TY - JOUR
T1 - Static and dynamic characteristics of rotary kiln reactor during processing of biomass and municipal solid waste
AU - Lasek, Janusz
AU - Głód, Krzysztof
AU - Słowik, Krzysztof
AU - Cygan, Adam
AU - Li, Yueh Heng
N1 - Funding Information:
This research was investigated under the Polish-Taiwanese/Taiwanese-Polish Joint Research Project entitled “Towards the enhancement of an application of municipal solid waste (MSW) in energy sector.” The authors gratefully acknowledge the Ministry of Science and Technology (Taiwan), agreement No. MOST 106-2923-E-006-003-MY3 and the National Centre for Research and Development (Poland), agreement No. PL-TW IV/4/2017 .
Publisher Copyright:
© 2022
PY - 2022/5
Y1 - 2022/5
N2 - The behavior of five types of material (wood pellets, agro pellets, over-sieve fraction (OSF), willow chips and alder chips) in rotary kiln reactor was tested. Basing on the obtained experimental results, the empirical mathematical models were validated to predict mean residence time (MRT). The best fitted correlation generated mean absolute error at level of MAE = 9.4%. Regarding dynamic characteristics, the simplified approach of “first-order + dead time” was successfully applied to model the dynamic characteristic of rotary kiln reactor in terms of solid phase mass flow rate. The characteristic parameters of dynamic model, i.e. τ, min and Θd, min, were determined for every case. Time constant, τ, was in the range of 5.8–34.3 min, whereas dead time, Θd, was in the range of 0.001–73.2 min. Finally, a simplified model to estimate the time (i.e. 3 × τ + Θd) necessary to obtain steady-state conditions in terms of mass flow rate in rotary kiln reactors was proposed.
AB - The behavior of five types of material (wood pellets, agro pellets, over-sieve fraction (OSF), willow chips and alder chips) in rotary kiln reactor was tested. Basing on the obtained experimental results, the empirical mathematical models were validated to predict mean residence time (MRT). The best fitted correlation generated mean absolute error at level of MAE = 9.4%. Regarding dynamic characteristics, the simplified approach of “first-order + dead time” was successfully applied to model the dynamic characteristic of rotary kiln reactor in terms of solid phase mass flow rate. The characteristic parameters of dynamic model, i.e. τ, min and Θd, min, were determined for every case. Time constant, τ, was in the range of 5.8–34.3 min, whereas dead time, Θd, was in the range of 0.001–73.2 min. Finally, a simplified model to estimate the time (i.e. 3 × τ + Θd) necessary to obtain steady-state conditions in terms of mass flow rate in rotary kiln reactors was proposed.
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U2 - 10.1016/j.powtec.2022.117476
DO - 10.1016/j.powtec.2022.117476
M3 - Article
AN - SCOPUS:85129975034
SN - 0032-5910
VL - 404
JO - Powder Technology
JF - Powder Technology
M1 - 117476
ER -