The main reasons of ladle lining damage and the factors affecting extra-low ferrochromium production with Perrin Process are analysed,and the measures to prolong ladle life are put forward.

• 分析了热兑法微碳铬铁生产中，反应包衬损坏的主要原因及其影响因素，提出了延长反应包寿命的措施。