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Refractory foamed brick and preparation method thereof

A foam brick and refractory technology, applied in the field of architectural ceramics, to achieve the effect of improving the performance of the fire resistance limit

Active Publication Date: 2021-04-06
GUANGDONG KITO CERAMICS GROUP CO LTD +4
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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 provide a refractory foamed brick and its preparation method, which aims to improve the fire resistance limit performance of the foamed brick and effectively improve the cracking problem of the foamed brick due to continuous heating

Method used

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  • Refractory foamed brick and preparation method thereof

Examples

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Embodiment 1

[0030] This embodiment provides a refractory foamed brick. The raw materials include 20 parts of waste brick shavings, 15 parts of potassium albite feldspar, 50 parts of polishing slag, 15 parts of kaolin, 5 parts of bismuth titanate, and 150 parts in parts by mass. 0.5 part of silicon carbide powder, 0.1 part of water reducer A and 0.1 part of water glass.

[0031] The present embodiment provides a kind of preparation method of refractory foam brick, comprises the following steps:

[0032] According to the raw material formula of the refractory foam brick provided in this example, weigh each component, mix all the raw materials and add water to ball mill for 9 hours, according to the quality of raw materials: balls: water = 1:1.5:0.6. Then carry out spray granulation, the particle size is controlled at 40 mesh-80 mesh ≧80%, and the moisture content after drying is <7%. . Set the firing system as normal temperature to 650°C, the heating time is 75min, 650°C for 50min, 650°C ...

Embodiment 2

[0035] This embodiment provides a refractory foamed brick. In terms of parts by mass, its raw materials include 20 parts of waste brick scraps, 15 parts of potassium albite feldspar, 50 parts of polishing slag, 15 parts of kaolin, 3 parts of lead titanate, and 150 parts of 0.7 parts of silicon carbide powder, 0.2 parts of water reducing agent A, 0.2 parts of water glass and 0.1 parts of sodium tripolyphosphate.

[0036] The present embodiment provides a kind of preparation method of refractory foam brick, comprises the following steps:

[0037]According to the raw material formula of refractory foam brick provided in this example, weigh each component, mix all the raw materials and add water ball mill for 8 hours, according to the mass raw material: ball: water = 1:1.5:0.6. Then carry out spray granulation, the particle size is controlled at 40 mesh-80 mesh ≧80%, and the moisture content after drying is <7%. . Set the firing system as normal temperature to 650°C, the heating...

Embodiment 3

[0040] This embodiment provides a refractory foamed brick. In terms of parts by mass, its raw materials include 20 parts of waste brick scraps, 15 parts of potassium albite feldspar, 50 parts of polishing slag, 15 parts of kaolin, 7 parts of lead titanate, and 150 parts of 0.4 parts of silicon carbide powder and 0.3 parts of water reducer A.

[0041] The present embodiment provides a kind of preparation method of refractory foam brick, comprises the following steps:

[0042] According to the raw material formula of the refractory foam brick provided in this example, weigh each component, mix all the raw materials and add water to ball mill for 10 hours, according to the mass of raw materials: ball: water = 1:1.5:0.6. Then carry out spray granulation, the particle size is controlled at 40 mesh-80 mesh ≧80%, and the moisture content after drying is <7%. . Set the firing system as normal temperature to 650°C, the heating time is 100min, 650°C for 60min, 650°C to 950°C, the heat...

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Abstract

The invention discloses a refractory foamed brick and a preparation method thereof, and relates to the technical field of architectural ceramics. The refractory foamed brick comprises the following raw materials in parts by weight: 70-98 parts of a silicate main material, 0.3-1 part of a foaming agent, 2-8 parts of titanate and 0.1-0.5 part of a diluent. Titanate is introduced into a raw material formula, so that the fire endurance performance of the fire-resistant foamed brick is remarkably improved, and the cracking phenomenon does not occur after long-time high-temperature heating. According to the preparation method of the fire-resistant foamed brick brick, by improving the raw materials of the formula, especially adding titanate, the fire endurance performance of the fire-resistant foamed brick is remarkably improved, the problem that application of the foamed brick is restricted for a long time is solved, and the preparation method has wide application prospects in the field of building materials.

Description

technical field [0001] The invention relates to the technical field of architectural ceramics, and in particular to refractory foamed bricks and a preparation method thereof. Background technique [0002] Foam brick is a kind of closed-cell porous ceramic obtained by adding foaming agent to ceramic raw materials and sintering at high temperature. Features of sound insulation and noise reduction. Therefore, foamed bricks are widely used in projects such as building insulation and interior partition walls. [0003] At present, the application of foamed bricks in the field of architectural ceramics still faces great challenges: although foamed bricks can meet the thermal insulation properties and mechanical requirements, they cannot meet the national standards in terms of fire resistance. The refractory performance of foamed bricks cannot meet the requirements, and obvious cracking will occur under the condition of continuous high temperature heating. In view of this, this a...

Claims

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Application Information

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IPC IPC(8): C04B35/66C04B33/132C04B33/32C04B38/02
CPCC04B35/66C04B33/1324C04B33/32C04B38/02C04B2235/3234C04B2235/3298C04B2235/3296C04B2235/3236C04B2235/3215C04B2235/3472C04B2235/3826C04B2235/3208C04B2235/3427C04B2235/6562C04B2235/6567C04B2235/77C04B2235/96C04B2235/9607C04B38/0067Y02P40/60
Inventor 戴永刚李媛媛张国涛胡飞邹苑庄文圆苏文生冯宏坚
Owner GUANGDONG KITO CERAMICS GROUP CO LTD
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