JPH0256404B2 - - Google Patents

Info

Publication number
JPH0256404B2
JPH0256404B2 JP3031984A JP3031984A JPH0256404B2 JP H0256404 B2 JPH0256404 B2 JP H0256404B2 JP 3031984 A JP3031984 A JP 3031984A JP 3031984 A JP3031984 A JP 3031984A JP H0256404 B2 JPH0256404 B2 JP H0256404B2
Authority
JP
Japan
Prior art keywords
nozzle
oxygen
gas
hot water
tube
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
JP3031984A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60177117A (ja
Inventor
Yoshio Nakajima
Masato Mukai
Naonori Morya
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 Nisshin Co Ltd
Original Assignee
Nisshin Steel Co Ltd
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 Nisshin Steel Co Ltd filed Critical Nisshin Steel Co Ltd
Priority to JP3031984A priority Critical patent/JPS60177117A/ja
Publication of JPS60177117A publication Critical patent/JPS60177117A/ja
Publication of JPH0256404B2 publication Critical patent/JPH0256404B2/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
    • 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)
  • Treatment Of Steel In Its Molten State (AREA)
JP3031984A 1984-02-22 1984-02-22 反応性酸素を溶湯中に直接供給する方法 Granted JPS60177117A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3031984A JPS60177117A (ja) 1984-02-22 1984-02-22 反応性酸素を溶湯中に直接供給する方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3031984A JPS60177117A (ja) 1984-02-22 1984-02-22 反応性酸素を溶湯中に直接供給する方法

Publications (2)

Publication Number Publication Date
JPS60177117A JPS60177117A (ja) 1985-09-11
JPH0256404B2 true JPH0256404B2 (enrdf_load_stackoverflow) 1990-11-30

Family

ID=12300474

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3031984A Granted JPS60177117A (ja) 1984-02-22 1984-02-22 反応性酸素を溶湯中に直接供給する方法

Country Status (1)

Country Link
JP (1) JPS60177117A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2558964Y2 (ja) * 1995-02-08 1998-01-14 株式会社板屋製作所 樹脂成形用金型

Also Published As

Publication number Publication date
JPS60177117A (ja) 1985-09-11

Similar Documents

Publication Publication Date Title
JP5644355B2 (ja) 溶銑の精錬方法
KR102342201B1 (ko) 순산소 전로용 통풍구
KR101018535B1 (ko) 철합금의 정련 방법
US3241825A (en) Blowing device
JPS58144409A (ja) 固体冷却材料を容れた金属浴の精錬方法およびその装置
JPS6023163B2 (ja) 鋼の製錬法
US4302244A (en) Steel conversion method
JPS6146523B2 (enrdf_load_stackoverflow)
KR100490737B1 (ko) 전로의 내화물벽에 대한 스플래쉬 슬래그 코팅용 혼합분체 및 그 슬래그 코팅방법
JPH0256404B2 (enrdf_load_stackoverflow)
JPS5935407B2 (ja) 転炉内の鉄融成物への炭素供給法
CA1157660A (en) Method for producing steel having a low hydrogen content in an oxygen blow-through converter
JPS5931810A (ja) 転炉製鋼法
US4007035A (en) Method of using an expendable tap hole tuyere in open hearth decarburization
JPH0435524B2 (enrdf_load_stackoverflow)
US4394165A (en) Method of preliminary desiliconization of molten iron by injecting gaseous oxygen
EP0015396B1 (en) A method for increasing vessel lining life for basic oxygen furnaces
EP0049148B1 (en) A method of preventing damage to an immersed tuyere of a decarburization furnace in steel making
KR100225249B1 (ko) 슬로핑 발생 억제를 위한 잔류 슬래그량 조절방법
JPS6372811A (ja) スロツピング防止方法
JPS6056009A (ja) 製鋼法
KR20020005741A (ko) 용융 금속을 탈탄 및 탈린하는 방법
JPS61149417A (ja) スラグ・フオ−ミングの沈静方法
KR860001523B1 (ko) 제강공정에서 탈탄 정련로의 송풍구의 손상 방지법
JPH0873915A (ja) 溶銑の脱燐脱硫精錬方法