Skip to Main content Skip to Navigation
Journal articles

Modeling and simulation of drying operations in PVC powder production line: Experimental and theoretical study of drying kinetics on particle scale

Abstract : An experimental method to determine drying kinetic at a particle scale and a pneumatic dryer model are presented. The particle scale kinetics were obtained by immersion of a fixed mass of wet PVC particles (cake) in a batch dense fluidized bed containing inert hot particles (glass bead). It appears clearly that the PVC drying is controlled by a competition between internal and external transfers. The drying kinetic was described by a shrinking core type model and integrated in a one-dimensional steady-state model simulating a pneumatic dryer. A two-phase continuum model was used to describe the steady-state flow of a diluted dispersed phase (wet PVC powder) and a continuous phase (humid air) through dryer. Themodel takes into account the convective heat,mass and momentumtransfers. The numerical results are compared with industrial experimental data. The results show that the inlet temperature is the most important parameter in the operation.
Document type :
Journal articles
Complete list of metadatas

Cited literature [29 references]  Display  Hide  Download

https://hal.archives-ouvertes.fr/hal-01068120
Contributor : Open Archive Toulouse Archive Ouverte (oatao) <>
Submitted on : Thursday, September 25, 2014 - 9:20:46 AM
Last modification on : Friday, January 10, 2020 - 9:08:44 PM
Long-term archiving on: : Friday, April 14, 2017 - 3:42:15 PM

File

Aubin_9723.pdf
Files produced by the author(s)

Identifiers

Collections

Citation

Antoine Aubin, Renaud Ansart, Mehrdji Hemati, Thierry Lasuye, Marc Branly. Modeling and simulation of drying operations in PVC powder production line: Experimental and theoretical study of drying kinetics on particle scale. Powder Technology, Elsevier, 2014, vol. 255, pp. 120-133. ⟨10.1016/j.powtec.2013.08.019⟩. ⟨hal-01068120⟩

Share

Metrics

Record views

260

Files downloads

1342