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열풍 난로 용 고 알루미늄 체커 벽돌

열풍 난로 용 고 알루미늄 체커 벽돌

Product advantages: good volume stability, excellent high temperature load creep performance, high density and low porosity.

제품 설명

High-aluminum checker bricks for hot blast stoves are currently widely recognized and accepted by the world’s ironmaking industry as a heat-carrying heat storage body with many superior thermal characteristics, such as strong heat exchange capacity, large heat storage area, smooth ventilation, and low resistance. The high-aluminum checker brick for hot blast stove is a kind of heat transfer medium, which is mainly used in the middle and upper part of the regenerator of hot blast stove to store heat. In the process of heating cold air into hot air, it plays an extremely important role.

물리화학적 지표

순위/인덱스 고 알루미나 벽돌 XNUMX차 고알루미나 벽돌 XNUMX단계 고알루미나 벽돌 초고알루미나 벽돌
LZ-75 LZ-65 LZ-55 LZ-80
AL203 ≧ 75 65 55 80
Fe203% 2.5 2.5 2.6 2.0
부피 밀도 g / cm2 2.5 2.4 2.2 2.7
실온에서의 압축강도 MPa> 70 60 50 80
하중 연화 온도 °C 1520 1480 1420 1530
내화도 °C> 1790 1770 1770 1790
겉보기 다공성 % 24 24 26 22
난방 영구 라인 변경 비율 % -0.3 -0.4 -0.4 -0.2