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Particle Size Characteristics of Pollution on Insulator Under Typical Dust Pollution Source and Its Influence
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Dongdong ZHANG1, 2, Xin LIU1, Chengshun YANG1, Xiaoning HUANG1, Zhijin ZHANG2, Jie CHEN3, Gang QIU3
Insulating Materials | 2022, 55(1) : 95 - 100
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Insulating Materials | 2022, 55(1): 95-100
• Test and Analysis •
Particle Size Characteristics of Pollution on Insulator Under Typical Dust Pollution Source and Its Influence
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Dongdong ZHANG1, 2, Xin LIU1, Chengshun YANG1, Xiaoning HUANG1, Zhijin ZHANG2, Jie CHEN3, Gang QIU3
Affiliations
  • 1Nanjing Institute of Technology, Nanjing 211167, China
  • 2State Key Laboratory of Transmission and Distribution Equipment and System Security and New Technology, Chongqing University, Chongqing 400044, China
  • 3State Grid Jiangsu Electric Power Co., Ltd., Electric Power Research Institute, Nanjing 211103, China
Published: 2022-01-20 doi: 10.16790/j.cnki.1009-9239.im.2022.01.015
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From the perspective of the particle size of pollution particles, the particle size characteristics of the insulator surface pollution under two typical dust pollution sources of nickel plants (metal) and chemical plants were tested and analyzed, and the influence mechanism of the pollution particle size on the pollution accumulation was studied by establishing a pollution particle deposition model. The results show that the average particle size of pollution particles on insulator surface in chemical plant area is only 6.67 μm, while the average particle size of pollution particles on insulator surface in nickel plant area attains 24.5 μm. The deposition rate is the largest when the particle size of pollution particles is 20‒30 μm, therefore the surface of insulator in nickel plant area is polluted seriously. The simulation results based on the pollution particle deposition model can confirm with the on-site pollution accumulation phenomena, which explains the influence of pollution particle size on the insulator pollution accumulation.

insulator  /  pollution accumulation  /  particle size  /  fluid mechanics
Dongdong ZHANG, Xin LIU, Chengshun YANG, Xiaoning HUANG, Zhijin ZHANG, Jie CHEN, Gang QIU. Particle Size Characteristics of Pollution on Insulator Under Typical Dust Pollution Source and Its Influence[J]. Insulating Materials, 2022 , 55 (1) : 95 -100 . DOI: 10.16790/j.cnki.1009-9239.im.2022.01.015
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Article Info
doi: 10.16790/j.cnki.1009-9239.im.2022.01.015
  • Receive Date：2021-03-11
  • Online Date：2025-12-23
  • Published：2022-01-20
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  • Received：2021-03-11
  • Revised：2021-04-20
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Affiliations
    1Nanjing Institute of Technology, Nanjing 211167, China
    2State Key Laboratory of Transmission and Distribution Equipment and System Security and New Technology, Chongqing University, Chongqing 400044, China
    3State Grid Jiangsu Electric Power Co., Ltd., Electric Power Research Institute, Nanjing 211103, China
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https://castjournals.cast.org.cn/joweb/jycl/EN/10.16790/j.cnki.1009-9239.im.2022.01.015
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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