BRPI0910543A2 - material depressor de escória espumando e método para eprimir escória espumando - Google Patents

material depressor de escória espumando e método para eprimir escória espumando

Info

Publication number
BRPI0910543A2
BRPI0910543A2 BRPI0910543A BRPI0910543A BRPI0910543A2 BR PI0910543 A2 BRPI0910543 A2 BR PI0910543A2 BR PI0910543 A BRPI0910543 A BR PI0910543A BR PI0910543 A BRPI0910543 A BR PI0910543A BR PI0910543 A2 BRPI0910543 A2 BR PI0910543A2
Authority
BR
Brazil
Prior art keywords
foaming slag
compressing
slag
depressant material
foaming
Prior art date
Application number
BRPI0910543A
Other languages
English (en)
Inventor
Akihiro Matsuzawa
Masamitsu Wakoh
Masanori Kumakura
Sohichi Niino
Original Assignee
Nippon 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
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to BR122017006818A priority Critical patent/BR122017006818B1/pt
Publication of BRPI0910543A2 publication Critical patent/BRPI0910543A2/pt
Publication of BRPI0910543B1 publication Critical patent/BRPI0910543B1/pt

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
    • C21C5/36—Processes yielding slags of special composition
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B3/00—General features in the manufacture of pig-iron
    • C21B3/04—Recovery of by-products, e.g. slag
    • C21B3/06—Treatment of liquid slag
    • 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
    • C21C7/0025—Adding carbon material
    • 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
    • C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
    • C21C7/0043—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material into the falling stream of molten metal
    • 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
    • C21C7/0087—Treatment of slags covering the steel bath, e.g. for separating slag from the molten metal
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2400/00—Treatment of slags originating from iron or steel processes
    • C21B2400/02—Physical or chemical treatment of slags
    • 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
    • C21C7/0056—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 using cored wires
    • C21C2007/0062—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 using cored wires with introduction of alloying or treating agents under a compacted form different from a wire, e.g. briquette, pellet
    • 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
    • C21C2300/00—Process aspects
    • C21C2300/04—Avoiding foam formation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Analytical Chemistry (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
BRPI0910543-3A 2008-05-27 2009-05-27 Material depressor de escória espumante BRPI0910543B1 (pt)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR122017006818A BR122017006818B1 (pt) 2008-05-27 2009-05-27 métodos para deprimir escória espumante

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008138320A JP4580435B2 (ja) 2008-05-27 2008-05-27 排滓鍋スラグのフォーミング鎮静材及びその鎮静方法
JP2008-138320 2008-05-27
PCT/JP2009/059712 WO2009145228A1 (ja) 2008-05-27 2009-05-27 スラグフォーミング鎮静材及びスラグフォーミング鎮静方法

Publications (2)

Publication Number Publication Date
BRPI0910543A2 true BRPI0910543A2 (pt) 2015-09-29
BRPI0910543B1 BRPI0910543B1 (pt) 2019-04-24

Family

ID=41377099

Family Applications (2)

Application Number Title Priority Date Filing Date
BRPI0910543-3A BRPI0910543B1 (pt) 2008-05-27 2009-05-27 Material depressor de escória espumante
BR122017006818A BR122017006818B1 (pt) 2008-05-27 2009-05-27 métodos para deprimir escória espumante

Family Applications After (1)

Application Number Title Priority Date Filing Date
BR122017006818A BR122017006818B1 (pt) 2008-05-27 2009-05-27 métodos para deprimir escória espumante

Country Status (5)

