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1. 发明授权

US4280838A Production of carbon steel and low-alloy steel with bottom blowing basic oxygen furnace 失效
标题翻译：生产碳钢和低合金钢与底吹碱性氧炉
公开(公告)号：US4280838A
公开(公告)日：1981-07-28
申请号：US148530
申请日：1980-05-09
申请人： Katsukiyo Marukawa , Isao Yamazaki , Syoji Anezaki , Tsutomu Kajimoto
发明人： Katsukiyo Marukawa , Isao Yamazaki , Syoji Anezaki , Tsutomu Kajimoto
IPC分类号： C21C5/35 , C21C5/32 , C21C5/34
CPC分类号： C21C5/35
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 - 9/100 the rate of oxygen impinged upon the melt through a lance.
摘要翻译：公开了一种在碱性氧炉中生产碳钢和低合金钢的方法，其中主要由二氧化碳构成的底吹气体的吹入通过设置在底部的至少一个喷嘴引入熔融金属，或所述碱性氧气炉的侧壁至少部分地在从吹制开始到熔融开始的时间段期间，底吹气体的流速为喷射氧气的比例为1/200-9/100 通过喷枪熔化。

2. 发明授权

US4019562A Automatic molding apparatus with means for controlling pouring rate 失效
标题翻译：具有控制浇注速度的装置的自动成型装置
公开(公告)号：US4019562A
公开(公告)日：1977-04-26
申请号：US622730
申请日：1975-10-15
申请人： Toshio Shiraiwa , Sumio Kobayashi , Katsukiyo Marukawa , Syoji Anezaki
发明人： Toshio Shiraiwa , Sumio Kobayashi , Katsukiyo Marukawa , Syoji Anezaki
IPC分类号： G01S13/50 , B22D2/00 , B22D11/16 , B22D11/18 , B22D37/00 , B22D39/00 , B22D39/02 , G01S13/58 , G05D9/12
CPC分类号： G05D9/12 , B22D11/186 , B22D39/00
摘要： In an automatic molding apparatus, a Doppler speed meter is used to detect the rising speed of molten metal within a mold, and a nozzle stopper attached to a ladle in which the molten metal is contained is actuated in response to a difference between a detected speed signal and a speed pattern signal to control the opening of the nozzle of the ladle whereby the rising speed of the molten metal fed from the ladle to the mold through the nozzle can be controlled in accordance with an optimum molding velocity pattern.
摘要翻译：在自动成型装置中，使用多普勒速度计来检测模具内的熔融金属的上升速度，并且附着在其中容纳熔融金属的钢包中的喷嘴止动件响应于检测速度信号和速度模式信号，以控制浇包的喷嘴的开口，从而可以根据最佳模制速度模式来控制从浇包到模具通过喷嘴供给的熔融金属的上升速度。

3. 发明授权

US4292073A Steel making process 失效
标题翻译：炼钢工艺
公开(公告)号：US4292073A
公开(公告)日：1981-09-29
申请号：US154216
申请日：1980-05-29
申请人： Katsukiyo Marukawa , Syoji Anezaki , Seiichi Masuda
发明人： Katsukiyo Marukawa , Syoji Anezaki , Seiichi Masuda
IPC分类号： C21C5/32 , C21C5/35 , C21C5/34
CPC分类号： C21C5/35 , C21C5/32 , Y02P10/212
摘要： A process for making carbon steel and low-alloy steel in a basic oxygen furnace is disclosed, which comprises preparing a molten metal suitable for producing the steel in said basic oxygen furnace, carrying out the top-blowing of oxygen gas and bottom-blowing of carbon dioxide gas and then tapping the resulting molten steel. The top-blowing oxygen gas is injected through a lance onto the molten metal at an outlet velocity of Mach 0.8-2.0.
摘要翻译：公开了一种在碱性氧炉中制造碳钢和低合金钢的方法，其包括在所述碱性氧炉中制备适于生产钢的熔融金属，进行氧气的顶吹和底吹二氧化碳气体，然后攻丝所得钢水。顶吹的氧气通过喷枪以0.8-2.0马赫的出口速度喷射到熔融金属上。

