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1. 发明专利

JP2009263204A Method for producing waterglass 有权
标题翻译：生产水玻璃的方法
公开(公告)号：JP2009263204A
公开(公告)日：2009-11-12
申请号：JP2008308783
申请日：2008-12-03
申请人： Fuji Kagaku Kk , Nippon Steel Corp , Nippon Steel Materials Co Ltd , 富士化学株式会社 , 新日本製鐵株式会社 , 新日鉄マテリアルズ株式会社
发明人： KONDO JIRO , ONO NOBUYUKI , ONODERA HIROSHI , SAITO TSUTOMU
IPC分类号： C01B33/32 , B09B3/00 , C01B3/08
CPC分类号： C01B3/06 , C01B33/32 , Y02E60/36
摘要： PROBLEM TO BE SOLVED: To provide a method for producing waterglass effectively utilizable as transparent waterglass from a by-product which has been yielded as a by-product in a process for improving the purity of silicon and which contains silicon and includes sodium silicate as a main component.
SOLUTION: The method for producing waterglass is characterized in that a sodium-based by-product which has been yielded as a by-product in a process for improving the purity of silicon and which contains silicon and includes sodium silicate as a main component is dissolved in water to produce crude waterglass and to simultaneously dissolve the silicon and generate hydrogen gas, and thereafter the crude waterglass is filtered to produce waterglass.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种生产水玻璃的方法，该水玻璃有效地用作透明水玻璃，该副产物在作为提高硅纯度且含有硅的方法中作为副产物产生，并且包含钠硅酸盐为主要成分。解决方案：用于生产水玻璃的方法的特征在于，在用于提高硅纯度并且含有硅并且包括硅酸钠作为主要的方法中已经产生副产物的钠基副产物将组分溶于水中以产生粗水玻璃并同时溶解硅并产生氢气，然后将粗水玻璃过滤以产生水玻璃。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2008290897A Method and apparatus for recovering silicon 有权
标题翻译：回收硅的方法和装置
公开(公告)号：JP2008290897A
公开(公告)日：2008-12-04
申请号：JP2007136470
申请日：2007-05-23
申请人： Nippon Steel Corp , Nippon Steel Materials Co Ltd , 新日本製鐵株式会社 , 新日鉄マテリアルズ株式会社
发明人： ONO NOBUYUKI , KONDO JIRO
IPC分类号： C01B33/037 , B03D1/001 , B03D1/02 , B03D1/10 , B09B3/00 , B09B5/00
CPC分类号： Y02W30/20 , Y02W30/827
摘要： PROBLEM TO BE SOLVED: To provide a method and apparatus for recovering silicon by which unwanted materials are effectively removed from silicon-containing waste or a silicon mixture comprising silicon-containing slag generated in silicon production and silicon is efficiently separated and recovered. SOLUTION: The method for recovering silicon includes: a step of disintegrating a silicon mixture by putting the mixture in an alkaline aqueous solution (a) and generating gas from an interface of silicon in the mixture; a step of generating gas around silicon in the disintegrated silicon mixture in an alkaline aqueous solution (b) and allowing silicon to which the gas adheres to float up; and a step of separating and recovering the floating silicon. The apparatus for recovering silicon comprises: at least a device for receiving and feeding a silicon mixture; a decomposition unit with a decomposition tank containing the alkaline aqueous solution (a) for disintegrating the silicon mixture by generating gas from an interface of silicon in the mixture; a flotation separation unit with a flotage tank containing the alkaline aqueous solution (b); and a floating substance recovery unit for separating and recovering silicon floating up in the flotage tank. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于回收硅的方法和装置，其中不需要的材料被有效地从含硅废物中去除，或者包括在硅生产中产生的含硅渣的硅混合物被有效地分离和回收。解决方案：回收硅的方法包括：通过将混合物置于碱性水溶液（a）中并从混合物中的硅界面产生气体来分解硅混合物的步骤; 在碱性水溶液（b）中在崩解硅混合物中在硅周围产生气体并使气体附着的硅浮起的步骤; 以及分离和回收浮置硅的步骤。用于回收硅的装置包括：至少一个用于接收和供给硅混合物的装置; 分解单元，其具有含有碱性水溶液（a）的分解槽，用于通过从混合物中的硅界面产生气体来分解硅混合物; 具有含有碱性水溶液（b）的漂浮槽的浮选分离单元; 以及浮动物质回收单元，用于分离和回收漂浮在浮选槽中的硅。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2009249224A Method for producing sodium silicate solution and method for using sodium silicate solution 有权
