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A platform for research: civil engineering, architecture and urbanism
Novel low-heat-conduction high-wear-resistance silicon-mullite composite heat-insulation special brick
The invention relates to a novel low-heat-conductivity high-wear-resistance silicon-mullite composite heat-insulation special brick which is of a working layer and heat-insulation layer composite structure, and the working layer and the heat-insulation layer are connected through high-temperature cement gum. The working layer is prepared from the following components: 15 to 25 weight percent of bauxite, 25 to 40 weight percent of silicon carbide, 10 to 15 weight percent of mullite, 15 to 20 weight percent of andalusite, 15 to 20 weight percent of antioxidant and 5 to 10 weight percent of corundum; the heat insulation layer comprises the following components: 90 to 95 weight percent of aluminum silicate and 5 to 10 weight percent of corundum. The novel low-heat-conductivity high-wear-resistance silicon-mullite composite heat-insulation special brick has the advantages of high use temperature, high wear resistance, high erosion resistance, high stripping resistance, good thermal shock stability, low heat conductivity coefficient and good heat insulation effect, the bonding surface of the working layer and the heat insulation layer is firm and crack-free, the temperature of the outer wall of a cylinder can be reduced, and the service life of the cylinder is prolonged. Meanwhile, energy is saved, consumption is reduced, and the service life of the rotary kiln can be greatly prolonged; the material is an ideal material for the rear section of a combustion zone, a cooling zone and other parts of a novel dry-process cement kiln.
本发明涉及一种新型低导热高耐磨硅莫复合隔热特种砖，为工作层与隔热层复合结构，工作层与隔热层之间采用高温胶泥连接；工作层包括以下组分：15～25wt%的铝矾土、25～40wt%的碳化硅、10～15wt%的莫来石、15～20wt%的红柱石、15～20wt%的防氧化剂和5～10wt%的刚玉；隔热层包括以下组分：90～95wt%的硅酸铝质和5～10wt%的刚玉。本发明的有益效果是：本发明的新型低导热高耐磨硅莫复合隔热特种砖，具有使用温度高、耐磨性强、抗侵蚀能力高、抗剥落性能强、热震稳定性好、导热系数低、隔热效果好的优点，其工作层和隔热层的结合面坚固无裂纹，可降低筒体外壁温度，同时又节能降耗，可以大幅度延长回转窑的寿命；是新型干法水泥窑燃烧带后段、冷却带等部位的理想材料。
Novel low-heat-conduction high-wear-resistance silicon-mullite composite heat-insulation special brick
The invention relates to a novel low-heat-conductivity high-wear-resistance silicon-mullite composite heat-insulation special brick which is of a working layer and heat-insulation layer composite structure, and the working layer and the heat-insulation layer are connected through high-temperature cement gum. The working layer is prepared from the following components: 15 to 25 weight percent of bauxite, 25 to 40 weight percent of silicon carbide, 10 to 15 weight percent of mullite, 15 to 20 weight percent of andalusite, 15 to 20 weight percent of antioxidant and 5 to 10 weight percent of corundum; the heat insulation layer comprises the following components: 90 to 95 weight percent of aluminum silicate and 5 to 10 weight percent of corundum. The novel low-heat-conductivity high-wear-resistance silicon-mullite composite heat-insulation special brick has the advantages of high use temperature, high wear resistance, high erosion resistance, high stripping resistance, good thermal shock stability, low heat conductivity coefficient and good heat insulation effect, the bonding surface of the working layer and the heat insulation layer is firm and crack-free, the temperature of the outer wall of a cylinder can be reduced, and the service life of the cylinder is prolonged. Meanwhile, energy is saved, consumption is reduced, and the service life of the rotary kiln can be greatly prolonged; the material is an ideal material for the rear section of a combustion zone, a cooling zone and other parts of a novel dry-process cement kiln.
本发明涉及一种新型低导热高耐磨硅莫复合隔热特种砖，为工作层与隔热层复合结构，工作层与隔热层之间采用高温胶泥连接；工作层包括以下组分：15～25wt%的铝矾土、25～40wt%的碳化硅、10～15wt%的莫来石、15～20wt%的红柱石、15～20wt%的防氧化剂和5～10wt%的刚玉；隔热层包括以下组分：90～95wt%的硅酸铝质和5～10wt%的刚玉。本发明的有益效果是：本发明的新型低导热高耐磨硅莫复合隔热特种砖，具有使用温度高、耐磨性强、抗侵蚀能力高、抗剥落性能强、热震稳定性好、导热系数低、隔热效果好的优点，其工作层和隔热层的结合面坚固无裂纹，可降低筒体外壁温度，同时又节能降耗，可以大幅度延长回转窑的寿命；是新型干法水泥窑燃烧带后段、冷却带等部位的理想材料。
Novel low-heat-conduction high-wear-resistance silicon-mullite composite heat-insulation special brick
一种新型低导热高耐磨硅莫复合隔热特种砖
JIANG SHUIHONG (author) / LUO JIA (author) / CAO CHANG (author)
2024-12-31
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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