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1. 发明专利

JP2007031811A Method for evaluating condition of tuyere and lower part of blast furnace 有权
标题翻译：用于评估锅炉和下部烤炉条件的方法
公开(公告)号：JP2007031811A
公开(公告)日：2007-02-08
申请号：JP2005220433
申请日：2005-07-29
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： NOUCHI YASUHEI , SATO MICHITAKA , ARIYAMA TATSURO
IPC分类号： C21B7/16 , C21B7/24 , G01K1/14
摘要： PROBLEM TO BE SOLVED: To provide a method for evaluating the condition in the lower part of a blast furnace which can be used as an operational control index by measuring the pressure and the temperature in the lower part of the blast furnace, and a tuyere with which the pressure and the temperature in the lower part of the blast furnace can be measured.
SOLUTION: The tuyere 1 for blasting into the blast furnace, is penetrated between the furnace inner side and the furnace outer side in the lower part of the tuyere body and provided with a hole part 2 opened on the outer peripheral part of the tuyere at the end part 2a in the furnace inner side. The method for evaluating the condition in the lower part of the blast furnace, is performed, with which one or more kinds among the pressure, brightness, temperature, picture image information in the furnace, are measured through the hole part opened at the lower part of the outer peripheral part of the tuyere to the end side at the furnace inner side. In this method, the pressure in the lower part of the blast furnace is measured by blowing inert gas into the furnace from the hole part of the tuyere and measuring the pressure of the blowing gas.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于评估高炉下部状态的方法，该方法可以通过测量高炉下部的压力和温度而用作操作控制指数，以及可以测量高炉下部的压力和温度的风口。
解决方案：用于喷射到高炉中的风口1在风口下部的炉内侧和炉外侧之间穿过，并且在外部的外周部分上设有孔部2 在炉内侧的端部2a处的风口。进行用于评价高炉下部的状况的方法，通过在下部开口的孔部测量炉中的压力，亮度，温度，图像图像信息中的一种或多种将风口的外周部分分配到炉内侧的端侧。在该方法中，通过从风口的孔部向炉内吹入惰性气体，测定吹出气体的压力，测定高炉下部的压力。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2009046712A Tuyere ring and blast furnace tuyere with tuyere ring installed therein 有权
标题翻译：带环形环的牛津戒指和火焰炉TUYERE
公开(公告)号：JP2009046712A
公开(公告)日：2009-03-05
申请号：JP2007212158
申请日：2007-08-16
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： FUKUMOTO CHIEKO , KASHIWABARA YUSUKE , NOUCHI YASUHEI , SATO MICHITAKA
IPC分类号： C21B7/16
摘要： PROBLEM TO BE SOLVED: To provide a tuyere ring and a blast furnace tuyere with the tuyere ring installed therein which contribute to an increase in injection quantity of fine powdery coal and to formation of a stable raceway having depth and spread by optionally setting the blasting angle of hot-blast although an ordinary tuyere with the tuyere ring installed therein is used and a Laval tuyere is not used.
SOLUTION: The cylindrical tuyere ring 2b installed inside the blast furnace tuyere 1 is used, the cylindrical tuyere ring 2b being characterized in that at a part of the tuyere ring, the thickness of the tuyere ring is continuously changed so that the thickness of the tuyere ring reduces in an axial direction, and at a part opposite to the above part of the tuyere ring in a circumferential direction, the thickness of the tuyere ring is continuously changed so that the thickness of the tuyere ring increases in the axial direction. The blast furnace tuyere with the tuyere ring installed therein is characterized in that the above tuyere ring 2b is installed in the tuyere 1 in such a way that the upper part of the tuyere ring becomes thinner toward a blast-inlet side and becomes thicker toward a blast-outlet side, and the lower part becomes thicker toward the blast-inlet side and becomes thinner toward the blast-outlet side.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种风口环和高炉风口，其中安装有风口环，这有助于细粉煤的喷射量增加，并形成具有深度和扩展的稳定的滚道，可选地设置使用其中安装有风口环的普通风口的热风爆破角，并且不使用拉瓦尔风口。
解决方案：使用安装在高炉风口1内的圆筒形风口环2b，其特征在于，在风口环的一部分，风口环的厚度连续变化，风口环在轴向上减小，并且在与风口环的上述部分相反的一部分的圆周方向上，风口环的厚度连续变化，使得风口的轴线方向的厚度增加。其中安装有风口环的高炉风口的特征在于，上述风口环2b安装在风口1中，使得风口的上部朝向鼓风入口侧变薄，朝向鼓风口侧变厚喷出口侧，下部朝向鼓风口侧变厚，朝向吹出口侧变薄。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2005314771A Blast furnace facility and method for charging raw material 审中-公开
标题翻译： BLAST FURNACE设施和充电原料的方法
公开(公告)号：JP2005314771A
公开(公告)日：2005-11-10
申请号：JP2004135905
申请日：2004-04-30
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： NOUCHI YASUHEI , SATO TAKESHI , SATO MICHITAKA , ARIYAMA TATSURO
IPC分类号： C21B5/00 , C21B7/20
摘要： PROBLEM TO BE SOLVED: To provide a blast furnace facility with which only gas flowing extremely near the furnace wall in the blast furnace body can independently be controlled, and the consumption of coke can be reduced and the utilizing ratio of the gas can be improved.
