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1. 发明专利

JP2006105517A Heat storage burner 审中-公开
标题翻译：热存储燃烧器
公开(公告)号：JP2006105517A
公开(公告)日：2006-04-20
申请号：JP2004293956
申请日：2004-10-06
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： MORITA TOYOHIKO , UCHIDA SHINJIRO
IPC分类号： F23L15/02 , F23D14/66 , F28D17/02
CPC分类号： Y02E20/348
摘要： PROBLEM TO BE SOLVED: To provide a heat storage burner capable of preventing reduction in heat exchange efficiency by drift by preventing, at the time of inclining a heat reservoir support member so that a heat reservoir such as alumina balls can be manually easily taken out, combustion air or combustion exhaust gas from being carried much to a part where the filling layer of the heat reservoir is thinned. SOLUTION: In this heat storage burner 1 including a heat accumulator 6 for filling the heat reservoir 8, the heat reservoir support member 7 is provided within the heat accumulator 6 with an inclination downward to a heat reservoir taking-out lid 9 on a side surface of the heat accumulator 1. In order to prevent the drift caused by change in thickness of the filling layer of the heat reservoir 8 at the time of filling the heat reservoir 8 on the support member 7, a drift prevention part 10 covering the part where the filling layer of the heat reservoir 8 is thinned is provided within the heat accumulator 6. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：提供一种能够通过防止在将蓄热器支撑构件倾斜的时候防止通过漂移而降低热交换效率的蓄热燃烧器，从而可以手动地容易地进行诸如氧化铝球的蓄热器取出，燃烧空气或燃烧废气被输送到储热器的填充层变薄的部分。解决方案：在包括用于填充蓄热器8的蓄热器6的蓄热燃烧器1中，储热器支撑构件7设置在蓄热器6内，向下倾斜到储热器取出盖9 蓄热器1的侧面。为了防止在将蓄热器8填充在支撑构件7上时由蓄热器8的填充层的厚度变化引起的漂移，覆盖储热器8的填充层被薄化的部分设置在蓄热器6内。（C）版权所有（C）2006，JPO＆NCIPI

2. 发明专利

JP2006249563A Method for blowing oxygen or oxygen-containing gas in arc furnace 审中-公开
标题翻译：吹氩气中含氧或含氧气体的方法
公开(公告)号：JP2006249563A
公开(公告)日：2006-09-21
申请号：JP2005071834
申请日：2005-03-14
申请人： Nippon Steel Corp , Osaka Seitetsu Kk , 大阪製鐵株式会社 , 新日本製鐵株式会社
发明人： MORI KIYOSUKE , UCHIDA SHINJIRO , ICHIKI SEIJI , KIUCHI KEIJI
IPC分类号： C21C5/52 , C21C5/46 , C21C7/00 , C21C7/072 , F27D3/16
CPC分类号： Y02P10/216
摘要： PROBLEM TO BE SOLVED: To provide a simple method for blowing an oxygen or oxygen-containing gas with an equipment constitution where the wear of refractories at the furnace bottom can be suppressed as the effect of stirring molten metal by the blowing of the oxygen or oxygen-containing gas is retained, and further, running cost including maintenance in the operation can be suppressed, and simultaneously, to suppress the reduction of furnace temperature and to improve dust collection effect by sealing the inside of the furnace. SOLUTION: An oxygen or oxygen-containing gas is blown into molten metal from a lance 20 fixedly mounted on the outer part of the furnace wall in an arc furnace. The blowing is performed in such a manner that the position of a discharge port 22 for an oxygen or oxygen-containing gas at the tip part 21 of the lance is made far by ≥700 mm in the vertical direction from a molten metal face, also, regarding the angle at which the oxygen or oxygen-containing gas discharged from the discharge port rushes in the molten metal face, in the face in the vertical direction, its angle from the molten metal face is controlled to the range of 30 to 60°, and the blowing speed of the oxygen or oxygen-containing gas from the discharge port at the tip part of the lance is decided so that its rushing speed onto the surface of the molten metal is controlled to the range of 150 to 300 m/s. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于吹送含氧气体或含氧气体的简单方法，其具有可以抑制炉底处的耐火材料的磨损的设备结构，因为通过吹送熔融金属来搅拌熔融金属的作用保持氧气或含氧气体，并且还能够抑制运转中的运转成本，同时能够抑制炉温的降低，并且通过密封炉内部来提高集尘效果。解决方案：将氧或含氧气体从固定安装在电弧炉炉壁外部的喷枪20吹入熔融金属中。喷射是这样一种方式，使得在喷枪的尖端部分21上的含氧气体或含氧气体的排放口22的位置在熔融金属表面的垂直方向上远远大于等于700mm 关于从排出口排出的氧气或含氧气体冲入熔融金属面的角度，在垂直方向的面上，其与熔融金属面的角度被控制在30〜60°的范围内并且确定来自喷枪尖端部分的排出口的氧气或含氧气体的吹送速度，使得其对熔融金属表面的冲击速度控制在150至300m / s的范围内。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2004177009A Filter type dust collector for electric furnace 审中-公开
公开(公告)号：JP2004177009A
公开(公告)日：2004-06-24
申请号：JP2002344302
申请日：2002-11-27
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： UCHIDA SHINJIRO , SOMA NAOHITO , MORI TADASHI
IPC分类号： F27B3/10 , F27D17/00
摘要： PROBLEM TO BE SOLVED: To provide a filter type dust collector for an electric furnace for inexpensively and effectively reducing dioxin and the like in exhaust gas exhausted from the electric furnace by a conventional method in processing equipment of the exhaust gas generated from the electric furnace used for melting and refining metal.
SOLUTION: A grating-shaped or well crib-shaped pipe group 6 for supplying a cooling medium inside is arranged in a filter 2 as a cooling system for lowering a surface temperature of the filter by cooling atmospheric gas on a surface of the filter or in the vicinity of the surface of the filter.
COPYRIGHT: (C)2004,JPO

