TWI319014B - Injection lance and injection lance equipment for refining process, hot metal desiliconization process, and hot metal pretreatment process - Google Patents
Injection lance and injection lance equipment for refining process, hot metal desiliconization process, and hot metal pretreatment processInfo
- Publication number
- TWI319014B TWI319014B TW096106719A TW96106719A TWI319014B TW I319014 B TWI319014 B TW I319014B TW 096106719 A TW096106719 A TW 096106719A TW 96106719 A TW96106719 A TW 96106719A TW I319014 B TWI319014 B TW I319014B
- Authority
- TW
- Taiwan
- Prior art keywords
- hot metal
- injection lance
- equipment
- refining
- desiliconization
- Prior art date
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
- 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
- C21C7/04—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
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/04—Removing impurities other than carbon, phosphorus or sulfur
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/0003—Linings or walls
- F27D1/0006—Linings or walls formed from bricks or layers with a particular composition or specific characteristics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/10—Monolithic linings; Supports therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/16—Introducing a fluid jet or current into the charge
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006049686 | 2006-02-27 | ||
JP2006053017A JP4923623B2 (en) | 2006-02-28 | 2006-02-28 | Smelting lance equipment and method for desiliconization of hot metal |
JP2006104245A JP5181425B2 (en) | 2006-04-05 | 2006-04-05 | Hot metal pretreatment method |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200738889A TW200738889A (en) | 2007-10-16 |
TWI319014B true TWI319014B (en) | 2010-01-01 |
Family
ID=38459207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW096106719A TWI319014B (en) | 2006-02-27 | 2007-02-27 | Injection lance and injection lance equipment for refining process, hot metal desiliconization process, and hot metal pretreatment process |
Country Status (4)
Country | Link |
---|---|
KR (1) | KR101021349B1 (en) |
CN (1) | CN101389774B (en) |
TW (1) | TWI319014B (en) |
WO (1) | WO2007100113A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5194677B2 (en) * | 2007-09-26 | 2013-05-08 | Jfeスチール株式会社 | Oxygen gas blowing lance and hot metal desiliconization method |
JP5292752B2 (en) * | 2007-09-26 | 2013-09-18 | Jfeスチール株式会社 | Oxygen gas blowing lance and hot metal desiliconization method |
JP2009084670A (en) * | 2007-10-03 | 2009-04-23 | Jfe Steel Kk | Oxygen gas blowing lance and molten iron desiliconization method |
JP5412299B2 (en) * | 2010-01-13 | 2014-02-12 | 東京窯業株式会社 | Gas blow lance |
JP5412300B2 (en) * | 2010-01-13 | 2014-02-12 | 東京窯業株式会社 | Gas blow lance |
WO2013000017A1 (en) * | 2011-06-30 | 2013-01-03 | Outotec Oyj | Top submerged injecting lances |
CN104419798B (en) * | 2013-09-05 | 2017-02-22 | 鞍钢股份有限公司 | Method for performing pre-desiliconization on molten iron by utilizing CAS-OB refining furnace |
CN108642233B (en) * | 2018-05-11 | 2019-10-29 | 鞍钢股份有限公司 | A method of improving the converter oxygen gun service life |
CN114606359A (en) * | 2022-03-17 | 2022-06-10 | 重庆钢铁股份有限公司 | Test method of high-temperature nano self-cleaning spray paint for oxygen lance |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2984038B2 (en) * | 1990-08-06 | 1999-11-29 | 川崎製鉄株式会社 | Method and apparatus for blowing gas into metal bath |
JP3514393B2 (en) * | 1994-02-10 | 2004-03-31 | 黒崎播磨株式会社 | Castable refractories for lining dip tubes or lance pipes used in molten metal processing |
JPH07242926A (en) * | 1994-03-04 | 1995-09-19 | Kawasaki Steel Corp | Injection lance having double tube structure |
JPH08209220A (en) * | 1995-02-03 | 1996-08-13 | Kobe Steel Ltd | Device for predicting occurrence of slopping |
JP3512960B2 (en) * | 1996-11-11 | 2004-03-31 | 株式会社高田工業所 | Lance device |
JP3800734B2 (en) * | 1997-06-23 | 2006-07-26 | Jfeスチール株式会社 | Gas injection lance for metal refining furnace |
JPH11171656A (en) * | 1997-12-05 | 1999-06-29 | Toshiba Ceramics Co Ltd | Castable refractory for dipping lance |
JP4070080B2 (en) * | 2000-03-14 | 2008-04-02 | 黒崎播磨株式会社 | Unshaped refractory for waste melting furnace and waste melting furnace using the same |
-
2007
- 2007-02-26 WO PCT/JP2007/054109 patent/WO2007100113A1/en active Application Filing
- 2007-02-26 KR KR1020087019831A patent/KR101021349B1/en active IP Right Grant
- 2007-02-26 CN CN200780006877XA patent/CN101389774B/en active Active
- 2007-02-27 TW TW096106719A patent/TWI319014B/en active
Also Published As
Publication number | Publication date |
---|---|
KR20080089637A (en) | 2008-10-07 |
CN101389774B (en) | 2011-05-11 |
KR101021349B1 (en) | 2011-03-14 |
WO2007100113A1 (en) | 2007-09-07 |
TW200738889A (en) | 2007-10-16 |
CN101389774A (en) | 2009-03-18 |
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