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1. 发明专利

JP2010207844A Immersion nozzle for continuous casting 有权
标题翻译：连铸喷嘴
公开(公告)号：JP2010207844A
公开(公告)日：2010-09-24
申请号：JP2009055525
申请日：2009-03-09
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： SADANO KENJI , FUKUNAGA SHINICHI , TAKAHASHI SEIICHI , NEHA KEIICHIRO , TSUZUKI TETSUO , MIZOBE ARIHITO
IPC分类号： B22D11/10 , B22D41/50 , B22D41/58
摘要： PROBLEM TO BE SOLVED: To provide an immersion nozzle for continuous casting capable of suppressing local erosion of a fire resistant material for supplying gas and of uniformly stably carrying out blow-in of an inert gas in a circumferential direction.
SOLUTION: The immersion nozzle 10 for continuous casting carries out flow control of molten steel from a tundish by a stopper 12 arranged at an inlet 11 for molten steel flow formed of the fire resistant material for supplying gas and charges the molten steel in a molten steel passage 13 from a discharge port 14 to a mold while blowing the inert gas into the molten steel from the fire resistant material for supplying gas. When the inner diameter D of the molten steel passage below a position P abutting on the stopper 12 and at the height position of the discharging port 14 is made to be D, at least a part of a working surface 17 within a range R where a length H from the upper end position T1 of the inlet 11 for the molten steel flow to the below is 40 mm or more and (1.1×D+78) mm or less is formed of the fire resistant material for supplying gas, and a fire resistant material 18 for preventing errosion is arranged at a part of the working surface 17 within the range R below the position P abutting on the stopper 12.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够抑制用于供给气体的耐火材料的局部腐蚀并且均匀地稳定地在圆周方向上进行惰性气体吹入的连续铸造用浸渍喷嘴。解决方案：用于连续铸造的浸入式喷嘴10通过设置在用于供应气体的耐火材料形成的钢水流入口11处的塞子12从中间包进行钢水的流量控制，并将钢水充入从用于供给气体的耐火材料吹入惰性气体进入钢水的从出料口14到模具的钢水通道13。当钢水通道的低于位于止动件12上的位置P和排出口14的高度位置的内径D为D时，工作表面17的至少一部分在R的范围内，其中a 从用于钢水流入口的入口11的上端位置T1的长度H为40mm以上，并且由用于供给气体的耐火材料形成（1.1×D + 78）mm以下，在工件表面17的一部分上，在与止动件12邻接的位置P下方的范围R内布置防止磨损的耐磨材料18.（C）2010，JPO＆INPIT

2. 发明专利

JP2011020152A Designing device and designing program of long nozzle for continuous casting, ladle assembly for continuous casting, and method for continuous casting 有权
标题翻译：用于连续铸造的长喷嘴的设计和设计方案，用于连续铸造的连接组件和连续铸造方法
公开(公告)号：JP2011020152A
公开(公告)日：2011-02-03
申请号：JP2009167786
申请日：2009-07-16
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： MIZOBE ARIHITO , TSUZUKI TETSUO , KURISU JOJI , KIDO KOJI , SHIMOKASA TOMOHARU , FUKUNAGA SHINICHI , SADANO KENJI , OKAWA TAKESHI
IPC分类号： B22D11/10 , B22D41/50
摘要： PROBLEM TO BE SOLVED: To provide a designing device of a ladle assembly for continuous casting, capable of sufficiently preventing spouting of molten steel from the joint part of the upper edge of a long nozzle when opening an immersed hole. SOLUTION: The designing device of a ladle assembly for continuous casting includes: a sand pole movement calculating means for calculating the temporal changes in the speed and the position of the sand pole and for further calculating the temporal change in the height of the level of pooled molten steel that is pooled on the sand pole, while setting as an initial state the state in which a quantity of plugging sand to be dropped in use is filled onto the level of the molten steel pool in the space in a nozzle tube of which the lower part length d is immersed in the molten steel pool, making a sand pole an integrated elastic body that performs stress transmission with a pressure coefficient of μ w k, and allowing the molten steel to flow in with a volume flow of Q m from the upper part of the nozzle; a minimum nozzle-diameter determining means for calculating the height of the level of the pooled molten steel at the time when all of the sand pole is discharged through the lower edge of the nozzle by using the sand pole movement calculating means while changing a tube inner diameter R step-wise, and for determining the minimum inner diameter of the nozzle so that the height of the level is not higher than the height of the upper edge of the nozzle; and a nozzle volume calculating means for calculating a required in-tube volume in the space in the nozzle tube based on the minimum tube inner diameter R of the nozzle. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于连续铸造的钢包组件的设计装置，其能够充分防止当打开浸入的孔时从长喷嘴的上边缘的接合部分喷出钢水。解决方案：用于连续铸造的钢包组件的设计装置包括：砂柱运动计算装置，用于计算砂柱的速度和位置的时间变化，并且用于进一步计算砂杆高度的时间变化汇集在砂柱上的汇集的钢水的水平，同时将在使用中掉落的一定数量的堵塞砂填充到喷嘴管的空间中的钢水池的高度的初始状态其中下部长度d浸入钢水池中，使砂极成为压力系数μ w K的应力传递的一体化弹性体，并允许钢水流动具有来自喷嘴上部的Q m 的体积流量; 最小喷嘴直径确定装置，用于计算在通过使用砂杆运动计算装置将所有的砂柱通过喷嘴的下边缘排出时，合并钢水的高度高度，同时改变管内直径R分段，并且用于确定喷嘴的最小内径，使得水平高度不高于喷嘴的上边缘的高度; 以及喷嘴体积计算装置，用于基于喷嘴的最小管内径R计算喷嘴管的空间中所需的管内体积。版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2012200746A Upper nozzle 有权
标题翻译： UPPER喷嘴
公开(公告)号：JP2012200746A
公开(公告)日：2012-10-22
申请号：JP2011066228
申请日：2011-03-24
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： TSUZUKI TETSUO , KIMURA KAZUMI , MORI TAKAYUKI , MIZOBE ARIHITO , UEDA KAZUNORI , FUKUNAGA SHINICHI , ABE YUSUKE
IPC分类号： B22D11/10 , B22D41/50
摘要： PROBLEM TO BE SOLVED: To suppress a decline in back pressure of blown gas in an upper nozzle with a refractory for gas blowing.SOLUTION: The upper nozzle 10A includes the refractory 13 for gas blowing with at least its outside surface surrounded by a metal plate 14, and the lower surface of the refractory 13 for gas blowing is joined on an upper surface of an upper plate 20 of a sliding nozzle apparatus via mortar 21. High strength mortar 18 having a hot elastic modulus of 0.6 GPa or more at 1,200°C is arranged facing the lower surface of the metal plate 14 with a thickness of 3 mm or more.
摘要翻译：要解决的问题：抑制用于吹气的耐火材料的上喷嘴中的吹气的背压下降。解决方案：上喷嘴10A包括至少用金属板14包围的外表面进行气体吹送的耐火材料13，并且用于吹气的耐火材料13的下表面在上板的上表面上接合 20是通过砂浆21的滑动喷嘴装置。在1,200℃下具有0.6GPa以上的热弹性模量的高强度砂浆18布置成与金属板14的下表面相对的厚度为3mm以上。版权所有（C）2013，JPO＆INPIT

