板状刚玉段砂 0-0.5mm,0-1mm,1-2mm,2-3mm,2-5mm,3-5mm,5-8mm
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板状刚玉粉tabular alumina powder 常用板状刚玉细粉型号: 325#,320#-0,200#-0,150#-0,100#-0
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海旭板状刚玉,氧化铝经配料、粉磨和成型后,在略低于其熔点的温条件下烧结完全的再结晶α- Al2O3。
Description:
Haixu tabular alumina is made of Al2O3, after ingredients, grinding and forming, smelting in high temperature furnace turned to α- Al2O3.
板状刚玉理化指标:
型号 Style
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化学成分chemical index |
物理指标 physical index |
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Al2O3% |
SiO2% |
Fe2O3% |
Na2O % |
体积密度 Volume density (g/cm3) |
吸水率 water absorption |
显气孔率 apparent porosity |
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0-1mm 1-3mm 3-5mm 5-8mm |
99.2 min |
0.1 max |
0.1 max |
0.4 max |
3.5 |
1.5 |
5max |
200#-0 320#-0 325# |
99 min |
0.15 max |
0.1 max |
0.4 max |
3.45 |
2.0 |
6max
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板状刚玉特性:
板状刚玉具有良好的加热体积温度性和良好的抗热震能力。其晶体呈平板状交错排列,增加了颗粒的机械强度;晶内和晶间以分布均匀的闭气孔为主,体积密度高,显气孔和吸水率低,减少了再制品的用液量;具有高耐火度、良好的热震稳定性、低热收缩率和良好的热负荷强度等的物理性能。同时,高纯度避免了杂质对系统的污染,是制作耐火材料、陶瓷材料和绝缘材料的理想原料。
Production feature:
Tabular alumina has good heat resistance and good bulk temperature thermal shock capabilities. The crystal staggered plate shape, to increasing the mechanical strength of the particles; interior structure full of closed pores, high bulk density, low apparent porosity and water absorption, to reducing the amount of fluid re-use productions; With good physical properties like: high refractoriness, excellent thermal shock resistance, low shrinkage and good thermal load strength etc. Meanwhile, high-purity avoiding damage to machines. Hiaxu/Sicheng is your best choose as refractory material/ceramic material and insulating materials.
板状刚玉应用:
板状刚玉是一种理想的耐火材料,既可以作为骨料应用于各种铝质耐火材料中,也可以添加到其他铝质不定型耐火材料中。
Application:
Haixu/Sicheng tabular alumina is an ideal refractory material, either can be used in various refractory alumina, or can be add in other unshaped refractories
板状刚玉生产流程:
1.原材料
使用60#澳洲铝粉,加入陶瓷球磨机研磨成380#的细粉
球磨机为瓷球磨,内置瓷球的直径是30.40.50毫米
2.制作生球
380#细粉加水后,进入成球筒制球
生球规格:直径2.4cm min
制球时间:3小时左右
3.生球烘干
烘干设备:天然气烘干塔
烘干时间:22小时
烘干标准:水分0.5% min
4.生球烧结
4.1烧结设备介绍
烧结设备:天然气竖窑
烧结特点:速热速冷
天然气竖窑规格:
内径1.1米
外径2.4米
塔高20米