SOLUTION: The blast furnace body 1 and a cylindrical member 14 disposed along the outer peripheral part of the furnace opening hole 1a in a piling surface of raw materials at the furnace top 2 of the blast furnace body 1, are included and the raw materials are charged from the furnace opening hole 1a in a state in which the cylindrical member 14 is arranged.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种高炉设备，其中仅能够独立地控制高炉炉体中靠近炉壁的气体，并且可以减少焦炭的消耗，并且气体的利用率可以要改进解决方案：包括高炉炉体1的炉顶2的原料堆积面中的炉体开口孔1a的外周部配置的高炉炉体1和圆筒部件14，原料在布置有圆柱形构件14的状态下从炉开孔1a装入。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2009046711A Method for operating blast furnace for preventing wear of furnace bottom brick 审中-公开
标题翻译：用于防止炉底砖的磨损的操作方法
公开(公告)号：JP2009046711A
公开(公告)日：2009-03-05
申请号：JP2007212156
申请日：2007-08-16
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： NOUCHI YASUHEI , SATO MICHITAKA
IPC分类号： C21B5/00
摘要： PROBLEM TO BE SOLVED: To provide a method for operating a blast furnace, with which wear of a furnace bottom brick can surely be prevented in comparison with the related art at low cost without damaging the quality of molten iron.
SOLUTION: In the blast furnace operation performed by charging raw materials from the furnace top part, when the brick temperature at the furnace bottom part is raised from a prescribed temperature, CaO/SiO
2 being the mass ratio of the CaO component and SiO
2 component in the raw materials, is charged while the ratio is controlled to be >1.3, and the wear of the furnace bottom brick 5 is prevented by controlling the brick temperature to a prescribed temperature or lower. Further, the raw materials in which the CaO/SiO
2 mass ratio of the CaO component and the SiO
2 component, is controlled to be >1.3, are charged in an area of within 10% throat diameter ratio including the furnace axial center, and the wear of the furnace bottom brick is prevented by controlling the brick temperature to a prescribed temperature or lower.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种操作高炉的方法，与现有技术相比，可以可靠地低成本地防止炉底砖的磨损，而不损害铁水的质量。
解决方案：在通过从炉顶部装入原料进行的高炉操作中，当炉底部的砖温从规定温度升高时，CaO / SiO 2 为原料中的CaO成分和SiO 2 成分的质量比被控制为1.3以下，并且通过控制砖温度来防止炉底砖5的磨损达到规定的温度以下。此外，将CaO成分和SiO 2 成分的CaO / SiO 2 质量比控制在1.3以下的原料装入到包括炉轴中心在10％以下的喉部直径比，并且通过将砖温度控制在规定温度以下来防止炉底砖的磨损。版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2008214735A Method for operating blast furnace 有权
标题翻译：操作BLAST FURNACE的方法
公开(公告)号：JP2008214735A
公开(公告)日：2008-09-18
申请号：JP2007058124
申请日：2007-03-08
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： SATO MICHITAKA , NOUCHI YASUHEI
IPC分类号： C21B5/00
CPC分类号： Y02P10/122
摘要： PROBLEM TO BE SOLVED: To inexpensively provide a method for operating a blast furnace by which even in performing operation having low reducing material ratio, malfunction of furnace condition, especially defective temperature rise at the upper part of the furnace can be avoided. SOLUTION: The method for operating a blast furnace is used in blast furnace operation in which hot-blast blowing having ≤10 vol% oxygen-enriching ratio from tuyeres 2 is performed, the method is characterized in that when the furnace top temperature becomes ≤110°C, gas having quantity of ≤10 vol% of the furnace top gas (c) quantity is blown into the blast furnace from the upper part of the blast furnace shaft as the shaft gas, It is desirable that the blast furnace generating gas stocked in a gas holder in the iron-making plant or gaseous mixture (g) of the blast furnace generating gas and a coke-furnace generating gas or a part of circulating furnace top gas is blown as the shaft gas. Further, it is desirable that the shaft gas is blown after removing carbon dioxide and the shaft gas is blown after being heated to ≥500°C. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题为了廉价地提供一种操作高炉的方法，通过该方法即使在具有低还原材料比的操作中，也可以避免炉子状态的故障，特别是炉上部的不良温度升高。解决方案：在高炉操作中使用高炉的操作方法，其中进行吹风吹风，其中吹风吹风口具有不大于10体积％的来自风嘴2的富氧比，该方法的特征在于当炉顶温度成为≤110℃，将炉顶气（c）量的≤10体积％的气体作为轴气体从鼓风炉轴的上部吹入高炉，期望高炉作为轴气体，吹入储存在炼铁厂的气体保持器中的发生气体或高炉产生气体的气体混合物（g）和焦化炉产生气体或循环炉顶部气体的一部分。此外，理想的是，在除去二氧化碳之后吹入轴气，并且在加热至≥500℃之后将轴气吹入。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2007231326A Blast furnace operation method 有权
