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51. 发明专利

JP2010029894A Refractory for interlayer of nozzle for continuous casting and nozzle for continuous casting 有权
$Refractory for interlayer of nozzle for continuous casting and nozzle for continuous casting$
标题翻译：用于连续铸造的喷嘴和连续喷射喷嘴的中间层的耐火材料
公开(公告)号：JP2010029894A
公开(公告)日：2010-02-12
申请号：JP2008193730
申请日：2008-07-28
申请人： Kurosaki Harima Corp , Nippon Steel Corp , 新日本製鐵株式会社 , 黒崎播磨株式会社
发明人： MORIKAWA KATSUMI , SASAKI AKINARI , HIRAIWA YOSHITAKA , NEHA KEIICHIRO , SADANO KENJI , FUKUNAGA SHINICHI , TANAKA KAZUHISA
IPC分类号： B22D11/10 , B22D41/50 , B22D41/54
摘要： PROBLEM TO BE SOLVED: To provide a refractory (mortar) for an interlayer of a nozzle for continuous casting, which prevents press crack of an outer circumferential side layer due to thermal expansion difference of an inner hole side layer and the outer circumferential side layer made of a body material and has a shape capable of fixing the inner hole side layer to the outer circumferential side layer (a body of the nozzle for continuous casting) at a predetermined interval in the nozzle for continuous casting with an improved durability achieved by disposing a layer with high functions such as high corrosion resistance and high antiadhesiveness at the inner hole side, and also to provide a nozzle for continuous casting using the refractory for the interlayer.
SOLUTION: The refractory for the interlayer of the nozzle for continuous casting contains ≥10 volume% and ≤75 volume% of a hollow refractory aggregate which satisfies the relation of R/t≥10, wherein R is an average radius of a particle and t is an average wall thickness. The refractory is arranged between the inner hole side layer 2 and the outer circumferential side layer 3, 4 of the nozzle for continuous casting as the interlayer 1.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供用于连续铸造的喷嘴的中间层的耐火材料（砂浆），其防止由于内部空气侧层和外周侧层的热膨胀差引起的外周侧层的冲压并且具有能够以提高的耐久性在连续铸造用喷嘴中以预定间隔将内孔侧层固定到外周侧层（用于连续铸造的喷嘴的主体）的形状通过在内孔侧设置具有高耐腐蚀性和高抗粘性等高功能的层，并且还提供使用中间层的耐火材料进行连续铸造的喷嘴。解决方案：用于连续铸造用喷嘴的中间层的耐火材料包含满足R /t≥10的关系的中空耐火骨料的≥10体积％和≤75体积％，其中R是平均半径颗粒和t是平均壁厚。耐火材料布置在作为中间层1的连续铸造用喷嘴的内孔侧层2和外周侧层3,4之间。（C）2010，JPO＆INPIT

52. 发明专利

JP2009066620A Continuous casting method of steel 有权
标题翻译：钢的连续铸造方法
公开(公告)号：JP2009066620A
公开(公告)日：2009-04-02
申请号：JP2007237611
申请日：2007-09-13
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： FUJI TAKEHIKO , TANI MASAHIRO , TANAKA KAZUHISA , FUKUNAGA SHINICHI
IPC分类号： B22D11/11 , B22D11/04 , B22D11/10 , B22D11/115
摘要： PROBLEM TO BE SOLVED: To improve the quality of a cast slab than before by reducing bubbles of Ar gas and enclosures included in the cast slab produced by the continuous casting.
SOLUTION: A static magnetic field 31 having the magnetic flux density B
B
2 satisfying the expression (1), B
B
2 ≥C
0 Q/A, is applied to the discharge flow 9 to be discharged from an immersed nozzle 7. The bubbles 10 of Ar gas and the enclosures 11 are floated upward by the opposed flow 33 caused by the static magnetic field 31. At the same time, the AC magnetic field 21 having the magnetic flux density B
E
2 satisfying the expression (2), B
E
2 ≥C
1 B
B
2 Q/A (excepting B
B =0 and B
E =0), is applied to the discharge flow 9, and the bubbles 10 of Ar gas and the enclosures 11 to be flowed up together with the opposed flow 33 are flowed toward the center of the casting mold 2 by the agitating flows 24, 25 caused by the AC magnetic field 21, where B
B shows the magnetic flux density (T) in the static magnetic field 31; B
E shows the magnetic flux density (T) in the AC magnetic field 21; Q shows a mass flow (kg/s) of the molten steel 3, "A" shows the total sum of the cross sectional area (m
2 ) of discharge ports 8, and C
0 and C
1 show constants respectively.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了通过减少连续铸造生产的铸坯中包含的Ar气体和外壳的气泡，提高铸坯的质量。解决方案：具有满足式（1），B B SP的磁通密度B 2 的静磁场31 > 2 ≥C 0 Q / A被施加到排出流9以从浸入喷嘴7排出.Ar气体和外壳11的气泡10向上浮动由静态磁场31引起的相对流33.同时，具有满足式（2）的磁通密度B 2 的交流磁场21，，B 2 ≥C 1 B B 2 Q / A B B = 0，B E = 0）施加到排出流9，Ar气体和外壳11的气泡10将与相反的流动33通过由AC磁场21引起的搅动流24,25流向铸模2的中心，其中B B 表示静态的磁通密度（T）磁场31; B E 表示交流磁场21中的磁通密度（T）; Q表示钢水3的质量流量（kg / s），“A”表示排出口8的横截面积（m 2 ）和C 0的总和和C 1 分别显示常数。版权所有（C）2009，JPO＆INPIT

53. 发明专利

JP2008297163A Monolithic refractory and method for manufacturing refractory 有权
$Monolithic refractory and method for manufacturing refractory$
标题翻译：单晶耐火材料及其制造方法
公开(公告)号：JP2008297163A
公开(公告)日：2008-12-11
申请号：JP2007146055
申请日：2007-05-31
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： MATSUI TAIJIRO , ITO SATOSHI , FUKUNAGA SHINICHI , IMAWAKA HIROSHI
IPC分类号： C04B35/66 , B28B1/14 , F27D1/00 , F27D1/16
摘要： PROBLEM TO BE SOLVED: To provide a high-strength monolithic refractory which can achieve the high-strength reinforcing effect by metallic fibers and the uniformity of a construction body by suppressing the generation of a gap in construction work, and to provide a method for manufacturing a refractory. SOLUTION: The monolithic refractory is obtained by further adding ≤10 parts by mass of moisture exclusively, based on 100 parts by mass of a refractory aggregate to an aggregate comprising ≥20 to ≤60 parts by mass of metallic aggregate and ≥40 to ≤80 parts by mass of the refractory aggregate having a maximum particle diameter of ≤0.85 mm. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够通过抑制建筑工作中的间隙的产生而实现金属纤维的高强度增强效果和结构体的均匀性的高强度整体耐火材料，并且提供一种耐火材料的制造方法。解决方案：通过将100质量份的耐火骨料相对于金属骨料的≥20〜≤60质量份的骨料进一步添加≤10质量份的水分，并且≥40 至≤80质量份的最大粒径≤0.85mm的耐火骨料。版权所有（C）2009，JPO＆INPIT

54. 发明专利

JP2008254002A FLUX FOR CONTINUOUS CASTING OF STAINLESS STEEL CONTAINING Ti, AND CONTINUOUS CASTING METHOD USING THE SAME 有权
标题翻译：用于连续铸造含有Ti的不锈钢的通孔，以及使用其的连续铸造方法
公开(公告)号：JP2008254002A
公开(公告)日：2008-10-23
申请号：JP2007095817
申请日：2007-03-31
申请人： Nippon Steel & Sumikin Metal Products Co Ltd , Nippon Steel Corp , 新日本製鐵株式会社 , 日鐵住金建材株式会社
发明人： MORIWAKI NOBUHIRO , FUKUNAGA SHINICHI , TANAKA KAZUHISA
IPC分类号： B22D11/108 , B22D11/00 , B22D11/07 , C21C7/00 , C21C7/076
CPC分类号： Y02P10/242
摘要： PROBLEM TO BE SOLVED: To provide flux which does not generate an alarm for the hunting or the breakout of the surface of the molten metal in a mold even when the continuous casting of stainless steel containing 0.1% or more of Ti is carried out at a speed of 0.6 m/min or higher. SOLUTION: The flux for continuous casting of stainless steel containing Ti comprises CaO and SiO 2 within the range of CaO/SiO 2 =0.5 to 1.1 by mass% ratio, 5 to 15 mass% of Al 2 O 3 , 6 to 15 mass% of (Na 2 O+Li 2 O), 4 to 12 mass% of F, and 1 to 10 mass% of MgO, has a crystallization temperature of 550 to 750°C, and preferably has a viscosity of 0.6 to 3.5 poise at 1,300°C. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：即使连续铸造含有0.1％以上的Ti的不锈钢，也不会产生不会对模具中的熔融金属表面的冲击或突破产生报警的焊剂以0.6米/分钟以上的速度出来。解决方案：用于连续铸造含Ti的不锈钢的助熔剂包括CaO / SiO 2 / Sb 2 = 0.5-1.1质量％比例的CaO和SiO 2 ，5〜15质量％的Al（SB）2 3 ，6〜15质量％的（Na 2 SB 2 O + / SB> O），4〜12质量％的F和1〜10质量％的MgO的结晶化温度为550〜750℃，在1,300℃下的粘度优选为0.6〜3.5泊。版权所有（C）2009，JPO＆INPIT