4. 发明授权

US4389246A Gasification process of solid carbonaceous material 失效
标题翻译：固体碳质材料的气化过程
公开(公告)号：US4389246A
公开(公告)日：1983-06-21
申请号：US290587
申请日：1981-08-06
申请人： Shozo Okamura , Hidemasa Nakajima , Katsukiyo Marukawa , Shoji Anezaki , Takeyuki Hirata
发明人： Shozo Okamura , Hidemasa Nakajima , Katsukiyo Marukawa , Shoji Anezaki , Takeyuki Hirata
IPC分类号： C10J3/08 , C10J3/57 , C21C5/32
CPC分类号： C10J3/57 , C10J3/08 , C10J3/74 , C10J2200/152 , C10J2300/0906 , C10J2300/093 , C10J2300/0943 , C10J2300/0946 , C10J2300/0956 , C10J2300/0959 , C10J2300/0969 , C10J2300/0976 , C21C2250/02 , Y10S75/958
摘要： In a process for the gasification of solid carbonaceous material such as coal, powdered coal is top-blown onto a molten iron bath stored in a furnace through a non-submerged lance toward a hot spot formed by means of a jet of oxygen and steam top-blown through a non-submerged lance, coal being blown by means of a carrier gas, and flux is optionally added into the furnace by the lump or blown toward the hot spot, thereby the coal being gasified. The ratio L/L.sub.o of the depression depth L of the molten iron bath to the molten iron bath depth L.sub.o is maintained from 0.05 to 0.15, and the blowing velocity of the solid carbonaceous material is maintained from 50 to 300 m/sec so as to suppress the forming of an adhered mass in the furnace. A stirring gas is blown through a bottom nozzle to stir the molten iron bath.
摘要翻译：在煤等固体碳质材料气化的过程中，将粉煤通过非浸没式喷枪向存储在炉中的铁水浴顶吹到通过氧气和蒸汽顶部形成的热点通过非浸没式喷枪吹入，煤通过载气吹送，并且任选地通过块将助熔剂加入到炉中或者吹向热点，从而使煤气化。铁水槽的凹陷深度L与铁水浴深度Lo的比L / Lo保持在0.05〜0.15，固体碳质材料的吹入速度保持在50〜300m /秒，抑制在炉中形成附着物。将搅拌的气体吹过底部喷嘴以搅拌铁水浴。

5. 发明授权

US06435385B1 Immersion nozzle 失效
标题翻译：浸入式喷嘴
公开(公告)号：US06435385B1
公开(公告)日：2002-08-20
申请号：US09509124
申请日：2000-03-21
申请人： Katsukiyo Marukawa , Shigeta Hara , Shinichiro Yokoya
发明人： Katsukiyo Marukawa , Shigeta Hara , Shinichiro Yokoya
IPC分类号： B22D4108
CPC分类号： B22D41/507
摘要： An immersion nozzle which comprises a twisted tape-shaped part (1) for allowing a flow of molten steel to swirl in the nozzle. This part is applicable to both of straight pipe type and double port type immersion nozzles, and a double port type immersion nozzle (12) is constructed to be bottomless to eliminate a problem associated with inclusions that may attached to bottom surface. Further, in the immersion nozzle, an inner wall surface of a discharge port is shaped to be arcuately divergent in longitudinal cross section, whereby the quality of cast pieces are further enhanced. When the immersion nozzle additionally includes a construction (15) for blowing a gas into a flow of molten steel which is made by the twisted tape-shaped part to swirl, effects of catching, carrying and floating inclusions are further enhanced.
摘要翻译：一种浸入式喷嘴，包括用于允许钢水流动在喷嘴中旋转的扭曲的带状部分（1）。该部分适用于直管型和双口型浸渍式喷嘴，双端口式浸入式喷嘴（12）构造为无底，以消除与底面附着的夹杂物相关的问题。此外，在浸渍喷嘴中，排出口的内壁面成形为在纵截面上呈弧形发散，从而进一步提高铸件的质量。当浸入式喷嘴还包括用于将由吹制的带状部分制成的气流吹入气体的结构（15）旋转时，进一步提高捕获，携带和浮动夹杂物的效果。

6. 发明授权

US4225565A Process for treating waste slags 失效
标题翻译：处理废渣的方法
公开(公告)号：US4225565A
公开(公告)日：1980-09-30
申请号：US6293
申请日：1979-01-25
申请人： Katsukiyo Marukawa , Setsuo Okamoto , Kazunari Yamada , Masahisa Iba
发明人： Katsukiyo Marukawa , Setsuo Okamoto , Kazunari Yamada , Masahisa Iba
IPC分类号： C22B7/04 , C01D7/00
CPC分类号： C22B7/04 , Y02P10/212
摘要： In the treating of waste slags produced in the desulfurization and/or dephosphorization of molten pig iron with alkali carbonates, the alkali is recovered by extracting said waste slags with hot water while feeding carbon dioxide gas to form an extraction solution having a pH of 9.0-11.5 and recovering alkali carbonates from said extraction solution. The extraction solution contains little sulphur and silicates, from which alkali carbonates can be easily recovered with high yield therefrom.
摘要翻译：在用碱性碳酸盐脱硫和/或脱磷脱磷生产的废渣中处理废渣时，用热水提取所述废渣并回收二氧化碳，形成pH为9.0〜 11.5并从所述提取溶液中回收碱金属碳酸盐。提取溶液含有少量的硫和硅酸盐，碱金属碳酸盐可以从其中高收率地容易地回收。

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