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1. 发明专利

JP2006144080A Method for treating steelmaking slag 有权
标题翻译：处理钢丝滑块的方法
公开(公告)号：JP2006144080A
公开(公告)日：2006-06-08
申请号：JP2004336049
申请日：2004-11-19
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： NAKAJIMA JUNJI , ARAI TAKASHI , HARADA TOSHIYA , MATSUO MITSUTAKA
IPC分类号： C21C1/02 , C04B5/06
摘要： PROBLEM TO BE SOLVED: To provide a method for treating a steelmaking slag with which the high quality slag can be obtained by promoting bubble-removal of the molten steelmaking slag containing the bubbles for effectively using the steelmaking slag as an upper layer road bed material, aggregate for concrete, stone raw material, etc.
SOLUTION: In the method for treating the steelmaking slag, a second process for stirring the molten steelmaking slag 100 added with CaO-containing material 110 is carried out after a first process for adding the CaO-containing material 110 into the molten steelmaking slag 100. In this second process, CaO-containing material 110 can uniformly be solved in the molten steelmaking slag 100. Wherein, the basicity CaO/SiO
2 of the molten steelmaking slag 100 is preferably 0.6-2.0.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种处理炼钢渣的方法，通过促进含有气泡的钢水炉渣的气泡去除，可以获得高质量的炉渣，以有效地利用炼钢炉渣作为上层道路床料，混凝土骨料，石材原料等。解决方案：在炼钢炉渣处理方法中，第一种加入含CaO材料110的钢水炉渣100搅拌的方法是在第一将含CaO材料110添加到钢水炼渣中的方法。在该第二工序中，含CaO材料110可以均匀地溶解在钢水炉渣100中。其中，碱度CaO / SiO 钢水渣100的SB>优选为0.6〜2.0。版权所有（C）2006，JPO＆NCIPI

2. 发明专利

JP2006144078A Slag treatment method and apparatus, and lance 审中-公开
标题翻译： SLAG处理方法和装置，以及LANCE
公开(公告)号：JP2006144078A
公开(公告)日：2006-06-08
申请号：JP2004336040
申请日：2004-11-19
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： ARAI TAKASHI , HARADA TOSHIYA , NAKAJIMA JUNJI , MATSUO MITSUTAKA
IPC分类号： C21C5/28 , C04B5/00 , C04B5/06 , F27D15/00
摘要： PROBLEM TO BE SOLVED: To provide a means with which the whole of slag is uniformly heated and modified while restraining the development of bubble of CO gas as much as possible.
SOLUTION: An apparatus 1 for heat treating molten slag (a) charged into a slag pan 2, is provided with a burner 3 for heating the molten slag (a) and a lance 4 for injecting gas into the molten slag (a), and the above lance 4 is provided with injecting holes 10 for jetting the gas in a direction downwardly inclined to the horizontal direction in the molten slag (a) at one or more positions. After settling granular irons 20 by leaving the molten slag (a) charged into the slag pan 2 standing for a prescribed time, the molten slag (a) is cooled at the bottom part of the slag pan 2 to fix the granular irons 20 in the solidified layer 22 of the slag formed along the inner surface of the slag pan 2 and thereafter, a step for heating the molten slag (a) and a step for stirring the molten slag (a), are alternately performed once or a plurality of times.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种在尽可能地抑制CO气体的发泡的同时全面炉渣均匀地加热和改性的方法。解决方案：用于对装入炉渣盘2中的熔渣（a）进行热处理的设备1设置有用于加热熔渣（a）的燃烧器3和用于将气体注入熔渣（a ），并且上述喷枪4设置有用于在一个或多个位置沿着熔融炉渣（a）沿水平方向向下倾斜的方向喷射气体的喷射孔10。通过将熔渣（a）置于炉渣盘2中放置规定时间后，使熔渣（a）在炉渣底部2的底部被冷却，将粒状铁20固定在沿着炉渣2的内表面形成的炉渣的固化层22，之后，将熔融炉渣（a）加热的步骤和搅拌熔渣（a）的工序交替进行一次或多次。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2004216449A Method for continuously casting steel, continuously cast slab, and cold-rolled steel sheet 有权
公开(公告)号：JP2004216449A
公开(公告)日：2004-08-05
申请号：JP2003205905
申请日：2003-08-05
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： NAKAJIMA JUNJI , YAMADA WATARU , KIMURA YOSHIAKI , INUZUKA TAKAYUKI , UEDA TOSHIZUMI
IPC分类号： B22D11/10 , B22D11/00 , B22D11/108 , B22D41/54 , C22C38/00 , C22C38/14
摘要： PROBLEM TO BE SOLVED: To provide a method for continuously casting an Al deoxidized steel less in coarse alumina cluster, and to provide a continuously cast slab and a cold-rolled steel sheet.
SOLUTION: A part or the whole of refractories in contact with the molten steel passed through at the pouring time from a tundish into a mold, are composed of CaO-MgO containing refractory, CaO-containing refractory, CaO-MgO-C-containing refractory or CaO-C-containing refractory, and ≥ 70% (ratio of pieces) of inclusion having ≥ 38 μm contained in the cast slab or in the cold-rolled steel sheet, is in the following component range. 5% ≤ CaO/(CaO +Al
2 O
3 + MgO) × 100 ≤ 60%, 40% ≤ Al
2 O
3 /(CaO + Al
2 O
3 + MgO) × 100 ≤ 90%, 0% ≤ MgO/(CaO + Al
2 O
3 + MgO) × 100 ≤ 40%.
COPYRIGHT: (C)2004,JPO&NCIPI

