DE59300738D1 - Freewheel lock for metallurgical vessels with bottom closure. - Google Patents

Freewheel lock for metallurgical vessels with bottom closure.

Info

Publication number
DE59300738D1
DE59300738D1 DE59300738T DE59300738T DE59300738D1 DE 59300738 D1 DE59300738 D1 DE 59300738D1 DE 59300738 T DE59300738 T DE 59300738T DE 59300738 T DE59300738 T DE 59300738T DE 59300738 D1 DE59300738 D1 DE 59300738D1
Authority
DE
Germany
Prior art keywords
bottom closure
metallurgical vessels
plugging means
main body
freewheel lock
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 - Fee Related
Application number
DE59300738T
Other languages
German (de)
Inventor
Klaus Dohnt
Steffen Dr Nikisch
Klaus Wenzel
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.)
EKO STAHL AG
Original Assignee
EKO STAHL 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 EKO STAHL AG filed Critical EKO STAHL AG
Application granted granted Critical
Publication of DE59300738D1 publication Critical patent/DE59300738D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/4653—Tapholes; Opening or plugging thereof
    • 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
    • B22D41/14—Closures
    • B22D41/44—Consumable closure means, i.e. closure means being used only once
    • B22D41/46—Refractory plugging masses

Abstract

The invention relates to a plugging means for metallurgical vessels with a bottom closure, the plugging means being intended for the reliable freeing of the pouring channel on opening the bottom closure. The plugging means according to the invention consists of a main body (1) of shell-like or tubular design which, at its two ends, has bent folds (2) at an angle of about 90 DEG to the inner circumferential surface, and a flexible hose (3) filled with slide sand or some other filling material is placed in the main body (1) formed in this way. <IMAGE>
DE59300738T 1992-06-02 1993-05-05 Freewheel lock for metallurgical vessels with bottom closure. Expired - Fee Related DE59300738D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4218512A DE4218512C2 (en) 1992-06-02 1992-06-02 Freewheel lock for metallurgical vessels with bottom closure

Publications (1)

Publication Number Publication Date
DE59300738D1 true DE59300738D1 (en) 1995-11-16

Family

ID=6460430

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4218512A Expired - Fee Related DE4218512C2 (en) 1992-06-02 1992-06-02 Freewheel lock for metallurgical vessels with bottom closure
DE59300738T Expired - Fee Related DE59300738D1 (en) 1992-06-02 1993-05-05 Freewheel lock for metallurgical vessels with bottom closure.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE4218512A Expired - Fee Related DE4218512C2 (en) 1992-06-02 1992-06-02 Freewheel lock for metallurgical vessels with bottom closure

Country Status (6)

Country Link
EP (1) EP0573779B1 (en)
AT (1) ATE128892T1 (en)
DE (2) DE4218512C2 (en)
ES (1) ES2081656T3 (en)
RU (1) RU2086353C1 (en)
UA (1) UA26259C2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113523261A (en) * 2020-04-21 2021-10-22 宝山钢铁股份有限公司 Ladle self-opening drainage sand and ladle self-opening method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE7412784L (en) * 1973-10-12 1975-04-14 Uss Eng & Consult
CA1151835A (en) * 1979-02-17 1983-08-16 Jan O. Kristiansen Metallurgical pouring vessels
US4795066A (en) * 1982-09-23 1989-01-03 Kaiser Steel Corporation Ladle nozzle insert
DD280270A1 (en) * 1989-03-08 1990-07-04 Veb Bandstahlkombinat "Hermann Matern",Dd SLIDING SHOULDERS FOR METALLURGICAL GEFAESSE
DD301654A5 (en) * 1990-08-24 1993-05-19 Eko Stahl Ag FREE SHIPPING FOR METALLURGICAL GEFAESSES WITH FLOOR CLOSURE

Also Published As

Publication number Publication date
UA26259C2 (en) 1999-07-19
EP0573779A1 (en) 1993-12-15
DE4218512A1 (en) 1993-12-09
ES2081656T3 (en) 1996-03-16
RU2086353C1 (en) 1997-08-10
EP0573779B1 (en) 1995-10-11
DE4218512C2 (en) 1994-03-24
ATE128892T1 (en) 1995-10-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee