EP1294508B1 - Feuerfeste giessrohreinheit für die anordnung am ausguss eines metallschmelze enthaltenden gefässes, insbesondere eines zwischenbehälters einer bandgiessanlage - Google Patents

Feuerfeste giessrohreinheit für die anordnung am ausguss eines metallschmelze enthaltenden gefässes, insbesondere eines zwischenbehälters einer bandgiessanlage Download PDF

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Publication number
EP1294508B1
EP1294508B1 EP01947414A EP01947414A EP1294508B1 EP 1294508 B1 EP1294508 B1 EP 1294508B1 EP 01947414 A EP01947414 A EP 01947414A EP 01947414 A EP01947414 A EP 01947414A EP 1294508 B1 EP1294508 B1 EP 1294508B1
Authority
EP
European Patent Office
Prior art keywords
spout
openings
refractory
spout member
casting
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.)
Expired - Lifetime
Application number
EP01947414A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1294508A1 (de
Inventor
Heinrich Marti
Jacques Barbe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Main Management Inspiration AG
SMS Siemag AG
Original Assignee
Main Management Inspiration AG
SMS Demag AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Main Management Inspiration AG, SMS Demag AG filed Critical Main Management Inspiration AG
Publication of EP1294508A1 publication Critical patent/EP1294508A1/de
Application granted granted Critical
Publication of EP1294508B1 publication Critical patent/EP1294508B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • B22D11/10—Supplying or treating molten metal
    • 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
    • B22D41/08—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like for bottom pouring

