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91. 发明专利

JPS63169319A PRODUCTION OF REFINING AGENT 失效
公开(公告)号：JPS63169319A
公开(公告)日：1988-07-13
申请号：JP31091286
申请日：1986-12-29
申请人： SUMITOMO METAL IND , SUMIKIN KASHIMA KOKA KK
发明人： YAMAMOTO TAKAIKU , WADA MINORU , IKEMIYA YOHEI , KOROGI SHOHEI , YOSHIDA SHUJI , IWAO KOJI , KITAMURA NOBUYUKI
IPC分类号： C21C7/064 , C21C1/00 , C21C1/02 , C21C1/04 , C21C5/36
摘要： PURPOSE:To prevent cohesion among steel making slag, to facilitate the handling and transportation and to obtain a refining agent raising drying efficiency by regulating surface temp. and grain size of the steel making slag at the time of mixing and drying the steel making slag with other raw material. CONSTITUTION:At the time of mixing and drying the steel making slag with the other raw material, such as iron ore, fluorite, lime, average temp. of steel making slag, which the surface is solidified, is kept at >=100 deg.C to improve the drying efficiency. (Figure A) Further, at the same time by containing the steel making slag of >=1mm grain size to >=70%, the mutual sticking of steel making slags is prevented and the drying efficiency is improved. (Figure B) In this way, as the steel making slags are not mutually stuck and mixed with the other raw material under high temp. condition, the remaining heat of steel making slag can be efficiently used. Further, at the same time, excellent effect is shown in the reduction of production cost for refining agent.

92. 发明专利

JPS62207807A STARTING METHOD FOR MOLTEN IRON TREATMENT 失效
公开(公告)号：JPS62207807A
公开(公告)日：1987-09-12
申请号：JP4959386
申请日：1986-03-07
申请人： SUMITOMO METAL IND
发明人： WADA MINORU , YAMAMOTO TAKAIKU , YOSHIDA SHUJI , IKEMIYA HIROYUKI
IPC分类号： C21C1/00
摘要： PURPOSE:To easily start the next molten iron treatment by controlling remaining slag after finish of the tap-off to the specified thickness, at the time of the molten iron treatment in a molten iron through. CONSTITUTION:The molten iron is flowed to the trough from a blast furnace and is treated at the trough. At this molten iron treating division, when the tap-off from the blast furnace is finished, the thickness of the remaining slag is adjusted at

93. 发明专利

JPS62202009A CONTINUOUS AND PRELIMINARY TREATMENT OF MOLTEN IRON 失效
公开(公告)号：JPS62202009A
公开(公告)日：1987-09-05
申请号：JP4286486
申请日：1986-02-28
申请人： SUMITOMO METAL IND
发明人： YAMAMOTO TAKAIKU , WADA MINORU , YOSHIDA SHUJI , IKEMIYA HIROYUKI
IPC分类号： C21C1/00
摘要： PURPOSE:To enable effective preliminary refining of a molten iron while decreasing the erosion of a blast furnace spout by blowing refining agents into the molten iron from plural nozzles which are arranged in the flow direction of the molten iron and disposed to direct the top ends thereof toward the center from the wall surface sides of the spout at the time of allowing the molten iron tapped from the blast furnace to flow in the blast furnace spout. CONSTITUTION:Plural pieces of the nozzles for blowing the refining agents are mounted between a skimmer 2 and slag discharge port 1a of the blast furnace spout 1 in order to make preliminary refining such as desiliconizing, dephosphorizing and desulfurizing at the time of allowing the molten iron 3 tapped from the blast furnace to flow in the blast furnace in an arrow direction. The nozzles 4 are disposed by arraying the same in two rows in the flow direction (arrow) of the molten iron 3. The nozzles 4 are so disposed as to direct the top ends thereof toward the central part from the wall surface sides of the blast furnace spout 1. The angles of inclination thereof are set at alpha=15 deg. and theta=10 deg. and the nozzles 4 are disposed zigzag. The molten iron 3 is thoroughly stirred by only the blowing of the refining agents. Formed molten slag 6 parts from the wall surfaces of the spout 1 and gathers at the center, then the slag is discharged from the slag discharge port 1a and therefore, the erosion of the inside wall surfaces (particularly the part of the molten slag 6) of the spout 1 by the molten slag 6 is obviated and the service life of the spout 1 is extended.

