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1. 发明专利

JP2010229511A Method for operating blast furnace 审中-公开
标题翻译：操作BLAST FURNACE的方法
公开(公告)号：JP2010229511A
公开(公告)日：2010-10-14
申请号：JP2009079480
申请日：2009-03-27
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： SAWAYAMA MUNEYOSHI , UCHIDA HISASHI , TADAI RIKIZO , TSUSHIMA TAKU
IPC分类号： C21B5/00
摘要： PROBLEM TO BE SOLVED: To provide a method for operating a blast furnace with which in the blast furnace charging limestone as sub-raw material from the furnace top-part, especially even in the blast furnace blowing a large quantity of fine powdery coals by blending many pellets, the blast furnace operation is stabilized by reliably preventing non-slagging of the limestone in the lower part of the furnace and further, lower cost of the pig iron can be attained.
SOLUTION: In the method for operating the blast furnace, charging the limestone as the sub-raw material from the furnace top-part, this method is performed as follows: the limestone is charged into an ore layer and also, a volume average granular diameter d
LS (unit:mm) of the limestone, is set as the following formula. The formula: d
LS ≤0.1067×T
F -5.267W
LS/T -134.8. Wherein, W
LS/T : the limestone charging speed (kg/min/number of tuyeres) per one piece of the tuyere in the blast furnace, and T
F : the theoretical combustion temperature (°C) at the front of the tuyere.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种操作高炉的方法，在高炉中将来自炉顶部的原料装入石灰石，特别是在高炉中吹送大量细粉煤通过混合许多颗粒，高炉操作通过可靠地防止炉子下部的石灰石不成渣而稳定，并且还可以降低生铁成本。解决方案：在高炉操作方法中，将来自炉顶部的副原料装入石灰石中，该方法如下进行：将石灰石装入矿石层，并将体积石灰石的平均粒径d LS（单位：mm）设定为下式。公式：d ≤0.1067×T -5.267W -134.8。其中W LS / T ：高炉风口中每一片风口的石灰石充气速度（风口/公斤/风口数）和T F ：在风口前方的理论燃烧温度（℃）。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2006328453A Method for desiliconizing molten iron 审中-公开
标题翻译：用于铁化铁的方法
公开(公告)号：JP2006328453A
公开(公告)日：2006-12-07
申请号：JP2005151243
申请日：2005-05-24
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： TADAI RIKIZO , MATSUI KEISHIN , MATSUO TADASHI , MATSUI YOSHIYUKI , SAWAYAMA MUNEYOSHI
IPC分类号： C21C1/04 , C21C5/28
摘要： PROBLEM TO BE SOLVED: To prevent a method for desiliconizing molten iron on a casting floor for blast furnace by which the foaming of desiliconized slag can be prevented while suppressing the wear of a refractory-made immersion lance.
SOLUTION: After mixing and pulverizing pellet minus-sieve powder being iron oxide source and converter slag as CaO source, the rough iron grain is removed with a screen, desiliconizing agent having 2.0-3.5 basicity (CaO/SiO
2 ), is made. This agent is blown into the molten iron A by using the desiliconizing lance 11 immersed into molten iron A in a desiliconize-trough 3, and the desiliconize-treatment is performed while keeping 0.5-0.8 basicity, 10-20 mass% FeO content and ≤20 mass% Al
2 O
3 content.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了防止在用于高炉的铸造地板上对铁水进行脱硅的方法，通过该方法可以在抑制耐火材料浸渍喷枪的磨损的同时防止脱硅渣的发泡。
解决方案：将氧化铁源和转炉渣作为CaO源混合粉碎后，用丝网除去粗铁颗粒，脱硅剂为2.0-3.5碱度（CaO / SiO 2 ）。通过使用在脱硅槽3中浸入铁水A中的脱硅喷枪11将该试剂吹入铁水A中，进行脱硅处理，同时保持0.5-0.8碱度，10-20质量％FeO含量和≤ 20质量％的Al 2 3 含量。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2006104560A Method for operating blast furnace 有权
标题翻译：操作BLAST FURNACE的方法
公开(公告)号：JP2006104560A
公开(公告)日：2006-04-20
申请号：JP2004296331
申请日：2004-10-08
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： SAWAYAMA MUNEYOSHI , MATSUI YOSHIYUKI , TADAI RIKIZO , MATSUO TADASHI
IPC分类号： C21B5/00
摘要： PROBLEM TO BE SOLVED: To establish a method for operating a blast furnace with which the erosion of a refractory in the furnace hearth can be restrained while preventing the unevenness of lowered stock level in the circular direction of the blast furnace by controlling the blasting amount from tuyeres.
