Analyzing the kinetics in the filtration drying of crushed cotton stalks

Authors

DOI:

https://doi.org/10.15587/1729-4061.2022.252352

Keywords:

cotton stalks, kinetics, filtration drying, relative humidity, pressure loss, stationary layer, fibrous particles

Abstract

The drying of crushed plant-derived materials, in particular crushed cotton stems, is a complex heat-exchange and technological task. Resolving this task successfully ultimately determines the specific energy costs of the drying process and the quality of the resulting products. The rational drying regime of crushed cotton stems should ensure the minimum possible process duration, energy costs, and provide the necessary quality characteristics of the dried material. To address this issue, it is necessary to investigate the influence of technological parameters of the process (the temperature and filtration rate of the heat agent), as well as the thickness of the stationary layer of crushed cotton stems, on drying kinetics.

This paper has generalized experimental studies into the kinetics of filtration drying of crushed cotton stems during the period of complete saturation of the thermal agent with moisture.

The influence of the temperature of the drying agent, the speed of its filtering through a stationary layer of different heights of wet crushed cotton stems, on the kinetics of filtration drying has been shown. The study's results demonstrate the dynamics of moisture removal at different parameters of the heat agent and the heights of the stationary layer of crushed cotton stems.

The resulting dependence  has been established, which is used to determine the value of the kinetic coefficient η for crushed cotton stems; the value of the kinetic coefficient has been calculated, a=20.74 1⁄m. The dependence  has been derived, using which makes it possible to generalize the kinetics of filtration drying of crushed cotton stems during the period of complete saturation of the heat agent with moisture within the limits of changing the moisture content of the veneer

The comparison of the experimental data with those obtained theoretically has shown that the maximum absolute value of relative error does not exceed 15.2 %.

Author Biographies

Zagira Kobeyeva, M. Auezov South Kazakhstan University

PhD Doctoral Student

Department of Technological Machines and Equipment

Alisher Khussanov, M. Auezov South Kazakhstan University

Сandidate of Technical Sciences, Associate Professor

Department of Technological Machines and Equipment

Volodymyr Atamanyuk, Lviv Polytechnic National University

Doctor of Technical Sciences, Professor

Department of Chemical Engineering

Zoriana Hnativ, Lviv Polytechnic National University

PhD, Associate Professor

Department of Chemical Engineering

Botagoz Kaldybayeva, M. Auezov South Kazakhstan University

PhD, Associate Professor

Department of Standardization and Certification

Dauren Janabayev, M. Auezov South Kazakhstan University

PhD

Department of Technological Machines and Equipment

Lesia Gnylianska, Lviv Polytechnic National University

PhD, Associate Professor

Department of Management and International Business

References

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Published

2022-02-25

How to Cite

Kobeyeva, Z., Khussanov, A., Atamanyuk, V., Hnativ, Z., Kaldybayeva, B., Janabayev, D. ., & Gnylianska, L. (2022). Analyzing the kinetics in the filtration drying of crushed cotton stalks. Eastern-European Journal of Enterprise Technologies, 1(8(115), 55–66. https://doi.org/10.15587/1729-4061.2022.252352

Issue

Vol. 1 No. 8(115) (2022): Energy-saving technologies and equipment

Section

Energy-saving technologies and equipment

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Copyright (c) 2022 Zagira Kobeyeva, Alisher Khussanov, Volodymyr Atamanyuk, Zoriana Hnativ, Botagoz Kaldybayeva, Dauren Janabayev, Lesia Gnylianska

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