4. 发明专利

JP2004174388A Method and equipment for treating flue gas of electric furnace 审中-公开
公开(公告)号：JP2004174388A
公开(公告)日：2004-06-24
申请号：JP2002344290
申请日：2002-11-27
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： UCHIDA SHINJIRO , TAMARU KOJI , TANABE KEIICHI , MORI TADASHI
IPC分类号： F23J15/00 , B01D53/34 , B01D53/70 , F27D17/00 , F27D19/00 , F27D21/00
摘要： PROBLEM TO BE SOLVED: To provide a method and equipment for flue gas treatment of electric furnace, wherein concentration of DXN (dioxins) in flue gas treatment of an electric furnace is controlled so as to reach at most a target value on the discharge side of a dust collector by optimally operating respective equipment in accordance with DXN concentration. SOLUTION: In the flue gas treatment, flue gas 6 directly drafted from the electric furnace 1 is merged into flue gas 9 of atmosphere gas drafted from a building. Dioxins in the merged flue gas are removed by the dust collector 10. Concentration of DXN at the discharge port of the dust collector is estimated to control the flue gas flow-rate on the basis of estimated values of DXN concentration according to operation times of the furnace 1, measurement results of temperatures and flow rates of respective flow gases, and the relation between temperature in the dust collector and the rate of DXN removal. COPYRIGHT: (C)2004,JPO

5. 发明专利

JP2003279023A Waste plastic combustion burner for electric furnace 有权
标题翻译：用于电炉的废塑料燃烧器
公开(公告)号：JP2003279023A
公开(公告)日：2003-10-02
申请号：JP2002081034
申请日：2002-03-22
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KITAMURA TAKASHI , UCHIDA SHINJIRO , TANABE KEIICHI
IPC分类号： F23G7/12 , F23D1/00 , F27B3/20
摘要： PROBLEM TO BE SOLVED: To provide a waste plastic combustion burner for an electric furnace capable of charging the waste plastic of several dozen-mm, simplifying the preprocessing equipment for thermally recycling the waste plastic, and remarkably reducing the equipment cost.
SOLUTION: In this waste plastic combustion burner mounted on a furnace wall or a furnace lid of the electric furnace used in fusing a metallic material and/or refining molten metal, a channel for spurting oxygen for scrap cutting is formed on a central part, a channel for spurting a fuel and a channel for spurting oxygen for combusting fuel are formed on its outer periphery, a combustion space is formed between a tip of a nozzle of the burner and the electric furnace chamber, and a helical blade is mounted on an inner wall of the combustion space.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了提供能够对几十毫米的废塑料进行充电的电炉的废塑料燃烧器，简化了对废塑料进行热再循环的预处理设备，并显着降低了设备成本。
解决方案：在安装在用于熔化金属材料和/或精炼熔融金属的电炉的炉壁或炉盖上的废塑料燃烧器中，在中心上形成用于喷射氧气的通道，用于废料切割在其外周形成有用于喷射燃料的通道和用于燃烧燃料的氧气的通道，在燃烧器的喷嘴的尖端和电炉室之间形成燃烧空间，并且安装螺旋叶片在燃烧空间的内壁上。版权所有（C）2004，JPO

