发明名称 |
VERFAHREN ZUR WIEDERGEWINNUNG VON ZINK UND BLEI AUS EISEN- UND STAHLSTAUB |
摘要 |
<p>A method of recovering Zn and Pb from iron and steel dust wherein the interior of a rotary smelting furnace connected to the discharge side of a rotary kiln is heated by a burner disposed on the outlet side of the rotary smelting furnace; a heating gas is introduced into the rotary kiln to subject the iron and steel dust containing Zn and Pb which was fed in the rotary kiln to a preliminary reduction with the aid of a reducing agent and, if required, a flux so as to volatilize Zn and Pb; and the product of the rotary kiln is fed into the rotary smelting furnace with addition of a flux to melt the resultant mixture and further volatilize Zn and Pb entrained in the product.</p> |
申请公布号 |
DE3427631(A1) |
申请公布日期 |
1985.02.14 |
申请号 |
DE19843427631 |
申请日期 |
1984.07.26 |
申请人 |
SUMITOMO METAL MINING CO.LTD. |
发明人 |
YASUKAWA,MOTOHIRO;ISHIKAWA,YUKIO;OJIMA,YASUO;HARADA,HIROMI;MORI,YOSHIAKI |
分类号 |
C22B7/02;C22B13/02;C22B19/04;C22B19/30;(IPC1-7):C22B7/02 |
主分类号 |
C22B7/02 |
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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