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1. 发明专利

JP2012036417A Device for removing scull 有权
标题翻译：移除装置的装置
公开(公告)号：JP2012036417A
公开(公告)日：2012-02-23
申请号：JP2010174699
申请日：2010-08-03
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： FUKUNAGA SHINICHI , MARUO RYOTA , SATO SHIRO , SAKAI TOSHINORI
IPC分类号： C21C5/46 , F27D25/00
摘要： PROBLEM TO BE SOLVED: To provide a device for removing a scull, which has a simple device configuration and is quick-attachable/releasable to/from a converter steelmaking lance, is possible to remove a scull in a short time, and achieves a long service life.SOLUTION: The device 10 for removing a scull is mounted to a tip end of the converter steelmaking lance 13 to remove a scull adhered to a converter throat. The device for removing a scull includes: a mounting rod 14 which is inserted into an oxygen exhaust nozzle 11, and whose end on the insertion side is projected from a base end of the oxygen exhaust nozzle 11; a latch 15 that is reclinably provided at the end on the insertion side, and whose greatest width L including the mounting rod 14 in a reclinded state thereof is set to 1.1-2.1 times of the base end internal width D of the oxygen exhaust nozzle 11 into which the latch is inserted; a fixing member 16 placed inside the mounting rod 14 and having an end 21 abutting on the latch 15 to maintain the reclined state of the latch and a base part projected outside the oxygen exhaust nozzle 11; and an oxygen injecting device 17 provided in the base part and injecting the oxygen injected from an oxygen exhaust nozzle 12, in a direction perpendicular to the axial center of the converter steelmaking lance 13.
摘要翻译：要解决的问题：为了提供一种具有简单的装置结构并且能够与转炉炼钢枪快速附接/释放的铲式装置，可以在短时间内移除一个支柱，并且使用寿命长。解决方案：用于去除舷侧的装置10安装在转炉炼钢枪13的末端，以去除附着在转炉喉上的舷侧。用于拆卸船体的装置包括：安装杆14，其插入氧气排气喷嘴11中，并且其插入侧的端部从氧气排气喷嘴11的基端突出; 在插入侧的端部可倾斜地设置有包括安置杆14在其折叠状态的最大宽度L的闩锁15设定为氧排气喷嘴11的基端内部宽度D的1.1〜1.1倍插入其中的闩锁; 固定构件16，其设置在安装杆14内部，并且具有抵靠在闩锁15上的端部21，以保持闩锁的倾斜状态;以及基部突出在氧气排气喷嘴11的外部; 以及设置在基座部分中的氧气注入装置17，并且在与转炉炼钢枪13的轴心垂直的方向上喷射从氧气排气喷嘴12喷射的氧气。（C）2012，JPO＆INPIT