4. 发明专利

JP2011189381A Long nozzle 有权
标题翻译：长喷嘴
公开(公告)号：JP2011189381A
公开(公告)日：2011-09-29
申请号：JP2010057768
申请日：2010-03-15
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： TSUZUKI TETSUO , TACHIKAWA KOICHI , MIZOBE ARIHITO , SHIMOKASA TOMOHARU , UEDA KAZUNORI , FUKUNAGA SHINICHI , SADANO KENJI
IPC分类号： B22D11/10 , B22D41/50
摘要： PROBLEM TO BE SOLVED: To suppress the sticking itself of slag or the like in the vicinity of the lower edge of a long nozzle itself, and to suppress the increase of deposit layers. SOLUTION: In the long nozzle 10 discharging molten steel to a tundish, at least over the upper region than the upper edge position of an immersion part (the region to the upper face of a melt layer when the long nozzle is immersed into the melt within the tundish) from the lower edge of the long nozzle, either or both of the inner hole side surface and the outer circumferential side surface of the long nozzle is provided with several projections 20 in a height of at least ≥6 mm projecting from the surface thereof to extend in the upper and lower directions at intervals in the circumferential direction. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了抑制在长喷嘴本身的下边缘附近的炉渣等的粘附，并且抑制沉积层的增加。解决方案：在长喷嘴10中，将钢水排放到中间包，至少在浸没部分的上边缘位置上方的上部区域（当长喷嘴浸入时，熔融层的上表面的区域中间包内的熔体）从长喷嘴的下边缘，长喷嘴的内孔侧表面和外周侧表面中的任一个或两个设置有多个突起20，高度至少≥6mm的突起从其表面沿周向间隔地沿上下方向延伸。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2011047007A Method for selecting sleeve of tapping port, and sleeve of tapping port 有权
标题翻译：选择攻丝口的方法和打孔口的方法
公开(公告)号：JP2011047007A
公开(公告)日：2011-03-10
申请号：JP2009197060
申请日：2009-08-27
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： FUJITA MOTONARI , HATAE EIICHIRO , MIZOBE ARIHITO , SHINPO AKIHIRO , YUBIHARA TOMOYUKI
IPC分类号： C21C5/46 , B22D11/10 , B22D41/50 , B22D41/56 , C04B35/043
摘要： PROBLEM TO BE SOLVED: To provide a method for selecting a sleeve of a tapping port according to the drilling ability of a drilling bit, to provide the sleeve of the tapping port, and thereby to shorten a disassembling period of time while suppressing the wear of an edge body of the drilling bit. SOLUTION: When D (mm) is defined as a diameter of an end part of the drilling bit to be mounted on a drilling machine to be used for disassembling the sleeve of the tapping port which has been attached to a vessel for the molten metal, and T (N×m) is defined as the maximum torque of the drilling bit, which acts on the sleeve of the tapping port in the circumferential direction, the sleeve of the tapping port has such a compressive strength C (MPa) as to satisfy C≤(T/D×1,000+2,000)/300 and 10≤C≤120. When S (cm 2 ) is defined as a contact area of the edge body of the drilling bit with the sleeve of the tapping port and IE (J) is defined as the maximum impact energy of the drilling bit, which acts on the sleeve of the tapping port in the axial direction, the sleeve of the tapping port has such a bending strength M (MPa) as to satisfy M≤(IE/S×10,000-2,000)/3,000 and 2≤M≤18. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供根据钻头的钻孔能力来选择出料口的套筒的方法，以提供出料口的套筒，从而缩短分解时间，同时抑制钻头边缘体的磨损。解决方案：当D（mm）被定义为要安装在钻机上的钻头的端部的直径，以用于拆卸已经附接到船舶的排水口的套筒熔融金属，T（N×m）被定义为钻头在圆周方向作用在套筒上的最大扭矩，出料口的套筒具有这样的抗压强度C（MPa）满足C≤（T / D×1,000 + 2,000）/ 300和10≤C≤120。当S（cm 2 ）被定义为钻头的边缘体与分接口的套筒的接触面积，IE（J）被定义为钻头的最大冲击能量作用在排水口的轴向上的套筒上，出料口的套筒具有满足M≤（IE / S×10,000-2,000）/ 3,000和2≤M的弯曲强度M（MPa） ≤18。版权所有（C）2011，JPO＆INPIT

6. 发明专利

JP2008080397A Stopper head 有权
标题翻译：停止头
公开(公告)号：JP2008080397A
公开(公告)日：2008-04-10
申请号：JP2007167478
申请日：2007-06-26
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： AMANO JIRO , MIZOBE ARIHITO , SHIMOKASA TOMOHARU , TSUZUKI TETSUO , FUKUNAGA SHINICHI , UCHIYAMA TOSHIYUKI , HONDA NAOHISA
IPC分类号： B22D41/18 , B22D11/10
摘要： PROBLEM TO BE SOLVED: To provide a stopper head used for controlling the discharge of molten metal, particularly a stopper head with an integrated structure having no function of blowing gas, in which risk of the occurrence of damage is reduced, moreover is prevented.
SOLUTION: The stopper head 10 is used for starting the discharge of the molten metal from a vessel through a nozzle or stopping the same or controlling the flow rate thereof, wherein the vicinity of the center at the distal end part in the lower part of a stopper head body 1 made of a refractory is provided with a stress relaxation part 5 for breaking off the continuity of the refractory structure in the vicinity of the outer surface of the stopper head body 1, and relaxing stress.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于控制熔融金属排放的止动头，特别是具有不具有吹气功能的一体结构的止动头，其中损害发生的风险降低，此外是预防。解决方案：止动头10用于通过喷嘴开始从容器中排出熔融金属或使其停止或控制其流量，其中下部的末端部分的中心附近由耐火材料制成的止动头主体1的一部分设置有用于断开止动头部主体1的外表面附近的耐火结构的连续性的应力松弛部5和松弛应力。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2011189382A Long nozzle 有权
标题翻译：长喷嘴
公开(公告)号：JP2011189382A
公开(公告)日：2011-09-29
申请号：JP2010057774
申请日：2010-03-15
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： TSUZUKI TETSUO , TACHIKAWA KOICHI , MIZOBE ARIHITO , NAKAMURA YASUHIRO , SHIMOKASA TOMOHARU , UEDA KAZUNORI , FUKUNAGA SHINICHI , SADANO KENJI
IPC分类号： B22D11/10 , B22D41/50
摘要： PROBLEM TO BE SOLVED: To suppress the increase of the coating weight of slag or the like in the vicinity of the lower edge of a long nozzle. SOLUTION: In the long nozzle discharging molten steel from a ladle to a tundish, at least over the upper region than the upper edge position of an immersion part (the region to the upper face of a melt layer when the long nozzle is immersed into the melt within the tundish) from the lower edge of the long nozzle, the inner hole diameter on the cross-section in the horizontal direction of the long nozzle is expanded in the lower edge direction, and the outer diameter is reduced in the lower edge direction. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决的问题：为了抑制在长喷嘴的下边缘附近的炉渣等的涂层重量的增加。解决方案：在将钢水从钢包排出到中间包的长喷嘴中，至少在浸没部分的上边缘位置上方（上游区域，当长喷嘴为浸入中间包内的熔体）中，长喷嘴的水平方向上的横截面上的内孔直径在下边缘方向上膨胀，外径减小下边缘方向。版权所有（C）2011，JPO＆INPIT

8. 发明专利

JP2010029924A Carbonless long nozzle 有权
标题翻译：无毒长喷嘴
公开(公告)号：JP2010029924A
公开(公告)日：2010-02-12
申请号：JP2008196690
申请日：2008-07-30
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： TSUZUKI TETSUO , MIZOBE ARIHITO , SHIMOKASA TOMOHARU , AMANO JIRO , SADANO KENJI , FUKUNAGA SHINICHI , TAKAHASHI SEIICHI
IPC分类号： B22D41/50 , B22D11/10 , B22D41/54
摘要： PROBLEM TO BE SOLVED: To provide a carbonless long nozzle that can reduce generation of cracks and fractures on lower end of a carbonless long nozzle, in the carbonless long nozzle arranged with a carbonless refractory on the surface of a bore. SOLUTION: In the carbonless long nozzle, a carbonless refractory 4 containing ≤10 mass% of a carbonaceous raw material is arranged on the inner face 1 of a refractory body that contains 15-40 mass% of the carbonaceous raw material. The lower end face 41 of the carbonless refractory is located in the range of 20-100 mm upward from the lower end face 32 of the refractory body. Otherwise, in the lower side with the range of 20-100 mm upward from the lower end face of the refractory body as a starting point, the thickness of the carbonless refractory is reduced. Besides, in the carbonless long nozzle, the lower end face of the carbonless refractory roughly coincides with the lower end face of the refractory body. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种无碳长喷嘴，其在无孔长喷嘴的下端上，在孔的表面上布置有无碳耐火材料的无碳长喷嘴中，可以减少裂纹的产生和裂缝。解决方案：在无碳长喷嘴中，在含有15〜40质量％的碳质原料的耐火体的内表面1上配置含碳质原料≤10质量％的无碳耐火材料4。无碳耐火材料的下端面41位于比耐火体的下端面32向上方20〜100mm的范围内。否则，从作为起点的从耐火体的下端面向上方向下方20〜100mm的下侧，无碳耐火材料的厚度减小。此外，在无碳长喷嘴中，无碳耐火材料的下端面大致与耐火材料体的下端面重合。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2008105042A Method for preheating nozzle for pouring molten steel 有权
标题翻译：用于预浇铸钢筋的喷嘴的方法
公开(公告)号：JP2008105042A
公开(公告)日：2008-05-08
申请号：JP2006288939
申请日：2006-10-24
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： FUKUNAGA SHINICHI , OKUMURA HIROHIKO , TANAKA KAZUHISA , AMANO JIRO , YOSHIJI ONORI , MORIKAWA KATSUMI , MIZOBE ARIHITO
IPC分类号： B22D11/10 , B22D41/56
摘要： PROBLEM TO BE SOLVED: To provide a method for preheating a nozzle for pouring molten steel by which the service life of the nozzle can more drastically be improved than heretofore, a product yield can be improved and refractory cost can be reduced. SOLUTION: In the method for preheating the nozzle 12 for pouring the molten steel, which is composed of the refractory containing ≥5 mass% carbon, in which a passage 10 for allowing the molten steel to flow is formed in the inner part and a fitting 11 to be installed into a continuous casting facility is provided at the base side and through which the molten steel is allowed to flow into a passage 10 after being preheated when being used, a part or the whole of the surface of the nozzle 12 is coated with an oxidizing-preventive material 17 of ≥0.1 mm thickness, then a part or the whole of the surface of the nozzle 12 is covered with a heat-insulating material 18-20, and at least the portion covered with the oxidizing-preventive material 17 on the nozzle 12 is surrounded with a chamber 21, and the nozzle 12 is preheated under atmosphere controlled to be ≤10 vol.% oxygen concentration by blowing non-oxidizing gas in the chamber 21. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于预热浇注钢水的喷嘴的方法，由此喷嘴的使用寿命可以比以前更加显着地改善，可以提高产品产量并降低耐火材料成本。解决方案：在用于浇注由含有≥5质量％碳的耐火材料制成的钢水的喷嘴12的预热方法中，在内部形成有用于使钢水流动的通道10 并且在基底侧设置安装在连续铸造设备中的配件11，并且在使用时预热后允许钢水流入通道10，喷嘴的表面的一部分或全部 12涂覆有厚度≥0.1mm的防氧化材料17，然后用隔热材料18-20覆盖喷嘴12的一部分或全部表面，并且至少覆盖有氧化物喷嘴12上的预热材料17被室21包围，喷嘴12通过在室21内喷射非氧化性气体而控制在≤10体积％氧浓度的气氛中进行预热。版权所有（ C）2008，JPO＆INPIT

