CN106316383A - 一种直流氧化锌阀片的制备方法 - Google Patents
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 239000011787 zinc oxide Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 229910000416 bismuth oxide Inorganic materials 0.000 claims abstract description 13
- 238000001354 calcination Methods 0.000 claims abstract description 13
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000003756 stirring Methods 0.000 claims abstract description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910000476 molybdenum oxide Inorganic materials 0.000 claims abstract description 11
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052814 silicon oxide Inorganic materials 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims abstract description 10
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000000498 ball milling Methods 0.000 claims description 10
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 10
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 10
- 238000007792 addition Methods 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 238000004528 spin coating Methods 0.000 claims description 5
- -1 stibium oxide Chemical compound 0.000 claims description 5
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 claims description 2
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 claims description 2
- 229920002554 vinyl polymer Polymers 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract 2
- 230000006835 compression Effects 0.000 abstract 2
- 238000007906 compression Methods 0.000 abstract 2
- 229910000410 antimony oxide Inorganic materials 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000000748 compression moulding Methods 0.000 abstract 1
- 238000000227 grinding Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 abstract 1
- 229960001296 zinc oxide Drugs 0.000 description 16
- 230000000694 effects Effects 0.000 description 4
- 239000008358 core component Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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- C04B35/453—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zinc, tin, or bismuth oxides or solid solutions thereof with other oxides, e.g. zincates, stannates or bismuthates
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Abstract
