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介绍在粗铜火法精炼中应用Ｎ_２进行生产的可能性，着重讲述金昌冶炼厂半工业性喷氮试验的经验与存在问题，并进一步阐述了继续试验的思路．
This paper introduces the possibility of producing N_2 in crude pyrolytic refining, emphatically describes the experience and existing problems of semi-industrial nitrogen injection test in Jinchang Smelter, and further elaborates the idea of continuing the experiment.