Kardo method - Karudoho

Japanese: カルド法 - かるどほう
Kardo method - Karudoho

...Although it became widely used in Europe, in Japan it was only tested and never put into actual operation.
[Kaldo process]
A method of producing high-quality steel with low phosphorus and nitrogen content by using high-phosphorus pig iron. The LD converter is tilted, and a water-cooled oxygen lance is inserted into the furnace at a position close to the side blowing, just a little below the throat, and the furnace body is rotated circumferentially at about 5 to 30 times per minute while oxygen is blown into the furnace for refining.

*Some of the terminology that refers to the "Kald Law" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…ヨーロッパでは広く普及したが,日本では試験が行われただけで実操業には至らなかった。
[カルド法Kaldo process]
 高リン銑を使用して,リンおよび窒素含有量の低い優良鋼をつくる方法。LD転炉を傾斜させ,横吹きに近い位置で水冷酸素ランスを炉口より少し入った程度に炉内に挿入し,酸素を吹きつけながら炉体を円周方向に毎分5~30回程度回転させて精錬する。…

※「カルド法」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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