| 浮选柱中液相轴向返混的研究 |
| |
| 引用本文： | 周鹍,曾爱武,高长宝,余国琮. 浮选柱中液相轴向返混的研究[J]. 中国化学工程学报, 2003, 11(4): 477-479 |
| |
| 作者姓名： | 周鹍 曾爱武 高长宝 余国琮 |
| |
| 作者单位： | StateKeyLaboratoryofChemicalEngineering,ChemicalEngineeringResearchCenter,TianjinUniversity,Tianjin300072,China |
| |
| 基金项目： | Supported by the National Natural Science Foundation of China (No. 29806012). |
| |
| 摘 要： | An experimental study on the axial dispersion of liquid was carried out in a 0.382-m-ID flotation column packed with different structured packings or free of packings. The correlations of axial Peclet numbers with the liquid and gas superficial Reynolds numbers were developed for various packings. Among the packings tested, it is found that in the column packed with 250Y or 350Y packings the axial dispersion is the lowest. The addition of frother can decrease the axial dispersion. By the simulation analysis of the one-dimension dispersion model of packed flotation column, it is found that small axial dispersion, high collection rate constant and low axial liquid velocity can increase the collection zone recovery.
|
| 关 键 词： | 浮选柱 液相 轴向返混 数值分析 矿物处理 |
| 修稿时间： | |
Study on the Axial Dispersion of Liquid in Column Flotation |
| |
| ZHOU Kun,ZENG AiWu,GAO Changbao,YU Guocong. Study on the Axial Dispersion of Liquid in Column Flotation[J]. Chinese Journal of Chemical Engineering, 2003, 11(4): 477-479 |
| |
| Authors: | ZHOU Kun ZENG AiWu GAO Changbao YU Guocong |
| |
| Affiliation: | State Key Laboratory of Chemical Engineering, Chemical Engineering Research Center, Tianjin University, Tianjin 300072, China;State Key Laboratory of Chemical Engineering, Chemical Engineering Research Center, Tianjin University, Tianjin 300072, China;State Key Laboratory of Chemical Engineering, Chemical Engineering Research Center, Tianjin University, Tianjin 300072, China;State Key Laboratory of Chemical Engineering, Chemical Engineering Research Center, Tianjin University, Tianjin 300072, China |
| |
| Abstract: | An experimental study on the axial dispersion of liquid was carried out in a 0.382-m-ID flotation column packed with different structured packings or free of packings. The correlations of axial Peclet numbers with the liquid and gas superficial Reynolds numbers were developed for various packings. Among the packings tested, it is found that in the column packed with 250Y or 350Y packings the axial dispersion is the lowest. The addition of frother can decrease the axial dispersion. By the simulation analysis of the one-dimension dispersion model of packed flotation column, it is found that small axial dispersion, high collection rate constant and low axial liquid velocity can increase the collection zone recovery. |
| |
| Keywords: | packed flotation column flotation column numerical analysis mineral processing |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《中国化学工程学报》浏览原始摘要信息 |
|
点击此处可从《中国化学工程学报》下载全文 |
|
