IN2014DN07659A - - Google Patents

Info

Publication number
IN2014DN07659A
IN2014DN07659A IN7659DEN2014A IN2014DN07659A IN 2014DN07659 A IN2014DN07659 A IN 2014DN07659A IN 7659DEN2014 A IN7659DEN2014 A IN 7659DEN2014A IN 2014DN07659 A IN2014DN07659 A IN 2014DN07659A
Authority
IN
India
Prior art keywords
slag
molten
layer
reduction
hot steel
Prior art date
Application number
Other languages
English (en)
Inventor
Toshiya Harada
Takashi Arai
Hiroshi Hirata
Original Assignee
Nippon Steel & Sumitomo Metal 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 & Sumitomo Metal Corp filed Critical Nippon Steel & Sumitomo Metal Corp
Publication of IN2014DN07659A publication Critical patent/IN2014DN07659A/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
    • C21C7/0087—Treatment of slags covering the steel bath, e.g. for separating slag from the molten metal
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B5/00—Treatment of  metallurgical  slag ; Artificial stone from molten  metallurgical  slag 
    • C04B5/06—Ingredients, other than water, added to the molten slag or to the granulating medium or before remelting; Treatment with gases or gas generating compounds, e.g. to obtain porous 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
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5229—Manufacture of steel in electric furnaces in a direct current [DC] electric arc furnace
    • 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
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/527—Charging of the electric furnace
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B19/00—Combinations of furnaces of kinds not covered by a single preceding main group
    • F27B19/04—Combinations of furnaces of kinds not covered by a single preceding main group arranged for associated working
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/18—Arrangements of devices for charging
    • F27B3/183—Charging of arc furnaces vertically through the roof, e.g. in three points
    • 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
    • F27D15/00—Handling or treating discharged material; Supports or receiving chambers 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
    • F27D3/14—Charging or discharging liquid or molten 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
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5229—Manufacture of steel in electric furnaces in a direct current [DC] electric arc furnace
    • C21C2005/5235—Manufacture of steel in electric furnaces in a direct current [DC] electric arc furnace with bottom electrodes
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Furnace Details (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
IN7659DEN2014 2012-06-27 2013-06-27 IN2014DN07659A (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2012144473 2012-06-27
JP2012144557 2012-06-27
JP2012235692 2012-10-25
PCT/JP2013/067665 WO2014003123A1 (ja) 2012-06-27 2013-06-27 製鋼スラグ還元処理方法

Publications (1)

Publication Number Publication Date
IN2014DN07659A true IN2014DN07659A (pt) 2015-05-15

Family

ID=49783256

Family Applications (3)

Application Number Title Priority Date Filing Date
IN7279DEN2014 IN2014DN07279A (pt) 2012-06-27 2013-06-27
IN7659DEN2014 IN2014DN07659A (pt) 2012-06-27 2013-06-27
IN7281DEN2014 IN2014DN07281A (pt) 2012-06-27 2013-06-27

Family Applications Before (1)

Application Number Title Priority Date Filing Date
IN7279DEN2014 IN2014DN07279A (pt) 2012-06-27 2013-06-27

Family Applications After (1)

Application Number Title Priority Date Filing Date
IN7281DEN2014 IN2014DN07281A (pt) 2012-06-27 2013-06-27

Country Status (9)

Country Link
US (3) US9238846B2 (pt)
EP (3) EP2767597B1 (pt)
JP (3) JP5541423B1 (pt)
KR (3) KR101560513B1 (pt)
CN (3) CN103930573B (pt)
BR (3) BR112014011428B1 (pt)
CA (3) CA2851604C (pt)
IN (3) IN2014DN07279A (pt)
WO (3) WO2014003123A1 (pt)

