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High-strength thermal-shock-resistant wear-resistant silicon mullite brick and production process thereof

A production process and thermal shock resistance technology, applied in the field of refractory bricks, can solve the problem of insufficient thermal shock resistance of refractory bricks, and achieve the effects of strong thermal shock resistance, high thermal shock resistance, and high softening point under load

Inactive Publication Date: 2021-03-12
JIANGSU HENGNAI FURNACE CHARGE GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a high-strength thermal shock and wear-resistant silica brick and its production process, to solve the technical problem that the thermal shock resistance of refractory bricks is not high enough, to achieve the purpose of improving the thermal shock resistance of refractory bricks

Method used

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  • High-strength thermal-shock-resistant wear-resistant silicon mullite brick and production process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038]A high-strength thermal shock and wear-resistant silica brick, comprising:

[0039] 6wt% of natural sintered mullite with a particle size of 3-5mm;

[0040] 10 wt% of natural sintered mullite particles with a particle size of 1-3 mm;

[0041] 24wt% of andalusite particles with a particle size of 1-3mm;

[0042] 15 wt% of andalusite particles with a particle size of 0-1 mm;

[0043] 5 wt% of silicon carbide particles with a particle size of 0-1 mm;

[0044] Granularity is 200 mesh andalusite fine powder 10wt%;

[0045] Particle size is 250 mesh sillimanite fine powder 5wt%;

[0046] Granularity is 200 mesh refractory mud 5wt%;

[0047] The particle size is 5wt% of natural sintered mullite fine powder of 200 mesh;

[0048] Particle size is 10wt% of silicon carbide fine powder of 150 mesh;

[0049] Dextrin 0.5 wt%.

[0050] The production process of the above-mentioned high-strength thermal shock-resistant and wear-resistant silica bricks includes the following step...

Embodiment 2

[0057] A high-strength thermal shock and wear-resistant silica brick, including:

[0058] 7wt% of natural sintered mullite with a particle size of 3-5mm;

[0059] 11 wt% of natural sintered mullite particles with a particle size of 1-3mm;

[0060] 23wt% of andalusite particles with a particle size of 1-3mm;

[0061] 14wt% of andalusite particles with a particle size of 0-1mm;

[0062] 6 wt% of silicon carbide particles with a particle size of 0-1mm;

[0063] The particle size is 200 mesh andalusite fine powder 8wt%;

[0064] The particle size is 250 mesh sillimanite fine powder 6wt%;

[0065] Granularity is 200 mesh refractory mud 4wt%;

[0066] The particle size is 6wt% of natural sintered mullite fine powder of 200 mesh;

[0067] Particle size is 11wt% of silicon carbide fine powder of 150 mesh;

[0068] Dextrin 0.8wt%.

[0069] The production process of the above-mentioned high-strength thermal shock-resistant wear-resistant silica brick includes the following steps...

Embodiment 3

[0076] A high-strength thermal shock and wear-resistant silica brick, including:

[0077] 7wt% of natural sintered mullite with a particle size of 3-5mm;

[0078] 12 wt% of natural sintered mullite particles with a particle size of 1-3mm;

[0079] 22wt% of andalusite particles with a particle size of 1-3mm;

[0080] 13wt% of andalusite particles with a particle size of 0-1mm;

[0081] 7 wt% of silicon carbide particles with a particle size of 0-1 mm;

[0082] Particle size is 200 mesh andalusite fine powder 6wt%;

[0083] Particle size is 250 mesh sillimanite fine powder 7wt%;

[0084] Particle size is 200 mesh refractory mud 3wt%;

[0085] The particle size is 7wt% of natural sintered mullite fine powder of 200 mesh;

[0086] Particle size is 12wt% of silicon carbide fine powder of 150 mesh;

[0087] Dextrin 1wt%.

[0088] The production process of the above-mentioned high-strength thermal shock-resistant wear-resistant silica brick includes the following steps:

[0...

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Abstract

The invention belongs to the technical field of silicon mullite bricks, and particularly relates to a high-strength thermal-shock-resistant wear-resistant silicon mullite brick and a production process thereof. The high-strength thermal-shock-resistant wear-resistant silicon mullite brick comprises 10-40wt% of natural sintered mullite particles; 5-40 wt% of andalusite particles; 3-20wt% of siliconcarbide particles; 3-15 wt% of andalusite fine powder; 3-10wt% of sillimanite fine powder; 3-6 wt% of Suzhou mud; 5-10 wt% of mullite fine powder; 5-15 wt% of silicon carbide powder; and 0.5-1.5 wt%of dextrin. The high-strength thermal-shock-resistant wear-resistant silicon mullite brick and the production process thereof have the effects of high refractoriness under load, low creep deformationand high thermal shock resistance.

Description

technical field [0001] The invention belongs to the technical field of refractory bricks, and in particular relates to a high-strength thermal shock-resistant and wear-resistant silica brick and a production process thereof. Background technique [0002] Refractory bricks are referred to as firebricks. Refractory materials made of refractory clay or other refractory raw materials. Pale yellow or brownish. It is mainly used to build smelting furnaces, which can withstand high temperatures of 1580-1770°C. Also called fire brick. A refractory material of a certain shape and size. It can be used as high-temperature building materials and structural materials for building kilns and various thermal equipment, and can withstand various physical and chemical changes and mechanical actions at high temperatures. For example, refractory clay bricks, high alumina bricks, silica bricks, magnesia bricks, etc. [0003] Clay bricks usually use hard clay as raw material, pre-calcined c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/18C04B35/622C04B38/00
CPCC04B35/18C04B35/622C04B38/00C04B2235/3463C04B2235/3826C04B2235/5427C04B2235/5436C04B2235/656C04B2235/96C04B2235/9607
Inventor 韩亚伟崔军超王华龙
Owner JIANGSU HENGNAI FURNACE CHARGE GRP
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