Method of purifying refractory metal
    51.
    发明授权
    Method of purifying refractory metal 失效
    难熔金属的净化方法

    公开(公告)号:US4749409A

    公开(公告)日:1988-06-07

    申请号:US90914

    申请日:1987-08-31

    申请人: Hiroshi Ishizuka

    发明人: Hiroshi Ishizuka

    摘要: A method of purifying refractory metal, comprising: providing a distillation space, said space comprising both a heatable portion and a condensation portion in communication with each other, and being closed but provided with gas inlet- and gas outlet openings, said degassing opening being located in the condensation portion, placing a mixed deposit of a refractory metal with magnesium metal and magnesium chloride in said heatable portion, heating said deposit under a subatmospheric pressure to temperatures high enough to cause evaporation of magnesium and magnesium chloride, degassing the space through the gas outlet opening, cooling magnesium and magnesium chloride to deposit in the condensation portion, starting introduction of an inert gas, through the gas inlet opening, at a timing where there is a steady, substantially decreased pressure of the thus forming vapor on the order of 10.sup.-2 Torr in the space, keeping supply of the inert gas while degassing through said openings, respectively, so that an increased but still subatmospheric pressure less than 1 Torr is maintained in the space.

    摘要翻译: 一种净化难熔金属的方法,包括:提供蒸馏空间,所述空间包括彼此连通的可加热部分和冷凝部分,并且被封闭,但设置有气体入口和气体出口,所述脱气开口位于 在冷凝部分中,将难熔金属与镁金属和氯化镁的混合沉积物放置在所述可加热部分中,将所述沉积物在低于大气压的压力下加热至高到足以引起镁和氯化镁蒸发的温度,使空气通过气体脱气 出口开口,冷却镁和氯化镁以沉积在冷凝部分中,在这样形成的蒸汽的压力稳定的基本上降低的时刻,通过气体入口开始引入惰性气体。 -2乇在空间中,保持惰性气体的供应,同时通过所述开口脱气 使得在该空间中保持小于1托的增加但仍然低于大气压的压力。

    Chlorinator furnace and method for producing tetrachloride of such
metals as titanium and zirconium
    52.
    发明授权
    Chlorinator furnace and method for producing tetrachloride of such metals as titanium and zirconium 失效
    氯化炉和钛和锆等金属四氯化钛的制造方法

    公开(公告)号:US4595573A

    公开(公告)日:1986-06-17

    申请号:US701667

    申请日:1985-02-15

    申请人: Hiroshi Ishizuka

    发明人: Hiroshi Ishizuka

    摘要: A method for producing tetrachloride of a metal selected from the group consisting of titanium and zirconium comprising: providing a reaction chamber which is defined by a wall structure of refractory material and arranged in an airtight encasement of metal, said reaction chamber comprising a reaction zone ranging downwards from an intermediate level thereof, said encasement including a jacket formed of a double wall construction around the reaction zone, communicating means between the inside of said jacket and said reaction chamber, heating said reaction chamber, filling said jacket with a gas, introducing a solid reaction mixture comprising a compound of the metal to be chlorinated, supplying a gas mixture comprising chlorine to said reaction zone through a tube connected to the chamber bottom to cause reaction at a positive pressure over the atmosphere to produce the tetrachloride of the metal, maintaining a positive pressure relative to the atmosphere in both said jacket and said reaction chamber and a pressure is in the jacket higher than that within said reaction chamber so as to provide a continuous stream of gas to flow into said reaction zone via said communicating means to sweep vapor of chlorine and chlorides away from the inside face of the encasement and thereby protect it from attack.

