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For strict coal product specifications the Osborn Double Roll Crusher is preferred. It is important to understand the material characteristics, as the type of coal will often vary considerably. Hardness, rock content, friability and moisture content are the major factors that need to be identified, together with the crusher capacity, maximum lump size, required product size and the amount of,Double Roll Coal Crusher For Sale-Henan Mining,Coal Double Roll Crusher . Coal Double Roll Crusher Coal Double Roll Crusher Our pany has been devoted to mining machinery for 40 years With its ingenuity quality intimate service and good reputation it has aroused the backbone of Chinese manufacture and won the praise of the global users 1 ton per hour rock stone crushers for sale binq mining apr 04 2013double roll coal crusher for sale by coal crusher,Double Roll Crushers | McLanahan. 31/05/2018· Double Roll Crushers typically follow a primary or secondary crusher and are used for secondary and tertiary reduction of various minerals, such as ROM coal, clean coal, limestone, gypsum, trona, shale, bauxite, oil shale, coke, salt, lime, glass, kaolin, brick, shale and wet, sticky feeds.