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    • 4. 发明授权
    • Descaling copper rods
    • 脱铜器
    • US3659830A
    • 1972-05-02
    • US3659830D
    • 1970-04-16
    • ANACONDA WIRE & CABLE CO
    • SNYDER CLERMONT JMOORE JACK P
    • B21B3/00B21B45/04B21B45/08C21D1/82C22F1/08C23G5/00C21D9/56
    • C21D1/82B21B45/04B21B45/08B21B2003/005C22F1/08C23G5/00
    • Scale is removed from a copper rod by continuously introducing the copper rod at a temperature below 1,000* F. into a descaling zone wherein the rod is exposed to a reducing atmosphere and is heated in such atmosphere to a temperature above 1,100* F. (preferably between 1,200* F. and 1,400* F.) to effect substantially complete reduction to metallic copper of the oxide scale. Immediately thereafter the rod is quenched in a liquid (preferably aqueous) coolant to a temperature below that at which any substantial reoxidation can occur before exposing the rod to an oxidizing environment. Apparatus for carrying out such descaling operation comprises a tubular descaling chamber through which the rod is passed, burners positioned to direct a reducing flame into the interior of the chamber, and a coolant vessel containing a liquid coolant in which the rod exit end of the descaling chamber is immersed.
    • 通过将铜棒在低于1000°F的温度下连续引入除锈区域中,将棒从铜棒上除去,其中棒暴露于还原气氛中并在这种气氛中加热至高于1100°F(优选 在1200°F和1400°F之间),以实质上完全还原成氧化皮的金属铜。 此后立即将棒在液体(优选水性)冷却剂中淬火至低于在将棒暴露于氧化环境之前可能发生任何显着再氧化的温度。 用于进行这种除垢操作的装置包括管状除垢室,棒通过该腔体,燃烧器定位成将还原火焰引导到腔室的内部,以及容纳液体冷却剂的冷却剂容器,其中除氧化皮的棒出口端 房间沉浸