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Building refractory material and preparation method thereof

A refractory material and building technology, applied in the field of building refractory materials and its preparation, can solve the problems of poor refractoriness, bending resistance and pressure resistance, and achieve the effect of good thermal shock resistance and high oxidation temperature

Active Publication Date: 2021-11-30
JIAOZUO JINXIN HENGTUO REFRACTORIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But at the same time, there are still problems of poor fire resistance, bending resistance and pressure resistance.

Method used

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  • Building refractory material and preparation method thereof

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preparation example Construction

[0033] The preparation method of described building refractory material, comprises the following steps:

[0034] S1: Wet-grind andalusite, nano-zirconia, flake graphite, silicon carbide, silicon nitride, and silicon dioxide with a planetary ball mill, the motor speed is 600-800r / min, and the ball milling time is 35-45min;

[0035]S2: Add andalusite, nano-zirconia, flake graphite, silicon carbide, silicon nitride, and silicon dioxide obtained in step S1 into the stirring tank in sequence, and pre-mix for 15-25 minutes at a rotation speed of 100-200 r / min;

[0036] S3: Add the mixed material obtained in step S2 into a mixer, then add polyvinyl alcohol, dispersant sodium pyrophosphate, and calcium aluminate cement aggregate in sequence, and mix for 25 to 30 minutes;

[0037] S4: placing the mixed material obtained in step S3 in a pressure molding machine, and pre-press molding at a pressure of 100-150 MPa;

[0038] S5: Place the wet billet obtained in step S4 in a vacuum drying ...

Embodiment 1

[0042] Building refractory materials, in parts by weight, include the following raw materials: 45 parts of andalusite, 12 parts of nano-zirconia with a particle size of 40nm, 33 parts of flake graphite with a size of 0.06mm, 7 parts of silicon carbide, and 4 parts of silicon nitride , 20 parts of distilled water, 35 parts of polyvinyl alcohol, 7 parts of dispersant sodium pyrophosphate, 60 parts of calcium aluminate cement aggregate.

[0043] The preparation method of described building refractory material, comprises the following steps:

[0044] S1: Use a planetary ball mill to wet-grind andalusite, nano-zirconia, flake graphite, silicon carbide, silicon nitride, and silicon dioxide. The ratio of raw material mass to abrasive grain mass is 1:2, and the motor speed is 600r / min. The time is 35 minutes;

[0045] S2: Add andalusite, nano-zirconia, flake graphite, silicon carbide, silicon nitride, and silicon dioxide obtained in step S1 into the stirring tank in sequence, and pre...

Embodiment 2

[0051] Building refractory materials, in parts by weight, include the following raw materials: 76 parts of andalusite, 20 parts of nano-zirconia with a particle size of 60nm, 45 parts of flake graphite with a size of 0.09mm, 18 parts of silicon carbide, and 12 parts of silicon nitride , 38 parts of distilled water, 60 parts of polyvinyl alcohol, 16 parts of dispersant sodium pyrophosphate, 110 parts of calcium aluminate cement aggregate.

[0052] The preparation method of described building refractory material, comprises the following steps:

[0053] S1: Use a planetary ball mill to wet-grind andalusite, nano-zirconia, flake graphite, silicon carbide, silicon nitride, and silicon dioxide. The ratio of raw material mass to abrasive grain mass is 1:2, and the motor speed is 800r / min. The time is 35 minutes;

[0054] S2: Add andalusite, nano-zirconia, flake graphite, silicon carbide, silicon nitride, and silicon dioxide obtained in step S1 into the stirring tank in sequence, and...

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Abstract

The invention discloses a building refractory material and a preparation method thereof, belonging to the technical field of building material preparation. The building refractory material includes the following raw materials: andalusite, nano-zirconia, flake graphite, silicon carbide, silicon nitride, silicon dioxide micropowder, dispersant sodium pyrophosphate, calcium aluminate cement aggregate, and the building refractory The material is made through the steps of preparing micropowder, premixing, kneading, pressing and molding. The building refractory material of the present invention uses nano zirconia, flake graphite, silicon carbide, and silicon nitride as reinforcement systems to jointly improve the refractoriness and resistance of the material.

Description

【Technical field】 [0001] The invention belongs to the technical field of building material preparation, and in particular relates to a building refractory material and a preparation method thereof. 【Background technique】 [0002] Refractory materials generally refer to inorganic non-metallic materials with a refractoriness above 1580°C. It includes natural ores and various products made through certain processes according to certain purposes. Refractory materials have certain high-temperature mechanical properties and good volume stability, and are necessary materials for various high-temperature equipment. In recent years, with the continuous upgrading of building codes, refractory materials are increasingly used in the construction industry. Common building refractory materials include glass wool, aluminum silicate fiber, ceramic fiber, etc., but these traditional refractory materials generally have the defects of poor refractoriness, poor resistance, and weak erosion re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/66
CPCC04B35/66C04B2235/3222C04B2235/3244C04B2235/3463C04B2235/3826C04B2235/3873C04B2235/425C04B2235/447C04B2235/6562C04B2235/6567C04B2235/661C04B2235/96C04B2235/9607
Inventor 不公告发明人
Owner JIAOZUO JINXIN HENGTUO REFRACTORIES
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