FR2387291A1 - Tuyere for bottom blown refining converters - comprises inner tube with longitudinal ribs centred in outer tube - Google Patents

Tuyere for bottom blown refining converters - comprises inner tube with longitudinal ribs centred in outer tube

Info

Publication number
FR2387291A1
FR2387291A1 FR7711372A FR7711372A FR2387291A1 FR 2387291 A1 FR2387291 A1 FR 2387291A1 FR 7711372 A FR7711372 A FR 7711372A FR 7711372 A FR7711372 A FR 7711372A FR 2387291 A1 FR2387291 A1 FR 2387291A1
Authority
FR
France
Prior art keywords
inner tube
tube
tuyere
centred
longitudinal ribs
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Withdrawn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
FR7711372A
Other languages
French (fr)
Inventor
Hugues Zanetta
Jean-Claude Grosjean
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.)
Institut de Recherches de la Siderurgie Francaise IRSID
Original Assignee
Institut de Recherches de la Siderurgie Francaise IRSID
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 Institut de Recherches de la Siderurgie Francaise IRSID filed Critical Institut de Recherches de la Siderurgie Francaise IRSID
Priority to FR7711372A priority Critical patent/FR2387291A1/en
Publication of FR2387291A1 publication Critical patent/FR2387291A1/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Withdrawn legal-status Critical Current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
    • C21C5/46—Details or accessories
    • C21C5/48—Bottoms or tuyéres of converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)

Abstract

The tuyers consists of 2 concentric tubes, where one tube slides in the other, and an annular gap is formed between the tubes. The centering of the inner tube in the outer tube is achieved via equispaced longitudinal ribs. The ribs are pref. formed on the outer dia. of the inner tube, and have a height of 0.1-0.3mm according to the size of the converter. The ribs. pref. have a rounded cross-section and are sepd. by 6.5mmf and the ribs are formed esp. by drawing the inner tube.
FR7711372A 1977-04-14 1977-04-14 Tuyere for bottom blown refining converters - comprises inner tube with longitudinal ribs centred in outer tube Withdrawn FR2387291A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7711372A FR2387291A1 (en) 1977-04-14 1977-04-14 Tuyere for bottom blown refining converters - comprises inner tube with longitudinal ribs centred in outer tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7711372A FR2387291A1 (en) 1977-04-14 1977-04-14 Tuyere for bottom blown refining converters - comprises inner tube with longitudinal ribs centred in outer tube

Publications (1)

Publication Number Publication Date
FR2387291A1 true FR2387291A1 (en) 1978-11-10

Family

ID=9189445

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7711372A Withdrawn FR2387291A1 (en) 1977-04-14 1977-04-14 Tuyere for bottom blown refining converters - comprises inner tube with longitudinal ribs centred in outer tube

Country Status (1)

Country Link
FR (1) FR2387291A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4795138A (en) * 1987-11-18 1989-01-03 L-Tec Company Metallurgical tuyere and method of calibrating same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4795138A (en) * 1987-11-18 1989-01-03 L-Tec Company Metallurgical tuyere and method of calibrating same

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Legal Events

Date Code Title Description
ST Notification of lapse