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Wyszukujesz frazę "concentration coefficient" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Modeling the movement of broadcast on the concentration table
Autorzy:
Feliks, Jacek
Krawczyk, Magdalena
Powiązania:
https://bibliotekanauki.pl/articles/2064429.pdf
Data publikacji:
2019
Wydawca:
STE GROUP
Tematy:
concentration table
coefficient of friction
enrichment
tabela koncentracji
współczynnik tarcia
wzbogacanie
Opis:
The article attempts to analyze the work of the concentration table, on which the distribution of the material under investigation takes place. The efficiency of separation or otherwise enrichment depends on the drive that puts the concentration table plate into an asymmetrical reciprocating movement. The most frequently used solutions are concentration tables, on which the distribution of enriched material takes place in an aqueous medium commonly called wet enrichment. The AGH University of Science and Technology conducted simulation tests of material enrichment on a concentration table using the differences in friction coefficient commonly referred to as dry enrichment, i.e. without an additional medium. The article presents the effects of simulations that have been carried out for reference materials characterized by different friction coefficients and densities. The summary presents the analysis of obtained effects of computer simulations of material movement with different coefficients of friction. The simulations were carried out for variables: the frequency of vibrations of the concentration table and the angle of inclination of the table of the concentration table. It has been shown that it is possible to enrich the material by changing the above-mentioned operating parameters of the device.
Źródło:
New Trends in Production Engineering; 2019, 2, 1; 304--311
2545-2843
Pojawia się w:
New Trends in Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Methods of enlarging material to the concentration table
Autorzy:
Feliks, Jacek
Krawczyk, Magdalena
Powiązania:
https://bibliotekanauki.pl/articles/2064376.pdf
Data publikacji:
2019
Wydawca:
STE GROUP
Tematy:
concentration table
coefficient of friction
enrichment
tabela koncentracji
współczynnik tarcia
wzbogacanie
Opis:
Concentration tables are one of the oldest oscillatory enrichments with over 100 years of tradition. On this type of distribution tables are made according to material mass in many recurring cycles induced by appropriate drives. So-called wet tables are the devices most often used for coal enrichment in Polish mines because this process generates very high costs, high water consumption and pollution of the environment, as well as the need for, among others, water and mud management is increasingly being replaced mainly in areas poor in water by the modern model of the air concentration table - FGX produced in China. The process of enrichment on this type of table itself runs in a manner comparable to the method of wet enrichment with the difference that the FGX is distributed on a perforated plate, in this case we deal with air pollution. Department of Machinery Engineering and Transport's attempts to use the differences in coefficients of friction in over-resonance screens have shown that it is possible effective separation of grains with different coefficients of friction. The article presents a theoretical analysis and presents the results of performed dry enrichment trials using different coefficients of friction. The summary presents the advantages of using the enrichment method using the differences in friction coefficients and test results.
Źródło:
New Trends in Production Engineering; 2019, 2, 1; 59--68
2545-2843
Pojawia się w:
New Trends in Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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