1 000 MW超超临界双切圆燃烧锅炉结焦与高温腐蚀防控研究

刘胜利, 张海军, 程建, 钟毓秀, 徐俊, 江龙, 汪一, 苏胜, 胡松, 向军

Research on Slagging and High Temperature Corrosion Prevention and Control of a 1 000 MW Ultra Supercritical Double Tangentially Fired Boiler

Shengli LIU, Haijun ZHANG, Jian CHENG, Yuxiu ZHONG, Jun XU, Long JIANG, Yi WANG, Sheng SU, Song HU, Jun XIANG

表4 煤灰结焦倾向的判别界限

Tab. 4 Judgment limits of coal ash slagging tendency

指标 结焦倾向 轻微 中等 严重 酸碱比(B/A) <0.206 0.206~0.400 >0.400 硅比(G) >78.8 78.8~66.1 <66.1 硅铝比(X) <1.87 1.87~2.65 >2.65 铁钙比(Y) <0.3或>3.0 0.3~3.0 接近1.0 综合指数(R) <1.5 1.5~2.5 >2.5