发明名称 |
processo e planta para a produção de produtos de calcinação |
摘要 |
A process for producing calcine products includes dead roasting a metal sulfide concentrate having a low sulfur content. The concentrate is roasted in a circulating fluidized bed at a temperature of about 950 to 1050° C. A waste gas of the fluidized bed is passed through at least one of a recuperator and a Venturi drier so as to respectively provide at least one of a preheating of at least a portion of air fluidizing the fluidized bed and a drying of at least a portion of the concentrate to be roasted. The calcine product obtained in the fluidized bed with a sulfur content of less than 1 wt-% is provided for further processing. |
申请公布号 |
BRPI0915842(A2) |
申请公布日期 |
2015.11.03 |
申请号 |
BR2009PI15842 |
申请日期 |
2009.07.10 |
申请人 |
OUTOTEC OYJ |
发明人 |
BERND KERSTIENS;JÖRG HAMMERSCHMIDT;PETER STURM |
分类号 |
C22B1/10;C22B11/12 |
主分类号 |
C22B1/10 |
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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