Draft tube design based on a borescopic technique in conical spouted beds

Brito, Ronaldo Correia de; Tellabide, Mikel; Atxutegi, Aitor; Estiati, Idoia; Freire, José Teixeira; Olazar, Martı́n

doi:10.1016/j.apt.2021.10.004

Advanced Powder Technology

2021

DOI: 10.1016/j.apt.2021.10.004

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Draft tube design based on a borescopic technique in conical spouted beds

Ronaldo Correia de Brito

Mikel Tellabide

Aitor Atxutegi

et al.

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Cited by 7 publications

References 49 publications

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Minimum spouting velocity of fine particles in fountain confined conical spouted beds using machine learning and least square fitting approaches

Moradkhani,

Miroliaei,

Ghasemi

et al. 2024

Can J Chem Eng

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The present study concerns the development of new models to estimate the minimum spouting velocity (Ums) in various configurations of fountain‐confined conical spouted beds (FC‐CSBs) with fine particles. Existing literature correlations were found to be inaccurate for FC‐CSBs. Therefore, smart modelling techniques were employed to design more accurate predictive tools. The radial basis function (RBF) approach provided the best predictions for systems without draft tubes as well as those with open‐sided draft tubes. Additionally, the Gaussian process regression (GPR) approach yielded the best predictions for systems with nonporous draft tubes. The mean absolute percentage error (MAPE) values for the testing phase were 5.80%, 5.67%, and 5.59%, respectively. These models consider how bed shape and particle properties affect Ums. The sensitivity analysis was conducted to determine the factors with more importance in controlling Ums. Finally, simpler correlations were derived for Ums prediction in different FC‐CSB configurations, with accuracy around 12% error.

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Minimum spouting velocity of fine particles in fountain confined conical spouted beds using machine learning and least square fitting approaches

Moradkhani,

Miroliaei,

Ghasemi

et al. 2024

Can J Chem Eng

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Role of Porous and Non-Porous Draft Tube in Photocatalytic Degradation of Toluene in Spouted Bed Reactors

et al. 2022

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Spout diameter in fine particle conical spouted beds: Assessing the influence of draft tubes by PTV

Bolaños,

Sukunza,

Tellabide

et al. 2025

Chemical Engineering Journal Advances

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Draft tube design based on a borescopic technique in conical spouted beds

Cited by 7 publications

References 49 publications

Minimum spouting velocity of fine particles in fountain confined conical spouted beds using machine learning and least square fitting approaches

Minimum spouting velocity of fine particles in fountain confined conical spouted beds using machine learning and least square fitting approaches

Role of Porous and Non-Porous Draft Tube in Photocatalytic Degradation of Toluene in Spouted Bed Reactors

Spout diameter in fine particle conical spouted beds: Assessing the influence of draft tubes by PTV

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