EP0293564A3 - Method for feeding flushing gas into a discharge hole with a slide gate nozzle for metallurgical vessels - Google Patents

Method for feeding flushing gas into a discharge hole with a slide gate nozzle for metallurgical vessels Download PDF

Info

Publication number
EP0293564A3
EP0293564A3 EP88104040A EP88104040A EP0293564A3 EP 0293564 A3 EP0293564 A3 EP 0293564A3 EP 88104040 A EP88104040 A EP 88104040A EP 88104040 A EP88104040 A EP 88104040A EP 0293564 A3 EP0293564 A3 EP 0293564A3
Authority
EP
European Patent Office
Prior art keywords
flushing gas
discharge hole
slide gate
gate nozzle
metallurgical vessels
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
EP88104040A
Other languages
German (de)
Other versions
EP0293564B1 (en
EP0293564A2 (en
Inventor
Bruno Muller
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.)
Stopinc AG
Original Assignee
Stopinc 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 Stopinc AG filed Critical Stopinc AG
Priority to AT88104040T priority Critical patent/ATE69186T1/en
Publication of EP0293564A2 publication Critical patent/EP0293564A2/en
Publication of EP0293564A3 publication Critical patent/EP0293564A3/en
Application granted granted Critical
Publication of EP0293564B1 publication Critical patent/EP0293564B1/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
    • 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
    • B22D41/14—Closures
    • B22D41/22—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
    • B22D41/42—Features relating to gas injection

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Toys (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Continuous Casting (AREA)

Abstract

The intention is to improve the introduction of flushing gas via the closed gate plate (6) in order to achieve if possible a one hundred per cent spontaneous outflow rate after the opening of the gate. When a predetermined backpressure of the flushing gas is reached and/or immediately prior to the opening of the gate plate (6), at least one jet produced by a pressure wave of at least 12 bar frees blockages arising in the nozzle (1) for spontaneous flow. <IMAGE>
EP88104040A 1987-06-05 1988-03-15 Method for feeding flushing gas into a discharge hole with a slide gate nozzle for metallurgical vessels Expired - Lifetime EP0293564B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88104040T ATE69186T1 (en) 1987-06-05 1988-03-15 METHOD OF INTRODUCING PURGE GAS INTO A SLIDE-CLOSED POUT OF METALLURGICAL VESSELS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3718890A DE3718890C1 (en) 1987-06-05 1987-06-05 Method for introducing purge gas into a pouring opening of metallurgical vessels with a sliding closure
DE3718890 1987-06-05

Publications (3)

Publication Number Publication Date
EP0293564A2 EP0293564A2 (en) 1988-12-07
EP0293564A3 true EP0293564A3 (en) 1989-10-11
EP0293564B1 EP0293564B1 (en) 1991-11-06

Family

ID=6329148

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88104040A Expired - Lifetime EP0293564B1 (en) 1987-06-05 1988-03-15 Method for feeding flushing gas into a discharge hole with a slide gate nozzle for metallurgical vessels

Country Status (11)

Country Link
US (1) US5119976A (en)
EP (1) EP0293564B1 (en)
JP (1) JPS63313655A (en)
KR (1) KR890000187A (en)
CN (1) CN1008331B (en)
AT (1) ATE69186T1 (en)
BR (1) BR8802713A (en)
DE (1) DE3718890C1 (en)
ES (1) ES2028156T3 (en)
IN (1) IN169578B (en)
ZA (1) ZA883087B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9316297D0 (en) * 1993-08-05 1993-09-22 Foseco Int Improvements in molten metal handling vessels
CH689447A5 (en) * 1994-12-16 1999-04-30 Concast Standard Ag Appts. for supplying molten steel to continuous casting moulds
US6660220B2 (en) 2001-12-21 2003-12-09 Isg Technologies Inc. Apparatus and method for delivering an inert gas to prevent plugging in a slide gate
PL1757386T3 (en) * 2005-08-27 2009-01-30 Refractory Intellectual Property Gmbh & Co Kg A refractory pouring tube with porous insert
EP2140833A1 (en) * 2008-07-03 2010-01-06 Curozone USA Inc. Dental treatment apparatus
CN103240410B (en) * 2013-05-17 2016-04-13 莱芜钢铁集团有限公司 The sliding nozzle device of Cleanliness of Molten Steel is improved by separation and recovery stuffing sand
CN103658629B (en) * 2013-12-18 2016-05-04 宁夏维尔铸造有限责任公司 Molten steel Argon pouring procedure
WO2018192619A1 (en) * 2017-04-20 2018-10-25 Ksm Castings Group Gmbh Gate valve system, casting plant, and casting process
CN111545740A (en) * 2020-05-18 2020-08-18 芜湖新兴铸管有限责任公司 Automatic control system for air seal of ladle nozzle
CN114719604A (en) * 2020-06-09 2022-07-08 姜春辉 Device and method for adding materials in metal/alloy smelting process
CN114719605A (en) * 2020-06-09 2022-07-08 姜春辉 Intelligent injection device for adding materials in metal/alloy smelting process
KR102542306B1 (en) * 2021-07-21 2023-06-13 주식회사 에이텍에이피 Structure of shaft for medium transferring

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2012691B2 (en) * 1969-03-24 1977-08-04 The Steel Company of Canada Ltd, Hamilton, Ontario (Kanada) APPLICATION OF A PROCESS FOR PASTING FERROUS METALS ON PASTING ALUMINUM KILLED STEELS
DE3506426C1 (en) * 1985-02-23 1985-11-28 Stopinc Ag, Baar Method for pouring molten metal from a container having a shut-off device
EP0166147A1 (en) * 1984-05-11 1986-01-02 Usx Engineers And Consultants, Inc. Teeming apparatus and method
EP0171589B1 (en) * 1984-07-18 1988-05-04 RADEX ITALIANA S.p.A. Collector nozzle in a device for controlling the outflow of cast steel from a ladle or from a tundish

