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1. 发明专利

JP2002037677A DRYING METHOD OF PRECAST BLOCK 失效
公开(公告)号：JP2002037677A
公开(公告)日：2002-02-06
申请号：JP2001115976
申请日：2001-04-13
申请人： NIPPON STEEL CORP , KUROSAKI HARIMA CORP
发明人： SAITO YOSHITOSHI , TSUTSUI KOJI , TAIRA HATSUO , SHIMA TETSUO , MATSUI TAIJIRO , ASO SEIJI , AIDA KOJI , NISHI TAKASHI , IDE KOJI , ISOBE TOSHIHIRO , NISHIWAKI HITOSHI
IPC分类号： C04B35/66 , C04B35/64 , F27D1/16
摘要： PROBLEM TO BE SOLVED: To provide a monolithic refractory of long service life, excellent in quality, whose material dispersion is small in inside and surface regardless material, shape and set number of the block. SOLUTION: A drying method of a precast block characterized by a process, carrying out microwave dielectric heating by mounting the precast block in a metal enclosure and making the inside space of the enclosure as a cavity resonator after making a precast block by casting a monolithic refractory with 3.5 to 8 mass% execution water content in a specific shape, maturing then removing form. At this time, irradiation is preferably made at the out put not less than 0.5 kW and not more than 8 kW per a ton of refractory weight, and the micro wave out put is controlled such that the temperature gradient in the direction of the thickness of the precast block not to be more than 60 deg.C per 100 mm during drying until free water is lost.

2. 发明专利

JP2001304769A METHOD FOR DRYING MONOLITHIC REFRACTORY WITH MICROWAVE 失效
公开(公告)号：JP2001304769A
公开(公告)日：2001-10-31
申请号：JP2000126423
申请日：2000-04-26
申请人： NIPPON STEEL CORP
发明人： TSUTSUI KOJI , TAIRA HATSUO , SHIMA TETSUO , MATSUI TAIJIRO
IPC分类号： H05B6/68 , C04B35/66 , F26B3/347 , F27D1/16 , H05B6/80
摘要： PROBLEM TO BE SOLVED: To provide a microwave drying method in which uniform irradiation distribution in a space is achieved not by mechanically but by agitation utilizing a physical phenomenon and heating efficiency can be enhanced by eliminating resonance and damping phenomenon. SOLUTION: At the time of drying monolithic refractory lining of a molten metal container, a space defined by the metal frame of the container and a metal cover covering the opening thereof is used as a cavity resonator and microwave induction heating is performed while varying the frequency continuously within a range of ±50 MHz for the reference wavelength.

3. 发明专利

JPH1129816A STRUCTURE FOR LINING BED PART OF VACUUM DEGASSING APPARATUS FOR MOLTEN STEEL 失效
公开(公告)号：JPH1129816A
公开(公告)日：1999-02-02
申请号：JP18952897
申请日：1997-07-15
申请人： HARIMA CERAMIC CO LTD , NIPPON STEEL CORP
发明人： SUKENARI SHIRO , KUDO KOICHI , TSUTSUI KOJI , FUJII TETSUO , NISHI KOICHI
IPC分类号： C21C7/10 , F27D1/16
摘要： PROBLEM TO BE SOLVED: To improve the durability of a lining refractory in the case of saving the labor in a constructing work by lining a vacuum degassing vessel with prepared unshaped refractory. SOLUTION: The lining 7 of the bed part in the vacuum degassing vessel 2 is formed of prepared unshaped refractory and in this lining 7, joints 9 are formed so as to cut apart the lining 7. The joints 9 are formed extendingly so as to avoid flowing holes 10, 11 of molten steel. Even if stress is developed on the lining 7 according to the twist and the opening deformation of the circulating flowing tube caused by the heat at the time of operating, the stress is buffered with the joints 9. By this structure, it is prevented that the structure of the lining 7 at the bed part becomes brittle and as a result, the erosion of the lining 7 is restrained and the durability of the degassing vessel 2 is improved.

