...This pelletizing method was developed as a method for agglomerating fine ore obtained during ore-dressing, such as crushing and magnetic separation, in order to enrich magnetite with a low iron content (e.g., 30-40%). (b) Sintered ore Fine ore with a particle size range of 0.1-8 mm is mixed with moisture (5-6%) and fine coke (3-4%) and packed to a height of 30-50 cm on the grate of a sintering furnace (called a Dwight-Lloyd sintering machine, or DL sintering machine) that has a grate that moves like a caterpillar track. At the same time, the fine coke in the packed bed is ignited, and the air sucked downward keeps the coke burning continuously from the top to the bottom of the packed bed. ... *Some of the terminology that mentions "sintered ore" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…このペレタイジング法は,鉄含有量が低い(たとえば30~40%)磁鉄鉱を富化するため,粉砕,磁選などの選鉱を行うときに得られる微粒粉鉱石の塊成化法として開発された。(b)焼結鉱sintered ore 粒度範囲0.1~8mmの粉鉱石に水分(5~6%)と粉コークス(3~4%)を加えて混合し,無限軌道状に動く火格子をもつ焼結炉(ドワイト=ロイド焼結機,またはDL焼結機と呼ぶ)の火格子上に30~50cmの高さに充てんする。それと同時に,充てん層内の粉コークスに点火し,下方への吸引空気によって充てん層の上方から下部まで連続的に粉コークスの燃焼を継続させる。… ※「sintered ore」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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