EP2406025A1 - Giessdüse für eine horizontale bandgiessanlage - Google Patents
Giessdüse für eine horizontale bandgiessanlageInfo
- Publication number
- EP2406025A1 EP2406025A1 EP10722536A EP10722536A EP2406025A1 EP 2406025 A1 EP2406025 A1 EP 2406025A1 EP 10722536 A EP10722536 A EP 10722536A EP 10722536 A EP10722536 A EP 10722536A EP 2406025 A1 EP2406025 A1 EP 2406025A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- casting
- casting nozzle
- nozzle according
- hollow block
- width
- 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
- 238000005266 casting Methods 0.000 title claims abstract description 68
- 238000009749 continuous casting Methods 0.000 title abstract 2
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000000926 separation method Methods 0.000 claims description 16
- 239000011819 refractory material Substances 0.000 claims description 6
- 230000000630 rising effect Effects 0.000 claims description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 2
- 238000005192 partition Methods 0.000 claims 1
- 239000000155 melt Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000009827 uniform distribution Methods 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
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0637—Accessories therefor
- B22D11/064—Accessories therefor for supplying molten metal
- B22D11/0642—Nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/045—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds for horizontal casting
-
- 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 pouring nozzle for a horizontal strip casting plant, in particular for the casting of steel strip. In such casting plants must be applied from the nozzle, which forms a pouring channel, the liquid steel on a cooled endless belt.
- Such a casting nozzle is known from “Direct Strip Casting” (DSC) - Option for the Production of New Steel Grades "- steel research 74 (2003) no. 11/12 p. 724-731.
- DE 196 36 697 C1 discloses a pouring nozzle for Dünnbandg mananlagen is disclosed with a rear dam, which rests on a movable carrier in the conveying direction for the thin strip and a front dam which limits the pouring gap to the carrier in the conveying direction.
- a plurality of outflow openings adjacent to one another in the direction of the thin strip width are formed for the melt between the rear and front dams.
- the object of the invention is with the proven pouring nozzle, designed as a rectangular hollow block, and casting widths> 300 mm to master at reasonable production costs.
- the hollow block is divided at least once in the casting direction and at the separation point of the segments, a narrow sealing element is arranged, wherein the remaining columns in the separation area are to be selected in width so that they are closed during operation of the casting nozzle.
- the deflection occurring during operation of the pouring nozzle is limited to individual shorter segments and is therefore manageable.
- a sealing element is arranged between the segments.
- this is a refractory felt based on Al 2 O 3 , also known under the trade name "Pyrostop.” This material can withstand temperatures up to 1600 ° C. Depending on the thermal expansion of the refractory material used for the casting nozzle, the thickness of the sealing element should be 1 - 2 mm.
- the columns remaining in the separation zone areas during assembly of the individual segments are to be selected such that, when the casting nozzle is operated, they close as a result of the thermal expansion.
- a disadvantage of the multi-part design of the casting nozzle is the arrangement of a support web between the ceiling and floor element in each separation point area, since this leads to the division of the steel stream. To a confluence in the outlet area ensure that the width of the support bar should therefore be as low as possible and preferably not exceed 10 - 20 mm.
- both the top of the ceiling element and the underside of the bottom element of this clamping portion is provided with a rising against the casting direction bevel.
- the upper side of the ceiling element of the clamping section connects without offset to the top of the ceiling element of the front section.
- a modular design is proposed. It is characterized by a right and left arranged segment.
- both segments will be formed identically for cost reasons.
- the proposed multi-part of the pouring nozzle has the advantage that the individual segments have the necessary static strength, are cheaper to produce and allow a modular design for different casting widths.
- the pouring nozzle according to the invention is explained in detail. Show it:
- FIG. 1 shows a view against the casting direction of a two-part casting nozzle
- FIG. 2 is a plan view of FIG. 1
- FIG. 3 shows a section along A - A in FIG. 1,
- FIG. 4 shows a section along B - B in FIG. 1,
- FIG. 5 shows a view in the casting direction of FIG. 1,
- Figure 6 is a view against the casting direction of a four-part casting nozzle.
- FIGS. 1 and 5 a split casting nozzle according to the invention with the two segments 1.1, 1.2 is shown in two views, in FIG. 2 in a plan view, and in FIGS. 3 and 4 in two sections.
- Each segment 1.1, 1.2 is constructed almost mirror-inverted, each with a ceiling element 2.1, 2.2, a bottom element 3.1, 3.2 and a side member 4.1, 4.2. At the separation point 5 between the two segments 1.1, 1.2 a 1 - 2 mm thick sealing element 6 is arranged.
- the respective bottom element 3.1, 3.2 is provided at the separation point 5 with a corresponding step-like shoulder 7.1, 7.2.