4. 发明专利

JPH09278549A TREATMENT OF CARBON-CONTAINING REFRACTORY WASTE AND CAST AMORPHOUS REFRACTORY USING THE CARBON-CONTAINING REFRACTORY WASTE 失效
公开(公告)号：JPH09278549A
公开(公告)日：1997-10-28
申请号：JP11299696
申请日：1996-04-11
申请人： NIPPON STEEL CORP
发明人： UCHINOKURA KATSUMI , NAKAMURA YUKIHIRO , TSUTSUI KOJI
IPC分类号： C04B18/16 , C04B35/66
摘要： PROBLEM TO BE SOLVED: To provide a method for treating a carbon-containing refractory waste, capable of suppressing the deterioration of flowability and mechanical strength due to the use of the carbon-containing refractory waste and capable of effectively utilizing the carbon-containing refractory waste as a coarse aggregate for a cast amorphous refractory. SOLUTION: This method for treating a carbon-containing refractory waste comprises treating the carbon-containing refractory waste having a silica content of

5. 发明专利

JPH06106304A APPARATUS FOR CONTINUOUSLY CASTING CAST STRIP 失效
公开(公告)号：JPH06106304A
公开(公告)日：1994-04-19
申请号：JP5881592
申请日：1992-02-13
申请人： NIPPON STEEL CORP , MITSUBISHI HEAVY IND LTD
发明人： MIYAZAKI MASAFUMI , TANAKA SHIGENORI , TSUTSUI KOJI , OKA HIDETAKA , YOSHIMURA YUJI
IPC分类号： B22D11/06
摘要： PURPOSE:To stably obtain a favorable cast strip by preventing entrapment of scum floated up on molten metal surface into the cast strip in a twin drum type continuous casting. CONSTITUTION:Two pieces of the cooling drums 1, 1' having mutually different rotating directions in the gap corresponding to the thickness of the cast strip 3 to be cast are horizontally and parallel arranged. By push-abutting two pieces of side weirs 2, 2' to the end surfaces of the cooling drums 1, 1, the space is formed. The molten metal 4 is poured into this space and the cast strip 3 is continuously cast. One pair of barriers 5, 5' extended to the axial direction of the cooling drums 1, 1', are arranged so as to be apart from the cooling drums 1, 1' and the side weirs 2, 2' and dip into the molten metal 4.

6. 发明专利

JPH04147747A METHOD FOR CONTINUOUSLY CASTING METAL STRIP 失效
公开(公告)号：JPH04147747A
公开(公告)日：1992-05-21
申请号：JP26843690
申请日：1990-10-08
申请人： NIPPON STEEL CORP
发明人： SHIMOMURA KENSUKE , TSUTSUI KOJI
IPC分类号： B22D11/06
摘要： PURPOSE:To prevent entrapment of scum into a cooling rotating body surface at meniscus part by floating up a cylindrical refractory on molten metal surface and flowing the scum as approaching to the meniscus part with molten metal stream from a molten metal supplying nozzle. CONSTITUTION:Cylindrical refractories are floated up on the molten metal 5 in pouring basin part 4 constituted with cooling drums 1, 1 and side weirs 2, 2. The refractories 6 flow the scum as approaching to the meniscus part R. By continuing the casting under such condition, as the scum and inclusion, etc., are floated up on the molten metal surface at between the cylindrical refractories 6 and the molten metal discharging nozzle 3 and confined to there and not entrapped to the meniscus part, a cast strip having stable surface characteristic can be produced. As this invention is the method utilizing the molten metal surface and movement of the molten metal, this is easily followed up to change and variation of the molten metal surface height, and visual confirmation to the molten metal surface is facilitated.

7. 发明专利

JPH03291146A NOZZLE FOR CASTING METAL STRIP 失效
公开(公告)号：JPH03291146A
公开(公告)日：1991-12-20
申请号：JP9247590
申请日：1990-04-07
申请人： NIPPON STEEL CORP
发明人： TANAKA JUN , FUKUTANI KAZUHIKO , NAKAMURA YUKIHIRO , TSUTSUI KOJI
IPC分类号： B22D11/06 , C04B35/48 , C04B35/58 , C04B35/584 , C04B35/599
摘要： PURPOSE:To enable self-heating by electric conduction by constituting a nozzle for casting a metal strip of a nozzle tip using an electric conductive ceramic. CONSTITUTION:The nozzle tip in the nozzle for injecting the molten metal used at the time of forming the crystallized metal strip having 30 - 200mum thickness by continuously injection-flowing down the molten metal on a shifted cooling body surface, is manufactured by using the electric conductive ceramic. By this method, as the nozzle itself is heated, preheating time and electric power consumption can be reduced. As temp. drop of supplied molten metal is little and the viscosity thereof is not dropped, supply of the molten metal on the shifted cooling body is smoothly executed and the strip body having uniform thickness over the whole width can be obtd.

