DE69029571D1 - Verfahren und Vorrichtung zur Direktreduktion von Metalloxyden - Google Patents

Verfahren und Vorrichtung zur Direktreduktion von Metalloxyden

Info

Publication number
DE69029571D1
DE69029571D1 DE69029571T DE69029571T DE69029571D1 DE 69029571 D1 DE69029571 D1 DE 69029571D1 DE 69029571 T DE69029571 T DE 69029571T DE 69029571 T DE69029571 T DE 69029571T DE 69029571 D1 DE69029571 D1 DE 69029571D1
Authority
DE
Germany
Prior art keywords
chamber
kiln
pellets
greenball
feed
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69029571T
Other languages
English (en)
Other versions
DE69029571T2 (de
Inventor
Norman G Bishop
N Edward Bottinelli
Norman L Kotraba
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zia Technology Inc
Original Assignee
Zia Technology Inc
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 Zia Technology Inc filed Critical Zia Technology Inc
Application granted granted Critical
Publication of DE69029571D1 publication Critical patent/DE69029571D1/de
Publication of DE69029571T2 publication Critical patent/DE69029571T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • C21B13/08—Making spongy iron or liquid steel, by direct processes in rotary 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
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
    • F27B7/2083—Arrangements for the melting of metals or the treatment of molten metals
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B11/00—Making pig-iron other than in blast furnaces
    • C21B11/06—Making pig-iron other than in blast furnaces in rotary kilns
    • 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
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
    • F27B7/42—Arrangement of controlling, monitoring, alarm or like devices

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)
  • Manufacture And Refinement Of Metals (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
  • Furnace Details (AREA)
DE69029571T 1990-02-13 1990-10-29 Verfahren und Vorrichtung zur Direktreduktion von Metalloxyden Expired - Fee Related DE69029571T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/479,769 US4983214A (en) 1990-02-13 1990-02-13 Method and apparatus for direct reduction of metal oxides

Publications (2)

Publication Number Publication Date
DE69029571D1 true DE69029571D1 (de) 1997-02-13
DE69029571T2 DE69029571T2 (de) 1997-04-24

Family

ID=23905348

Family Applications (2)

Application Number Title Priority Date Filing Date
DE199090120732T Pending DE442040T1 (de) 1990-02-13 1990-10-29 Verfahren und vorrichtung zur direktreduktion von metalloxyden.
DE69029571T Expired - Fee Related DE69029571T2 (de) 1990-02-13 1990-10-29 Verfahren und Vorrichtung zur Direktreduktion von Metalloxyden

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE199090120732T Pending DE442040T1 (de) 1990-02-13 1990-10-29 Verfahren und vorrichtung zur direktreduktion von metalloxyden.

Country Status (9)

Country Link
US (1) US4983214A (de)
EP (1) EP0442040B1 (de)
JP (1) JPH03243709A (de)
KR (1) KR910015704A (de)
AT (1) ATE147109T1 (de)
CA (1) CA2030083A1 (de)
DE (2) DE442040T1 (de)
ES (1) ES2026120T3 (de)
ZA (1) ZA91603B (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5851246A (en) * 1992-05-07 1998-12-22 Hylsa, S.A. De C.V. Apparatus for gasifying organic materials
US5656044A (en) * 1992-05-07 1997-08-12 Hylsa S.A. De C.V. Method and apparatus for gasification of organic materials
JPH0673384A (ja) * 1992-05-07 1994-03-15 Hylsa Sa 有機物質をガス化するための方法および装置
DE69522801T3 (de) * 1995-07-27 2008-08-14 Air Products And Chemicals, Inc. Verfahren zum Schmelzen von Aluminium, Schrott und Aluminiumrückständen
GB9523229D0 (en) * 1995-11-14 1996-01-17 Allied Dust Processing Ltd Method of processing finely divided material incorporating metal based constituents
ES2152480T3 (es) * 1995-12-11 2001-02-01 Sumitomo Heavy Industries Metodo y aparato para reciclar residuos de la industria de hierro y acero.
US5685524A (en) * 1996-01-16 1997-11-11 Chaparral Steel Company Direct ironmaking or steelmaking apparatus using self-reducing iron oxide pellets
DE69716566T2 (de) * 1996-05-13 2003-07-10 Matsushita Electric Industrial Co., Ltd. ENTSORGUNGSVORRICHTUNG FüR KUNSTSTOFFABFÄLLE
US6005149A (en) * 1998-08-18 1999-12-21 Engineering, Separation & Recycling, Ltd. Co. Method and apparatus for processing organic materials to produce chemical gases and carbon char
US6478841B1 (en) 2001-09-12 2002-11-12 Techint Technologies Inc. Integrated mini-mill for iron and steel making
CZ200975A3 (cs) 2009-02-10 2010-08-04 Raclavský@Milan Technologie rafinace kovonosných odpadu s obsahem zinku v rotacní peci
CN102564110A (zh) * 2010-12-07 2012-07-11 中铝国际技术发展有限公司 一种石灰回转窑
WO2012112585A2 (en) * 2011-02-14 2012-08-23 Magnetation, Inc Methods, systems and devices for making cold bonded agglomerates
JP5116883B1 (ja) * 2012-02-10 2013-01-09 株式会社 テツゲン 還元鉄の製造方法および製造装置
US9045696B2 (en) * 2012-04-18 2015-06-02 Peter Rugg System and method for purifying solid carboniferous fuels, using a rotary chamber, prior to chemical looping combustion
CN103673604A (zh) * 2012-09-26 2014-03-26 中国石油大学(北京) 变径式加热炉辐射炉管
GB2536046B (en) * 2015-03-05 2017-03-29 Standard Gas Ltd Pyrolysis retort methods and apparatus
CN105000561B (zh) * 2015-07-27 2017-01-25 于珊珊 一种碳化硅的冶炼设备及冶炼方法
CN106766870A (zh) * 2017-03-13 2017-05-31 云南驰宏锌锗股份有限公司 一种处理氧化铅锌矿的高效冶金回转窑
EP4161872A4 (de) * 2020-06-08 2024-03-06 Metso Metals Oy Anlage und verfahren zur behandlung von feststoffen
CN112301178B (zh) * 2020-11-10 2022-02-22 烟台市红森林节能环保科技有限公司 一种金属氧化物粉矿气基还原的装置和方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE125252C (de) *
DE263940C (de) *
US1871848A (en) * 1930-03-06 1932-08-16 Gustafsson Emil Gustaf Torvald Process for producing metal sponge
US2103131A (en) * 1935-04-12 1937-12-21 Irsugo Cons Mines Ltd Method of unlocking ore bodies to extract sulphur and iron therefrom
DE716025C (de) * 1938-06-02 1942-01-12 Krupp Fried Grusonwerk Ag Verfahren zur Reduktion von Eisenerzen im Drehrohrofen
US2526659A (en) * 1945-03-09 1950-10-24 Eugene S Harman Continuous smelting process
US2855290A (en) * 1956-04-04 1958-10-07 Freeman Corp Method of reducing iron oxide to sponge iron
US3235375A (en) * 1964-04-02 1966-02-15 Canada Steel Co Process for the reduction of iron oxide
JPS5324361B1 (de) * 1969-02-19 1978-07-20
JPS5137248B2 (de) * 1971-08-12 1976-10-14
US4389242A (en) * 1982-03-18 1983-06-21 The Direct Reduction Corporation Interior arrangement for direct reduction rotary kilns and method

