ATA61595A - Herstellung von eisencarbid in einem schachtofen - Google Patents

Herstellung von eisencarbid in einem schachtofen

Info

Publication number
ATA61595A
ATA61595A AT0061595A AT61595A ATA61595A AT A61595 A ATA61595 A AT A61595A AT 0061595 A AT0061595 A AT 0061595A AT 61595 A AT61595 A AT 61595A AT A61595 A ATA61595 A AT A61595A
Authority
AT
Austria
Prior art keywords
shaft
production
iron carbide
carbide
iron
Prior art date
Application number
AT0061595A
Other languages
English (en)
Other versions
AT405172B (de
Original Assignee
Midrex Int Bv
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22895174&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATA61595(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Midrex Int Bv filed Critical Midrex Int Bv
Publication of ATA61595A publication Critical patent/ATA61595A/de
Application granted granted Critical
Publication of AT405172B publication Critical patent/AT405172B/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
    • C21B13/029—Introducing coolant gas in the shaft furnaces
    • 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
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/005—Shaft or like vertical or substantially vertical furnaces wherein no smelting of the charge occurs, e.g. calcining or sintering furnaces
    • 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
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/10—Details, accessories or equipment specially adapted for furnaces of these types
    • 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
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/10—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B1/16—Arrangements of tuyeres
    • 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
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/10—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B1/26—Arrangements of controlling devices
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/22—Increasing the gas reduction potential of recycled exhaust gases by reforming
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/26—Increasing the gas reduction potential of recycled exhaust gases by adding additional fuel in recirculation pipes
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/64—Controlling the physical properties of the gas, e.g. pressure or temperature
    • 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
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/10—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B1/22—Arrangements of heat-exchange apparatus
    • 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
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
    • 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
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Manufacture Of Iron (AREA)
  • Manufacture And Refinement Of Metals (AREA)
AT0061595A 1994-05-04 1995-04-06 Herstellung von eisencarbid in einem schachtofen AT405172B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/237,786 US5437708A (en) 1994-05-04 1994-05-04 Iron carbide production in shaft furnace

Publications (2)

Publication Number Publication Date
ATA61595A true ATA61595A (de) 1998-10-15
AT405172B AT405172B (de) 1999-06-25

Family

ID=22895174

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0061595A AT405172B (de) 1994-05-04 1995-04-06 Herstellung von eisencarbid in einem schachtofen

Country Status (5)

Country Link
US (1) US5437708A (de)
KR (1) KR100195306B1 (de)
AT (1) AT405172B (de)
AU (1) AU669089C (de)
DE (1) DE19509833C2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5618032A (en) * 1994-05-04 1997-04-08 Midrex International B.V. Rotterdam, Zurich Branch Shaft furnace for production of iron carbide
JP2727436B2 (ja) 1995-05-31 1998-03-11 川崎重工業株式会社 鉄カーバイドの製造方法及び製造装置
US5733357A (en) * 1996-02-05 1998-03-31 Iron Carbide Holdings, Ltd. Process for converting iron oxide to iron carbide employing internally generated carbon oxide as the carbiding agent
AT406382B (de) * 1996-11-06 2000-04-25 Voest Alpine Ind Anlagen Verfahren zum herstellen von eisenschwamm durch direktreduktion von eisenoxidhältigem material
DE19748968C1 (de) * 1997-11-06 1999-06-10 Metallgesellschaft Ag Verfahren zum Erzeugen eines Gemisches aus Eisencarbid und körnigem, direkt reduziertem Eisen
IT1310535B1 (it) * 1999-02-18 2002-02-18 Danieli Off Mecc Procedimento di riduzione diretta di materiale metallicoe relativo impianto
IT1310784B1 (it) * 1999-10-11 2002-02-22 Danieli Off Mecc Apparecchiatura di riduzione diretta per ottenere ferro metallico conalto contenuto di carbonio in forma di carburo
DE19953298C2 (de) * 1999-11-05 2001-12-06 Vogels Hanns Arnt Verfahren und Vorrichtungen zur Leistungssteigerung und Brennstoffeinsparung bei der Erzeugung von Eisen
US9347109B2 (en) * 2003-02-28 2016-05-24 Vale S.A. Combined pre-treatment process for enabling feed material to be charged in direct reduction processes
US7608129B2 (en) * 2006-04-24 2009-10-27 Hyl Technologies S.A. De C.V. Method and apparatus for producing direct reduced iron
DE102006062689B4 (de) * 2006-12-21 2009-01-22 Mines And Metals Engineering Gmbh (M.M.E.) Schachtofen für die direkte Reduktion von Eisenoxid
AP3173A (en) * 2009-04-20 2015-03-31 Midrex Technologies Inc Method and apparatus for sequestering carbon from a spent gas
US8771638B2 (en) 2009-04-20 2014-07-08 Midrex Technologies, Inc. Method and apparatus for sequestering carbon dioxide from a spent gas
WO2012058717A1 (en) * 2010-11-03 2012-05-10 Technological Resources Pty. Limited Production of iron
JP2016513004A (ja) 2013-02-15 2016-05-12 ミドレックス テクノロジーズ，インコーポレイテッド 二酸化炭素を使用済みガスから分離する方法、及び装置
US10065857B2 (en) 2013-03-12 2018-09-04 Midrex Technologies, Inc. Systems and methods for generating carbon dioxide for use as a reforming oxidant in making syngas or reformed gas
US10316376B2 (en) * 2015-06-24 2019-06-11 Midrex Technologies, Inc. Methods and systems for increasing the carbon content of sponge iron in a reduction furnace
US10907224B2 (en) * 2018-06-13 2021-02-02 Midrex Technologies, Inc. Direct reduction system and process utilizing a process gas direct recycle line
DE102019217631B4 (de) * 2019-11-15 2024-05-29 Thyssenkrupp Steel Europe Ag Verfahren zur Direktreduktion von Eisenerz
DE102022102320A1 (de) * 2022-02-01 2023-08-03 The Yellow SiC Holding GmbH Vorrichtung und Verfahren zur Produktion von Siliziumkarbid