2. 发明专利

JP2011226992A Method for detecting solidification structure of steel 有权
标题翻译：检测钢的固结结构的方法
公开(公告)号：JP2011226992A
公开(公告)日：2011-11-10
申请号：JP2010098982
申请日：2010-04-22
申请人： Astec Irie Co Ltd , Nippon Steel Corp , 新日本製鐵株式会社 , 株式会社アステック入江
发明人： SEZE AKIFUMI , TANI MASAHIRO , FUKUNAGA SHINICHI , UEMURA KENICHI , NISHIMOTO TAKUMI , SUEYOSHI SHOTA , SAKURA IKUO , TAKAMUNE KENJI
IPC分类号： G01N33/20 , B22D11/00
摘要： PROBLEM TO BE SOLVED: To provide a method for detecting solidification structure of a type of steel which has relatively low differences in concentrations of solute elements due to segregation during solidification, particularly of a low-carbon steel which has a carbon concentration of 0.01 mass% or less.SOLUTION: After a cross section of a sample of steel cast slab is polished, the cross section of the sample is corroded in a corrosive liquid using microbubble-containing water as a solvent to cause solidification structure of the steel to appear. The sample is then washed and dried, and corroded holes formed in the cross section of the sample are filled with polishing powder. After transparent adhesive tape is stuck on the cross section of the sample to adhere the polishing powder in the corroded holes to the transparent adhesive tape, the transparent adhesive tape is removed and then stuck on a white mount.
摘要翻译：要解决的问题：提供一种用于检测固化期间由于偏析导致的固溶元素浓度差异较小的钢的固化结构的方法，特别是碳浓度低的低碳钢 0.01质量％以下。
解决方案：抛光钢板样品的横截面后，将样品的横截面用含微泡水作为溶剂在腐蚀性液体中腐蚀，导致钢的凝固结构出现。然后将样品洗涤并干燥，并在样品的横截面中形成的腐蚀孔填充有抛光粉末。将透明胶粘带粘贴在样品的横截面上，将腐蚀的孔中的抛光粉末粘附到透明胶带上，将透明胶带除去，然后粘贴在白色的底座上。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2011225957A Device for detecting solidified structure of steel and method of detecting the same 有权
标题翻译：用于检测钢的固化结构的装置及其检测方法
公开(公告)号：JP2011225957A
公开(公告)日：2011-11-10
申请号：JP2010098988
申请日：2010-04-22
申请人： Astec Irie Co Ltd , Nippon Steel Corp , 新日本製鐵株式会社 , 株式会社アステック入江
发明人： SEZE AKIFUMI , TANI MASAHIRO , FUKUNAGA SHINICHI , KAMIMURA KENICHI , NISHIMOTO TAKUMI , SUEYOSHI SHOTA , SAKURA IKUO , TAKAMUNE KENJI
IPC分类号： C23F1/08
摘要： PROBLEM TO BE SOLVED: To provide a device for detecting a solidified structure of steel of the kind relatively small in concentration difference by segregation of solidifying solute elements, particularly of low-carbon steel of not more than 0.01 mass% in carbon concentration, and a method of detecting the same.SOLUTION: The device for detecting the solidified structure of steel in which after polishing a sample section of a steel cast slab, the sample section is corroded includes an outer tank 2 containing water 7 containing micro-bubbles, ultrasonic oscillators 5, 6 resonating the water by application of ultrasonic waves of 30 kHz-3 MHz to the water 7, and an inner tank 3 immersed in the outer tank 2 and containing a corrosive liquid 8 corroding the sample section. The sample section is corroded by using the solidified structure detecting device 1 to make the solidified structure of the steel appear.
摘要翻译：要解决的问题：提供一种用于通过凝固溶质元素特别是碳浓度不大于0.01质量％的低碳钢的偏析来检测浓度差相对较小的钢的凝固组织的装置，及其检测方法。解决方案：用于检测钢的凝固组织的装置，其中在对钢铸坯的样品进行抛光后，样品部分被腐蚀包括含有微气泡的水7的外槽2，超声波振荡器5,6 通过施加30kHz-3MHz的超声波将水谐振到水7，以及浸没在外罐2中并含有腐蚀了样品部分的腐蚀性液体8的内罐3。通过使用凝固结构检测装置1使样品部分腐蚀，使钢的凝固结构出现。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2011218383A Mold for continuous casting 有权
