Factors of Increasing the Performance of the Bulk Material Mixer of the Gravity Type

Капранова, А. Б.; Verloka, I. I.; Bakhaeva, D.D.; Tarshis, Michael

doi:10.1007/978-3-030-42351-3_30

Cited by 5 publications

(5 citation statements)

References 24 publications

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“…=w 1A1 φ ex 1j ≈ 0:94; φ ex 2j =φ ex 1j ≈ 1. The obtained analytical differential functions of the distribution of the number of particles according to the characteristic indicator of the random process under study according to the author's models [4,34] are used to preliminarily limit the limits of variation of the design and operating parameters [31], evaluate the quality of the mixture [4,38] and the performance of the device [39], and predict effective equipment operation modes [30]; the selection of rational ranges of parameter changes [2,33].…”

Section: Discussionmentioning

confidence: 99%

Methods of Nonequilibrium Statistical Mechanics in Models for Mixing Bulk Components

Капранова¹,

Bakhaeva²,

Stenko³

et al. 2020

Modeling and Simulation in Engineering - Selected Problems

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When describing the mechanics of the behavior of bulk materials during their mixing, a theoretical basis for the design of the specified equipment is formed. In recent years, the most well-known methods of modeling this process include the stochastic approach, in the framework of which models of the following types are actively developing: cell, managerial, with time series, energy, etc. Moreover, as a rule, predicting the quality of the finished mixture according to the selected criterion is achieved by using numerical calculation methods based on the generated cyber system. Of particular interest is the use of the energy method from the statistical mechanics of nonequilibrium processes due to the possibility of obtaining analytical simulation results. The paper describes the motion models of bulk components in rarefied flows, which are built on the basis of the energy method and take into account the main characteristics of the studied mixing process.

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Section: Discussionmentioning

confidence: 99%

Methods of Nonequilibrium Statistical Mechanics in Models for Mixing Bulk Components

Капранова¹,

Bakhaeva²,

Stenko³

et al. 2020

Modeling and Simulation in Engineering - Selected Problems

Self Cite

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“…In order to solve this problem, it is necessary not only to select equipment, but also to properly configure its operation. In order to assess the quality of mixers to be the most effective, three types of mixtures with different content of components were prepared [12][13][14][15]. Their composition is presented in table 1.…”

Section: Methodsmentioning

confidence: 99%

Development and research of centrifugal mixer for baby food

2021

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The study was carried out on two mixers of different designs: basic and developed. To evaluate and analyze the finished mixture, the method of high performance liquid chromatography was used. Taurine was used as a key component. The paper describes how the rational parameters of the mixer were selected, according to which recipes the mixture was prepared, and also how the final assessment of the effectiveness of the mixing equipment was carried out. The mixtures were prepared on the equipment according to three recipes. According to the first recipe, 81 experiments were carried out, with various parameters of the mixer operation, which helped to determine their rational value. For two different mixers, they turned out to be identical, so further mixing took place with the same parameters. Based on the data obtained, graphs of dependences were built, which clearly demonstrated the difference in the obtained values of the coefficient of heterogeneity. And they made it possible to judge the influence of each individual parameter. The developed mixer design showed a lower coefficient of heterogeneity in comparison with the base one. It did not exceed 10%, unlike the latter.

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“…The successful implementation of one of the promising stages in the processing of granular and/or powder materials, such as mixing these components in rarefied flows, is observed in impact-type devices. For example, the creation of these rarefied flows is ensured when the mixing elements operate in the form of radial brushes, beats with a helical winding in one [14] or two directions [13,[15][16][17], elastic blades [9,10] on a rotating drum. Thus, in the projected continuous-action rotary apparatus [9], as noted earlier, there is a division of the mixing process into two appropriate stages: (1) obtaining rarefied flows of granular and/or powder components by scattering their particles with elastic blades [10]; (2) impact mixing of components when interacting with the bump surface (Fig.…”

Section: Description Of the Relationship Between The Characteristic Parameters Of The Mixing Process Of Bulk Components At Its Two Stagesmentioning

confidence: 99%

“…The description of the theoretical basis of the specified forecasting is associated with the choice of the criterion for assessing the quality of the mixture of processed bulk components [14][15][16], which reflects the preference in the application of the stochastic approach to modeling this technological processing process [17,18].…”

Section: Introductionmentioning

confidence: 99%

Stochastic analysis of impact mixing of bulk materials in a rotary apparatus

et al. 2021

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The purpose of this work is to analyze the distribution of bulk materials according to the characteristic parameters of the mixing process at the second stage of processing in a rotary apparatus. The design of the rotary device has a wide range, including for the needs of agriculture, for example, when forming mixtures of mineral fertilizers and multifunctional pyrethroid drugs. At this mixing stage, impact interaction with the bump surface of rarefied flows of bulk components occurs, obtained by scattering the rotating drum by elastic blades at the previous stage of the technological chain. The obtained dependencies between the characteristic angle of dispersion of bulk materials by the specified mixing drum (at the first stage) and the angle of reflection of the corresponding flows from the baffle surface (at the second stage) are used in the stochastic analysis of impact mixing. Modeling of the differential functions of the distribution of the number of particles of mixed bulk components by the angle of reflection from the baffle surface is carried out taking into account the physical and mechanical characteristics of the working materials, design parameters, and operating parameters of the rotary apparatus. The calculation results made it possible to reveal the effective ranges of variation of the characteristic parameters for the shock mixing of bulk materials in a rotary apparatus.

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Factors of Increasing the Performance of the Bulk Material Mixer of the Gravity Type

Cited by 5 publications

References 24 publications

Methods of Nonequilibrium Statistical Mechanics in Models for Mixing Bulk Components

Methods of Nonequilibrium Statistical Mechanics in Models for Mixing Bulk Components

Development and research of centrifugal mixer for baby food

Stochastic analysis of impact mixing of bulk materials in a rotary apparatus

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