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1. 发明专利

JP2011094208A Method for recovering dust in scrap shredder facility 有权
标题翻译：用于回收刮屑装置中的灰尘的方法
公开(公告)号：JP2011094208A
公开(公告)日：2011-05-12
申请号：JP2009250964
申请日：2009-10-30
申请人： Fuji Car Mfg Co Ltd , Jfe Steel Corp , Jfeスチール株式会社 , 富士車輌株式会社
发明人： KYOZUKA TOSHIKATSU , SHIMOMURA AKIO , HACHIMAN TOSHIFUMI , AZUMA NOBUTAKA
IPC分类号： C22B1/00 , B09B5/00
CPC分类号： Y02P10/234
摘要： PROBLEM TO BE SOLVED: To effectively and stably recover a dust which can be used as a raw material for iron manufacture and the like, from a dust which has been collected in steps of crushing and selecting scrap in a scrap shredder facility. SOLUTION: This recovering method includes classifying a dust (A) which has been collected in the scrap shredder facility, with a sieve, preferably with a sieve having a sieve mesh of 1-5 mm, and recovering the sieved dust (a) as an iron-containing dust. The preferable recovering method includes magnetically selecting the dust (a) which has been obtained in the classification treatment to obtain a dust which has a higher content of iron. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了有效和稳定地回收可用作铁制造原料等的粉尘，从在废粉碎设备中粉碎和选择废料的步骤收集的粉尘。解决方案：该回收方法包括将已经收集在废粉碎设备中的灰尘（A）用筛子分级，优选用筛网为1-5mm的筛子，并回收筛分灰尘（a ）作为含铁粉尘。优选的回收方法包括磁选择在分级处理中获得的粉尘（a），以获得具有较高铁含量的粉尘。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2014210965A 高炉操業方法有权
标题翻译： BLAST FURNACE操作方法
公开(公告)号：JP2014210965A
公开(公告)日：2014-11-13
申请号：JP2013088581
申请日：2013-04-19
申请人： Jfeスチール株式会社 , Jfe Steel Corp
发明人： MURAO AKINORI , FUJIWARA DAIKI , WATAKABE SHIRO , SATO MICHITAKA , SUZUKI HIROYUKI , KIKUCHI OSAMU , SHIMOMURA AKIO
IPC分类号： C21B5/00
CPC分类号： C21B5/00
摘要：【課題】微粉炭比が150kg/t−p以上の操業条件であっても、生産性の向上及び排出CO2の低減を可能とする高炉操業方法を提供する。【解決手段】炉頂から装入するコークスの強度がJISK2151に記載の試験方法でDI15015〔%〕87以下であり、粒径74μm以下の微粉炭の重量比率が60%以下、微粉炭の平均揮発分が25mass%以下、送風温度が1100℃以下の3つの条件のうちの少なくとも2つ以上が満たされた場合に、微粉炭と共に酸素を吹込むランスと、微粉炭と共に易燃性ガスを吹込むランスの主流同士を衝突させ、ランスから搬送されるガス中の酸素濃度及び易燃性ガス濃度を共に60vol%以上とする。微粉炭性状及び送風温度が同等条件であって、コークスの強度DI15015〔%〕が85以下である場合には、それらの濃度を共に70vol%以上とし、コークスの強度DI15015〔%〕が83以下である場合には、80vol%以上とする。【選択図】図1
摘要翻译：要解决的问题：提供一种高炉操作方法，其可以在150kg / tp以上的粉煤比的操作条件下提高生产率并减少排放的COeven。解决方案：当高炉加入的焦炭强度根据JISK2151中描述的测试方法测量顶部的DI [％] 87或更小，以及粒径为74μm以下的粉煤的重量比为60％以下的三个条件中的至少两个，粉煤的平均挥发分含量为25质量％以下，鼓风空气温度为1100℃以下，将用于将氧气与粉煤一起注入的喷枪与用于将可燃性气体一起喷射的喷枪与粉煤一起在高炉操作方法中，将从喷枪输送的气体中的氧浓度和可燃性气体浓度保持在60体积％以上。当粉煤特性和鼓风空气温度处于相同条件下，焦炭强度为DI [％] 85以下时，将浓度保持在70体积％以上，当焦炭强度为DI [％ ] 83以下，维持在80体积％以上。

3. 发明专利

JP2011214147A Method for agglomerating powder material containing iron and moisture 有权
标题翻译：用于聚合含有铁和水分的粉末材料的方法
公开(公告)号：JP2011214147A
公开(公告)日：2011-10-27
申请号：JP2011057660
申请日：2011-03-16
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： MURAI RYOTA , KAJIOKA MASAHIKO , KOBAYASHI HITOSHI , SHIMOMURA AKIO , TANAKA HIROSHI
IPC分类号： C22B1/248 , C21B11/02 , C22B1/243
摘要： PROBLEM TO BE SOLVED: To provide a method for agglomerating a powder material containing iron and moisture which can produce an agglomerated material having high strength by a low-cost method using a powder material containing iron and moisture such as wet dust as raw material, and can produce pig iron using a vertical furnace.SOLUTION: The invention relates to a method for agglomerating a powder material 2 containing iron and moisture which is used when the agglomerated material of the powder material 2 is charged into a vertical furnace to recover metal iron. The powder material 2 includes at least iron oxide and/or iron hydroxide as the iron. The powder material 2 is dried using a direct fire type kiln 7 in which the theoretical combustion temperature of burner flame is controlled to ≥1,000°C, and the powder material 8 after the drying is molded into a lumpy shape so as to be an agglomerated material. In the case the powder material containing iron and moisture includes iron hydroxide in a drying state by ≥15 mass%, preferably, the drying is performed in such a manner that the maximum temperature at the inner wall of the direct fire type kiln 7 reaches ≥800°C.
摘要翻译：要解决的问题：提供一种使含有铁和水分如粉尘作为原料的粉末材料以低成本方法生产具有高强度的凝聚材料的铁和水分聚集的方法，以及可以使用立式炉生产生铁。本发明涉及一种将粉末材料2的附聚物装入垂直炉中以回收金属铁时使用的含有铁和水分的粉末材料2的方法。粉末材料2至少包括作为铁的氧化铁和/或氢氧化铁。粉末材料2使用直接火焰式窑7进行干燥，其中燃烧器火焰的理论燃烧温度控制在≥1,000℃，干燥后的粉末材料8被模制成块状，材料。在含有铁和水分的粉末材料包括处于≥15质量％的干燥状态的氢氧化铁的情况下，优选以直接火焰窑7的内壁的最高温度达到≥ 800℃。

4. 发明公开

EP2987871A4 BLAST FURNACE OPERATION METHOD 有权
标题翻译：高炉操作程序
公开(公告)号：EP2987871A4
公开(公告)日：2016-04-27
申请号：EP14785099
申请日：2014-03-28
申请人： JFE STEEL CORP
发明人： MURAO AKINORI , FUJIWARA DAIKI , WATAKABE SHIRO , SATO MICHITAKA , WATANABE TAKASHI , SHIMOMURA AKIO
IPC分类号： C21B5/00
CPC分类号： C21B5/003 , C21B5/007 , F27D3/16 , F27D3/18 , F27D2003/168 , F27D2003/185
摘要： [Task] It is to propose a blast furnace operation method capable of increasing the productivity and decreasing CO 2 emission even in the operation at a pulverized coal ratio of not less than 150 kg/t-p. [Solution] A method of operating a blast furnace by blowing a pulverized coal at an amount of not less than 150 kg/t-p from tuyeres through a lance into a blast furnace, characterized in that when the operation is performed under a condition that lump coke charged from a furnace top has a strength defined in JIS K2151 (DI 150 15 ) of not more than 87%, the pulverized coal blown through the tuyere contains not more than 60 mass% as a weight ratio of coal having a particle size of not more than 74 µm and has an average volatile matter of not more than 25 mass%, and a blast temperature blown through the tuyere is not higher than 1100°C, oxygen is simultaneously blown into the furnace with the blowing of the pulverized coals through the lance and a gas having an oxygen concentration of 60 vol%-97 vol% is used as a carrier gas for the blowing of the pulverized coal.

