专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

21. 发明公开

EP0372918A3 Silicon powder and method for its production 失效
标题翻译：硅粉及其生产方法
公开(公告)号：EP0372918A3
公开(公告)日：1991-07-24
申请号：EP89312694.6
申请日：1989-12-06
申请人： ELKEM A/S
发明人： Forwald, Karl , Sorli, Oyvind , Schüssler, Gunnar
IPC分类号： C01B33/025
CPC分类号： C01B33/025 , C01B33/02 , C07F7/16
摘要： The present invention relates to a silicon powder, which is characterised in that it is produced by gas atomizing of molten silicon and having a particle size between 0.1 and 1000 µm, a specific area between 0.001 and 1 m²/g, and the following chemical composition in percent by weight:
0.1 - 1% iron, 0.01 - 1% aluminium, 0 - 8% copper, 0 - 1% calcium, 0 - 1% zinc, 0 - 1% tin, 0 - 5% boron, 0 - 0.5% phosphorus, 0 - 0.5% sodium, 0 - 0.5% lithium, 0 - 0.5% potassium, 0 - 0.5% magnesium, 0 - 0.5% strontium, 0 - 0.5% barium, 0 - 0.5% beryllium, the rest being silicon and less than 0.3% impurities as Ti, V, Cr, Mo, W and Zr. The silicon powder is produced continuously by a method comprising the following steps:
a) continuous production of silicon in an electric smelting furnace, b) refining and alloying of the molten silicon in a metal treatment vessel, c) continuous supply of molten silicon from the metal treatment vessel to a holding furnace, d) continuous supply of molten silicon to a closed atomising apparatus wherein the molten silicon is atomised by means of an inert gas supplied from a pressure vessel or a compressor unit, e) continuous removal of atomised silicon powder from the atomising apparatus, f) separation of atomised silicon powder and inert gas in a solid/gas separator, g) screening of the silicon powder into preset particle size fractions, h) supply of the different particle size fractions of silicon powder to closed product silos, i) filtration of the inert gas from step f) for removing any remaining solid particles from the inert gas, j) cooling and compressing the inert gas from step i) and recycling of the compressed inert gas to the pressure vessel or directly to the atomising apparatus.

22. 发明公开

EP0354038A3 Cover for tiltable ladle 失效
标题翻译：可折叠的女士包
公开(公告)号：EP0354038A3
公开(公告)日：1990-05-02
申请号：EP89307903.8
申请日：1989-08-03
申请人： ELKEM A/S
发明人： White, Douglas S.
IPC分类号： C21C1/10 , C22C33/10 , B22D41/04
CPC分类号： C21C1/10 , B22D41/04
摘要： A cover for a tiltable ladle (1) . The cover has a pouring basin (14) with an opening (25) in its bottom communicating with the ladle (1). The cover is suspended from the horizontal beam (16) of a ladle support frame (14) by spring (23, 24). The springs (23, 24) are arranged to lift the cover away from the top of the ladle when the pouring basin (14) is empty.

23. 发明公开

EP0354036A2 Tiltable ladle assembly 失效
标题翻译： Ausrüstungfüreine Kipppfanne。
公开(公告)号：EP0354036A2
公开(公告)日：1990-02-07
申请号：EP89307901.2
申请日：1989-08-03
申请人： ELKEM A/S
发明人： White, Douglas S.
IPC分类号： C21C7/00 , B22D1/00 , B22D41/04
CPC分类号： B22D41/04 , C21C1/10
摘要： A tiltable ladle for molten metals, having a cover (11) and a suspension frame comprising two lifting arms (5, 6) rotatably connected to trunnions (7, 8) fixed to the outside wall of the ladle (1) and a horizontal beam (9) above the ladle equipped with a hook (10). The top of the ladle and the ladle cover are formed as segments of a cylinder, which have a common axis. The common axis of these cylinder segments may coincide with the pivotal axis of the ladle (1) or may be spaced from it. The cover (11) is affixed to the suspension frame.
摘要翻译：一种用于熔融金属的可倾斜钢包，具有盖（11）和悬架，该悬挂框架包括可旋转地连接到固定到钢包（1）的外壁上的耳轴（7,8）的两个提升臂（5,6）和一个水平横梁（9）在装有钩（10）的钢包上方。钢包和钢包盖的顶部形成为具有共同轴线的气缸的段。这些气缸段的公共轴线可以与钢包（1）的枢转轴线重合或者可以与其间隔开。盖（11）固定在悬架上。

