転てん炉ろ

noun

converter (refining); rotary kiln

Technical term in metallurgy and industrial processing. Refers to a vessel used for converting raw materials, especially in steelmaking (e.g., basic oxygen furnace) or cement production.

• 製せい鉄てつ所じょでは転てん炉ろを使つかって銑せん鉄てつを鋼はがねに変かえる。

  At the steelworks, a converter is used to turn pig iron into steel.

• セメント工こう場じょうの転てん炉ろは高こう温おんで原げん料りょうを焼しょう成せいする。

  The rotary kiln at the cement plant fires the raw materials at high temperatures.