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US32247A (en) * 1861-05-07 Vegetable-cutter
US3764123A (en) * 1970-06-29 1973-10-09 Midland Ross Corp Method of and apparatus for reducing iron oxide to metallic iron
US3899569A (en) * 1972-02-01 1975-08-12 Us Interior Preparation of highly pure titanium tetrachloride from ilmenite slag
US3836131A (en) * 1973-12-26 1974-09-17 Mildrex Corp Apparatus for cooling a moving bed of solid, gas permeable particles
US4046557A (en) * 1975-09-08 1977-09-06 Midrex Corporation Method for producing metallic iron particles
AU496945B2 (en) * 1975-05-19 1978-11-16 Midrex International B.V. Rotterdam Producing metallized product
US4053301A (en) * 1975-10-14 1977-10-11 Hazen Research, Inc. Process for the direct production of steel
US4111687A (en) * 1976-11-01 1978-09-05 Consolidated Natural Gas Service Company, Inc. Process for the production of intermediate hot metal
US4160663A (en) * 1978-02-21 1979-07-10 Jack Hsieh Method for the direct reduction of iron ore
DE2810657C2 (de) * 1978-03-11 1980-01-24 Hamburger Stahlwerke Gmbh, 2103 Hamburg Verfahren zur Direktreduktion von Eisenerzen
US4212452A (en) * 1979-04-30 1980-07-15 Jack Hsieh Apparatus for the direct reduction of iron ore
US4416688A (en) * 1980-09-02 1983-11-22 Raymond Kaiser Engineers, Inc. Direct reduction of ores and concentration of metallic values
US4351513A (en) * 1981-01-29 1982-09-28 Midrex Corporation Direct reduction of iron using coke oven gas
US4396423A (en) * 1981-06-22 1983-08-02 Stephens Jr Frank M Process for recovering iron and zinc from steel making dusts
JPH0729763B2 (ja) * 1987-10-13 1995-04-05 ダイキン工業株式会社 炭化鉄微粒子及びその製造法
US5061326A (en) * 1990-07-09 1991-10-29 Armco Inc. Method of making high silicon, low carbon regular grain oriented silicon steel
US5118479A (en) * 1990-08-01 1992-06-02 Iron Carbide Holdings, Limited Process for using fluidized bed reactor
US5137566A (en) * 1990-08-01 1992-08-11 Iron Carbide Holdings, Limited Process for preheating iron-containing reactor feed prior to being treated in a fluidized bed reactor
US5073194A (en) * 1990-08-01 1991-12-17 Iron Carbide Holdings, Limited Process for controlling the product quality in the conversion of reactor feed into iron carbide
US5139568A (en) * 1991-10-03 1992-08-18 Cargill, Incorporated Continuous production of iron-carbon alloy using iron carbide

Also Published As

Publication number Publication date
KR950032650A (ko) 1995-12-22
AU1636795A (en) 1995-11-16
DE19509833A1 (de) 1995-11-09
US5437708A (en) 1995-08-01
DE19509833C2 (de) 1997-10-09
AU669089B2 (en) 1996-05-23
AT405172B (de) 1999-06-25
AU669089C (en) 2001-11-15
KR100195306B1 (ko) 1999-06-15

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