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3253307A (en) * 1964-03-19 1966-05-31 United States Steel Corp Method and apparatus for regulating molten metal teeming rates
US3502134A (en) * 1967-07-19 1970-03-24 United States Steel Corp Continuous casting method with inert gas puffs to prevent skulling
US3581948A (en) * 1969-08-11 1971-06-01 Interstop Ag Sliding gate of a casting ladle for pouring liquid metals
AU2485271A (en) * 1970-06-23 1972-08-03 Japan Special Steel Co., Ltd A method for opening a nozzle hole ina sliding nozzle assembly fora molten metal ladle anda sliding assembly having nozzle hole opening means
US3809146A (en) * 1972-02-18 1974-05-07 Steel Corp Method of opening an intermediate vessel nozzle for continuous casting
GB1379236A (en) * 1972-07-27 1975-01-02 Singer A R E Nozzles for molten metals
GB1494477A (en) * 1973-11-16 1977-12-07 Stopinc Ag Slide gate nozzle
GB1492533A (en) * 1973-11-23 1977-11-23 Flogates Ltd Pouring of metals
DE2731113A1 (en) * 1977-07-09 1979-01-18 Didier Werke Ag POURING MOLD AND METHOD FOR THE PRODUCTION THEREOF
DE2836409C2 (en) * 1978-08-19 1982-07-22 Stopinc AG, Zug Device for introducing treatment substances into the melt contained in a metallurgical vessel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2012691B2 (en) * 1969-03-24 1977-08-04 The Steel Company of Canada Ltd, Hamilton, Ontario (Kanada) APPLICATION OF A PROCESS FOR PASTING FERROUS METALS ON PASTING ALUMINUM KILLED STEELS
EP0166147A1 (en) * 1984-05-11 1986-01-02 Usx Engineers And Consultants, Inc. Teeming apparatus and method
EP0171589B1 (en) * 1984-07-18 1988-05-04 RADEX ITALIANA S.p.A. Collector nozzle in a device for controlling the outflow of cast steel from a ladle or from a tundish
DE3506426C1 (en) * 1985-02-23 1985-11-28 Stopinc Ag, Baar Method for pouring molten metal from a container having a shut-off device

Also Published As

Publication number Publication date
EP0293564B1 (en) 1991-11-06
DE3718890C1 (en) 1988-03-31
ATE69186T1 (en) 1991-11-15
CN1008331B (en) 1990-06-13
JPS63313655A (en) 1988-12-21
BR8802713A (en) 1988-12-27
EP0293564A2 (en) 1988-12-07
KR890000187A (en) 1989-03-13
ZA883087B (en) 1988-12-28
CN1030037A (en) 1989-01-04
ES2028156T3 (en) 1992-07-01
IN169578B (en) 1991-11-16
US5119976A (en) 1992-06-09
JPH0317588B2 (en) 1991-03-08

Similar Documents

Publication Publication Date Title
EP0293564A3 (en) Method for feeding flushing gas into a discharge hole with a slide gate nozzle for metallurgical vessels
JPS5675867A (en) Ink jet recorder
UA66871C2 (en) Safety device for liquid aerating apparatus
GB1517682A (en) Slag handling apparatus and method
IN165468B (en)
JPS5675866A (en) Ink jet recorder
Muller Method for Feeding Flushing Gas Into a Discharge Hole With a Slide Gate Nozzle for Metallurgical Vessels
JPS579821A (en) Method of addition of auxiliary raw material or the like into ladle
JPS646410A (en) Method and apparatus for improving ground
JPS579844A (en) Waste gas cooling apparatus of degassing apparatus
JPS5778930A (en) Gas filler
JPS57177907A (en) Water spraying device for blast furnace
JPS57205311A (en) Manufacturing apparatus for dry ice
JPS57120613A (en) Method for opening and closing tap hole of blast furnace
JPS56146766A (en) Nozzle for ink jet recorder
JPS5797072A (en) Method and apparatus for water drainage from iron pipe in pelton water turbine
JPS6485067A (en) Continuous fermentation device
JPS56123811A (en) Degassing apparatus for die
JPS56121923A (en) Preventive device for discharge of cold water from hot-water supply system
Rybalov et al. High Speed Argon Steel Purging During Ladle Treatment
IT1179507B (en) Treatment of molten metal in ladles
JPS55156070A (en) Ink feeding mechanism in ink jet device
JPS57142767A (en) Preventing method for sticking of slab during hot scarfing of steel material
JPS6431489A (en) Laser gas exchanger for laser oscillator
JPS5464359A (en) Device for discharging powder in storage tank

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19880329

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT CH ES FR GB IT LI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT CH ES FR GB IT LI

17Q First examination report despatched

Effective date: 19900828

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT CH ES FR GB IT LI

REF Corresponds to:

Ref document number: 69186

Country of ref document: AT

Date of ref document: 19911115

Kind code of ref document: T

ITF It: translation for a ep patent filed

Owner name: BARZANO' E ZANARDO ROMA S.P.A.

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19911223

Year of fee payment: 5

ET Fr: translation filed
GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19920303

Year of fee payment: 5

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 19920311

Year of fee payment: 5

Ref country code: AT

Payment date: 19920311

Year of fee payment: 5

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 19920605

Year of fee payment: 5

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2028156

Country of ref document: ES

Kind code of ref document: T3

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19930315

Ref country code: AT

Effective date: 19930315

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19930316

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Effective date: 19930331

Ref country code: CH

Effective date: 19930331

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19930315

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19931130

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 19990503

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20050315