55. 发明专利

JP2008173667A Continuous casting method of steel 有权
标题翻译：钢的连续铸造方法
公开(公告)号：JP2008173667A
公开(公告)日：2008-07-31
申请号：JP2007009396
申请日：2007-01-18
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： SEZE AKIFUMI , FUKUNAGA SHINICHI , UEDA KAZUNORI
IPC分类号： B22D11/108 , B22D11/00 , B22D11/10 , B22D41/50 , B22D41/54 , C22C38/00 , C22C38/06
摘要： PROBLEM TO BE SOLVED: To provide a continuous casting method of steel, which method hardly causes the choke of a nozzle even when REM has been added into molten steel.
SOLUTION: In the continuous casting method of steel, molten steel 11 is poured into a casting mold 16 via one or more nozzles 13 to 15, and cast ingots 17 are continuously taken out from the lower portion of the casting mold 16. The molten steel 11 contains 0.0003 mass% or more of REM, and further is adjusted such that the ratio of the concentration of Al
2 O
3 to the concentration of REM-O in an inclusion satisfies the following condition, Al
2 O
3 /REM-O≥0.25, and further a refractory material 24 containing 10 mass% or more of CaO is arranged on at least one of the nozzles 13 to 15 in at least part of the internal surface to be brought into contact with the molten steel 11.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供钢的连续铸造方法，该方法即使在将REM加入钢水中也难以引起喷嘴的扼流圈。解决方案：在钢的连续铸造方法中，通过一个或多个喷嘴13至15将钢水11注入铸模16中，从铸模16的下部连续取出铸锭17。钢水11含有0.0003质量％以上的REM，并且进一步调节使得Al 2 3 的浓度与REM-O浓度的比值在包含物满足以下条件的情况下，将Al含量为10质量％以上的耐火材料24进一步配置在在至少部分内表面中的喷嘴13至15中的至少一个将与钢水11接触。版权所有（C）2008，JPO＆INPIT

56. 发明专利

JP2008023574A Method for applying porous plug for tundish 审中-公开
标题翻译：应用多孔插管的方法
公开(公告)号：JP2008023574A
公开(公告)日：2008-02-07
申请号：JP2006201446
申请日：2006-07-25
申请人： Kurosaki Harima Corp , Nippon Steel Corp , 新日本製鐵株式会社 , 黒崎播磨株式会社
发明人： HARA SHUICHI , TSUZUKI TETSUO , TAKANO KAZUHISA , AMANO JIRO , FUKUNAGA SHINICHI
IPC分类号： B22D11/11 , B22D11/10
摘要： PROBLEM TO BE SOLVED: To provide a method for successively using a porous plug to a plurality of tundish castings without exchanging the porous plug in each tundish cast with which conventionally, the porous plug repaired and maintained through cooling process with water-cooling at each tundish cast is fitted to the tundish and used.
SOLUTION: In a continuous casting operation for tundish which is water-cooled at each tundish cast from the starting of the filling of molten steel into the tundish 10 to the completion of the discharging of the molten steel and performs the repair and the maintenance of the tundish after water-cooling; under the fitting state of the porous plug 2 after using as wetting state with the water-cooling, the moisture in the porous plug 2 is vaporized and removed by supplying and flowing combustion waste gas 6 after burning the gas for heating supplied in the tundish 10 for drying or preheating the tundish 10 by supplying and making flow into the porous plug 2 from the inner part of the tundish 10 and thereafter, the porous plug 2 is successively used by supplying the next tundish cast.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种连续使用多孔塞子到多个中间包铸件的方法，而不是在每个中间包铸件中更换多孔塞子，其中通常通过冷却过程通过水冷而修复和保持多孔塞子在每一个中间包浇铸中都使用中间包。
解决方案：在中间包的连续铸造操作中，在从钢水充填到中间包10开始的每个中间包浇铸中水冷，完成钢水的排放，并执行修理水冷后中间包的维护; 在使用水冷却后的多孔塞2的装配状态下，通过供给和流动燃烧废气6，在供给中间包10的加热气体后，多孔塞2中的水分蒸发除去用于通过从中间包10的内部供应和流入多孔塞2中来干燥或预热中间包10，之后通过供应下一个中间包浇铸而连续使用多孔塞2。版权所有（C）2008，JPO＆INPIT

