GB1154177A - Lance for Directing Gases into Metal Melts - Google Patents

Lance for Directing Gases into Metal Melts

Info

Publication number
GB1154177A
GB1154177A GB53906/66A GB5390666A GB1154177A GB 1154177 A GB1154177 A GB 1154177A GB 53906/66 A GB53906/66 A GB 53906/66A GB 5390666 A GB5390666 A GB 5390666A GB 1154177 A GB1154177 A GB 1154177A
Authority
GB
United Kingdom
Prior art keywords
tube
lance
channels
gas
flow guide
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.)
Expired
Application number
GB53906/66A
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.)
FOERDERUNG DER EISENHUETTENTEC
Original Assignee
FOERDERUNG DER EISENHUETTENTEC
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 FOERDERUNG DER EISENHUETTENTEC filed Critical FOERDERUNG DER EISENHUETTENTEC
Publication of GB1154177A publication Critical patent/GB1154177A/en
Expired 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
    • C21C5/4606—Lances or injectors
    • C21C5/462—Means for handling, e.g. adjusting, changing, coupling

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)
  • Manufacture And Refinement Of Metals (AREA)
  • Treatment Of Steel In Its Molten State (AREA)

Abstract

1,154,177. Gas blowing lances. GES. ZUR FORDERUNG DER EISENHUTTENTECHNIK m.b.H. 1 Dec., 1966 [30 Dec., 1965], No. 53906/66. Heading F4B. A lance for blowing gases into metal melts in a furnace comprises an outer tube 1 within which is disposed a tube 8 ending in a flow guide member 20 having helical channels 22, the outlet 19 of the lance having a lip 23, the lip and flow guide acting to form a bellshaped gas jet. The tube 8 is slidable within the outer tube 1 to vary the width of the gas jet, and may be axially reciprocated. The flow guide 20 is formed also with an axial bore 21 which may be connected to a gas feed pipe separate from that supplying the helical channels 22, the flow of gas within which may be separately controlled. The tip of the lance between 28 and 29 is coated with nickel-chromium alloy and alternate layers of molybdenum and zirconium oxide. The lance is cooled by a fluid in concentric channels 17, 18 formed in the tube 1, the channels narrowing at the tip to increase the velocity and hence the effectiveness of the cooling fluid. The surface of the inner wall 15 of the cooling channels is coated with chromium. The outer tube 1 is supported by a frame (3, Fig. 1) and the inner tube (8) is connected to a hose (5) supported by pivotally mounted arms (4). The tube 8 may be lifted by hydraulic pistons.
GB53906/66A 1965-12-30 1966-12-01 Lance for Directing Gases into Metal Melts Expired GB1154177A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG0045602 1965-12-30

Publications (1)

Publication Number Publication Date
GB1154177A true GB1154177A (en) 1969-06-04

Family

ID=7127780

Family Applications (1)

Application Number Title Priority Date Filing Date
GB53906/66A Expired GB1154177A (en) 1965-12-30 1966-12-01 Lance for Directing Gases into Metal Melts

Country Status (7)

Country Link
US (1) US3521871A (en)
BE (1) BE691726A (en)
DE (1) DE1458865B1 (en)
FR (1) FR1506018A (en)
GB (1) GB1154177A (en)
LU (1) LU52672A1 (en)
NL (1) NL6617872A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3779534A (en) * 1969-07-08 1973-12-18 Creusot Loire Device for cooling a tuyere of a refining converter
AUPQ535500A0 (en) * 2000-01-31 2000-02-17 Technological Resources Pty Limited Apparatus for injecting gas into a vessel
WO2012091576A1 (en) * 2010-12-27 2012-07-05 EUROPEAN SILICON spόłka z o.o. Electric arc-resistance furnace

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT81700B (en) * 1913-06-09 1920-11-10 Harold Edgar Yarrow Har Yarrow Liquid fuel burners. Liquid fuel burners.
US1146394A (en) * 1913-06-11 1915-07-13 William N Best Mechanical atomizer.
FR808111A (en) * 1936-07-15 1937-01-29 Phillips & Pain Ets Spray jet
AT174388B (en) * 1951-12-07 1953-03-25 Voest Ag Method and device for the treatment of molten metal covered with slag by blowing gases
US2829960A (en) * 1954-01-18 1958-04-08 Henry J Kaiser Company Method and metallurgical device for the refining of steel
US3045997A (en) * 1959-03-02 1962-07-24 Armco Steel Corp Porous oxygen lance
AT236424B (en) * 1961-07-21 1964-10-26 Voest Ag Blowing device for inflation processes
US3292662A (en) * 1963-02-04 1966-12-20 Nishi Sunao Lance pipe for the injected oxygen in steel making
FR84791E (en) * 1963-11-25 1965-04-16 Siderurgie Fse Inst Rech Adjustable insufflation lance for fine particles in suspension
US3379428A (en) * 1965-10-22 1968-04-23 Koppers Co Inc Lance apparatus for treating molten metals

Also Published As

Publication number Publication date
DE1458865B1 (en) 1970-06-04
US3521871A (en) 1970-07-28
LU52672A1 (en) 1967-02-22
NL6617872A (en) 1967-07-03
FR1506018A (en) 1967-12-15
BE691726A (en) 1967-05-29

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