Definitions

  • the invention relates to a refractory casting tube unit for the arrangement on the spout a molten metal containing vessel, in particular at the spout of a Swiss organizations a strip casting, wherein the casting tube unit at least a connectable to the intermediate container vertical refractory casting tube and an outgoing from this, extending horizontally refractory G demrohrteil, which with one or more over the length distributed openings is provided.
  • a refractory pouring tube unit which is arranged on an intermediate container is and immersed in the molten bath between two casting rolls.
  • the Casting tube unit consists of a spout, which is connected to the intermediate container is and a dip tube, which surrounds the spout
  • the dip tube consists of a horizontally extending casting tube part, which with several is provided over the length distributed openings for the melt.
  • the Immersion tube contains inside an elongated chamber and below the chamber two elongated distribution holes communicating via openings stand.
  • melt due to the chosen construction with relative high kinetic energy emerges and visible against the surface of the casting rolls should be directed and is deflected from there into the melt bath, whereby possibly lead to damage of the strand shell of the cast strip can.
  • the present invention based on the object designed to make a casting tube unit such that between the Casting rolls inflowing melt with the smallest possible kinetic energy with laminar uniform flow and the forming bath level remains as flat as possible between these casting rolls.
  • the melt as evenly as possible over the entire Casting roll length is distributed and the band skin of the steel on the two Rolls over their entire width is formed with a constant Dickenvenauf.
  • the object is inventively achieved in that the horizontally elongated G demeticzeteit is divided by a separation into an upper and a lower chamber, wherein the spout of the vertical G demrohrteils opens into the lower chamber and in the separation openings are provided, through which the in the lower Chamber melt can flow into the upper chamber and from this through openings in the wall bounding the upper chamber can.
  • the plurality of the length distributed openings of the horizontal G confuserohrteils from the lower end spaced upwards, so that in the G dirtrohrteil a sump is formed. It is advantageous that the horizontal G stealrohrteil an approximate rectangular, triangular or polygonal, round, semicircular or one having similar cross-section, of the both sides as well as preferably end face lead away the openings.
  • the elongated casting tube part independent of the vertical casting tube part on a separate Suspension is held and this one casting tube part here in the other Gellorohrteil extends.
  • An advantageous embodiment of the casting tube unit is characterized in that on the bottom of the tube one or more discharge openings for pouring the melt are provided at the pouring end.
  • the lateral end elements of the casting tube unit with emptying openings be provided.
  • Fig. 1 shows a refractory lined intermediate container 10 for casting of molten metal in a per se known strip casting machine 30 with two Casting rollers 31, by means of the particular thin steel bands of a few millimeters Thickness and a width up to two meters can be produced. From the only partial illustrated strip casting machine 30 are the casting rolls 31 and a this enclosing housing box 32 indicated.
  • the intermediate container 10 has a lid 15 ', a melt 13 receiving Interior and a arranged on its bottom spout 14.
  • the melt 13 is filled by a dip tube 16 extending into the container 10, which is connected to the spout of a pan not shown in detail.
  • a pouring spout 21 forming the spout 14 projects into the melt bath 33 the rotating casting rolls 31.
  • the interior of the container 10 is hereby advantageously filled with inert gas. Between the container 10 and the housing cover 32, a bellows 36 enclosing the pouring tube 21 is further provided.
  • the container interior is in at least two with a through hole 17 with each other associated chambers 11, 12, of which in the one chamber 11th the melt 13 can be filled, while the other chamber 12 with the spout 14 is provided, wherein the flowing from the first into the second chamber 11, 12 Amount of melt by means of a control valve 19 at the passage opening 17th is adjustable.
  • a vertical partition wall 18 is provided inside the container, which is advantageously arranged off-center, so that the filling chamber 11 in volume two to thirty times as large as the chamber 12 with the spout.
  • this designed as a plug closure control valve 19 actuated such that in the chamber 12 with the spout 14 during the Pouring a constant bath height of the melt is maintained, which is beneficial is adjustable by a control member and a meter for the bath height.
  • the Control valve could also be a screw cap, a sliding closure or the like be provided.
  • the inlet 17 'at the through-opening 17 forming nozzle 26 is the container bottom arranged offset in the filling chamber 11 upwards. This offers the advantage that from the pan in this chamber possibly reaching inclusions settle on the floor and do not get into the subsequent chamber 12.
  • the invention is characterized by the refractory casting tube unit 21, 21 ', to the following some design details are explained.
  • This casting tube unit consists at least of a vertical embedded on the container bottom G manrohrteil 21, and from a separate, emanating from this, with a horizontal extension provided elongated casting tube part 90.
  • This tubular formed casting tube part 90 is provided with a plurality of openings distributed over the length 96 and is evenly spaced from the casting rolls 31 and arranged approximately extending over the length thereof.
