| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 1 | 加压转炉炼钢方法 | CN98803508.1 | 1998-03-19 | CN1080317C | 2002-03-06 | 北村信也; 松尾充高; 内藤宪一郎 |
| 本发明的目的在于提供一种转炉精炼方法，这种精炼方法可获得高生产率和高成品率，而且可以吹炼过氧化度低的钢。第1，一种加压转炉炼钢方法，其特征是，在顶底吹转炉中，将炉内压力P设定为比大气压高的高压，同时根据炉内压力P的变化调节顶吹氧供给速度F和底吹气体流量Q；第2，一种加压转炉炼钢方法，其特征在于，在顶底吹转炉中，在整个吹炼期间或在部分吹炼期，将炉内压力P设定为高于大气压的高压，并根据熔池中碳浓度C的变化来改变顶吹氧供给速度F和底吹气体流量Q以及炉内压力P。 | ||||||
| 2 | 一种加压电渣重熔气相渗氮冶炼高氮奥氏体不锈钢的方法 | CN201610471784.5 | 2016-06-24 | CN105925814A | 2016-09-07 | 李花兵; 姜周华; 冯浩; 张彬彬; 朱红春; 张树才; 刘福斌; 柴晓星 |
| 本发明属于高氮钢冶炼技术领域，具体为一种加压电渣重熔气相渗氮冶炼高氮奥氏体不锈钢的方法，其特征是：根据目标钢种成分，在熔炼炉中冶炼氮含量为(0.75～0.9)×[％N]的自耗电极母材，并锻造成自耗电极；在氮气保护下采用固态起弧方法进行起弧造渣；向熔炼室内充入氮气增压至1～3MPa，同步提升冷却水压力，采用低熔速在40～45V、3000～4200A下冶炼、补缩成型。其优点是通过合理控制电流、电压和氮气压力等参数，利用气相渗氮方法实现了高氮奥氏体不锈钢中氮合金化的高效进行，为开发氮含量较高、成分均匀、性能优异的高氮奥氏体不锈钢提供技术保障。 | ||||||
| 3 | 加压转炉炼钢方法 | CN98803508.1 | 1998-03-19 | CN1251139A | 2000-04-19 | 北村信也; 松尾充高; 内藤宪一郎 |
| 本发明的目的在于提供一种转炉精炼方法,这种精炼方法可获得高生产率和高成品率,而且可以吹炼过氧化度低的钢。第1,一种加压转炉炼钢方法,其特征是,在顶底吹转炉中,将炉内压力P设定为比大气压高的高压,同时根据炉内压力P的变化调节顶吹氧供给速度F和底吹气体流量Q;第2,一种加压转炉炼钢方法,其特征在于,在顶底吹转炉中,在整个吹炼期间或在部分吹炼期,将炉内压力P设定为高于大气压的高压,并根据熔池中碳浓度C的变化来改变顶吹氧供给速度F和底吹气体流量Q以及炉内压力P。 | ||||||
| 4 | Production of metal semi-product | JP15145785 | 1985-07-11 | JPS6134124A | 1986-02-18 | YOHANESU YAKOUSUKII; PAURU PANTO |
| 5 | JPS5022709A - | JP6330274 | 1974-06-04 | JPS5022709A | 1975-03-11 | |
| 6 | Device for inserting a lance into a pressurized container, in particular a blast furnace | US250752 | 1994-05-26 | US5462260A | 1995-10-31 | Emile Lonardi; Radomir Andonov; Giovanni Cimenti |
| A device is presented for inserting, from a support structure a lance axially through a side opening in a pressurized container, in particular a blast furnace. This device comprises a support bench on which a support carriage can slide. A front elastic support for the lance is mounted so as to follow the level variations of the side opening. When the lance is inserted into the container, the front elastic support yields and the lance bears on an internal support. | ||||||
| 7 | Apparatus for continuous casting of metals | US41575273 | 1973-11-14 | US3901305A | 1975-08-26 | BALEVSKI ANGUEL TONCHEV; NIKOLOV IVAN DIMOV |
| A system for the continuous casting of a molten metal containing gas in solution wherein the molten metal is treated with gas under pressure in a first chamber containing the soluble gas together with an inert gas which may or may not dissolve in the melt, and is delivered to a second chamber and thereafter to a final chamber provided with the continuous-casting mold, the latter two chambers being maintained under super atmospheric pressure by the soluble gas.