Also Published As

Publication number Publication date
EP0442040B1 (de) 1997-01-02
KR910015704A (ko) 1991-09-30
DE442040T1 (de) 1992-02-06
JPH03243709A (ja) 1991-10-30
ZA91603B (en) 1991-10-30
US4983214A (en) 1991-01-08
DE69029571T2 (de) 1997-04-24
EP0442040A2 (de) 1991-08-21
EP0442040A3 (en) 1992-05-13
ATE147109T1 (de) 1997-01-15
ES2026120T3 (es) 1997-03-01
ES2026120T1 (es) 1992-04-16
CA2030083A1 (en) 1991-08-14

Similar Documents

Publication Publication Date Title
DE69029571D1 (de) Verfahren und Vorrichtung zur Direktreduktion von Metalloxyden
PL300672A1 (en) Method of and system for continuously preheating metallurgical furnace charge materials
AUPN644895A0 (en) Method and apparatus for waste treatment
CA2097234A1 (en) Method and apparatus for feeding reaction gases into a smelting furnace
GR3000321T3 (en) Kiln construction
DE58905214D1 (de) Drehofen zum trocknen und/oder mischen von rieselfaehigem material.
CA2209594A1 (en) Lime sludge feed arrangement
FI102163B1 (fi) Menetelmä ja laitteisto pulverimaisen materiaalin lämpökäsittelemiseksi
EP0704658A3 (de) Verfahren zur thermischen Behandlung von Abfallmaterial, insbesondere Müll, und Drehrohrofen zur Durchführung des Verfahrens
EP0712811A3 (de) Verfahren zur thermischen Entsorgung von Reststoffen
JPS5332978A (en) Treatment of disposals and apparatus therefor
JPS5223514A (en) Treatment method for metal melt
JPS51136511A (en) Sealing apparatus for heat treatment furnaces
JPS51132102A (en) A method of installing refractories for blast furnaces
JPS55124531A (en) Denitrification of waste gas from sintering furnace
NL8102612A (nl) Werkwijze voor het reinigen van reactieprodukten.
SU623059A1 (ru) Способ обезвреживани пастообразных отходов
PT94572A (pt) Processo e dispositivo de alimentacao de um queimador de lodo calcario
JPS525603A (en) A improved method of scraping out contents of blast furnaces
JPS51124667A (en) A dry denitration method for high-temperature exhaust gas discharged f rom metal heating furnaces and annealing furnaces
JPS52766A (en) Treatment process for nitrogen oxides
Heap Too little, too late?
JPS5238408A (en) Turning chute controll apparatus for blast furnaces
JPS53141168A (en) Process for reducing nitrogen oxide
ES2190698A1 (es) Horno de coccion de yeso y escayola de fuego directo y accion de coccion intermitente ciclica.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee