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1. 发明专利

JPH03238062A AIR-LIQUID SPRAY NOZZLE 失效
公开(公告)号：JPH03238062A
公开(公告)日：1991-10-23
申请号：JP3312190
申请日：1990-02-13
申请人： SUPUREEINGU SYST JAPAN KK , SUMITOMO METAL IND
发明人： KUZUMI YASUHIRO , HASHIO MORINORI , KOIDE MASAKAZU , SAKUMA KATSUMI
IPC分类号： B22D11/124 , B05B7/04
摘要： PURPOSE:To well spray an air-liquid mixture by mounting a nozzle part having a jet orifice to a mixer and providing a control orifice to an air source capable of changing an air flow rate. CONSTITUTION:In a mixer 1, a water stream collides with the air stream flowing along the center axis thereof and, at this time, water is dropped to flow to a nozzle part 2 while carried by the air stream and discharged from a jet orifice 5 with a spray angle theta and a spray pattern. When the size of a material to be treated is reduced at the time of secondary cooling work, the air feed pressure to a control air introducing part 7 is increased according to the reduction degree of the size of the material by a pressure control valve 20 and air is injected with an air flow rate corresponding to the air feed pressures from control orifices 6, 6a. Whereupon, the spray angle theta from the orifice 5 is narrowed and a spray pattern is narrowed according thereto. By this constitution, proper spray action can be always imparted.

2. 发明专利

JPH10193054A METHOD AND DEVICE FOR INSERTING AND EJECTING IMMERSION NOZZLE TO/FROM IMMERSION NOZZLE EXCHANGING APPARATUS 失效
公开(公告)号：JPH10193054A
公开(公告)日：1998-07-28
申请号：JP625197
申请日：1997-01-17
申请人： SUMITOMO METAL IND , SUMITOMO HEAVY INDUSTRIES
发明人： KOIDE MASAKAZU , HASHIO MORINORI , IKEDA MASAHIRO
IPC分类号： B22D41/56 , B22D11/10
摘要： PROBLEM TO BE SOLVED: To provide a method for inserting and ejecting an immersion nozzle to/from an exchanging apparatus which is particularly, applicable to even in the case of a mold for medium thickness slab. SOLUTION: After the top plate 2a of the immersion nozzle 2 is made into a horizontal state by holding it, the new immersion nozzle 2 is inserted into an inlet guide of the changing apparatus 5 by guiding the the tip side of the immersion nozzle 2 with a guide 15 and vertically swinging downward while horizontally moving the nozzle 2 by being guided with an inlet side guide rail 13 to insert the immersion nozzle 2 from the tip thereof to the one short wall side of the mold 1. Further, after the top plate 2a of the immersion nozzle 2 positioned at the outlet side guide of the exchanging apparatus 5 is held, the used immersion nozzle 2 is ejected from the outlet side guide of the changing apparatus 5 by guiding the tip side of the immersion nozzle 2 with the guide and vertically swinging upward while horizontally moving the nozzle by being with an outlet side guide rail. The productivity is improved and the maintenance cost of a tundish and refractory cost are reduced.

3. 发明专利

JPH08192253A FEEDING METHOD AT CONTINUOUS CASTING OF BROAD THIN SLAB 失效
公开(公告)号：JPH08192253A
公开(公告)日：1996-07-30
申请号：JP400995
申请日：1995-01-13
申请人： SUMITOMO METAL IND
发明人： KANAZAWA TAKASHI , HASHIO MORINORI
IPC分类号： B22D11/00 , B22D11/10 , B22D11/103
摘要： PURPOSE: To prevent the intrusion of powder, etc., and enable the stable operation by lowering a discharge flow velocity and the collision flow velocity against the short sides of a casting mold at the time of feeding in the stage of continuously casting a broad thin slab. CONSTITUTION: This method is for feeding molten steel at the time of continuously casting the broad thin slab. Two pieces of imersion nozzles 1 each of which has just one discharge hole 1a are arranged in juxtaposition in such a manner that these discharge holes 1a face the short sides of a casting mold 2. The molten steel is supplied into the casting mold 2 via two pieces of these immersion nozzles 1.

