EP0357795A4 - Radiation construction method for molten metal outflow port, its apparatus and recess radiating impeller used for said apparatus. - Google Patents

Radiation construction method for molten metal outflow port, its apparatus and recess radiating impeller used for said apparatus.

Info

Publication number
EP0357795A4
EP0357795A4 EP19890903237 EP89903237A EP0357795A4 EP 0357795 A4 EP0357795 A4 EP 0357795A4 EP 19890903237 EP19890903237 EP 19890903237 EP 89903237 A EP89903237 A EP 89903237A EP 0357795 A4 EP0357795 A4 EP 0357795A4
Authority
EP
European Patent Office
Prior art keywords
recess
molten metal
construction method
outflow port
impeller used
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
EP19890903237
Other languages
German (de)
French (fr)
Other versions
EP0357795A1 (en
EP0357795B1 (en
Inventor
Masayuki Kurosaki Refra Fujita
Sueki Kurosaki Refractori Kubo
Hiroyuki Kurosaki Refracto Ito
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.)
Kurosaki Refractories Co Ltd
Original Assignee
Kurosaki Refractories Co 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 Kurosaki Refractories Co Ltd filed Critical Kurosaki Refractories Co Ltd
Publication of EP0357795A1 publication Critical patent/EP0357795A1/en
Publication of EP0357795A4 publication Critical patent/EP0357795A4/en
Application granted granted Critical
Publication of EP0357795B1 publication Critical patent/EP0357795B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C21C5/44—Refractory linings
    • C21C5/445—Lining or repairing the taphole
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/12—Opening or sealing the tap holes
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/16—Making or repairing linings increasing the durability of linings or breaking away linings
    • F27D1/1636—Repairing linings by projecting or spraying refractory materials on the lining
    • F27D1/1673—Repairing linings by projecting or spraying refractory materials on the lining applied centrifugally
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/16—Making or repairing linings increasing the durability of linings or breaking away linings
    • F27D1/1694—Breaking away the lining or removing parts thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/15—Tapping equipment; Equipment for removing or retaining slag
    • F27D3/1509—Tapping equipment
    • F27D3/1527—Taphole forming equipment, e.g. boring machines, piercing tools

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Furnace Charging Or Discharging (AREA)
EP89903237A 1988-03-17 1989-03-08 Radiation construction method for molten metal outflow port, its apparatus and recess radiating impeller used for said apparatus Expired - Lifetime EP0357795B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP63065235A JP2683807B2 (en) 1988-03-17 1988-03-17 Molten metal outlet projecting method and apparatus
JP65235/88 1988-03-17
PCT/JP1989/000247 WO1989008811A1 (en) 1988-03-17 1989-03-08 Radiation construction method for molten metal outflow port, its apparatus and recess radiating impeller used for said apparatus

Publications (3)

Publication Number Publication Date
EP0357795A1 EP0357795A1 (en) 1990-03-14
EP0357795A4 true EP0357795A4 (en) 1990-06-26
EP0357795B1 EP0357795B1 (en) 1994-06-22

Family

ID=13281048

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89903237A Expired - Lifetime EP0357795B1 (en) 1988-03-17 1989-03-08 Radiation construction method for molten metal outflow port, its apparatus and recess radiating impeller used for said apparatus

Country Status (4)

Country Link
EP (1) EP0357795B1 (en)
JP (1) JP2683807B2 (en)
DE (1) DE68916344T2 (en)
WO (1) WO1989008811A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2691164B1 (en) * 1992-05-18 1994-10-21 Lorraine Laminage Tool for drilling the tap hole of a metallurgical vessel such as a converter.
EP0649911A1 (en) * 1993-10-20 1995-04-26 Lafarge Refractaires Monolithiques S.A. Reflection device in the mouth of a lance for applying bonded minerals and process for using said lance
KR100805069B1 (en) * 2001-08-13 2008-02-20 주식회사 포스코 Automatic nozzle spraying apparatus for protecting steel tap hole
CH710773B1 (en) * 2015-02-20 2019-04-30 Refractory Intellectual Property Gmbh & Co Kg Method and device for repairing a refractory sleeve of a metallurgical vessel.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1237969B (en) * 1961-09-15 1967-04-06 Neubecker Fa C A Nozzle for cleaning barrels or vessels
US3782636A (en) * 1972-10-02 1974-01-01 Spin Co Pipelining apparatus
GB2046887A (en) * 1979-03-06 1980-11-19 Quigley Co Apparatus for repairing degassing device for molten metal
AT361526B (en) * 1978-05-10 1981-03-10 Veitscher Magnesitwerke Ag DEVICE FOR CONSTRUCTING AND REPAIRING THE FIREPROOF LINING OF INDUSTRIAL OVENS BY SPARKING GRAINED FIREPROOF MATERIAL

