Manufacturing Technology 2020, 20(4):468-473 | DOI: 10.21062/mft.2020.062

Investigation of the Convection Drying Process in a Multistage Apparatus with a Differential Thermal Regime

Jan Krmela1,2, Nadiia Artyukhova3, Artem Artyukhov4
1 Faculty of Mechanical Engineering, J. E. Purkyně University in Ustí nad Labem. Pasteurova 3334/7, 400 01 Ustí nad Labem. Czech Republic
2 Faculty of Industrial Technologies in Púchov, Alexander Dubček University of Trenčín. Ivana Krasku 491/30, 02001 Púchov. Slovak Republic
3 Faculty of Technical Systems and Energy Efficient Technologies, Sumy State University. RymskogoKorsakova st.,2, 40007, Sumy. Ukraine
4 Faculty of Technical Systems and Energy Efficient Technologies, Sumy State University. RymskogoKorsakova st.,2, 40007, Sumy. Ukraine

This paper describes a search for an optimal organization of the drying agent motion in the convection dryers. An overview of the main methods on how to reduce the energy consumption for the convection drying of the disperse materials is presented. The use of the multistage shelf apparatuses with a differential thermal regime for the con-vection drying of the disperse materials is justified. The work contains the results of a computer modeling on de-termining the drying temperature and moisture characteristics with the use of various methods of the organization of the drying agent motion. The model is realized implementing the author?s software product Multistage Fluidiz-er?. The software product enables to automatize calculation simultaneously by several optimization criteria and to visualize calculation results in the form of 3D images. The engineering computation of sectioning devices meth-odology with fluidized bed of particles is based on the calculation results. The automated calculations results give a base to design industrial drying device with a differential thermal regime.

Keywords: Drying, Modeling, Multistage Shelf Devices, Optimization
Grants and funding:

The Cultural and Educational Grant Agency of the Slovak Republic (KEGA), project No. KEGA 002TnUAD-4/2019 and by the Ministry of Science and Education of Ukraine under the project „Technological bases of multistage convective drying in small-sized devices with utilization and heat recovery units“, project No. 0120U100476.

Received: May 1, 2020; Revised: August 16, 2020; Accepted: August 17, 2020; Prepublished online: November 23, 2020; Published: December 8, 2020  Show citation

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Krmela J, Artyukhova N, Artyukhov A. Investigation of the Convection Drying Process in a Multistage Apparatus with a Differential Thermal Regime. Manufacturing Technology. 2020;20(4):468-473. doi: 10.21062/mft.2020.062.
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