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Study on fluidization and separation characteristics of multi density mineral particles based on CPFD |
Received:August 06, 2017 Revised:October 23, 2017 |
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DOI: |
KeyWord:CPFD; wind separation; multi density mineral particles; experimental study |
Author | Institution |
xiejunke |
四川理工学院 四川省矿山尾渣资源化利用工程实验室 四川 自贡 |
liyuru |
四川理工学院 四川省矿山尾渣资源化利用工程实验室 四川 自贡 西南交通大学 机械工程学院 四川 成都 |
liuzhongbin |
四川理工学院 四川省矿山尾渣资源化利用工程实验室 四川 自贡 |
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Abstract: |
Based on a fluidized dry beneficiation device, the separation of multi density minerals in a confined environment is realized. The model was used to simulate the gas-solid flow behavior inside a dry beneficiation device for Barracuda computing platform with computational particle fluid dynamics, and combined with the experimental verification, the study of multi density particle separation characteristics. The results showed that When the wind speed is 4.2m/s, when the opening is 4mm, distance170mm,the manganese concentrate grade and recovery are respectively 10.655% and 88.6%,when the opening is 3mm, distance 270mm,the manganese concentrate grade and recovery are respectively 48.3% and 80.9%.This research has reference significance to the wind dry beneficiation technology. |
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