矿物质对焦炭强度的影响
Fuel & Chemical Processes(2007)
Abstract
选取9种金属氧化物按干煤量0.5%、1%、3%、5%添加到马钢配煤、芦岭煤、古交煤中炼成坩埚焦后,测定焦炭的显微强度、结构强度、焦炭反应性。结果表明:PbO、B2O3、V2O5使焦炭强度显著下降;SiO2、TiO2使焦炭强度略微下降;MnO2、Al2O3、CuO、ZnO对焦炭强度无明显影响。过渡金属对焦炭反应性起正催化作用,硼族元素对焦炭反应性起负催化作用。
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Key words
Mineral matter Coke strength Coke reactivity
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