94. 发明专利

JPS59211514A Repairing method of blast furnace wall 失效
标题翻译： BLAST FURNACE墙面修复方法
公开(公告)号：JPS59211514A
公开(公告)日：1984-11-30
申请号：JP8645383
申请日：1983-05-16
申请人： Sumitomo Metal Ind Ltd
发明人： YAMAMOTO TAKAIKU
IPC分类号： C21B7/06
CPC分类号： C21B7/06
摘要： PURPOSE:To reduce a repair material to be used by about 80% and repair time by about 40% as compared to the prior art by repairing the damaged part of a furnace wall by using a nozzle for spraying attached to a swiveling chute and an optical fiber scope. CONSTITUTION:An optical fiber scope 14 and a nozzle 13 for spraying attached with a flexible tube at the root end are provided to a swiveling chute 12 in such a way that the respective projecting lengths from the top of the chute 12 are adjustable. The nozzle 13 and the scope 14 are positioned to face the damaged part 15 of a furnace wall by the adjustment of the respective projecting lengths, and the swiveling and tilting operation of the chute 12. The operator repairs the damaged part of the furnace wall while observing said part through the optical fiber scope 14.
摘要翻译：目的：与现有技术相比，通过使用附接到旋转滑槽的喷嘴和光学元件修复炉壁的损坏部分，将修补材料减少约80％，修复时间减少约40％纤维范围。构成：将光纤镜14和用于在根端附着柔性管的喷嘴喷嘴13设置在旋转槽12上，使得从斜槽12顶部的相应突出长度可调。通过调整各个突出长度以及斜槽12的旋转和倾斜操作，喷嘴13和示范器14定位成与炉壁的损坏部分15相对。操作者修理炉壁的损坏部分，同时通过光纤范围14观察该部分。

95. 发明专利

JPS5858205A OPERATING METHOD FOR BLAST FURNACE 失效
公开(公告)号：JPS5858205A
公开(公告)日：1983-04-06
申请号：JP15637681
申请日：1981-09-30
申请人： SUMITOMO METAL IND
发明人： YAMAMOTO TAKAIKU
IPC分类号： C21B5/00
摘要： PURPOSE:To control the combustion temp. at tuyere ends always at adequate values by blowing steam directly into the tuyeres of a blast furnace and controlling the rate of blowing of the steam in accordance with the conditions of the furnace. CONSTITUTION:A nozzle 5 for blowing steam is located in a tuyere 2 of a blast furnace and steam is blown through the nozzle. A control mechanism for flow rate constituted of an operating device 7, a flow rate setter 8, a flowmeter 9, a solenoid valve 10, etc. is provided in the course 6 through which the steam flows to the nozzle 5. A blasting temp. A, moisture B contained in blast, flow rate C of blast, an enriching rate D of O2, and the value E of liquid fuel measured with the flowmeter 12 are inputted to the operating device 7 which calculates the quantity required for attaining the adequate combustion temp. at the tuyere end from these values and outputs the same to the setter 8. The value measured with the flowmeter 9, that is, the quantity of the steam flowing through the nozzle 5 is also inputted to the setter 8 which compares and operates both input signals, converts the difference thereof to the opening or closing signal for the valve 10 and outputs the signal to the valve 10.

96. 发明专利

JP2001279311A METHOD FOR PRODUCING MOLTEN IRON 失效
公开(公告)号：JP2001279311A
公开(公告)日：2001-10-10
申请号：JP2000094019
申请日：2000-03-30
申请人： SUMITOMO METAL IND
发明人： UJISAWA MASARU , MATSUKURA YOSHITOKU , KAMISHIRO SHINJI , YAMAMOTO TAKAIKU
IPC分类号： B01D51/00 , B01D51/10 , C21B11/02
摘要： PROBLEM TO BE SOLVED: To provide a melting method of iron scrap by which dioxin concentration in the exhaust gas can stably be reduced to =800 deg.C and the recovered exhaust gas is rapidly cooled to

97. 发明专利

JP2001208318A GASIFICATION MELTING FURNACE FOR WASTE AND THEREFOR 失效
公开(公告)号：JP2001208318A
公开(公告)日：2001-08-03
申请号：JP2000343706
申请日：2000-11-10
申请人： SUMITOMO METAL IND
发明人： ISHIDA HIROAKI , YAMAOKA HIDEYUKI , YAMAMOTO TAKAIKU , SATO HIROTAKA
IPC分类号： F23G5/24 , B09B3/00 , B09B5/00 , C10J3/00 , C22B1/00 , C22B7/00 , C22B9/02 , F23G5/44 , F23G5/50 , F23J1/08 , F27B1/08 , F27B1/16 , F27B1/26 , F27D17/00
摘要： PROBLEM TO BE SOLVED: To provide a gasification melting furnace and method that allows waste to be subjected to gasification for melting, and collect fuel gas, molten slag, molten metal, or heavy metal with a low boiling point. SOLUTION: In the gasification melting furnace and the gasification melting method using the gasification melting furnace, a waste-loading port 11-1 for loading waste, and a gas discharge port 3-1 for discharging gas to be generated are provided at an upper part, a discharge port 9 for discharging the molten slag and molten metal is provided at a lower part, ports 5-1 to 5-3 being divided into a plurality of stages (normally, three stages) are provided in a height direction that can independently blow a burning-supporting gas and auxiliary fuel on a furnace wall. In addition, a means 17 for measuring the level of the loaded waste, means 20 and 21 for measuring temperature in the furnace, and an upward-blowing lance 24, are provided.