标题翻译： BLAST FURNACE操作方法
公开(公告)号：JP2007231326A
公开(公告)日：2007-09-13
申请号：JP2006052311
申请日：2006-02-28
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： SATO MICHITAKA , NOUCHI YASUHEI , SATO TAKESHI , WATAKABE SHIRO , ARIYAMA TATSURO
IPC分类号： C21B5/00 , C22B1/16
摘要： PROBLEM TO BE SOLVED: To provide a blast furnace operation method where, when an operation is performed using highly reactive coke in a blast furnace, a reduction material ratio in the blast furnace can be reduced while deterioration in the gas permeability of the blast furnace is prevented.
SOLUTION: In the blast furnace operation method, in blast furnace operation where ore and coke are charged from a furnace top so as to alternatively form an ore layer and a coke layer, the coke layer is composed of coke in which CRI (coke reactivity index) value is ≤32, and the average particle diameter is ≥45 mm, and the ore layer is mixed with coke having a CRI value of ≥31 and the average particle diameter of ≤35 mm by ≥120 kg/t. As the coke mixed into the ore layer, ferrocoke produced by mixing ore and coal and carbonizing the mixture is preferably used.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种高炉操作方法，其中当使用高炉中的高反应性焦炭进行操作时，可以降低高炉中的还原材料比，同时降低其中的气体渗透性防止高炉。解决方案：在高炉操作方法中，在高炉操作中，从炉顶装入矿石和焦炭，以形成矿石层和焦炭层，焦炭层由焦炭组成，其中CRI 焦炭反应性指数）值≤32，平均粒径≥45mm，矿层与CRI值≥31，平均粒径≤35mm的焦炭混合≥120kg/ t。当焦炭混入矿石层时，优选使用通过混合矿石和煤炭并将混合物碳化的铁焦炭。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2007197803A Method for recovering waste heat from tuyere in blast furnace 审中-公开
标题翻译：用于从锅炉中回收废热的方法
公开(公告)号：JP2007197803A
公开(公告)日：2007-08-09
申请号：JP2006020365
申请日：2006-01-30
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： NOUCHI YASUHEI , FUKUMOTO CHIEKO , KASHIWABARA YUSUKE , SATO TAKESHI , SATO MICHITAKA
IPC分类号： C21B7/16 , F27B1/16 , F27D17/00
CPC分类号： Y02P10/283
摘要： PROBLEM TO BE SOLVED: To provide a method for recovering waste heat from a tuyere in a blast furnace by which the energy consumed in the blast furnace is reduced by recovering waste heat from fluid used for cooling the blast furnace and thereby the consumption of carbon can be reduced. SOLUTION: The method for recovering the waste heat from the tuyere in the blast furnace is characterized in that the tuyere is cooled by passing the fluid having a boiling point of over 100°C through inside the tuyere in the blast furnace and heat is recovered from the above liquid after cooling the tuyere. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于从高炉中的风口回收废热的方法，通过从用于冷却高炉的流体中回收废热，从而消耗高炉中的能量，从而消耗高能量的碳可以减少。解决方案：从高炉风口回收废热的方法的特征在于，通过将沸点超过100℃的流体通过高炉风口内的风口进行风冷而使风口冷却在冷却风口后从上述液体中回收。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2005194545A 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：JP2005194545A
公开(公告)日：2005-07-21
申请号：JP2003435254
申请日：2003-12-26
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： NOUCHI YASUHEI , TAKEDA KANJI , SATO MICHITAKA , ARIYAMA TATSURO
IPC分类号： C21B5/00
摘要： PROBLEM TO BE SOLVED: To provide a method for operating a blast furnace, which stably secures a coke-free space in a vicinity of a tap hole in the blast furnace for a long period.
