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21. 发明专利

JP2006212548A Catalyst for removing by reduction nitrogen oxide in exhaust gas with ammonia, preparing method of the catalyst, method for removing nitrogen oxide in exhaust gas and cleaning method of sintering exhaust gas 审中-公开
标题翻译：通过还原氧化氮除去氨气的催化剂，催化剂的制备方法，在排气中除去氮氧化物的方法和清除排气的清洁方法
公开(公告)号：JP2006212548A
公开(公告)日：2006-08-17
申请号：JP2005028062
申请日：2005-02-03
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KITAGUCHI HISATSUGU , GUSHIMA AKIRA , IKEDA TSUNEO
IPC分类号： B01J23/745 , B01D53/94 , C21B5/00 , C22B1/16 , C22B1/20
CPC分类号： Y02P10/212
摘要： PROBLEM TO BE SOLVED: To provide an inexpensive and high-performance method for preparing a catalyst removing by reduction nitrogen oxides in an exhaust gas with ammonia, a method for removing by reduction the nitrogen oxides in the exhaust gas with ammonia using the catalyst, and a cleaning method of a sintering exhaust gas. SOLUTION: After adjusting sizes of soil having a water contained iron oxide as a main component the catalyst is prepared by molding. The nitrogen oxides in the exhaust gas are removed by reduction by bringing the exhaust gas loaded with ammonia into contact with the prepared catalyst. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供廉价且高性能的用氨还原氮氧化物除去催化剂的方法，使用这种方法通过氨还原废气中的氮氧化物来除去催化剂和烧结废气的清洗方法。解决方案：在调整含有氧化铁作为主要成分的水的土壤尺寸后，通过模塑制备催化剂。通过使负载有氨的废气与制备的催化剂接触而通过还原来除去废气中的氮氧化物。版权所有（C）2006，JPO＆NCIPI

22. 发明专利

JP2005002403A Method of producing sintered ore using heat generation source-containing particle 有权
标题翻译：使用热源生成颗粒生产烧结矿的方法
公开(公告)号：JP2005002403A
公开(公告)日：2005-01-06
申请号：JP2003166655
申请日：2003-06-11
申请人： Nippon Steel Corp , Taihei Kogyo Co Ltd , 太平工業株式会社 , 新日本製鐵株式会社
发明人： SAKURAGI JUNICHI , GUSHIMA AKIRA , TOOIRI YOSHIMITSU , YAMAMOTO HIDEAKI
IPC分类号： C08J11/12 , C22B1/20
CPC分类号： Y02P10/212 , Y02W30/703
摘要： PROBLEM TO BE SOLVED: To provide a method of producing sintered ore using heat generation source-containing particles by which a heat source in the upper layer part of a sintering raw material layer is secured, and consequently the yield and the productivity of the whole of the sintered ore is improved. SOLUTION: A mixture 10 obtained by mixing a thermoplastic resin with powder inhibiting the ignitability of the thermoplastic resin is sprayed on the surface layer of a sintering raw material layer 11. It is also possible that a mixture 10 obtained by mixing powder containing either or both of a lime-containing substance and iron oxide powder with a thermoplastic resin is sprayed on the surface layer of the sintering raw material layer 11 charged to a pallet 26 of a sintering machine 25 in a state where the mixture 10 is mixed into a gas sucked downward from above the pallet 26. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：待解决的问题：提供一种使用含有发热源的颗粒制造烧结矿的方法，通过该颗粒，可以确保烧结原料层的上层部分中的热源，从而提高产率和生产率整个烧结矿改善了。解决方案：通过将热塑性树脂与抑制热塑性树脂的点火性的粉末混合而获得的混合物10喷涂在烧结原料层11的表面层上。也可以将混合粉末10 将含石灰的物质和具有热塑性树脂的氧化铁粉末中的任一种或两者喷射到在混合物10混合的状态下装入烧结机25的托盘26的烧结原料层11的表面层上从托盘26上方向下吸入的气体。版权所有（C）2005，JPO＆NCIPI