SOLUTION: When the operation for temporarily or permanently reducing the blasting amount from the first tuyere group A positioned at the upper part of an iron tapping hole is performed, on the horizontal cross sectional surface in the tuyere level, the axial core position in the blast furnace is used for an original point and plurality of half-lines extended as the radiating state toward the whole tuyeres from the original point, are used as for axes, and the blasting amount from the tuyeres corresponding to the axis on each axis is plotted. When a polygon as a radar chart obtaining the plots on the abutted axes by connecting one by one with a line segment, is assumed, the blasting amount from the second tuyere group B existing at the symmetrical position to the A and the original point and/or at the neighborhood of the symmetrical position, are reduced so as to approach the G
0 at the figure center of the polygon in the case of reducing only the blasting amount from the A toward the original point.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：建立一种操作高炉的方法，通过该方法可以抑制炉底中的耐火材料的侵蚀，同时通过控制高炉的圆周方向的库存水平的不均匀性风口爆破量。解决方案：当进行从定位在铁丝攻孔上部的第一风口组A暂时或永久地减少爆破量的操作时，在风口水平的水平横截面上，轴芯位置在高炉中使用原始点，从原点向整个风口向辐射状态延伸的多条半线用作轴线，并且来自与各轴线上的轴对应的风口的爆破量被绘制。当将作为雷达图的多边形通过连接一个一个地与线段一起获得在邻接轴上的曲线图被假定时，来自第二风口组B在对称位置处与A的爆破量和原始点和/ 或者在对称位置附近，在仅将爆破量从A向原始点减小的情况下，减小为接近多边形的图形中心处的G 0 。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2011127176A Method for operating blast furnace 审中-公开
标题翻译：操作BLAST FURNACE的方法
公开(公告)号：JP2011127176A
公开(公告)日：2011-06-30
申请号：JP2009286551
申请日：2009-12-17
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： UCHIDA HISASHI , KITANO SHINJI , ITO KENJI , SATO ATSUSHI , TADAI RIKIZO , MITSUOKA NAYUTA
IPC分类号： C21B5/00
摘要： PROBLEM TO BE SOLVED: To provide a method for operating a blast furnace, with which even in the case of injecting a large quantity of pulverized coal under reduced production period, good heat-transfer to molten iron and efficient combustion of the pulverized coal due to achievement of sufficient furnace-heat like an ordinary operation are kept, the reduction of a coke ratio corresponding to a pulverized coal ratio by injection a large quantity of the pulverized coke is assured, and the reduction of the operation cost and lightening of environmental load can be stably and successively achieved regardless of variation of the demand of the steel product.
SOLUTION: In the method for operating the blast furnace under the reduced production period for performing the operation while suppressing productivity to ≤1.8(t/d/m
3 ) while injecting the large quantity of the pulverized coal at pulverized coal ratio of ≥150(kg/tp) from a tuyere, the pulverized coal having ≥28% volatile matter content is used and a thermal mass flow ratio expressed by the ratio of solid heat capacity to gas heat capacity is controlled to ≤0.8 to perform the operation.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种操作高炉的方法，即使在减少生产期间注入大量粉煤的情况下，也可以良好地向铁水传热并有效地燃烧粉碎的由于保持了像普通操作那样实现充分的炉热的煤，因此确保了大量粉碎焦炭通过注射而减少与粉煤比例相对应的焦炭比，并且降低了操作成本和降低了无论钢产品的需求如何变化，都能够稳定地连续地实现环境负荷。解决方案：在将生产率抑制在≤1.8（t / d / m 3 ）的同时，在减少生产期间操作高炉的方法中，同时注入大量的使用来自风口的粉煤比例≥150（kg / tp）的粉煤，使用具有≥28％挥发物含量的粉煤，并且控制由固体热容量与气体热容量的比率表示的热质量流量比至≤0.8执行操作。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2011111631A Method for operating blast furnace 审中-公开
标题翻译：操作BLAST FURNACE的方法
公开(公告)号：JP2011111631A
公开(公告)日：2011-06-09
申请号：JP2009266506
申请日：2009-11-24
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： MITSUOKA NAYUTA , KITANO SHINJI , ITO KENJI , SATO ATSUSHI , TADAI RIKIZO , UCHIDA HISASHI
IPC分类号： C21B5/00
摘要： PROBLEM TO BE SOLVED: To efficiently suppress the production and accumulation of zinc-deposits on a furnace wall by a method applicable effectively in the actual operation even under operating atmosphere where the average gas flowing speed in the furnace opening hole is maintained to small at the reduced producing term or the like in a blast furnace.
