CN106518008A - 一种高强度瓷绝缘子及其制备方法 - Google Patents

一种高强度瓷绝缘子及其制备方法 Download PDF

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CN106518008A
CN106518008A CN201611037152.4A CN201611037152A CN106518008A CN 106518008 A CN106518008 A CN 106518008A CN 201611037152 A CN201611037152 A CN 201611037152A CN 106518008 A CN106518008 A CN 106518008A
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袁子娇
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Abstract

本发明属于电瓷绝缘子，尤其涉及一种高强度瓷绝缘子及其制备方法，由如下原料质量份数组成：铝矾土20‑30份、氧化锆5‑10份、泾阳土10‑20份、钾长石5‑10份、白胶泥15‑24份、黑粘土12‑15份、左云土5‑10份，矿化剂1‑3份，硅酸锆32‑38份。本发明通过控制各电瓷坯料的组分，达到增强瓷绝缘子机械强度的目的。

Description

一种高强度瓷绝缘子及其制备方法
技术领域
本发明属于电瓷绝缘子，尤其涉及一种高强度瓷绝缘子及其制备方法。
背景技术
电瓷坯料是指黏土原料和熔剂性原料及其他原料按一定比例组成的混合物，经磨细和混合成为可供制坯用泥料。在确定各种原料比例时必须保证坯料能满足电瓷生产过程所要求的工艺性能和烧成后瓷质的物理性能要求。瓷绝缘子的性能直接取决于黏土原料的品质和用量。
机械强度一直是电瓷生产追求的最重要的性能，因为电瓷材料具有高强度时，在同等电压等级的条件下，可以提高材料的使用率，降低成本。传统的瓷绝缘子，机械强度不高，上釉后对提高电瓷的机、电、热性能效果不好，尤其是不能较大的提高瓷质的弯曲强度。
发明内容
针对上述存在的不足，本发明提供了一种高强度瓷绝缘子及其制备方法，本发明通过控制各电瓷坯料的组分，达到增强瓷绝缘子机械强度的目的。
为了实现上述目的，本发明采用的技术方案如下：
一种高强度瓷绝缘子，其特征在于，主要由如下原料质量份数组成：铝矾土20-30份、氧化锆5-10份、泾阳土10-20份、钾长石5-10份、白胶泥15-24份、黑粘土12-15份、左云土5-10份，矿化剂1-3份，硅酸锆32-38份。
进一步的，所述矿化剂为石灰石、滑石粉、钛白粉、氧化钇中的一种。
进一步的，所述钾长石为低钠钾长石，钠含量小于2.5%。
进一步的，所述瓷绝缘子无釉弯曲强度大于180Mpa，拉伸强度大于113MPa。
进一步的，所述高强度瓷绝缘子的制备方法为：首先将原料按配好的比例称料，加入原料总重量30%的水得到浆料，然后对浆料进行球磨9h,得到的新浆料经过筛除铁后进行榨泥，得到的泥饼在真空练泥机内挤制，得到的泥段再进行电阴干，最后成型、干燥后即得到生坯，生坯经上釉、烧结、胶装后得到所述瓷绝缘子。
进一步的，所述烧结温度在1350℃-1400℃范围之间。
综上所述，本发明由于采用了上述方案，本发明具有以下优点：
本发明瓷绝缘子机械性能好且生产成本低，易于工艺控制。所用原料均为现有的普通陶瓷矿物原料，采用泾阳土，缩短球磨时间，既减少了成本又能改善工艺性能。该配方另一特点是合理匹配不同矿物类型的粘土，是材料具有良好的工艺性能，特别是烧成性能，易于工艺控制，提高瓷绝缘子合格率。
具体实施方式
下面结合实施例对本发明一种高强度瓷绝缘子及其制备方法，作进一步说明。
实施例1：
一种高强度瓷绝缘子，主要由如下原料质量份数组成：铝矾土20份、氧化锆5份、泾阳土10份、低钠钾长石5份且钠含量为2.0%、白胶泥15份、黑粘土12份、左云土5份，滑石粉1份，硅酸锆32份；瓷绝缘子无釉弯曲强度为182Mpa，拉伸强度为115MPa。
制备方法：
首先将上述原料按配好的比例称料，加入原料总重量30%的水得到浆料，然后对浆料进行球磨9h,得到的新浆料经过筛除铁后进行榨泥，得到的泥饼在真空练泥机内挤制，得到的泥段再进行电阴干，最后成型、干燥后即得到生坯，生坯经上釉、烧结、胶装后得到瓷绝缘子，烧结温度控制在1380℃。
实施例2：
一种高强度瓷绝缘子，主要由如下原料质量份数组成：铝矾土30份、氧化锆10份、泾阳土20份、低钠钾长石10份且钠含量为2.0%、白胶泥24份、黑粘土15份、左云土10份，滑石粉3份，硅酸锆38份；瓷绝缘子无釉弯曲强度为182Mpa，拉伸强度为115MPa。
制备方法同实施例1。
实施例3：
一种高强度瓷绝缘子，主要由如下原料质量份数组成：铝矾土25份、氧化锆7份、泾阳土16份、低钠钾长石7份且钠含量为2.0%、白胶泥20份、黑粘土14份、左云土8份，滑石粉1.5份，硅酸锆33份；瓷绝缘子无釉弯曲强度为182Mpa，拉伸强度为115MPa。
制备方法同实施例1。
以上所述仅为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 (6)

