CN110911062A - 一种棒形瓷绝缘子及其制备方法 - Google Patents
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- 239000012212 insulator Substances 0.000 title claims abstract description 55
- 229910052573 porcelain Inorganic materials 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title abstract description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 14
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 11
- HQNHTEJTBUTVAE-UHFFFAOYSA-N cerium(3+);borate Chemical compound [Ce+3].[O-]B([O-])[O-] HQNHTEJTBUTVAE-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000004927 clay Substances 0.000 claims abstract description 7
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims abstract description 7
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052622 kaolinite Inorganic materials 0.000 claims abstract description 7
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- 238000000034 method Methods 0.000 claims 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 3
- 229920000620 organic polymer Polymers 0.000 description 3
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- 230000007613 environmental effect Effects 0.000 description 2
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- 238000000465 moulding Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
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Abstract
本发明公开了棒形瓷绝缘子及其制备方法,涉及电瓷技术领域,所述绝缘子由如下质量份数的原料制成:左云土10~30份、莫来石粉20~30份、钛白粉3~8份、高岭石5~10份、三氧化二镧1~3份、法库粘土1~5份、氧化锆4~10份、纳米硼酸铈2~8份。本发明的有益效果是本发明在传统制备工艺的基础上改变了瓷绝缘子原料的组分和配比,制得的瓷绝缘子相比于现有技术中的瓷绝缘子具有更加优良的抗拉强度和抗压强度,且保持了良好的绝缘性。
Description
技术领域
本发明涉及电瓷技术领域,更具体的涉及一种棒形瓷绝缘子及其制备方法。
背景技术
在现有技术中,绝缘子是一种特殊的绝缘控件,能够在架空输电线路中起到重要作用。现在发展为高压电线连接塔的一端挂了很多盘状的绝缘体,它是为了增加爬电距离的,通常由陶瓷制成。绝缘子不应该由于环境和电负荷条件发生变化导致的各种机电应力而失效,否则绝缘子就不会产生重大的作用,就会损害整条线路的使用和运行寿命。瓷绝缘子在架空输电线路中起着两个基本作用,即支撑导线和防止电流回地。瓷绝缘子由绝缘瓷体和金属附件组成,绝缘瓷体表面有多个、间隔、突出的圆形伞裙。绝缘瓷体原料选择不同,其机械性能、电气性能不同,合理选用原料是保证产品性能、使用安全的重要保障。本类产品种类繁多,配方各异,达标才是产品质量的保证。
绝缘子是电力系统的重要零部件。在现有的电机传动的电力机车中普遍使用的是橡胶、树脂等有机高分子复合材料绝缘子,这种绝缘子相对传统的陶瓷绝缘子具有制造工艺相对简单、成型比较容易、产品质量可靠性较高等优点。但是,有机高分子材料本身存在着明显的缺点,如耐温、耐老化性能差。一般的有机绝缘材料最高使用温度不超过300℃,并且当温度较高时其使用寿命也大打折扣。而随着环境温度上升,有机高分子材料的老化速度加快,使用寿命缩短,并产生开裂、机械、电气性能下降等问题,严重影响产品的质量稳定性,无法完全满足新型高速电力的需求。
发明内容
本发明所要解决的技术问题是,克服以上现有技术的缺点:一种棒形瓷绝缘子及其制造方法。
本发明的技术解决方案如下:
一种棒形瓷绝缘子,包括棒形瓷绝缘子本体以及胶装于瓷绝缘子本体两端的金具附件,所述棒形瓷绝缘子本体由如下质量份数的原料制成:左云土10~30份、莫来石粉20~30份、钛白粉3~8份、高岭石5~10份、三氧化二镧1~3份、法库粘土1~5份、氧化锆4~10份、纳米硼酸铈2~8份。