98. 发明专利

JPH10141626A GASIFYING AND MELTING METHOD FOR WASTE 失效
公开(公告)号：JPH10141626A
公开(公告)日：1998-05-29
申请号：JP30140196
申请日：1996-11-13
申请人： SUMITOMO METAL IND
发明人： ISHIDA HIROAKI , YAMAMOTO TAKAIKU , SATO HIROTAKA , ISAKA KATSUYA , YASUFUKU HIDEAKI
IPC分类号： F23G5/24 , F23G5/02 , F23G5/033 , F23G5/04
摘要： PROBLEM TO BE SOLVED: To provide a gasifying and melting method for waste, gasifying and melting the waste to recover fuel gas, molten slag and molten metal. SOLUTION: Waste is gasified and molten employing a gasifying and melting furnace for the waste, in which the waste, charged into the furnace, is burnt to gasify organic substances in the waste and recover the same as energy gas while ash and metals in the waste are recovered as molten substances. In such a method, the waste is changed into solid fuel previously by applying the treatment of crushing-drying-classifying (classifying as well as recovering of valuable metals and classifying and removing of incombustibles)-volume reduction and molding, then, charged into the gasifying and melting furnace to gasify and melt the waste. On the other hand, when dust, discharged out of the gasifying and melting furnace, is recycled (added and mixed into the waste after classification), condensation of heavy metals, contained in the dust, can be effected.

99. 发明专利

JPH10132242A GASIFYING MELTING FURNACE FOR WASTE AND GASIFYING AND MELTING METHOD 失效
公开(公告)号：JPH10132242A
公开(公告)日：1998-05-22
申请号：JP28516396
申请日：1996-10-28
申请人： SUMITOMO METAL IND
发明人： ISHIDA HIROAKI , YAMAOKA HIDEYUKI , YAMAMOTO TAKAIKU , SATO HIROTAKA
IPC分类号： F23G5/00 , F23G5/24
摘要： PROBLEM TO BE SOLVED: To provide a gasifying melting furnace for gasifying and melting waste to fuel gas to recover molten slag, molten metal and a method for gasifying and melting the waste. SOLUTION: This melting furnace comprises a waste charging port 11-1 for charging waste and a gas exhaust port 3-1 for exhausting generated gas, an exhaust port of molten slag and molten metal at a lower part, a lance 5 vertically movably mounted in the furnace from an upper part of the furnace to blow through combustion supporting gas and auxiliary fuel. In this case, predetermined amounts of the supporting gases 16-1, 16-2 and auxiliary fuels 17-1, 17-2 are blown through from the lance 5 to recover the waste as fuel gas containing CO and H2 as main components, molten slag and molten metal.

100. 发明专利

JPH07207313A METHOD FOR MELTING TIN-PLATED STEEL SHEET SCRAP 失效
公开(公告)号：JPH07207313A
公开(公告)日：1995-08-08
申请号：JP235094
申请日：1994-01-14
申请人： SUMITOMO METAL IND
发明人： ISHIDA HIROAKI , YAMAMOTO TAKAIKU , IKEMIYA HIROYUKI
IPC分类号： C21B11/00
摘要： PURPOSE:To produce low-Sn and low-S molten iron for producing high grade steel by using Sn-plated steel sheet scrap. CONSTITUTION:Oxygen is blown from a primary tuyere 3 into a coke packing layer 7 at the lower part of a cylindrical furnace 1 to produce high-temp. CO. CO ascending to a scrap packing layer 8 at the upper part of the coke packing layer 7 is subjected to secondarily combustion with the blown oxygen of a secondary tuyere 4 to raise the temp. of the scrap and melt it. At this time, the oxygen blowing rate of the secondary tuyere 4 is adjusted to control the secondary combustion ratio to >=50% and then, the Sn-plated layer melted at the low temp. is immediately oxidized and discharged to the outside of the furnace as SnO2-concd. dust and removed. By this method, the conventional detinnization pre-treating process, pouring process of two ladle, desulfurizing process for the molten iron, etc., are unnecessitated, and the low-Sn molten iron can be produced and the dust can effectively be utilized as the Sn source.

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