23. 发明专利

JP2004344786A Method for treating waste gypsum board 审中-公开
公开(公告)号：JP2004344786A
公开(公告)日：2004-12-09
申请号：JP2003145170
申请日：2003-05-22
申请人： Nippon Steel Corp , Tetsugen Corp , 新日本製鐵株式会社 , 株式会社テツゲン
发明人： IKEDA TSUNEO , ONISHI YASUO , SAKURAGI JUNICHI , GUSHIMA AKIRA
IPC分类号： B01D53/50 , B01D9/02 , B01D53/77 , B09B3/00 , C01F5/40
摘要： PROBLEM TO BE SOLVED: To provide a method for recovering MgSO 4 from a waste gypsum board for recycling the waste gypsum board as industrial waste. SOLUTION: In the treatment method for the waste gypsum board, gaseous SO 2 produced when the waste gypsum board is decomposed into CaO and SO 2 is reacted with Mg(OH) 2 so as to be an MgSO 4 waste liquid, impurities other than the MgSO 4 are previously removed, and cooling is performed to precipitate crystals, and the crystals are dried to recover powdery MgSO 4 . Further, in the treatment method for the waste gypsum board, the temperature of the MgSO 4 -containing waste liquid is held to ≥40°C for improving the recovery efficiency of the MgSO 4 . COPYRIGHT: (C)2005,JPO&NCIPI

24. 发明专利

JP2004027319A Method of recycling waste gypsum board to sintering 审中-公开
公开(公告)号：JP2004027319A
公开(公告)日：2004-01-29
申请号：JP2002187860
申请日：2002-06-27
申请人： Nippon Steel Corp , Tetsugen Corp , 新日本製鐵株式会社 , 株式会社テツゲン
发明人： IKEDA TSUNEO , TANAKA KIYOSHI , KATO NORIYUKI , SAKURAGI JUNICHI , GUSHIMA AKIRA
IPC分类号： B09B3/00 , C22B1/16 , C22B1/248
CPC分类号： Y02P10/216 , Y02P10/234
摘要： PROBLEM TO BE SOLVED: To provide a recycling method by which the end material of new buildings and waste gypsum board scale as industrial waste generated on the break up of old buildings are recycled as sintering raw materials. SOLUTION: In the method of recycling a waste gypsum board to sintering, a gypsum board with paper is blended into at least one stage selected from a preliminary mixing stage for recycling iron-containing dust, CaO-containing dust and carbon-containing dust as sintering raw materials, a kneading stage and a granulating stage. Alternatively, in the method of recycling a waste gypsum board to sintering, a paper part after the fractionation of a gypsum board with paper is blended into at least one stage selected from a preliminary mixing stage for recycling iron-containing dust, CaO-containing dust and carbon-containing dust as sintering raw materials, a kneading stage and a granulating stage. COPYRIGHT: (C)2004,JPO

25. 发明专利

JP2009287122A Method for pelletizing fine-powdery raw material 有权
标题翻译：精细粉碎原料的方法
公开(公告)号：JP2009287122A
公开(公告)日：2009-12-10
申请号：JP2009201918
申请日：2009-09-01
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： YATSUGAYO KENICHI , GUSHIMA AKIRA , IKEDA TSUNEO , ABE YOICHI
IPC分类号： C22B1/16 , B01J2/12
摘要： PROBLEM TO BE SOLVED: To provide a method for pelletizing fine powdery raw material which is suitable to the pelletization of sintering raw material mainly containing the fine powder, and can produce the pellet produced with the intended size distribution and can improve the yield as higher in comparison with the conventional method. SOLUTION: The method produces the pellet by pelletizing the sintering raw material 10 containing ≥60 mass% powder having ≤250 μm particle diameter, with a drum-mixer 12 having smooth inner surface 11. Under stational state of the drum-mixer 12, a lamination thickness h1 of the sintering raw material 10 stored on the bottom part 13 in the drum-mixer 12 is made to be ≤30 mm. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种适合于主要含有细粉末的烧结原料的造粒的细粉末原料造粒方法，可以制造具有预期尺寸分布的粒料，并且可以提高产率与常规方法相比较高。解决方案：该方法通过将含有≥60质量％粒径≤250μm的粉末的烧结原料10与具有平滑内表面11的鼓式混合器12一起造粒来制造颗粒。在鼓式混合器的状态下如图12所示，将存储在鼓式混合器12中的底部13上的烧结原料10的层叠厚度h1设为≤30mm。版权所有（C）2010，JPO＆INPIT