标题翻译：模具连续铸造
公开(公告)号：JP2011218383A
公开(公告)日：2011-11-04
申请号：JP2010087936
申请日：2010-04-06
申请人： Mishima Kosan Co Ltd , Nippon Steel Corp , 三島光産株式会社 , 新日本製鐵株式会社
发明人： UEDA KAZUNORI , OKAWA TAKESHI , FUKUNAGA SHINICHI , SUENAGA KENYA , HIRANO SHINICHI , OKAZAKI TAKESHI , OGAWA YUICHI
IPC分类号： B22D11/04 , B22D11/055
摘要： PROBLEM TO BE SOLVED: To provide a mold for continuous casting, which enables the manufacture of a good-quality cast slab by suppressing a delay in the solidification of the cast slab.SOLUTION: A swelling portion 21, in which a molten metal surface position of molten steel 13 is set as an upper position P1 and in which a position 300 mm or more below the upper position P1 is set as a lower position P2, is provided on the side of a molten steel contact surface 20 of a cooling member 12 of the mold 10 for continuous casting; a vertical section of the swelling portion 21 is constituted of three to eight continuous linear portions L1-L3 from the upper position P1 to the lower position P2; angles θ1 and θ2 made by the adjacent linear portions L1-L3 are set to fall within the range of 174-179.97 degrees; the maximum height (h) of the swelling portion 15, the base of which is a straight line L4 connecting the upper and lower positions P1 and P2, is set to fall within the range of 0.2-5 mm; and a spacer 27 provided with partition portions 31 and 32 is disposed in a space area 26 formed between a recessed portion of the cooling member 12 and a supporting member 16 therefor, so as to form supercooling water-conducting grooves 17-19.
摘要翻译：要解决的问题：提供一种连续铸造用模具，其能够通过抑制铸坯的凝固延迟来制造优质铸坯。解决方案：将钢水13的熔融金属表面位置设定为上部位置P1并且其中位于上部位置P1以下300mm以上的位置的膨胀部21被设定为下部位置P2，设置在用于连续铸造的模具10的冷却构件12的钢水接触表面20的侧面上; 隆起部分21的垂直部分由从上位置P1到下位置P2的三到八个连续线性部分L1-L3构成; 由相邻的线性部分L1-L3制成的角度θ1和θ2设定在174-179.97度的范围内; 膨胀部15的最大高度（h）设定为0.2〜5mm的范围，该隆起部15的基部是连接上下位置P1，P2的直线L4。并且设置有分隔部31,32的间隔件27设置在形成在冷却部件12的凹部与支撑部件16之间的空间区域26中，形成过冷却导水槽17-19。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2011177766A Method for using sliding nozzle device 有权
标题翻译：使用滑动喷嘴装置的方法
公开(公告)号：JP2011177766A
公开(公告)日：2011-09-15
申请号：JP2010045770
申请日：2010-03-02
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 , SATO TOSHIYUKI , UEDA KAZUNORI , SHIGENAGA YASUO , FUKUNAGA SHINICHI , HONDA NAOHISA
IPC分类号： B22D41/40 , B22D11/10 , B22D41/28
摘要： PROBLEM TO BE SOLVED: To provide a method for using a sliding nozzle device which can deal with high grade steel and minimize the increase of refractory cost as necessary.
SOLUTION: In the method for using a sliding nozzle device of applying bearing pressure to a space between plates by a bearing pressure variable mechanism, when relatively high bearing pressure is applied, relatively thick plates 5a, 7a are used, and, when relatively low bearing pressure is applied, relatively thin plates 5b, 7b are used, and further, spacers 14 with a thickness corresponding to a degree at which the plates are thinned are arranged at the non-sliding face sides of the plates 5b, 7b.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种使用能够处理高等级钢的滑动喷嘴装置的方法，并且根据需要最小化耐火材料成本的增加。解决方案：在使用通过轴承压力可变机构将轴承压力施加在板之间的空间的滑动喷嘴装置的方法中，当施加相对较高的轴承压力时，使用相对厚的板5a，7a，当施加相对低的轴承压力，使用相对薄的板5b，7b，并且进一步，在板5b，7b的非滑动面侧布置具有对应于板变薄的程度的厚度的间隔件14。版权所有（C）2011，JPO＆INPIT