4. 发明专利

JPH02247059A METHOD AND DEVICE FOR CONTROLLING CURVED SHORT WALL SIDE IN MOLD FOR CONTINUOUS CASTING 失效
公开(公告)号：JPH02247059A
公开(公告)日：1990-10-02
申请号：JP6894589
申请日：1989-03-20
申请人： SUMITOMO METAL IND
发明人： MURAKAMI TOSHIHIKO , HASHIO MORINORI , YAMADA TSUNEO , NAKAI TAKESHI , ISHIHARA KOICHIRO
IPC分类号： B22D11/04 , B22D11/05 , B22D11/16
摘要： PURPOSE:To make uniform heat conductive quantity through copper plates of a mold and to produce a continuous cast slab having excellent quality by forming one pair of copper plates at short wall sides forming the mold to curved shape in continuous casting apparatus for molten steel under consideration of solidified shrinking rate of the molten steel in the mold caused by conditions of steel kind of the molten steel, casting velocity, mold cooling condition, etc. CONSTITUTION:At the time of pouring the molten steel into the mold for continuous casting composed of each two pieces of long wall side copper plates and short wall side copper plates in the continuous casting apparatus for molten steel to draw out this as continuous cast slab, the faced two pieces of short wall side copper plates 1 constituting the mold are deformed at three positions L1, L2, L3 of a backup frame 2 in the rear to form the curved face. In this case, under consideration of the solidified shrinking rate with the steel kind of the molten steel for continuous casting, with the heat conductive quantity through copper plate in the mold according to the casting velocity and according to the cooling condition in the mold, the short wall side copper plate 1 is deformed as matching free solidified shrinkage profile of the molten steel by using L1 and L3 points as supporting points and L2 point as loading point. The solidified shell is uniformly developed in the mold and the mold for continuous casting having a little breakout of molten steel and wear of the short wall side copper plate, is obtd.

5. 发明专利

JPS5785646A METHOD FOR PERFECT PRODUCTION OF RESIDUAL MOLTEN KILLED STEEL 失效
公开(公告)号：JPS5785646A
公开(公告)日：1982-05-28
申请号：JP16054080
申请日：1980-11-14
申请人： SUMITOMO METAL IND
发明人： OKAMOTO SETSUO , MARUKAWA YUUJIYOU , TOKUDA MAKOTO , HASHIO MORINORI
IPC分类号： B22D7/00 , B22D7/06
摘要： PURPOSE:To obviate the production of scraps by treating residual molten metal by the use of a prescribed vertically short mold. CONSTITUTION:A vertically short mold A is beforehand disposed near the array of vertically long molds 8, and molten steel is charged successively into the molds 8 through a nozzle provided in the bottom part of a ladle 6, after which only the molten steel that will be the residual molten steel is charged into the mold A and is made into an ingot as a vertically short steel ingot by an ingot making method for vertically short mold. The ingot making method for vertically short mold refers to a method of making ingots by using a mold having the short side size of the section in the horizontal direction larger as compared to the size in the height direction of the mold, covering the inside side walls of said mold with heat insulating materials, top-pouring molten steel into sald mold through a nozzle provided in the bottom part of a ladle, covering the top surface of the molten steel with a heat insulating material and accelerating unidireactional solidification from the bottom part of the steel ingot.

6. 发明专利

JPS53141109A MOLTEN METAL EXHAUST DEVICE FOR USE IN STEEL DISCHARGE PORT OF CONVERTER 失效
公开(公告)号：JPS53141109A
公开(公告)日：1978-12-08
申请号：JP5585377
申请日：1977-05-14
申请人： SUMITOMO METAL IND , TOSHIBA CERAMICS CO
发明人： HASHIO MORINORI , TOZAKI YASUYUKI , SAEKI AKIRA , NISHIO TADANARU , ITOU KAZUO
IPC分类号： C21C5/46 , F27D3/14
摘要： PURPOSE:To provide the subject device wherein a stationary plate and a slide plate fitted to a steel discharge port of a converter is constituted by alumina and an exhaust nozzle is constituted by magnesia of high purity, whereby corrosion of the exhaust nozzle is reduced and the flow-out of molten metal and molten slag are stabilized for a long period of time.

7. 发明专利

JPH11320059A CONTINUOUS CASTING APPARATUS 失效
公开(公告)号：JPH11320059A
公开(公告)日：1999-11-24
申请号：JP12364598
申请日：1998-05-06
申请人： SUMITOMO METAL IND , SUMITOMO HEAVY INDUSTRIES
发明人： KUMAKURA SEIJI , OKA MASAHIKO , IKEDA MASAHIRO , HASHIO MORINORI
IPC分类号： B22D11/128 , B22D11/16
摘要： PROBLEM TO BE SOLVED: To provide a continuous casting apparatus which can coped with the small cross section of a mold for producing thinner cast slab than the thickness of the conventional cast slab and the increase of casting speed, in the continuous casting apparatus which can restrain generation of bulging and the variation of molten surface in the mold accompanying the push back caused by the bulging. SOLUTION: Pitches of plural pairs of guide rolls No.1-5 for supporting the cast slab 1 continuously drawn out from a mold after the outlet of the mold, contain two or more kinds (L1, L2), and the guide rolls are disposed so that two or more kinds of the pitches repeatedly appear. In this apparatus, it is desirable that the roll pitches contain two or more kinds in the range of 150-270 mm, and the difference of the roll pitches having two or more kinds is >=20 mm.

