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1. 发明专利

JP2014124664A Method of casing ingot of titanium or titanium alloy continuously 有权
标题翻译：连续铸造钛或钛合金的方法
公开(公告)号：JP2014124664A
公开(公告)日：2014-07-07
申请号：JP2012283092
申请日：2012-12-26
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： TAKAHASHI DAIKI , ISHIDA HITOSHI , MATSUWAKA DAISUKE , OYAMA HIDETO , KANEHASHI HIDEKATSU , TSUTSUMI KAZUYUKI , NAKAOKA TAKEHIRO , KUROSAWA EISUKE
IPC分类号： B22D11/041 , B22D11/00 , B22D11/16 , B22D11/20 , B22D21/06 , B22D27/02
摘要： PROBLEM TO BE SOLVED: To enable casting an ingot having a good casting surface without measuring a temperature of a molten metal directly under the surface of the molten metal in a casting mold and in the vicinity of a wall surface of the casting mold.SOLUTION: With the input electric energy input from a plasma torch 7 arranged over a molten metal 12 in a casting mold 2 into the surface of the molten metal 12 in the casting mold 2, a thickness d of a flux 9 formed in the boundary surface between the wall surface of the casting mold 2 and the molten metal 12 in the casting mold 2, a horizontal distance L between the furthest point from the plasma torch 7 in the inside surface of the casting mold 2 and the center of the plasma torch 7, the heat transfer coefficient of the casting mold 2, the drawing speed of an ingot and the inner dimensions of the casting mold 2 as parameters, the temperature of the molten metal 12 directly under the surface of the molten metal 12 in the casting mold 2 and in the vicinity of the wall surface of the casting mold 2 is estimated, and individual parameters are adjusted so that the estimated temperature of the molten metal 12 in the vicinity of the wall surface becomes equal to or higher than the melting point of titanium or a titanium alloy to be casted.
摘要翻译：要解决的问题：为了能够铸造具有良好铸造表面的铸锭，而不会在铸模中直接在熔融金属的表面下方并且在铸模的壁表面附近测量熔融金属的温度。解决方案：通过从铸模2中的熔融金属12上的等离子体焰炬7输入的输入电能输入到铸模2中的熔融金属12的表面，形成在熔融金属12之间的边界面中的焊剂9的厚度d 铸模2的壁表面和铸模2中的熔融金属12之间，与铸造模2的内表面中的等离子体焰炬7的最远点与等离子体焰炬7的中心之间的水平距离L，铸模2的传热系数，锭的拉伸速度和铸模2的内部尺寸作为参数，直接在铸模2中的熔融金属12的表面下方的熔融金属12的温度估计铸模2的壁面附近，调整各个参数，使得熔融金属12在壁面附近的估计温度变得等于或高于钛的熔点或要铸造的钛合金。

2. 发明专利

JP2014129556A Method for producing titanium ingot 有权
标题翻译：生产钛白粉的方法
公开(公告)号：JP2014129556A
公开(公告)日：2014-07-10
申请号：JP2012286532
申请日：2012-12-28
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： TAKAHASHI DAIKI , ISHIDA HITOSHI , MATSUWAKA DAISUKE , OYAMA HIDETO , KANEHASHI HIDEKATSU , YOKOYAMA HIROSHI
IPC分类号： C22B34/12 , C22B9/22
CPC分类号： Y02P10/253
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a titanium ingot, which can give a titanium ingot at a low cost, at a high quality and with reliability, which contains removing HDI's (high density inclusions) from a titanium alloy and lowering the residual rate of LDI's (low density inclusions) having a particle diameter φ of about 10 to 15 mm to 1% or less.SOLUTION: Provided is a method for producing a titanium ingot 30, which contains the steps of: melting a titanium alloy in a given time period by CCIM (a cold crucible induction melting); supplying the resultant molten titanium 6 into a cold hearth 10; and subjecting sedimentation separation of HDI's 8 in the cold hearth 10, while irradiating the bath face of the molten titanium 6 with electron beam.
摘要翻译：要解决的问题：提供一种可以以高质量和可靠的方式以低成本得到钛锭的钛锭的制造方法，其包含从钛合金中去除HDI（高密度夹杂物）并降低残留率LDI（低密度夹杂物）具有粒径＆phgr; 为10〜15mm〜1％以下。本发明提供一种钛锭30的制造方法，其特征在于，包括以下步骤：通过CCIM（冷坩埚感应熔融）在给定时间内熔化钛合金; 将所得熔融钛6供应到冷床10中; 并在用电子束照射熔融钛6的浴面的同时，将HDI8的沉淀分离进入冷室10。

