CN110342902B - 一种陶瓷研磨球及其制备方法 - Google Patents

一种陶瓷研磨球及其制备方法 Download PDF

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CN110342902B
CN110342902B CN201910536992.2A CN201910536992A CN110342902B CN 110342902 B CN110342902 B CN 110342902B CN 201910536992 A CN201910536992 A CN 201910536992A CN 110342902 B CN110342902 B CN 110342902B
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李锡春
李俊
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Jiangsu Xuyang Grinding Technology Co ltd
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Abstract

本发明属于无机非金属材料领域，尤其涉及一种陶瓷研磨球及其制备方法。该陶瓷研磨球由以下重量份的原料制成：石榴石尾矿改性材料100份、氧化铝17‑20份、氧化钇0.6‑0.8份、氧化锆4.5‑5.5份、高岭土4.5‑5.5份和滑石4‑5份；本发明制得的陶瓷研磨球，自磨耗低，同时制备方法简单易行，生产成本低。

Description

一种陶瓷研磨球及其制备方法
技术领域
本发明属于无机非金属材料领域，尤其涉及一种陶瓷研磨球及其制备方法。
背景技术
超细研磨提纯是金属矿与非金属矿深加工的基础工艺，更是矿物超细研磨中设备投入最大、耗能源与耗研磨介质较大、占用生产成本较高的关键工序，因此，它必然得到矿物行业研究部门、生产企业的关注，其中研磨介质种类选择的好坏，直接影响着研磨的效能，决定着湿法超细的生产成本高低以及保证产品质量的物化性能指标。目前，国内外湿法超细研磨提纯设备广泛应用的研磨介质为以氧化铝、氧化锆、硅酸锆为主要材质的陶瓷研磨球,而且各材质陶瓷研磨球的性能差异较大、价格高低悬殊，对矿物研磨效率与产品质量有较大影响。
发明内容
本发明为了解决上述技术问题提供一种陶瓷研磨球及其制备方法。
本发明解决上述技术问题的技术方案如下：一种陶瓷研磨球，由以下重量份原料制成：石榴石尾矿改性材料100份、氧化铝17-20份、氧化钇0.6-0.8份、氧化锆4.5-5.5份、高岭土4.5-5.5份和滑石4-5份。
本发明的有益效果是：本发明制得的陶瓷研磨球，自磨耗低，同时制备方法简单易行，生产成本低。
在上述技术方案的基础上，本发明还可以做如下改进。
作为本发明进一步优选，陶瓷研磨球，由以下重量份的原料制成：石榴石尾矿改性材料100份、氧化铝17份、氧化钇0.6份、氧化锆4.5份、高岭土4.5份和滑石4份。
作为本发明进一步优选，所述陶瓷研磨球，由以下重量份的原料制成：石榴石尾矿改性材料100份、氧化铝20份、氧化钇0.8份、氧化锆5.5份、高岭土5.5份和滑石5份。
作为本发明进一步优选，所述陶瓷研磨球，由以下重量份的原料制成：石榴石尾矿改性材料100份、氧化铝18.5份、氧化钇0.7份、氧化锆5份、高岭土5份和滑石4.5份。
作为本发明进一步优选，所述陶瓷研磨球中所用石榴石尾矿改性材料为硅酸铝盐铁矿物。
作为本发明进一步优选，所述陶瓷研磨球中所用石榴石尾矿改性材料由石榴石尾矿与硅土按质量比(8.5-10.5)：1混合而成。
作为本发明进一步优选，所述陶瓷研磨球中所用石榴石尾矿为镁铝榴石、铁铝榴石、锰铝榴石、钙铬榴石、钙铝榴石与钙铁榴石中的一种或几种的混合物。
本发明提供一种陶瓷研磨球的制备方法，包括以下步骤：
A、按以下重量份称取原料：石榴石尾矿改性材料100份、氧化铝17-20份、氧化钇0.6-0.8份、氧化锆4.5-5.5份、高岭土4.5-5.5份和滑石4-5份；
B、将石榴石尾矿改性材料、氧化铝、氧化钇、氧化锆、高岭土与滑石混匀，得到混合物；
C、将步骤B得到的混合物与水混匀，进行湿法粗磨得到300-500目的料浆，再进行细磨，得到8000-10000目的料浆，然后固液分离得到浆饼，最后闪蒸干燥,得到陶瓷粉料；
