Design and development of induction heating based pulsed spray dryer for alkali metal chloride salts: interrogation through CFD approach

Nimbalkar, U. D.; Gaval, V.; Mandal, D.; Dabhade, P. A.

doi:10.1007/s43153-023-00366-3

Cited by 2 publications

(1 citation statement)

References 23 publications

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“…Spray drying is a versatile and efficient process whose application can be found in different fields like food, ceramic, and other industries [1][2][3][4][5][6][7][8][9][10]. Caused of these applications, different research has been performed to clarify several aspects of this process [11][12][13][14][15][16][17][18][19][20][21]. Caused of the considerable energy consumption by the spray dryers [22][23][24], decreasing their energy usage by different approaches like heat recovery has been the subject of several works [25][26][27].…”

Section: Introductionmentioning

confidence: 99%

Employing the H-type finned heat exchangers with the circular tube for energy-saving purposes of the spray dryers

Moghaddam,

Javaherdeh

2024

Preprint

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In this paper, two heat exchangers along with 50% recirculation of exhaust air are used to recover the exhaust heat from the spray dryers and use them to preheat the atomizing and drying air. The H-type finned heat exchangers with circular holes are used here. All of the results are extracted by two different approaches, including standard k-ε and SST k-ω models. First, the influence of different parameters on the performance of the first and second heat exchangers is evaluated. It is shown that the Nusselt number increases by increasing the Reynolds number. While the friction factor of both heat exchangers decreases. Then, the influence of adding heat exchangers on the energy consumption of the factory and spray dryer is estimated. It is shown that the suggested system can be effectively used to 23.52% decrease the energy consumption of the spray dryer.

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