Optimization Issues of a Hammer Mill Working Process Using Statistical Modelling

Gigel Paraschiv, Georgiana Moiceanu, Gheorghe Voicu, Mihai Chitoiu, Petru Cardei, Mirela Nicoleta Dinca and Paula Tudor
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Gigel Paraschiv: Department of Biotechnical Systems, University POLITEHNICA of Bucharest, 060042 Bucharest, Romania
Georgiana Moiceanu: Department of Management and Entrepreneurship, University POLITEHNICA of Bucharest, 060042 Bucharest, Romania
Gheorghe Voicu: Department of Biotechnical Systems, University POLITEHNICA of Bucharest, 060042 Bucharest, Romania
Mihai Chitoiu: Department of Biotechnical Systems, University POLITEHNICA of Bucharest, 060042 Bucharest, Romania
Petru Cardei: The National Institute of Research—Development for Machines and Installations Designed for Agriculture and Food Industry—INMA Bucharest, 013813 Bucharest, Romania
Mirela Nicoleta Dinca: Department of Biotechnical Systems, University POLITEHNICA of Bucharest, 060042 Bucharest, Romania
Paula Tudor: Department of Management and Entrepreneurship, University POLITEHNICA of Bucharest, 060042 Bucharest, Romania

Sustainability, 2021, vol. 13, issue 2, 1-20

Abstract: Our paper presents the hammer mill working process optimization problem destined for milling energetic biomass ( Miscanthus Giganteus and Salix Viminalis ). For the study, functional and constructive parameters of the hammer mill were taken into consideration in order to reduce the specific energy consumption. The energy consumption dependency on the mill rotor spinning frequency and on the sieve orifices in use, as well as on the material feeding flow, in correlation with the vegetal biomass milling degree was the focus of the analysis. For obtaining this the hammer mill was successively equipped with 4 different types of hammers that grind the energetic biomass, which had a certain humidity content and an initial degree of reduction ratio of the material. In order to start the optimization process of hammer mill working process, 12 parameters were defined. The objective functions which minimize hammer mill energy consumption and maximize the milled material percentage with a certain specific granulation were established. The results obtained can serve as the basis for choosing the optimal working, constructive, and functional parameters of hammer mills in this field, and for a better design of future hammer mills.

Keywords: energetic crop biomass; size reduction; hammers mill; energy consumption; process optimization (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:gam:jsusta:v:13:y:2021:i:2:p:973-:d:482891

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