    摘要翻译: 一种生产选自钛和锆的金属的四氯化钛的方法,包括:提供由耐火材料的壁结构限定并且以气密的金属包装物排列的反应室,所述反应室包括反应区域 所述包装包括由反应区域周围的双层壁结构形成的夹套,所述护套的内部和所述反应室之间的连通装置,加热所述反应室,用气体填充所述护套,引入 固体反应混合物,其包括待氯化的金属的化合物,通过连接到室底部的管向所述反应区供应包含氯的气体混合物,以在大气压力下产生正压以产生金属的四氯化物,维持 相对于所述夹套和所述夹套中的气氛的正压力 反应室中的压力高于所述反应室内的压力,从而提供连续的气流,经由所述连通装置流入所述反应区域,以将氯和氯化物的蒸气从包装的内表面吹扫 从而保护它免受攻击。

    Method for production of refractory metal from a chloride thereof
    53.
    发明授权
    Method for production of refractory metal from a chloride thereof 失效
    从其氯化物制备难熔金属的方法

    公开(公告)号:US4584018A

    公开(公告)日:1986-04-22

    申请号:US702087

    申请日:1985-02-15

    申请人: Hiroshi Ishizuka

    发明人: Hiroshi Ishizuka

    摘要: An apparatus and method for production of refractory metal from a chloride thereof, comprising a conversion assembly and a purification assembly, the former in turn comprising: an elongated vertical cylindrical member with an open top and a closed bottom, another cylindrical member open at each end but having a grid plate detachably supported at a bottom thereof, said cylindrical members consisting of axially arranged outer and inner vessels, respectively, an annular top cover joined on respective upper ends of said outer and inner vessels, a closure joined over a central bore of said top cover, a furnace means surrounding said outer vessel, a tube means which extends through the closure into the inner vessel for feeding raw chloride, another tube means which opens in the outer vessel at a bottom thereof and extends along a wall thereof outwards for discharging fluids, and a means for evacuation and introduction of inert gas; while the purification assembly comprising: an elongated vertical cylindrical retort which is separable into a coolable upper half and a heatable lower half, a cylindrical member open at each end thereof to consist another inner vessel coaxially arranged inside the retort, another top cover joined on respective upper ends of the retort and inner vessel, another closure joined over a central bore of the top cover, a furnace means surrounding the retort lower half, a water jacket on the retort upper half, and a duct means connected with the closure for degassing the retort, said inner vessels being of a common construction to each other, and the top cover of the purification assembly, as well as the closure, being secured airtightly but detachably to the retort and the inner vessel by a mechanical means adaptable to secure the top cover and closure to the outer and inner vessels of the conversion assembly, respectively.

    High temperature high pressure apparatus
    54.
    发明授权
    High temperature high pressure apparatus 失效
    高温高压装置

    公开(公告)号:US4518334A

    公开(公告)日:1985-05-21

    申请号:US644362

    申请日:1984-08-27

    申请人: Hiroshi Ishizuka

    发明人: Hiroshi Ishizuka

    IPC分类号: B01J3/06

    摘要: A high temperature high pressure apparatus which comprises: an annular die having a straight cylindrical bore and a substantially conical face in adjacency outwards with each end thereof, a pair of tapered punches which are in opposed and axial alignment with the die so that a conical face of each punch is substantially in parallel with that of the die, a pair of inner gaskets, each of which is made of fired refractory and is arranged in direct abutment on the conical face of the punch and the bore of the die, a pair of outer gaskets, which are made of material of intermediate hardness level and is arranged in adjacency outside the inner gasket, and a pair of stopper rings of readily deformable but highly tough material and arranged in adjacency outwards to the outer gaskets.

    摘要翻译: 一种高温高压装置,包括:环形模具,其具有直的圆柱形孔和与其每端相邻的基本上圆锥形的表面,一对与模具相对且轴向对准的锥形冲头,使得圆锥形面 每个冲头基本上与模具平行,一对内垫圈,每个内垫圈由耐火材料制成,并且直接邻接在冲头的锥形表面和模具的孔上,一对 外部垫圈由中间硬度水平的材料制成,并且在内部垫圈外侧相邻地布置,以及一对容易变形但非常坚韧的材料的止动环,并且邻近地布置在外部垫圈上。