57. 发明专利

JP2006205191A Method and device for preheating immersion nozzle for continuous casting 有权
标题翻译：用于预加注喷嘴的连续铸造的方法和装置
公开(公告)号：JP2006205191A
公开(公告)日：2006-08-10
申请号：JP2005018564
申请日：2005-01-26
申请人： Nippon Steel Corp , Sanki Engineering Kk , 新日本製鐵株式会社 , 産機エンジニアリング株式会社
发明人： FUKUNAGA SHINICHI , ANAMI EISHIN , MATSUI TAIJIRO , SATO MASAHARU , AMANO YUKIMASA
IPC分类号： B22D11/10 , B22D45/00
摘要： PROBLEM TO BE SOLVED: To provide a device and a method for preheating an immersion nozzle for continuous casting, by which device and method, the immersion nozzle can be efficiently and uniformly heated.
SOLUTION: The immersion nozzle 11 is used to pour molten steel from a tundish of a continuous casting machine into a casting mold. Before the immersion nozzle 11 is arranged on the tundish, the immersion nozzle 11 is preheated beforehand. The immersion nozzle 11 is inserted into an induction coil 22 having an inside diameter larger than the outside diameter of the immersion nozzle 11 except its upper end portion. When the immersion nozzle 11 is induction-heated by the induction coil 22, the immersion nozzle 11 is heated up to a prescribed temperature while relatively moving the immersion nozzle 11 or the induction coil 22 up and down.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种用于预热连续铸造用浸渍喷嘴的装置和方法，通过该装置和方法可以有效地均匀地加热浸渍喷嘴。解决方案：浸入式喷嘴11用于将来自连续铸造机的中间包的钢水倒入铸模中。在将浸渍喷嘴11配置在中间包之前，浸渍式喷嘴11预先进行预热。浸入式喷嘴11插入除了上端部以外的内径大于浸入式喷嘴11的外径的感应线圈22。当浸入式喷嘴11被感应线圈22感应加热时，浸没式喷嘴11被加热到规定温度，同时使浸渍喷嘴11或感应线圈22上下移动。版权所有（C）2006，JPO＆NCIPI

58. 发明专利

JP2006122934A Method for continuously casting stainless molten steel using hot reusable tundish 有权
标题翻译：连续铸造不可逆铸钢的方法
公开(公告)号：JP2006122934A
公开(公告)日：2006-05-18
申请号：JP2004312681
申请日：2004-10-27
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： TANAKA KAZUHISA , FUKUNAGA SHINICHI
IPC分类号： B22D11/00 , B22D11/10 , B22D11/16 , B22D43/00
摘要： PROBLEM TO BE SOLVED: To provide a method for continuously casting stainless molten steel using a hot reusable tundish where, in the tundish, the contamination of a slab caused by the remaining steel slag and the oxidation of skull, and deterioration in its quality caused by inclusions are prevented, and the high quality and high yield of the slab are made possible.
SOLUTION: The continuous casting method comprises: a stage where, after the completion of continuous casting, a seal cover 33 is installed in the opening part 28 of a tundish cover 25, then, a tundish 10 is tilted from a horizontal state, so as to exhaust molten steel and steel slag till the quantity of the remaining steel slag in the tundish 10 reaches the range of 0.1 to
摘要翻译：要解决的问题：提供一种使用热可重复使用的中间包连续铸造不锈钢的方法，其中在中间包中，由剩余的钢渣引起的板坯污染和颅骨的氧化，以及其中的劣化防止由夹杂物引起的质量，并且可以实现高质量和高产量的板坯。解决方案：连续铸造方法包括：在连续铸造完成之后，中间包25的开口部28中安装有密封盖33的阶段，则中间包10从水平状态倾斜排出钢水和钢渣直到中间包10中剩余的钢渣的量达到0.1至<0.6吨的范围，然后将中间包10返回到水平状态，并允许等待处于炎热的状态以及将钢水供给到等待中间包10的阶段，并且在将规定量的钢水保持在中间包10中之后，开始从中间包10进入模具。版权所有（C）2006，JPO＆NCIPI

