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| Reconstruction Design of Fluidized Bed Roaster of 200 kt/a Acid Making System from Pyrite |
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Received:January 16, 2014
Revised:January 21, 2014
Accepted:January 22, 2014
Published Online:July 21, 2014
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| DOI：doi：10.3969/j.issn.1007-7545.2014.08.017 |
| KeyWord:sulfuric acid; fluidization furnace; reconstruction |
| Author | Institution |
| YANG Hong-zhong |
招远市招金贵合科技有限公司 |
| DU Xiu-pu |
招远市招金贵合科技有限公司 |
| XU Xue-jia |
招远市招金贵合科技有限公司 |
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| Abstract: |
| Reconstruction design of fluidized bed roaster of 200 kt/a acid making system from pyrite was introduced. The transformations of slag discharge hole, fluidized bed areas, air distribution system, and feeding method were elaborated. The results show that a series problems are addressed after reconstruction including big fluctuation of fluidized bed’s temperature and pressure of furnace bottom, high sulfur content in slag, and severe operating environment. |
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