D、取步骤C得到的陶瓷粉料造粒得到种子，向滚动制球成型系统中加入种子，并向滚动制球成型系统中以雾状形式喷入水，再加入步骤C得到的陶瓷粉料，陶瓷粉料包裹种子，滚制成球，得初始研磨球；
E、将步骤D得到的初始研磨球经干燥、窑炉烧成、抛光，即得陶瓷研磨球。
本发明的有益效果是：本发明陶瓷研磨球的制备方法简单易行，生产成本低。
在上述技术方案的基础上，本发明还可以做如下改进。
作为本发明进一步优选，在步骤C中，所述步骤B得到的混合物与水的质量比为1:1，闪蒸干燥温度为295-305℃，干燥时间为18-22s。
作为本发明进一步优选，在步骤E中，所述干燥温度为190-210℃，干燥时间为18-20h，所述窑炉烧成温度为1250-1260℃，烧成时间为24-26h。
具体实施方式
以下对本发明的原理和特征进行描述，所举实例只用于解释本发明，并非用于限定本发明的范围。
实施例1
A、按以下重量kg称取原料：石榴石尾矿改性材料100kg、氧化铝17kg、氧化钇0.6kg、氧化锆4.5kg、高岭土4.5kg和滑石4kg，所述石榴石尾矿改性材料由铁铝榴石与硅土按质量比8.5：1混合而成；
B、将石榴石尾矿改性材料、氧化铝、氧化钇、氧化锆、高岭土与滑石混匀，得到混合物；
C、将步骤B得到的混合物与水按质量比1:1混匀，加入卧式球磨机进行湿法粗磨得到300目的料浆，再加入超细卧式砂磨机进行细磨，得到8000目的料浆，然后通过压滤机固液分离得到浆饼，最后在闪蒸干燥系统中295℃干燥18s,得到陶瓷粉料；
D、取步骤C得到的陶瓷粉料造粒得到种子，向滚动制球成型系统中加入种子，并向滚动制球成型系统中以雾状形式喷入水，再加入步骤C得到的陶瓷粉料，陶瓷粉料包裹种子，滚制成球，得初始研磨球；
E、将步骤D得到的初始研磨球经温度为190℃干燥18h，然后在自动化窑炉中1250℃烧成24h，最后抛光，即得陶瓷研磨球。
实施例2
A、按以下重量kg称取原料：石榴石尾矿改性材料100kg、氧化铝20kg、氧化钇0.8kg、氧化锆5.5kg、高岭土5.5kg和滑石5kg，所述石榴石尾矿改性材料由锰铝榴石与硅土按质量比10.5：1混合而成；
B、将石榴石尾矿改性材料、氧化铝、氧化钇、氧化锆、高岭土与滑石混匀，得到混合物；
C、将步骤B得到的混合物与水按质量比1:1混匀，加入卧式球磨机进行湿法粗磨得到500目的料浆，再加入超细卧式砂磨机进行细磨，得到10000目的料浆，然后通过压滤机固液分离得到浆饼，最后在闪蒸干燥系统中干燥，其干燥温度为305℃，干燥时间为22s,得到陶瓷粉料；
D、取步骤C得到的陶瓷粉料造粒得到种子，向滚动制球成型系统中加入种子，并向滚动制球成型系统中以雾状形式喷入水，再加入步骤C得到的陶瓷粉料，陶瓷粉料包裹种子，滚制成球，得初始研磨球；
E、将步骤D得到的初始研磨球经温度为210℃干燥20h，然后在自动化窑炉中1260℃烧成26h，最后抛光，即得陶瓷研磨球。
实施例3
A、按以下重量kg称取原料：石榴石尾矿改性材料100kg、氧化铝18.5kg、氧化钇0.7kg、氧化锆5kg、高岭土5kg和滑石4.5kg，所述石榴石尾矿改性材料为硅酸铝盐铁矿物，其化学式为S iO2·A l 2O3·FeO·H2O；
B、将石榴石尾矿改性材料、氧化铝、氧化钇、氧化锆、高岭土与滑石混匀，得到混合物；
C、将步骤B得到的混合物与水按质量比1:1混匀，加入卧式球磨机进行湿法粗磨得到400目的料浆，再加入超细卧式砂磨机进行细磨，得到9000目的料浆，然后通过压滤机固液分离得到浆饼，最后在闪蒸干燥系统中干燥，其干燥温度为300℃，干燥时间为20s,得到陶瓷粉料；
D、取步骤C得到的陶瓷粉料造粒得到种子，向滚动制球成型系统中加入种子，并向滚动制球成型系统中以雾状形式喷入水，再加入步骤C得到的陶瓷粉料，陶瓷粉料包裹种子，滚制成球，得初始研磨球；
E、将步骤D得到的初始研磨球经温度为200℃干燥19h，然后在自动化窑炉中1255℃烧成25h，最后抛光，即得陶瓷研磨球。
将实施例1制得的陶瓷研磨球以及现有的氧化铝陶瓷研磨球、氧化锆陶瓷研磨球、硅酸锆陶瓷研磨球进行24小时自磨耗测试，其具体结果如下表1所示。
表1
Figure BDA0002101424810000061
对比不同材质研磨球的粒径均为6mm,由此可见，四种材质中，实施例1制得的陶瓷研磨球的24小时自磨耗最低。与氧化铝、氧化锆、硅酸锆材质陶瓷研磨球自磨耗量分别下降61％、26％、44％。
以上所述仅为本发明的较佳实施例，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 (6)