24. 发明授权

EP0092652B1 Apparatus for treating molten metal and method for refining steel melts 无效
标题翻译：用于处理金属的装置和用于精炼钢铁的方法
公开(公告)号：EP0092652B1
公开(公告)日：1987-09-16
申请号：EP83101427.9
申请日：1983-02-15
申请人： Elkem A/S
发明人： Tivelius, Bertil
IPC分类号： C21C7/00 , C21C7/06 , C21C7/064
CPC分类号： C21C7/0685 , C21C7/0037

25. 发明公开

EP0092652A1 Apparatus for treating molten metal and method for refining steel melts 无效
标题翻译：一种用于处理熔融金属的方法和用于净化钢熔体。
公开(公告)号：EP0092652A1
公开(公告)日：1983-11-02
申请号：EP83101427.9
申请日：1983-02-15
申请人： Elkem A/S
发明人： Tivelius, Bertil
IPC分类号： C21C7/00 , C21C7/06 , C21C7/064
CPC分类号： C21C7/0685 , C21C7/0037
摘要： An apparatus for treating molten metal comprises a ladle and a hood (4) with a heat shield (6) which essentially covers the ladle completely, where a gap (9) is left between the heat shield and the upper edge (8) of the ladle. A screen (10) extends over and underneath the said gap so that a circumferential opening (16) is formed between the screen and the ladle underneath the gap, said circumferential opening defining an inlet opening for ambient air to a chamber (17) under said screen. At least one lance is provided for introducing at least gas into the melt in the ladle and/or to the ladle chamber above the molten metal, and at least one exhaust pipe (18) communicates with the chamber (17) under the said screen for sucking out exhaust gases which pass from the ladle chamber (26) out into the said space (17) through the said gap (9), and also air which is sucked from the ambient atmosphere into the said space (17) mainly through the circumferential opening (16) between the screen and the outside of the ladle. At least one aperture (19 - 22) is provided in the hood for at least one lance (23, 25) which can be lowered into the ladle chamber underneath the heat shield and/or into the melt in the ladle. The apparatus makes it possible to refine steel melts for production of steel with extremely low oxygen content according to a method adapted to the apparatus.
摘要翻译：用于处理熔融金属的设备包括一个铸桶和一个罩（4）用热屏蔽（6），其基本上覆盖所述钢包完全呼叫，其中，所述热屏蔽件和上边缘之间留下的间隙（9）（8）的舀。屏幕（10）上延伸和下面的所述间隙所以没有一个圆周开口（16）的屏幕和间隙下方的钢包之间形成，所述圆周开口限定入口开口，用于环境空气到所述下一个腔室（17）屏幕。至少一个喷枪提供了一种用于将至少气体进入熔体在钢包和/或向熔融金属上方的铸桶腔室，和至少一个排气管（18）与所述室（17）的所述屏幕下进行通信吸出从所述铸桶腔室（26）通过排气出到所述空间（17）穿过所述间隙（9），因此，空气的所有其从环境气氛进入所述空间（17）吸入的主要是通过在圆周屏幕和浇包的外部之间的开口（16）。至少一个孔（19-22）设置在所述罩提供了一种用于至少一个喷枪（23，25），其可被降低到浇包室中的防热罩的下方和/或进入在钢包熔体中。该装置使得能够细化钢熔化用于生产钢的具有极低的氧含量gemäß的方法angepasst到装置。

26. 发明公开

EP0734361A1 CEMENT-BASED INJECTION GROUT 失效
标题翻译：注射MUD对水泥BASIS
公开(公告)号：EP0734361A1
公开(公告)日：1996-10-02
申请号：EP95903466.0
申请日：1994-12-07
申请人： ELKEM A/S
发明人： DINGSOYR, Eldar, O. , FIDJESTOL, Per , JORGENSEN, Oddny
IPC分类号： C04B7 , C04B28 , C09K17
CPC分类号： C09K17/10 , C04B7/527 , C04B28/02 , C04B2111/00482 , C04B2111/00732 , C04B2111/27 , C04B2111/70 , C04B2111/72 , C04B14/062 , C04B2103/302
摘要： The present invention relates to a cement-based injection grout containing microcement and water for consolidation and/or water proofing fine granular soils, finally fissured soils and cracks in rocks or concrete structures. In addition to microcement and water the grout contains amorphous silica particles in an amount of 5 - 70 % based on the weight of cement and 0 - 10 % water-reducing agents based on the weight of the cement, said grout having a weight ratio between water and cement + amorphous silica between 2 and 8.