标题翻译：生产硅酸钠溶液的方法和使用硅酸钠溶液的方法
公开(公告)号：JP2009249224A
公开(公告)日：2009-10-29
申请号：JP2008098670
申请日：2008-04-04
申请人： Nippon Steel Corp , Nippon Steel Materials Co Ltd , 新日本製鐵株式会社 , 新日鉄マテリアルズ株式会社
发明人： ONO NOBUYUKI , KONDO JIRO
IPC分类号： C01B33/32 , C01B33/037
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a sodium silicate solution, in which a sodium-based by-product can be recycled and the sodium silicate solution having a stable component is produced safely from the sodium-based by-product so that the produced sodium silicate solution can be substituted for at least one chemical selected from a land improving agent, a caking agent when a casting mold is manufactured, a deinking agent for used paper, and a stabilizer of hydrogen peroxide when paper or pulp is bleached.
SOLUTION: The method for producing the sodium silicate solution comprises the steps of: dissolving the sodium-based by-product in water, which is produced as the by-product from a process for improving purity of silicon, contains silicon and is based on sodium silicate; and further dissolving the silicon contained in the sodium-based by-product to generate hydrogen gas and produce the sodium silicate solution.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种钠基副产物的生产方法，其中钠基副产物可以再循环，并且具有稳定组分的硅酸钠溶液由钠基副产物安全地生产，产物，使得所生产的硅酸钠溶液可以代替选自陆地改良剂，制造铸模时的结块剂，废纸的脱墨剂和纸或纸浆中的过氧化氢稳定剂中的至少一种化学品被漂白解决方案：制备硅酸钠溶液的方法包括以下步骤：将钠基副产物溶解在水中，其作为副产物从提高纯度的方法产生，含有硅，并且是基于硅酸钠; 并进一步溶解包含在钠基副产物中的硅以产生氢气并产生硅酸钠溶液。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2012037195A Heating melting furnace, and heating melting method 审中-公开
标题翻译：加热熔炼炉和加热熔炼方法
公开(公告)号：JP2012037195A
公开(公告)日：2012-02-23
申请号：JP2010180012
申请日：2010-08-11
申请人： Nippon Steel Materials Co Ltd , 新日鉄マテリアルズ株式会社
发明人： KONDO JIRO , GOTO KIYOSHI , DONOMAE HITOSHI , KISHIDA YUTAKA , OHASHI WATARU
IPC分类号： F27B14/08 , C30B15/02 , F27B14/10 , F27B14/14 , F27D27/00 , H05B3/00
摘要： PROBLEM TO BE SOLVED: To provide a heating melting furnace capable of preventing an inner face of a crucible from being unevenly ground due to rotation of a melted matter when magnetic field generated by electric current flowing in a resistance heater, acts on the melted matter, in the melting furnace for heating the melted matter by the resistance heater, and to provide a heating melting method using the same.SOLUTION: This heating melting furnace in which the resistance heater is disposed at an outer side of an outer wall surface of the crucible, and the melted matter received in the crucible, is rotated along an inner wall side surface of the crucible by being affected by the magnetic field generated from the resistance heater, includes a mechanism for reversing the rotating direction of the melted matter, so that the rotating direction of the melted matter can be reversed at a desired timing. In this heating melting method, the heating melting furnace is used, and the rotating direction of the melted matter can be reversed at the desired timing.
