Effective of ZBS Additive on Coke Microstructure and Thermal Properties
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Abstract:
A series of experiments were carried out on the coke sprayed with ZBS of Anyang and Kunming Iron & Steel Co.,Ltd on the reaction electrical furnace.The microstructure of coke before and after spraying with ZBS were investigated with SEM and HY-4 Automatic microdensitometer.Coke reaction index and coke strength reaction were investigated according to the GB/T4000-1996.The results are as follows:Compared to original coke sample,the pore space become relatively little and small,and the coke hole rate is reduced.The ZBS carbide with brilliant white rib formed around the gap,existed in the coke reacted 2 hours,and it can improve CSR.ZBS can obviously improve coke thermal properties.The worse coke thermal properties are,the bigger the margin improved by ZBS are.