- the limitation of the design of the two segments 1.1, 1.2 with almost mirror image equal refers to this staircase-like paragraph 7.1, 7.2.
- the remaining in the assembly of the two segments 1.1, 1.2 columns in the separation point 5 are chosen in width so that they close when operating the casting nozzle due to the thermal expansion.
- a support web 9.1, 9.2 is arranged in each case. Details are shown in Figure 4.
- each segment 1.1, 1.2 has in each case a front section 10.1, 10.2 and a clamping section 11.1, 11.2.
- Figure 3 is a section along the line A - A in Figure 1. In this section is on the one hand between the ceiling 2.1 and bottom element 3.1 horizontally extending channel 12.1 and on the other hand, arranged on the bottom element 3.1 lower weir 8.1 can be seen.
- the drawn in the channel 12.1 open arrow indicates the casting direction 13 at.
- 11.2 For the positive connection of the casting nozzle with the feed channel, not shown here of the casting direction 13 opposite section of the respective segment 1.1, 1.2 as a clamping portion 11.1, 11.2 is formed.
- the upper side of the ceiling element 2.1 in the clamping section 11.1 has a slope 14.1 which rises counter to the casting direction 13.
- the underside of the bottom element 3.1 in the clamping section 11.1 a counter to the casting direction rising slope 15.1.
- the pitch angle of the two slopes is in the range ⁇ 5 °.
- Figure 4 is a section along the line B - B in Figure 1. In this section, it can be seen that the side surfaces 16.1, 16.2 of the respective clamping portion 11.1, 11.2 are straight. Attention is also drawn to the biconical design of the respective support webs 9.1, 9.2.
- Such a design has the advantage that there is a streamlined course of the melt with sufficient rigidity of the buttresses.
- Figure 6 shows in a same view as Figure 1 a four-part casting nozzle, each with a segment 1.1, 1.2 at the edge and two middle segments 1.3, 1.4.
- the two outer segments 1.1, 1.2 have a mirror image of almost identical construction and the two middle segments 1.3, 1.4 are identical in construction. This makes it possible, depending on the desired casting width, to always use the two outer segments 1.1, 1.2 and to place either one or two middle segments 1.3, 1.4 therebetween and to choose the width of the middle or middle segments 1.3, 1.4 appropriately.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009012985A DE102009012985A1 (de) | 2009-03-12 | 2009-03-12 | Gießdüse für eine horizontale Bandgießanlage |
PCT/DE2010/000214 WO2010102600A1 (de) | 2009-03-12 | 2010-02-15 | Giessdüse für eine horizontale bandgiessanlage |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2406025A1 true EP2406025A1 (de) | 2012-01-18 |
EP2406025B1 EP2406025B1 (de) | 2020-01-22 |
Family
ID=42320593
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10722536.9A Active EP2406025B1 (de) | 2009-03-12 | 2010-02-15 | Giessdüse für eine horizontale bandgiessanlage |
Country Status (11)
Country | Link |
---|---|
US (1) | US8302663B2 (de) |
EP (1) | EP2406025B1 (de) |
JP (1) | JP5480306B2 (de) |
KR (1) | KR101662042B1 (de) |
CN (1) | CN102348520B (de) |
AU (1) | AU2010223681B2 (de) |
BR (1) | BRPI1009441B1 (de) |
DE (1) | DE102009012985A1 (de) |
RU (1) | RU2510305C2 (de) |
UA (1) | UA105380C2 (de) |
WO (1) | WO2010102600A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011010040B3 (de) | 2011-02-02 | 2012-08-02 | Salzgitter Flachstahl Gmbh | Verfahren und Einrichtung zum Erzeugen eines gegossenen Bandes aus Stahl mit über den Bandquerschnitt und die Bandlänge einstellbaren Werkstoffeigenschaften |
DE102012013425A1 (de) | 2012-07-03 | 2014-01-09 | Salzgitter Flachstahl Gmbh | Kontinuierlich arbeitende Bandgieß- und Walzanlage |
WO2018099834A1 (de) * | 2016-11-29 | 2018-06-07 | Sms Group Gmbh | GIEßDÜSE |
