火电厂循环泵叶轮材料Cr30A在脱硫浆液腐蚀环境中的交互损伤失效行为研究

余仁强,何建军,李微,任延杰,杨旺

Erosive Wear of Cr30A High Chromium Cast Iron in a Simulated Circulating Pump Operation Condition with Slurry Related to Wet DesulfurationProcess in Thermal Power Plant

Renqiang YU,Jianjun HE,Wei LI,Yanjie REN,Wang YANG

表1 腐蚀磨损过程中各因素引起的试样质量损失及其所占比例

Table 1 Mass losses induced by different factors in corrosion-wear process

Rotating speed / r·min-1 V / g·cm-2 VC / g·cm-2 VW / g·cm-2 ΔV / g·cm-2 (VC/V) / % (VW/V) / % (ΔV/V) / % 400 0.158 0.012 0.069 0.077 7.61 43.67 48.73 800 0.282 0.012 0.241 0.029 4.26 85.46 10.28 1200 0.536 0.012 0.551 -0.027 2.24 102 -5.04