4. 发明专利

JP2004136367A JOINT STRUCTURE FOR CONTINUOUS CASTING NOZZLE HAVING CARBON CONTAINING CaO BASED REFRACTORY LAYER 有权
公开(公告)号：JP2004136367A
公开(公告)日：2004-05-13
申请号：JP2003334213
申请日：2003-09-25
申请人： Kurosaki Harima Corp , Lwb Refractories Company , Nippon Steel Corp , エルダブリュビーリフラクトリーズカンパニー , 新日本製鐵株式会社 , 黒崎播磨株式会社
发明人： NISHIYAMA RYUJI , OUCHI TATSUYA , HOOVER DONALD BRUCE , NAKAJIMA JUNJI , YAMADA WATARU , KIMURA YOSHIAKI , OTSUKA TAKAYUKI
IPC分类号： B22D11/10 , B22D41/50 , B22D41/54
摘要： PROBLEM TO BE SOLVED: To prevent welding of a joining part to a nozzle body to be joined and abnormal erosion nearby, while the nozzle body is situated in the upper part of a continuous casting nozzle in which a clinker containing CaO as mineral phases and a carbon-containing CaO based refractory are arranged at least on the inner hole peripheral wall surface that comes in contact with molten steel, for the purpose of preventing precipitation from depositing on that surface.
SOLUTION: This is a joint structure between the upper end of a casting immersion nozzle 1 (nozzle 1) and the lower end of the nozzle body situated above the nozzle 1, in which the clinker containing CaO as mineral phases and the carbon-containing CaO based refractory are arranged at least on the wall surface of the inner hole 3 coming into contact with molten steel as a carbon-containing CaO based refractory layer. A recess 5 is provided on the upper end of the nozzle 1, a refractory ring 6 is fitted to the recess and fixed with a refractory adhesive. Upward from the upper end of the carbon-containing CaO based refractory layer of the nozzle 1, there are arrayed the refractory ring 6, a joint material 7 for the joining part, and the nozzle body 8 as an object to be jointed, in this order. In this array, each refractory to be joined is composed of materials having no reactivity with each other.
COPYRIGHT: (C)2004,JPO

