| 变压器用丁腈橡胶密封圈失效分析 |
| Failure Analysis of NBR Sealing Ring for Transformer |
| 投稿时间：2022-04-15 修订日期：2022-04-19 |
| DOI：10.12136/j.issn.1000-890X.2023.06.0451 |
| 中文关键词: 丁腈橡胶 密封圈 变压器 失效分析 |
| 英文关键词: NBR sealing ring transformer failure analysis |
| 基金项目: |
|
| 摘要点击次数: 1375 |
| 全文下载次数: 1024 |
| 中文摘要: |
| 对某电站变压器的排油注氮灭火阀体丁腈橡胶密封圈失效进行分析。结果表明，本研究开裂橡胶密封圈胶料添加了大量异形填料，且分散不均匀，填料与橡胶基体界面存在较大缝隙，甚至有明显相分离现象，导致橡胶密封圈受力后发生开裂。针对橡胶密封圈的失效问题提出相应解决措施，包括根据具体设备以及服役环境进行橡胶密封圈的合理选材并严格控制生产质量、在设备安装阶段保证橡胶密封圈的质量、严格按照要求进行橡胶密封圈的安装和更换等。 |
| 英文摘要: |
| The failure analysis of the nitrile rubber（NBR） sealing ring of the fire extinguishing valve
body of a power station transformer for oil discharge and nitrogen injection was carried out. The results
showed that in this study，a large number of special-shaped fillers were used in the compounds for the
rubber sealing rings which failed due to cracks，their dispersion was not uniform，and there were large
gaps between the filler and the rubber matrix and obvious phase separation phenomenon，which caused the
cracks in the rubber sealing ring under stress. The corresponding solutions were then put forward，including
material reasonable selection of the rubber sealing ring and strict control production quality according to the
requirements of specific equipment and service environment，assurance of quality the rubber sealing ring in
the equipment installation stage，and installation and replacement of the rubber sealing ring strictly according
to reqirement. |
|
|
查看全文
查看/发表评论 下载PDF阅读器 |
| 关闭 |
