CN106978074A - 变压器设备绝缘涂层液及其制备方法 - Google Patents

变压器设备绝缘涂层液及其制备方法 Download PDF

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CN106978074A
CN106978074A CN201710280453.8A CN201710280453A CN106978074A CN 106978074 A CN106978074 A CN 106978074A CN 201710280453 A CN201710280453 A CN 201710280453A CN 106978074 A CN106978074 A CN 106978074A
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朱国勤
李磊
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Jiang Electricity Electrical Machinery Co Ltd Of Jurong City
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Abstract

本发明提供了变压器设备绝缘涂层液及其制备方法,涉及涂层液制备技术领域,所述变压器设备绝缘涂层液由以下重量份数的原料制备而成:植物油基绝缘油4份‑26份,金属磷酸二氢盐溶液35份‑50份,钼酸锌16份‑25份,硼酸4份‑10份,胶体二氧化硅5份‑10份,纳米氧化物2份‑5份,有机树脂2份‑13份,抗氧化剂0.2份‑0.8份,非离子表面活性剂0.01份‑0.08份,其余为去离子水。其中植物油基绝缘油由植物油与乙醇发生酯交换反应得到。本发明的优点在于,以植物油为原料代替不可生物降解的矿物油,磷酸盐取代了有毒性的铬元素,减少了环境污染,涂层均一性好,附着能力强,绝缘效果显著。

Description

变压器设备绝缘涂层液及其制备方法
技术领域
本发明属于涂层液制备领域,尤其涉及变压器设备绝缘涂层液及其制备方法。
背景技术
常用的变压器绝缘涂层液多采用含铬酸盐的无机涂层液,但是铬元素的正六价态属于剧毒物,具有致癌性。矿物油难以生物降解,一旦泄漏将会对水源、居住环境等造成污染,无法达到环保绝缘材料的要求。但由于矿物油绝缘性较强、粘度适中,因此一直仅被用作电容器的绝缘浸渍剂。
随着科技发展的迅速,环境污染的负面效应和环境保护被越来越多的人重视。因此开发出一种环保绝缘涂料成为研究重点。有研究显示大量无机盐可以取代铬酸盐,并且为绝缘材料提供稳定性能。植物油可再生, 不污染环境, 以植物油为绝缘基础油, 具有减少矿物绝缘油对环境造成的污染和有效应对石油资源枯竭的双重意义。
发明内容
本发明提供变压器设备绝缘涂层液及其制备方法,采用食物油基绝缘油和磷酸盐体系,具有绝缘效果好,附着性强,污染小的优点。
为了解决上述问题,本发明采用的技术方案是:
变压器设备绝缘涂层液由以下重量份数的原料制备而成:植物油基绝缘油4份-26份,金属磷酸二氢盐溶液35份-50份,钼酸锌16份-25份,硼酸4份-10份,胶体二氧化硅5份-10份,纳米氧化物2份-5份,有机树脂2份-13份,抗氧化剂0.2份-0.8份,非离子表面活性剂0.01份-0.08份,余量为去离子水。
进一步的,所述植物油基绝缘油由大豆油与乙醇发生酯交换反应得到。
进一步的,所述金属磷酸二氢盐溶液是磷酸二氢铝或磷酸二氢镁溶液,浓度是0.5mol/L-1mol/L。
进一步的,所述纳米氧化物是纳米氧化铝,纳米氧化镁的一种或两种。
进一步的,所述有机树脂是丙烯酸树脂。
进一步的,所述抗氧化剂是茶多酚,维生素E的一种或两种。
进一步的,所述非离子表面活性剂是丙二醇聚环氧乙烷聚环氧丙烷醚。
进一步的,所述原料的重量份数为植物油基绝缘油8份-15份,金属磷酸二氢盐溶液35份-45份,钼酸锌15份-22份,硼酸5份-8份,胶体二氧化硅6份-8份,纳米氧化物3份-4份,有机树脂4份-10份,抗氧化剂0.3份-0.6份,非离子表面活性剂0.03份-0.06份。
本发明还提供了变压器设备绝缘涂层液的制备方法,包括:
S1、将植物油基绝缘油,有机树脂,纳米氧化物混合,加热至150-250℃,搅拌1小时 ,得到混合液,其中,将植物油倒入无水乙醇和质量浓度80%的氢氧化钾溶液中,搅拌30-60分钟,即得所述植物油基绝缘油;
S2、在S1得到的所述混合液中依次加入金属磷酸二氢盐溶液,钼酸锌,胶体二氧化硅,搅拌1-2小时,冷却至室温,得到常温混合液;
S3、在所述常温混合液中加入硼酸,直至pH值<4,再加入非离子表面活性剂和抗氧化剂,搅拌10-20分钟,静置即得所述变压器设备绝缘涂层液。
本发明的有益效果包括:(1)本发明使用食物油基绝缘油和磷酸盐体系,绝缘效果好,附着性强,污染小,能适用与变压器设备;(2)本发明与现有的绝缘涂层液相比,其生产原料污染小、润绝缘效果好,附着能力强。
具体实施方式
下面结合实施例对本发明作进一步详述:
实施例1
一种变压器设备绝缘涂层液,由以下重量份数的原料制备而成:大豆油基绝缘油8份,0.6mol/L磷酸二氢铝溶液3份,钼酸锌15份,硼酸5份,胶体二氧化硅6份,纳米氧化铝3份,丙烯酸树脂4份,茶多酚0.3,丙二醇聚环氧乙烷聚环氧丙烷醚0.03份,其余为去离子水。
实施例2
一种变压器设备绝缘涂层液,由以下重量份数的原料制备而成:大豆油基绝缘油10份,0.6mol/L磷酸二氢铝溶液43份,钼酸锌20份,硼酸5份,胶体二氧化硅10份,纳米氧化铝5份,丙烯酸树脂6份,茶多酚0.3,丙二醇聚环氧乙烷聚环氧丙烷醚0.03份,其余为去离子水。
实施例3
一种变压器设备绝缘涂层液,由以下重量份数的原料制备而成:大豆油基绝缘油26份,0.6mol/L磷酸二氢铝溶液50份,钼酸锌15份,硼酸10份,胶体二氧化硅10份,纳米氧化铝5份,丙烯酸树脂13份,茶多酚0.8,丙二醇聚环氧乙烷聚环氧丙烷醚0.08份。
一种变压器设备绝缘涂层液制备方法包括:
S1、将植物油基绝缘油,有机树脂,纳米氧化物混合,加热至150-250℃,搅拌1小时 ,得到混合液,其中,将植物油倒入无水乙醇和质量浓度80%的氢氧化钾溶液中,搅拌30-60分钟,即得所述植物油基绝缘油;
S2、在S1得到的所述混合液中依次加入金属磷酸二氢盐溶液,钼酸锌,胶体二氧化硅,搅拌1-2小时,冷却至室温,得到常温混合液;
S3、在所述常温混合液中加入硼酸,直至pH值<4,再加入非离子表面活性剂和抗氧化剂,搅拌10-20分钟,静置即得所述变压器设备绝缘涂层液。
以上所述,仅为本发明的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,可轻易想到的变化或替换,都应涵盖在本发明的保护范围之内。因此,本发明的保护范围应该以权利要求的保护范围为准。