59. 发明专利

JP2006068799A Hardly adhesive continuous casting nozzle 有权
标题翻译： HARDLY粘合连续铸造喷嘴
公开(公告)号：JP2006068799A
公开(公告)日：2006-03-16
申请号：JP2004258092
申请日：2004-09-06
申请人： Kurosaki Harima Corp , Nippon Steel Corp , 新日本製鐵株式会社 , 黒崎播磨株式会社
发明人： OGATA KOJI , KOGA SAEKO , FUKUNAGA SHINICHI
IPC分类号： B22D11/10 , B22D41/54 , C04B35/06
摘要： PROBLEM TO BE SOLVED: To prevent the sticking of alumina in molten steel onto the working surface in a long time casting of the molten steel and also, to improve the erosion, in a continuous casting nozzle disposing a refractory comprising a dolomite clinker on the surface in contact with the molten steel. SOLUTION: The refractory comprising only the dolomite clinker or the composition of the dolomite clinker and magnesia clinker, formulated so as to become 0.33-3.0 mass ratio of W1/W2 of the content W1 of CaO component and the content W2 of MgO component, mixed with a binder, impregnated with pitch or tar after kneading, forming and heat-treating, is disposed at a portion at least in contact with the molten steel. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题为了防止在长时间铸造钢水中将钢水中的氧化铝粘附到工作表面上，并且为了改善侵蚀，在设置包含白云石熟料的耐火材料的连续铸造喷嘴中在与钢水接触的表面上。解决方案：仅包含白云石熟料或白云石熟料和氧化镁熟料的组合物的耐火材料，配制成为CaO成分的含量W1的W1 / W2和MgO的含量W2的0.33〜3.0质量％在与钢水至少接触的部分设置在捏合，成型和热处理之后用沥青或焦油浸渍的粘合剂的组分，与粘合剂混合。版权所有（C）2006，JPO＆NCIPI

60. 发明专利

JP2006068798A Nozzle for continuous casting having inner hole body 有权
标题翻译：用于连续铸造内孔孔的喷嘴
公开(公告)号：JP2006068798A
公开(公告)日：2006-03-16
申请号：JP2004258087
申请日：2004-09-06
申请人： Kurosaki Harima Corp , Nippon Steel Corp , 新日本製鐵株式会社 , 黒崎播磨株式会社
发明人： YOSHIDA MASAHIDE , SHIMOKASA TOMOHARU , TSUZUKI TETSUO , KAJIWARA HIDEKAZU , FUKUNAGA SHINICHI
IPC分类号： B22D11/10
摘要： PROBLEM TO BE SOLVED: To prevent the breakage of an inner hole body itself and an immersion nozzle body caused by thermal expansion of the inner hole body and to prevent the softening and the deformation of and the damage to the inner hole body and the immersion nozzle body caused by reaction between the inner hole body and the immersion nozzle body, in structure in which the inner hole body is disposed in the inner hole of the immersion nozzle as a countermeasure against the choke or erosion of the inner hole of the immersion nozzle.
SOLUTION: An enlarged diameter recessed part 3 is arranged in the inner hole 2 of the immersion nozzle body 1 for continuous casting made of alumina carbon-based material with graphite, silica, spinel, silicon carbide, magnesia, etc., added thereto, and in the enlarged diameter recessed part 3, the inner hole body 4 made of a dolomite-based material is fitted through a burnable material layer and non-reactive layer 6 for forming a space 10 as the expansion-absorbing allowance.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了防止内孔体的热膨胀引起的内孔体本身和浸入体体的破损，并且防止内孔体的软化和变形以及损坏，由于内孔体与浸入式喷嘴体的反作用而引起的浸入式喷嘴体，其特征在于，内孔体设置在浸入式喷嘴的内孔内，作为对抗扼流圈浸入式喷嘴
解决方案：在浸入式喷嘴体1的内孔2中配置有直径较大的凹部3，其用石墨，二氧化硅，尖晶石，碳化硅，氧化镁等的氧化铝碳基材料连续铸造并且在直径扩大的凹部3中，由白云石系材料构成的内孔体4通过可燃材料层和非反应层6嵌合，形成作为膨胀吸收余量的空间10。版权所有（C）2006，JPO＆NCIPI

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