5. 发明专利

JP2010285634A Treatment method for melting and reforming steel-making slag 有权
标题翻译：用于熔炼和改造钢制砂的处理方法
公开(公告)号：JP2010285634A
公开(公告)日：2010-12-24
申请号：JP2009138374
申请日：2009-06-09
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： NAKAJIMA JUNJI , HIRATA HIROSHI , OGAWA YUJI
IPC分类号： C21C5/28 , C04B5/06 , C21C1/02 , F27D15/00
摘要： PROBLEM TO BE SOLVED: To obtain high quality slag at high yield even in the case of treating for melting and reforming the slag having low fluidity caused by the effect of slag composition, in a treatment method for melting and reforming steel-making slag generated when the refining treatment is applied in the steel-making process.
SOLUTION: In the treatment method for melting and reforming the steel-making slag, the steel-making slag is melted and reformed by thermal-spraying a reforming agent 8 into the steel-making slag in a melting and reforming treatment apparatus 6, by using SiO
2 -containing material as the reforming agent 8, wherein in the case of using the steel-making slag having ≥0.5 solidified ratio represented by the expression of (T
LL -T
m )/(T
LL -T
SL ) before starting the melting and reforming treatment, the melting and reforming treatment is started under condition that the relation between the temperature T
M before starting the melting and reforming treatment of the steel-making slag 2 and the liquidus line temperature T
LL satisfies the expression of T
M +150°C≥T
LL . Wherein, T
m : the temperature of the steel-making slag when the solid-phase ratio is measured, and T
SL : the solidus temperature of the steel-making slag.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：待解决的问题：为了获得高品质的炉渣，即使在由炉渣组成的影响引起的具有低流动性的熔渣的熔化和重整处理的情况下，在用于熔炼和重整炼钢的处理方法中在炼钢过程中进行精炼处理时产生的炉渣。解决方案：在用于熔炼和重整炼钢渣的处理方法中，通过在熔化和重整处理装置6中将重整剂8热喷涂到炼钢渣中来将炼钢渣熔化并重整通过使用含SiO 2 的材料作为重整剂8，其中在使用由（T LL LL 在开始炼钢渣2的熔融和重整处理之前的温度T M 与液相线温度T LL 之间的关系满足T 中号 + 150°C≥T LL 。其中T m ：测定固相比时的炼钢渣的温度，以及炼钢渣的固相线温度。版权所有（C）2011，JPO＆INPIT

6. 发明专利

JP2005060128A Refractory 有权
$Refractory$
标题翻译：耐火
公开(公告)号：JP2005060128A
公开(公告)日：2005-03-10
申请号：JP2003207803
申请日：2003-08-19
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： TAKEUCHI TOMOHIDE , INUZUKA TAKAYUKI , KIMURA YOSHIAKI , NAKAJIMA JUNJI
IPC分类号： B22D11/10 , C04B35/06 , F27D1/00
摘要： PROBLEM TO BE SOLVED: To provide a CaO-MgO-graphite-containing refractory, which is used as a nozzle for continuous casting and has improved service life and with which the quality level of inclusions in a cast piece being casted is improved. SOLUTION: This CaO-MgO-graphite-containing refractory is characterized in that the content of CaO is ≥20 mass %, the content of graphite is ≤30 mass %, and the maximum particle diameter of constitutive particles is ≤0.5 mm. The content of particles (hereinafter referred as D particle) each having a form that MgO is dispersed in CaO is ≥30 mass %. The refractory comprises a metal oxide that the ratio of the constitutive particles having particle diameters of ≥0.1 mm is ≥80 mass % or the minimum particle diameter of the constitutive particles is ≥0.1 mm or the constitutive particles having particle diameters of COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用作连续铸造用喷嘴的CaO-MgO-石墨的耐火材料，并且具有改善的使用寿命，并且铸造的铸件中的夹杂物的质量水平得到改善。该CaO-MgO-石墨的耐火材料的特征在于CaO的含量≥20质量％，石墨含量≤30质量％，构成粒子的最大粒径≤0.5mm 。各自具有分散在CaO中的MgO的粒子（以下称为D粒子）的含量为30质量％以下。耐火材料包含金属氧化物，粒径≥0.1mm的组成粒子的比例≥80质量％，或者构成粒子的最小粒径≥0.1mm，或者粒径<0.1mm的构成粒子不含游离CaO。用于连续铸造的喷嘴的特征在于，其内周面的一部分或全部部分由耐火材料形成。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2010018827A Vessel for melting and refining of steelmaking slag 有权
标题翻译：用于冶炼和精炼钢管的船舶
公开(公告)号：JP2010018827A
公开(公告)日：2010-01-28
申请号：JP2008179059
申请日：2008-07-09
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： HIRATA HIROSHI , NAKAJIMA JUNJI , KITAGAWA ITSURO , ASAHARA AKIFUMI
IPC分类号： C21C1/02 , C04B5/00 , C21C5/28 , F27D15/00
摘要： PROBLEM TO BE SOLVED: To restrain production of CO gas caused by the reaction of carbon in granulated iron, to improve strength of slag after melting and refining processing, to reduce unit consumption of fuel in melting and refining processing and to increase the recovery quantity of metals, by devising the structure of a vessel for melting and refining of steelmaking slag used as a reaction vessel, in the melting and refining processing of the steelmaking slag. SOLUTION: The bottom part in the vessel 10 for melting and refining of the steelmaking slag is provided with at least one or more of inclined surfaces 11 for settling the granulated iron M dispersed in the steelmaking slag S and a granulated iron storing part 13 which is disposed at least at one or more positions on the low position side of the inclined surfaces 11 and stores the settled granular iron M. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题为了抑制由造粒铁中碳的反应引起的CO气体的生成，为了提高熔融精炼加工后的渣的强度，可以降低熔融精炼加工中的燃料的单位消耗量，在炼钢渣的熔化和精炼加工中，通过设计用于熔炼和精炼作为反应容器的炼钢渣的结构的金属的回收量。解决方案：用于熔炼和精炼炼钢渣的容器10的底部设置有至少一个或多个倾斜表面11，用于沉淀分散在炼钢渣S中的粒状铁M和颗粒铁储存部分至少设置在倾斜面11的低位侧的一个或多个位置，并存放沉降的粒状铁M.版权所有（C）2010，JPO＆INPIT