  • Figs. 2 and 3 illustrate a refractory pouring tube unit, which is one of Container bottom projecting down vertical Gellorohrteil 21 with an inner Meteringdüse 23 and attached to this box-shaped Gellorohrteil 22 has.
  • the latter is advantageously provided with a sufficient length, so that the melt bath 33 approximately to the outside to the side seals is supplied with so-called hot melt and parasitic solidification be prevented.
  • This casting tube part 22 is for manufacturing reasons formed in two parts, of which the upper lid-shaped part 24 with a flange 24 'provided for attachment to the G confuserohrteil 21 and to this the lower cup-shaped part 29 by means of indicated pins 28, in particular refractory Bolt, is attached.
  • This pouring tube part 22 forms one connected to the central inlet opening 39 elongated channel 38 and on both sides as well as frontally away from this groove-shaped openings 34, 37.
  • These several over the length in evenly spaced openings 34 are within the scope of the invention spaced from the lower end, so that on the one hand the from these openings 34 emerging melt a flow direction obliquely on the top and on the other hand, the channel 38 forms a kind of swamp bath, from this in it at most be deposited in the melt solid particles. It arises the further advantage that the melt flowing into this channel 38 initially distributed in this over its entire length and then in approximate equal amounts of these openings 34 exits.
  • Figs. 4 and 5 show a similar pouring tube unit as that of Fig. 2. It Therefore, the differences are now explained below in this casting tube unit are associated with the part 40, an upper and a lower longitudinal channel 44, 45, which are interconnected by distributed over the length of vertical holes 46 are, with the holes 46 are larger in diameter outwards.
  • This first longitudinal channel 44 is a throttling of the melt flow brought about before the melt through the second channel 45 and the again upwardly offset outlet openings 42 flows out.
  • the turn two-part casting tube part 70 with a semicircular Cross section provided.
  • the openings 71 are offset laterally upwards arranged so that the same advantageous effects as explained above enter.
  • the openings 71 may be vertical only or in addition to the lateral ones be arranged down. It is essential that by the new incoming Material no local erosion of the resulting band skin arises.
  • Fig. 7 and Fig. 8 show the pouring pipe unit according to the invention, in which the elongated casting tube part 90 of a horizontally extending refractory Pipe 91 on both sides each have a closure element 92 and a partition wall 95th consists.
  • the partition wall 95 arranged approximately in the center of the tube 91 bottom part the same in an upper and in a lower chamber 93, 94, which by over the entire length of the partition in rows arranged openings 97, as holes, slots or the like are connected to each other.
  • the pouring tube part 21 protrudes through this and the dividing wall 95 and thus flows into the lower chamber 94th
  • this casting tube unit The function of this casting tube unit is that the melt from Intermediate tank through the passage opening 14 of the Gellorohrteils 21 in the lower Chamber 94 flows until this chamber 94 has been filled with melt. As a result, the melt rises through the openings 97 into the upper chamber 93 and from this through openings 96 in the upper chamber delimiting Wall, so that melt targeted between the two casting rolls can flow out.
  • the swamp forming in the chamber 94 of the melt to be drawn off can drain at the end of the pouring are at the bottom.
  • the pipe 91 advantageously one or more openings provided.
  • the final elements 92 may also be provided with corresponding openings.
  • Fig. 9 shows a variant of a casting tube unit, in which, unlike the above example, the elongated G manrohrteil 80 not on the vertical G manrohrteil 81, but is held on a separate suspension.
  • This suspension 85 is in this case attached to the bottom of the intermediate container 10.
  • There are also two conventionally configured, vertically arranged pouring tubes 81 provided in are embedded in the intermediate container 10 at a certain distance from each other and extend into the horizontal pouring tube 80. For smaller widths can also be worked only with a pouring tube.
  • the tubular-shaped casting tube part 80 has a plurality of lateral openings 83 and each end an extended end cover 86, in the perforations 86 ' contained, in which the suspension 85 engages.
  • the pouring tube 80 has approximately a length like the casting rolls 31, of which in Fig. 4, the side seals 91 are illustrated. This makes this casting tube unit very much easy to manufacture, without any technical disadvantages are accepted would.
  • the casting tube parts could also be designed in two or more parts in the sense be, as the pipe parts are composed of corresponding pipe sections could.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
EP01947414A 2000-06-28 2001-06-27 Feuerfeste giessrohreinheit für die anordnung am ausguss eines metallschmelze enthaltenden gefässes, insbesondere eines zwischenbehälters einer bandgiessanlage Expired - Lifetime EP1294508B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH01277/00A CH691762A5 (de) 2000-06-28 2000-06-28 Zwischenbehälter mit einer feuerfesten Giessrohreinheit für das Abgiessen von Metallschmelze in eine Bandgiessmaschine sowie eine Giessrohreinheit.
CH12772000 2000-06-28
PCT/EP2001/007351 WO2002000372A1 (de) 2000-06-28 2001-06-27 Feuerfeste giessrohreinheit für die anordnung am ausguss eines metallschmelze enthaltenden gefässes, insbesondere eines zwischenbehälters einer bandgiessanlage

