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    • 5. 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。
    • 8. 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。
    • 9. 发明申请
    • Flow measurement apparatus and method for checking accuracy of the same
    • 用于检查其精度的流量测量装置和方法
    • US20070144233A1
    • 2007-06-28
    • US11453255
    • 2006-06-15
    • Tetsuji KudoMakoto YamaguchiHiroki Tani
    • Tetsuji KudoMakoto YamaguchiHiroki Tani
    • G01F25/00G01F1/704G01F13/00G01M3/18G01M3/22
    • G01F3/20G01F1/704G01F25/0007G01F25/003
    • A diaphragm is uniformly and finely deformed by compressed air supplied from an electro-pneumatic regulator, so that test fluid is supplied in conformity with the deformation of the diaphragm. In this way, a flow quantity of the test fluid supplied from a fluid supply device to a measurement passage is accurately adjusted. Therefore, an accuracy of a flow accuracy check device is improved, and a leakage measurement accuracy at the time of measuring a leakage from a fuel injection valve with a flow measurement apparatus is improved. At the time of measuring the leakage from the fuel injection valve, the diaphragm is stopped at a balanced position where a force of the air supplied from the regulator and a resilient force of the diaphragm is balanced. Therefore, a change in a volume of the measurement passage, which would be otherwise caused by movement of the diaphragm, does not occur.
    • 通过从电动气动调节器供给的压缩空气使膜片均匀且微细地变形,从而根据隔膜的变形供给试验液。 以这种方式,精确地调节从流体供应装置供给到测量通道的测试流体的流量。 因此,提高了流量精度检查装置的精度,并且提高了使用流量测量装置测量来自燃料喷射阀的泄漏时的泄漏测量精度。 在测量来自燃料喷射阀的泄漏时,隔膜停止在从调节器供应的空气的力和隔膜的弹性力平衡的平衡位置处。 因此,不会发生由隔膜的移动引起的测量通道的体积变化。