本发明公开了一种直流氧化锌阀片的制备方法，其制备步骤为：（1）将氧化铋、氧化钼、氧化硅、氧化锑、氧化锆混合后加入等质量水，搅拌后置入球磨机中球磨；（2）将混合料与氧化锌混合，搅拌后在压模中压制成型，再置入煅烧炉中煅烧；（3）将煅烧好的阀片自然冷却，再将涂布剂均匀旋涂在阀片表面，要求保留阀片边缘空白不进行涂布，涂布后再置入烘烤炉中烘烤；本发明的有益效果是：采用压制煅烧工艺，可以有效提高阀片的能量密度，还在阀片表面涂布了特制的涂布剂，能有效加强阀片的长期电学稳定性。
Description
技术领域
本发明涉及氧化锌阀片制备技术领域，特别是一种直流氧化锌阀片的制备方法。
背景技术
氧化锌避雷器是具有良好保护性能的避雷器。利用氧化锌良好的非线性伏安特性，使在正常工作电压时流过避雷器的电流极小；当过电压作用时，电阻急剧下降，泄放过电压的能量，达到保护的效果。这种避雷器和传统的避雷器的差异是它没有放电间隙，利用氧化锌的非线性特性起到泄流和开断的作用。避雷器的核心部件就是氧化锌阀片，氧化锌阀片的优劣决定了避雷器的性能。尽管现在多数电力网络使用的都是交流电系统，但是有些特殊的电力配置区域采用直流电系统更为合理，而这些区域也需要配置氧化锌避雷器来保护系统安全。
但是对直流电系统，氧化锌避雷器的核心部件氧化锌阀片必须在配方和工艺上都需有所变化才能适应。
发明内容
本发明的目的是为了提供一种直流氧化锌阀片的制备方法。
为实现上述目的，本发明公开了一种直流氧化锌阀片的制备方法，按重量份取氧化锌80-100、氧化铋4-6、氧化钼4-6、氧化硅3-5、氧化锑3-5、氧化锆1-3、涂布剂3-5，其制备步骤为：
（1）将氧化铋、氧化钼、氧化硅、氧化锑、氧化锆混合后加入等质量水，搅拌30-40分钟后，置入球磨机中球磨8-10小时；
（2）将步骤一中球磨好的混合料与氧化锌混合，搅拌20-30分钟后，在压模中压制成型，再置入煅烧炉中煅烧2-3小时，煅烧温度设定为750-800℃；
（3）将煅烧好的阀片自然冷却，再将涂布剂均匀旋涂在阀片表面，旋涂转速设定为2000rpm，要求保留阀片边缘留取2-3毫米空白不进行涂布，涂布后再置入烘烤炉中烘烤1-2小时，烘烤温度设定为400-450℃。
其中，所述涂布剂由氧化铋、氧化锰、聚乙烯醇缩醛、乙醇组成。
本发明的优点和积极效果是：
本发明方法采用压制煅烧工艺，可以有效提高阀片的能量密度，还在阀片表面涂布了特制的涂布剂，能有效加强阀片的长期电学稳定性。
具体实施方式
具体实施例一：
一种直流氧化锌阀片的制备方法，按重量份取氧化锌80、氧化铋4、氧化钼4、氧化硅3、氧化锑3、氧化锆1、涂布剂3，其制备步骤为：
（1）将氧化铋、氧化钼、氧化硅、氧化锑、氧化锆混合后加入等质量水，搅拌30分钟后，置入球磨机中球磨8小时；
（2）将步骤一中球磨好的混合料与氧化锌混合，搅拌20分钟后，在压模中压制成型，再置入煅烧炉中煅烧2小时，煅烧温度设定为750℃；
（3）将煅烧好的阀片自然冷却，再将涂布剂均匀旋涂在阀片表面，旋涂转速设定为2000rpm，要求保留阀片边缘留取2-3毫米空白不进行涂布，涂布后再置入烘烤炉中烘烤1小时，烘烤温度设定为400℃。
具体实施例二：
一种直流氧化锌阀片的制备方法，按重量份取氧化锌100、氧化铋6、氧化钼6、氧化硅5、氧化锑5、氧化锆3、涂布剂5，其制备步骤为：
（1）将氧化铋、氧化钼、氧化硅、氧化锑、氧化锆混合后加入等质量水，搅拌40分钟后，置入球磨机中球磨10小时；
（2）将步骤一中球磨好的混合料与氧化锌混合，搅拌30分钟后，在压模中压制成型，再置入煅烧炉中煅烧3小时，煅烧温度设定为800℃；
（3）将煅烧好的阀片自然冷却，再将涂布剂均匀旋涂在阀片表面，旋涂转速设定为2000rpm，要求保留阀片边缘留取2-3毫米空白不进行涂布，涂布后再置入烘烤炉中烘烤2小时，烘烤温度设定为450℃。
具体实施例三：
一种直流氧化锌阀片的制备方法，按重量份取氧化锌90、氧化铋5、氧化钼5、氧化硅4、氧化锑4、氧化锆2、涂布剂4，其制备步骤为：
（1）将氧化铋、氧化钼、氧化硅、氧化锑、氧化锆混合后加入等质量水，搅拌35分钟后，置入球磨机中球磨9小时；
（2）将步骤一中球磨好的混合料与氧化锌混合，搅拌25分钟后，在压模中压制成型，再置入煅烧炉中煅烧2.5小时，煅烧温度设定为780℃；
（3）将煅烧好的阀片自然冷却，再将涂布剂均匀旋涂在阀片表面，旋涂转速设定为2000rpm，要求保留阀片边缘留取2-3毫米空白不进行涂布，涂布后再置入烘烤炉中烘烤1.5小时，烘烤温度设定为430℃。
以上所述，仅为本发明较佳的具体实施方式，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，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。
Claims (2)
1.一种直流氧化锌阀片的制备方法，按重量份取氧化锌80-100、氧化铋4-6、氧化钼4-6、氧化硅3-5、氧化锑3-5、氧化锆1-3、涂布剂3-5，其特征在于其制备步骤为：
（1）将氧化铋、氧化钼、氧化硅、氧化锑、氧化锆混合后加入等质量水，搅拌30-40分钟后，置入球磨机中球磨8-10小时；
（2）将步骤一中球磨好的混合料与氧化锌混合，搅拌20-30分钟后，在压模中压制成型，再置入煅烧炉中煅烧2-3小时，煅烧温度设定为750-800℃；
（3）将煅烧好的阀片自然冷却，再将涂布剂均匀旋涂在阀片表面，旋涂转速设定为2000rpm，要求保留阀片边缘留取2-3毫米空白不进行涂布，涂布后再置入烘烤炉中烘烤1-2小时，烘烤温度设定为400-450℃。
2.根据权利要求1所述的一种直流氧化锌阀片的制备方法，其特征在于：所述涂布剂由氧化铋、氧化锰、聚乙烯醇缩醛、乙醇组成。
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