EP0589998A1 - Tauchgiessrohr für dünnbramme - Google Patents
Tauchgiessrohr für dünnbrammeInfo
- Publication number
- EP0589998A1 EP0589998A1 EP92912758A EP92912758A EP0589998A1 EP 0589998 A1 EP0589998 A1 EP 0589998A1 EP 92912758 A EP92912758 A EP 92912758A EP 92912758 A EP92912758 A EP 92912758A EP 0589998 A1 EP0589998 A1 EP 0589998A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- side walls
- mold
- immersion
- narrow side
- distance
- 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
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 tube according to the preamble of claim 1.
- a pouring tube For the continuous casting of flat products made of steel, a pouring tube is used, which directs the melt from a storage container into a mold.
- the mold consists of broad side walls and narrow side walls, which keep the wide side walls at a distance of 50 to 100 mm and limit the narrow sides of the strand.
- the immersion pouring tubes have been adapted to the mold format in such a way that the immersion pouring tubes initially consist of a piece of pipe adjoining the casting container, which is enlarged in cross-section in the direction of the narrow side walls of the mold and is reduced in a direction perpendicular thereto.
- Dipping spouts with outlet openings which point in the direction of the narrow sides (see DE 3709 188 A1) or also point more in the pouring direction are customary, as is known, for example, from EP 0403808 A1.
- immersion spouts are also common, which have only one pouring opening in the pouring direction (see Stahl and Eisen (1991), No. 9, p. 107).
- These immersion nozzles allow a satisfactory operation with a strand lowering speed of up to 3 m / min.
- the melt emerging from the immersion tube has an unstable flow, such that the melt penetrating into the mold oscillates back and forth between the right and left boundary walls of the immersion nozzle.
- the invention is therefore based on the object of developing an immersion nozzle which avoids these disadvantages and allows the use of higher strand lowering speeds of up to 6 m / min with strand dimensions of 50 to 100 mm thickness and 600 mm to 2000 mm width and above.
- Fig. 1 shows a longitudinal section through the protruding into the mold
- Fig. 2 is a plan view in the sectional plane A-A of Fig. 1 and Fig. 3 shows another embodiment of an inventive
- Dipping spout in longitudinal section Dipping spout in longitudinal section.
- the immersion pouring tube consists of an upper tubular section 4, which is followed by a further section 4 '.
- the section 4 'of the immersion pouring tube is flared in one plane and is with a centrally arranged wedge-shaped
- Broad side walls 2 have a distance from each other between 50 to 100 mm, the respective angle is selected such that the angle of 10 is a distance between the narrow side walls 2 '
- Narrow side walls of the mold of 2000 mm and more are assigned.
- the outlet openings of the channels 7 lie in a plane perpendicular to the immersion tube axis 9.
- the plane of the outlet openings of the channels 7 are arranged perpendicular to the axes 8 of the channels 7.
- the position of the channels 7 of the section 4 'of the immersion pouring tube is defined by the angle o - which one of the channel axes 8 forms with the immersion pouring tube axis 9.
- the melt or the solidification front present in the strand is included in the formation of the flow. This results in essentially downward flow and only. a small proportion of the inflowing melt against the continuous casting direction a calm undisturbed melt pool level in the mold.
- the v / eere formation of the immersion pouring tube contributes essentially to this calm flow, such that the common cross-sectional area of the outflow openings of the channels 7 is larger than the free cross-sectional area of the inlet opening of the immersion pouring tube 4.
- FIG. 1 This free cross-sectional area of the inlet opening of the immersion pouring tube 4 is given in FIG. 1 by the annular gap between the stopper 5 and the spout 6 of a casting container, not shown.
- the spout 6 is embedded in a known manner in the bottom of the pouring container and the immersion tube 4 is flanged to the bottom plate of the pouring container under the pouring spout.
- a sealing ring 12 is expediently provided on the parting line for sealing in a recess in the flange 4 of the immersion pouring tube 4.
- the immersion pouring tube is flanged under the slide closure in a manner known per se and the cross-sectional area on the inlet side is given to one another in its respective position through the openings in the slide plates.
- Fig. 3 shows an embodiment of the immersion pouring tube 4 in the event that the immersion pouring tube 4 is inserted into the bottom of the pouring container.
