반토 거품 벽돌 제조자

Alumina bubble brick is a high-quality thermal insulation material, which can be used as a kiln lining as an insulation layer, which can reduce the weight of the furnace body and optimize the kiln structure. The refractoriness of alumina bubble brick can reach more than 1750 도, and the thermal stability is good.

Parameters of alumina bubble brick

물리적 및 화학적 지표：

안건	색인
안건	LQZ99-1.4	LQZ99-1.6	LQZ99-1.8
알₂영형₃ %	≥99
SiO₂ %	≤0.3
철₂영형₃ %	≤0.2
벌크 밀도 g/cm³	1.3~1.5	1.5~1.7	1.7~1.9
콜드 크러시 강도 MPa	≥6	≥10	≥12
열전도율 W/(m·K) Hot surface 1000℃	≤0.9	≤1.1	≤1.2
영구 선형 변화율 % 1600℃×3h	±0.3

안건	색인
안건	LQZ95-1.4	LQZ95-1.6	LQZ95-1.8
알₂영형₃ %	≥95
철₂영형₃ %	≤0.2
벌크 밀도 g/cm³	1.3~1.5	1.5~1.7	1.7~1.9
상온 압축강도 MPa	≥8	≥12	≥16
열전도율 W/(m·K) hot face 1000℃	≤0.9	≤1.1	≤1.2
Permanent Linear Change Rate % 1600℃×3h	±0.3

안건	색인
안건	LQZ90-1.4	LQZ90-1.6	LQZ90-1.8
알₂영형₃ %	≥90
철₂영형₃ %	≤0.2
벌크 밀도 g/cm³	1.3~1.5	1.5~1.7	1.7~1.9
상온 압축강도 MPa	≥10	≥14	≥18
열전도율 W/(m·K) Hot face 1000℃	≤0.9	≤1.1	≤1.2
Permanent Linear Change Rate % 1600℃×3h	±0.3

Advantages of alumina bubble brick

Small volume density
낮은 열전도율
Usage temperature is above 1750℃
고강도
Can withstand the impact of high-temperature flame
에너지 절약
산 및 알칼리 내식성

Benefits of using alumina bubble brick

From the perspective of cost, the price of heavy bricks and hollow ball bricks is similar, and the price of alumina hollow ball bricks for particular areas may be slightly higher than that of heavy bricks. 아직, in terms of weight, the use of hollow ball bricks can reduce the cost per cubic meter. 1-2 톤. 게다가, there is no need to make an insulation layer, which reduces the amount used and saves fuel. Not only is the use effect good but the cost is also reduced.

Application of alumina bubble brick

Alumina bubble brick is a commonly used thermal insulation material in the kiln, which plays a vital role in kiln construction and production. The volume density of alumina bubble brick is small, which can reduce the weight of the furnace body well, and has a good Insulation effect, which can save energy and raw material costs.