10. 发明专利

JP2010221277A Immersion nozzle for continuous casting and method for designing the same 审中-公开
标题翻译：用于连续铸造的浸入式喷嘴及其设计方法
公开(公告)号：JP2010221277A
公开(公告)日：2010-10-07
申请号：JP2009072492
申请日：2009-03-24
申请人： Kurosaki Harima Corp , 黒崎播磨株式会社
发明人： TAKASU TOSHIKAZU , MIZOBE ARIHITO , TACHIKAWA KOICHI
IPC分类号： B22D11/10
摘要： PROBLEM TO BE SOLVED: To provide an immersion nozzle having a structure of blowing a gas from the inner wall to the inner hole of the nozzle, in which the blowing amount of the gas on the cross-sectional face in a gas-blowing region can be uniformized or intentionally changed so as to increase the effect for the prevention of the sticking of inclusions or the like to the inner wall.
SOLUTION: In the immersion nozzle 10 for continuous casting, a permeable refractory 2 is arranged at a part of the inner wall facing the inner hole 1 to be a molten steel flow passage, and a gas is blown from the permeable refractory 2 to the inner hole 1, a first hollow chamber 4 is provided at the outer circumferential side of the permeable refractory 2, separately from the first hollow chamber 4, a second hollow chamber 5 is provided in a hardly permeable refractory having permeability relatively lower than that of the permeable refractory, the first hollow chamber 4 and the second hollow chamber 5 are communicated by a plurality of through-holes 6 between the hollow chambers, and further, the second hollow chamber 5 and a gas feed port 7 are communicated by a gas feed passage 8.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有从内壁吹送气体到喷嘴内孔的结构的浸入式喷嘴，其中，气体喷射管的横截面上的气体的吹送量，吹风区域可以均匀化或有意地改变，从而增加了防止夹杂物等粘附到内壁上的效果。解决方案：在用于连续铸造的浸入式喷嘴10中，在面向内孔1的内壁的一部分处设置可渗透耐火材料2作为钢水流道，并且从可渗透耐火材料2吹出气体在内孔1中，与第一中空室4分开地，在可渗透耐火物2的外周侧设置有第一中空室4，第二中空室5设置在难渗透性耐火材料中，其耐渗透性相对低于的第一中空室4和第二中空室5通过中空室之间的多个通孔6连通，另外，第二中空室5和气体供给口7通过气体连通饲料通道8.版权所有（C）2011，JPO＆INPIT

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