SOLUTION: In the method for operating the blast furnace, by which the average gas flowing-speed Va in the furnace opening hole is maintained to ≤1.0(m/s), the average gas flowing-speed Va in the furnace opening hole and the gas temperature Tc at the center of the furnace opening hole satisfy formula (1): Tc(°C)≥-720Va(m/s)+1160.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了有效地抑制炉壁上的锌沉积物的生成和积累，即使在保持炉开孔中的平均气体流速保持为的操作气氛下，也可以通过实际操作有效地应用在高炉中的生产期减少等小。解决方案：在用于操作高炉的方法中，炉开孔中的平均气体流动速度Va保持在≤1.0（m / s），炉开口中的平均气体流动速度Va 孔的中心处的气体温度Tc满足式（1）：Tc（℃）≥-720Va（m / s）+1160。版权所有（C）2011，JPO＆INPIT

6. 发明专利

JP2009185322A Method for monitoring abnormal charge into blast furnace, and monitoring device using the method 有权
标题翻译：用于将异常充电监测到高炉中的方法以及使用该方法监测装置
公开(公告)号：JP2009185322A
公开(公告)日：2009-08-20
申请号：JP2008025152
申请日：2008-02-05
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： HIRAI MAKOTO , OTSUKA YOSHIHISA , TADAI RIKIZO
IPC分类号： C21B5/00 , C21B7/24
摘要： PROBLEM TO BE SOLVED: To provide a method for monitoring abnormal charge into a blast furnace, which can quickly and accurately detect the abnormal charge, and to provide a device for monitoring the abnormal charge using the method. SOLUTION: This monitoring method includes: detecting a position on which a charged fresh material has been dropped in a blast furnace, in a furnace radius of a predetermined position, when the fresh material to be charged has been charged; measuring the shape of an upper surface layer which has been formed in the furnace radius of the predetermined position by the charged fresh material; deriving an angle θ of a tilting angle of the upper surface layer of the charged fresh material at the dropped position with respect to a horizontal surface, on the basis of the detected dropped position and the measured shape of the upper surface layer; and detecting the abnormal charge of the charged material, on the basis of the angle θ of the tilting angle. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于监测高炉中的异常电荷的方法，其可以快速和准确地检测异常电荷，并提供使用该方法监测异常电荷的装置。解决方案：该监测方法包括：当要充电的新鲜材料已经充电时，检测在高炉中已经投入的新鲜材料在预定位置的炉半径中的位置; 测量通过带电的新鲜材料在预定位置的炉半径中形成的上表面层的形状; 基于检测到的下降位置和所测量的上表面层的形状，得出相对于水平面的下落位置处的带电新鲜材料的上表面层的倾斜角度θ; 并且基于倾斜角度的角度θ检测带电材料的异常电荷。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2008231507A Method for operating powdery material-combined blowing in blast furnace 有权
标题翻译：用于在火炉中操作粉末材料组合吹塑的方法
公开(公告)号：JP2008231507A
公开(公告)日：2008-10-02
申请号：JP2007072877
申请日：2007-03-20
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： SAWAYAMA MUNEYOSHI , TADAI RIKIZO
IPC分类号： C21B5/00
摘要： PROBLEM TO BE SOLVED: To provide a method for operating a blast furnace with which a best permeable state in the furnace can be secured regardless of the level of fine coal rate, when basic flux together with the fine coal are injected from a tuyere.
