Comparative Study on Softening-melting Properties Between V/Ti-bearing magnetite pellet and Common Pellet
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摘要: 在实验室模拟高炉条件下对全钒钛球团和四种普通球团的软熔性能指标进行测定,分析全钒钛球团与普通球团在软熔过程中产生的差异。研究结果表明:全钒钛球团软化、熔融、滴落温度较高,最大压差和特性值低;全钒钛球团软熔性能优于普通球团并且全钒钛球团具有较强的抗变形能力。全钒钛球团在高炉中的应用情况与实验室全钒钛球团软熔试验结果一致。Abstract: The softening-melting properties of the V/Ti-bearing magnetite pellet and four kinds of common pellets were researched through simulating the conditions of blast furnace in the laboratory,and the difference between V/Ti-bearing magnetite pellet and common pellet in the process of softening-melting was analyzed.The result of the experiment indicates that the softening,melting and dripping temperature of the V/Ti-bearing magnetite pellet are higher than that of common pellet,and the maximum pressure drop and characteristic value of the V-Ti magnetite concentrate pellet are lower than those of common pellet.The softening-melting properties of the V/Ti-bearing magnetite pellet are superior to the common pellets,and also the V/Ti-bearing magnetite pellet has stronger deformation resistance than common pellet.Finally,the service performance of the V/Ti-bearing magnetite pellet in blast furnace is consistent with the results of simulating experiment in the laboratory.
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