Multifunctional centrifugal grinding unit

Sevostyanov, V. S.; Uralskij, V. I.; Uralskij, A. V.; Sinitsa, E. V.

doi:10.1088/1757-899x/327/4/042112

Cited by 2 publications

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“…also described by authors [3,17,[18][19][20]23,24] or factors dependence on material fine powder and nanocomposite processing referred by authors [5,6,7].Special chapter in the process of material processing is innovation processes and technical solutions of apparatus for processing metals of loose nature tending to air oxidation, especially alkaline earth metals [30,33,34]. The aim of this technical solution is to design a device facilitating the process of treating rare earth metals in a way that would prevent their air oxidation and thus facilitate their handling in the next technological process [14,15,25].…”

Section: Introductionmentioning

confidence: 99%

DESIGN OF NEW Grinding device for Homogenization of Mechanical Grinding METALLURGY Process

Slíva

2020

METAL 2020 Conference Proeedings

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The paper deals with an experience with innovation process of a technical solution of grinding device for homogenization of mechanical grinding metallurgy process. Milling equipment-ball mills and planetary ball mills are used for conventional mechanical material milling. Their principle is based on very fine milling of the material. As with other milling equipment, there is a milling effect by combining three factors: pressure, impact, and smearing. A major disadvantage of the previously used milling equipment is the fact that during the milling process, due to the pressure and impact of the grinding bodies, agglomerates and aggregates have been formed to a chamber wall and thus significantly reduce the efficiency of the milling process. The formation of aggregates and agglomerates is an adverse effect in the processing of fine particulate materials, respectively nanopowders.The main advantage of the invented design can be seen in the simplicity of the device, which results in the homogenization of the processed material and also in the multifunctionality of the device, whereby the device does not restrict the conditions under which the mechanical process has been used so far, i.e. it allows grinding to be done with or without adding a liquid inert phase.

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Section: Introductionmentioning

confidence: 99%

DESIGN OF NEW Grinding device for Homogenization of Mechanical Grinding METALLURGY Process

Slíva

2020

METAL 2020 Conference Proeedings

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Polishing effect on the physicochemical properties of porang flour using centrifugal grinder

Witoyo

Ni'maturohmah

Argo

et al. 2020

IOP Conf. Ser.: Earth Environ. Sci.

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Porang tubers are an agricultural product from one of the endemic plants in Southeast and East Asia, which found in the Indonesian forest and is a vital source of glucomannan. The simple processing of porang tubers is made into chips, ground using mechanical milling followed by air fractionation. However, porang flour from mechanical milling still has high impurities, such as calcium oxalate more than 2% and not safe for human consumption. The polishing process using a centrifugal grinder is needed to remove impurities that still attached to the glucomannan cells by the friction principle. The purpose of this study was to investigate the effect of the polishing cycle on physicochemical properties of porang flour. The experimental design used polishing historical data and process was conducted in two replication. The results showed the polishing cycle had a significant effect (p < 0.05) on the glucomannan content, viscosity, degree of whiteness, calcium oxalate content, starch content, protein content, and fat content. The best of polished porang flour was obtained on the 5 times of polishing cycle based on multiple attributes calculations.

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Multifunctional centrifugal grinding unit

Cited by 2 publications

References 0 publications

DESIGN OF NEW Grinding device for Homogenization of Mechanical Grinding METALLURGY Process

DESIGN OF NEW Grinding device for Homogenization of Mechanical Grinding METALLURGY Process

Polishing effect on the physicochemical properties of porang flour using centrifugal grinder

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