    Method and an apparatus for producing titanium metal from titanium
tetrachloride
    55.
    发明授权
    Method and an apparatus for producing titanium metal from titanium tetrachloride 失效
    从四氯化钛生产钛金属的方法和装置

    公开(公告)号:US4441925A

    公开(公告)日:1984-04-10

    申请号:US360054

    申请日:1982-03-19

    申请人: Hiroshi Ishizuka

    发明人: Hiroshi Ishizuka

    IPC分类号: B01J19/00 B01J19/14 C22B34/12

    摘要: In a method for producing titanium metal from tetrachloride which comprises holding magnesium as fused in a space which is provided within an elongated vessel means and is heatable with a furnace means to surround, introducing titanium tetrachloride onto said magnesium to cause a reaction therebetween to form titanium metal product and magnesium chloride byproduct, continuing such reaction until the vessel means is deposited with a substantial volume of titanium metal and recovering the metallic product and chloride byproduct, an improvement which comprises a pressure-regulatable air tight interspace between the vessel means and the furnace means, and keeping said interspace at a pressure, with an inert gas, close to that inside the vessel means while the vessel is heated in the furnace.

    摘要翻译: 在由四氯化钛制造钛金属的方法中,其包括将镁熔合在设置在细长容器装置内的空间中并且可与炉装置一起包围,将四氯化钛引入到所述镁上以引起其间的反应以形成钛 金属产物和氯化镁副产物,继续这种反应,直到容器装置沉积有大量钛金属并回收金属产物和氯化物副产物,其改进包括容器装置和炉子之间的压力可调节的气密间隙 意味着,并且在容器在炉中加热的同时使惰性气体在容器装置的内部保持压力处于压力下。

    Abrasive machine for stones
    56.
    发明授权
    Abrasive machine for stones 失效
    石磨机

    公开(公告)号:US4164828A

    公开(公告)日:1979-08-21

    申请号:US860630

    申请日:1977-12-14

    申请人: Hiroshi Ishizuka

    发明人: Hiroshi Ishizuka

    IPC分类号: B24B7/22 B24B27/00

    CPC分类号: B24B27/0038 B24B7/224

    摘要: An abrasive machine for stones, which comprises one or more abrasive units and means for feeding the stones, each of said units having a plurality of abrasive tools each provided with a grindstone rotatably mounted thereto, said abrasive tools being arranged and driven along a circular line, whereby each of said grindstones not only rotates but also revolve to grind and polish the stone surface contact therewith.

    摘要翻译: 一种用于石头的研磨机,其包括一个或多个研磨单元和用于进给所述石块的装置,每个所述单元具有多个研磨工具,每个所述研磨工具都具有可旋转地安装在其上的磨石,所述研磨工具沿着圆形线 由此,每个所述磨石不仅旋转,而且还旋转以研磨和抛光与其表面接触的石材表面。

    Process for synthesizing diamonds
    57.
    发明授权
    Process for synthesizing diamonds 失效
    合成钻石的工艺

    公开(公告)号:US4128625A

    公开(公告)日:1978-12-05

    申请号:US841715

    申请日:1977-10-13

    申请人: Hiroshi Ishizuka

    发明人: Hiroshi Ishizuka

    IPC分类号: C01B31/06 B01J3/06

    摘要: A process for synthesizing larger size diamonds wherein a raw material carbon substance and a solvent-catalyst metal initially isolated from the carbon substance by a metal having no affinity to carbon are subjected to high pressure-high temperature conditions within a diamond-stable region calculated and defined by a specific combination of the carbon substance and solvent-catalyst metal to temporarily restrict nucleation at the reaction earlier stage to control the number of diamond crystal nucleuses.

