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 process

Info

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
Application number
TW096106719A
Other languages
English (en)
Chinese (zh)
Other versions
TW200738889A (en
Inventor
Kikuchi Naoki
Hino Yuta
Nabeshima Seiji
Tamiya Kenichiro
Yamauchi Takashi
Okada Koji
Tanaka Yoshiyuki
Shimizu Hiroshi
Original Assignee
Jfe 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
Priority claimed from JP2006053017A external-priority patent/JP4923623B2/ja
Priority claimed from JP2006104245A external-priority patent/JP5181425B2/ja
Application filed by Jfe Steel Corp filed Critical Jfe Steel Corp
Publication of TW200738889A publication Critical patent/TW200738889A/zh
Application granted granted Critical
Publication of TWI319014B publication Critical patent/TWI319014B/zh

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
TW096106719A 2006-02-27 2007-02-27 Injection lance and injection lance equipment for refining process, hot metal desiliconization process, and hot metal pretreatment process TWI319014B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2006049686 2006-02-27
JP2006053017A JP4923623B2 (ja) 2006-02-28 2006-02-28 精錬用吹き込みランス設備及び溶銑の脱珪処理方法
JP2006104245A JP5181425B2 (ja) 2006-04-05 2006-04-05 溶銑の予備処理方法

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 (ja)
CN (1) CN101389774B (ja)
TW (1) TWI319014B (ja)
WO (1) WO2007100113A1 (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5292752B2 (ja) * 2007-09-26 2013-09-18 Ｊｆｅスチール株式会社 酸素ガス吹き込みランス及び溶銑の脱珪処理方法
JP5194677B2 (ja) * 2007-09-26 2013-05-08 Ｊｆｅスチール株式会社 酸素ガス吹き込みランス及び溶銑の脱珪処理方法
JP2009084670A (ja) * 2007-10-03 2009-04-23 Jfe Steel Kk 酸素ガス吹き込みランス及び溶銑の脱珪処理方法
JP5412299B2 (ja) * 2010-01-13 2014-02-12 東京窯業株式会社 ガス吹き込みランス
JP5412300B2 (ja) * 2010-01-13 2014-02-12 東京窯業株式会社 ガス吹き込みランス
BR112013033631B8 (pt) * 2011-06-30 2023-03-28 Outotec Oyj Lanças de injeção submergida de topo
CN104419798B (zh) * 2013-09-05 2017-02-22 鞍钢股份有限公司 一种利用cas‑ob精炼炉铁水预脱硅的方法
CN108642233B (zh) * 2018-05-11 2019-10-29 鞍钢股份有限公司 一种提高转炉氧枪寿命的方法
CN114606359A (zh) * 2022-03-17 2022-06-10 重庆钢铁股份有限公司 一种氧枪用高温纳米自洁喷涂料试验方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2984038B2 (ja) * 1990-08-06 1999-11-29 川崎製鉄株式会社 金属浴中ガス吹き込み方法及び装置
JP3514393B2 (ja) * 1994-02-10 2004-03-31 黒崎播磨株式会社 溶融金属処理に使用される浸漬管またはランスパイプの外張り用キャスタブル耐火物
JPH07242926A (ja) * 1994-03-04 1995-09-19 Kawasaki Steel Corp 二重管構造のインジェクションランス
JPH08209220A (ja) * 1995-02-03 1996-08-13 Kobe Steel Ltd スロッピング発生予知装置
JP3512960B2 (ja) * 1996-11-11 2004-03-31 株式会社高田工業所 ランス装置
JP3800734B2 (ja) * 1997-06-23 2006-07-26 Ｊｆｅスチール株式会社 金属精錬炉用ガス吹込みランス
JPH11171656A (ja) 1997-12-05 1999-06-29 Toshiba Ceramics Co Ltd 浸漬ランス用キャスタブル耐火物
EP1264810A4 (en) * 2000-03-14 2004-12-01 Krosakiharima Corp MONOLITHIC REFRACTORY FOR WASTE PYROLYSIS OVEN AND WASTE PYROLYSIS OVEN IN WHICH SAID MONOLITHIC REFRACTORY IS USED

Also Published As

Publication number Publication date
KR20080089637A (ko) 2008-10-07
TW200738889A (en) 2007-10-16
CN101389774A (zh) 2009-03-18
CN101389774B (zh) 2011-05-11
WO2007100113A1 (ja) 2007-09-07
KR101021349B1 (ko) 2011-03-14

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