生物质飞灰粒度与浓度对电站锅炉协同腐蚀损伤特性研究

吴健, 姚锡文, 许开立, 许克强

Influence of Particle Size and Deposit Amount of Biomass Fly Ash on Corrosion Damage of Boiler Tube Steel for Biomass Power Stations

WU Jian, YAO Xiwen, XU Kaili, XU Keqiang

表2 粒度结合涂灰量的腐蚀增重量拟合关联式

Table 2 Correlation equation for corrosion mass gain for particle size combined with ash concentration accumulation

Particle size / μm Quantity of grey applied / mg·cm-2 Fitting associative equation (y = axb ) a R2 Unplastered Unplastered y = 1.4284x0.6941 1.4284 0.9842 < 30 10 y = 1.3115x0.7419 1.3115 0.9967 < 30 20 y = 1.4559x0.7341 1.4559 0.9955 < 30 30 y = 1.1640x0.7254 1.1640 0.9842 30-75 10 y = 1.3417x0.7443 1.3417 0.9927 30-75 20 y = 1.6417x0.6977 1.6417 0.9934 30-75 30 y = 1.2486x0.6975 1.2486 0.9883 75-100 10 y = 1.3757x0.7552 1.3757 0.9891 75-100 20 y = 1.5777x0.6853 1.5777 0.9897 75-100 30 y = 1.4735x0.6340 1.4735 0.9820