Publications (2)

Publication Number Publication Date
EP1294508A1 EP1294508A1 (de) 2003-03-26
EP1294508B1 true EP1294508B1 (de) 2004-06-09

Family

ID=4565249

Family Applications (2)

Application Number Title Priority Date Filing Date
EP01947414A Expired - Lifetime EP1294508B1 (de) 2000-06-28 2001-06-27 Feuerfeste giessrohreinheit für die anordnung am ausguss eines metallschmelze enthaltenden gefässes, insbesondere eines zwischenbehälters einer bandgiessanlage
EP01953179A Withdrawn EP1294509A1 (de) 2000-06-28 2001-06-27 Zwischenbehälter für das abgiessen von metallschmelze in eine bandgiessmaschine

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP01953179A Withdrawn EP1294509A1 (de) 2000-06-28 2001-06-27 Zwischenbehälter für das abgiessen von metallschmelze in eine bandgiessmaschine

Country Status (13)

Country Link
US (1) US7063242B2 (pt)
EP (2) EP1294508B1 (pt)
JP (1) JP5078213B2 (pt)
KR (1) KR100787966B1 (pt)
CN (2) CN1225330C (pt)
AT (1) ATE268658T1 (pt)
AU (2) AU2001269101A1 (pt)
CA (1) CA2413339C (pt)
CH (1) CH691762A5 (pt)
DE (1) DE50102539D1 (pt)
RU (1) RU2270735C2 (pt)
TW (1) TW558464B (pt)
WO (2) WO2002000373A1 (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7690417B2 (en) * 2001-09-14 2010-04-06 Nucor Corporation Thin cast strip with controlled manganese and low oxygen levels and method for making same
JP2005230826A (ja) 2004-02-17 2005-09-02 Ishikawajima Harima Heavy Ind Co Ltd 溶湯供給ノズル
US7926549B2 (en) * 2007-01-19 2011-04-19 Nucor Corporation Delivery nozzle with more uniform flow and method of continuous casting by use thereof
US7926550B2 (en) * 2007-01-19 2011-04-19 Nucor Corporation Casting delivery nozzle with insert
CN101502878B (zh) * 2009-02-27 2011-02-16 莱芜钢铁股份有限公司 一种异型坯连铸机中间包及其不同铸坯断面的转换方法
US8047264B2 (en) * 2009-03-13 2011-11-01 Nucor Corporation Casting delivery nozzle
US8225845B2 (en) * 2009-12-04 2012-07-24 Nucor Corporation Casting delivery nozzle
CN103586446B (zh) * 2013-11-20 2015-12-30 青岛云路新能源科技有限公司 带材的喷制装置
JP6497200B2 (ja) * 2015-05-11 2019-04-10 新日鐵住金株式会社 ストリップ鋳造装置用浸漬ノズルおよびストリップ鋳造装置
CN109248995A (zh) * 2018-11-29 2019-01-22 横店集团东磁股份有限公司 一种喷带包及纳米晶带材的制备方法
CN114406216B (zh) * 2021-12-30 2024-05-31 河北敬业高品钢科技有限公司 一种双辊薄带连铸布流器过渡装置及其建造方法
CN115106495B (zh) * 2022-06-30 2023-10-27 中钢设备有限公司 一种薄带钢连续铸造装置
CN115820978B (zh) * 2022-12-07 2024-03-22 福建三宝钢铁有限公司 一种无取向硅钢的炼钢工艺

Family Cites Families (11)

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Publication number Priority date Publication date Assignee Title
DE2316757C3 (de) * 1973-04-04 1978-08-03 Thermo-Industrie Gmbh & Co Kg, 3300 Braunschweig Gießpfanne für Stahl
JPS6021171A (ja) 1983-07-16 1985-02-02 Nisshin Steel Co Ltd 幅広薄板連続鋳造装置
DE3403152C2 (de) * 1984-01-31 1986-02-20 Fried. Krupp Gmbh, 4300 Essen Verfahren zum Zuführen von Stahlschmelze aus einem Zwischenbehälter in eine Doppelbandstranggießkokille und Zwischenbehälter zur Durchführung des Verfahrens
JPH01228649A (ja) * 1988-03-07 1989-09-12 Nippon Steel Corp 広幅薄肉鋳片の連続鋳造用ノズル
AUPN545095A0 (en) * 1995-09-14 1995-10-12 Bhp Steel (Jla) Pty Limited Strip casting
FR2739313B1 (fr) * 1995-09-28 1997-10-31 Usinor Sacilor Busette pour l'introduction d'un metal liquide dans une lingotiere de coulee continue des metaux
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
FR2741555B1 (fr) 1995-11-23 1997-12-26 Usinor Sacilor Busette pour l'introduction d'un metal liquide dans une lingotiere de coulee continue de produits metalliques, et installation de coulee continue de produits metalliques equipees d'une telle busette
AUPN770296A0 (en) * 1996-01-24 1996-02-15 Bhp Steel (Jla) Pty Limited Strip casting
AUPO236896A0 (en) * 1996-09-16 1996-10-10 Bhp Steel (Jla) Pty Limited Strip casting
FR2777485B1 (fr) * 1998-04-16 2000-05-19 Usinor Busette pour l'indroduction de metal liquide dans une lingotiere de coulee continue des metaux

Also Published As

Publication number Publication date
RU2270735C2 (ru) 2006-02-27
US7063242B2 (en) 2006-06-20
US20040041311A1 (en) 2004-03-04
JP5078213B2 (ja) 2012-11-21
AU2001269101A1 (en) 2002-01-08
WO2002000372A1 (de) 2002-01-03
CN1225330C (zh) 2005-11-02
CN1440316A (zh) 2003-09-03
EP1294509A1 (de) 2003-03-26
CH691762A5 (de) 2001-10-15
CA2413339C (en) 2009-12-29
EP1294508A1 (de) 2003-03-26
JP2004501769A (ja) 2004-01-22
CN1545437A (zh) 2004-11-10
KR20030016305A (ko) 2003-02-26
ATE268658T1 (de) 2004-06-15
KR100787966B1 (ko) 2007-12-24
WO2002000373A1 (de) 2002-01-03
CA2413339A1 (en) 2002-01-03
AU2001275686A1 (en) 2002-01-08
DE50102539D1 (de) 2004-07-15
TW558464B (en) 2003-10-21

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