Investigation of Breakage Behavior of Coal in a Laboratory-Scale Stirred Media Mill

Autor:	Y. Ucbas, S. Samanli, D. Cuhadaroglu, H. Ipek
Přispěvatelé:	Zonguldak Bülent Ecevit Üniversitesi
Rok vydání:	2010
Předmět:	Materials science Waste management Stirred media mill business.industry Mechanical Engineering General Chemical Engineering Metallurgy Energy Engineering and Power Technology Thermal power station Geotechnical Engineering and Engineering Geology Grinding Optimum grinding conditions Fuel Technology Breakage Grind Breakage behavior of coal Ball (bearing) Mill Coal business Material properties
Zdroj:	International Journal of Coal Preparation and Utilization. 30:20-31
ISSN:	1939-2702 1939-2699
DOI:	10.1080/19392691003776418
Popis:	Coal obtained from the Catalagzi thermal power station was prepared into a -2360 +1700µm mono size fraction and ground for different times in a laboratory-scale stirred media mill. The breakage behavior was investigated and an attempt was made to determine optimum grinding conditions. Three stirring rates (1440, 720, and 360rpm) and three ball sizes (6, 4, 2.36mm) were utilized in the grinding studies. It was determined that for effective grinding not only the mill's mechanical properties but also the material properties have to be taken into consideration in order to determine breakage functions more accurately. At longer grind times, oversize material mainly composed of shale, which is comparatively difficult to grind. As a result of this, breakage rate slows down and a deviation from first-order breakage behavior occurs in the grinding stage. Copyright © Taylor & Francis Group, LLC.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0c6baa0e30ef0766eb20fd7e2b66cef1 https://doi.org/10.1080/19392691003776418 Zobrazit plný text záznamu Plný text ve formátu PDF Plný text ve formátu HTML
Nepřihlášeným uživatelům se plný text nezobrazuje	K zobrazení výsledku je třeba se přihlásit.