JPS58185710A - 底吹転炉におけるガス切換方法 - Google Patents

底吹転炉におけるガス切換方法

Info

Publication number
JPS58185710A
JPS58185710A JP6632882A JP6632882A JPS58185710A JP S58185710 A JPS58185710 A JP S58185710A JP 6632882 A JP6632882 A JP 6632882A JP 6632882 A JP6632882 A JP 6632882A JP S58185710 A JPS58185710 A JP S58185710A
Authority
JP
Japan
Prior art keywords
gas
gases
pipes
switching
flow rate
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.)
Granted
Application number
JP6632882A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6221846B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Atsushi Mori
淳 森
Takeya Fukumoto
福本　武也
Masanori Hikichi
引地　正則
Satoru Hirabayashi
平林　悟
Yasuhiko Sonomura
泰彦 園村
Tokuji Oota
太田　徳二
Yoshio Takeyama
竹山　良雄
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.)
JFE Steel Corp
Fuji Electric Co Ltd
Fuji Facom Corp
Original Assignee
Fuji Electric Co Ltd
Fuji Facom Corp
Kawasaki Steel Corp
Fuji Electric Manufacturing 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 Fuji Electric Co Ltd, Fuji Facom Corp, Kawasaki Steel Corp, Fuji Electric Manufacturing Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP6632882A priority Critical patent/JPS58185710A/ja
Publication of JPS58185710A publication Critical patent/JPS58185710A/ja
Publication of JPS6221846B2 publication Critical patent/JPS6221846B2/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)
JP6632882A 1982-04-22 1982-04-22 底吹転炉におけるガス切換方法 Granted JPS58185710A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6632882A JPS58185710A (ja) 1982-04-22 1982-04-22 底吹転炉におけるガス切換方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6632882A JPS58185710A (ja) 1982-04-22 1982-04-22 底吹転炉におけるガス切換方法

Publications (2)

Publication Number Publication Date
JPS58185710A true JPS58185710A (ja) 1983-10-29
JPS6221846B2 JPS6221846B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-05-14

Family

ID=13312659

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6632882A Granted JPS58185710A (ja) 1982-04-22 1982-04-22 底吹転炉におけるガス切換方法

Country Status (1)

Country Link
JP (1) JPS58185710A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56116815A (en) * 1980-02-15 1981-09-12 Nippon Steel Corp Controlling method of switching of bottom blowing gas in metal refining furnace

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56116815A (en) * 1980-02-15 1981-09-12 Nippon Steel Corp Controlling method of switching of bottom blowing gas in metal refining furnace

Also Published As

Publication number Publication date
JPS6221846B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-05-14

Similar Documents

Publication Publication Date Title
JPH0598364A (ja) 炉の装入物の溶融方法及び装置
CN112481439B (zh) 一种转炉低磷钢的冶炼工艺
US3700429A (en) Method of controlling vacuum decarburization
JPS58185710A (ja) 底吹転炉におけるガス切換方法
EP0134857A1 (en) Method for the fabrication of special steels in metallurgical vessels
GB1448292A (en) Electric arc furnace and a method of treating molten metal in such a furnace
JPS57143421A (en) Switching method for bottom blowing gas
US4420334A (en) Method for controlling the bottom-blowing gas in top-and-bottom blown converter steel making
JPS58185709A (ja) 底吹転炉におけるガス流量切換方法
JPS58126910A (ja) 溶湯の脱燐方法
US4139368A (en) Metallurgical method
CN104774992A (zh) 转炉炼钢氮氧复吹控制装置
JPS6136051B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CN222552150U (zh) 一种钢包底吹气体介质快速转换装置
JPS6036611A (ja) 転炉の底吹ガス切替え装置
JPS6274017A (ja) 二重管羽口の保護方法
JPS58221212A (ja) ２重管羽口を有する転炉の操業法
JPS6046313A (ja) 溶鉄中への粉体吹込装置
JPH04224613A (ja) 溶融金属精錬方法及びそれに用いる上吹きランス
JPS59215413A (ja) 溶融金属用冶金容器
JPS6151608B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS5834124A (ja) キルド鋼の窒素含有量制御方法
JPS59113113A (ja) ガス切替制御方法
CA1106183A (en) Method of treating molten ferrous metal to produce low carbon steel
JPH01177307A (ja) 高炉の操業方法