3. 发明专利

JP2013184173A Titanium melting device 有权
标题翻译：钛金属熔化设备
公开(公告)号：JP2013184173A
公开(公告)日：2013-09-19
申请号：JP2012049418
申请日：2012-03-06
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： KUROSAWA EISUKE , NAKAOKA TAKEHIRO , TSUTSUMI KAZUYUKI , OYAMA HIDETO , KANEHASHI HIDEKATSU , ISHIDA HITOSHI , TAKAHASHI DAIKI , MATSUWAKA DAISUKE
IPC分类号： B22D11/041 , B22D11/00 , B22D21/06 , B22D27/02 , C22B9/22 , C22B34/12 , F27B3/04 , F27B3/20
CPC分类号： B22D11/001 , B22D11/041 , B22D11/115 , B22D41/015 , F27B3/045 , F27B3/20 , F27D27/00
摘要： PROBLEM TO BE SOLVED: To provide a titanium melting device which includes a structure capable of more sufficiently performing stirring of a molten metal in a hearth than ever.SOLUTION: A titanium melting device 1, which is provided in an apparatus for continuously producing a titanium ingot 55, makes a starting-material 51 (sponge titanium) melted by plasma heating to be turned into a molten metal 53, makes the molten metal 53 flow downward, and makes the molten metal poured into a mold 4. The titanium melting device 1 includes: a starting-material melting hearth 2 into which the starting-material 51 is charged, and which melts the starting-material 51 by the plasma heating to turn the molten starting-material into the molten metal; and an electromagnetic stirring device 6 which is arranged in close vicinity to a bottom surface of the starting-material melting hearth 2, and which stirs the molten metal 53 by generating a swirl flow in the molten metal 53 inside the starting-material melting hearth 2.
摘要翻译：要解决的问题：提供一种钛熔化装置，其包括能够更充分地搅拌炉内的熔融金属的结构。钛熔融装置1设置在用于连续生产钛的装置中锭55使得通过等离子体加热熔化的起始材料51（海绵钛）变成熔融金属53，使熔融金属53向下流动，并使熔融金属倒入模具4中。钛熔化装置1 包括：起始材料熔化炉床2，其中起始材料51被装入其中，并且通过等离子体加热熔化起始材料51以将熔融原料转化为熔融金属; 以及配置在原料熔融炉底2的底面附近的电磁搅拌装置6，通过在原料熔融炉床2内部的熔融金属53内产生旋流而搅拌熔融金属53 。