26. 发明专利

JP2008174763A Method for producing sintered ore 有权
标题翻译：烧结炉的生产方法
公开(公告)号：JP2008174763A
公开(公告)日：2008-07-31
申请号：JP2007006604
申请日：2007-01-16
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KASAMA SHUNJI , YATSUGAYO KENICHI , IKEDA TSUNEO , GUSHIMA AKIRA , ABE YOICHI
IPC分类号： C22B1/16
摘要： PROBLEM TO BE SOLVED: To provide a method for producing sintered ore, capable of maintaining a good gas permeability of a feedstock-filled layer in a sintering machine while improving productivity and product yield of the sintered ore. SOLUTION: In the method for producing the sintered ore, among sintering feedstocks comprising an iron-containing raw material, an auxiliary material and a carbonaceous material, a finely powdered iron-containing raw material containing ≥60 mass% particles sized ≤1 mm or a sintering feedstock comprising the iron-containing raw material is mixed and granulated into a pellet with addition of water. Meanwhile, sintering feedstocks comprising other iron-containing raw materials are mixed and granulated into pseudo-particles with addition of water, and the pseudo-particles are mixed with the pellet and charged into the sintering machine to be sintered. Here, the pellet is subjected to a drying treatment to achieve a moisture content of ≤4 mass% and further subjected to a water addition treatment to achieve a moisture content of 4.5-8 mass% before being compounded and mixed with the pseudo-particles. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：待解决的问题：提供一种生产烧结矿石的方法，其能够在提高烧结矿石的生产率和产率的同时，在烧结机中保持原料填充层的良好的透气性。解决方案：在烧结矿生产方法中，在包含含铁原料，辅助材料和碳质材料的烧结原料中，含有≥60质量％颗粒尺寸≤1的细粉状含铁原料将包含含铁原料的烧结原料混合并加入水中造粒。同时，将包含其它含铁原料的烧结原料混合并加入水中成为假颗粒，并将假颗粒与颗粒混合并装入烧结机中进行烧结。这里，对颗粒进行干燥处理以达到≤4质量％的含水量，并进一步进行加水处理，以在与假颗粒混合并混合之前达到4.5-8质量％的含水量。版权所有（C）2008，JPO＆INPIT

