GB1293834A - Improved injection lance - Google Patents

Improved injection lance

Info

Publication number
GB1293834A
GB1293834A GB5697870A GB5697870A GB1293834A GB 1293834 A GB1293834 A GB 1293834A GB 5697870 A GB5697870 A GB 5697870A GB 5697870 A GB5697870 A GB 5697870A GB 1293834 A GB1293834 A GB 1293834A
Authority
GB
United Kingdom
Prior art keywords
conduit
jacket
dec
shaft
injection lance
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
GB5697870A
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.)
Mannesmann Demag AG
Original Assignee
Demag AG
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 Demag AG filed Critical Demag AG
Publication of GB1293834A publication Critical patent/GB1293834A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

1293834 Lances DEMAG AG 1 Dec 1970 [4 Dec 1969] 56978/70 Heading F4B A lance for delivery of oxygen and/or lime comprises a shaft having a material delivery conduit 30 and an outer jacket 1 and a copper head 4 having a skirt portion 14 which is welded, hard soldered or brazed to the jacket 1 and a shaft portion 13 which is longer and of greater thickness than the skirt portion 14 and is a sliding fit in or on the conduit 30 to compensate for thermal expansion of jacket 1 three nozzles 32 extending through the head 4. The end of the conduit 30 is formed by a replaceable duct portion 10. The shaft portion 13 is grooved to receive sealing rings 12.
GB5697870A 1969-12-04 1970-12-01 Improved injection lance Expired GB1293834A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691960782 DE1960782A1 (en) 1969-12-04 1969-12-04 Blowing lance for the supply of gaseous and / or powdery reaction substances in metallurgical processes

Publications (1)

Publication Number Publication Date
GB1293834A true GB1293834A (en) 1972-10-25

Family

ID=5752912

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5697870A Expired GB1293834A (en) 1969-12-04 1970-12-01 Improved injection lance

Country Status (6)

Country Link
BE (1) BE759146A (en)
DE (1) DE1960782A1 (en)
FR (1) FR2069518A5 (en)
GB (1) GB1293834A (en)
LU (1) LU62074A1 (en)
NL (1) NL7016378A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3231867A1 (en) * 1982-08-27 1984-03-01 Saar-Metallwerke GmbH, 6600 Saarbrücken DUAL CIRCUIT FOR FRESH METAL MELTING
AUPQ532800A0 (en) * 2000-01-28 2000-02-17 Technological Resources Pty Limited Apparatus for injecting solid particulate material into a vessel

Also Published As

Publication number Publication date
LU62074A1 (en) 1971-05-11
NL7016378A (en) 1971-06-08
FR2069518A5 (en) 1971-09-03
DE1960782A1 (en) 1972-02-10
BE759146A (en) 1971-04-30

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees