FR2143764A1 - - Google Patents

Info

Publication number
FR2143764A1
FR2143764A1 FR7223077A FR7223077A FR2143764A1 FR 2143764 A1 FR2143764 A1 FR 2143764A1 FR 7223077 A FR7223077 A FR 7223077A FR 7223077 A FR7223077 A FR 7223077A FR 2143764 A1 FR2143764 A1 FR 2143764A1
Authority
FR
France
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.)
Granted
Application number
FR7223077A
Other languages
French (fr)
Other versions
FR2143764B1 (OSRAM
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.)
Mannesmann Demag AG
Rheinbraun AG
Original Assignee
Demag AG
Rheinische Braunkohlenwerke AG
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
Priority claimed from DE19712131876 external-priority patent/DE2131876C3/de
Application filed by Demag AG, Rheinische Braunkohlenwerke AG filed Critical Demag AG
Publication of FR2143764A1 publication Critical patent/FR2143764A1/fr
Application granted granted Critical
Publication of FR2143764B1 publication Critical patent/FR2143764B1/fr
Expired 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
    • 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
    • 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
    • C21B2100/66—Heat exchange
    • 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)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Iron (AREA)
FR7223077A 1971-06-26 1972-06-26 Expired FR2143764B1 (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712131876 DE2131876C3 (de) 1971-06-26 Verfahren und Einrichtung zum Reduzieren von Metallerzen, insbesondere zur Erzeugung von Eisenschwamm aus Eisenerz, in einem Schachtofen

Publications (2)

Publication Number Publication Date
FR2143764A1 true FR2143764A1 (OSRAM) 1973-02-09
FR2143764B1 FR2143764B1 (OSRAM) 1976-01-16

Family

ID=5811911

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7223077A Expired FR2143764B1 (OSRAM) 1971-06-26 1972-06-26

Country Status (3)

Country Link
US (1) US3827878A (OSRAM)
FR (1) FR2143764B1 (OSRAM)
GB (1) GB1404826A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0828127A1 (en) * 1996-09-06 1998-03-11 Demag Italimpianti S.P.A. Rotary hearth furnace

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5952682B2 (ja) * 1979-01-19 1984-12-21 石川島播磨重工業株式会社 鉄鉱石等の還元方法及び装置
US11835073B2 (en) 2019-07-02 2023-12-05 Coulter Ventures, Llc. Clamping device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0828127A1 (en) * 1996-09-06 1998-03-11 Demag Italimpianti S.P.A. Rotary hearth furnace
US5899688A (en) * 1996-09-06 1999-05-04 Demag Italimpianti S.P.A. Rotary hearth furnace

Also Published As

Publication number Publication date
GB1404826A (en) 1975-09-03
US3827878A (en) 1974-08-06
DE2131876B2 (de) 1973-11-15
FR2143764B1 (OSRAM) 1976-01-16
DE2131876A1 (de) 1973-01-18

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Legal Events

Date Code Title Description
ST Notification of lapse