6. 发明专利

JP2006220374A Auxiliary burner for arc furnace, and its combustion method 审中-公开
标题翻译：用于电弧炉的辅助燃烧器及其燃烧方法
公开(公告)号：JP2006220374A
公开(公告)日：2006-08-24
申请号：JP2005035150
申请日：2005-02-10
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： UCHIDA SHINJIRO , TANABE KEIICHI
IPC分类号： F23D11/10 , F23G5/00 , F23G7/12 , F23L7/00 , F27B3/20
CPC分类号： Y02E20/344
摘要： PROBLEM TO BE SOLVED: To provide an auxiliary burner for an arc furnace and its combustion method, capable of preventing combustion efficiency from being deteriorated by slag and metal deposited in a heat chamber installed between the tip of a burner body and the inside of the furnace, and capable of shortening a maintenance work time and alleviating a worker's burden. SOLUTION: In this auxiliary burner 100 for the arc furnace installed on the furnace wall 3a of the arc furnace 3 and having the burner body 1 and the heat chamber 2, a purge nozzle 5 to spout out a purge gas for preventing the slag and metal from intruding into the heat chamber 2 is disposed inside the heat chamber 2. The purge nozzle 5 is disposed in the lower half of the heat chamber 2. Oxygen-contained gas or inert gas spouts out from the purge nozzle 5 as the purge gas to thereby prevent the deposited slug and metal from intruding into the heat chamber 2. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种用于电弧炉的辅助燃烧器及其燃烧方法，其能够防止燃烧效率被炉渣和金属沉积在安装在燃烧器主体的尖端和内部之间的加热室中而劣化的炉子，能够缩短维护工作时间，减轻工人的负担。解决方案：在用于电弧炉的辅助燃烧器100中，安装在电弧炉3的炉壁3a上并且具有燃烧器主体1和加热室2的清洁喷嘴5用于喷出吹扫气体以防止炉渣和金属进入加热室2设置在加热室2的内部。吹扫喷嘴5设置在加热室2的下半部分。含氧气体或惰性气体从吹扫喷嘴5喷出，如清除气体，从而防止沉积的块和金属进入加热室2.版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2004257679A Device and method for collecting dust of arc furnace 有权
标题翻译：用于收集电弧炉渣的装置和方法
公开(公告)号：JP2004257679A
公开(公告)日：2004-09-16
申请号：JP2003050429
申请日：2003-02-27
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： UCHIDA SHINJIRO , OOOKA TOSHIKAZU
IPC分类号： B01D46/00 , B01D46/44 , F27D17/00 , F27D19/00
摘要： PROBLEM TO BE SOLVED: To provide a device and a method for collecting dust of an arc furnace capable of effectively changing pressure fluctuation caused by change of exhaust gas generation stemming from change of operational conditions in the arc furnace for preventing dispersing the exhaust gas out of the arc.
SOLUTION: In the arc furnace dust collecting device having a furnace pressure setting device 16 for setting furnace pressure of the arc furnace 1 and a detecting device 13 for detecting the furnace pressure of the arc furnace, a moving duct 4 is arranged downstream side of a furnace cover side duct. The device comprises a moving duct control device 17 for controlling speed of the moving duct, a comparison operator for comparing/operating pressure difference between a target value of the furnace pressure set by the furnace pressure setting device and a measured value of the furnace pressure detecting device, and a moving duct control device for controlling a space s between the furnace cover side duct and the moving duct side by the comparison operator. In the method for collecting dust of the arc furnace, the furnace pressure setting device 16 sets the furnace target pressure of the arc furnace 1 and the furnace pressure detecting device 13 provided in the arc furnace detects the furnace pressure. In this method, the moving duct 4 is arranged downstream side of the furnace cover side duct 3, the pressure difference between the furnace target pressure set by the furnace pressure setting device 16 and the measured value of the furnace pressure detecting device 13 is compared/operated, and the space s between the furnace cover side duct 3 and the moving duct side 4 is controlled based on the operation result.
COPYRIGHT: (C)2004,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于收集电弧炉灰尘的装置和方法，该电弧炉能够有效地改变由于电弧炉中的操作条件的变化引起的排气变化的变化引起的压力波动，以防止排气气体出弧。解决方案：在具有用于设定电弧炉1的炉压的炉压设定装置16的电弧炉除尘装置和检测电弧炉的炉压的检测装置13中，配置有下游侧的移动管道4 一侧的炉盖侧管道。该装置包括用于控制运动管道的速度的移动管道控制装置17，用于比较/操作由炉压设定装置设定的炉压的目标值与炉压检测的测量值之间的压力差的比较运算器装置和用于通过比较操作器控制炉盖侧管道和移动管道侧之间的空间的移动管道控制装置。在电弧炉的粉尘收集方法中，炉压设定装置16设定电弧炉1的炉靶压力，设置在电弧炉中的炉压检测装置13检测炉压。在这种方法中，移动导管4设置在炉盖侧管道3的下游侧，将由炉压设定装置16设定的炉对象压力与炉压检测装置13的测定值之间的压差进行比较/ 并且基于操作结果来控制炉盖侧管道3和移动管道侧4之间的空间。版权所有（C）2004，JPO＆NCIPI