8. 发明专利

JP2008261038A Treatment method for melting and reforming steelmaking slag 有权
标题翻译：冶炼和改造钢渣的处理方法
公开(公告)号：JP2008261038A
公开(公告)日：2008-10-30
申请号：JP2007106444
申请日：2007-04-13
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： MOROHOSHI TAKASHI , NAKAJIMA JUNJI , HIRATA HIROSHI
IPC分类号： C21C5/28 , C04B5/06 , C21C1/02 , C21C5/54
CPC分类号： Y02P10/216
摘要： PROBLEM TO BE SOLVED: To provide a treatment method for melting and reforming steelmaking slag with high efficiency, in order to obtain such a slag of high quality as to contain little free CaO and have adequate volume stability. SOLUTION: When melting and reforming the steelmaking slag by supplying a silicic-acid-containing material of a reforming material to a burner by airflow transportation, while supplying fuel and a combustion-supporting gas to the burner and burning them, and adding the silicic acid-containing material to the steelmaking slag in a molten state existing in a slag ladle which is placed right under the burner, this treatment method includes the steps of: previously determining a distance (P) between a burner exhaust-nozzle and a position at which a flame temperature of the thermal spraying burner becomes highest, and a distance (M) between the burner exhaust-nozzle and a position at which the silicic-acid-containing material keeps the molten state, according to the scheduled treatment condition on the property and amount of each of the silicic-acid-containing material, the fuel and the gas supplied to the burner; setting the location of the burner so that a distance (J) between the burner exhaust-nozzle and the slag surface can be in a range of P COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种高效熔炼和重整炼钢渣的处理方法，以获得这样的高质量的炉渣，以便含有少量游离CaO并且具有足够的体积稳定性。解决方案：当通过气流输送向燃烧器供给重整材料的含硅酸材料，同时向燃烧器供应燃料和燃烧气体并将其燃烧并加入这种处理方法包括以下步骤：预先确定燃烧器排气喷嘴和燃烧器排气喷嘴之间的距离（P）根据预定的处理条件，热喷涂燃烧器的火焰温度变得最高的位置和燃烧器排气喷嘴与含硅酸材料保持熔融状态的位置之间的距离（M）每种含硅酸的材料，燃料和供应到燃烧器的气体的性质和量; 设置燃烧器的位置，使得燃烧器排气喷嘴和炉渣表面之间的距离（J）可以在P