- the upper section 13 of the immersion pouring tube 4 with a conically enlarged circumference then corresponds to the spout 6 as shown in FIG. 1.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Glass Compositions (AREA)
- Basic Packing Technique (AREA)
Description
Claims
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4120999 | 1991-06-21 | ||
DE4120999 | 1991-06-21 | ||
DE4142447 | 1991-12-18 | ||
DE4142447A DE4142447C3 (de) | 1991-06-21 | 1991-12-18 | Tauchgießrohr - Dünnbramme |
PCT/DE1992/000517 WO1993000191A1 (de) | 1991-06-21 | 1992-06-22 | Tauchgiessrohr für dünnbramme |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0589998A1 true EP0589998A1 (de) | 1994-04-06 |
EP0589998B1 EP0589998B1 (de) | 2000-03-15 |
Family
ID=25904900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92912758A Expired - Lifetime EP0589998B1 (de) | 1991-06-21 | 1992-06-22 | Tauchgiessrohr für dünnbramme |
Country Status (12)
Country | Link |
---|---|
US (1) | US5402993A (de) |
EP (1) | EP0589998B1 (de) |
JP (1) | JP2965217B2 (de) |
KR (1) | KR100226530B1 (de) |
AT (1) | ATE190533T1 (de) |
CA (1) | CA2111981C (de) |
DE (2) | DE4142447C3 (de) |
DK (1) | DK0589998T3 (de) |
ES (1) | ES2147552T3 (de) |
GR (1) | GR3033633T3 (de) |
UA (1) | UA26335C2 (de) |
WO (1) | WO1993000191A1 (de) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4319966A1 (de) * | 1993-06-17 | 1994-12-22 | Didier Werke Ag | Eintauchausguß |
BE1007317A3 (fr) * | 1993-07-27 | 1995-05-16 | Int Ind Eng Sa | Dispositif d'amenee et d'echange d'un tube de coulee dans une installation de coulee continue a brames minces. |
US5785880A (en) * | 1994-03-31 | 1998-07-28 | Vesuvius Usa | Submerged entry nozzle |
US5944261A (en) * | 1994-04-25 | 1999-08-31 | Vesuvius Crucible Company | Casting nozzle with multi-stage flow division |
IT1267284B1 (it) * | 1994-08-08 | 1997-01-28 | Danieli Off Mecc | Scaricatore per colata continua |
IT1267299B1 (it) * | 1994-09-30 | 1997-01-28 | Danieli Off Mecc | Scaricatore per cristallizzatore per colata continua di bramme sottili |
DE4436990C1 (de) * | 1994-10-07 | 1995-12-07 | Mannesmann Ag | Tauchgießrohr |
DE19505390C2 (de) * | 1995-02-17 | 2003-10-30 | Sms Demag Ag | Tauchgießrohr |
IT1284035B1 (it) * | 1996-06-19 | 1998-05-08 | Giovanni Arvedi | Tuffante per la colata continua di bramme sottili |
AU727845B2 (en) * | 1996-07-29 | 2001-01-04 | Mannesmann Aktiengesellschaft | Immersion nozzle for pouring molten metal (joint point) |
US5819844A (en) * | 1996-07-31 | 1998-10-13 | Vesuvius Crucible Company | Beaver-tail tube assembly and tube changing method |
UA51734C2 (uk) | 1996-10-03 | 2002-12-16 | Візувіус Крусібл Компані | Занурений стакан для пропускання рідкого металу і спосіб пропускання рідкого металу через нього |
FR2754748B1 (fr) * | 1996-10-23 | 1998-12-04 | Vesuvius France Sa | Piece de transfert et son procede de fabrication |
US6125916A (en) * | 1996-11-12 | 2000-10-03 | Giovanni Arvedi | Apparatus for the high-speed continuous casting of good quality thin steel slabs |
IT1287156B1 (it) * | 1996-11-12 | 1998-08-04 | Giovanni Arvedi | Insieme perfezionato di apparecchiature per la colata continua a velocita' elevata di bramme d'acciaio sottili di buona qualita' |
DE19647363C2 (de) * | 1996-11-18 | 1999-01-21 | Schloemann Siemag Ag | Tauchausguß bzw. -rohr |
DE19724232C2 (de) * | 1997-06-03 | 1999-04-15 | Mannesmann Ag | Verfahren und Vorrichtung zum Erzeugen von Brammen |
ATE258088T1 (de) * | 1998-11-20 | 2004-02-15 | Sms Demag Ag | Tauchgiessrohr zum einleiten von schmelze in eine kokille zum stranggiessen insbesondere von flachprodukten |
US6467704B2 (en) | 2000-11-30 | 2002-10-22 | Foseco International Limited | Nozzle for guiding molten metal |
DE10203594C1 (de) | 2002-01-23 | 2003-05-15 | Sms Demag Ag | Tauchausguss für ein einer Gießeinrichtung vorgeschaltetes metallurgisches Gefäß |