5. 发明专利

JP2006241585A Device for blowing reducing material into blast furnace, and method for operating blast furnace with the use of the device 有权
标题翻译：用于将减少材料吹入火炉的装置以及使用装置操作吹制炉的方法
公开(公告)号：JP2006241585A
公开(公告)日：2006-09-14
申请号：JP2005283390
申请日：2005-09-29
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： HASEGAWA SHINJI , TSUKIJI HIDEAKI , YAMAGUCHI TOMU , SHIMOMURA AKIO
IPC分类号： C21B7/00 , C21B5/00
摘要： PROBLEM TO BE SOLVED: To provide a device for blowing a reducing material, which can inhibit a temperature of a blast furnace wall from rising when a gaseous reducing material is blown from a tuyere, and to provide a blast furnace operation method.
SOLUTION: The device for blowing at least the gaseous reducing material from the blast furnace tuyere comprises: the tuyere 1 of which the projecting length from the inner wall surface 2 of the blast furnace toward the inside of the furnace is set at 350 to 600 mm; and a lance 5 for blowing the gaseous reducing material, wherein a blowing opening 5a of the lance 5 for blowing the gaseous reducing material is arranged in the vicinity of the end of the tuyere 1 in the inner side of the furnace.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于吹送还原材料的装置，当从风口吹入气态还原材料时，可以抑制高炉壁的温度升高，并提供高炉操作方法。解决方案：用于从高炉风口吹送至少气态还原剂的装置包括：风口1，其从高炉内壁表面2到炉内的突出长度设定为350 至600毫米; 以及用于吹送气态还原材料的喷枪5，其中用于吹送气态还原材料的喷枪5的吹风口5a布置在炉内侧的风口1的端部附近。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2006233332A Method for operating blast furnace 有权
标题翻译：操作BLAST FURNACE的方法
公开(公告)号：JP2006233332A
公开(公告)日：2006-09-07
申请号：JP2006020311
申请日：2006-01-30
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： MURAI RYOTA , SATO MICHITAKA , ARIYAMA TATSURO , HASEGAWA SHINJI , SHIMOMURA AKIO
IPC分类号： C21B5/00
摘要： PROBLEM TO BE SOLVED: To provide a method for operating a blast furnace which can improve the combustibility in the mixed combustion of a solid reducing agent and a gaseous reducing agent and can be applied also to a practical furnace by accurately determining the appropriate range of the injection rates of the solid reducing agent and the gaseous reducing agent.
SOLUTION: In the method for operating the blast furnace, the gaseous reducing agent as an auxiliary reducing agent and the solid reducing agent are injected from a tuyere, the reducing agents are injected by adjusting the injection rate of the gaseous reducing agent to 10-80 kg/t-p and that of the solid reducing agent to 50-150 kg/t-p.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种操作高炉的方法，其可以提高固体还原剂和气态还原剂的混合燃烧中的可燃性，并且还可以通过精确地确定适当的固体还原剂和气态还原剂的注射速率的范围。解决方案：在用于操作高炉的方法中，从风口注入作为辅助还原剂的气态还原剂和固体还原剂，通过将气态还原剂的注入速率调节至 10-80kg / tp，固体还原剂为50-150kg / tp。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2006241586A Device for blowing reducing material into blast furnace, and method for operating blast furnace with the use of the device 有权
标题翻译：用于将减少材料吹入火炉的装置以及使用装置操作吹制炉的方法
公开(公告)号：JP2006241586A
公开(公告)日：2006-09-14
申请号：JP2005285957
申请日：2005-09-30
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： HASEGAWA SHINJI , TSUKIJI HIDEAKI , YAMAGUCHI TOMU , SATO MICHITAKA , SHIMOMURA AKIO
IPC分类号： C21B7/00 , C21B5/00
CPC分类号： Y02P10/143
摘要： PROBLEM TO BE SOLVED: To provide a device for blowing a reducing material into a blast furnace, which can reduce a coke ratio without causing pressure loss even when blowing a natural gas as a gaseous reducing material from a blast furnace tuyere, and to provide a blast furnace operation method with the use of the device. SOLUTION: The device for blowing the gaseous reducing material from the blast furnace tuyere 1 has a lance 5 for blowing the gaseous reducing material therethrough, wherein an opening 5a for blowing the gaseous reducing material which is a tip of the lance 5 for blowing the gaseous reducing material is arranged in the vicinity of an inner end 1a inside the furnace of the blast furnace tuyere 1. The device has also a lance 7 for blowing a solid reducing material, wherein an opening 7a for blowing the solid reducing material, which is the tip of the lance 7 for blowing the solid reducing material, is arranged in the upstream of a gas exhaust nozzle of the lance 5 for blowing the gaseous reducing material in a blast direction. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于将还原材料吹入高炉的装置，其即使在从高炉风口吹入作为气态还原材料的天然气时也可以降低焦炭比而不引起压力损失，以及以提供使用该装置的高炉操作方法。解决方案：用于从高炉风口1吹送气态还原材料的装置具有用于吹送气态还原材料的喷枪5，其中用于吹送作为喷枪5的尖端的气态还原材料的开口5a用于吹入气态还原材料布置在高炉风口1的炉内部的内端1a附近。该装置还具有用于吹入固体还原材料的喷枪7，其中用于吹入固体还原材料的开口7a，作为用于吹入固体还原材料的喷枪7的尖端布置在喷枪5的排气喷嘴的上游，用于沿鼓风方向吹送气态还原材料。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2005240010A Solid binder, and manufacturing method for molded coal and coke using solid binder 有权
标题翻译：固体粘合剂和使用固体粘合剂成型的煤和焦炭的制造方法
公开(公告)号：JP2005240010A
公开(公告)日：2005-09-08
申请号：JP2004281707
申请日：2004-09-28
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： ASANUMA MINORU , ISHII JUN , HARA YOSHIAKI , SHIMOMURA AKIO , IWAMA TAKURO , NODA TAKESHI , ITAGAKI SHOZO
IPC分类号： C10B55/02 , C10B53/00 , C10B53/07 , C10B53/08 , C10B57/04
CPC分类号： Y02P20/143
摘要： PROBLEM TO BE SOLVED: To obtain a solid binder which permits enhancement of the strengths of a molded coal than before when a waste plastic as an organic compound is recycled as a binder for the manufacture of the molded coal, or the like, and to provide a manufacturing method for coke which permits enhancement of qualities of coke manufactured from the molded coal as a raw material using the waste plastic as the binder. SOLUTION: The solid binder is manufactured by mixing and/or dissolving the waste plastic in a solvent, cooling the waste plastic mixed and/or dissolved in the solvent together with the solvent to convert them into a solidified product and crushing the solidified product. Preferably, petroleum tar and/or coal tar are employed as the solvent. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：待解决的问题：为了获得固体粘合剂，当作为有机化合物的废塑料作为用于制造模制煤的粘合剂等被再循环时，可以提高模制煤的强度，并且提供一种焦炭的制造方法，其使用废塑料作为粘合剂，可以提高由成型煤制成的焦炭作为原料的质量。解决方案：固体粘合剂通过将废塑料混合和/或溶解在溶剂中来制造，将与溶剂一起混合和/或溶解在溶剂中的废塑料冷却，将其转化为固化产物并将其固化产品。优选使用石油焦油和/或煤焦油作为溶剂。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2006312757A Injection lance for gaseous reducing material, blast furnace and blast furnace operation method 审中-公开
标题翻译：用于气体减少材料的注射用途，高炉和高炉操作方法
公开(公告)号：JP2006312757A
公开(公告)日：2006-11-16
申请号：JP2005134982
申请日：2005-05-06
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： MURAI RYOTA , SATO MICHITAKA , ARIYAMA TATSURO , HASEGAWA SHINJI , SHIMOMURA AKIO
IPC分类号： C21B7/00 , C21B5/00
CPC分类号： Y02P10/143
摘要： PROBLEM TO BE SOLVED: To prevent the dissolved loss of a lance and a blast pipe when injecting gaseous reducing material into a blast furnace. SOLUTION: A injection lance 10 for gaseous reducing material has a double-tube structure provided with an inner pipe 21 and an outer pipe 22. The gaseous reducing material is injected from the inner pipe 21, and cooling liquid is caused to flow in a space between the inner pipe 21 and the outer pipe 22. A distal end of the inner pipe 21 is protruded with respect to the outer pipe 22, and the protruded part is curved by the curvature in a range in which the distal end of the inner pipe 21 is located within an imaginary extension of the outer pipe 22. COPYRIGHT: (C)2007,JPO&INPIT

