Sep 10 2007 · A pilotplant ball mill with a 001 m 3 chamber was used to perform wear tests comparing the original ball material and seven grades of high chromium cast irons grinding the same coal as used in the industrial plant Test pieces were 60mm balls with different chemical compositions and heat treatments
[email protected]Elements of Coal Grinding System Mill Feeding Consists of following activities Coal Crusher Generally require when ball mill is used for grinding and raw coal size is on higher side25mm Conveying to Hoppers Covered belt conveyors horizontal or inclined are most suitable and commonly used for conveying Metal Detector and Magnetic
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