JPH0225406B2 - - Google Patents

Info

Publication number
JPH0225406B2
JPH0225406B2 JP28776285A JP28776285A JPH0225406B2 JP H0225406 B2 JPH0225406 B2 JP H0225406B2 JP 28776285 A JP28776285 A JP 28776285A JP 28776285 A JP28776285 A JP 28776285A JP H0225406 B2 JPH0225406 B2 JP H0225406B2
Authority
JP
Japan
Prior art keywords
branch pipe
gas
tube
lance
tip
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
JP28776285A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62149807A (ja
Inventor
Hisashi Sato
Eizo Yonenaka
Kenichi Maruyama
Kazuyuki Shoji
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP28776285A priority Critical patent/JPS62149807A/ja
Publication of JPS62149807A publication Critical patent/JPS62149807A/ja
Publication of JPH0225406B2 publication Critical patent/JPH0225406B2/ja
Granted 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/072—Treatment with gases
    • 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

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)
JP28776285A 1985-12-23 1985-12-23 ガス及び粉体吹込みランス Granted JPS62149807A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP28776285A JPS62149807A (ja) 1985-12-23 1985-12-23 ガス及び粉体吹込みランス

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP28776285A JPS62149807A (ja) 1985-12-23 1985-12-23 ガス及び粉体吹込みランス

Publications (2)

Publication Number Publication Date
JPS62149807A JPS62149807A (ja) 1987-07-03
JPH0225406B2 true JPH0225406B2 (sr) 1990-06-04

Family

ID=17721426

Family Applications (1)

Application Number Title Priority Date Filing Date
JP28776285A Granted JPS62149807A (ja) 1985-12-23 1985-12-23 ガス及び粉体吹込みランス

Country Status (1)

Country Link
JP (1) JPS62149807A (sr)

Also Published As

Publication number Publication date
JPS62149807A (ja) 1987-07-03

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