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公开(公告)号:US5192359A
公开(公告)日:1993-03-09
申请号:US897228
申请日:1992-06-11
CPC分类号: C22B21/0069 , B03C1/253 , C22B7/005 , C22B7/04 , Y02P10/212
摘要: A method and apparatus for recovering metallic aluminum from furnace dross. The method includes reducing the particle size of the dross and passing the resulting dross particles over the surface of an inclined linear induction motor to separate the more conductive, aluminum-metal-containing particles from the less or non-conductive particles that contain little or no metallic aluminum. The linear induction motor provides an electromagnetic field that operates to levitate the conductive, aluminum-containing particles, while those particles that include little or no aluminum are not affected by the electromagnetic field. A flow splitter positioned at the lower end of the motor separates the conductive particles from the substantially non-conductive particles. Metallic aluminum recovery rates of about 55% and higher of the aluminum contained in the furnace dross have been achieved. The resulting product has been enriched by a factor of twelve times over that of the infeed material.
摘要翻译: 一种从炉渣回收金属铝的方法和装置。 该方法包括减少浮渣的粒度并将所得的渣滓粒子通过倾斜的线性感应电动机的表面,以将更多导电的含铝金属颗粒与较少或不导电的颗粒分离 金属铝。 线性感应电动机提供电磁场,其操作以悬浮导电的含铝颗粒,而包含很少或不含铝的那些颗粒不受电磁场的影响。 位于马达下端的分流分离器将导电颗粒与基本上不导电的颗粒分开。 已经实现了炉渣中含有的铝的约55%以上的金属铝回收率。 所得产品比进料材料富含十二倍。
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公开(公告)号:US5133505A
公开(公告)日:1992-07-28
申请号:US606634
申请日:1990-10-31
申请人: Gilbert F. Bourcier , Jack Lowdon
发明人: Gilbert F. Bourcier , Jack Lowdon
CPC分类号: B03C1/253 , B03B9/061 , Y02W30/521 , Y02W30/524 , Y02W30/526
摘要: A method and an apparatus for separating shredded particles, for instance particles of used beverage cans, into respective fractions that contain greater amounts of one of a plurality of alloys from which the cans have been made. The method includes screening the shredded material to provide particles having a desired particle size, and gravimetrically separating the screened particles into a plurality of groups based upon the mass of the particles. The heaviest bulk density group of particles is selected for further processing and is first preferably passed through a flattening device to flatten the particles, which are then conveyed through a varying magnetic field provided by a linear induction motor so that the particles containing higher concentrations of higher conductivity alloys can be further separated from particles of alloys having lower electrical conductivities. The highest conductivity fraction that results includes a high concentration of can body alloy, which can then be recycled as scrap material for further processing into can body alloy material. The other fraction of material, depleted of the can body alloy, can be more readily used in the manufacture of new can end material.
摘要翻译: 用于将切碎的颗粒(例如使用过的饮料罐的颗粒)分离成各自的馏分的方法和装置,其含有更多量的已经制成罐的多种合金中的一种。 该方法包括筛选切碎的材料以提供具有所需粒度的颗粒,并且基于颗粒的质量将筛选的颗粒重量分离成多个组。 选择最重的堆积密度组的颗粒进行进一步处理,并且首先优选地通过平坦化装置使颗粒平坦化,然后将颗粒平坦化,然后通过由线性感应电动机提供的变化的磁场传送,使得含有较高浓度的较高浓度的颗粒 电导率合金可以进一步与具有较低电导率的合金颗粒分离。 导致最高的电导率分数包括高浓度的罐体合金,然后可将其作为废料再循环,以进一步加工成罐体合金材料。 可以更容易地用于制造新罐头材料的罐体合金的其他部分材料。
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