8. 发明专利

JPS59118259A Casting method of unidirectionally solidified steel ingot 失效
标题翻译：单向固化钢的铸造方法
公开(公告)号：JPS59118259A
公开(公告)日：1984-07-07
申请号：JP22599782
申请日：1982-12-24
申请人： Sumitomo Metal Ind Ltd
发明人： OKAMOTO SETSUO , HASHIO MORINORI
IPC分类号： B22D27/04 , B22D27/00
CPC分类号： B22D27/003
摘要： PURPOSE:To decrease the concn. of hydrogen in a molten steel and to obtain a unidirectionally solidified steel ingot having no blowholes by decreasing the parital pressure of hydrogen in the atmosphere in a casting mold during operation. CONSTITUTION:A casting mold 3 provided with a heat insulating sleeve 4 is covered by a heat insulating cover 11 provided with a blowing port 9 for dehydrated air and a discharging part 10 for the atmosphere in the casting mold. The dehydrated air of a high temp. is blown into the mold 3 to substitute the atmosphere in the casting mold with said air. As a result, the partial pressure of hydrogen in the atmosphere in the casting mold is decreased with an increase in the volume of the air to be blown from the same state as in the conventional casting mold wherein the substitution with the air is hardly performed. The concn. of the hydrogen in the molten steel is thereby decreased. As a result, a unidirectionally solidified steel ingot obviating the generation of the blowholes which are not press-stuck in a rolling stage is obtd. The air to be blown is preferably of >=0.1Nm /m .sec flow rate and >=400 deg.C.
摘要翻译：目的：减少浓度的氢气，并且通过在操作期间通过降低铸模中的气氛中的氢气的离子压力来获得没有气孔的单向凝固的钢锭。构成：设置有隔热套筒4的铸模3由设置有脱水空气用吹出口9的绝热盖11和铸模中的大气排出部10覆盖。高温脱水空气被吹入模具3中以用所述空气代替铸模中的气氛。结果，随着空气的替代几乎不进行的常规铸造模具的相同状态，铸模中的气氛中的氢分压随着吹入空气的体积的增加而减小。浓浓的的钢水中的氢气由此降低。结果，可以避免单向凝固的钢锭消除在轧制阶段没有被压住的气孔的产生。待吹入的空气优选为> = 0.1Nm 3 / m 3·sec的流速和> = 400℃。

9. 发明专利

JPS5992152A SUPPLY DEVICE FOR MOLTEN METAL FOR TWIN BELT CONTINUOUS CASTING MACHINE 失效
公开(公告)号：JPS5992152A
公开(公告)日：1984-05-28
申请号：JP20141782
申请日：1982-11-17
申请人： SUMITOMO METAL IND
发明人： INOUE YUUJI , FUJII YOSHIHIKO , HASHIO MORINORI , SUGITANI YASUO , NAKAMURA MASANORI
IPC分类号： B22D11/10 , B22D11/06 , B22D11/103 , B22D11/119
摘要： PURPOSE:To cast continuously the molten steel which is carried batchwise without interruption by receiving the molten steel in a ladle in a master tundish and charging the molten steel supplied from the master tundish into a twin belt continuous casting machine from a slave tundish which receives said molten metal. CONSTITUTION:The charging flow of the molten metal from a ladle 1 into a master tundish 20 is sealed 24 to prevent oxidation by the atm. The tundish 20 is carried in a carriage 26 having a lifting mechanism 25 and is made movable between a preheating position and the prescribed position in the stage of casting. The molten steel in the tundish 20 is supplied through a sliding nozzle 21 and an extension tube 27 for preventing oxidation into a slave tundish 22. The tundish 22 is provided with a stopper nozzle 28 for removing the remaining steel and a skimmer 29 and is carried on a carriage 30, so that it is made travelable in the above-described position. The molten steel is charged from the top end of the spout provided to the tundish 22 into a twin belt continuous casting machine 18.

10. 发明专利

JPS5650776A MANUFACTURE OF LONGITUDINALLY SHORT STEEL INGOT 失效
公开(公告)号：JPS5650776A
公开(公告)日：1981-05-08
申请号：JP12505479
申请日：1979-09-28
申请人： SUMITOMO METAL IND
发明人： OKAMOTO SETSUO , MARUKAWA YUUJIYOU , HASHIO MORINORI
IPC分类号： B22D7/00 , B22D7/06 , B22D27/04 , B22D27/06
摘要： PURPOSE:To manufacture longitudinally short steel ingots of superior internal quality by making unidirectional solidification from ingot bottoms possible by covering the inside wall of a flat mold with an heat insulating material while leaving a ring-shaped lip part at the bottom of the inside wall and then by injecting melted metal. CONSTITUTION:Flat mold 2 used here should be of not more then 1 in ratio H/D of height H to width D and while ring-shaped lip part 21 of fixed height (h) is left at the bottom part of its inside wall, the entire surface of the inside wall is covered with heat insulating material 22. From foundry ladle 3, melted steel 5 is poured into mold 2 via nozzle 4 so that ratio H/D of steel-ingot height H to width D will be not more than 1.5. The top surface of this melted steel is covered with heat insulstor 8 to radiate heat from the melted steel only via surface plate 1, facilitating unidirectional solidification from the steel ingot bottom. Melted steel of condensed segragation remaining on the top surface of melted steel is removed in an adequate method.

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