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    • 2. 发明申请
    • Method of High-Melting-Point Metal Separation and Recovery
    • 高熔点金属分离和回收方法
    • US20080250901A1
    • 2008-10-16
    • US11886323
    • 2006-03-08
    • Tadashi OgasawaraMakoto YamaguchiKatsunori DakeshitaMasahiko Hori
    • Tadashi OgasawaraMakoto YamaguchiKatsunori DakeshitaMasahiko Hori
    • C22B34/12C22B9/02
    • C25C3/02C22B9/02C22B34/1272C22B34/1295Y02P10/234
    • A TiCl4 gas is supplied to a molten CaCl2 liquid held in a reactor vessel 6 through a raw material feed pipe 11, TiCl4 is reduced to produce granular metallic Ti by Ca melted in the CaCl2 liquid. The molten CaCl2 liquid in which Ti granules taken out downward from the reactor vessel 6 is mixed is delivered to a separation process 12, the molten CaCl2 liquid is heated in a heating vessel 15, and separation is generated by a difference in specific gravity, whereby the molten CaCl2 liquid 16 is located in an upper layer while a metallic Ti 17 is located in a lower layer. The metallic Ti 17 in the lower layer is taken out from a high-melting-point metal discharge port 18, and the metallic Ti 17 is solidified to yield an ingot. The molten CaCl2 liquid 16 in the upper layer is delivered to an electrolysis process 13 along with the molten CaCl2 liquid taken out from the reactor vessel 6, and Ca generated by the electrolysis and CaCl2 are returned into the reactor vessel 6. A separation and recovery method of the invention is applied to the separation process 12 in the above production process, and high-quality Ti or Ti alloy is efficiently separated and recovered from the CaCl2-containing molten salt with a small amount of energies.
    • 将TiCl 4气体通过原料供给管11供给到保持在反应器容器6中的熔融CaCl 2 2液体,TiCl 4 通过在CaCl 2液体中熔化的Ca还原以产生颗粒状金属Ti。 将其中从反应器6向下取出的Ti颗粒混合的熔融的CaCl 2 H 2液体被输送到分离过程12中,将熔融的CaCl 2液体加热到 加热容器15,并且通过比重差产生分离,由此熔融的CaCl 2液体16位于上层,而金属Ti 17位于下层。 下层的金属Ti 17从高熔点金属排出口18取出,使金属Ti 17固化,得到锭。 上层的熔融CaCl 2液体16与从反应容器6取出的熔融CaCl 2液体一起被输送到电解过程13,由 将电解和CaCl 2 2返回到反应容器6中。 本发明的分离和回收方法在上述生产过程中应用于分离过程12,并且从包含CaCl 2的熔融盐中有效地分离和回收高品质的Ti或Ti合金, 少量的能量。
    • 4. 发明申请
    • Method for Producing Ti or Ti Alloy Through Reduction by Ca
    • 通过Ca还原生产Ti或Ti合金的方法
    • US20070295167A1
    • 2007-12-27
    • US10590863
    • 2004-10-13
    • Tadashi OgasawaraMakoto YamaguchiMasahiko HoriToru UenishiKazuo Takemura
    • Tadashi OgasawaraMakoto YamaguchiMasahiko HoriToru UenishiKazuo Takemura
    • C22B34/12C25C3/28
    • C22B34/1272C22B5/04C22B34/129C22B34/1295Y02P10/212
    • A mixed molten salt containing CaCl2 and NaCl is held in the reactor cell 1 at a temperature not more than 600° C. TiCl4 which is of a Ti raw material is introduced into the reactor cell 1 while Na is introduced into the reactor cell 1. Na introduced into the reactor cell 1 is replaced by Ca, Ca is dissolved in the molten salt, Ca reduces TiCl4 introduced into the reactor cell 1, and thereby Ti particles are generated. The generated Ti particles are introduced to a separation cell 2 along with the molten salt, and the Ti particles and Na are separated from the molten salt. The residual molten salt is introduced to an electrolytic cell 3 to generate Na by high-temperature electrolysis at the temperature more than 600° C. The generated Na is returned to the reactor cell 1 to replenish Na consumed in the reactor cell 1. The highly reactive Ca is not directly handled, and Na which is easy to handle is used in a circulating manner. Therefore, the Ti or Ti alloy can economically be produced by Ca reduction.