8. 发明专利

JP2004163063A Hopper for dust collector dust 审中-公开
标题翻译：用于垃圾收集器的垃圾
公开(公告)号：JP2004163063A
公开(公告)日：2004-06-10
申请号：JP2002332081
申请日：2002-11-15
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： UCHIDA SHINJIRO , KURODA HITOSHI , MORI TADASHI
IPC分类号： B65D88/26 , B65D88/66 , B65D88/68 , F27D17/00
摘要： PROBLEM TO BE SOLVED: To provide a hopper for dust of a dust collector capable of preventing bridging of dust in the hopper so as to certainly discharge the dust when much dust falls due to pulse jet, reverse washing, or the like in the hopper for dust of the dust collector and also when a large lump mixes into the dust.
SOLUTION: The hopper for dust of the dust collector is installed in the lower part of the dust collector for exhaust gas of an electric furnace and is used for storing the dust, and has a conical or pyramidal shape. The inside of the hopper is provided with a dust loosening device having a rotating blade.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种能够防止料斗中的灰尘桥接的集尘器的垃圾斗，以便在由于脉冲喷射，反向洗涤等引起的大量灰尘落下时肯定地排出灰尘垃圾收集器灰尘的漏斗，以及大块混合在灰尘中时。
解决方案：集尘器的灰尘漏斗安装在电炉废气集尘器的下部，用于存放灰尘，具有锥形或锥形。料斗的内部设置有具有旋转叶片的灰尘松动装置。版权所有（C）2004，JPO

9. 发明专利

JP2004137572A Method for refining molten metal containing chromium 有权
公开(公告)号：JP2004137572A
公开(公告)日：2004-05-13
申请号：JP2002304323
申请日：2002-10-18
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： YAMASHITA KOSUKE , ARAI TAKASHI , UCHIDA SHINJIRO
IPC分类号： C21C5/52 , C22C33/04
CPC分类号： Y02P10/216
摘要： PROBLEM TO BE SOLVED: To provide a method for melting, decarburizing and temperature-raising molten metal containing chromium in an electric furnace while restraining oxidized loss of the chromium and iron in the molten metal, when carbon-containing iron source of molten iron, DRI, HBI, etc., are blended as the main raw material. SOLUTION: The method for melting molten metal containing chromium in the electric furnace is performed, with which after charging the raw material such as scrap, ferro-alloy containing no chromium and carbon-containing iron source into the electric furnace, heating, melting and temperature-raising are performed by an electric energy and, the carbon in the molten metal is oxidized and removed, and after the molten metal temperature and carbon concentration become prescribed ones, the above raw material is melted by the electric energy while chromium containing ferro-alloy is continuously fed. COPYRIGHT: (C)2004,JPO

10. 发明专利

ID26044A 未知
公开(公告)号：ID26044A
公开(公告)日：2000-11-16
申请号：ID20001965
申请日：1999-09-27
申请人： NIPPON STEEL CORP
发明人： MORI TADASHI , UCHIDA SHINJIRO , KIRISHIKI KOICHI
IPC分类号： E02F9/22 , F15B11/16 , F27B3/24 , F27D1/12 , F27D9/00 , F27B3/16
摘要： A water-cooled panel for the furnace wall and furnace roof of an electric-arc furnace is provided that reduces power required for heat loss and cooling water supply and, with no need to replace the main water-cooled panel unit owing to wearing of refractory bricks, also achieves a service life equal to or longer than a steel plate welded structure, a steel pipework structure, a copper casting or a water-cooled panel of a steel plate welded structure having no refractory material on the furnace inward side. A water-cooled panel for the furnace wall and furnace roof of an electric-arc furnace is integrally fabricated of refractory bricks arrayed on the furnace inner wall in multiple regularly spaced rows to be exposed at the end surfaces and cooling water pipes installed between the rows of refractory bricks (2) and refractory bricks (2). The refractory bricks (2) have a taper (8) can be tapered so as to make the width of the end faces on the furnace inner side smaller than the width of the end faces opposite side of the furnace a cushioning material (7) can be provided between the contact surfaces of the refractory bricks (2) and the casting, and/or part of the inner surface of the furnace can be formed to be convex.

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