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2. 发明专利

IN152953B PRODUCTION OF CARBON STEEL AND LOW-ALLOY STEEL WITH BOTTOM BLOWING BASIC OXYGEN FURNANCE 未知
公开(公告)号：IN152953B
公开(公告)日：1984-05-05
申请号：IN714CA1980
申请日：1980-06-20
申请人： SUMITOMO METAL IND
发明人： MARUKAWA KATSUKIYO , YAMAZAKI ISAO , ANEZAKI SYOJI , KAJIMOTO TSUTOMU , TOZAKI YASUYUKI , UEDA MINORU , HIRATA TAKEYUKI , MASUDA SEIICHI , HIROKI NOBUYOSHI
IPC分类号： C21C5/32 , C21C5/35 , C21C5/30

3. 发明专利

AU525023B2 CARBON STEEL AND LOW ALLOY STEEL WITH BOTTOM BLOWING B.O.F. 未知
公开(公告)号：AU525023B2
公开(公告)日：1982-10-14
申请号：AU5859080
申请日：1980-05-20
申请人： SUMITOMO METAL IND
发明人： MARUKAWA KATSUKIYO , YAMAZAKI ISAO , ANEZAKI SYOJI , KAJIMOTO TSUTOMU , TOZAKI YUSUYUKI , UEDA MINORU , HIRATA TAKEYUKI , MASUDA SEIICHI , HIROKI NOBUYOSHI
IPC分类号： C21C5/35 , C21C5/32 , C21C5/34 , C21C5/42 , C21C5/46

4. 发明专利

FR2457325A1 未知
公开(公告)号：FR2457325A1
公开(公告)日：1980-12-19
申请号：FR8011588
申请日：1980-05-23
申请人： SUMITOMO METAL IND
发明人： MARUKAWA KATSUKIYO , YAMAZAKI ISAO , ANEZAKI SYOJI , KAJIMOTO TSUTOMU , TOZAKI YASUYUKI , UEDA MINORU , HIRATA TAKEYUKI , MASUDA SEIICHI , HIROKI NOBUYOSHI
IPC分类号： C21C5/35 , C21C5/30

5. 发明专利

CA1153560A PRODUCTION OF CARBON STEEL AND LOW-ALLOY STEEL WITH BOTTOM BLOWING BASIC OXYGEN FURNACE 未知
公开(公告)号：CA1153560A
公开(公告)日：1983-09-13
申请号：CA352347
申请日：1980-05-21
申请人： SUMITOMO METAL IND
发明人： MARUKAWA KATSUKIYO , YAMAZAKI ISAO , ANEZAKI SYOJI , KAJIMOTO TSUTOMU , TOZAKI YASUYUKI , UEDA MINORU , HIRATA TAKEYUKI , MASUDA SEIICHI , HIROKI NOBUYOSHI
IPC分类号： C21C5/35 , C21C5/34 , F27D3/16
摘要： A method of producing carbon steel and low-alloy steel in a basic oxygen furnace is disclosed, in which a blow of the bottom-blowing gas predominantly comprised of carbon dioxide is introduced into a molten metal through at least one nozzle provided in the bottom or side wall of said basic oxygen furnace at least partly during the period of time from the beginning of blowing to the tapping of the melt, and the flow rate of the bottom-blowing gas is 1/200 - 9/200 the rate of oxygen impinged upon the melt through a lance. A steel making apparatus adapted to carry out the above-mentioned novel method of producing steel is also disclosed, which comprises, in combination, a furnace permitting both top-blowing of pure oxygen and bottom-blowing of a gas mainly composed of carbon dioxide, means for collecting the waste gas generated from the furnace, means for mixing the waste gas with oxygen and/or steam, means for burning the mixture thereof, and means for injecting the resulting combustion gas into the molten metal within said furnace.

6. 发明专利

DE3019899A1 未知
公开(公告)号：DE3019899A1
公开(公告)日：1980-12-04
申请号：DE3019899
申请日：1980-05-23
申请人： SUMITOMO METAL IND
发明人： MARUKAWA KATSUKIYO , YAMAZAKI ISAO , ANEZAKI SYOJI , KAJIMOTO TSUTOMU , TOZAKI YASUYUKI , UEDA MINORU , HIRATA TAKEYUKI , MASUDA SEIICHI , HIROKI NOBUYOSHI
IPC分类号： C21C5/35 , C21C5/28

7. 发明专利

DE2751446A1 未知
公开(公告)号：DE2751446A1
公开(公告)日：1978-05-24
申请号：DE2751446
申请日：1977-11-17
申请人： SUMITOMO METAL IND
发明人： SAKASHITA TSUTOMU , YAMAZAKI ISAO
IPC分类号： C21C5/46 , B22D2/00 , B22D11/16 , B22D11/18 , B22D37/00 , B22D35/00
摘要： A molten steel outflow automatically controlling device comprising an infrared ray camera for detecting infrared rays emitted by a molten steel stream and slag flowing down out of a molten steel vessel such as a ladle or converter, a color monitor for converting the infrared rays emitted by the molten steel and slag into video signals with such infrared ray camera and for developing monitor picture images by color-printing the signals in two kinds, a signal discriminating device for making the two kinds of color picture images discriminating signals by the ratio of areas and a nozzle closing device for closing a nozzle for the outflow of molten steel of the molten steel vessel by such discriminating signal as is mentioned above, whereby, when the remaining amount of the molten steel in the molten steel vessel becomes small, the outflow of the slag will be detected and the nozzle for the outflow of the molten steel will be automatically closed to stop the pouring and to prevent the slag from mixing into the molten steel.

9. 发明专利

JPS62973B2 失效
公开(公告)号：JPS62973B2
公开(公告)日：1987-01-10
申请号：JP2301779
申请日：1979-02-28
申请人： SUMITOMO METAL IND
发明人： SHIROTA YOSHASU , NISHIOKA HIROSHI , YAMAZAKI ISAO , HAYASHIDA KEIZO
IPC分类号： C22B1/16

10. 发明专利

JPS599119A Manufacture of low carbon steel 失效
标题翻译：低碳钢的制造
公开(公告)号：JPS599119A
公开(公告)日：1984-01-18
申请号：JP11818782
申请日：1982-07-06
申请人： Sumitomo Metal Ind Ltd
发明人： HIRATA TAKEYUKI , YAMAZAKI ISAO , AOKI NOBUHIDE
IPC分类号： C21C1/04 , C21C5/32 , C21C5/35
CPC分类号： C21C5/32
摘要： PURPOSE:To obtain a low C steel which is not obtd. by the conventional LD method by combining a method for treating desiliconized molten iron together with an Mn source by blowing in a converter with a composite blowing method. CONSTITUTION:Pig iron and secondary starting materials including an Mn source are charged into a converter where top O2 blowing and bottom gas blowing can be carried out, and a low C steel is manufactured by composite blowing. In this method, in order to improve the Mn yield, the molten iron is desiliconized to
摘要翻译：目的：获得低碳钢。通过常规的LD方法，通过将复合吹塑法吹入转炉中将脱硅铁一起处理的方法与Mn源组合。构成：将含有Mn源的生铁和二次起始材料装入能够进行顶部吹氧和底吹气的转炉中，通过复合吹制制造低C钢。在该方法中，为了提高Mn产率，将铁水脱硅为≤0.35％的Si浓度。在将铁充入转换器之前。铁 - 锰矿石可以在转炉中的铁水和/或钢水从转炉排出之后，可以将复合吹制后的钢料进行脱气，以减少在钢铁过程中或之后装入的钢铁量从转换器放电。

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