BR0206031A - Oxygen blowing lance in vacuum refining apparatus - Google Patents

Oxygen blowing lance in vacuum refining apparatus

Info

Publication number
BR0206031A
BR0206031A BR0206031-0A BR0206031A BR0206031A BR 0206031 A BR0206031 A BR 0206031A BR 0206031 A BR0206031 A BR 0206031A BR 0206031 A BR0206031 A BR 0206031A
Authority
BR
Brazil
Prior art keywords
oxygen
vacuum chamber
supply tube
pan
tubular body
Prior art date
Application number
BR0206031-0A
Other languages
Portuguese (pt)
Inventor
Hyeon-Soo Choi
Sang-Bok An
Chang-Hyun Lee
Wang-Yeol Seo
Frank Mucciardi
Original Assignee
Posco
Univ Mcgill
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 Posco, Univ Mcgill filed Critical Posco
Publication of BR0206031A publication Critical patent/BR0206031A/en

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
    • C21C7/10—Handling in a vacuum
    • 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
    • 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
    • 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

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)

Abstract

"LANçA DE SOPRO DE OXIGêNIO EM APARELHO DE REFINO A VáCUO". A presente invenção refere-se a uma lança de sopro de oxigênio para alimentar oxigênio inclui uma panela para armazenar aço fundido, uma câmara de vácuo arranjada sobre a panela e condutos submersos fornecendo canais de circulação para o fluxo de aço fundido entre a panela e a câmara de vácuo. A lança de sopro de oxigênio é montada para penetrar a parede lateral da câmara de vácuo com um ângulo de inclinação e compreende: um tubo de alimentação de oxigênio para soprar oxigênio na câmara de vácuo; um corpo tubular para circundar a superfície externa do tubo de alimentação de oxigênio e que se estende de uma extremidade do tubo de alimentação de oxigênio exposta dentro da câmara de vácuo por um comprimento, o corpo tubular sendo fechado em ambas as extremidades; e uma substância líquida volátil armazenada em um espaço de armazenagem fechado entre uma superfície interna do corpo tubular e a superfície externa do tubo de alimentação de oxigênio."OXYGEN BLOWING BOOM IN VACUUM REFINER". The present invention relates to an oxygen blasting lance for supplying oxygen including a pan for storing molten steel, a vacuum chamber arranged over the pan and submerged conduits providing circulation channels for the flow of molten steel between the pan and the vacuum chamber. The oxygen blowing lance is mounted to penetrate the side wall of the vacuum chamber at an angle of inclination and comprises: an oxygen supply tube for blowing oxygen into the vacuum chamber; a tubular body surrounding the outer surface of the oxygen supply tube extending from one end of the oxygen supply tube exposed within the vacuum chamber for a length, the tubular body being closed at both ends; and a volatile liquid substance stored in a closed storage space between an inner surface of the tubular body and the outer surface of the oxygen supply tube.

BR0206031-0A 2001-09-13 2002-09-13 Oxygen blowing lance in vacuum refining apparatus BR0206031A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2001-0056517A KR100422186B1 (en) 2001-09-13 2001-09-13 Oxygen blowing lance for the vacuum refining apparatus
PCT/KR2002/001725 WO2003023073A1 (en) 2001-09-13 2002-09-13 Oxygen blowing lance for the vacuum refining apparatus

Publications (1)

Publication Number Publication Date
BR0206031A true BR0206031A (en) 2003-09-16

Family

ID=19714245

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0206031-0A BR0206031A (en) 2001-09-13 2002-09-13 Oxygen blowing lance in vacuum refining apparatus

Country Status (4)

Country Link
KR (1) KR100422186B1 (en)
BR (1) BR0206031A (en)
CA (1) CA2403081A1 (en)
WO (1) WO2003023073A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT507401B1 (en) 2008-10-01 2010-10-15 Inteco Special Melting Technol LANCE DIRECTION FOR VACUUM TREATMENT PLANTS
KR200453753Y1 (en) * 2008-12-09 2011-05-24 듀오백코리아 주식회사 Backrest supporting apparatus for a chair with two backrests being laterally spaced
CN102296159B (en) * 2010-06-25 2013-05-01 鞍钢股份有限公司 Handling method for blockage of insertion tube
BRPI1102243B1 (en) 2011-05-20 2018-04-17 Magnesita Refratários S/A REFRIGERATED BOOM FOR INJECTION IN METALLURGICAL VASES
CN104198251A (en) * 2014-09-15 2014-12-10 西安西北有色地质研究院有限公司 Test tube assembly for low-temperature quick ashing of organic matter sample
CN112847984B (en) * 2021-01-14 2023-09-05 广州超力管业有限公司 Cooling device for HDPE pipe manufacturing

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0254714A (en) * 1988-08-19 1990-02-23 Sumitomo Metal Ind Ltd Method for adding oxygen in rh vacuum refining
JP2724035B2 (en) * 1990-07-19 1998-03-09 川崎製鉄株式会社 Vacuum decarburization of molten steel
JP3412269B2 (en) * 1994-08-15 2003-06-03 住友金属工業株式会社 Manufacturing method of extremely low sulfur steel

Also Published As

Publication number Publication date
WO2003023073A1 (en) 2003-03-20
KR20030023355A (en) 2003-03-19
KR100422186B1 (en) 2004-03-18
CA2403081A1 (en) 2003-03-13

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Legal Events

Date Code Title Description
B08F Application fees: application dismissed [chapter 8.6 patent gazette]

Free format text: REFERENTE A 3A,4A,5A,6A E 7A ANUIDADES

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 DA RPI 2025 DE 27/10/2009.