作为优选技术方案,所述棒形瓷绝缘子本体由如下质量份数的原料制成:左云土15~25份、莫来石粉22~28份、钛白粉4~7份、高岭石6~9份,三氧化二镧1.5~2.5份、法库粘土2~4份、氧化锆6~8份、纳米硼酸铈3~7份。
所述的棒形瓷绝缘子的制备方法,包括以下步骤:
S1、将基体材料与水打浆得到浆料,经球磨、过筛、除铁、榨泥,水分控制在12~15%,陈腐后修坯成型,修坯时在绝缘子坯件上方增加吊烧头,绝缘子坯件下方增加底座;
S2、将步骤S1所得坯件自然阴干或伞盘发灰白色,进行烘干,烘干至水分1~1.5%;
S3、将步骤S2烘干后坯件在浸釉池中浸釉,垂直装入窑炉,在窑炉中用支架固定吊烧头,将坯件用氧化焰三段焙烧,第一段420~500℃保温5~7小时,第二段980~1000℃保温1~2h,第三段1150~1200℃保温5~7小时,焙烧结束后随炉冷却;
S4、将步骤S3烧结的绝缘子瓷件出窑后切去吊烧头和底座;
S5、将步骤S4修整的绝缘子瓷件两端采用胶合剂胶装金具附件,即得棒形瓷绝缘子。
本发明的有益效果是:本发明在传统制备工艺的基础上改变了瓷绝缘子原料的组分和配比,制得的瓷绝缘子相比于现有技术中的瓷绝缘子具有更加优良的抗拉强度和抗压强度,且保持了良好的绝缘性,适用于特高压输电线路的架设安装。
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作出创造性劳动的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。
需要说明的是,在不冲突的情况下,本发明中的实施例及实施例中的特征可以相互组合。
下面结合具体实施例对本发明作进一步说明,但不作为本发明的限定。
实施例1
称取以下质量的原料:左云土10kg、莫来石粉20kg、钛白粉3kg、高岭石5kg、三氧化二镧1kg、法库粘土1kg、氧化锆4kg、纳米硼酸铈2kg。
按照以下方法进行制备:
S1、将基体材料与水打浆得到浆料,经球磨、过筛、除铁、榨泥,水分控制在12%,陈腐后修坯成型,修坯时在绝缘子坯件上方增加吊烧头,绝缘子坯件下方增加底座;
S2、将步骤S1所得坯件自然阴干或伞盘发灰白色,进行烘干,烘干至水分1%;
S3、将步骤S2烘干后坯件在浸釉池中浸釉,垂直装入窑炉,在窑炉中用支架固定吊烧头,将坯件用氧化焰三段焙烧,第一段420℃保温5小时,第二段980℃保温1h,第三段1150℃保温5小时,焙烧结束后随炉冷却;
S4、将步骤S3烧结的绝缘子瓷件出窑后切去吊烧头和底座;
S5、将步骤S4修整的绝缘子瓷件两端采用胶合剂胶装金具附件,即得棒形瓷绝缘子。
实施例2
称取以下质量的原料:左云土25kg、莫来石粉28kg、钛白粉7kg、高岭石9kg,三氧化二镧2.5kg、法库粘土4kg、氧化锆8kg、纳米硼酸铈7kg。
按照以下方法进行制备:
S1、将基体材料与水打浆得到浆料,经球磨、过筛、除铁、榨泥,水分控制在15%,陈腐后修坯成型,修坯时在绝缘子坯件上方增加吊烧头,绝缘子坯件下方增加底座;
S2、将步骤S1所得坯件自然阴干或伞盘发灰白色,进行烘干,烘干至水分1.5%;
S3、将步骤S2烘干后坯件在浸釉池中浸釉,垂直装入窑炉,在窑炉中用支架固定吊烧头,将坯件用氧化焰三段焙烧,第一段500℃保温7小时,第二段1000℃保温2h,第三段1200℃保温7小时,焙烧结束后随炉冷却;
S4、将步骤S3烧结的绝缘子瓷件出窑后切去吊烧头和底座;
S5、将步骤S4修整的绝缘子瓷件两端采用胶合剂胶装金具附件,即得棒形瓷绝缘子。
以上仅为本发明较佳的实施例,并非因此限制本发明的实施方式及保护范围,对于本领域技术人员而言,应当能够意识到凡运用本发明说明书内容所作出的等同替换和显而易见的变化所得到的方案,均应当包含在本发明的保护范围内。
Claims (3)
1.一种棒形瓷绝缘子,其特征在于:包括棒形瓷绝缘子本体以及胶装于瓷绝缘子本体两端的金具附件,所述棒形瓷绝缘子本体由如下质量份数的原料制成:左云土10~30份、莫来石粉20~30份、钛白粉3~8份、高岭石5~10份、三氧化二镧1~3份、法库粘土1~5份、氧化锆4~10份、纳米硼酸铈2~8份。
2.根据权利要求1所述的棒形瓷绝缘子,特征在于:所述棒形瓷绝缘子本体由如下质量份数的原料制成:左云土15~25份、莫来石粉22~28份、钛白粉4~7份、高岭石6~9份,三氧化二镧1.5~2.5份、法库粘土2~4份、氧化锆6~8份、纳米硼酸铈3~7份。
3.如权利要求1~2任一所述的棒形瓷绝缘子的制备方法,特征在于:包括以下步骤:
S1、将基体材料与水打浆得到浆料,经球磨、过筛、除铁、榨泥,水分控制在12~15%,陈腐后修坯成型,修坯时在绝缘子坯件上方增加吊烧头,绝缘子坯件下方增加底座;
S2、将步骤S1所得坯件自然阴干或伞盘发灰白色,进行烘干,烘干至水分1~1.5%;
S3、将步骤S2烘干后坯件在浸釉池中浸釉,垂直装入窑炉,在窑炉中用支架固定吊烧头,将坯件用氧化焰三段焙烧,第一段420~500℃保温5~7小时,第二段980~1000℃保温1~2h,第三段1150~1200℃保温5~7小时,焙烧结束后随炉冷却;
S4、将步骤S3烧结的绝缘子瓷件出窑后切去吊烧头和底座;
S5、将步骤S4修整的绝缘子瓷件两端采用胶合剂胶装金具附件,即得棒形瓷绝缘子。
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