    • 将含有CaCl 2 N 2和NaCl的混合熔融盐在不高于600℃的温度下保持在反应器电池1中。Ti原料的TiCl 4为 引入反应器电池1中,同时将Na引入反应器电池1中。 引入反应器电池1的Na被Ca替代,Ca溶解在熔融盐中,Ca使引入反应器电池1的TiCl 4导致,从而产生Ti颗粒。 所产生的Ti颗粒与熔融盐一起被引入分离池2中,并将Ti颗粒和Na与熔融盐分离。 将残留的熔融盐引入电解槽3中,通过在600℃以上的高温下进行高温电解而生成Na。将所生成的Na返回到反应器电池1,补充反应器电池1中消耗的Na。 高反应性Ca不能直接处理,易于处理的Na以循环方式使用。 因此,Ti或Ti合金可经济地通过Ca还原产生。
    • 5. 发明申请
    • Method and apparatus for producing metal
    • 用于生产金属的方法和设备
    • US20060219053A1
    • 2006-10-05
    • US10569602
    • 2004-07-14
    • Tadashi OgasawaraMakoto YamaguchiMasahiko HoriToru Uenishi
    • Tadashi OgasawaraMakoto YamaguchiMasahiko HoriToru Uenishi
    • C22B34/00C22B34/12
    • C25C3/02C22B5/04C22B34/1268C22B34/129C25B1/26
    • The present invention relates to a method for producing a metal by a direct oxide reduction process with Ca. A CaCl2-based molten salt containing Ca is held in a reduction chamber 1, a metal oxide is introduced into the molten salt in the reduction chamber 1, and the metal oxide is reduced with the Ca in the molten salt to form said metal. The metal formed in the molten salt is separated from the molten salt in a separation means 2, and the molten salt deprived of the metal is introduced into a chlorination chamber 7 and subjected to chlorination treatment with chlorine gas to eliminate the byproduct CaO in the molten salt. The molten salt after chlorination treatment is introduced into an electrolysis chamber 8 and electrolyzed for the formation of Ca and chlorine from CaCl2, and the thus-formed Ca or Ca-containing molten salt is transferred from the electrolysis chamber 8 to the reduction chamber 1. The chlorine obtained in the electrolysis chamber 8 is used in the chlorination chamber 7. Thus, the present invention provides a metal production method and an apparatus wherein high levels of productivity are obtained and the product metal can be inhibited from carbon contamination due to CaO, without any generation of CO2 from the production process, while their being based on the direct oxide reduction process comprising the step of reducing a metal oxide with Ca.
    • 本发明涉及通过直接氧化还原法制备金属的方法。 含有CaCl 2的基于Ca的熔融盐保持在还原室1中,金属氧化物被引入到还原室1中的熔融盐中,并且金属氧化物与Ca中的Ca还原 熔融盐形成所述金属。 在熔融盐中形成的金属与分离装置2中的熔融盐分离,将不含金属的熔融盐引入氯化室7中,并用氯气进行氯化处理,以消除熔融的 盐。 将氯化处理后的熔融盐引入电解室8中,电解,从CaCl 2 2形成Ca和氯,将由此形成的含Ca或Ca的熔融盐从电解 室8到还原室1。 在氯化室7中使用电解室8中得到的氯。 因此,本发明提供了一种金属制造方法和装置,其中获得了高水平的生产率,并且可以抑制产品金属由于CaO而导致的碳污染,而不会从生产中产生CO 2 而它们基于直接氧化还原方法,包括用Ca.还原金属氧化物的步骤。
    • 6. 发明授权
    • Galvannealed steel sheet and manufacturing method thereof
    • 加热冷却钢板及其制造方法
    • US5897967A
    • 1999-04-27
    • US895479
    • 1997-07-16
    • Masahiko HoriToshio NakamoriYoshiaki NakazawaYasuyuki Tanno
    • Masahiko HoriToshio NakamoriYoshiaki NakazawaYasuyuki Tanno
    • C23C2/06C23C2/28B32B15/00
    • C23C2/28C23C2/06Y10T428/12799
    • A galvannealed steel sheet suited for use in automobiles, and a manufacturing method thereof. The steel sheet has tensile strength of 340 MPa or higher and paint bake hardenability of 10 MPa or higher, and excellent resistance to powdering when press formed, and excellent resistance to chipping in cold regions. The base metal of the galvannealed steel sheet consists essentially of C: 0.004-0.008%, Si: 2.5.times.P (%)-0.20%, Mn: 0.10-0.40%, P: 0.017-0.045%, sol. Al: 0.003-0.08%, Ti: 0.002-0.015%, Nb: 0.010-0.030 %, wherein Ti (%)+Nb (%): 0.012-0.035%. A steel sheet of the chemical composition described above is hot-dip galvanized, heated up to a Fe--Zn alloying temperature at a heating velocity of 20.degree. C./sec or higher, and upon completion of the Fe--Zn alloying process, cooled down from the Fe--Zn alloying temperature at a cooling velocity of 10.degree. C./sec or higher.
    • 适用于汽车的合金化热浸镀锌钢板及其制造方法。 该钢板的拉伸强度为340MPa以上,油漆烘烤硬化性为10MPa以上,冲压成型时耐粉化性优异,耐寒性优异。 合金化热镀锌钢板的基体金属基本上由C:0.004-0.008%,Si:2.5×P(%)-0.20%,Mn:0.10-0.40%,P:0.017-0.045%,溶胶组成。 Al:0.003-0.08%,Ti:0.002-0.015%,Nb:0.010-0.030%,Ti(%)+ Nb(%):0.012-0.035%。 将上述化学成分的钢板热浸镀锌,以20℃/秒以上的加热速度加热到Fe-Zn合金化温度,在Fe-Zn合金化工序完成后,冷却 以10℃/秒以上的冷却速度从Fe-Zn合金化温度下降。
    • 10. 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。