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| Study on Factors Influencing Residence Time of Lithium Particles in Gas-Solid Fluidized Bed |
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Received:October 24, 2019
Revised:November 14, 2019
Accepted:November 15, 2019
Published Online:March 17, 2020
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| DOI：doi：10.3969/j.issn.1007-7545.2020.04.014 |
| KeyWord:lithium refined slag; gas-solid fluidized bed; CPFD; residence time; particle concentration |
| Author | Institution |
| Wen Peizhong |
1.中核建中核燃料元件有限公司 四川省 宜宾市 2.四川轻化工大学 机械工程学院 四川省 宜宾市 |
| Liu Zhongbin |
2.四川轻化工大学 机械工程学院 四川省 宜宾市 |
| Xie Junke |
2.四川轻化工大学 机械工程学院 四川省 宜宾市 |
| WANG Huan |
四川轻化工大学 机械工程学院 四川省 宜宾市 |
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| Abstract: |
| In order to improve combustion efficiency of particles of lithium refined slag and prolong residence time of particles in fluidized bed, influence of gas velocity, mass flow and pressure on residence time of particles in fluidized bed were studied based on CPFD theory. Distribution of high solid content of particles in axial direction of lift pipe of fluidized bed was analyzed. The results show that residence time of particles can be prolonged by raising gas velocity under constant mass flow or reducing mass flow at the same gas velocity. Inlet pressure has little effect on residence time of particles. Gas velocity can significantly prolong residence time of particles in dense phase zone. |
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