9. 发明专利

JP2006144033A Slag treatment method and apparatus 审中-公开
标题翻译： SLAG处理方法和装置
公开(公告)号：JP2006144033A
公开(公告)日：2006-06-08
申请号：JP2004331549
申请日：2004-11-16
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： ARAI TAKASHI , HARADA TOSHIYA , NAKAJIMA JUNJI , MATSUO MITSUTAKA
IPC分类号： C21C5/28 , F27D15/00
摘要： PROBLEM TO BE SOLVED: To provide a slag treatment method and apparatus which realize improvement in the volume stability of slag and efficient reduction in free CaO in the slag.
SOLUTION: An apparatus 1 for heat treating molten slag 3 charged into a slag pan 2, is provided with: a heat-retaining cover 12 disposed above the molten slag 3 charged into the slag pan 2; a counter weight 24 for holding the heat-retaining cover 12 in a floating state on the surface of the molten slag 3 charged onto the slag pan 2 by applying upward force onto the the heat-retaining cover 12; and a burner 27 supported by the heat-retaining cover 12 and for heating the molten slag 3 in the the heat-retaining cover 12. The heat-retaining cover 12 is floated on the surface of the molten slag 3 charged in the slag pan 2, and the molten slag 3 in the heat-retaining cover 12 is heated with the burner 27 supported by the heat-retaining cover 12.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种实现渣的体积稳定性的提高的渣处理方法和装置，并且有效地减少炉渣中的游离CaO。解决方案：一种用于对装入炉渣盘2中的熔渣3进行热处理的设备1设置有：置于炉渣盘2中的熔渣3上方的保温盖12; 用于通过向保温盖12施加向上的力，将保温盖12保持在浮动状态的对重24，该熔块3被装入炉渣盘2的熔渣3的表面上; 以及由保温盖12支撑并用于加热保温盖12中的熔渣3的燃烧器27.保温盖12浮起在装入炉渣盘2中的熔渣3的表面上，并且保温盖12中的熔渣3被由保温盖12支撑的燃烧器27加热。（C）2006年，JPO＆NCIPI

10. 发明专利

JP2011224635A Continuous casting apparatus of steel 有权
标题翻译：连续铸钢装置
公开(公告)号：JP2011224635A
公开(公告)日：2011-11-10
申请号：JP2010098581
申请日：2010-04-22
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： FUJI TAKEHIKO , NAKAJIMA JUNJI , MARUKI YASUO , YAMASAKI NORIMASA , TSUNENARI KEIJI , UMETSU KENJI
IPC分类号： B22D11/115 , B22D11/04 , B22D11/10 , B22D11/11
摘要： PROBLEM TO BE SOLVED: To improve the quality of a cast slab by reducing the amount of Ar gas bubbles contained in the cast slab to be continuously cast.SOLUTION: Curved parts 11a, 11b curved in a protrusion manner to electromagnetic stirring apparatuses 7a, 7b are formed at the positions opposite to at least immersion nozzles 21 in long side walls 3a, 3b. The long side walls 3a, 3b have a uniform thickness including the curved parts 11a, 11b. The minimum horizontal distance between tops of the curved parts 11a, 11b and the immersion nozzles 21 is ≥30 mm and ≤80 mm in a range from the lower end of the electromagnetic stirring apparatus 7a in the vertical direction to the position higher than the upper end of the electromagnetic stirring apparatus 7a by 50 mm.
摘要翻译：要解决的问题：通过减少连续铸造的铸坯中含有的Ar气泡的量来提高铸坯的质量。解决方案：在与长边侧壁3a，3b中的至少浸入式喷嘴21相对的位置处，形成有以电磁搅拌装置7a，7b突出的方式弯曲的弯曲部11a，11b。长侧壁3a，3b具有包括弯曲部分11a，11b的均匀厚度。弯曲部分11a，11b和浸入喷嘴21的顶部之间的最小水平距离在电磁搅拌装置7a的下端在垂直方向上至高于上部的位置的范围内为≥30mm且≤80mm 电磁搅拌装置7a的端部50mm。版权所有（C）2012，JPO＆INPIT

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