ATE97598T1 - DEVICE FOR HOLDING AND/OR POURING FOR CONTAINERS FOR MELTING METAL BATHS. - Google Patents

DEVICE FOR HOLDING AND/OR POURING FOR CONTAINERS FOR MELTING METAL BATHS.

Info

Publication number
ATE97598T1
ATE97598T1 AT90305293T AT90305293T ATE97598T1 AT E97598 T1 ATE97598 T1 AT E97598T1 AT 90305293 T AT90305293 T AT 90305293T AT 90305293 T AT90305293 T AT 90305293T AT E97598 T1 ATE97598 T1 AT E97598T1
Authority
AT
Austria
Prior art keywords
metal
outlet
contaminations
openings
starting tube
Prior art date
Application number
AT90305293T
Other languages
German (de)
Inventor
Heinrich Comes
Klaus-Dieter Friede
Hubert Krampe
Michael Juennemann
Original Assignee
Foseco Int
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 Int filed Critical Foseco Int
Application granted granted Critical
Publication of ATE97598T1 publication Critical patent/ATE97598T1/en

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

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

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8907044U DE8907044U1 (en) 1989-06-08 1989-06-08
EP90305293A EP0401988B1 (en) 1989-06-08 1990-05-16 Retaining and/or pouring means for tanks for metal melting baths

Publications (1)

Publication Number Publication Date
ATE97598T1 true ATE97598T1 (en) 1993-12-15

Family

ID=6839928

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90305293T ATE97598T1 (en) 1989-06-08 1990-05-16 DEVICE FOR HOLDING AND/OR POURING FOR CONTAINERS FOR MELTING METAL 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, Gb
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 waterslot device capable of 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

Family Cites Families (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
DE2316757C3 (en) * 1973-04-04 1978-08-03 Thermo-Industrie Gmbh & Co Kg, 3300 Braunschweig Ladle for steel
DE2830811C2 (en) * 1978-07-13 1982-07-29 Eisen- und Stahlwerk Pleissner GmbH, 3420 Herzberg Method and device for casting molded castings
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, Gb

Also Published As

Publication number Publication date
EP0401988A2 (en) 1990-12-12
EP0401988A3 (en) 1991-02-06
CA2018376A1 (en) 1990-12-08
DE69004742T2 (en) 1994-03-17
TR27237A (en) 1994-12-20
ES2045806T3 (en) 1994-01-16
EP0401988B1 (en) 1993-11-24
DD294890A5 (en) 1991-10-17
DE8907044U1 (en) 1989-08-03
JPH0371971A (en) 1991-03-27
DE69004742D1 (en) 1994-01-05

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties