基于剂量-响应函数的电网金属材料大气腐蚀分布图绘制方法

Drawing Method of Atmospheric Corrosion Distribution Map of Metal Materials in Power Grid Based on Dose-response Functio

金属材料大气腐蚀是影响电网设备可靠运行和服役寿命的重要因素,有必要绘制精细化的金属大气腐蚀分布图以指导电网设备设计、制造及运维。首先,获取高精度网格化气象数据;构建腐蚀介质扩散模型,绘制腐蚀介质分布图;将气象数据与腐蚀介质数据代入金属腐蚀剂量-响应函数,得到金属大气腐蚀速率;最后进行腐蚀等级划分,绘制金属腐蚀等级分布图。所提方法的分布图绘制精度高,能够准确反应复杂环境条件对金属腐蚀的影响,为电网设备防腐设计和运维提供有效的数据支撑。

Atmospheric corrosion of metal materials is an important factor affecting the reliable operation and service life of power grid equipment.It is necessary to draw a refined metal atmospheric corrosion distribution map to guide the design,manufacture and operation and maintenance of power grid equipment.Firstly,obtain high-precision gridded meteorological data;build a corrosive medium diffusion model,and draw a corrosive medium distribution map.Secondly,substitute the meteorological data and corrosive medium data into the metal corrosion dose-response function to obtain the metal atmospheric corrosion rate.Finally,divide corrosion grades and draw metal corrosion grade distribution map.The distribution map of the proposed method has high precision,can accurately reflect the impact of complex environmental conditions on metal corrosion,and provide effective data support for the anti-corrosion design,operation and maintenance of power grid equipment.