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IN2014DN07281A - - Google Patents

Info

Publication number
IN2014DN07281A
IN2014DN07281A IN7281DEN2014A IN2014DN07281A IN 2014DN07281 A IN2014DN07281 A IN 2014DN07281A IN 7281DEN2014 A IN7281DEN2014 A IN 7281DEN2014A IN 2014DN07281 A IN2014DN07281 A IN 2014DN07281A
Authority
IN
India
Prior art keywords
slag
electric furnace
supply
hot steel
steel slag
Prior art date
Application number
Inventor
Toshiya Harada
Takashi Arai
Hiroki FUKUMURA
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 IN2014DN07281A publication Critical patent/IN2014DN07281A/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 different kinds of furnaces that are not all covered by any single one of main groups F27B1/00 - F27B17/00
    • F27B19/04—Combinations of different kinds of furnaces that are not all covered by any single one of main groups F27B1/00 - F27B17/00 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; Electric arc furnaces ; Tank furnaces
    • F27B3/10—Details, accessories or equipment, e.g. dust-collectors, specially adapted for 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)

Abstract

This slag supply container for an electric furnace for steel slag reduction is provided with: a container body that causes hot steel slag to flow toward the electric furnace; a slag discharging part connected to an electric furnace side slag supply opening; a slag receptacle that receives a supply of the hot steel slag; a lid that opens and closes the slag receptacle; an exhaust part that discharges exhaust gas from the electric furnace; and a tilting device that tilts the container body so as to adjust the amount of hot steel slag that flows into the electric furnace side slag supply opening.
IN7281DEN2014 2012-06-27 2013-06-27 IN2014DN07281A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2012144557 2012-06-27
JP2012144473 2012-06-27
JP2012235692 2012-10-25
PCT/JP2013/067660 WO2014003119A1 (en) 2012-06-27 2013-06-27 Slag supply container for electric furnace for steel slag reduction

Publications (1)

Publication Number Publication Date
IN2014DN07281A true IN2014DN07281A (en) 2015-04-24

Family

ID=49783256

Family Applications (3)

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

Family Applications Before (1)

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

Family Applications After (1)

Application Number Title Priority Date Filing Date
IN7659DEN2014 IN2014DN07659A (en) 2012-06-27 2013-06-27

Country Status (9)

Country Link
US (3) US9238846B2 (en)
EP (3) EP2759606B1 (en)
JP (3) JP5541423B1 (en)
KR (3) KR101560513B1 (en)
CN (3) CN104039987B (en)
BR (3) BR112014011858B1 (en)
CA (3) CA2851963C (en)
IN (3) IN2014DN07279A (en)
WO (3) WO2014003123A1 (en)

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CN113564297B (en) * 2021-07-29 2022-06-21 广东韶钢松山股份有限公司 Method for reducing content of manganese oxide in slag
US20240368716A1 (en) 2021-09-30 2024-11-07 Nippon Steel Corporation Molten pig iron manufacturing method
CN114111354B (en) * 2021-11-03 2023-06-02 湖南博一环保科技有限公司 Dry cooling device for zinc-extracting rotary kiln iron slag and working method thereof
CN113913569A (en) * 2021-11-10 2022-01-11 北京中冶设备研究设计总院有限公司 Dry granulation slag storage flow control device and slag storage flow control method
CN115029488B (en) * 2022-06-27 2023-10-03 北京崎基环保科技有限公司 Steel slag treatment system and method for treating steel slag by adopting same
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Also Published As

Publication number Publication date
JP5574057B2 (en) 2014-08-20
EP2759606A4 (en) 2015-07-22
JPWO2014003119A1 (en) 2016-06-02
JPWO2014003127A1 (en) 2016-06-02
BR112014011858B1 (en) 2019-06-25
CA2851604A1 (en) 2014-01-03
KR20140079805A (en) 2014-06-27
CN103930574A (en) 2014-07-16
JPWO2014003123A1 (en) 2016-06-02
BR112014011250B1 (en) 2019-07-02
JP5541423B1 (en) 2014-07-09
EP2757163A1 (en) 2014-07-23
EP2767597A1 (en) 2014-08-20
EP2757163A4 (en) 2015-07-15
EP2767597A4 (en) 2015-07-15
US9238846B2 (en) 2016-01-19
KR20140085499A (en) 2014-07-07
CA2852500A1 (en) 2014-01-03
CA2851963C (en) 2015-05-19
KR101560513B1 (en) 2015-10-14
CA2852500C (en) 2015-06-23
US20140291901A1 (en) 2014-10-02
WO2014003127A1 (en) 2014-01-03
WO2014003123A1 (en) 2014-01-03
CN103930573B (en) 2017-04-05
IN2014DN07659A (en) 2015-05-15
EP2757163B1 (en) 2017-03-08
US9217185B2 (en) 2015-12-22
JP5522320B1 (en) 2014-06-18
WO2014003119A1 (en) 2014-01-03
KR20140085506A (en) 2014-07-07
IN2014DN07279A (en) 2015-04-24
CA2851604C (en) 2015-11-10
CN103930574B (en) 2015-08-19
BR112014011428A2 (en) 2017-05-02
CN104039987A (en) 2014-09-10
US20140247856A1 (en) 2014-09-04
CN104039987B (en) 2015-07-22
BR112014011858A2 (en) 2017-05-16
BR112014011428B1 (en) 2020-04-14
EP2767597B1 (en) 2016-11-02
CA2851963A1 (en) 2014-01-03
KR101531804B1 (en) 2015-06-25
US20150135896A1 (en) 2015-05-21
EP2759606A1 (en) 2014-07-30
KR101560512B1 (en) 2015-10-14
CN103930573A (en) 2014-07-16
US9534266B2 (en) 2017-01-03
EP2759606B1 (en) 2016-11-16
BR112014011250A2 (en) 2017-05-09

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