    摘要翻译: 一种合成大尺寸金刚石的方法,其中原料碳物质和最初通过不与碳的亲合性的金属从碳物质分离的溶剂 - 催化剂金属在计算的金刚石稳定区域内经受高压高温条件, 由碳物质和溶剂 - 催化剂金属的特定组合限定,以暂时限制反应较早阶段的成核以控制金刚石晶核的数目。

    High pressure apparatus
    58.
    发明授权
    High pressure apparatus 失效
    高压设备

    公开(公告)号:US3988087A

    公开(公告)日:1976-10-26

    申请号:US651755

    申请日:1976-01-23

    申请人: Hiroshi Ishizuka

    发明人: Hiroshi Ishizuka

    IPC分类号: B01J3/06 B30B11/32

    摘要: A high pressure apparatus for synthesizing diamonds which comprises a pair of opposed tapered pistons each having a truncated end surface, a pair of hollow truncated-conical piston protectors each of which is made of a ductile metal and arranged on the tapered piston surface, and annular die member having a substantially cylindrical wall of a diameter larger than that of each piston truncated end surface, a hollow cylindrical body made of less compressibility coefficient material than the die material and having an outer diameter substantially same or slightly smaller than the diameter of said truncated end surface of each pistons and positioned coaxially within the die cylindrical wall, and gaskets placed respectively at the ends of said cylindrical body.

    摘要翻译: 一种用于合成金刚石的高压装置,其包括一对具有截头端面的相对的锥形活塞,一对中空截锥形活塞保护器,每个都由延性金属制成,并设置在锥形活塞表面上,环形 模具构件具有直径大于每个活塞截头端面的直径的基本上圆柱形的壁;中空圆柱体,由比模具材料更小的压缩系数材料制成,并具有与所述截顶端的直径基本相同或略小的外径 每个活塞的端面并且同轴地定位在模具圆筒壁内,并且垫圈分别放置在所述圆柱体的端部。

    Minute diamond powder, method for collecting the same and slurry comprisng the same in suspension
    59.
    发明授权
    Minute diamond powder, method for collecting the same and slurry comprisng the same in suspension 有权
    分钟金刚石粉末,收集相同的方法和包含悬浮液的浆料

    公开(公告)号:US09546093B2

    公开(公告)日:2017-01-17

    申请号:US12526076

    申请日:2008-02-08

    IPC分类号: B82Y30/00 C01B31/06 C09K3/14

    摘要: [Task to be Solved]One of the principal objects of the invention is to collect minute diamond particles of D50 of 20 nm and smaller, by MICROTRAC UPA 150, in high precision and high definition.[Means for Solving the Task]The minute diamond particles of the invention are recovered by a method comprising: (1) joining or combining a hydrophilic functional group with a surface of diamond powder that comprises particles of a primary particle size of 50 nm or less, so as to impart hydrophilic nature on the surface, (2) placing the hydrophilic diamond particles to hold in suspension in water to form a slurry, (3) subjecting said slurry to a hyper-centrifugal process at a centrifugal force of 4×103 G and at the same time a centrifugal load product of 200×103 G·min. or more, in order to remove by depositing a fraction of coarser particles from the slurry, said load product being defined as product of centrifugal force, loaded, in G and duration of loading in minutes, where G represents the gravitational acceleration constant; (4) adding cations to said slurry, whereby the diamond particles in suspension in the water are deposited.

    摘要翻译: [待解决的任务]本发明的主要目的之一是通过MICROTRAC UPA 150以高精度和高清晰度收集20nm以下的D 50的微小金刚石颗粒。 [解决任务的手段]通过以下方法回收本发明的微小金刚石颗粒:(1)将亲水性官能团与包含一次粒径为50nm以下的粒子的金刚石粉末的表面接合或组合 ,以便赋予表面亲水性,(2)将亲水性金刚石颗粒置于悬浮液中以形成浆料,(3)在4×10 3 G离心力下对所述浆料进行超离心过程 并同时具有200×10 3 G·min的离心负荷产物。 或更多,为了通过从浆料中沉积一部分较粗的颗粒来除去,所述负载产物被定义为离心力的乘积,G中的载荷和以几分钟的载荷持续时间,其中G表示重力加速常数; (4)向所述浆料中加入阳离子,由此沉积在水中悬浮液中的金刚石颗粒。