Abstract
用电化学线性极化电阻法研究了在载荷工况下，不同电力密度、氯离子浓度、碳酸氢根浓度、电导率对加热管310S不锈钢的腐蚀性能影响。从实验结果来看，水质对腐蚀的影响主要体现在加热和保温阶段。研究结果表明影响加热管使用寿命的环境影响因子由强到弱的排序为Cl− > HCO3(结垢因子) > 电力密度，电导率对加热管腐蚀影响轻微。 The electrochemical linear polarization resistance method was used to study the effects of different power density, chloride ion concentration, bicarbonate concentration and conductivity on the corrosion performance of heating tube 310S stainless steel under loading state. From the experimental results, the impact of water quality on corrosion is mainly reflected in the heating and insulation stage. The results show that the order of environmental impact factors affecting the service life of heating tube is as follows: Cl− > HCO3(scale factor) > power density (strong to weak), Conductivity has a slight effect on corrosion of the heating tube.
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