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 3 不同添加剂下准东煤灰样的灰熔点测试

Tab.3 Ash fusion test of Zhundong coal ash samples with different additives

°C 样品 θD θS θH θF 纯煤灰 1 174 1 258 1 263 1 267 w (SiO2)=5% 1 170 1 179 1 185 1 196 w (SiO2)=10% 1 165 1 176 1 180 1 182 w (SiO2)=20% 1 164 1 169 1 173 1 178 w (Fe2O3)=5% 1 167 1 193 1 205 1 222 w (Fe2O3)=10% 1 154 1 186 1 198 1 211 w (Fe2O3)=20% 1 146 1 170 1 175 1 178