DE2708410C2 - Tauchlanze - Google Patents

Tauchlanze

Info

Publication number
DE2708410C2
DE2708410C2 DE2708410A DE2708410A DE2708410C2 DE 2708410 C2 DE2708410 C2 DE 2708410C2 DE 2708410 A DE2708410 A DE 2708410A DE 2708410 A DE2708410 A DE 2708410A DE 2708410 C2 DE2708410 C2 DE 2708410C2
Authority
DE
Germany
Prior art keywords
pipe
tube
lance
welded
outside
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
DE2708410A
Other languages
German (de)
English (en)
Other versions
DE2708410B1 (de
Inventor
Juergen Dipl.-Ing. 4630 Bochum Berve
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.)
Krupp Hoesch Stahl AG
Original Assignee
Fried Krupp Huettenwerke 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 Fried Krupp Huettenwerke AG filed Critical Fried Krupp Huettenwerke AG
Priority to DE2708410A priority Critical patent/DE2708410C2/de
Priority to GB4529/78A priority patent/GB1579522A/en
Priority to BE184994A priority patent/BE863756A/fr
Priority to SE7801992A priority patent/SE426505B/sv
Priority to NLAANVRAGE7801948,A priority patent/NL177611C/xx
Priority to LU79110A priority patent/LU79110A1/de
Priority to FR7805235A priority patent/FR2381830A1/fr
Priority to IT20597/78A priority patent/IT1092840B/it
Publication of DE2708410B1 publication Critical patent/DE2708410B1/de
Application granted granted Critical
Publication of DE2708410C2 publication Critical patent/DE2708410C2/de
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
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/02—Dephosphorising or desulfurising
    • 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
    • C21C5/4613—Refractory coated lances; Immersion lances
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Furnace Charging Or Discharging (AREA)
DE2708410A 1977-02-26 1977-02-26 Tauchlanze Expired DE2708410C2 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DE2708410A DE2708410C2 (de) 1977-02-26 1977-02-26 Tauchlanze
GB4529/78A GB1579522A (en) 1977-02-26 1978-02-03 Plunger lance
BE184994A BE863756A (fr) 1977-02-26 1978-02-08 Lance pour introduire des matieres pulverulentes dans un bain de metal fondu
NLAANVRAGE7801948,A NL177611C (nl) 1977-02-26 1978-02-21 Dompellans voor het door middel van een gas in een metaalbad brengen van poedervormige vaste stoffen.
SE7801992A SE426505B (sv) 1977-02-26 1978-02-21 Dopplans for inforande av fasta emnen i pulver eller dammform
LU79110A LU79110A1 (de) 1977-02-26 1978-02-23 Tauchlanze
FR7805235A FR2381830A1 (fr) 1977-02-26 1978-02-23 Lance pour introduire des matieres pulverulentes dans un bain de metal fondu
IT20597/78A IT1092840B (it) 1977-02-26 1978-02-24 Lancia metallurgica ad immersione

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2708410A DE2708410C2 (de) 1977-02-26 1977-02-26 Tauchlanze

Publications (2)

Publication Number Publication Date
DE2708410B1 DE2708410B1 (de) 1978-08-24
DE2708410C2 true DE2708410C2 (de) 1979-04-19

Family

ID=6002241

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2708410A Expired DE2708410C2 (de) 1977-02-26 1977-02-26 Tauchlanze

Country Status (8)

Country Link
BE (1) BE863756A (fr)
DE (1) DE2708410C2 (fr)
FR (1) FR2381830A1 (fr)
GB (1) GB1579522A (fr)
IT (1) IT1092840B (fr)
LU (1) LU79110A1 (fr)
NL (1) NL177611C (fr)
SE (1) SE426505B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR8008777A (pt) * 1979-03-16 1981-05-26 Hoeganaes Ab Revestimento refratario para um cano de metal
DE2912195C2 (de) * 1979-03-28 1986-04-30 Mannesmann AG, 4000 Düsseldorf Entschwefelungslanze
DE3322556A1 (de) * 1983-06-23 1985-01-10 Didier-Werke Ag, 6200 Wiesbaden Lanze zum einblasen fluidisierter stoffe in eine metallschmelze
AUPQ783100A0 (en) * 2000-05-30 2000-06-22 Technological Resources Pty Limited Apparatus for injecting solid particulate material into a vessel

Also Published As

Publication number Publication date
SE426505B (sv) 1983-01-24
DE2708410B1 (de) 1978-08-24
BE863756A (fr) 1978-05-29
NL177611B (nl) 1985-05-17
GB1579522A (en) 1980-11-19
NL7801948A (nl) 1978-08-29
FR2381830B3 (fr) 1980-11-28
FR2381830A1 (fr) 1978-09-22
IT7820597A0 (it) 1978-02-24
NL177611C (nl) 1985-10-16
IT1092840B (it) 1985-07-12
SE7801992L (sv) 1978-08-27
LU79110A1 (de) 1978-06-27

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: KRUPP STAHL AG, 4630 BOCHUM, DE

8327 Change in the person/name/address of the patent owner

Owner name: KRUPP HOESCH STAHL AG, 44145 DORTMUND, DE

8339 Ceased/non-payment of the annual fee