SOLUTION: The injecting quantity of the basic flux is adjusted so that slag basicity (C/S)
slag of the slag before the tuyere defined with the following formula, becomes in the range of 0.3-0.9. (C/S)
slag =[PCR×A
pc ×%(CaO)
pc.ash +CR×A
coke ×%(CaO)
coke.ash ×0.5+FLR×%(CaO)
flux ]/[PCR×A
pc ×%(SiO
2 )
pc.ash +CR×A
coke ×%(SiO
2 )
coke.ash ×0.5+FLR×%(SiO
2 )
flux ] Wherein, PCR: fine coal ratio, CR: coke ratio, FLR: basic flux ratio, A
pc ,A
coke : ash content in the fine coal and in the coke, %(CaO)
pc.ash , %(CaO)
coke.ash , %(CaO)
flux : CaO content in the fine coal ash, in the coke ash and in the basic flux, %(SiO
2 )
pc.ash , %(SiO
2 )
coke.ash , %(SiO
2 )
flux : SiO
2 content in the fine coal ash, in the coke ash and in the basic flux.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于操作高炉的方法，其中可以确保炉中最佳渗透状态，而不管细煤速率如何，当与煤一起注入基本助熔剂时风口。
解决方案：调整基本助焊剂的注入量，使得在下式定义的风口之前，炉渣的渣碱度（C / S）渣变为0.3〜 0.9。（C / S）炉渣 = [PCR×A PC ×％（CaO）的 pc.ash + CR×A 焦炭< /SB>×%(CaO)coke.ash×0.5+FLR×%(CaO)flux]/[PCR×Apc× ％（SIO 2 ） pc.ash + CR×A 焦炭×％（SIO 2 ）焦炭/焦炭比率，焦炭比，FLR：碱性通量比例，A ，A 焦炭：细煤和焦炭中的灰分含量％（CaO） pc.ash ％ CaO）焦炭，％（CaO）通量：焦煤中的CaO含量，焦炭灰和碱性助熔剂中的CaO含量％（SiO ％（SiO 2 SBB），％（SiO 2 ） >）通量：细煤灰，焦炭中和基础助熔剂中的SiO 2 含量。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2006063383A Method for operating blast furnace 有权
标题翻译：操作BLAST FURNACE的方法
公开(公告)号：JP2006063383A
公开(公告)日：2006-03-09
申请号：JP2004246855
申请日：2004-08-26
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： MATSUI YOSHIYUKI , SAWAYAMA MUNEYOSHI , TADAI RIKIZO , MATSUO TADASHI
IPC分类号： C21B5/00
摘要： PROBLEM TO BE SOLVED: To provide a method for operating a blast furnace, in which the depth of a molten iron tapping hole can further surely be stabilized while avoiding the excessive increase of the operating cost by restraining the consumption of mud without depending on the excessive trial and error, and the the service life of the furnace can be prolonged.
SOLUTION: The depth L
RW of a raceway 3 formed in the furnace inside of a tuyere 2 positioned at the upper part of the molten iron tapping hole 1, is adjusted so as to satisfy r
TH /r
RW TH of the molten iron tapping hole, wherein r
TH : distance from the center axis of the blast furnace to the tip end part in the furnace inside of the molten iron tapping hole, r
RW : distance from the center axis of the blast furnace to the tip end part in the furnace inside of the raceway. The adjustment of L
RW is performed with either one or both of operational actions of the operational action for increasing/decreasing fuel quantity blown into the furnace from the tuyere and the operational action for increasing/decreasing the blasting quantity in a blasting branched tube 4 connected with the tuyere.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：提供一种操作高炉的方法，其中可以进一步可靠地稳定铁水漏斗的深度，同时通过抑制泥浆的消耗而避免操作成本的过度增加，而不依赖于过度试错，可延长炉的使用寿命。解决方案：在位于铁水龙头1上部的风口2的炉内形成的轨道3的深度L SB 被调整为满足r < SB> TH / r RW <0.95，以稳定铁水龙头孔的深度L TH ，其中r < 从高炉的中心轴到熔渣铁炉内的前端部的距离r RW ：从高炉中心轴到前端部的距离炉内内的滚道。通过风口的吹入燃料量的操作动作的操作动作中的一个或两个来执行L RW 的调整，以及用于增加/减少爆破量的操作动作在与风口连接的爆破分支管4中。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2012082454A Method for operating blast furnace 审中-公开
标题翻译：操作BLAST FURNACE的方法
公开(公告)号：JP2012082454A
公开(公告)日：2012-04-26
申请号：JP2010227703
申请日：2010-10-07
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： UCHIDA HISASHI , KITANO SHINJI , SATO ATSUSHI , ITO KENJI , TADAI RIKIZO , MITSUOKA NAYUTA
IPC分类号： C21B5/00
摘要： PROBLEM TO BE SOLVED: To provide a coke charging method using a swinging chute in a bell-less blast furnace capable of intensively strengthening a central gas flow at the time of operating the blast furnace by minimizing a layer thickness ratio of an ore layer and a coke layer in a furnace center region of the blast furnace especially near a deadman by a minimum coke charge.SOLUTION: The coke charging method in forming ore layers and coke layers alternately in a furnace by charging ore and coke into a blast furnace by using a swinging chute is characterized by: firstly forming a first coke layer so as to cover an ore layer by charging coke into a region of a furnace wall side in a ring shape; forming a second coke layer, subsequently, on the first coke layer so as to cover the middle region of the furnace wall side region and a furnace center region by spirally charging the coke into the middle region between the furnace wall side region and the furnace center region; and forming a third coke layer, furthermore, on the second coke layer so as to cover the furnace center region by charging the coke into the furnace center region.