8. 发明专利

JPH03275253A NOZZLE FOR FORMING RAPIDLY COOLED METAL STRIP 失效
公开(公告)号：JPH03275253A
公开(公告)日：1991-12-05
申请号：JP7162590
申请日：1990-03-20
申请人： NIPPON STEEL CORP
发明人： TANAKA JUN , YAMATE MINORU , NAKAMURA YUKIHIRO , TSUTSUI KOJI
IPC分类号： B22D11/06
摘要： PURPOSE:To reduce manufacturing cost of a nozzle by combining plural pieces of plates to form a nozzle tip. CONSTITUTION:The nozzle tip 10 is formed by combining upper step plate 1 and lower step plate 2 and setting these on a lip member 3 set to lower opening part in a nozzle holder H. The combined plates are made to have plural nozzle hole opening part. By this method, a wide strip metal can be easily produced.

9. 发明专利

JP2003314968A Method for drying monolithic refractory 审中-公开
$Method for drying monolithic refractory$
标题翻译：干燥单晶玻璃的方法
公开(公告)号：JP2003314968A
公开(公告)日：2003-11-06
申请号：JP2002119106
申请日：2002-04-22
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： MATSUI TAIJIRO , SAKAKI SUMIO , MIYASE SHOZO , TSUTSUI KOJI
IPC分类号： F26B3/347 , F27D1/16
摘要： PROBLEM TO BE SOLVED: To provide a method for drying monolithic refractory capable of enhancing drying efficiency, and improving quality of the monolithic refractory by preventing occurrence of water vapor explosion, a crack or the like on the monolithic refractory.
SOLUTION: In this monolithic refractory drying method using a microwave for drying the monolithic refractory 12 by irradiating the monolithic refractory inserted into a drying furnace 11 with the microwave, hot air is blown into the drying furnace. Thus, moisture content in monolithic refractory can be reduced in a short period of time by virtue of a synergetic effect of drying from both outside and inside of the monolithic refractory 12.
COPYRIGHT: (C)2004,JPO
摘要翻译：待解决的问题：提供一种能够提高干燥效率的单体耐火材料的干燥方法，并且通过防止水汽爆炸的发生，整体耐火材料上的裂纹等提高整体耐火材料的质量。解决方案：在通过用微波照射插入干燥炉11中的整体耐火材料来使用微波干燥整体耐火材料12的整体耐火干燥方法中，将热空气吹入干燥炉。因此，通过从整体耐火材料12的外部和内部的干燥的协同效应，可以在短时间内降低整体耐火材料中的含水量。（C）2004，JPO

10. 发明专利

JP2002206867A RECYCLE METHOD FOR FIREPROOF MATERIAL 失效
公开(公告)号：JP2002206867A
公开(公告)日：2002-07-26
申请号：JP2001001272
申请日：2001-01-09
申请人： NIPPON STEEL CORP
发明人： FUJII YASUO , MATSUI TAIJIRO , IMAGAWA HIROSHI , TSUTSUI KOJI
IPC分类号： B09B3/00 , B09B5/00 , F27D1/00
摘要： PROBLEM TO BE SOLVED: To provide a recycle method for fireproof materials in which a large amount of fireproof materials can be inexpensively treated and the fireproof materials as waste can be eliminated. SOLUTION: The used fireproof materials are primarily crushed by a crusher. The crushed fireproof materials are magnetically selected by an electromagnetic separator to sort and recover nonmagnetic coarse particles. The magnetic fireproof materials are secondarily crushed by the crusher to obtain powdered fireproof materials. A fireproof material 18 including carbon is added to the powdered fireproof materials to perform a reduction treatment 20. Then, the powdered fireproof materials after the reduction treatment 20 are magnetically selected again by the electromagnetic separator to recover the nonmagnetic powdered fireproof materials.

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