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EP0746434B1 - Verfahren und vorrichtung zum kühlen schmelzflüssigen stahls - Google Patents

Verfahren und vorrichtung zum kühlen schmelzflüssigen stahls Download PDF

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Publication number
EP0746434B1
EP0746434B1 EP95910398A EP95910398A EP0746434B1 EP 0746434 B1 EP0746434 B1 EP 0746434B1 EP 95910398 A EP95910398 A EP 95910398A EP 95910398 A EP95910398 A EP 95910398A EP 0746434 B1 EP0746434 B1 EP 0746434B1
Authority
EP
European Patent Office
Prior art keywords
gas
strand
steel
steel strand
speed
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
EP95910398A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0746434A1 (de
Inventor
Wolfgang Reichelt
Ulrich Urlau
Paul Freier
Karl-Heinz Spitzer
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.)
Vodafone GmbH
Original Assignee
Mannesmann 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6512282&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0746434(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Mannesmann AG filed Critical Mannesmann AG
Publication of EP0746434A1 publication Critical patent/EP0746434A1/de
Application granted granted Critical
Publication of EP0746434B1 publication Critical patent/EP0746434B1/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
    • B22D11/0631—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by a travelling straight surface, e.g. through-like moulds, a belt
    • 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
    • B22D11/0697—Accessories therefor for casting in a protected atmosphere
    • 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
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling

Definitions

  • the invention relates to a method for cooling molten liquid produced by strip casting Steel, in which at least part of a metal nozzle of a metallurgical vessel emerging melt solidifies by contact with a cooling surface, a one reducing atmosphere forming gas stream or an inert gas stream, on the surface of the freely accessible liquid steel strand immediately after leaving the metal nozzle of the metallurgical vessel, and the strand surface at least up to complete solidification of this gas atmosphere is exposed, as well as a device to carry out the procedure.
  • inert gas is proposed in the production of steel blanks by continuously pouring a metal jet into a cooled mold at the upper part of the mold near the surface of the liquid metal above the metal.
  • Nitrogen or argon is proposed, which is previously liquefied by compressing and lowering the temperature and is applied in the liquefied state to the surface of the steel blank. From this document it is only known to expose liquid metal to an inert gas atmosphere and to set up the gas jet in such a way that the liquid metal of the pipe body is rotated about a vertical axis.
  • the gas used here is introduced into the housing in an undirected manner and is used exclusively for cooling and usually to reduce scale formation.
  • the inert gas was brought into contact with either the liquid or the already solidified surface.
  • belt casting as is known, for example, from DE 38 10 302, the liquid metal is placed on a cooled endless belt and the free surface of the belt strand cools down during transport on the conveyor belt, so that the free surface is still near the nozzle in the front area is liquid and then solidifies by cooling.
  • the invention has set itself the goal of a method and a to create appropriate device with the influence on the Surface of the metallic strand material both on its shape and on its quality is taken.
  • a gas stream is released onto the surface of the accessible liquid steel strand immediately after leaving it the metal nozzle of the metallurgical vessel.
  • the Strand surface at least until the complete solidification of the Steel strand exposed to a gas that creates an inert atmosphere forms.
  • inert gases such as argon or Nitrogen.
  • the gas in an amount and a rate in such a way to guide the surface of the steel strand that influence is taken on the shape of the casting strand.
  • it can Surface pressed in and the entire strand for example, the profile can be given in the form of a crown.
  • the gas can also be controlled in such a way that it complements the gas kinetics has a positive influence in reducing the formation of bumps.
  • FIG. 1 shows a metallurgical vessel 11, in which a Metal nozzle 12 flows out of a molten metal M.
  • the melt M is guided on a conveyor belt 43, which as Endless belt of a drive drum 41 and a deflection drum 42 is held.
  • a cooling device 44 is provided, which the steel strand S, which in Direction of conveyance s is transported, cools.
  • the metal strand S is surrounded by a housing 31, of which it is Outlet 32 surrounded by a seal 33 to minimize gas leakage is.
  • Gas nozzles 25 are passed through the ceiling of the housing 31. This Nozzles 25 have an angle between 0 and 45 ° on. These gas nozzles 25 are connected to gas distributors 26 which are connected to a compressor 21 via feed lines 23. The Gas nozzles 25 can be shut off individually by shut-off elements 24.
  • a heat exchanger 22 is located between the compressor 21 and the nozzles 25 arranged with which the temperature of a reduced atmosphere forming gas or the inert gas can be predetermined.
  • the compressor 21 is connected to a gas supply station 29.
  • a connecting line 28 is provided, which Gas supply station 29 via a gas manifold 27 with the Housing 31 connects in the area of the strand exit 32.
  • FIG. 2 shows how using identical position digits
  • Figure 1 shows a cross section through a strip caster. Is shown the arrangement of several gas nozzles 25 side by side, each one Have shut-off device 24 and are connected to a distributor 25, which has the lead 23.
  • a seal 34 is provided in the upper region of the deflection drum 42, which the Lekagen between the side cheeks of the housing 31 and the Side shields of drum 42 minimized.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Furnace Details (AREA)
EP95910398A 1994-03-04 1995-02-10 Verfahren und vorrichtung zum kühlen schmelzflüssigen stahls Expired - Lifetime EP0746434B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4407873 1994-03-04
DE4407873A DE4407873C2 (de) 1994-03-04 1994-03-04 Verfahren und Vorrichtung zum Kühlen schmelzflüssigen Stahls
PCT/DE1995/000196 WO1995023661A1 (de) 1994-03-04 1995-02-10 Verfahren und vorrichtung zum kühlen schmelzflüssigen stahls

Publications (2)

Publication Number Publication Date
EP0746434A1 EP0746434A1 (de) 1996-12-11
EP0746434B1 true EP0746434B1 (de) 1998-12-30

Family

ID=6512282

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95910398A Expired - Lifetime EP0746434B1 (de) 1994-03-04 1995-02-10 Verfahren und vorrichtung zum kühlen schmelzflüssigen stahls

Country Status (13)

Country Link
US (1) US5836377A (zh)
EP (1) EP0746434B1 (zh)
JP (1) JP3016594B2 (zh)
KR (1) KR100295950B1 (zh)
CN (1) CN1046447C (zh)
AT (1) ATE175136T1 (zh)
AU (1) AU679342B2 (zh)
BR (1) BR9506980A (zh)
CA (1) CA2184719C (zh)
DE (1) DE4407873C2 (zh)
RU (1) RU2122919C1 (zh)
WO (1) WO1995023661A1 (zh)
ZA (1) ZA951664B (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012080191A1 (de) 2010-12-15 2012-06-21 Sms Siemag Ag Vorrichtung und verfahren zum horizontalen giessen von metallbändern

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19811434C2 (de) * 1998-03-17 2002-05-16 Mannesmann Ag Verfahren und Vorrichtung zum Vergleichmäßigen eines schmelzflüssigen Metallfilmes
DE19823440C1 (de) * 1998-05-19 1999-12-09 Mannesmann Ag Verfahren und Vorrichtung zum endabmessungsnahen Gießen von Metall
US6527043B2 (en) * 2001-05-01 2003-03-04 Antaya Technologies Corporation Apparatus for casting solder on a moving strip
ITMI20021506A1 (it) * 2002-07-10 2004-01-12 Danieli Off Mecc Dispositivo di regolazione della temperatura del nastro in un impianto di colata continua di nastro metallico
KR100537429B1 (ko) * 2003-05-13 2005-12-19 한국기계연구원 휠밴드 연속주조에 의한 마그네슘합금의 판재 제조장치 및제조방법
US7451804B2 (en) * 2006-11-22 2008-11-18 Peterson Oren V Method and apparatus for horizontal continuous metal casting in a sealed table caster
DE102009031236B3 (de) * 2009-06-26 2010-12-02 Salzgitter Flachstahl Gmbh Verfahren und Vorrichtung zum Erzeugen von Stahlbändern mittels Bandgießen
DE102017103046A1 (de) 2017-02-15 2018-08-16 Salzgitter Flachstahl Gmbh Horizontale Bandgießanlage mit optimierter Gießatmosphäre
DE102017104279A1 (de) * 2017-03-01 2018-09-06 Salzgitter Flachstahl Gmbh Horizontale Bandgießanlage mit optimierter Kühlung
DE102017105570A1 (de) 2017-03-15 2018-09-20 Salzgitter Flachstahl Gmbh Horizontale Bandgießanlage mit optimiertem Gießband
CN110355339B (zh) * 2019-07-26 2024-03-26 武汉高智达连铸智能科技有限公司 一种去除扇形段末端氧化铁皮的装置及方法
CN113245528A (zh) * 2021-05-11 2021-08-13 大连交通大学 一种真空液态连续流变挤压成套设备及成形方法