摘要翻译：要解决的问题：提供一种加热熔融炉，其能够在由电阻加热器中流过的电流产生的磁场时由于熔融物质的旋转而防止坩埚的内表面不均匀地起作用在熔融炉中熔化的物质，通过电阻加热器加热熔融物质，并提供使用其的加热熔融法。解决方案：这种加热熔化炉，其中电阻加热器设置在坩埚的外壁表面的外侧，并且容纳在坩埚中的熔融物质沿着坩埚的内壁侧表面旋转，通过受到由电阻加热器产生的磁场的影响，包括用于使熔融物质的旋转方向反转的机构，使得熔融物质的旋转方向可以在期望的时刻反转。在该加热熔融法中，使用加热熔融炉，熔融物质的旋转方向可以在期望的时刻反转。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2007191345A Mold for solidifying silicon having parting material 有权
标题翻译：用于固化具有分层材料的硅的模具
公开(公告)号：JP2007191345A
公开(公告)日：2007-08-02
申请号：JP2006010509
申请日：2006-01-18
申请人： Nippon Steel Materials Co Ltd , 新日鉄マテリアルズ株式会社
发明人： KONDO JIRO , HIYOSHI MASATAKA , DONOMAE HITOSHI , KISHIDA YUTAKA
IPC分类号： C01B33/02 , B22C3/00
摘要： PROBLEM TO BE SOLVED: To provide a mold for solidifying silicon which has a parting material with different thicknesses applied to the mold, and enables a solidified silicon lump to be satisfactorily parted from the mold. SOLUTION: The mold for solidifying silicon is characterized in that the parting material in a region contacted with the upper surface of molten silicon at the inside face of a mold for solidifying silicon or in the corner region of a built-up mold is made thicker than that of the other region, thus a solidified silicon lump can be extremely satisfactorily separated from the mold. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于固化硅的模具，其具有施加到模具上的不同厚度的分型材料，并且能够令人满意地从模具中分离出固化的硅团块。解决方案：用于固化硅的模具的特征在于，在用于固化硅的模具的内表面或组合模具的拐角区域中与熔融硅的上表面接触的区域中的分离材料是比其他区域厚，因此可以非常令人满意地从模具中分离出固化的硅团块。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2007191344A Refractory for molten silicone and its manufacturing method 有权
$Refractory for molten silicone and its manufacturing method$
标题翻译：氟硅胶及其制造方法
公开(公告)号：JP2007191344A
公开(公告)日：2007-08-02
申请号：JP2006010508
申请日：2006-01-18
申请人： Nippon Steel Materials Co Ltd , 新日鉄マテリアルズ株式会社
发明人： HIYOSHI MASATAKA , KONDO JIRO , DONOMAE HITOSHI
IPC分类号： C01B33/02 , B22D25/04 , B22D41/02 , C04B35/14
摘要： PROBLEM TO BE SOLVED: To provide a refractory for molten silicon, which is used in a portion to be in contact with molten silicon, has a contact surface strong against molten silicon and excellent thermal shock resistance and prevents the deposition and impregnation of molten silicon and from which impurities are not diffused into molten silicon and to provide a method for manufacturing the refractory for molten silicon.
SOLUTION: The refractory for molten silicon, which is used in the portion to be in contact with molten silicon, consists substantially of silica glass and a phenolic resin-cured material. The method for manufacturing the refractory to be used in the portion to be in contact with molten silicon comprises a step of thermally curing a refractory material, which is obtained by mixing a phenolic resin with silica glass, at 200-250°C.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供与熔融硅接触的部分中使用的熔融硅的耐火材料，具有对熔融硅强的接触表面和优异的耐热冲击性，并且防止沉积和浸渍熔融硅，并且杂质不会从其中扩散到熔融硅中，并提供制造熔融硅耐火材料的方法。解决方案：在与熔融硅接触的部分中使用的熔融硅耐火材料基本上由石英玻璃和酚醛树脂固化材料构成。在用于与熔融硅接触的部分中使用的耐火材料的制造方法包括在200-250℃下将通过将酚醛树脂与石英玻璃混合而获得的耐火材料热固化的步骤。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2007191347A Method for producing high purity silicon 有权
标题翻译：生产高纯度硅的方法
公开(公告)号：JP2007191347A
公开(公告)日：2007-08-02
申请号：JP2006010516
申请日：2006-01-18
申请人： Nippon Steel Materials Co Ltd , 新日鉄マテリアルズ株式会社
发明人： OKAJIMA MASAKI , OKAZAWA KENSUKE , TOKUMARU SHINJI , KONDO JIRO
IPC分类号： C01B33/037
摘要： PROBLEM TO BE SOLVED: To provide a method for producing high purity silicon by which boron is is removed from silicon in order to provide the high purity silicon useful for the production of a solar battery or the like, and also by which the efficiency of a reaction for removing boron is enhanced and the durability of a vessel used for the reaction is improved.
SOLUTION: In the method for producing the high purity silicon by removing boron contained in silicon by adding one or both of a carbonate of an alkali metal and hydrate of the carbonate and SiO
2 into a vessel stored with molten silicon to form slag, a vessel made of an oxidation-resistant and non-electroconductive material is used as the vessel used for the boron removing reaction, and the molten silicon is directly heated by an induction heating means while cooling the vessel from outside.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于生产高纯度硅的方法，通过该方法从硅中除去硼，以提供可用于生产太阳能电池等的高纯度硅，用于除去硼的反应的效率提高，并且用于反应的容器的耐久性得到改善。解决方案：在通过添加碱金属的碳酸盐和碳酸盐的水合物和SiO 2 中的一种或两种来除去硅中所含的硼来制造高纯度硅的方法中，与熔融硅一起存储以形成炉渣，使用由抗氧化和非导电材料制成的容器作为用于除硼反应的容器，并且通过感应加热装置将熔融硅直接加热，同时将容器从外。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2007191343A Mold for solidifying silicon and its manufacturing method 有权
标题翻译：用于固化硅的模具及其制造方法
公开(公告)号：JP2007191343A
公开(公告)日：2007-08-02
申请号：JP2006010507
申请日：2006-01-18
申请人： Nippon Steel Materials Co Ltd , 新日鉄マテリアルズ株式会社
发明人： HIYOSHI MASATAKA , KONDO JIRO , DONOMAE HITOSHI
IPC分类号： C01B33/02 , B22C1/00 , B22C1/22 , B22C3/00
摘要： PROBLEM TO BE SOLVED: To provide a mold for solidifying silicon, in which the sticking of silicon can be prevented without arranging a release layer and such a risk that impurities are mixed in silicon can be eliminated at the same level as that to be reached when a quartz-made mold or a graphite-made mold is used and which can be obtained easily in a short period and to provide a method for manufacturing the mold for solidifying silicon.