1.一种高强度瓷绝缘子，其特征在于，主要由如下原料质量份数组成：铝矾土20-30份、氧化锆5-10份、泾阳土10-20份、钾长石5-10份、白胶泥15-24份、黑粘土12-15份、左云土5-10份，矿化剂1-3份，硅酸锆32-38份。
2.根据权利要求1所述的高强度瓷绝缘子，其特征在于，所述矿化剂为石灰石、滑石粉、钛白粉、氧化钇中的一种。
3.根据权利要求1所述的高强度瓷绝缘子，其特征在于，所述钾长石为低钠钾长石，钠含量小于2.5%。
4.根据权利要求1所述的高强度瓷绝缘子，其特征在于，所述瓷绝缘子无釉弯曲强度大于180Mpa，拉伸强度大于113MPa。
5.根据权利要求1所述的高强度瓷绝缘子的制备方法，其特征在于，首先将原料按配好的比例称料，加入原料总重量30%的水得到浆料，然后对浆料进行球磨9h,得到的新浆料经过筛除铁后进行榨泥，得到的泥饼在真空练泥机内挤制，得到的泥段再进行电阴干，最后成型、干燥后即得到生坯，生坯经上釉、烧结、胶装后得到所述瓷绝缘子。
6.根据权利要求5所述的高强度瓷绝缘子的制备方法，其特征在于，所述烧结温度在1350℃-1400℃范围之间。
CN201611037152.4A 2016-11-23 2016-11-23 一种高强度瓷绝缘子及其制备方法 Pending CN106518008A (zh)

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Cited By (4)

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CN109574628A (zh) * 2019-01-31 2019-04-05 江西红星瓷业有限公司 一种高强度输电用瓷绝缘子的制备工艺
CN111592335A (zh) * 2020-06-02 2020-08-28 苏州电瓷厂股份有限公司 氧化锆瓷绝缘子坯料组合物及其制浆工艺与应用
CN112174642A (zh) * 2020-10-12 2021-01-05 萍乡市神州电瓷厂 一种双碟式瓷绝缘子及其制作方法
CN113354437A (zh) * 2021-07-14 2021-09-07 江西东维电气有限公司 一种增韧性柱式瓷绝缘子及其制备方法

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109574628A (zh) * 2019-01-31 2019-04-05 江西红星瓷业有限公司 一种高强度输电用瓷绝缘子的制备工艺
CN111592335A (zh) * 2020-06-02 2020-08-28 苏州电瓷厂股份有限公司 氧化锆瓷绝缘子坯料组合物及其制浆工艺与应用
CN112174642A (zh) * 2020-10-12 2021-01-05 萍乡市神州电瓷厂 一种双碟式瓷绝缘子及其制作方法
CN113354437A (zh) * 2021-07-14 2021-09-07 江西东维电气有限公司 一种增韧性柱式瓷绝缘子及其制备方法
CN113354437B (zh) * 2021-07-14 2022-11-15 江西东维电气有限公司 一种增韧性柱式瓷绝缘子及其制备方法

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