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    • 2. 发明申请
    • Method for Producing Ti or Ti Alloy, and Pulling Electrolysis Method Applicable Thereto
    • 生产Ti或Ti合金的方法,以及拉拔电解方法
    • US20090101517A1
    • 2009-04-23
    • US11887511
    • 2006-03-16
    • Kazuo TakemuraTadashi OgasawaraMakoto YamaguchiMasahiko Hori
    • Kazuo TakemuraTadashi OgasawaraMakoto YamaguchiMasahiko Hori
    • C25C1/24C25C1/06
    • C25C3/28C22B5/04C22B34/1268C22B34/129C25C3/02C25C3/26C25C5/04C25C7/00
    • In producing Ti or a Ti alloy through reduction by Ca, an electrolytic-bath salt taken out from a reduction process is electrolyzed to recover Ca and the electrolytic-bath salt as a solid substance, and the recovered Ca and electrolytic-bath salt are delivered to the reduction process. Therefore, heat generation is suppressed in the reduction process by utilizing latent heat of fusion possessed by the solid substance, thereby largely improving production efficiency and thermal efficiency. Additionally, a reaction temperature is easily controlled, and a raw-material loading rate can be enhanced to efficiently produce Ti or the Ti alloy. At this point, using a pulling electrolysis method of the invention, the solid-state Ca and electrolytic-bath salt can be obtained at a low voltage and high current efficiency, i.e., with the relatively small power consumption. When the solid-state Ca and electrolytic-bath salt is used as a Ca source in producing Ti or the Ti alloy through reduction by Ca, the Ti or Ti alloy can efficiently be produced.
    • 在通过Ca还原生产Ti或Ti合金时,从还原过程中取出的电解浴盐被电解以回收Ca和作为固体物质的电解浴盐,并且回收的Ca和电解浴盐被输送 到减少过程。 因此,通过利用固体物质所具有的熔解潜热,在还原过程中抑制发热,从而大大提高生产效率和热效率。 另外,可以容易地控制反应温度,并且可以提高原料负载率,以有效地生产Ti或Ti合金。 此时,使用本发明的拉电解法,可以以低电压和高电流效率即功耗相对较小获得固态Ca和电解浴盐。 当使用固态Ca和电解浴盐作为通过Ca还原生产Ti或Ti合金的Ca源时,可以有效地制备Ti或Ti合金。
    • 5. 发明申请
    • Method for producing ti or ti alloy through reduction by ca
    • 通过还原制备钛或钛合金的方法
    • US20070187255A1
    • 2007-08-16
    • US10589879
    • 2005-02-16
    • Tadashi OgasawaraMakoto YamaguchiMasahiko HoriToru UenishiKatsunori Dakeshita
    • Tadashi OgasawaraMakoto YamaguchiMasahiko HoriToru UenishiKatsunori Dakeshita
    • C25C3/28
    • C22B34/1272C22B34/129C25C5/04
    • The invention is a method for producing Ti or Ti alloys through reduction of TiCl4 by Ca, which can produce high-purity Ti metals or Ti alloys. A molten salt containing CaCl2 and having Ca dissolved therein is held in a reactor cell, electrolysis is performed in the molten salt in the reactor cell, and particulate Ti or Ti alloys are generated in the molten salt by supplying a metallic chloride containing TiCl4 to the molten salt so as to react with Ca generated on a cathode electrode side by the electrolysis, allowing enhancement of a feed rate of TiCl4 as a raw material of Ti, and also a continuous operation. Further, the method by the invention eliminates the need of the separate handling of Ca, because a reducing reaction and an electrolytic reaction can simultaneously proceed in the reactor cell to replenish Ca, consumed in the reducing reaction, by the electrolytic reaction. Accordingly, the production method by the invention can be used as means for efficiently and economically producing high-purity Ti metals or Ti alloys.
    • 本发明是通过Ca还原TiCl 4制备Ti或Ti合金的方法,其可以生产高纯Ti金属或Ti合金。 将含有CaCl 2 Ca的Ca盐溶解在其中的熔融盐保持在反应器电池中,在反应器电池中的熔融盐中进行电解,并且在熔融盐中产生颗粒状的Ti或Ti合金, 将含有TiCl 4的金属氯化物供给熔融盐,以便通过电解与在阴极电极侧产生的Ca反应,从而提高TiCl 4的进料速率, 作为Ti的原料,也是连续操作。 此外,本发明的方法消除了对Ca的单独处理的需要,因为还原反应和电解反应可以在反应器电池中同时进行以补充通过电解反应在还原反应中消耗的Ca。 因此,本发明的制造方法可以用作高效且经济地制造高纯度Ti金属或Ti合金的手段。
    • 6. 发明申请
    • Method for producing ti or ti alloy through reduction by ca
    • 通过还原制备钛或钛合金的方法
    • US20070131057A1
    • 2007-06-14
    • US10575224
    • 2004-10-06
    • Tadashi OgasawaraMakoto YamaguchiMasahiko HoriToru UenishiYuko UrasakiKazuo Takemura
    • Tadashi OgasawaraMakoto YamaguchiMasahiko HoriToru UenishiYuko UrasakiKazuo Takemura
    • B22F9/24
    • C25C3/28C22B34/1272C22B34/1295C25C3/02
    • A method for producing Ti or Ti alloys through reduction by Ca, including: a reduction step of holding a molten salt, containing CaCl2 and having Ca dissolved therein, in a reactor vessel 1, and reacting a metallic chloride containing TiCl4 with Ca in said salt to generate particles of Ti or Ti alloys in said salt; and a separation step of separating particles of Ti or Ti alloys, generated in said salt, from said salt. An electrolysis step 8, in which CaCl2 discharged outside the reactor vessel 1 is electrolyzed into Ca and Cl2, and the generated Ca is used for the generation reaction of Ti or Ti alloys in the reactor vessel 1, is preferably added. In the electrolysis step 8, an alloy electrode made of a molten Ca alloy, if applied for a cathode, is effective in enhancing the electricity efficiency, and also can be effectively utilized as a carrier medium of Ca for raising a Ca concentration of molten salt. By this method, high-purity Ti metals can be efficiently and economically produced.
    • 一种通过Ca还原制造Ti或Ti合金的方法,包括:将含有CaCl 2·Ca和Ca的溶解在其中的熔融盐保持在反应容器1中的还原步骤,并使金属 在所述盐中含有TiCl 4 Si与Ca的氯化物,以在所述盐中产生Ti或Ti合金颗粒; 以及分离步骤,从所述盐分离在所述盐中产生的Ti或Ti合金的颗粒。 电解步骤8,其中排放到反应容器1外部的CaCl 2电解为Ca和Cl 2,并且所产生的Ca用于Ti或 优选添加反应器容器1中的Ti合金。 在电解工序8中,如果用于阴极,则由熔融的Ca合金构成的合金电极,对于提高电效率是有效的,也可以有效地利用Ca作为提高熔融盐的Ca浓度的载体介质 。 通过这种方法,可以高效且经济地生产高纯度Ti金属。