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    • 2. 发明授权
    • Reduction apparatus, reduction apparatus manufacture method, and vacuum smelting reduction furnace using the same
    • 还原装置,还原装置制造方法和使用其的真空熔炼还原炉
    • US08142710B2
    • 2012-03-27
    • US12369632
    • 2009-02-11
    • Jiqiang ZhangKui Ming Wong
    • Jiqiang ZhangKui Ming Wong
    • C21C5/40
    • C22B5/16C22B9/04C22B19/14C22B19/16C22B19/18C22B26/22F27B5/04Y02P10/214Y02P10/226Y02P10/232
    • The invention discloses a reduction apparatus having a main body made of silicon carbide-based material and collectively formed by a top portion, a bottom portion, and a side portion, wherein the bottom portion includes a slanted plane, and the main body has an inlet and a metallic vapor exit provided near the top portion and an outlet provided near the lowest end of the slanted bottom portion; an inlet closure connected with the inlet; an outlet closure connected with the outlet; and a metal collector or a condenser connected with the metallic vapor exit. The invention solved problems found in conventional reduction retorts, including: small capacity, low metal output, inconvenience in charging reactant material and discharging spent residue, and heavy workload for workers. The invention also shortened the time for reduction reaction, increased production efficiency and output of the reduction furnace, and reduced production cost. The invention can be used in production of metal such as magnesium, strontium, zinc, and beryllium by vacuum smelting reduction process.
    • 本发明公开了一种还原装置,其具有由碳化硅类材料制成的主体,并且由顶部,底部和侧部共同形成,其中底部包括倾斜平面,并且主体具有入口 以及设置在顶部附近的金属蒸汽出口和设置在倾斜底部的最下端附近的出口; 与入口连接的入口封闭件; 与出口连接的出口封闭件; 以及与金属蒸气出口连接的金属收集器或冷凝器。 本发明解决了常规还原反应器中发现的问题,包括:容量小,金属产量低,反应物料装入不便,废渣排放困难,工人工作量大。 本发明还缩短了还原反应的时间,提高了还原炉的生产效率和产量,降低了生产成本。 本发明可以通过真空熔炼还原法生产镁,锶,锌,铍等金属。
    • 3. 发明授权
    • Method and apparatus for recovery and refining of zinc
    • ZINC的回收和精炼方法与装置
    • US3778044A
    • 1973-12-11
    • US3778044D
    • 1971-07-13
    • BROWN CTEMPLER M
    • BROWN CTEMPLER M
    • C22B19/04C22B19/16C22B19/36C22B19/14
    • C22B19/36C22B19/04C22B19/16Y02P10/232
    • A method and apparatus for recovering and refining zinc from scrap metals having a high zinc content. The scrap metals are melted in a conventional furnace and introduced in a molten state into the distillation zone of the apparatus of the invention. The apparatus comprises an atmospherically sealed vertical column having a distillation zone and a communicating superposed fractionation zone. Arranged within the vertical column is a plurality of vertically spaced horizontally staggered trays constructed of a suitable refractory material. Molten material is continuously introduced into the apparatus through a metal seal and flows downwardly in a circuitous path over the trays disposed in the distillation zone. The metal in each tray is heated to temperatures sufficient to vaporize zinc by means of precisely controllable radiant heating elements located immediately above and below each tray. The zinc vapors rise through the distilling zone in countercurrent with the descending molten metal, pass through the factionating column where various impurities are removed, and then are directed into a condenser wherein they are condensed to metallic zinc of high purity.
    • 一种用于从具有高锌含量的废金属中回收和精炼锌的方法和装置。 废金属在常规炉中熔化并以熔融状态引入本发明装置的蒸馏区。 该装置包括具有蒸馏区和连通的重叠分馏区的大气密封的垂直塔。 排列在垂直柱内的是由合适的耐火材料构成的多个垂直间隔开的水平交错的托盘。 熔融材料通过金属密封件连续地引入设备中,并且在设置在蒸馏区域中的托盘上的迂回路径中向下流动。 每个托盘中的金属被加热到足以通过位于每个托盘正上方和下方的精确可控的辐射加热元件来蒸发锌的温度。 锌蒸气与下降的熔融金属逆流通过蒸馏区,通过除去各种杂质的分馏塔,然后被引入冷凝器中,其中它们被冷凝成高纯度的金属锌。