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铜渣火法强化贫化工艺研究

Study on the Strengthening Depletion of Copper from Copper Smelter Slag by Pyro-process

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【Author】 CHEN Hai-qing~1,LI Pei-xing~2,LIU Shui-geng~3,ZHANG Zheng-jian~4(1.Hunan Research Institute of Nonferrous Metals,Changsha 410015,China;2.Baiyin Nonferrous Metals Company,Baiyin 730900,China;3.Beijing General Research Institute of Nonferrous Metals,Beijing 100088,China;4.Beijing General Research Institute of Mining & Metallurgy,Beijing 100044,China)

【机构】湖南有色金属研究院；白银有色金属公司；北京有色金属研究总院；北京矿冶研究总院湖南长沙410015；甘肃白银730900；北京100088；北京100044；

【摘要】随着铜熔炼富氧浓度的提高,其熔炼渣含铜也随之提高。文章研究了还原-硫化-搅拌-提温的火法强化贫化铜渣新工艺,在贫化炉最优结构前提下,将贫化炉炉膛温度升至1 300℃,然后加入一定的黄铁矿和碎煤,采取鼓风搅拌以及澄清等措施,可使渣含铜由1.277%下降至0.466%。渣含铜基本达到了熔炼弃渣的水平。更多还原

【Abstract】 The strengthening depletion of Copper from Copper smelter slag by a new pyro-process was studied,which consists of reduction-sulfuration-stirring-heating.The content of Cu in Copper smelter slag can be reduced from 1.277% to 0.466% in the demand of smelter waste slag when a certain amount of Pyrite and coal was added,and the temperature of the dilution furnace hearth with its optimum structure was kept at 1 300 ℃,at the same time the slag was stirred and defecated with air blowing.更多还原

【关键词】铜渣；贫化；硫化；还原；
【Key words】 Copper smelter slag； depletion of Copper； sulfuration； reduction；

【文献出处】湖南有色金属 ,Hunan Nonferrous Metals , 编辑部邮箱 ,2006年03期

【分类号】TF811
【被引频次】50
【下载频次】427

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