27. 发明专利

JP2008038181A Method for granulating iron-containing collected dust for iron manufacture 有权
标题翻译：用于钢铁生产的含铁收集粉尘的方法
公开(公告)号：JP2008038181A
公开(公告)日：2008-02-21
申请号：JP2006211939
申请日：2006-08-03
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： FUJIOKA YUJI , NAKANO MASANORI , KASAMA SHUNJI , KAWACHI SHINJI , GUSHIMA AKIRA , MATSUOKA YOSHIYUKI , SATO TAKEHIKO
IPC分类号： C22B1/248 , B09B3/00 , C22B1/00 , C22B1/16
摘要： PROBLEM TO BE SOLVED: To provide a method where the elution of alkaline-earth metal oxide and/or alkaline-earth metal hydroxide comprised in iron-containing collected dusts, particularly, CaO and/or Ca(OH)
2 as Ca
2+ ions is suppressed, and a granulated material having high strength is produced using the iron-containing collected dusts.
SOLUTION: Regarding the method for granulating iron-containing collected dusts for iron manufacture, the iron-containing collected dusts are beforehand subjected to carbonatization treatment, alkaline-earth metal oxide and/or alkaline-earth metal hydroxide comprised in the iron-containing collected dusts is stabilized as alkaline-earth metal carbonate, so as to be precipitated, and thereafter, water is added to the iron-containing collected dusts and the other iron-containing raw material, so as to perform kneading and granulation.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种方法，其中包含在含铁收集灰尘中的碱土金属氧化物和/或碱土金属氢氧化物的洗脱，特别是CaO和/或Ca（OH） 2 ，因为Ca 2 + 离子被抑制，并且使用含铁收集的粉尘产生具有高强度的造粒材料。解决方案：关于铁制收集的粉尘的制粒方法，含铁收集粉尘预先进行碳化处理，碱土金属氧化物和/或碱土金属氢氧化物中含有的铁 - 含有收集的粉尘被稳定为碱土金属碳酸盐，以沉淀，然后将水加入到含铁收集灰尘和其它含铁原料中，以进行捏合和造粒。版权所有（C）2008，JPO＆INPIT

28. 发明专利

JP2007275761A Method for producing removing agent of sulfur oxide in gas 审中-公开
标题翻译：在气体中生产除氧剂的方法
公开(公告)号：JP2007275761A
公开(公告)日：2007-10-25
申请号：JP2006105206
申请日：2006-04-06
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KITAGUCHI HISATSUGU , GUSHIMA AKIRA , IKEDA TSUNEO , MIKI OSAMU
IPC分类号： B01J20/06 , B01D53/50 , B01D53/81 , B01J20/34
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a removing agent which is inexpensive, has high performance and is used for removing sulfur oxides in exhaust gas by using ammonia and to provide a method for removing sulfur oxides in exhaust gas by using the removing agent and a method for cleaning the exhaust gas to be generated when sintering is performed. SOLUTION: The method for producing the removing agent comprises the steps of: neutralizing the ferrous ion-containing waste water to be generated when steel is pickled; oxidizing a ferrous ion contained in the waste water to produce a precipitate containing ferric hydroxide; dehydrating the precipitate; and molding the dehydrated precipitate. Exhaust gas is brought into contact with the produced removing agent to remove sulfur oxides in the exhaust gas. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决问题的方案：提供廉价的除去剂的制造方法，具有高性能，并且用于通过使用氨除去废气中的硫氧化物，并提供通过以下方法除去废气中的硫氧化物：使用除去剂和进行烧成时产生的废气的清洗方法。解决方案：除锈剂的制造方法包括以下步骤：中和钢酸洗时产生的含亚铁离子的废水; 氧化废水中含有的亚铁离子以产生含有氢氧化铁的沉淀物; 使沉淀物脱水; 并模制脱水沉淀物。使废气与所生成的去除剂接触以除去废气中的硫氧化物。版权所有（C）2008，JPO＆INPIT

