发明名称 |
PROCESS FOR RECYCLING OF STEEL INDUSTRY IRON-BEARING BY-PRODUCTS BY TREATING PELLETS IN DIRECT REDUCTION FURNACES |
摘要 |
The present invention relates to a process for the recycling of steel industry iron bearing by-products into a shape suitable for feeding into a direct reduction furnace, comprising the steps of mixing and grinding 50 to 99 wt % of ore and pellet fines and 1 to 50 wt % of slurry, mill scale and/or bag house dust, pelletizing the mixture and indurating the pellets so obtained by heating for 5-60 minutes at a temperature in the range of 1100-1350° C.; and a pellet produced from Iron bearing waste material and having compression strength of at least 2.8 kN and/or a drop number of at least 3. |
申请公布号 |
EP2035590(B2) |
申请公布日期 |
2017.03.08 |
申请号 |
EP20070725511 |
申请日期 |
2007.05.24 |
申请人 |
Saudi Basic Industries Corporation |
发明人 |
AHSAN, Syed, Niaz;AWAN, Fazar-ur-Rehman;AL-HAZEMI, Ali;AL-DULAIJAN, Fawzi |
分类号 |
C22B1/24 |
主分类号 |
C22B1/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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