10. 发明专利

JP2006312756A Injection lance for gaseous reducing material, blast furnace and blast furnace operation method 有权
标题翻译：用于气体减少材料的注射用途，高炉和高炉操作方法
公开(公告)号：JP2006312756A
公开(公告)日：2006-11-16
申请号：JP2005134981
申请日：2005-05-06
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： MURAI RYOTA , SATO MICHITAKA , ARIYAMA TATSURO , HASEGAWA SHINJI , SHIMOMURA AKIO
IPC分类号： C21B7/00 , C21B5/00
CPC分类号： Y02P10/143
摘要： PROBLEM TO BE SOLVED: To prevent the dissolved loss of a lance and a blast pipe when injecting gaseous reducing material into a blast furnace. SOLUTION: A injection lance 10 for gaseous reducing material has a triple-tube structure provided with an inner pipe 21, an intermediate pipe 22 and an outer pipe 23. The gaseous reducing material is injected from the inner pipe 21, and cooling liquid is caused to flow in a space between the inner pipe 21 and the intermediate pipe 22, and a space between the intermediate pipe 22 and the outer pipe 23. A distal end of the inner pipe 21 is protruded with respect to the intermediate pipe 22 and the outer pipe 23, and the protruded part is curved. COPYRIGHT: (C)2007,JPO&INPIT

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