CN109503136A - 高镍烧结炉炉衬材料及其制备方法 - Google Patents

高镍烧结炉炉衬材料及其制备方法 Download PDF

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CN109503136A
CN109503136A CN201811236884.5A CN201811236884A CN109503136A CN 109503136 A CN109503136 A CN 109503136A CN 201811236884 A CN201811236884 A CN 201811236884A CN 109503136 A CN109503136 A CN 109503136A
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刘俊
崔伯龙
吴国君
周燕
叶智
王洪林
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Jiangsu Qianjin Furnace Equipment Co Ltd
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Abstract

高镍烧结炉炉衬材料，包括以下组份的原料：高纯石英12~23份、熔融石英6~15份、刚玉18~30份、铝矾土25~40份、尖晶石7~16份、镁砂5~13份、氧化铝3~9份、氧化镁2~7份、碳化硅2~6份、烧结剂1.5~4.2份。本发明制备的耐火材料具有高强度、高荷软性能、化学稳定、耐侵蚀、使用寿命长，成本低，生产工艺简单，使用方便、安全。

Description

高镍烧结炉炉衬材料及其制备方法
技术领域
本发明属于烧结炉制造相关技术领域，具体涉及一种高镍烧结专用炉炉衬材料。
背景技术
随着现代工业的不断发展，烧结炉技术也不断在进步，其中一个最重要的参数就是烧结炉的寿命。这除了归因于烧结炉炉体结构参数逐渐趋向于合理化以及操作参数的进一步优化外，烧结炉炉衬材料与施工技术的进步也是不可忽视的重要组成部分。
炉衬耐火材料作为烧结炉炉衬的重要组成部分，其本身的耐用性将直接决定着高炉的使用年限。而当下大部分炉衬耐火材料的诸多性能仍然不能满足烧结炉连续多次的重复使用，即在炉料更换以及多次急冷急热情况下炉衬材料不能够很好的做到耐腐蚀，抗震以及由于反复过冷过热而导致的应力开裂甚至脱落，大大降低了烧结炉的使用寿命。
发明内容
本发明的目的在于针对现有技术的不足，提供了一种高镍烧结炉炉衬材料及其制备方法。
为实现上述目的，本发明通过以下技术方案实现：高镍烧结炉炉衬材料，包括以下组份的原料：高纯石英12~23份、熔融石英6~15份、刚玉18~30份、铝矾土25~40份、尖晶石7~16份、镁砂5~13份、氧化铝3~9份、氧化镁2~7份、碳化硅2~6份、烧结剂1.5~4.2份。
制备高镍烧结炉炉衬材料，包括以下步骤：（1）按照重量配比称量各原料高纯石英、熔融石英、刚玉、铝矾土、尖晶石、镁砂、氧化铝、氧化镁、碳化硅，进行混合搅拌，搅拌35~60min；
（2）将搅拌得到的混合料的放入粉碎机粉碎至粒经在1800~3200目；
（3）向粉碎后的混合料中加入重量为混合料2~5%的水；
（4）将烧结剂添加到加水后的混合料中，并球磨干混40~65min备用；
（5）将经磨球干混后的混合料放入真空环境下焙烧，焙烧温度控制在1150~1390℃。
（6）待步骤（5）焙烧后的混合料在冷却到720~790℃时，开始交替通入氧气和氮气进行焙烧，焙烧至1250~1470℃后自然冷却即可。
进一步，所述步骤（1）中的各原料重量组份为高纯石英16份、熔融石英9份、刚玉23份、铝矾土29份、尖晶石10份、镁砂7份、氧化铝5份、氧化镁3.6份、碳化硅2.8份。
有益效果：（1）本发明制备的耐火材料具有高强度、高荷软性能、化学稳定、耐侵蚀、使用寿命长，成本低，生产工艺简单，使用方便、安全。
（2）本发明所述高镍烧结炉炉衬材料的制备方法易于实现，大大增加了炉衬本体的使用寿命，具有较好的应用前景。
具体实施方式
实施例1：高镍烧结炉炉衬材料，包括以下组份的原料：高纯石英16份、熔融石英9份、刚玉23份、铝矾土29份、尖晶石10份、镁砂7份、氧化铝5份、氧化镁3.6份、碳化硅2.8份、烧结剂3.2份。
制备高镍烧结炉炉衬材料，包括以下步骤：（1）按照重量配比称量各原料高纯石英、熔融石英、刚玉、铝矾土、尖晶石、镁砂、氧化铝、氧化镁、碳化硅，进行混合搅拌，搅拌45min；
（2）将搅拌得到的混合料的放入粉碎机粉碎至粒经在1800~3200目；
（3）向粉碎后的混合料中加入重量为混合料3.5%的水；
（4）将烧结剂添加到加水后的混合料中，并球磨干混55min备用；
（5）将经磨球干混后的混合料放入真空环境下焙烧，焙烧温度控制在1270℃。
（6）待步骤（5）焙烧后的混合料在冷却到730℃时，开始交替通入氧气和氮气进行焙烧，焙烧至1320℃后自然冷却即可。
实施例2：高镍烧结炉炉衬材料，包括以下组份的原料：高纯石英20份、熔融石英12份、刚玉19份、铝矾土26份、尖晶石12份、镁砂10份、氧化铝7份、氧化镁2.7份、碳化硅3.6份、烧结剂2.7份。
制备高镍烧结炉炉衬材料，包括以下步骤：（1）按照重量配比称量各原料高纯石英、熔融石英、刚玉、铝矾土、尖晶石、镁砂、氧化铝、氧化镁、碳化硅，进行混合搅拌，搅拌52min；
（2）将搅拌得到的混合料的放入粉碎机粉碎至粒经在1800~3200目；
（3）向粉碎后的混合料中加入重量为混合料2.7%的水；
（4）将烧结剂添加到加水后的混合料中，并球磨干混50min备用；
（5）将经磨球干混后的混合料放入真空环境下焙烧，焙烧温度控制在1210℃。
（6）待步骤（5）焙烧后的混合料在冷却到750℃时，开始交替通入氧气和氮气进行焙烧，焙烧至1290℃后自然冷却即可。

