铝矾土采用优质高铝矿石，经煅烧、水洗、人工筛选、破碎、等工序精制而成，耐火度高达1780℃，常用粒度100-325目，其特点：膨胀系数小，耐火度高，高温性质稳定，使用环保，无有害气体排出，可替代其他非环保型价格昂贵的铸造材料。
煅烧铝矾土主要用途：
1.铝工业。
2.精密铸造。
3.耐火材料行业。
4.硅酸铝火纤维。
5.与氧化镁混合，是一种很好的粘接剂，特别是用于浇铸整个钢包钢包衬里。
6.制造铝土矿水泥，研磨磨料，陶瓷工业和化学工业，用于制造铝化合物。
Bauxite is made of high-quality High Alumina Ore by calcination, water washing, artificial screening, crushing and other processes. Its fire resistance is as high as 1780 ℃, and the commonly used particle size is 100-325 mesh. Its characteristics are small expansion coefficient, high fire resistance, stable high temperature property, environmental protection and no harmful gas emission. It can replace other non environmental protection and expensive casting materials.
Calcined Bauxite Applications:
1.Aluminum industry.
2.Precision casting.
3.Refractory industry.
4.Silicic acid aluminum firefibre.
5.Mixed with magnesium oxide,it can be an nice bonding agent,especially for pouring entire steel teeming ladle lining.
6.Manufacture bauxite cement,grinding abrasives.ceramic industry,and chemical industry for making aluminum compounds.
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Name名称 |
Chemical Composition (%)主要成分 |
Bulk Density |
|
Al2O3 FE2O3 TIO2 CAO+MAO K2O+NA2O |
||
|
Bauxite Calcined in Rotary kiln 回转窑中煅烧的铝矾土 |
>90 <1.2 <4.0 <0.4 <0.25 |
>3.30 |
|
Bauxite Calcined in Shaft kiln竖窑煅烧铝矾土 |
|
|
|
Round kiln bauxite倒焰窑矾土 |
>86 <1.8 <4.0 <0.4 <0.25 |
>3.2 |
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