EP0401988A3 - Retaining and/or pouring means for tanks for metal melting baths - Google Patents

Retaining and/or pouring means for tanks for metal melting baths Download PDF

Info

Publication number
EP0401988A3
EP0401988A3 EP19900305293 EP90305293A EP0401988A3 EP 0401988 A3 EP0401988 A3 EP 0401988A3 EP 19900305293 EP19900305293 EP 19900305293 EP 90305293 A EP90305293 A EP 90305293A EP 0401988 A3 EP0401988 A3 EP 0401988A3
Authority
EP
European Patent Office
Prior art keywords
metal
outlet
contaminations
openings
retaining
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
Application number
EP19900305293
Other languages
German (de)
French (fr)
Other versions
EP0401988A2 (en
EP0401988B1 (en
Inventor
Heinrich Comes
Klaus-Dieter Friede
Hubert Krampe
Michael Jünnemann
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.)
Foseco International Ltd
Original Assignee
Foseco International Ltd
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 Foseco International Ltd filed Critical Foseco International Ltd
Priority to AT90305293T priority Critical patent/ATE97598T1/en
Publication of EP0401988A2 publication Critical patent/EP0401988A2/en
Publication of EP0401988A3 publication Critical patent/EP0401988A3/en
Application granted granted Critical
Publication of EP0401988B1 publication Critical patent/EP0401988B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D43/00—Mechanical cleaning, e.g. skimming of molten metals
    • B22D43/001—Retaining slag during pouring molten metal
    • B22D43/002—Retaining slag during pouring molten metal by using floating means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Continuous Casting (AREA)
  • Coating With Molten Metal (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

The invention relates to means for retaining contaminations in metal melting baths, e.g. a tundish containing molten metal.
Contaminations, e.g. from slag and other covering layers on the metal surface, can pass through the outlet of the tundish and hence contaminate the cast metal. The invention aims to avoid this problem by providing an annular buoyancy body (2) which surrounds the outlet (4), the body (2) being in the form of a protective ring preventing particles (10, 11) floating on the surface of the metal (12) from entering outlet (4). The body (2) may be constrained to surround a starting tube (1) which surrounds outlet (4) and to float up the starting tube (1) with increasing depth of molten metal (12). Pouring openings (3) in the starting tube (1) are thereby effectively closed by body (2) as the slag-covered surface of the metal (12) rises above the openings (3) and the openings (3) are then exposed to allow molten metal (12) to flow through only after layers (10, 11) of potential contaminations have safely passed.
EP90305293A 1989-06-08 1990-05-16 Retaining and/or pouring means for tanks for metal melting baths Expired - Lifetime EP0401988B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90305293T ATE97598T1 (en) 1989-06-08 1990-05-16 DEVICE FOR HOLDING AND/OR POURING FOR CONTAINERS FOR MELTING METAL BATHS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8907044U DE8907044U1 (en) 1989-06-08 1989-06-08 Retention or pouring device for containers for molten metal
DE8907044U 1989-06-08

Publications (3)

Publication Number Publication Date
EP0401988A2 EP0401988A2 (en) 1990-12-12
EP0401988A3 true EP0401988A3 (en) 1991-02-06
EP0401988B1 EP0401988B1 (en) 1993-11-24

Family

ID=6839928

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90305293A Expired - Lifetime EP0401988B1 (en) 1989-06-08 1990-05-16 Retaining and/or pouring means for tanks for metal melting baths

Country Status (8)

Country Link
EP (1) EP0401988B1 (en)
JP (1) JPH0371971A (en)
AT (1) ATE97598T1 (en)
CA (1) CA2018376A1 (en)
DD (1) DD294890A5 (en)
DE (2) DE8907044U1 (en)
ES (1) ES2045806T3 (en)
TR (1) TR27237A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8907044U1 (en) * 1989-06-08 1989-08-03 Foseco International Ltd., Birmingham Retention or pouring device for containers for molten metal
DE3922549A1 (en) * 1989-07-08 1991-01-10 Metacon Ag DEVICE FOR LACQUEL-FREE POURING OF CONTINUOUS CASTING PLANTS
DE10115097A1 (en) * 2001-03-27 2002-10-24 Rhi Ag Wien Device for preventing a vortex effect in the outlet area of a metallurgical melting vessel
GB2450896A (en) * 2007-07-10 2009-01-14 Anglo American Platinum Corp Separating apparatus and method for assaying
US9646831B2 (en) 2009-11-03 2017-05-09 The Trustees Of Columbia University In The City Of New York Advanced excimer laser annealing for thin films
CN102398004A (en) * 2011-11-29 2012-04-04 中冶南方工程技术有限公司 Sliding water gap device for preventing vortex
CN107774913B (en) * 2017-10-13 2020-04-07 共享装备股份有限公司 Pouring basin for sand mold and manufacturing method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH517542A (en) * 1970-10-26 1972-01-15 Concast Ag Float valve - for preventing discharge of slag with metal from a pouring vessel
FR2224230A1 (en) * 1973-04-04 1974-10-31 Thermo Ind Gmbh Et Co Kg
DE2830811A1 (en) * 1978-07-13 1980-01-31 Eisen U Stahlwerk Pleissner Gm Casting metal from bottom pour ladle into mould - where casting pipe extends to bottom of downgate and has inlet for injecting inert gas at top
US4526349A (en) * 1983-12-13 1985-07-02 Schwer John W Method and article of manufacture for controlling slag carry-over during tapping of a heat in steelmaking
DE8907044U1 (en) * 1989-06-08 1989-08-03 Foseco International Ltd., Birmingham Retention or pouring device for containers for molten metal

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH517542A (en) * 1970-10-26 1972-01-15 Concast Ag Float valve - for preventing discharge of slag with metal from a pouring vessel
FR2224230A1 (en) * 1973-04-04 1974-10-31 Thermo Ind Gmbh Et Co Kg
DE2830811A1 (en) * 1978-07-13 1980-01-31 Eisen U Stahlwerk Pleissner Gm Casting metal from bottom pour ladle into mould - where casting pipe extends to bottom of downgate and has inlet for injecting inert gas at top
US4526349A (en) * 1983-12-13 1985-07-02 Schwer John W Method and article of manufacture for controlling slag carry-over during tapping of a heat in steelmaking
DE8907044U1 (en) * 1989-06-08 1989-08-03 Foseco International Ltd., Birmingham Retention or pouring device for containers for molten metal

Also Published As

Publication number Publication date
ATE97598T1 (en) 1993-12-15
DE69004742D1 (en) 1994-01-05
ES2045806T3 (en) 1994-01-16
DD294890A5 (en) 1991-10-17
JPH0371971A (en) 1991-03-27
TR27237A (en) 1994-12-20
EP0401988A2 (en) 1990-12-12
DE69004742T2 (en) 1994-03-17
CA2018376A1 (en) 1990-12-08
EP0401988B1 (en) 1993-11-24
DE8907044U1 (en) 1989-08-03

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