Country Link
JP (1) JP4580435B2 (pt)
KR (1) KR101234483B1 (pt)
CN (1) CN102016081B (pt)
BR (2) BRPI0910543B1 (pt)
WO (1) WO2009145228A1 (pt)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101321846B1 (ko) * 2011-12-12 2013-10-22 주식회사 포스코 슬래그 포밍 진정제 및 이를 이용한 슬래그 포밍 진정 방법
CN103540706B (zh) * 2012-07-11 2015-11-18 攀钢集团研究院有限公司 一种抑制炉渣泡沫化的方法
JP2015224387A (ja) * 2014-05-30 2015-12-14 新日鐵住金株式会社 フォーミング鎮静剤とフォーミング鎮静方法
CN105112580A (zh) * 2015-08-24 2015-12-02 新疆八一钢铁股份有限公司 一种多功能转炉渣罐消泡剂的生产工艺
CN105132605A (zh) * 2015-09-02 2015-12-09 新疆八一钢铁股份有限公司 高炉瓦斯灰用于转炉渣罐进行压渣消泡的工艺
WO2017130837A1 (ja) * 2016-01-28 2017-08-03 新日鐵住金株式会社 排滓方法、スラグの製造方法及び流下スラグのエネルギー減衰構造
KR102227326B1 (ko) * 2016-12-16 2021-03-12 닛폰세이테츠 가부시키가이샤 전기로
CA3044770A1 (en) 2016-12-16 2018-06-21 Nippon Steel Corporation Electric furnace
JP6816777B2 (ja) * 2017-01-23 2021-01-20 日本製鉄株式会社 スラグのフォーミング抑制方法および転炉精錬方法
KR20190089018A (ko) * 2017-02-08 2019-07-29 닛폰세이테츠 가부시키가이샤 슬래그의 포밍 억제 방법
WO2018150862A1 (ja) * 2017-02-20 2018-08-23 新日鐵住金株式会社 スラグフォーミング鎮静材及びスラグフォーミング鎮静方法並びに転炉吹錬方法
JP6835233B2 (ja) * 2017-08-25 2021-02-24 日本製鉄株式会社 スラグのフォーミング抑制方法および転炉精錬方法
KR102444944B1 (ko) 2018-04-24 2022-09-20 닛폰세이테츠 가부시키가이샤 배출 슬래그의 포밍 진정 방법 및 이것에 이용되는 정련 설비
JP7147550B2 (ja) * 2018-12-27 2022-10-05 日本製鉄株式会社 スラグのフォーミング抑制方法および転炉精錬方法
JP7572621B2 (ja) * 2021-01-15 2024-10-24 日本製鉄株式会社 フォーミング鎮静材およびそれを用いたフォーミングの鎮静方法
JP7572622B2 (ja) * 2021-01-15 2024-10-24 日本製鉄株式会社 フォーミング鎮静材およびそれを用いたフォーミングの鎮静方法
WO2025090509A1 (en) * 2023-10-24 2025-05-01 Senex Technologies LLC Processes and systems for molten slag energy extraction and utilization

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52115716A (en) * 1976-03-25 1977-09-28 Sumitomo Metal Ind Ltd Killing agent for foaming of converter
JPS62202013A (ja) * 1986-03-03 1987-09-05 Sumitomo Metal Ind Ltd 転炉操業方法
CN1121114A (zh) * 1994-10-20 1996-04-24 刘德生 氧气顶吹转炉用压渣剂及其生产方法
JPH09263817A (ja) * 1996-03-27 1997-10-07 Kawasaki Steel Corp 溶融金属溶製時のスラグフォーミング鎮静方法
JP2001348609A (ja) * 2000-06-07 2001-12-18 Nippon Steel Corp フォーミング抑制剤
JP2004323959A (ja) * 2003-04-28 2004-11-18 Nippon Steel Corp 転炉排滓法
JP4669437B2 (ja) * 2006-05-11 2011-04-13 黒崎播磨株式会社 耐火物廃材を使用した転炉スラグフォーミング鎮静材

Also Published As

Publication number Publication date
CN102016081B (zh) 2013-06-12
CN102016081A (zh) 2011-04-13
BR122017006818B1 (pt) 2018-05-08
JP2009287050A (ja) 2009-12-10
BRPI0910543B1 (pt) 2019-04-24
KR101234483B1 (ko) 2013-02-18
KR20100126585A (ko) 2010-12-01
JP4580435B2 (ja) 2010-11-10
WO2009145228A1 (ja) 2009-12-03

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Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: NIPPON STEEL AND SUMITOMO METAL CORPORATION (JP)

B06A Notification to applicant to reply to the report for non-patentability or inadequacy of the application according art. 36 industrial patent law
B07A Technical examination (opinion): publication of technical examination (opinion)
B09B Decision: refusal
B12B Appeal: appeal against refusal
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 27/05/2009, OBSERVADAS AS CONDICOES LEGAIS. (CO) 20 (VINTE) ANOS CONTADOS A PARTIR DE 27/05/2009, OBSERVADAS AS CONDICOES LEGAIS

B25D Requested change of name of applicant approved

Owner name: NIPPON STEEL CORPORATION (JP)