…These are called autogenous grinding mills. Autogenous grinding mills include aerofoil mills and cascade mills. All of these autogenous grinding mills have a larger diameter/length ratio than ordinary ball mills, and lifter bars are attached to the inner wall so that the ore blocks, which are the grinding medium, can be lifted high as the mill rotates, resulting in a strong impact force. … From [Crusher]…The raw material particles used as the grinding media generally have a smaller specific gravity than steel balls, so it is common to use lumps larger than the balls. However, it is still difficult to obtain sufficient grinding power, so various special mills have been developed specifically for autogenous grinding. Aerofall mills, Cascade mills, and Rockcyl mills are representative examples. All of these mills have a shorter body and longer diameter than ordinary ball mills, and are designed to lift the grinding media particles higher and increase the impact force when they fall. … *Some of the terminology explanations that mention "Aeroform Mill" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…これらを自生粉砕ミルと呼ぶ。自生粉砕ミルには,エーロフォールミル,カスケードミルなどがある。これらの自生粉砕ミルはいずれも普通のボールミルに比べると直径/長さ比が大きく,内壁には粉砕媒体である鉱石塊をミルの回転にともなって高く持ち上げることにより強い衝撃力が得られるよう,リフターバーが取り付けられている。… 【粉砕機】より…粉砕媒体としての原料粒子は鉄鋼ボールに比べて概して比重が小さいため,ボールよりも大きめの塊を用いるのが普通であるが,それでも十分な粉砕力が得られがたいため,種々の自生粉砕専用の特殊ミルが開発されている。エーロフォールミルAerofall mill,カスケードミルCascade mill,ロックシルミルRockcyl millなどはその代表的なものである。これらのミルはいずれも一般のボールミルに比べて短胴・長径の外形をしており,また粉砕媒体粒子を高く持ち上げ,落下時の衝撃力を高めるためのくふうがなされている。… ※「エーロフォールミル」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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