Preliminary study on foreign slime for the gravity separation of coarse coal particles in a teeter bed separator
| Autor: | Xiangning Bu, Jie Sha, Linhan Ge, Guangyuan Xie, Yaoli Peng, Chao Ni |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Clean coal
Chemistry business.industry Density separation Separator (oil production) 02 engineering and technology Mechanics Geotechnical Engineering and Engineering Geology 020501 mining & metallurgy Slip velocity 020401 chemical engineering 0205 materials engineering Settling Geochemistry and Petrology Coal Geotechnical engineering Fluidization 0204 chemical engineering business Gravity separation |
| Zdroj: | International Journal of Mineral Processing. 160:76-80 |
| ISSN: | 0301-7516 |
| Popis: | The teetered bed separator (TBS) is a gravity concentration device based on the principle of hindered settling velocity, which has been widely applied for the density separation of coarse coal particles. The influences of the teeter water velocity on the density separation of coarse coal particles were investigated based on the slip velocity model and the experimental results. The ash content of clean coal increased as the teeter water velocity decreased initially and increased afterwards according to the relationship between teeter water and minimum fluidization velocity. It was observed that the foreign slime had an effect on the separation of coarse particles, while the effect of the foreign slime was not as significant as that of the teeter water velocity. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Full Text from ScienceDirect