1.一种陶瓷研磨球的制备方法，其特征在于，陶瓷研磨球由以下重量份的原料制成：石榴石尾矿改性材料100份、氧化铝17-20份、氧化钇0.6-0.8份、氧化锆4.5-5.5份、高岭土4.5-5.5份和滑石4-5份；
其中，所述石榴石尾矿改性材料为硅酸铝盐铁矿物，所述硅酸铝盐铁矿物的化学式为SiO2·Al2O3·FeO·H2O；
或所述石榴石尾矿改性材料由石榴石尾矿和硅土按质量比(8.5-10.5)：1混合而成，所述石榴石尾矿为镁铝榴石、铁铝榴石、锰铝榴石、钙铬榴石、钙铝榴石与钙铁榴石中的一种或几种的混合物；
所述陶瓷研磨球的制备包括以下步骤：
A、按以下重量份称取原料：石榴石尾矿改性材料100份、氧化铝17-20份、氧化钇0.6-0.8份、氧化锆4.5-5.5份、高岭土4.5-5.5份和滑石4-5份；
B、将石榴石尾矿改性材料、氧化铝、氧化钇、氧化锆、高岭土与滑石混匀，得到混合物；
C、将步骤B得到的混合物与水混匀，进行湿法粗磨得到300-500目的料浆，再进行细磨，得到8000-10000目的料浆，然后固液分离得到浆饼，最后闪蒸干燥,得到陶瓷粉料；
D、取步骤C得到的陶瓷粉料，造粒得到种子，向滚动制球成型系统中加入种子，并向滚动制球成型系统中以雾状形式喷入水，再加入步骤C得到的陶瓷粉料，陶瓷粉料包裹种子，滚制成球，得初始研磨球；
E、将步骤D得到的初始研磨球经干燥、窑炉烧成、抛光，即得陶瓷研磨球。
2.根据权利要求1所述一种陶瓷研磨球的制备方法，其特征在于，所述陶瓷研磨球由以下重量份的原料制成：石榴石尾矿改性材料100份、氧化铝17份、氧化钇0.6份、氧化锆4.5份、高岭土4.5份和滑石4份。
3.根据权利要求1所述一种陶瓷研磨球的制备方法，其特征在于，所述陶瓷研磨球由以下重量份的原料制成：石榴石尾矿改性材料100份、氧化铝20份、氧化钇0.8份、氧化锆5.5份、高岭土5.5份和滑石5份。
4.根据权利要求1所述一种陶瓷研磨球的制备方法，其特征在于，所述陶瓷研磨球由以下重量份的原料制成：石榴石尾矿改性材料100份、氧化铝18.5份、氧化钇0.7份、氧化锆5份、高岭土5份和滑石4.5份。
5.根据权利要求1所述一种陶瓷研磨球的制备方法，其特征在于，在步骤C中，所述步骤B得到的混合物与水的质量比为1:1，闪蒸干燥温度为295-305℃，干燥时间为18-22s。
6.根据权利要求1所述一种陶瓷研磨球的制备方法，其特征在于，在步骤E中，所述干燥温度为190-210℃，干燥时间为18-20h，所述窑炉烧成温度为1250-1260℃，烧成时间为24-26h。
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