EP1465743A1 - Busette de coulee immergee pour conteneur metallurgique monte en amont d'un dispositif de coulee - Google Patents
Busette de coulee immergee pour conteneur metallurgique monte en amont d'un dispositif de couleeInfo
- Publication number
- EP1465743A1 EP1465743A1 EP03731658A EP03731658A EP1465743A1 EP 1465743 A1 EP1465743 A1 EP 1465743A1 EP 03731658 A EP03731658 A EP 03731658A EP 03731658 A EP03731658 A EP 03731658A EP 1465743 A1 EP1465743 A1 EP 1465743A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- section
- cross
- nozzle according
- immersion nozzle
- semiaxis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000011144 upstream manufacturing Methods 0.000 title claims abstract description 6
- 238000005266 casting Methods 0.000 title abstract description 9
- 238000009749 continuous casting Methods 0.000 claims abstract description 3
- 238000007654 immersion Methods 0.000 claims description 22
- 230000007704 transition Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/50—Pouring-nozzles
Definitions
- the invention relates to a dip spout for a metallurgical vessel connected upstream of a pouring device, in which a slot-shaped pouring opening is provided in the mouth region and has a length that is several times greater than its width.
- the casting device is understood to mean, for example, a continuous casting mold, but also a strip casting installation, such as a twinroUer.
- a dip spout of the type mentioned at the outset is known from WO 98/53938.
- This immersion nozzle has a cylindrical shape with a circular, oval or bone-shaped cross-sectional shape.
- the outlet opening is slit-shaped and extends continuously at the bottom and into the side wall of the cylindrical part of the immersion spout.
- the invention is therefore based on the object of improving the immersion spout of the type mentioned in such a way that an improved flow profile also occurs with larger slab widths.
- This object is achieved according to the invention in a submerged nozzle for a metallurgical vessel connected upstream of a pouring device, in which a slot-shaped pouring opening is provided in the mouth region, which has a length that is several times greater than its width, in that its cross-section in the direction of its mouth is a circular inlet cross-section extended to a muzzle cross section, one semiaxis smaller and the other, perpendicular to it, semiaxis larger than the semiaxis of the circular inlet cross section and the bottom shape of which corresponds to that of the rotating body of an ellipse or an oval muzzle cross section around the larger semiaxis and that the slot-like outlet opening in the direction the larger semi-axis runs.
- the cross section of the mouth can be, for example, the shape of an ellipse or one
- Rhombus has, but it is also possible that the mouth cross-section has the shape of a combination of a circular cross-section with an ellipse-like cross-section.
- the bottom of the mouth cross section preferably runs in the direction of the smaller semiaxis in an arc shape or alternatively in the direction of the larger semiaxis.
- the transition from the circular cross section to the expanded cross section of the immersion spout can be designed as a function of the first or nth degree.
- the slot-shaped pouring opening preferably extends over the length of the entire bottom region.
- the shape of the slit-shaped pouring opening can correspond to that of a rectangle.
- the width of the pouring opening can increase from the center to the outside.
- the funnel-shaped expansion of the immersion nozzle according to the invention from a round cross-sectional shape, for example to an elliptical mouth cross section, changes the flow conditions inside and outside the immersion nozzle, so that there is a broadening of the flow in the pouring direction and a stronger backflow outside the immersion nozzle, which in turn is due to a greater heat input leads to an improved melting of the casting powder located on the bath level.
- the flow conditions are also significantly influenced by the bottom shape, namely the inner shape and the outer shape, it being assumed in the present description that the inner and outer bottom shape are essentially the same.
- An embodiment of the immersion nozzle according to the invention is shown in the drawing, namely in a longitudinal cross section and a side view.
- the funnel-shaped design being such that the extension of the smaller semi-axis of the eliipsoid is smaller is than the one (corresponding) axis of the round upper inlet cross-section.