CN107817752B (zh) * | 2017-09-19 | 2024-01-30 | 芜湖安普机器人产业技术研究院有限公司 | 一种铜板水平连铸的自动化上料装置电气控制系统 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH633205A5 (de) * | 1978-01-30 | 1982-11-30 | Alusuisse | Vorrichtung zum zufuehren einer metallschmelze beim bandgiessen. |
JPS5835048A (ja) * | 1981-08-26 | 1983-03-01 | Mitsubishi Heavy Ind Ltd | 水平連続鋳造装置用プラグ |
US4593742A (en) | 1982-04-28 | 1986-06-10 | Hazelett Strip-Casting Corporation | Apparatus for feeding and continuously casting molten metal with inert gas applied to the moving mold surfaces and to the entering metal |
JPS58199649A (ja) * | 1982-05-19 | 1983-11-21 | Hitachi Ltd | 金属薄帯製造用多孔ノズル |
JPS61229449A (ja) * | 1985-04-04 | 1986-10-13 | Ishikawajima Harima Heavy Ind Co Ltd | 薄板連続鋳造機用給湯装置 |
CN85102673A (zh) * | 1985-04-09 | 1986-10-08 | 首都钢铁公司 | 嵌入式锆英石—石墨整体连接水口 |
US4716956A (en) * | 1986-12-03 | 1988-01-05 | Aluminum Company Of America | Roll caster feed tip and method |
US4972900A (en) * | 1989-10-24 | 1990-11-27 | Hazelett Strip-Casting Corporation | Permeable nozzle method and apparatus for closed feeding of molten metal into twin-belt continuous casting machines |
JPH06190511A (ja) * | 1992-12-25 | 1994-07-12 | Nippon Steel Corp | 薄肉鋳片の連続鋳造方法と鋳造用フラットノズル |
US5452827A (en) * | 1993-07-13 | 1995-09-26 | Eckert; C. Edward | Nozzle for continuous caster |
DE4436990C1 (de) * | 1994-10-07 | 1995-12-07 | Mannesmann Ag | Tauchgießrohr |
JPH09201655A (ja) * | 1996-01-22 | 1997-08-05 | Kobe Steel Ltd | 移動鋳型式薄スラブ連鋳機の注湯ノズルおよび移動鋳型式薄スラブ連鋳機における注湯方法 |
DE19636697C1 (de) | 1996-06-07 | 1997-08-14 | Preussag Stahl Ag | Gießdüse für Dünnbandgießanlagen |
IT1284035B1 (it) * | 1996-06-19 | 1998-05-08 | Giovanni Arvedi | Tuffante per la colata continua di bramme sottili |
US20060191664A1 (en) * | 2005-02-25 | 2006-08-31 | John Sulzer | Method of and molten metal feeder for continuous casting |
DE102005062854A1 (de) * | 2005-12-23 | 2007-07-05 | Salzgitter Flachstahl Gmbh | Verfahren und Einrichtung zum Erzeugen von metallischen Warmbändern insbesondere aus Leichtbaustahl |
JP2007203337A (ja) * | 2006-02-02 | 2007-08-16 | Ishikawajima Harima Heavy Ind Co Ltd | 双ロール鋳造機 |
-
2009
- 2009-03-12 DE DE102009012985A patent/DE102009012985A1/de not_active Withdrawn
-
2010
- 2010-02-15 WO PCT/DE2010/000214 patent/WO2010102600A1/de active Application Filing
- 2010-02-15 KR KR1020117021001A patent/KR101662042B1/ko active IP Right Grant
- 2010-02-15 UA UAA201111963A patent/UA105380C2/uk unknown
- 2010-02-15 AU AU2010223681A patent/AU2010223681B2/en not_active Ceased
- 2010-02-15 JP JP2011553278A patent/JP5480306B2/ja not_active Expired - Fee Related
- 2010-02-15 EP EP10722536.9A patent/EP2406025B1/de active Active
- 2010-02-15 RU RU2011141293/02A patent/RU2510305C2/ru not_active IP Right Cessation
- 2010-02-15 BR BRPI1009441A patent/BRPI1009441B1/pt not_active IP Right Cessation
- 2010-02-15 CN CN201080011096.1A patent/CN102348520B/zh not_active Expired - Fee Related
- 2010-02-15 US US13/255,588 patent/US8302663B2/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2010102600A1 * |
Also Published As
Publication number | Publication date |
---|---|
AU2010223681B2 (en) | 2015-12-10 |
CN102348520B (zh) | 2014-04-16 |
JP5480306B2 (ja) | 2014-04-23 |
US8302663B2 (en) | 2012-11-06 |
US20120138257A1 (en) | 2012-06-07 |
JP2012519595A (ja) | 2012-08-30 |
WO2010102600A1 (de) | 2010-09-16 |
CN102348520A (zh) | 2012-02-08 |
BRPI1009441A2 (pt) | 2016-03-01 |
BRPI1009441B1 (pt) | 2018-08-28 |
DE102009012985A1 (de) | 2010-09-23 |
KR20110126135A (ko) | 2011-11-22 |
RU2011141293A (ru) | 2013-04-20 |
UA105380C2 (uk) | 2014-05-12 |
EP2406025B1 (de) | 2020-01-22 |
RU2510305C2 (ru) | 2014-03-27 |
AU2010223681A1 (en) | 2011-09-22 |
KR101662042B1 (ko) | 2016-10-10 |
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