Computational analisys of slurry drying through filtration using CFD- DEM coupled methods

Resumo

Computational analysis is performed with the objective to virtually represent objects and equipment’s
real physical behavior. With simulation is possible to make geometrical and numerical modifications reaching the
most efficient operational parameters of the equipment before its fabrication. A CFD-DEM coupled in one-way
analysis join two distinct methods of calculation in a single solver, evaluating the iterations between fluid and
particles. This article uses the CFD-DEM coupled analysis studying a filtration equipment that transport slurry
(fluid + particles) to different exits. A rotational valve restraining the main exit, creates a raising pressure location
forcing the slurry to go through a porosity region, with the objective to reduce the number of particles in the
exiting water. It was possible to notice the behavior expected, as the influence of fluid in particles motion and the
possibility to visualize the slurry flow to the exits, showing the regions where the slurry flow has preference to go
through. Good visual results are demonstrated, indicating where the porosity media needs to be cleaned with more
frequency avoiding clog.