- the slit-shaped pouring opening 2 extends into the side wall 4 over the entire bottom region 3.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Continuous Casting (AREA)
- Discharge Heating (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Sanitary Device For Flush Toilet (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10203594 | 2002-01-23 | ||
| DE10203594A DE10203594C1 (de) | 2002-01-23 | 2002-01-23 | Tauchausguss für ein einer Gießeinrichtung vorgeschaltetes metallurgisches Gefäß |
| PCT/DE2003/000186 WO2003061880A1 (fr) | 2002-01-23 | 2003-01-22 | Busette de coulee immergee pour conteneur metallurgique monte en amont d'un dispositif de coulee |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1465743A1 true EP1465743A1 (fr) | 2004-10-13 |
| EP1465743B1 EP1465743B1 (fr) | 2005-04-06 |
Family
ID=7713396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03731658A Expired - Lifetime EP1465743B1 (fr) | 2002-01-23 | 2003-01-22 | Busette de coulee immergee pour conteneur metallurgique monte en amont d'un dispositif de coulee |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7077343B2 (fr) |
| EP (1) | EP1465743B1 (fr) |
| CN (1) | CN1287934C (fr) |
| AT (1) | ATE292535T1 (fr) |
| DE (2) | DE10203594C1 (fr) |
| RU (1) | RU2309815C2 (fr) |
| WO (1) | WO2003061880A1 (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2769786B1 (fr) * | 2013-02-25 | 2017-04-19 | Refractory Intellectual Property GmbH & Co. KG | Buse d'entrée submergée |
| RU2530406C1 (ru) * | 2013-11-06 | 2014-10-10 | Олег Савельевич Кочетов | Форсунка |
| RU2554335C1 (ru) * | 2014-10-03 | 2015-06-27 | Олег Савельевич Кочетов | Вихревая форсунка |
| RU2656567C2 (ru) * | 2015-06-30 | 2018-06-05 | Анна Михайловна Стареева | Вихревая форсунка |
| CN110666148B (zh) * | 2019-11-21 | 2025-05-09 | 唐山钢铁集团有限责任公司 | 一种ftsc薄板坯连铸高通量浸入式水口 |
| JP7678320B2 (ja) * | 2021-10-12 | 2025-05-16 | 日本製鉄株式会社 | 双ロール式連続鋳造装置用注湯ノズル、双ロール式連続鋳造装置、および、薄肉鋳片の製造方法 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1033195A (en) * | 1911-09-29 | 1912-07-23 | Hanson Robinson | Flushing-nozzle. |
| US1133711A (en) * | 1913-03-20 | 1915-03-30 | Benjamin L Cornelius | Oil-burner tip. |
| US1599411A (en) * | 1924-06-20 | 1926-09-14 | John J Gilsenan | Nozzle |
| US5205343A (en) * | 1989-06-03 | 1993-04-27 | Sms Schloemann-Siemag Aktiengesellschaft | Pouring tube for feeding molten steel into a continuous casting mold |
| DE3918228C2 (de) * | 1989-06-03 | 1996-11-07 | Schloemann Siemag Ag | Tauchgießrohr zum Einleiten von Stahlschmelze in eine Stranggießkokille |
| SU1754323A1 (ru) * | 1990-06-28 | 1992-08-15 | Советско-Нидерландское Совместное Предприятие "Информаркет" | Погружной глуходонный огнеупорный стакан |
| DE4032624A1 (de) * | 1990-10-15 | 1992-04-16 | Schloemann Siemag Ag | Tauchgiessrohr zum einleiten von stahlschmelze in eine stranggiesskokille |
| DE4142447C3 (de) * | 1991-06-21 | 1999-09-09 | Mannesmann Ag | Tauchgießrohr - Dünnbramme |
| US5944261A (en) * | 1994-04-25 | 1999-08-31 | Vesuvius Crucible Company | Casting nozzle with multi-stage flow division |
| IT1267299B1 (it) * | 1994-09-30 | 1997-01-28 | Danieli Off Mecc | Scaricatore per cristallizzatore per colata continua di bramme sottili |
| FR2740367B1 (fr) * | 1995-10-30 | 1997-11-28 | Usinor Sacilor | Busette pour l'introduction d'un metal liquide dans une lingotiere de coulee continue de produits metalliques, dont le fond comporte des orifices |
| JP3096635B2 (ja) * | 1996-03-29 | 2000-10-10 | 住友金属工業株式会社 | 偏平状の連続鋳造用ノズル |
| IT1284035B1 (it) * | 1996-06-19 | 1998-05-08 | Giovanni Arvedi | Tuffante per la colata continua di bramme sottili |
| DE19715826A1 (de) | 1997-04-16 | 1998-10-22 | Schloemann Siemag Ag | Tauchgießrohr für eine Dünnbrammen- bzw. Stahlbandgießkokille |
| DE19722890A1 (de) * | 1997-05-28 | 1998-12-03 | Mannesmann Ag | Tauchausguß |
| US6467704B2 (en) * | 2000-11-30 | 2002-10-22 | Foseco International Limited | Nozzle for guiding molten metal |
-
2002
- 2002-01-23 DE DE10203594A patent/DE10203594C1/de not_active Expired - Fee Related
-
2003
- 2003-01-22 EP EP03731658A patent/EP1465743B1/fr not_active Expired - Lifetime
- 2003-01-22 RU RU2004125598/02A patent/RU2309815C2/ru not_active IP Right Cessation
- 2003-01-22 US US10/501,248 patent/US7077343B2/en not_active Expired - Fee Related
- 2003-01-22 CN CN03801822.5A patent/CN1287934C/zh not_active Expired - Fee Related
- 2003-01-22 WO PCT/DE2003/000186 patent/WO2003061880A1/fr not_active Ceased
- 2003-01-22 DE DE50300429T patent/DE50300429D1/de not_active Expired - Lifetime
- 2003-01-22 AT AT03731658T patent/ATE292535T1/de active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO03061880A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE292535T1 (de) | 2005-04-15 |
| EP1465743B1 (fr) | 2005-04-06 |
| US7077343B2 (en) | 2006-07-18 |
| CN1287934C (zh) | 2006-12-06 |
| DE10203594C1 (de) | 2003-05-15 |
| RU2309815C2 (ru) | 2007-11-10 |
| DE50300429D1 (de) | 2005-05-12 |
| RU2004125598A (ru) | 2005-07-20 |
| US20050082399A1 (en) | 2005-04-21 |
| WO2003061880A1 (fr) | 2003-07-31 |
| CN1610589A (zh) | 2005-04-27 |
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