic powder is prepared from the following raw materials in percentage by mass: 20 to 80 percent of spinel type solid melt ceramic powder, 6 to 60 percent of Al2O3, 5 to 56 percent of SiO2, 0 to 10 percent of MgO, 0 to 3 percent of BaO, 0 to 3 percent of CaO and 0 to 6 percent of TiO2, whereinthe spinel type solid melt ceramic powder is prepared from the following raw materials in percentage by mass: 0 to 60 percent of Fe2O3, 0 to 60 percent of MnO2, 0 to 12 percent of CuO, 0 to 10 percent of Co2O3, 0 to 6 percent of Mo2O3, 0 to 6 percent of NiO, 0 to 5 percent of V2O5 and 0 to 5 percent of WO3. The invention also discloses a preparation method of the multiphase composite system infrared radiation ceramic powder. All the raw materials are the common raw materials with wide sources; a spinel-silicate multiphase composite system has a stable structure, excellent infrared radiation property, can adjust the structure and the property of the materials easily by controlling the components, and has a wide application prospect.

Description

technical field [0001] The invention relates to the field of infrared radiation materials, in particular to a spinel-silicate multiphase composite system infrared radiation ceramic powder which is especially suitable for infrared radiation energy-saving coatings for high-temperature industrial kilns (boilers), infrared radiation heaters and other products materials and their preparation methods. Background technique [0002] Infrared radiation materials have attracted extensive attention due to their excellent infrared radiation performance, and have been widely used in energy saving of industrial furnaces, improvement of thermal efficiency of infrared heaters, and thermal control of spacecraft. At present, a variety of infrared radiation ceramic materials have been developed at home and abroad, mainly including zirconia system, zircon sand system, silicon carbide system, chromium oxide system, iron oxide-manganese oxide system, etc., but these infrared radiation ceramic mat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/443C04B35/26C04B35/622
Inventor 李春义黄端平徐庆张枫彭凡张建国李正曦王刚
Owner KING STRONG MATERIAL ENG LTD
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