Technology of Removing Pollution and Aging Surface of Silicone Rubber Shed

被引：0
|
作者：
Yuan T. [1 ]
Gong Y. [1 ]
Zhang J. [1 ]
Wang Y. [1 ]
Tong Y. [1 ]
Yang G. [1 ]
机构：
[1] China Electric Power Research Institute, Wuhan
来源：
Dianwang Jishu/Power System Technology | 2021年 / 45卷 / 07期
关键词：
Fourier infrared spectrum; Hydrophobicity; Laser cleaning; Silicon rubber; Surface roughness;
D O I：
10.13335/j.1000-3673.pst.2020.0906
中图分类号：
学科分类号：
摘要：
In order to solve the problem that the hydrophobicity of the silicone rubber shed reduces due to contamination and aging, a laser cleaning technology is used to remove the surface contamination and aging surface of the silicone rubber shed. Based on the principle of rapid gasification of the silicone rubber when irradiated by a laser spot, the contamination and aging surface of the silicone rubber shed are removed. The power of the laser spot used for cleaning is 66W, spot pulse 200kHz, cleaning width 3cm, walking speed 3mm/s and cleaning depth 0.03mm/time. Fourier transform infrared spectroscopy (Fourier transformed infrared spectroscopy, FTIR) and 200 times surface cracking observation are carried out on the silicone rubber surfaces with different cleaning depths. When the cleaning depth is greater than or equal to 0.1 mm, the hydroxyl bond (-OH) will be significantly reduced. The disordered functional groups are removed and the cracking is almost disappeared near the SiO2 bonds and silicone methyl spectrum. Therefore, the recommended cleaning depth is 0.1-0.2mm. After laser cleaning, the silicone rubber surface has good hydrophobicity migration, and the recovery and migration of the hydrophobicity loss of the silicone rubber surface are significantly improved compared with those of non-cleaned surface. © 2021, Power System Technology Press. All right reserved.
引用
收藏
页码：2896 / 2903
页数：7
相关论文
共 22 条
  • [1] (2004)
  • [2] YUAN Tian, ZHANG Rui, WU Guangya, Et al., Effect of surface roughness of operating composite insulators on the hydrophobicity characteristic, High Voltage Engineering, 38, 11, pp. 2993-2999, (2012)
  • [3] (2019)
  • [4] QU Ailan, WEN Xiufang, PI Pihui, Et al., Study on superhydrophobicity of composite silica film surface, Journal of Inorganic Materials, 23, 2, pp. 373-378, (2008)
  • [5] XU ZHINIU, LU Fangcheng, LI Man, Et al., Study of silicone rubber hydrophobicity representation method using dynamic contact angle, High voltage Apparatus, 46, 10, pp. 6-9, (2010)
  • [6] GU Yu, HAO Yanpeng, HE Qiuping, Et al., Study of the influence of shed shapes of UHV composite post insulators on DC pollution flashover performance at high altitude, Power System Technology, 38, 10, pp. 2867-2874, (2014)
  • [7] ZHAO Lihua, XU Shurong, WANG Zhong, Water absorptivity of high-temperature vulcanized silicone rubber under atypical contaminants, High Voltage Engineering, 45, 7, pp. 2240-2248, (2019)
  • [8] LIAO Zhenghao, LI Pan, Research progress of micro nano bubble technology in cleaning field, Chemical Enterprise Management, 17, pp. 98-100, (2020)
  • [9] (2019)
  • [10] TU Junchao, ZHANG Liyan, Two-step parameter calibration for galvanometric laser scanners using binocular stereo vision, Chinese Journal of Scientific Instrument, 40, 1, pp. 236-247, (2019)
123