BR8607173A - METALLURGICAL UNIT BLASTING PROCESS HAVING WALLS AND A BACKGROUND NUT COATED WITH REFRACTORY MATERIAL AND MULTIPLE MULTIPLE PIPING FOR METALLURGICAL UNIT BLASTING - Google Patents

METALLURGICAL UNIT BLASTING PROCESS HAVING WALLS AND A BACKGROUND NUT COATED WITH REFRACTORY MATERIAL AND MULTIPLE MULTIPLE PIPING FOR METALLURGICAL UNIT BLASTING

Info

Publication number
BR8607173A
BR8607173A BR8607173A BR8607173A BR8607173A BR 8607173 A BR8607173 A BR 8607173A BR 8607173 A BR8607173 A BR 8607173A BR 8607173 A BR8607173 A BR 8607173A BR 8607173 A BR8607173 A BR 8607173A
Authority
BR
Brazil
Prior art keywords
oxygen
refractory material
nozzles
metallurgical unit
fuel
Prior art date
Application number
BR8607173A
Other languages
Portuguese (pt)
Inventor
Oleg Nikolaevich Chemeris
Izrail Abramovich Juzefovsk
Alexandr Alexandr Al Shershnev
Igor Pavlovich Tsibin
Alexandr Andreevich Kugushin
Mikhail Vasilievich Malakhov
Jury Viktorovich Lipukhin
Jury Ivanovich Zhavoronkov
Valery Nikolaevich Dudnikov
Alexandr Grigorievich Zeltser
Original Assignee
Vgini I P Rabot Ogneupornoj
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 Vgini I P Rabot Ogneupornoj filed Critical Vgini I P Rabot Ogneupornoj
Publication of BR8607173A publication Critical patent/BR8607173A/en

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
    • C21C5/441—Equipment used for making or repairing linings
    • C21C5/443—Hot fettling; Flame gunning
    • 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
    • F27D1/1642—Repairing linings by projecting or spraying refractory materials on the lining using a gunning apparatus
    • F27D1/1647—Repairing linings by projecting or spraying refractory materials on the lining using a gunning apparatus the projected materials being partly melted, e.g. by exothermic reactions of metals (Al, Si) with oxygen
    • F27D1/1652—Flame guniting; Use of a fuel
    • 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
    • F27D1/1636—Repairing linings by projecting or spraying refractory materials on the lining
    • F27D1/1642—Repairing linings by projecting or spraying refractory materials on the lining using a gunning apparatus
    • F27D1/1647—Repairing linings by projecting or spraying refractory materials on the lining using a gunning apparatus the projected materials being partly melted, e.g. by exothermic reactions of metals (Al, Si) with oxygen
    • F27D1/1652—Flame guniting; Use of a fuel
    • F27D2001/1657—Solid fuel

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)

Abstract

The method is intended for guniting of a metallurgical plant the walls (13) and the bottom (14) of which are lined with a refractory material. The method consists in directing one portion of oxygen, in the form of a jet, to the zone of the bottom (14) to obtain carbon monoxide, and another portion of oxygen, together with a refractory powder, to the lining to be restored, a powder-like fuel being continuously fed together with the jet of oxygen which is directed to the zone of the bottom (14). The method is implemented with the help of a multi-nozzle tuyere (1) comprising a cooled casing (2) with pipelines for supplying the refractory material, the fuel and the oxygen, said pipelines being mounted coaxially inside it, and also comprising nozzles (7, 9, 6 and 8) respectively for feeding the refractory material, the fuel and the oxygen, some (6 and 7) of the nozzles being mounted on the side wall of the tuyere (1) and serving to feed, respectively, the oxygen and the refractory material to the lining area to be restored, and the other (8 and 9) nozzles being mounted on the butt-end side of the tuyere (1) and serving to feed the oxygen and the fuel to the zone of the bottom (14) of the metallurgical plant. The total surface area of the cross-sections of the nozzles (6) for feeding the oxygen to the lining area to be restored essentially is equal to the total surface area of the cross-sections of the nozzles (8) for feeding the oxygen to the zone of the bottom (14) of the metallurgical plant.
BR8607173A 1986-06-20 1986-06-20 METALLURGICAL UNIT BLASTING PROCESS HAVING WALLS AND A BACKGROUND NUT COATED WITH REFRACTORY MATERIAL AND MULTIPLE MULTIPLE PIPING FOR METALLURGICAL UNIT BLASTING BR8607173A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SU1986/000061 WO1987007913A1 (en) 1986-06-20 1986-06-20 Method and multi-nozzle tuyere for guniting of metallurgical plant

Publications (1)

Publication Number Publication Date
BR8607173A true BR8607173A (en) 1988-09-13

Family

ID=21617010

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8607173A BR8607173A (en) 1986-06-20 1986-06-20 METALLURGICAL UNIT BLASTING PROCESS HAVING WALLS AND A BACKGROUND NUT COATED WITH REFRACTORY MATERIAL AND MULTIPLE MULTIPLE PIPING FOR METALLURGICAL UNIT BLASTING

Country Status (8)

Country Link
EP (1) EP0275311B1 (en)
JP (1) JPS63503558A (en)
AT (1) ATE49235T1 (en)
BR (1) BR8607173A (en)
DE (1) DE3668005D1 (en)
HU (1) HUT47647A (en)
IN (1) IN165418B (en)
WO (1) WO1987007913A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19621689A1 (en) * 1996-05-30 1997-12-04 Ego Elektro Geraetebau Gmbh Electrical resistance temperature sensor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3883078A (en) * 1972-01-28 1975-05-13 Oleg Nikolaevich Chemeris Method and a device for gunniting converter linings
SU653904A1 (en) * 1976-01-04 1982-03-15 Донецкий научно-исследовательский институт черной металлургии Method for gunniting converter
SU939565A1 (en) * 1978-12-12 1982-06-30 Предприятие П/Я Г-4332 Method for spray gunniting lining of metal production units
DE2938250C2 (en) * 1979-09-21 1983-01-13 Doneckij naučno-issledovatel'skij institut černoj metallurgii, Doneck Method for flame spray lining the converter lining with the converter in a vertical position and device for its implementation

Also Published As

Publication number Publication date
JPS63503558A (en) 1988-12-22
WO1987007913A1 (en) 1987-12-30
EP0275311A1 (en) 1988-07-27
ATE49235T1 (en) 1990-01-15
IN165418B (en) 1989-10-14
DE3668005D1 (en) 1990-02-08
EP0275311A4 (en) 1988-10-24
HUT47647A (en) 1989-03-28
EP0275311B1 (en) 1990-01-03

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