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Siliceous composite plate, and preparation method and application thereof

A composite plate and silicon technology, which is applied in the field of energy saving and environmental protection, can solve the problems of short service life of thermal insulation materials, etc., and achieve the effects of strong oxidation resistance, increased heat utilization rate, and improved combustion rate

Active Publication Date: 2013-02-13
珠海圣世科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The commonly used refractory materials and insulation materials have a short service life and require frequent maintenance, which has a huge impact on production

Method used

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  • Siliceous composite plate, and preparation method and application thereof
  • Siliceous composite plate, and preparation method and application thereof
  • Siliceous composite plate, and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] a) Batching: Put the raw materials into the machine according to the ratio in Table 1 and stir them.

[0029]

[0030] Table 1

[0031] b) Dissolving: Mix the various raw materials described in step a) together, and dissolve the adhesive relatively, and put in an appropriate amount of water.

[0032] c) Co-precipitation: zirconia is precipitated out of the precipitate, causing other soluble raw materials to precipitate together.

[0033] d) Filtration and water washing: filter the precipitated raw materials and purify and wash them with water.

[0034] e) Drying: Dry the siliceous composite material to 1% at a temperature of 80 degrees.

[0035] f) Airflow crushing: This is one-time crushing, using the self-grinding effect of the siliceous composite material, and impacting the material with high-speed airflow or hot steam generated by compressed air, so that the siliceous composite materials have strong collision and friction with each other , in order to achieve ...

Embodiment 2

[0039] a) Ingredients: Put the raw materials into the machine according to the ratio shown in Table 2 and stir them, among which 10% zirconia, 3% titanium oxide and 1% yttrium oxide are mixed, and the remaining raw materials are added in the secondary crushing.

[0040]

[0041] Table 2

[0042] b) Dissolving: Mix the various raw materials described in step a) together, and dissolve the adhesive relatively, and put in an appropriate amount of water.

[0043] c) Co-precipitation: zirconia is precipitated out of the precipitate, causing other soluble raw materials to precipitate together.

[0044] d) Filtration and water washing: filter the precipitated raw materials and purify and wash them with water.

[0045] e) Drying: Dry the siliceous composite material to 1% at a temperature of 100 degrees.

[0046] f) Jet milling: There are two times of milling here, and after the first milling, step g) is performed for sintering. After sintering, add the remaining zirconia 2.5%, t...

Embodiment 3

[0050] a) Ingredients: Put the raw materials into the machine according to the ratio shown in Table 3 and stir them. For the first crushing, put 5% of zirconia, 1% of titanium oxide, 0.5% of yttrium oxide, and no magnesia. Put in 4.5% zirconia, 1.5% titanium oxide, 0.5% yttrium oxide, and no magnesia for crushing, and put 3.5% zirconia, 0.5% titanium oxide, and 1% magnesia for the third crushing.

[0051]

[0052] table 3

[0053] b) Dissolution: Mix the various raw materials of the implementation method 3 together, and dissolve the adhesive relatively, and put in an appropriate amount of water.

[0054] c) Co-precipitation: zirconia is precipitated out of the precipitate, causing other soluble raw materials to precipitate together.

[0055]d) Filtration and water washing: filter the precipitated raw materials and purify and wash them with water.

[0056] e) Drying: Dry the siliceous composite material to 1% at a temperature of 120 degrees.

[0057] f) Jet milling: There...

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Abstract

The invention discloses a siliceous composite plate, and a preparation method and application thereof. The siliceous composite plate comprises, by weight, 60%-70% of silicon carbide / silicon nitride / silicon oxide, 10%-15% of zirconium oxide, 2%-4% of manganese oxide, 3%-3.5% of titanium oxide, 1%-2% of magnesium oxide, 1.5%-3% of alumina, 1%-3% of yttrium oxide and 2%-10% of adhesive. The siliceous composite plate has the advantages of being resistant to high temperature, small in deformation, high in strength and oxidation-resistant capability and regular in appearance and remarkably prolonging service life, and solves the problems that in the prior art, a fire-resistant thermal insulation material is poor in oxidation resistance, cracks easily, and is poor in thermal insulation performance and high-temperature bending strength and the like. The siliceous composite plate can be applied to waste incineration furnaces, industrial kilns, boilers, smelting furnaces, engines and power station combustion furnaces and has the capability of being resistant to any thermal shock.

Description

technical field [0001] The invention relates to a plate and its preparation method and application, especially a siliceous composite plate and its preparation method and application. It belongs to the field of energy saving and environmental protection. Background technique [0002] Nowadays, the selection requirements for refractory insulation materials in various fields are based on heat insulation, light weight, high temperature resistance and long service life. Refractory insulation materials refer to inorganic non-metallic materials with a refractoriness greater than or equal to 1580 degrees, which can resist sudden temperature changes and slag erosion to a certain extent, and can withstand high temperature loads. Refractory materials are mainly used in high-temperature thermal equipment and various kilns in industrial production. The inner walls of industrial equipment and various kilns must have high temperature resistance, certain strength and good thermal insulati...

Claims

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Application Information

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IPC IPC(8): C04B35/14C04B35/565C04B35/584C04B35/622F23G5/44F27D1/00F23M5/00
Inventor 刘贡友
Owner 珠海圣世科技有限公司
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