6. 发明专利

JP2011161507A Mold for continuous casting 有权
标题翻译：模具连续铸造
公开(公告)号：JP2011161507A
公开(公告)日：2011-08-25
申请号：JP2010030352
申请日：2010-02-15
申请人： Mishima Kosan Co Ltd , Nippon Steel Corp , 三島光産株式会社 , 新日本製鐵株式会社
发明人： OGAWA YUICHI , OKAZAKI TAKESHI , HIRANO SHINICHI , SUENAGA KENYA , UEDA KAZUNORI , OKAWA TAKESHI , FUKUNAGA SHINICHI
IPC分类号： B22D11/16 , B22D11/04
摘要： PROBLEM TO BE SOLVED: To provide a mold for continuous casting which monitors the contact state between cooling members and a solidified shell, and can perform a stable casting operation free from the generation of breakout and cast slab cracks. SOLUTION: The mold for continuous casting includes: a pair of cooling members 12 arranged so as to be confronted; a supporting members respectively arranged at the back face sides of the respective cooling members 12 and fixed with the cooling members 12 via a plurality of fastening bolts 14; and a holding mechanism 16 connected to the back face sides of the supporting members and holding the cooling members 12 via the supporting members; wherein a load sensor detecting stress generated at the cooling members 12 during the casting is fitted to the supporting members or the holding mechanism 16. 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模具，其监测冷却构件和固化壳体之间的接触状态，并且可以执行不产生断裂和铸造板坯裂纹的稳定的铸造操作。解决方案：用于连续铸造的模具包括：一对布置成面对的冷却构件12; 分别布置在相应的冷却构件12的背面侧并经由多个紧固螺栓14与冷却构件12固定的支撑构件; 以及保持机构16，其连接到支撑构件的背面侧，并且经由支撑构件保持冷却构件12; 检测在铸造时在冷却部件12产生的应力的载荷传感器安装在支承部件或保持机构16上。（C）版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2010207848A Long nozzle and method of manufacturing the same 有权
标题翻译：长喷嘴及其制造方法
公开(公告)号：JP2010207848A
公开(公告)日：2010-09-24
申请号：JP2009056059
申请日：2009-03-10
申请人： Akechi Ceramics Co Ltd , Nippon Steel Corp , 新日本製鐵株式会社 , 明智セラミックス株式会社
发明人： OKAWA TAKESHI , TAKAHASHI SEIICHI , FUKUNAGA SHINICHI , YAMAUCHI TOMOTAMA , KATSUKI KAZUHISA
IPC分类号： B22D41/50
摘要： PROBLEM TO BE SOLVED: To provide a long nozzle capable of preventing occurrence of cracks of the nozzle body caused by thermal expansion of a refractory ring mounted on the upper part of a bore face, and to provide a method of manufacturing the same. SOLUTION: The long nozzle 1 is the one which has an outer periphery covered with a shell 12 and which is designed to pour molten metal of a ladle into a tundish. On the upper part 3 of the nozzle bore 2, a fitting part 10 is formed for fitting the refractory ring 4, wherein the refractory ring 4 has a fibrous heat insulation material 5 stretched over the outer periphery and is fitted to the fitting part 10 via mortar 11 arranged on the upper part 3 of the nozzle bore 2. As a result, the thermal expansion margin in the radial direction of the highly corrosion resistant refractory ring 4 can be absorbed by the fibrous heat insulation material 5 which is stretched over the outer periphery of the refractory ring 4. Also, the thermal expansion of the refractory ring 4 is suppressed by fixation with the mortar 11, which prevents the occurrence of cracks of the nozzle body 6. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够防止由安装在孔面的上部的耐火环的热膨胀引起的喷嘴体的裂纹的长喷嘴，并提供其制造方法。解决方案：长喷嘴1是具有被外壳12覆盖的外周边，其被设计成将钢包的熔融金属倒入中间包中。在喷嘴孔2的上部3上形成有用于装配耐火环4的装配部10，其中耐火环4具有在外周上被拉伸的纤维绝热材料5，并且经由砂浆11布置在喷嘴孔2的上部3上。结果，高耐腐蚀耐火环4的径向热膨胀裕度可以被纤维绝热材料5吸收，纤维绝热材料5在外部被拉伸耐火环4的周边。同样，通过与研钵11的固定来抑制耐火环4的热膨胀，防止喷嘴体6发生裂缝。（C）2010，JPO＆INPIT