4. 发明专利

JP2012254907A Method for removing boron in molten silicon 审中-公开
标题翻译：在硅中除去硼的方法
公开(公告)号：JP2012254907A
公开(公告)日：2012-12-27
申请号：JP2011129810
申请日：2011-06-10
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： MATSUWAKA DAISUKE , ISHIDA HITOSHI
IPC分类号： C01B33/037
摘要： PROBLEM TO BE SOLVED: To provide a method for removing boron in a molten silicon, which can improve the removal velocity of boron in the molten silicon without high-frequency induction heating the molten silicon accommodated in a container, blasting an inert gas to the molten silicon from the bottom of the container, or blasting hydrogen besides an oxidative gas to the bath surface vicinity of the molten silicon.SOLUTION: The method for removing B in the molten silicon 3 by blasting an Ar-5.0%-HO gas to the bath surface 3a of the molten silicon 3 accommodated in a crucible 1 as the container to plasma arc melt the molten silicon 3, wherein the molten silicon 3 accommodated in the crucible 1 is stirred at a rate of 250 rpm using a propeller 2.
摘要翻译：要解决的问题：提供一种去除熔融硅中的硼的方法，其可以提高熔融硅中的硼的去除速度，而不需要高频感应加热容纳在容器中的熔融硅，喷射惰性气体从容器的底部到熔融硅，或者将除了氧化气体之外的氢喷射到熔融硅附近的浴表面。解决方案：通过将Ar-5.0％-H 2 O气体喷射到容纳的熔融硅3的浴表面3a中的用于去除熔融硅3中的B的方法在作为等离子体的容器的坩埚1中，使用螺旋桨2以250rpm的速度搅拌容纳在坩埚1中的熔融硅3的熔融硅3。（C）2013，JPO＆INPIT

5. 发明专利

JP2014133257A Method for continuously casting ingot made from titanium or titanium alloy 有权
标题翻译：从钛或钛合金连续铸造的方法
公开(公告)号：JP2014133257A
公开(公告)日：2014-07-24
申请号：JP2013003916
申请日：2013-01-11
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： KUROSAWA EISUKE , NAKAOKA TAKEHIRO , TSUTSUMI KAZUYUKI , OYAMA HIDETO , KANEHASHI HIDEKATSU , ISHIDA HITOSHI , TAKAHASHI DAIKI , MATSUWAKA DAISUKE
IPC分类号： B22D11/00 , B22D11/041 , B22D11/055
CPC分类号： B22D11/001 , B22D11/041 , B22D11/055 , B22D11/117 , B22D11/188 , B22D11/207 , B22D11/22 , B22D21/022 , B22D23/10 , F27D2099/0031
摘要： PROBLEM TO BE SOLVED: To cast an ingot having excellent casting surface.SOLUTION: At least one of a temperature Tof a surface part 11a of an ingot 11 in a contact region 16 between a casting mold 2 and the ingot 11, and a heat flux q in the contact region 16 from the surface part 11a of the ingot 11 to the casting mold 2 is controlled to put a thickness D of a solidification shell 13, resulting from solidification of a molten metal 12, in the contact region 16 into a predetermined range.
摘要翻译：要解决的问题：铸造具有优异铸造表面的铸锭。解决方案：在铸模2和锭11之间的接触区域16中的锭11的表面部分11a中的至少一个和热通量控制从接合区域16的从熔池11的表面部分11a到铸模2的接触区域16的厚度D，使凝固壳13的厚度D由接触区域16中的熔融金属12凝固而成为预定的范围。

6. 发明专利

JP2013212518A Mold for continuous casting of titanium or titanium alloy ingot, and continuous casting device provided with the same 有权
标题翻译：连续铸造钛或钛合金铸件的模具，以及连续铸造的连续铸造装置
公开(公告)号：JP2013212518A
公开(公告)日：2013-10-17
申请号：JP2012083683
申请日：2012-04-02
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： KUROSAWA EISUKE , NAKAOKA TAKEHIRO , TSUTSUMI KAZUYUKI , OYAMA HIDETO , KANEHASHI HIDEKATSU , ISHIDA HITOSHI , TAKAHASHI DAIKI , MATSUWAKA DAISUKE
IPC分类号： B22D11/055 , B22D11/00 , B22D11/04
CPC分类号： B22D11/001 , B22D11/041 , B22D11/055 , B22D11/117 , B22D21/005 , F27D2099/0031
摘要： PROBLEM TO BE SOLVED: To make it possible to cast an ingot with less surface defects.SOLUTION: A mold 2 has a cooler 21 which makes the thermal flux at the four corner parts 2a less than that at the four face parts 2b. The cooler 21 has the first flow channels 22a which are each embedded in the four corner parts 2a, respectively and which channel cooling water, and the second flow channels 22b which are each embedded in the four face parts 2b, respectively and which channel the cooling water. The distance from the inner peripheral surface of the mold 2 to the first flow channels 22a is longer than that from the inner peripheral surface of the mold 2 to the second flow channels 22b.
摘要翻译：要解决的问题：能够铸造具有较少表面缺陷的锭。解决方案：模具2具有使四个角部2a处的热通量小于四个面部2b处的热通量的冷却器21。冷却器21具有分别嵌入在四个角部2a中的第一流动通道22a，并且分别将冷却水和第二流动通道22b分别嵌入在四个面部2b中，并且通道冷却水。从模具2的内周面到第一流路22a的距离比从模具2的内周面到第二流路22b的距离长。

