| 光谱学与光谱分析 |
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| Research on the Method of Copper Converting Process Determination Based on Emission Spectrum Analysis |
| LI Xian-xin1, LIU Wen-qing1*, ZHANG Yu-jun1, SI Fu-qi1, DOU Ke1, WANG Feng-ping1, HUANG Shu-hua1, FANG Wu1, WANG Wei-qiang2, HUANG Yong-feng3 |
1. Key Laboratory of Environmental Optics and Technology, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China
2. Hefei Gold Star M & E Technical Development Co. Ltd., Hefei 230088, China
3. Jinlong Copper Co. Ltd., Tongling, Tongling 244021, China |
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Abstract A method of copper converting process determination based on PbO/PbS emission spectrum analysis was described. According to the known emission spectrum of gas molecules, the existence of PbO and PbS was confirmed in the measured spectrum. Through the field experiment it was determined that the main emission spectrum of the slag stage was from PbS, and the main emission spectrum of the copper stage was from PbO. The relative changes in PbO/PbS emission spectrum provide the method of copper converting process determination. Through using the relative intensity in PbO/PbS emission spectrum the copper smelting process can be divided into two different stages, i.e. the slag stage (S phase) and the copper stage (B phase). In a complete copper smelting cycle, a receiving telescope of appropriate view angle aiming at the converter flame, after noise filtering on the PbO/PbS emission spectrum, the process determination agrees with the actual production. Both the theory and experiment prove that the method of copper converting process determination based on emission spectrum analysis is feasible.
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Received: 2011-11-04
Accepted: 2012-02-25
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Corresponding Authors:
LIU Wen-qing
E-mail: wqliu@aiofm.ac.cn
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