Claims (10)

1.一种变压器设备绝缘涂层液,其特征在于,由下列重量份的原料制成:植物油基绝缘油4份-26份,金属磷酸二氢盐溶液35份-50份,钼酸锌16份-25份,硼酸4份-10份,胶体二氧化硅5份-10份,纳米氧化物2份-5份,有机树脂2份-13份,抗氧化剂0.2份-0.8份,非离子表面活性剂0.01份-0.08份,余量为去离子水。
2.根据权利要求1 所述的变压器设备绝缘涂层液,其特征在于,由下列重量份的原料制成:植物油基绝缘油8份-15份,金属磷酸二氢盐溶液35份-45份,钼酸锌15份-22份,硼酸5份-8份,胶体二氧化硅6份-8份,纳米氧化物3份-4份,有机树脂4份-10份,抗氧化剂0.3份-0.6份,非离子表面活性剂0.03份-0.06份。
3.根据权利要求2所述的变压器设备绝缘涂层液,其特征在于,所述植物油基绝缘油由植物油与乙醇发生酯交换反应得到。
4.根据权利要求3所述的变压器设备绝缘涂层液,其特征在于,所述植物油是大豆油或花生油。
5.根据权利要求2所述的变压器设备绝缘涂层液,其特征在于,所述金属磷酸二氢盐溶液包括磷酸二氢铝溶液或磷酸二氢镁溶液,所述磷酸二氢铝溶液或所述磷酸二氢镁溶液的浓度是0.5mol/L-1mol/L。
6.根据权利要求2所述的变压器设备绝缘涂层液,其特征在于,所述纳米氧化物是纳米氧化铝或纳米氧化镁中的一种或两种。
7.根据权利要求2所述的变压器设备绝缘涂层液,其特征在于,所述有机树脂是丙烯酸树脂。
8.根据权利要求2所述的变压器设备绝缘涂层液,其特征在于,所述抗氧化剂是茶多酚,维生素E中的一种或两种。
9.根据权利要求2所述的变压器设备绝缘涂层液,其特征在于,所述非离子表面活性剂是丙二醇聚环氧乙烷聚环氧丙烷醚。
10.一种变压器设备绝缘涂层液的制备方法,其特征在于,包括:
S1、将植物油基绝缘油,有机树脂,纳米氧化物混合,加热至150-250℃,搅拌1小时 ,得到混合液;
S2、在S1得到的所述混合液中依次加入金属磷酸二氢盐溶液,钼酸锌,胶体二氧化硅,搅拌1-2小时,冷却至室温,得到常温混合液;
S3、在所述常温混合液中加入硼酸,直至pH值<4,再加入非离子表面活性剂和抗氧化剂,搅拌10-20分钟,静置即得所述变压器设备绝缘涂层液。
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CN110229549A (zh) * 2019-05-14 2019-09-13 全球能源互联网研究院有限公司 一种耐高温绝缘组合物、绝缘涂层及其制备方法和应用

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CN107474919A (zh) * 2017-08-15 2017-12-15 吴丹 一种用于变压器的绝缘油
CN110229549A (zh) * 2019-05-14 2019-09-13 全球能源互联网研究院有限公司 一种耐高温绝缘组合物、绝缘涂层及其制备方法和应用

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