7. 发明专利

JP2013049084A Method and device for continuously casting slab comprising titanium or titanium alloy 有权
标题翻译：用于连续铸造包含钛或钛合金的锡板的方法和装置
公开(公告)号：JP2013049084A
公开(公告)日：2013-03-14
申请号：JP2011189365
申请日：2011-08-31
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： TAKAHASHI DAIKI , ISHIDA HITOSHI , MATSUWAKA DAISUKE , OYAMA HIDETO , KANEHASHI HIDEKATSU , TSUTSUMI KAZUYUKI , NAKAOKA TAKEHIRO
IPC分类号： B22D11/00 , B22D11/04 , B22D11/108
摘要： PROBLEM TO BE SOLVED: To cast a slab with good casting surface.SOLUTION: The charging areas 14 of a flux 9 are provided at both end parts in the long side direction of a casting mold 2 with rectangular cross section. The flux 9 charged from a flux charging apparatus 8 into the charging area 14 is diffused on the whole surface of a molten metal 12. In order to uniform the slowly cooling effect by the flux 9 in the casting mold 2, the amount of the flux 9 per unit time charged into both end parts in the long side direction of the casting mold 2 is made to be larger than that of the flux 9 charged into the central part in the long side direction of the mold 2.
摘要翻译：要解决的问题：铸造具有良好铸造表面的板坯。解决方案：在具有矩形横截面的铸模2的长边方向的两端部设置有焊剂9的充电区域14。从熔剂填充装置8进入充电区域14的焊剂9在熔融金属12的整个表面上扩散。为了使流延模具2中的焊剂9缓慢冷却效果均匀化，焊剂的量使得在铸模2的长边方向上的两端部装填的每单位时间9大于在模具2的长边方向上装入中心部的焊剂9的大小。版权所有：（C）2013，JPO＆INPIT

8. 发明专利

JP2014140881A Continuous casting method for ingot made of titanium or titanium alloy 审中-公开
标题翻译：连续铸造钛或钛合金铸造方法
公开(公告)号：JP2014140881A
公开(公告)日：2014-08-07
申请号：JP2013012034
申请日：2013-01-25
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： NAKAOKA TAKEHIRO , KUROSAWA EISUKE , TSUTSUMI KAZUYUKI , OYAMA HIDETO , KANEHASHI HIDEKATSU , ISHIDA HITOSHI , TAKAHASHI DAIKI , MATSUWAKA DAISUKE
IPC分类号： B22D11/041 , B22D11/00 , B22D11/16 , B22D41/015 , B22D45/00
CPC分类号： B22D11/001 , B22D11/041 , B22D11/103 , B22D11/117 , B22D11/16 , B22D21/005 , B22D27/02 , B22D27/04
摘要： PROBLEM TO BE SOLVED: To enable casting of an ingot in a proper casting surface state.SOLUTION: In the case where a temperature of a casting mold 2, measured by any one of thermocouples 21, is lower than a target temperature, output of a plasma torch 7 is increased when the plasma torch 7 gets close to an installation location for the thermocouple 21. On the other hand, in the case where the temperature of the casting mold 2, measured by any one of the thermocouples 21, is higher than the target temperature, the output of the plasma torch 7 is decreased when the plasma torch 7 gets close to the installation location for the thermocouple 21.
摘要翻译：要解决的问题：能够在适当的铸造表面状态下铸造铸锭。解决方案：在由热电偶21中的任何一个测量的铸模2的温度低于目标温度的情况下，当等离子体焰炬7接近于热电偶21的安装位置时，等离子体焰炬7增加。另一方面，在由任何一个热电偶21测量的铸模2的温度高于当等离子体焰炬7接近于热电偶21的安装位置时，目标温度，等离子体焰炬7的输出减小。

9. 发明专利

JP2013112587A METHOD FOR PRODUCING HIGH-PURITY METALLIC Si 审中-公开
标题翻译：生产高纯金属Si的方法
公开(公告)号：JP2013112587A
公开(公告)日：2013-06-10
申请号：JP2011262063
申请日：2011-11-30
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： MATSUWAKA DAISUKE , ISHIDA HITOSHI , SAKAMOTO KOICHI , YASUNAKA HIROYUKI , ONISHI YOSHIHIKO
IPC分类号： C01B33/025
CPC分类号： C01B33/025
摘要： PROBLEM TO BE SOLVED: To provide a method for producing high-purity metallic Si, by which high-purity metallic Si to be a raw material for manufacturing solar cells and chemical products can be produced without decreasing a yield of the produced metallic Si or without decreasing the working efficiency.SOLUTION: The method for producing metallic Si 9 comprises: feeding a raw material 7 to an arc furnace 1, the raw material comprising silicon ore having SiO2 as a main component and a reducing agent containing SiC and a carbon-based reducing agent; and reducing the SiO2. When the total amount of the reducing agent is set to 100%, the amount of SiC in the reducing agent is controlled to 20 to 80% in terms of a molar ratio, and the balance is the carbon-based reducing agent. Further, the total amount of P and B included in the reducing agent is controlled to 20 ppm by mass or lower.
摘要翻译：要解决的问题：提供一种生产高纯度金属Si的方法，通过该方法可以生产作为用于制造太阳能电池和化学产品的原料的高纯度金属Si而不降低生产的金属的产率 Si或不降低工作效率。解决方案：用于制造金属Si 9的方法包括：将原料7供给到电弧炉1，所述原料包含以SiO 2为主成分的硅矿和含有SiC的还原剂和碳类还原剂 ; 并减少SiO2。当还原剂的总量设定为100％时，还原剂中的SiC的量以摩尔比计为20〜80％，余量为碳类还原剂。此外，还原剂中包含的P和B的总量控制在20质量ppm以下。版权所有（C）2013，JPO＆INPIT

10. 发明专利

JP2013081980A Method and apparatus for continuously casting slab made of titanium or titanium alloy 有权
标题翻译：连续铸造钛或钛合金制品的方法和装置
公开(公告)号：JP2013081980A
公开(公告)日：2013-05-09
申请号：JP2011222839
申请日：2011-10-07
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： TAKAHASHI DAIKI , ISHIDA HITOSHI , MATSUWAKA DAISUKE , OYAMA HIDETO , KANEHASHI HIDEKATSU , TSUTSUMI KAZUYUKI , NAKAOKA TAKEHIRO
IPC分类号： B22D11/00 , B22D11/11 , B22D21/06 , B22D27/04
摘要： PROBLEM TO BE SOLVED: To efficiently cast a slab with an excellent casting surface state.SOLUTION: The surface of molten metal 12 in a casting mold 2 is heated by a plasma torch 7. The plasma torch 7 is controlled so that the quantity of heat per unit time to both ends in the long side direction of the casting mold 2 is more than that per unit time to the center part in the long side direction.

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