8. 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

9. 发明专利

JP2010138436A Method of detecting solidification structure of steel 有权
标题翻译：检测钢的固结结构的方法
公开(公告)号：JP2010138436A
公开(公告)日：2010-06-24
申请号：JP2008314720
申请日：2008-12-10
申请人： Astec Irie Co Ltd , Nippon Steel Corp , 新日本製鐵株式会社 , 株式会社アステック入江
发明人： SEZE AKIFUMI , FUKUNAGA SHINICHI , OKAWA TAKESHI , INOUE TSUTOMU , UWAGAWA HIRONORI
IPC分类号： C23F1/00 , B22D11/00 , G01N1/28
摘要： PROBLEM TO BE SOLVED: To provide a method of detecting a solidification structure of steel by revealing the solidification structure by corrosion, even in a grade in which solute element concentration in steel is so low that a clear solidification structure is previously difficult to be detected, especially in low carbon steel with carbon concentration of ≤0.01 mass%.
SOLUTION: In the method of detecting the solidification structure of steel, a cross-section of a sample of a steel casting piece is polished, a surface other than a polished surface 2 of a sample 1 is electrically insulated to be an electrically insulated surface 3, and the polished surface 2 is corroded. The solidification structure is revealed even in the grade in which the solidification structure is previously difficult to be revealed, especially in low carbon steel with carbon concentration of ≤0.01 mass%, by electrically insulating the surface other than the polished surface (corroded surface) of the sample, and advancing corrosion only on the polished surface.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种通过暴露出腐蚀的凝固结构来检测钢的凝固组织的方法，即使在钢中的溶质元素浓度低到以前难以清除凝固结构的等级特别是在碳浓度≤0.01质量％的低碳钢中。解决方案：在检测钢的凝固结构的方法中，对钢铸件的样品的横截面进行抛光，将除了样品1的抛光表面2以外的表面电绝缘为电绝缘表面3，并且抛光表面2被腐蚀。即使在预先难以显示固化结构的级别，特别是在碳浓度为≤0.01质量％的低碳钢中，通过将除了抛光表面（腐蚀表面）以外的表面电绝缘，样品，并仅在抛光表面上推进腐蚀。版权所有（C）2010，JPO＆INPIT

10. 发明专利

JP2010125483A Method for detecting solidified structure of steel 有权
标题翻译：检测钢的固结结构的方法
公开(公告)号：JP2010125483A
公开(公告)日：2010-06-10
申请号：JP2008302566
申请日：2008-11-27
申请人： Astec Irie Co Ltd , Nippon Steel Corp , 新日本製鐵株式会社 , 株式会社アステック入江
发明人： SEZE AKIFUMI , FUKUNAGA SHINICHI , IWASAKI JUNYA , SAKURA IKUO , YOSHIOKA KEIGO
IPC分类号： B22C9/00 , C23F1/00
CPC分类号： C23F1/28 , C21D1/55 , G01N33/20
摘要： PROBLEM TO BE SOLVED: To provide a method for detecting a solidified structure of steel, even of low carbon steel in which a solute element concentration in the steel is low, and especially a carbon concentration is ≤0.01 mass%, by identifying the solidified structure by corrosion.
SOLUTION: In the method for detecting the solidified structure of steel, a cross-section of a sample of a steel cast piece is polished, and the sample is heated at 40-90°C; then the polished surface of the sample is contacted to corrosive liquid, and the polished surface is corroded. Additionally, the corrosive liquid is heated at 40-90°C, and then the polished surface of the sample is contacted to the corrosive liquid. Even after the sample is contacted to the corrosive liquid, the corrosive liquid is not decreased in temperature, corrosion performance when using hot corrosive liquid is maintained in high level, electrochemical corrosion using potential difference by a difference in solute concentration is developed in a short period of time, and a clear solidified structure is identified. The temperature of the corrosive liquid is preferably -10 to -5°C, or +5°C or more to the temperature of the sample.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于检测钢的固化结构的方法，即使是钢中的固溶元素浓度低的碳素钢，特别是碳浓度≤0.01质量％的低碳钢，通过鉴定凝固结构受腐蚀。解决方案：在钢的凝固结构检测方法中，对铸钢件样品的截面进行抛光，将样品加热至40〜90℃; 然后将样品的抛光表面与腐蚀性液体接触，并抛光表面被腐蚀。此外，将腐蚀性液体加热至40-90℃，然后将样品的抛光表面与腐蚀性液体接触。即使样品与腐蚀性液体接触，腐蚀性液体的温度也不会降低，使用热腐蚀性液体时的腐蚀性能保持在高水平，电解腐蚀使用电位差由溶质浓度差异在短时间内发展的时间，并确定了明确的固化结构。腐蚀性液体的温度相对于样品的温度优选为-10〜-5℃或+ 5℃以上。版权所有（C）2010，JPO＆INPIT

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