SOLUTION: The operating method includes, when operating the blast furnace by intermittently tapping molten slag and pig iron in a packed bed 34 in a lower part of the blast furnace while alternately opening and closing a plurality of tap holes 33 installed in a blast furnace 31, making a rate of consumption of coke higher in the vicinity of or right above the tap holes 33 than in other peripheral positions.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：解决的问题：提供一种操作高炉的方法，该方法能够长时间地稳定地保持高炉矿井附近的无焦空间。解决方案：操作方法包括在高炉的下部间歇地将熔融炉渣和生铁中的填充床34中的熔渣和生铁进行操作时，同时交替地打开和关闭安装在高炉中的多个排放孔33 高炉31，使焦炭的消耗量比抽头孔33的附近或其他周边位置高。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2005024129A Discharging device 有权
标题翻译：放电装置
公开(公告)号：JP2005024129A
公开(公告)日：2005-01-27
申请号：JP2003187782
申请日：2003-06-30
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： ISHIWATARI NATSUO , HIGUCHI TAKAHIDE , NOUCHI YASUHEI , SAWA YOSHITAKA
IPC分类号： C21B13/10 , F27B9/39 , F27D3/08
摘要： PROBLEM TO BE SOLVED: To provide a discharging device enabling an increase in efficiency for discharging products from a hearth and an effectively usable ratio of heat in the hearth of a mobile type furnace.
SOLUTION: This discharge device 1 comprises a screw feeder 10 in which a rotating shaft 12 has a screw 11 crossing the moving direction of the hearth 31, a bottom plate 15, and a cover plate 18. The bottom plate 15 is disposed between the screw 11 and the hearth 31 and the screw 11 is rotated in a direction for pushing out coal materials 32 and products 33 to an inlet 20 side through the bottom plate 15 and the screw 11.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够提高从炉膛排出产品的效率和可移动式炉的炉床中有效可用的热量的排放装置。解决方案：该排出装置1包括螺旋进料器10，旋转轴12具有与炉床31的移动方向交叉的螺杆11，底板15和盖板18.底板15设置在螺杆11和炉床31之间，螺杆11沿着将煤材32和产品33推出通过底板15和螺钉11的入口20侧的方向转动。（C）2005 ，JPO＆NCIPI

10. 发明专利

JP2009062576A Method and apparatus for charging raw material into blast furnace 有权
标题翻译：将原料充入火炉的方法和装置
公开(公告)号：JP2009062576A
公开(公告)日：2009-03-26
申请号：JP2007230884
申请日：2007-09-06
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： KASHIWABARA YUSUKE , SATO TAKESHI , NOUCHI YASUHEI , SATO MICHITAKA
IPC分类号： C21B5/00 , C21B7/20
摘要： PROBLEM TO BE SOLVED: To provide a method and an apparatus for charging raw materials into a blast furnace with which in a bell-less blast furnace having swinging chute, an ore layer thickness ratio is lowered in only narrow range near the furnace wall part, and in this way, gas flowing amount in only narrow range near the furnace wall part is increased and a gas utilizing rate to the whole blast furnace can be improved and also, the environmental gas flowing amount can be controlled. SOLUTION: The method for charging the raw materials into the blast furnace, is performed as the followings, that when the raw materials are charged into the blast furnace by using the bell-less charging apparatus having the swinging chute, the raw materials are charged into near the furnace wall in the blast furnace under state that becomes cokes at the upper part and ores at the lower part in the swinging chute. Further, the apparatus for charging the raw materials into the blast furnace, has a furnace top bunkers 1,2 and a vertical chute 4, and a collecting hopper 3 for charging the raw materials into the swinging chute 5 through the vertical chute 4 by receiving the raw materials dropped down from the furnace top bunkers 1,2 and an auxiliary bunker 7, and the discharging hole of the auxiliary bunker 7 is positioned on the center axis of the vertical chute 4 in the collecting hopper 3. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种将原料装入高炉的方法和装置，在具有摆动滑槽的无钟高炉中，矿层厚度比在炉附近的窄范围内降低这样，炉壁部附近的气体流量仅在窄范围内增加，能够提高对整个高炉的气体利用率，并且还可以控制环境气体的流动量。解决方案：将原料装入高炉中的方法如下进行：当通过使用具有摆动滑槽的无铃装料装置将原料装入高炉时，原材料在高炉的炉壁附近，在上部成为焦炭的状态下，在摆动槽的下部装入矿石。此外，用于将原材料装入高炉的装置具有炉顶仓1,2和垂直槽4以及收集料斗3，用于通过接收通过垂直槽4将原料充入摇摆滑槽5 原料从炉顶仓1,2和辅助仓7下降，辅助仓7的排出孔位于收集料斗3中的垂直槽4的中心轴上。版权所有：（C）2009，JPO＆INPIT

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