添加剂对高碱煤灰渣流动特性及钠捕获效率的影响

周陈颖,周昊,邢裕健,张佳凯,周明熙

Effect of additives on flow characteristics and sodium capture efficiency of high alkali coal ash slag

Chen-ying ZHOU,Hao ZHOU,Yu-jian XING,Jia-kai ZHANG,Ming-xi ZHOU

表 4 含有不同添加剂的灰渣的XRF分析

Tab.4 XRF analysis of coal slag with different additives

% 灰渣成分 纯煤灰 w (SiO2) w (Fe2O3) 5% 10% 5% 10% Na2O 1.88 2.20 2.27 1.68 1.59 MgO 2.64 2.49 2.34 2.39 2.30 Al2O3 18.06 16.75 15.19 16.77 16.09 SiO2 37.90 42.71 44.15 34.32 33.28 P2O5 0.04 0.03 0.04 0.04 0.04 SO3 0.63 0.78 0.76 0.41 0.31 Cl 0.65 1.02 1.09 0.43 0.30 K2O 0.05 0.07 0.08 0.04 0.03 CaO 24.72 24.08 22.70 22.89 22.69 TiO2 0.85 0.85 0.77 0.80 0.78 Fe2O3 11.07 8.72 8.29 17.13 21.74