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EP2767597B1 (en) 2012-06-27 2016-11-02 Nippon Steel & Sumitomo Metal Corporation Method of reduction processing of steel-making slag
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CN105986054A (zh) * 2015-02-13 2016-10-05 鞍钢股份有限公司 一种对转炉终渣改性并还原的方法
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CN106702043B (zh) * 2015-11-17 2018-08-03 鞍钢股份有限公司 一种转炉终渣处理方法
CN106811566B (zh) * 2015-12-02 2019-02-26 鞍钢股份有限公司 一种含磷钢磷合金化方法
CN107012283B (zh) * 2016-01-27 2018-10-09 鞍钢股份有限公司 一种转炉留渣方法
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CN106755665A (zh) * 2017-02-20 2017-05-31 中冶赛迪上海工程技术有限公司 一种利用高温熔渣处理垃圾焚烧飞灰的装置及方法
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CN108558244B (zh) * 2018-05-15 2020-09-01 鞍钢股份有限公司 一种利用热态转炉渣制备水泥混合料的装置及制备方法
CN109500048A (zh) * 2018-10-09 2019-03-22 中冶南方工程技术有限公司 垃圾焚烧飞灰的固化处理方法以及处理系统
JP7095674B2 (ja) * 2019-11-29 2022-07-05 Ｊｆｅスチール株式会社 コンクリートの製造方法
JP7531273B2 (ja) * 2019-11-29 2024-08-09 Ｊｆｅスチール株式会社 副生成物の処理方法
JP7531274B2 (ja) * 2019-11-29 2024-08-09 Ｊｆｅスチール株式会社 副生成物の処理方法
CN113564297B (zh) * 2021-07-29 2022-06-21 广东韶钢松山股份有限公司 一种降低渣中氧化锰含量的方法
EP4411000A1 (en) 2021-09-30 2024-08-07 Nippon Steel Corporation Molten iron production method
CN114111354B (zh) * 2021-11-03 2023-06-02 湖南博一环保科技有限公司 一种提锌回转窑铁渣的干法冷却装置及其工作方法
CN113913569A (zh) * 2021-11-10 2022-01-11 北京中冶设备研究设计总院有限公司 干法粒化储渣控流装置及储渣控流方法
CN115029488B (zh) * 2022-06-27 2023-10-03 北京崎基环保科技有限公司 钢渣处理系统及采用其处理钢渣的方法
EP4417713A1 (en) 2023-02-14 2024-08-21 Oterdoom, Harmen The novel two-step (semi-)continuous process for clean slag and steel or hot metal

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Also Published As

Publication number Publication date
BR112014011858A2 (pt) 2017-05-16
JP5522320B1 (ja) 2014-06-18
JP5574057B2 (ja) 2014-08-20
CN103930574B (zh) 2015-08-19
CN104039987B (zh) 2015-07-22
US20140247856A1 (en) 2014-09-04
JPWO2014003123A1 (ja) 2016-06-02
BR112014011250B1 (pt) 2019-07-02
BR112014011250A2 (pt) 2017-05-09
IN2014DN07281A (pt) 2015-04-24
JP5541423B1 (ja) 2014-07-09
CN104039987A (zh) 2014-09-10
EP2767597B1 (en) 2016-11-02
CA2852500C (en) 2015-06-23
JPWO2014003127A1 (ja) 2016-06-02
CN103930573B (zh) 2017-04-05
KR20140079805A (ko) 2014-06-27
KR20140085499A (ko) 2014-07-07
JPWO2014003119A1 (ja) 2016-06-02
US9217185B2 (en) 2015-12-22
CN103930573A (zh) 2014-07-16
KR101531804B1 (ko) 2015-06-25
CA2851604C (en) 2015-11-10
US9534266B2 (en) 2017-01-03
US9238846B2 (en) 2016-01-19
CA2851963A1 (en) 2014-01-03
CA2852500A1 (en) 2014-01-03
WO2014003127A1 (ja) 2014-01-03
EP2767597A1 (en) 2014-08-20
KR101560512B1 (ko) 2015-10-14
EP2757163B1 (en) 2017-03-08
US20150135896A1 (en) 2015-05-21
WO2014003123A1 (ja) 2014-01-03
EP2757163A1 (en) 2014-07-23
WO2014003119A1 (ja) 2014-01-03
US20140291901A1 (en) 2014-10-02
CA2851963C (en) 2015-05-19
BR112014011428A2 (pt) 2017-05-02
EP2757163A4 (en) 2015-07-15
BR112014011428B1 (pt) 2020-04-14
EP2759606A1 (en) 2014-07-30
EP2759606A4 (en) 2015-07-22
KR20140085506A (ko) 2014-07-07
BR112014011858B1 (pt) 2019-06-25
CA2851604A1 (en) 2014-01-03
CN103930574A (zh) 2014-07-16
EP2767597A4 (en) 2015-07-15
IN2014DN07279A (pt) 2015-04-24
EP2759606B1 (en) 2016-11-16
KR101560513B1 (ko) 2015-10-14

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