Effect of High-Sintering-Temperature Reduction Behavior on Coke Solution Loss Reaction with Different Thermal Properties

With the shortage of high-quality coking coal resources and pursuit low-cost smelting, types sources have changed. Therefore, it is difficult to establish an effective correlation between existing evaluation indexes coke thermal performance production blast furnace. The dissolution deterioration directly affects benefits furnace, furnace result ore–coke coupling. To better understand mechanism coupling reaction relative properties coke, this paper experimentally studies two kinds one kind standing sinter which different reactivities but are used in practical applications. This method adopts a matched thermogravimetric device. By analyzing calculating high-temperature reduction behavior characteristics loss gas–solid test sinter, comparing fitting factors was revealed that real degradation affected by sinter. results show temperature range with best matching degree oxygen supply from gasification consumption at position where factor closest 1. In low-reactivity strongest rate, RCSL, approximately 1200 °C, while high-reactivity RCSL 1100 °C. minimum strength, CSCSL, high-active after low-active It shown there good linear relationship high- low-reactive strength CSCSL.