Family Cites Families (16)

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Publication number Priority date Publication date Assignee Title
GB1341024A (en) * 1970-10-29 1973-12-19 Ici Ltd Anthraquinone disperse dyestuffs
US4648438A (en) * 1982-04-28 1987-03-10 Hazelett Strip-Casting Corporation Method and apparatus for feeding and continuously casting molten metal with inert gas applied to the moving mold surfaces and to the entering metal
DE3227132A1 (de) * 1982-07-20 1984-01-26 Canadian Patents and Development Ltd., Ottawa, Ontario Verfahren und vorrichtung zum kontinuierlichen giessen von aluminiumhaltigen stahl- und legierungsschmelzen
JPS59150646A (ja) * 1983-02-17 1984-08-28 Kawasaki Steel Corp 金属板の連続鋳造方法およびその装置
JPS60199552A (ja) * 1984-03-23 1985-10-09 Nippon Steel Corp 金属薄帯の製造方法
DE3423834A1 (de) * 1984-06-28 1986-01-09 Mannesmann AG, 4000 Düsseldorf Verfahren und vorrichtung zum kontinuierlichen giessen von metallschmelze, insbesondere von stahlschmelze
DE3425092A1 (de) * 1984-07-07 1986-02-06 SMS Schloemann-Siemag AG, 4000 Düsseldorf Verfahren und vorrichtung zum kuehlen von kontinuierlich gefoerderten giessstraengen in einer stranggiessanlage
JPS6138747A (ja) * 1984-07-31 1986-02-24 Ishikawajima Harima Heavy Ind Co Ltd 連続鋳造方法
GB8426804D0 (en) * 1984-10-23 1984-11-28 Ciba Geigy Ag Pyridazinones preparations
DE3505537C2 (de) * 1985-02-18 1995-06-14 Knorr Bremse Ag Tastventil für Druckluftbremsen von Schienenfahrzeugen
JPS6277151A (ja) * 1985-09-30 1987-04-09 Nippon Steel Corp 双ロール型連続鋳造装置
BE1000490A4 (fr) * 1987-04-22 1988-12-27 O C C Company Ltd Procede de coulee continue d'un ruban metallique.
DE3810302A1 (de) * 1988-03-24 1989-10-12 Mannesmann Ag Giesseinrichtung zur kontinuierlichen herstellung von metallband
JPH03142046A (ja) * 1989-10-28 1991-06-17 Furukawa Electric Co Ltd:The 連続鋳造方法
US5299628A (en) * 1991-07-03 1994-04-05 Olin Corporation Method and apparatus for the casting of molten metal
JP3502107B2 (ja) * 1991-08-29 2004-03-02 Ｔｄｋ株式会社 永久磁石材料の製造方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012080191A1 (de) 2010-12-15 2012-06-21 Sms Siemag Ag Vorrichtung und verfahren zum horizontalen giessen von metallbändern
DE102010063093A1 (de) 2010-12-15 2012-06-21 Sms Siemag Ag Einrichtung und Verfahren zum horizontalen Bandgießen
DE102010063093B4 (de) 2010-12-15 2023-07-06 Sms Group Gmbh Vorrichtung und Verfahren zum horizontalen Gießen von Metallbändern

Also Published As

Publication number Publication date
CA2184719A1 (en) 1995-09-08
ZA951664B (en) 1996-02-09
WO1995023661A1 (de) 1995-09-08
AU679342B2 (en) 1997-06-26
DE4407873A1 (de) 1995-09-07
DE4407873C2 (de) 1997-04-10
US5836377A (en) 1998-11-17
CN1046447C (zh) 1999-11-17
BR9506980A (pt) 1997-09-16
JPH09511451A (ja) 1997-11-18
EP0746434A1 (de) 1996-12-11
ATE175136T1 (de) 1999-01-15
KR100295950B1 (ko) 2001-10-24
CN1143340A (zh) 1997-02-19
AU1753595A (en) 1995-09-18
RU2122919C1 (ru) 1998-12-10
CA2184719C (en) 2005-05-10
JP3016594B2 (ja) 2000-03-06

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