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Research and application of fly ash in mine electric power plant
Author(s): LI Shu-rong, ZHANG Wei-dong, CHEN Ge, Jiang Xi-yin, CHEN Meng-bo
Pages: 26-
30
Year: 2005
Issue:
7
Journal: COAL SCIENCE AND TECHNOLOGY
Keyword: 粉煤灰; 飞灰的泥化; 激活方式; 防灭火;
Abstract: 坑口电厂排灰量高,灰质量低,利用率很低,煤矿只能自行消化.电厂原状飞灰与黄土有明显差别,原状飞灰替代黄土作防灭火及工程的浆料应具有的基本物理性质.常用的粉煤灰激活方式不适合坑口飞灰在煤矿井下防灭火等应用.PCAS(粉煤灰灰砂黏稠剂),使飞灰可在10 min内活化、水化、泥化.PCAS在徐州张集、兖矿东滩、济二等近30个煤矿应用得很好,解决了一些技术难题,取得了明显的社会与经济效益.
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