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| 8 | Process for production of stainless steel | US37090473 | 1973-06-18 | US3854932A | 1974-12-17 | BISHOP H |
| A process is disclosed for the production of stainless steel wherein a chromium-containing melt suitable for producing stainless steel is blown with oxygen in an oxygen converter, and an inert gas is introduced through at least one tuyere in the bottom of the converter while the interior of the converter above the liquid level is maintained at subatmospheric pressure.
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| 9 | Method and apparatus for incorporating additives in a melt | US3598383D | 1969-01-14 | US3598383A | 1971-08-10 | MOORE WILLIAM H; KESSLER HARRY H |
| A method and apparatus for incorporating a normally oxidizable and/or volatile additive into a molten metal bath disposed in a vessel with a relatively gas tight cover thereover. A gas which is normally nonreactive with the additive is introduced, in one form of the invention, through a porous refractory plug in the bottom of the vessel and this gas bubbles up through the molten metal agitating the metal and fills the space above the metal and under the cover with at least a small positive pressure of the gas. This gas substantially excludes air from the space above the metal. A gas outlet is provided in the cover and is controllable for the purpose of regulating the outflow of gas to atmosphere thereby regulating the gas pressure above the metal surface. An additive container or hopper directly communicates by way of a valve with the space above the metal so that when desired an additive can be introduced into the molten metal. Cooling means are disclosed to condense any volatilized additive.
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| 10 | Apparatus for the purification of molten metal | US3508743D | 1966-03-29 | US3508743A | 1970-04-28 | ERDELYI FRANK F |
| 11 | Method for alloying highly reactive alloying constituents | US3492114D | 1967-10-17 | US3492114A | 1970-01-27 | SCHNEIDER HANS |
| 12 | Method for producing steel by an oxygen lance | US62272667 | 1967-03-13 | US3418109A | 1968-12-24 | STONE JOSEPH K |
| 13 | Method of and apparatus for vacuum melting and teeming steel and steellike alloys | US40971264 | 1964-11-09 | US3342250A | 1967-09-19 | HELMUT TREPPSCHUH; HENTRICH ROBERT L |
| 14 | Method and apparatus for purging molten metal of gaseous impurities | US35170764 | 1964-03-13 | US3291596A | 1966-12-13 | JACQUES VERGE; ETIENNE SPIRE |
| 15 | Apparatus for and method of desulphurizing molten iron | US39427853 | 1953-11-25 | US2758920A | 1956-08-14 | GILCREST SR LAURENCE B; GILCREST JR LAURENCE B |
| 16 | JPH0420963B2 - | JP24311284 | 1984-11-16 | JPH0420963B2 | 1992-04-07 | SUYAMA SHINICHI; KAJIWARA YOSHIMASA; YAMAGATA CHISATO |
| 17 | Method and device for treating and casting metal or alloy insealed space | JP17739684 | 1984-08-27 | JPS61180646A | 1986-08-13 | IBAN DEIMOFU NIKOROFU; MARIN IBANOFU MARINOFU; IBAN MIHAIROFU PEICHIEFU; TSUORO BARUKOFU RASHIEFU; IRIYA GEORUGIEFU CHIYORUBOFU |
| 18 | JPS5839885B2 - | JP6330274 | 1974-06-04 | JPS5839885B2 | 1983-09-02 | HAARII ROGAN BISHOTSUPU JUNIAA |
| 19 | JPS5218137B1 - | JP2847066 | 1966-05-06 | JPS5218137B1 | 1977-05-19 | |
| 20 | Pressure converter steelmaking method | US09381359 | 1999-09-20 | US06284016B1 | 2001-09-04 | Shinya Kitamura; Michitaka Matsuo; Kenichiro Naito |
| The invention intends to provide a converter refining method capable of blowing molten steel having a low degree of superoxidation with high productivity and high yield. A first aspect resides in a pressurized converter steelmaking method for use in a top-and-bottom blowing converter, wherein a converter internal pressure P is set to a higher level than the atmospheric pressure, and a top-blown oxygen flow rate F and a bottom-blown gas flow rate Q are adjusted depending on changes of the converter internal pressure P. A second aspect resides in a pressurized converter steelmaking method for use in a top-and-bottom blowing converter, wherein a converter internal pressure P is set to a higher level than the atmospheric pressure during the whole or a part of a blowing period, and a top-blown oxygen flow rate F, a bottom-blown gas flow rate Q and the converter internal pressure P are changed depending on a steel bath carbon concentration C. | ||||||
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