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Wyszukujesz frazę "ore characteristics" wg kryterium: Temat


Wyświetlanie 1-4 z 4
Tytuł:
Field monitoring and performance evaluation of crushing plant operation
Autorzy:
Yilmaz, E.
Powiązania:
https://bibliotekanauki.pl/articles/109889.pdf
Data publikacji:
2014
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
crushing
monitoring
equipment
ore characteristics
operator
performance
Opis:
Crushing plants are of great interest in reducing a particle size of rocks and ores as milling operations need to consider sustainable development. Since the crushing plants operate under harsh conditions and involve very abrasive material, multiple factors can influence their performance. This paper assesses a number of factors affecting the performance of the crushing plant by addressing the critical design parameters and consideration of ore characteristics, operability and maintainability. Due to the fact that ore properties remain the same during milling, its control may become difficult for yield and quality of a product. However, an operation factor can contribute positively to the performance if it is well managed by experienced operators. The present paper also considers the operational, instrumental, mechanical and maintenance aspects of crushing plant, focusing on the capacity and quality.
Źródło:
Physicochemical Problems of Mineral Processing; 2014, 50, 2; 615-630
1643-1049
2084-4735
Pojawia się w:
Physicochemical Problems of Mineral Processing
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Study on REE occurrence in a Svanbergite and basic ore characteristics
Autorzy:
Ma, Keyu
Zhang, Jie
Deng, Qiufeng
Men, Pengpeng
Zhang, Yusong
Shi, Xiulin
Powiązania:
https://bibliotekanauki.pl/articles/2146882.pdf
Data publikacji:
2022
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
svanbergite
rare earth elements (REEs)
occurrence state
crandallite
ore characteristics
Opis:
Svanbergite in Sichuan Province, China is a special middle-low grade phosphorus ore. It contains rare earth elements (REEs), aluminum, and strontium that can be exploited and utilized. In this study, several methods were used to systematically study the occurrence of REEs in the ore and basic ore characteristics. The ore, which was rich in REEs, Al, and Sr, was classified as marine sedimentary low-grade phosphorus ore. The main ore mineral was crandallite and pyrite, and independent REE minerals were not found. Crandallite was the main carrier mineral of useful elements, including P, REEs, Al, and Sr. REE+ was inferred to mainly exist in crandallite via isomorphism by replacing Ca2+ and H+. The crandallite was mainly characterized as fine-grained, and minerals were closely disseminated. The results from this study will provide a valuable reference for expanding available REE resources and the efficient comprehensive utilization of svanbergite.
Źródło:
Physicochemical Problems of Mineral Processing; 2022, 58, 3; art. no. 147377
1643-1049
2084-4735
Pojawia się w:
Physicochemical Problems of Mineral Processing
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modelling of iron ore processing in technological units based on the hybrid approach
Autorzy:
Morkun, Vladimir
Tron, Vitaliy
Zymohliad, Vadym
Powiązania:
https://bibliotekanauki.pl/articles/2106233.pdf
Data publikacji:
2022
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
iron ore
Rosin–Rammler
fuzzy model
separation characteristics
Opis:
The process line of concentrating iron ore materials is considered as a sequence of connected concentration units, some of which partially return ore materials to the previous unit. The output product of the final concentration unit in the process line is the end product of the whole line. Characteristics of ore, such as distribution of ore particles by size and distribution of iron content by size classes, are considered. Processing of iron ore materials by process units (a cycle, a scheme) is characterised by a separation characteristic – namely the function of extracting elementary fractions depending on physical properties of ore particles. The results of fraction analysis of ore samples in different points of the process line provide an experimental definition of separation characteristics and numerical values of the Rosin–Rammler equation factors. To identify dependencies that cannot be analytically described, the hybrid approach accompanied by the Takagi–Sugeno fuzzy models, in accompaniment with triangular membership functions determining fuzzy sets in preconditions, are used. To identify fuzzy sets in rule preconditions, triangular membership functions are used. Introduction of a-priori data on iron ore concentration as constraints for model parameters is a promising trend of further research, since it enables increased accuracy of identification despite limited availability of experimental data.
Źródło:
Acta Mechanica et Automatica; 2022, 16, 1; 82--90
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The determination of the characteristics of iron ore slurry under the conditions of ultrasonic control
Opredelenie kharacteristic zhelezorudnojj pul'py v uslovijakh ul'trazvykovogo kontrolja
Autorzy:
Porkuian, O.
Sotnikova, T.
Powiązania:
https://bibliotekanauki.pl/articles/792561.pdf
Data publikacji:
2013
Wydawca:
Komisja Motoryzacji i Energetyki Rolnictwa
Tematy:
iron ore slurry
magnetic permeability
ultrasonic control
theoretical investigation
physical characteristics
Źródło:
Teka Komisji Motoryzacji i Energetyki Rolnictwa; 2013, 13, 3
1641-7739
Pojawia się w:
Teka Komisji Motoryzacji i Energetyki Rolnictwa
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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