Publisher： John Wiley & Sons Inc
E-ISSN： 1869-344x|86|6|644-650
ISSN： 1611-3683
Source： STEEL RESEARCH INTERNATIONAL, Vol.86, Iss.6, 2015-06, pp. : 644-650
Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.
Abstract
The densification process of MgO bearing pellets is investigated in the present work. The experimental results show that there is a densification phenomenon for oxidized pellets during induration process where the structure of product pellets becomes dense and the pore size and porosity of product pellets decreases gradually. MgO addition has a negative effect on the densification process of pellets. As the addition of MgO bearing additive is increased from 0 to 2.0%, the densification ratio of pellets decreases from 46.3 to 28.6%; the pore size increases gradually and porosity of product pellets increases from 18.61 to 24.06%. This study helps to understand and optimize the use of MgO in the whole blast furnace ironmaking process.
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