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5039403B2 (en) * 1972-02-10 1975-12-17
JPS5226483Y2 (en) * 1973-09-11 1977-06-16
JPS52102804A (en) * 1976-02-25 1977-08-29 Gijiyutsu Shigen Kaihatsu Kk Process and apparatus for lining inside of metallurgical vessel
JPS556997U (en) * 1978-06-29 1980-01-17
JPS583040Y2 (en) * 1978-11-08 1983-01-19 技術資源開発株式会社 Furnace material projection device
JPS57207102A (en) * 1981-06-16 1982-12-18 Nippon Atomaizu Kako Kk Producing device for metallic powder
JPS61221312A (en) * 1985-03-27 1986-10-01 Kawasaki Steel Corp Method and apparatus for producing metallic powder by impact atomization

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1237969B (en) * 1961-09-15 1967-04-06 Neubecker Fa C A Nozzle for cleaning barrels or vessels
US3782636A (en) * 1972-10-02 1974-01-01 Spin Co Pipelining apparatus
AT361526B (en) * 1978-05-10 1981-03-10 Veitscher Magnesitwerke Ag DEVICE FOR CONSTRUCTING AND REPAIRING THE FIREPROOF LINING OF INDUSTRIAL OVENS BY SPARKING GRAINED FIREPROOF MATERIAL
GB2046887A (en) * 1979-03-06 1980-11-19 Quigley Co Apparatus for repairing degassing device for molten metal

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO8908811A1 *

Also Published As

Publication number Publication date
JPH01240612A (en) 1989-09-26
DE68916344T2 (en) 1995-02-23
JP2683807B2 (en) 1997-12-03
EP0357795A1 (en) 1990-03-14
WO1989008811A1 (en) 1989-09-21
DE68916344D1 (en) 1994-07-28
EP0357795B1 (en) 1994-06-22

Similar Documents

Publication Publication Date Title
NO166525C (en) METAL PLATE CONTAINER AND PROCEDURE FOR PREPARING THE SAME.
EP0632244A3 (en) Melt pumping apparatus and casting apparatus.
DE3886379D1 (en) Cooling system and method for handling molten metal-containing vessels.
AR242718A1 (en) Pumping apparatus for bio-medicinal use.
CS11891A2 (en) Integrated safety system, method and means for this system utilization
NO171364C (en) N-ARYL-3-ARYL-4,5-DIHYDRO-1H-PYRAZOL-1-CARBOXAMIDES AND PROCEDURES FOR PREPARING THEREOF, AND THE INSECTANT CONTAINING THE CARBOXAMIDE
EP0437855A3 (en) Integral matrix body, method and infiltration alloy for making same
AU7633687A (en) Means and technique for casting metals
EP0083209A3 (en) A method for enciphering and deciphering instructions in a microcomputer, and a microcomputer used for effecting same
DK15089D0 (en) AMINO-FUNCTIONAL COMPOUNDS, PROCEDURES FOR PREPARING THEM AND DETAILS COMPREHENSIVE TOGETHER.
GB2198826B (en) Panel adapted for coolant through flow, and an article incorporating such panels
EP0198092A4 (en) Surface-treated magnesium or its alloy, and process for the surface treatment.
EP0624714A3 (en) Tunnel liner, its fabrication method, and its fabrication apparatus.
ZA931287B (en) Method and apparatus for slag-free casting.
NO872213D0 (en) PROCEDURE FOR CASTING METAL AND CASTING FOR USE IN PROCEDURE.
IE822161L (en) Method for simultaneous peening and smoothing.
EP0357795A4 (en) Radiation construction method for molten metal outflow port, its apparatus and recess radiating impeller used for said apparatus.
NO166286C (en) PROCEDURE FOR PREPARING AN INVERSE MICROLATEX AND USING SUCH MICROLATEX.
EP0062099A3 (en) Thyristor, and process for its operation
IL62389A0 (en) Amidoxime derivatives,processes for the preparation thereof and uses therefor
NO864372D0 (en) PROCEDURE FOR COOLING DROSS, AND THE PROCEDURE FOR CARRYING OUT THE PROCEDURE.
GB9009940D0 (en) Control system,e.g.for use in an automatic cooling system
EP0603965A3 (en) Modified block copolymers and process for the preparation thereof.
EP0589051A4 (en) Composition for high pressure casting slip, high pressure casting slip and method for preparing the composition and slip.
EP0062100A3 (en) Thyristor with internal-current amplification, and process for its operation

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: 19890927

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE FR GB IT

A4 Supplementary search report drawn up and despatched

Effective date: 19900626

DET De: translation of patent claims
17Q First examination report despatched

Effective date: 19920609

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT

REF Corresponds to:

Ref document number: 68916344

Country of ref document: DE

Date of ref document: 19940728

ITF It: translation for a ep patent filed

Owner name: PROPRIA PROT. PROPRIETA' IND.

ET Fr: translation filed
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
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19960226

Year of fee payment: 8

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

Ref country code: FR

Payment date: 19960318

Year of fee payment: 8

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

Ref country code: DE

Payment date: 19960530

Year of fee payment: 8

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

Ref country code: GB

Effective date: 19970308

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

Effective date: 19970308

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

Ref country code: FR

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

Effective date: 19971128

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

Ref country code: DE

Effective date: 19971202

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

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: 20050308