CN115093206A - 一种台包内衬的专用浇注料 - Google Patents

一种台包内衬的专用浇注料 Download PDF

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CN115093206A
CN115093206A CN202210515014.1A CN202210515014A CN115093206A CN 115093206 A CN115093206 A CN 115093206A CN 202210515014 A CN202210515014 A CN 202210515014A CN 115093206 A CN115093206 A CN 115093206A
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朱华伟
牛海涛
郭会玲
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Xinmi Hongrui Metallurgical Building Materials Co ltd
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Abstract

本发明提出了一种台包内衬的专用浇注料，包括以下重量分数的原料：棕刚玉颗粒60‑80％、棕刚玉细粉10‑20％、电熔莫来石1‑10％、硅线石1‑10％、氧化锆1‑5％和纯铝酸钙1‑5％。本发明采用整体浇筑时避免浇注料成型过程中出现微裂纹，耐火温度≥1950℃，耐压强度≥163MPa(1450℃×3h)，热震稳定性(次)≥110次(1100℃水冷)，台包的包龄达到了130次以上，减少了漏包现象。

Description

一种台包内衬的专用浇注料
技术领域
本发明涉及浇注料技术领域，特别是指一种台包内衬的专用浇注料。
背景技术
目前工业硅、硅铁、铁水台包内衬，主要采用高铝砖砌筑，高铝砖含铝量达不到85％以上，体积密度小，砌筑缝隙多，不耐冲刷、不耐氧化、抗热震差、使用寿命短等缺陷，采用高铝砖砌筑包衬硅包使用在20-30次，另外还存在漏包或穿包现象。而已有的衬体浇注料若进行台包内衬的整体浇筑，材料固化收缩易出现微裂纹，影响台包的使用寿命。
CN101172847B公开了一种制备高温陶瓷耐磨衬体的浇注料，采用电熔莫来石、红柱石、板状刚玉、纯铝酸钙水泥、硅微粉、氧化铝微粉和减水剂等制备，浇注料的耐火温度>1790℃，热震稳定性(次)38(1100℃水冷)，耐火温度以及热震稳定性有待进一步提高。
发明内容
本发明提出一种台包内衬的专用浇注料，采用整体浇筑时避免浇注料成型过程中出现微裂纹，耐火温度≥1950℃，耐压强度≥163MPa(1450℃×3h)，热震稳定性(次)≥110次(1100℃水冷)，台包的包龄达到了130次以上，减少了漏包现象。
本发明的技术方案是这样实现的：一种台包内衬的专用浇注料，包括以下重量分数的原料：棕刚玉颗粒60-80％、棕刚玉细粉10-20％、电熔莫来石1-10％、硅线石1-10％、氧化锆1-5％和纯铝酸钙1-5％。
进一步地，包括以下重量分数的原料：棕刚玉颗粒65-75％、棕刚玉细粉13-18％、电熔莫来石4-8％、硅线石4-8％、氧化锆1-3％和纯铝酸钙2-4％。
进一步地，包括以下重量分数的原料：棕刚玉颗粒70％、棕刚玉细粉15％、电熔莫来石5％、硅线石5％、氧化锆2％和纯铝酸钙3％。
进一步地，棕刚玉颗粒的粒径为-200目占70-90％。
进一步地，棕刚玉细粉的粒径为-250目占70-90％。
进一步地，电熔莫来石的粒径为-200目占70-90％。
进一步地，硅线石的粒径为-200目占70-90％。
进一步地，棕刚玉颗粒和棕刚玉细粉的含铝量在95％以上。
本发明的有益效果：
本发明的台包内衬的专用浇注料中添加硅线石作为膨胀剂，采用整体浇筑时避免浇注料成型过程中出现微裂纹，同时也解决了砌筑缝隙问题，浇注料添加了莫来石、硅线石、氧化锆达到了抗热震、耐冲刷的效果，耐火温度≥1950℃，耐压强度≥163MPa(1450℃×3h)，热震稳定性(次)≥110次(1100℃水冷)；本发明的浇筑料提高了硅水台包使用次数，硅水台包的包龄达到了130次以上，减少了漏包现象。
具体实施方式
下面将结合本发明实施例，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有付出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
实施例1
一种台包内衬的专用浇注料，包括以下重量分数的原料：棕刚玉颗粒60％、棕刚玉细粉18％、电熔莫来石4％、硅线石8％、氧化锆5％和纯铝酸钙5％。
棕刚玉颗粒的粒径为-200目占80wt％；棕刚玉细粉的粒径为-250目占80wt％；电熔莫来石的粒径为-200目占80wt％；硅线石的粒径为-200目占80wt％；棕刚玉颗粒和棕刚玉细粉的含铝量在95％以上。
实施例2
一种台包内衬的专用浇注料，包括以下重量分数的原料：棕刚玉颗粒65％、棕刚玉细粉20％、电熔莫来石6％、硅线石4％、氧化锆3％和纯铝酸钙2％。
棕刚玉颗粒的粒径为-200目占90％；棕刚玉细粉的粒径为-250目占90％；电熔莫来石的粒径为-200目占90％；硅线石的粒径为-200目占90％；棕刚玉颗粒和棕刚玉细粉的含铝量在95％以上。
实施例3
一种台包内衬的专用浇注料，包括以下重量分数的原料：棕刚玉颗粒70％、棕刚玉细粉15％、电熔莫来石5％、硅线石5％、氧化锆2％和纯铝酸钙3％。
棕刚玉颗粒的粒径为-200目占80％；棕刚玉细粉的粒径为-250目占80％；电熔莫来石的粒径为-200目占80％；硅线石的粒径为-200目占80％；棕刚玉颗粒和棕刚玉细粉的含铝量在95％以上。
实施例4
一种台包内衬的专用浇注料，包括以下重量分数的原料：棕刚玉颗粒75％、棕刚玉细粉10％、电熔莫来石10％、硅线石3％、氧化锆1％和纯铝酸钙1％。
棕刚玉颗粒的粒径为-200目占80％；棕刚玉细粉的粒径为-250目占80％；电熔莫来石的粒径为-200目占80％；硅线石的粒径为-200目占80％；棕刚玉颗粒和棕刚玉细粉的含铝量在95％以上。
实施例5
一种台包内衬的专用浇注料，包括以下重量分数的原料：棕刚玉颗粒80％、棕刚玉细粉13％、电熔莫来石1％、硅线石1％、氧化锆1％和纯铝酸钙4％。
棕刚玉颗粒的粒径为-200目占70％；棕刚玉细粉的粒径为-250目占70％；电熔莫来石的粒径为-200目占70％；硅线石的粒径为-200目占70％；棕刚玉颗粒和棕刚玉细粉的含铝量在95％以上。
实施例6
一种台包内衬的专用浇注料，包括以下重量分数的原料：棕刚玉颗粒65％、棕刚玉细粉13％、电熔莫来石8％、硅线石4％、氧化锆5％和纯铝酸钙5％。
棕刚玉颗粒的粒径为-200目占80％；棕刚玉细粉的粒径为-250目占80％；电熔莫来石的粒径为-200目占80％；硅线石的粒径为-200目占80％；棕刚玉颗粒和棕刚玉细粉的含铝量在95％以上。
将本发明制备的浇注料加水混合搅拌均匀后，注入模具内震动成型，制备的台包内衬包龄达到了130次以上，耐火温度≥1950℃，耐压强度≥163MPa(1450℃×3h)，热震稳定性(次)≥110次(1100℃水冷)。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (8)

1.一种台包内衬的专用浇注料，其特征在于，包括以下重量分数的原料：棕刚玉颗粒60-80％、棕刚玉细粉10-20％、电熔莫来石1-10％、硅线石1-10％、氧化锆1-5％和纯铝酸钙1-5％。
2.根据权利要求1所述的一种台包内衬的专用浇注料，其特征在于，包括以下重量分数的原料：棕刚玉颗粒65-75％、棕刚玉细粉13-18％、电熔莫来石4-8％、硅线石4-8％、氧化锆1-3％和纯铝酸钙2-4％。
3.根据权利要求2所述的一种台包内衬的专用浇注料，其特征在于，包括以下重量分数的原料：棕刚玉颗粒70％、棕刚玉细粉15％、电熔莫来石5％、硅线石5％、氧化锆2％和纯铝酸钙3％。
4.根据权利要求1所述的一种台包内衬的专用浇注料，其特征在于，棕刚玉颗粒的粒径为-200目占70-90％。
5.根据权利要求1所述的一种台包内衬的专用浇注料，其特征在于，棕刚玉细粉的粒径为-250目占70-90％。
6.根据权利要求1所述的一种台包内衬的专用浇注料，其特征在于，电熔莫来石的粒径为-200目占70-90％。
7.根据权利要求1所述的一种台包内衬的专用浇注料，其特征在于，硅线石的粒径为-200目占70-90％。
8.根据权利要求1-7之一所述的一种台包内衬的专用浇注料，其特征在于，棕刚玉颗粒和棕刚玉细粉的含铝量在95％以上。
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