US20060243760A1 (en) * | 2005-04-27 | 2006-11-02 | Mcintosh James L | Submerged entry nozzle |
US7757747B2 (en) | 2005-04-27 | 2010-07-20 | Nucor Corporation | Submerged entry nozzle |
US7926550B2 (en) * | 2007-01-19 | 2011-04-19 | Nucor Corporation | Casting delivery nozzle with insert |
US7926549B2 (en) * | 2007-01-19 | 2011-04-19 | Nucor Corporation | Delivery nozzle with more uniform flow and method of continuous casting by use thereof |
US8047264B2 (en) * | 2009-03-13 | 2011-11-01 | Nucor Corporation | Casting delivery nozzle |
US8905335B1 (en) * | 2009-06-10 | 2014-12-09 | The United States Of America, As Represented By The Secretary Of The Navy | Casting nozzle with dimensional repeatability for viscous liquid dispensing |
EA016943B1 (ru) * | 2011-11-09 | 2012-08-30 | Техком Гмбх | Способ непрерывной разливки стали и погружной стакан для непрерывной разливки стали |
US11103921B2 (en) * | 2017-05-15 | 2021-08-31 | Vesuvius U S A Corporation | Asymmetric slab nozzle and metallurgical assembly for casting metal including it |
CN112548086B (zh) * | 2020-12-03 | 2022-05-17 | 一重集团大连工程技术有限公司 | 一种抑制液面波动的板坯浸入式水口 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3709188A1 (de) * | 1987-03-20 | 1988-09-29 | Mannesmann Ag | Ausgiessrohr fuer metallurgische gefaesse |
DE3709138C2 (de) * | 1987-03-20 | 1996-09-05 | Siemens Ag | Verfahren zur Herstellung eines magnetischen Werkstoffes aus pulverförmigen Ausgangskomponenten |
DE3811751A1 (de) * | 1988-04-08 | 1989-10-19 | Schloemann Siemag Ag | Tauchgiessrohr zum einleiten von metallschmelze in eine metallbandgiesskokille |
GB8814331D0 (en) * | 1988-06-16 | 1988-07-20 | Davy Distington Ltd | Continuous casting of steel |
DE3918228C2 (de) * | 1989-06-03 | 1996-11-07 | Schloemann Siemag Ag | Tauchgießrohr zum Einleiten von Stahlschmelze in eine Stranggießkokille |
US5205343A (en) * | 1989-06-03 | 1993-04-27 | Sms Schloemann-Siemag Aktiengesellschaft | Pouring tube for feeding molten steel into a continuous casting mold |
DE4032624A1 (de) * | 1990-10-15 | 1992-04-16 | Schloemann Siemag Ag | Tauchgiessrohr zum einleiten von stahlschmelze in eine stranggiesskokille |
-
1991
- 1991-12-18 DE DE4142447A patent/DE4142447C3/de not_active Expired - Fee Related
-
1992
- 1992-06-22 DE DE59209821T patent/DE59209821D1/de not_active Expired - Lifetime
- 1992-06-22 JP JP5501292A patent/JP2965217B2/ja not_active Expired - Lifetime
- 1992-06-22 DK DK92912758T patent/DK0589998T3/da active
- 1992-06-22 WO PCT/DE1992/000517 patent/WO1993000191A1/de active IP Right Grant
- 1992-06-22 CA CA002111981A patent/CA2111981C/en not_active Expired - Fee Related
- 1992-06-22 UA UA94030665A patent/UA26335C2/uk unknown
- 1992-06-22 AT AT92912758T patent/ATE190533T1/de active
- 1992-06-22 KR KR1019930703978A patent/KR100226530B1/ko not_active IP Right Cessation
- 1992-06-22 EP EP92912758A patent/EP0589998B1/de not_active Expired - Lifetime
- 1992-06-22 ES ES92912758T patent/ES2147552T3/es not_active Expired - Lifetime
-
1994
- 1994-02-17 US US08/167,897 patent/US5402993A/en not_active Expired - Lifetime
-
2000
- 2000-06-08 GR GR20000401320T patent/GR3033633T3/el not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO9300191A1 * |
Also Published As
Publication number | Publication date |
---|---|
GR3033633T3 (en) | 2000-10-31 |
KR940701312A (ko) | 1994-05-28 |
EP0589998B1 (de) | 2000-03-15 |
WO1993000191A1 (de) | 1993-01-07 |
US5402993A (en) | 1995-04-04 |
JP2965217B2 (ja) | 1999-10-18 |
ES2147552T3 (es) | 2000-09-16 |
ATE190533T1 (de) | 2000-04-15 |
DE4142447C2 (de) | 1993-11-11 |
KR100226530B1 (ko) | 1999-10-15 |
JPH06508559A (ja) | 1994-09-29 |
DE59209821D1 (de) | 2000-04-20 |
CA2111981C (en) | 1999-04-06 |
DE4142447A1 (de) | 1992-12-24 |
UA26335C2 (uk) | 1999-08-30 |
DK0589998T3 (da) | 2000-06-05 |
DE4142447C3 (de) | 1999-09-09 |
CA2111981A1 (en) | 1993-01-07 |
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