期刊
BRAZILIAN JOURNAL OF CHEMICAL ENGINEERING
卷 26, 期 3, 页码 575-582出版社
BRAZILIAN SOC CHEMICAL ENG
DOI: 10.1590/S0104-66322009000300013
关键词
Hydrocyclone; Filtration; Computational fluid dynamics
资金
- FAPEMIG
- CNPq
Filtering hydrocyclone is a device that was developed and patented by the Particulate System Research Group at the Federal University of Uberlandia. This equipment consists of a hydrocyclone whose conical section is replaced by a conical filtering wall. Thus, during the operation of these devices, besides the underflow and overflow streams, there is another stream of liquid, resulting from the filtrate produced in the porous cone. In the present work, the influence of some geometric variables of a filtering hydrocyclone was analyzed by an experimental and CFD study. The geometric variables analyzed were underflow orifice diameter (D-U) and vortex finder length (l). Data from a conventional hydrocyclone of the same configuration were also obtained. The results indicated that the performance of hydrocyclones is significantly influenced by the conical filtering wall. The incorporation of the filtering medium decreased the Euler numbers and increased the total efficiency of the hydrocyclones. Depending on the specific functions of the separator (as a classifier or concentrator) the best values of D-U and l were also found for the filtering hydrocyclone.
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