GB2081132A - Method of torch gunite application of linings of metallurgical installations - Google Patents

Method of torch gunite application of linings of metallurgical installations

Info

Publication number
GB2081132A
GB2081132A GB8121625A GB8121625A GB2081132A GB 2081132 A GB2081132 A GB 2081132A GB 8121625 A GB8121625 A GB 8121625A GB 8121625 A GB8121625 A GB 8121625A GB 2081132 A GB2081132 A GB 2081132A
Authority
GB
United Kingdom
Prior art keywords
refractory material
torch
jet
gunite
linings
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.)
Withdrawn
Application number
GB8121625A
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.)
DO NII CHERNOJ METALLURGII
Original Assignee
DO NII CHERNOJ METALLURGII
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 DO NII CHERNOJ METALLURGII filed Critical DO NII CHERNOJ METALLURGII
Publication of GB2081132A publication Critical patent/GB2081132A/en
Withdrawn legal-status Critical Current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
    • C21C5/441—Equipment used for making or repairing linings
    • C21C5/443—Hot fettling; Flame gunning
    • 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
    • B22D41/02—Linings
    • B22D41/023—Apparatus used for making or repairing linings
    • 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
    • F27D1/1642—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

Abstract

A method of torch gunite application of linings of metallurgical installations consists in supplying a refractory material, a fuel and oxygen to a metallurgical installation in the form of separate jets, the refractory material being supplied in the form of a central axially symmetrical jet at a speed of 10 to 70 m/sec., the oxygen is supplied in the form of an annular jet, surrounding the jet of the refractory material, at a speed of 50 to 300 m/sec., and the fuel being supplied in the form of an annular jet surrounding the oxygen jet, at a speed of 5 to 30 m/sec.; in subsequently heating and partially melting the refractory material inside the high-temperature torch and applying the particles of the refractory material to the lining surface.
GB8121625A 1980-02-01 1980-02-01 Method of torch gunite application of linings of metallurgical installations Withdrawn GB2081132A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SU1980/000019 WO1981002167A1 (en) 1980-02-01 1980-02-01 Method of torch gunite application of linings of metallurgical installations

Publications (1)

Publication Number Publication Date
GB2081132A true GB2081132A (en) 1982-02-17

Family

ID=21616586

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8121625A Withdrawn GB2081132A (en) 1980-02-01 1980-02-01 Method of torch gunite application of linings of metallurgical installations

Country Status (4)

Country Link
JP (1) JPS57500027A (en)
DE (1) DE3050220A1 (en)
GB (1) GB2081132A (en)
WO (1) WO1981002167A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2144054A (en) * 1983-07-30 1985-02-27 Glaverbel Apparatus for and method of spraying for forming refractories
ES2088725A2 (en) * 1992-07-31 1996-08-16 Fosbel Int Ltd Surface treatment of refractories

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2144054A (en) * 1983-07-30 1985-02-27 Glaverbel Apparatus for and method of spraying for forming refractories
ES2088725A2 (en) * 1992-07-31 1996-08-16 Fosbel Int Ltd Surface treatment of refractories

Also Published As

Publication number Publication date
WO1981002167A1 (en) 1981-08-06
JPS57500027A (en) 1982-01-07
DE3050220A1 (en) 1982-03-18

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)