SOLUTION: The mold for solidifying silicon, which is used when a silicon-melted liquid is solidified, has a mold main body consisting substantially of silica glass and a phenolic resin-cured material. The method for manufacturing the mold for solidifying silicon comprises a step of: heating a molding material, which is obtained by mixing a phenolic resin with silica glass, at 200-250°C to thermally cure the phenolic resin in the molding material and obtain the mold main body having a predetermined shape.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于固化硅的模具，其中可以防止硅的粘附而不布置剥离层，并且可以消除在硅中混入杂质的风险与以下相同的水平：当使用石英模具或石墨制造的模具并且可以在短时间内容易地获得并提供用于制造用于固化硅的模具的方法时达到。解决方案：当硅熔化液固化时使用的固化硅模具具有主要由二氧化硅玻璃和酚醛树脂固化的材料组成的模具主体。用于固化硅的模具的制造方法包括以下步骤：在200-250℃下加热通过将酚醛树脂与石英玻璃混合而获得的成型材料，以将模塑材料中的酚醛树脂热固化，得到模具主体具有预定的形状。版权所有（C）2007，JPO＆INPIT

9. 发明专利

JP2007191342A Apparatus and method for purifying silicon 有权
标题翻译：用于净化硅的装置和方法
公开(公告)号：JP2007191342A
公开(公告)日：2007-08-02
申请号：JP2006010506
申请日：2006-01-18
申请人： Nippon Steel Materials Co Ltd , 新日鉄マテリアルズ株式会社
发明人： DONOMAE HITOSHI , KONDO JIRO , OKAJIMA MASAKI
IPC分类号： C01B33/037
摘要： PROBLEM TO BE SOLVED: To provide an apparatus and a method for purifying silicon which is composed of a comparatively simple and inexpensive apparatus, has remarkably high removal speed for P, and can separate and remove impurities such as P in a raw material silicon industrially, easily and inexpensively, and by which high-purity silicon useful for a solar cell or the like can be manufactured commercially.
SOLUTION: The apparatus is equipped with a chamber having pressure reduced to a prescribed value or less by a pressure-reducing means, a crucible for housing silicon installed in the chamber under reduced pressure, and a heating means for heating silicon in the crucible, where silicon is heated and melted under reduced pressure and impurities in the molten silicon are separated and removed by evaporation. The apparatus is equipped with a ripple induction means for enlarging the liquid surface area of the molten silicon. This apparatus is used for the method for purifying silicon.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决的问题：为了提供一种由相对简单且廉价的装置组成的硅纯化装置和方法，对P的去除速度非常高，可以在原料中分离除去P等杂质工业上容易且廉价的硅，可以商业制造用于太阳能电池等的高纯度硅。解决方案：该装置配备有通过减压装置将压力降低到规定值以下的室，用于在减压下容纳安装在室中的硅的坩埚，以及用于在室内加热硅的加热装置坩埚，其中硅在减压下被加热和熔融，并且通过蒸发分离和去除熔融硅中的杂质。该装置配备有用于扩大熔融硅的液面的脉动感应装置。该装置用于纯化硅的方法。版权所有（C）2007，JPO＆INPIT

10. 发明专利

JP2007191341A Method for refining silicon 有权
标题翻译：精制硅的方法
公开(公告)号：JP2007191341A
公开(公告)日：2007-08-02
申请号：JP2006010417
申请日：2006-01-18
申请人： Nippon Steel Materials Co Ltd , 新日鉄マテリアルズ株式会社
发明人： OKAZAWA KENSUKE , OKAJIMA MASAKI , KONDO JIRO
IPC分类号： C01B33/037 , H01L31/04
CPC分类号： Y02E10/50
摘要： PROBLEM TO BE SOLVED: To provide a method for improving the effect to remove the B in silicon by adding an additive to a slag material, which improves the migration speed of B in silicon to the slag and suppresses the recovery of B. SOLUTION: The method is for highly refining silicon by adding an oxide or a carbonate of an alkali metal or an oxide or a carbonate of an alkaline-earth metal and a material for slag comprising SiO 2 or Al 2 O 3 to a molten silicon and forming a slag layer on the molten silicon, characterized in that a mixture consisting of a carbon-based substance and a material for slag is added on the molten silicon. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种通过向炉渣材料添加添加剂来提高除去硅中的B的效果的方法，其提高了硅中的B向渣的迁移速度并抑制了B的回收。解决方案：该方法是通过添加碱金属或碱土金属的氧化物或碳酸盐的氧化物或碳酸盐以及包含SiO 2 SBS的炉渣的材料来高度精炼硅。或Al 2 3 熔融硅，并在熔融硅上形成渣层，其特征在于由碳基物质和炉渣材料组成的混合物加入到熔融硅上。版权所有（C）2007，JPO＆INPIT

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