Claims (3)

1.高镍烧结炉炉衬材料，其特征在于，包括以下组份的原料：高纯石英12~23份、熔融石英6~15份、刚玉18~30份、铝矾土25~40份、尖晶石7~16份、镁砂5~13份、氧化铝3~9份、氧化镁2~7份、碳化硅2~6份、烧结剂1.5~4.2份。
2.根据权利要求1所述的高镍烧结炉炉衬材料的制备方法，其特征在于，包括以下步骤：（1）按照重量配比称量各原料高纯石英、熔融石英、刚玉、铝矾土、尖晶石、镁砂、氧化铝、氧化镁、碳化硅，进行混合搅拌，搅拌35~60min；
（2）将搅拌得到的混合料的放入粉碎机粉碎至粒经在1800~3200目；
（3）向粉碎后的混合料中加入重量为混合料2~5%的水；
（4）将烧结剂添加到加水后的混合料中，并球磨干混40~65min备用；
（5）将经磨球干混后的混合料放入真空环境下焙烧，焙烧温度控制在1150~1390℃；
（6）待步骤（5）焙烧后的混合料在冷却到720~790℃时，开始交替通入氧气和氮气进行焙烧，焙烧至1250~1470℃后自然冷却即可。
3.根据权利要求2所述的制备高镍烧结炉炉衬材料的制备方法，其特征在于，所述步骤（1）中的各原料重量组份为高纯石英16份、熔融石英9份、刚玉23份、铝矾土29份、尖晶石10份、镁砂7份、氧化铝5份、氧化镁3.6份、碳化硅2.8份。
CN201811236884.5A 2018-10-23 2018-10-23 高镍烧结炉炉衬材料及其制备方法 Pending CN109503136A (zh)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110204320A (zh) * 2019-06-03 2019-09-06 高邮市锐意炉衬材料有限公司 一种无芯感应电炉用炉衬材料及其制备方法

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Application publication date: 20190322