| 摘要 |
PURPOSE:To utilize the sensible heat of a finish-rolled steel bar or wire rod and to considerably save energy by carrying out quenching and tempering between finish rolling and ring forming stages. CONSTITUTION:Four rapid cooling units 22 and a rapid heating unit 24 are arranged between a finish rolling mill 2 and a coiler 10. A wire rod 4 finish- rolled with the finish rolling mill 2 is quenched with the rapid cooling units 22 and tempered with the rapid heating unit 24. A reformer 20 is placed just behind the coiler 10 so as to avoid conventional conveyance in the form of a ring. |