摘要翻译：要解决的问题：提供一种在无鼓风炉中使用摆动滑槽的焦炭充电方法，其能够通过使矿石的层厚度比最小化来强化高炉操作时的中心气流在高炉的炉中心区域中的焦炭层和焦炭层，特别是靠近死人的焦炭含量最低。解决方案：通过使用摆动槽将矿石和焦炭装入高炉中，在炉中交替形成矿石层和焦炭层的焦炭装料方法的特征在于：首先形成第一焦炭层以覆盖矿石通过将焦炭装入环形壁的炉壁侧的区域中; 然后在第一焦炭层上形成第二焦炭层，以便通过将焦炭螺旋状地装入炉壁侧区域和炉中心之间的中间区域来覆盖炉壁侧区域的中间区域和炉中心区域地区; 此外，在第二焦炭层上形成第三焦炭层，以便通过将焦炭装入炉中心区域来覆盖炉中心区域。版权所有（C）2012，JPO＆INPIT

10. 发明专利

JP2011153369A Method for desiliconizing molten iron on blast furnace casting bed 有权
标题翻译：用于在火焰铸造炉上去除铁的方法
公开(公告)号：JP2011153369A
公开(公告)日：2011-08-11
申请号：JP2010017285
申请日：2010-01-28
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： NAKASUGA TAKAMITSU , TADAI RIKIZO , UCHIDA HISASHI
IPC分类号： C21C1/04
摘要： PROBLEM TO BE SOLVED: To enable to stably perform a desiliconization for improving the desiliconizing efficiency without generating the unevenness.
SOLUTION: When the silicon in the molten iron is continuously removed by adding a desiliconizing agent to the molten iron flowig in a molten iron flowing passage on a casting bed of a blast furnace from an upperside while mixing the molten iron and the desiliconizing agent by dipping an impeller 10 in the molton iron and rotating; the grain size of the desiliconizing agent is made to be ≤1 mm and the basicity (CaO/SiO
2 ) of the desiliconizing agent is made to be 1.2-3.7 and also, T.Fe is made to be 30-65 mass% and the maximum thickness of the slag is made to be 150-600 mm and the stirring power density (ε
m ) is satisfied to formula (1) so as to satisfy 25-250 W/t and the molten iron flowing speed is made to be 0.8-2.0 m/min.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了能够稳定地进行脱硅以提高脱硅效率而不产生不均匀性。
解决方案：当将铁水和脱硅化合物混合时，通过在高炉浇铸床上的铁水流动通道中的铁水流中加入脱硅剂来连续除去铁水中的硅，通过将叶轮10浸入铁矿中并旋转; 将脱硅剂的粒径设为≤1mm，脱硅剂的碱度（CaO / SiO 2 SBS 2 ）为1.2〜3.7，将T.Fe制成为30〜65质量％，炉渣的最大厚度为150〜600mm，式（1）满足搅拌功率密度（ε m ），满足25〜 250W / t，铁水流速为0.8〜2.0m / min。版权所有（C）2011，JPO＆INPIT

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