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1 前言新日铁名古屋厂开发了一项名为RH—PB的二次精炼工艺,除了真空脱气外,又增加了通过传统的RH—OB设备真空室下部氧气喷嘴喷粉脱硫和脱磷的功能。下面介绍RH—PB工艺的概况和操作结果。
1 Introduction The Nippon Steel Nagoya Plant has developed a secondary refining process called RH-PB which, in addition to vacuum degassing, adds dusting desulfurization and dephosphorization through the lower RH nozzle of the RH-OB equipment vacuum chamber Features. The following describes the RH-PB process overview and operation results.