29. 发明专利

JP2007077512A Method for pretreating raw material for sintering 有权
标题翻译：用于预烧材料的烧结方法
公开(公告)号：JP2007077512A
公开(公告)日：2007-03-29
申请号：JP2006314572
申请日：2006-11-21
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： YATSUGAYO KENICHI , IMAI TAKESHI , GUSHIMA AKIRA , IKEDA TSUNEO
IPC分类号： C22B1/16
摘要： PROBLEM TO BE SOLVED: To provide a method for pretreating a raw material for sintering, by which an iron ore material containing fine powder in an amount larger than before can be dealt with, pellets having pelletization characteristics and strength more improved than before can be prepared and a sintered ore having superior quality can be manufactured. SOLUTION: The method for pretreating a raw material for sintering comprises: a first pelletizer 12 where two or more kinds of iron ores each containing coarse grains and fine powders are used as a raw material and the fine powders are allowed to adhere to the coarse grains to be core grains to prepare pellets S; and a second pelletizer 18 where pelletization is performed using fine powders alone or using mainly fine powders to prepare pellets P. These pellets S and pellets P are used in this pretreatment method. As to the pellets S, the blending amount of the fine powders for the first pelletizer 12 is regulated so that the average thickness of adhesion of the fine powders to the core grains ranges from 50 to 300μm, and the remaining fine powders which are not supplied to the first pelletizer 12 are used as a raw material for the second pelletizer 18. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于预处理烧结原料的方法，通过该方法可以处理含有比以前更大量的细粉末的铁矿石材料，具有比以前更大的造粒特性和强度的颗粒可以制备出具有优良品质的烧结矿石。解决方案：用于烧结原料的预处理方法包括：使用两种以上含有粗粒的铁矿石和细粉末的第一造粒机12作为原料，并使细粉末附着于粗颗粒为芯颗粒以制备颗粒S; 和第二造粒机18，其中使用细粉末进行造粒或主要使用细粉末制备颗粒P.这些颗粒S和颗粒P用于该预处理方法。对于颗粒S，调节用于第一造粒机12的细粉末的混合量，使得细粉末与芯颗粒的平均粘合厚度为50至300μm，并且未供应的剩余细粉末使用第一造粒机12作为第二造粒机18的原料。版权所有（C）2007，JPO＆INPIT

30. 发明专利

JP2006187741A Production method of catalyst for reduction removing of nitrogen oxide in exhaust gas by ammonia, method for reduction removing of nitrogen oxide in exhaust gas and cleaning method of sintering exhaust gas 审中-公开
标题翻译：催化剂的生产方法，用于减少排出的废气中的氮氧化物的氮氧化物，在排气中除去氮氧化物的方法和清除排气的清洁方法
公开(公告)号：JP2006187741A
公开(公告)日：2006-07-20
申请号：JP2005002683
申请日：2005-01-07
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KITAGUCHI HISATSUGU , ONO NOBUYUKI , GUSHIMA AKIRA , IKEDA TSUNEO
IPC分类号： B01J23/745 , B01D53/94 , B01J37/12 , B01J37/36 , C12P3/00 , C12R1/01 , C22B3/18 , C22B3/44 , F27D17/00
CPC分类号： Y02P10/234
摘要： PROBLEM TO BE SOLVED: To provide a production method of an inexpensive and highly efficient catalyst for removing of NO x by reduction in an exhaust gas, to provide a method for reduction removing of NO x in the exhaust gas, and to provide a cleaning method of a sintering exhaust gas. SOLUTION: (1) After a steel pickling waste liquid containing a ferrous ion is neutralized with an alkaline agent, the ferrous ion in the waste liquid is oxidized to form a precipitate containing Fe(OH) 3 , or (2) after the ferrous ion in the waste liquid is oxidized and thereafter is neutralized with the alkaline agent to form the precipitate containing Fe(OH) 3 , and then the precipitate is dehydrated and thereafter is molded to produce the catalyst. In addition, the produced catalyst is brought into contact with the exhaust gas added with NH 3 to remove NO x by reduction in the exhaust gas. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决问题的方法：为了提供通过减少排气来除去NO SB SB的廉价高效的催化剂的制造方法，提供还原除去NO SB的方法 > x ，并且提供烧结废气的清洁方法。解决方案：（1）在用碱性试剂中和含有亚铁离子的钢酸洗废液后，废液中的亚铁离子被氧化形成含有Fe（OH）3 SB的沉淀物 >，或（2）在废液中的亚铁离子被氧化后，用碱性试剂中和形成含有Fe（OH）3 SBB的沉淀物，然后将沉淀物脱水，然后被模制以产生催化剂。另外，通过还原废气使所生产的催化剂与添加有NH 3 SB的废气接触以除去NO SB SB。版权所有（C）2006，JPO＆NCIPI

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