发明名称 |
PROCESSO E APARELHO PARA REVESTIR PARTICULAS FERRIFERAS A SEREM PROCESSADAS EM UM PROCESSO DE REDUCAO DIRETA |
摘要 |
<p>At least a percentage of iron ore pellets and the like for use in a direct reduction process for the production of sponge iron are coated with a thin porous coating of Portland cement to counteract tendency to aggregate. This is accomplished by method and apparatus that mixes water and cement powder at the point of delivery in a manner such that no pumps are subjected to a wet cement slurry. The slurry is mixed and maintained in suspension by air agitation in a bin and then flowed through a bin discharge pipe and sprayed therefrom onto a passing layer of pellets in a controlled manner by regulated air injection into the discharge pipe. <IMAGE></p> |
申请公布号 |
BR9200086(A) |
申请公布日期 |
1992.10.06 |
申请号 |
BR19929200086 |
申请日期 |
1992.01.14 |
申请人 |
HYLSA, S.A. DE C.V. |
发明人 |
JORGE DOMINGO BERRUN-CASTANON;MARIA TERESE GUERRA-REYES;LEOPOLDO ISRAEL RUIZ-LEAL |
分类号 |
C21B13/10;C21B13/00;(IPC1-7):C22B1/14 |
主分类号 |
C21B13/10 |
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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