27. 发明公开

EP0711413A1 METHOD FOR DIRECT CHEMICAL ANALYSIS OF MOLTEN METAL 失效
标题翻译：程序熔融金属直接分析
公开(公告)号：EP0711413A1
公开(公告)日：1996-05-15
申请号：EP94922394.0
申请日：1994-06-21
申请人： ELKEM A/S
发明人： EIVINDSON, Torkild
IPC分类号： G01N21 , G01N33
CPC分类号： G01N21/33 , G01N33/206
摘要： The invention relates to a method for quantitative analysis of one or more elements in a molten metal bath. Light from one or more light sources are focused against the surface of the molten bath and is reflected from the surface of the metal bath to a monochromator or a polychromator connected to detectors for detecting absorbed light in a gas layer associated with the melt of a wavelength or wavelengths corresponding to the element or elements to be analyzed. The absorbtion signals are proportional to the atom- or molecular density of the components to be analyzed and a function of the thickness of the gas layer and the concentration of the element or elements in the molten metal bath. The concentration of the elements to be analyzed is the calculated based or known relations between absorption signal, the thickness of the gas layer and the temperature of the metal bath.

28. 发明授权

EP0354039B1 Inoculant dispensing apparatus for molted metal ladle 失效
标题翻译： INOCULANT分配设备用于金属色拉手
公开(公告)号：EP0354039B1
公开(公告)日：1993-04-14
申请号：EP89307904.6
申请日：1989-08-03
申请人： ELKEM A/S
发明人： Harma, Pertti
IPC分类号： C21C1/10 , C22C33/10
CPC分类号： C22C33/10 , C21C1/10

29. 发明公开

EP0434274A3 Injectable grout 失效
标题翻译：注意GROUT
公开(公告)号：EP0434274A3
公开(公告)日：1992-05-06
申请号：EP90313413.8
申请日：1990-12-11
申请人： ELKEM A/S
发明人： Dingsoyr, Eldar O.
IPC分类号： C09K17/00 , C04B28/18 , E21B33/13 , C04B43/22 , E21B43/02
CPC分类号： C04B28/18 , C04B2111/00732 , C04B2111/27 , C04B2111/70 , C09K8/572 , C09K17/08 , C04B2103/10 , C04B22/0093 , C04B14/062 , C04B22/064 , C04B2103/30
摘要： The present invention relates to an injectable grout for consolidation and/or waterproofing of fissured soil or rock and comprises slaked lime, microsilica and water. The grout further contains 10 to 100% of an alkali metal aluminate, based on the weight of slaked lime, as a curing accelerator.
摘要翻译：本发明涉及一种用于将裂缝土或岩石固结和/或防水的可注射浆料，包括熟石灰，微硅粉和水。作为固化促进剂，该浆料还含有10至100％的碱金属铝酸盐，基于熟石灰的重量。

30. 发明公开

EP0406000A2 Polysiloxane oils and process for their preparation 失效
标题翻译： Polysiloxanöleund Verfahren zu ihrer Herstellung。
公开(公告)号：EP0406000A2
公开(公告)日：1991-01-02
申请号：EP90307129.8
申请日：1990-06-29
申请人： ELKEM A/S
发明人： Timms, Peter Leslie , Rowlands, William Neil
IPC分类号： C08G77/06
CPC分类号： C08G77/06 , C08G77/04 , C08G77/24
摘要： A process for producing a polysiloxane oil with aryl groups and oxygen atoms as co-substituents on the silicon atoms. Silicon monoxide gas is reacted under a vacuum with iodine and an aromatic compound such as toluene in solution at a low temperature in the region of -75°C to -95°C.
摘要翻译：一种在硅原子上制备具有芳基和氧原子作为共取代基的聚硅氧烷油的方法。一氧化碳气体在-75℃至-95℃的低温下在真空下与碘和芳族化合物如甲苯在溶液中反应。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式