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The identification of coal and gangue and the prediction of the degree of coal metamorphism based on the EDXRD principle and the PSO-SVM model

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PL
Identyfikacja węgla i skały płonnej oraz prognozowanie stopnia metamorfizmu węgla w oparciu o zasadę EDXRD i model PSO-SVM
Języki publikacji
EN
Abstrakty
EN
In order to improve the utilization rate of coal resources, it is necessary to classify coal and gangue, but the classification of coal is particularly important. Nevertheless, the current coal and gangue sorting technology mainly focus on the identification of coal and gangue, and no in-depth research has been carried out on the identification of coal species. Accordingly, in order to preliminary screen coal types, this paper proposed a method to predict the coal metamorphic degree while identifying coal and gangue based on Energy Dispersive X-Ray Diffraction (EDXRD) principle with 1/3 coking coal, gas coal, and gangue from Huainan mine, China as the research object. Differences in the phase composition of 1/3 coking coal, gas coal, and gangue were analyzed by combining the EDXRD patterns with the Angle Dispersive X-Ray Diffraction (ADXRD) patterns. The calculation method for characterizing the metamorphism degree of coal by EDXRD patterns was investigated, and then a PSO-SVM model for the classification of coal and gangue and the prediction of coal metamorphism degree was developed. Based on the results, it is shown that by embedding the calculation method of coal metamorphism degree into the coal and gangue identification model, the PSO-SVM model can identify coal and gangue and also output the metamorphism degree of coal, which in turn achieves the purpose of preliminary screening of coal types. As such, the method provides a new way of thinking and theoretical reference for coal and gangue identification.
PL
W celu poprawy stopnia wykorzystania zasobów węgla konieczna jest klasyfikacja węgla i skały płonnej, ale to klasyfikacja węgla jest szczególnie ważna. Niemniej jednak obecna technologia separacji węgla i skały płonnej koncentruje się głównie na identyfikacji węgla i skały płonnej, ale nie przeprowadzono dogłębnych badań dotyczących identyfikacji gatunków węgla. W związku z tym, w celu wstępnego przesiewu rodzajów węgla, w niniejszym artykule zaproponowano metodę przewidywania stopnia metamorfizmu węgla przy identyfikacji węgla i skały płonnej w oparciu o zasadę dyfrakcji rentgenowskiej z dyspersją energii (EDXRD) z 1/3 węglem koksującym, węglem gazowym i skałą płonną z kopalni Huainan w Chinach jako obiektem badawczym. Różnice w składzie fazowym 1/3 węgla koksowego, węgla gazowego i skały płonnej analizowano przez połączenie wzorców EDXRD z wzorcami dyfrakcji rentgenowskiej z dyspersją kątową (ADXRD). Zbadano metodę obliczeniową charakteryzującą stopień metamorfizmu węgla za pomocą wzorców EDXRD, a następnie opracowano model PSO-SVM do klasyfikacji węgla i skały płonnej oraz przewidywania stopnia metamorfizmu węgla. Na podstawie uzyskanych wyników wykazano, że poprzez wbudowanie metody obliczania stopnia metamorfizmu węgla w model identyfikacji węgla i skały płonnej, model PSO-SVM może identyfikować węgiel i skałę płonną, a także wyprowadzać stopień metamorfizmu węgla, co z kolei spełnia cel wstępnego przesiewania rodzajów węgla. Jako taka, metoda ta zapewnia nowy sposób myślenia i teoretyczne odniesienie do identyfikacji węgla i skał płonnych.
Twórcy
autor
  • School of Mechanical Engineering, Anhui University of Science and Technology, China
autor
  • School of Mechanical Engineering, Anhui University of Science and Technology, China
autor
  • School of Mechanical Engineering, Anhui University of Science and Technology, China
autor
  • School of Mechanical Engineering, Anhui University of Science and Technology, China
autor
  • School of Mechanical Engineering, Anhui University of Science and Technology, China
autor
  • School of Mechanical Engineering, Anhui University of Science and Technology, China
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-40d8a4f0-7407-41d1-bd60-77a4bbfa6771
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