TW442645B - Multistage furnace with gas evacuation - Google Patents

Multistage furnace with gas evacuation Download PDF

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Publication number
TW442645B
TW442645B TW89107539A TW89107539A TW442645B TW 442645 B TW442645 B TW 442645B TW 89107539 A TW89107539 A TW 89107539A TW 89107539 A TW89107539 A TW 89107539A TW 442645 B TW442645 B TW 442645B
Authority
TW
Taiwan
Prior art keywords
stage
exhaust pipe
intermediate chamber
patent application
scope
Prior art date
Application number
TW89107539A
Other languages
English (en)
Chinese (zh)
Inventor
Romain Frieden
Thomas Hansmann
Marc Solvi
Original Assignee
Wurth Paul Sa
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 Wurth Paul Sa filed Critical Wurth Paul Sa
Application granted granted Critical
Publication of TW442645B publication Critical patent/TW442645B/zh

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Classifications

    • 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
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/16—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a circular or arcuate path
    • F27B9/18—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a circular or arcuate path under the action of scrapers or pushers
    • F27B9/185—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a circular or arcuate path under the action of scrapers or pushers multiple hearth type 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
    • C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/001—Dry processes
    • 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)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Tunnel Furnaces (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
TW89107539A 2000-02-28 2000-04-21 Multistage furnace with gas evacuation TW442645B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU90534A LU90534B1 (fr) 2000-02-28 2000-02-28 Four multi--tages avec -vacuation de gaz

Publications (1)

Publication Number Publication Date
TW442645B true TW442645B (en) 2001-06-23

Family

ID=19731874

Family Applications (1)

Application Number Title Priority Date Filing Date
TW89107539A TW442645B (en) 2000-02-28 2000-04-21 Multistage furnace with gas evacuation

Country Status (4)

Country Link
AU (1) AU2001237394A1 (fr)
LU (1) LU90534B1 (fr)
TW (1) TW442645B (fr)
WO (1) WO2001065192A1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1338873A (fr) * 1962-06-04 1963-10-04 Comite Central De Fabricants D Four pour le traitement thermique des agglomérés combustibles ou charbons classés
US3658309A (en) * 1970-08-03 1972-04-25 Sherritt Gordon Mines Ltd Temperature control of ore in multiple hearth furnace
CA1031565A (fr) * 1974-07-18 1978-05-23 Charles F. Von Dreusche (Jr.) Appareil et methode pour la repartition des pieces destinees au traitement sur une sole de four
JP2944704B2 (ja) * 1990-04-13 1999-09-06 株式会社チサキ 塊状物焼成炉
US5018458A (en) * 1990-09-12 1991-05-28 Zimpro Passavant Environmental Systems, Inc. Furnace combustion zone temperature control method
ES2130040B1 (es) * 1996-04-29 1999-12-01 Olmos Ibanez Desamparados Procedimiento para la recuperacion de aluminio y energia a partir de envases usados tipo "tetrabrick" y horno para realizarlo.
SK8672000A3 (en) * 1997-12-10 2000-12-11 Wurth Paul Sa Method for producing directly reduced iron in a layered furnace

Also Published As

Publication number Publication date
WO2001065192A1 (fr) 2001-09-07
AU2001237394A1 (en) 2001-09-12
LU90534B1 (fr) 2001-08-29

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GD4A Issue of patent certificate for granted invention patent
MM4A Annulment or lapse of patent due to non-payment of fees