NO143994C - Fremgangsmaate ved fremstilling av metalliserte pellets ved gassreduksjon av jernoxydpartikler i en sjaktovn - Google Patents

Fremgangsmaate ved fremstilling av metalliserte pellets ved gassreduksjon av jernoxydpartikler i en sjaktovn

Info

Publication number
NO143994C
NO143994C NO761312A NO761312A NO143994C NO 143994 C NO143994 C NO 143994C NO 761312 A NO761312 A NO 761312A NO 761312 A NO761312 A NO 761312A NO 143994 C NO143994 C NO 143994C
Authority
NO
Norway
Prior art keywords
chef
oven
particles
procedure
manufacture
Prior art date
Application number
NO761312A
Other languages
English (en)
Norwegian (no)
Other versions
NO761312L (index.php
NO143994B (no
Inventor
Stephen Waslo
Original Assignee
Uss Eng & Consult
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 Uss Eng & Consult filed Critical Uss Eng & Consult
Publication of NO761312L publication Critical patent/NO761312L/no
Publication of NO143994B publication Critical patent/NO143994B/no
Publication of NO143994C publication Critical patent/NO143994C/no

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
    • C21B13/0073—Selection or treatment of the reducing gases
    • 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
    • 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
    • C21B2100/60—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
    • 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 Of Iron (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Compounds Of Iron (AREA)
NO761312A 1975-04-15 1976-04-14 Fremgangsmaate ved fremstilling av metalliserte pellets ved gassreduksjon av jernoxydpartikler i en sjaktovn NO143994C (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US56833275A 1975-04-15 1975-04-15
US05/644,249 US4017305A (en) 1975-04-15 1975-12-24 Process for heat hardening

Publications (3)

Publication Number Publication Date
NO761312L NO761312L (index.php) 1976-10-18
NO143994B NO143994B (no) 1981-02-16
NO143994C true NO143994C (no) 1981-05-27

Family

ID=27074751

Family Applications (1)

Application Number Title Priority Date Filing Date
NO761312A NO143994C (no) 1975-04-15 1976-04-14 Fremgangsmaate ved fremstilling av metalliserte pellets ved gassreduksjon av jernoxydpartikler i en sjaktovn

Country Status (7)

Country Link
US (1) US4017305A (index.php)
AU (1) AU504493B2 (index.php)
BR (1) BR7602248A (index.php)
CA (1) CA1088315A (index.php)
DE (1) DE2616468A1 (index.php)
GB (1) GB1548240A (index.php)
NO (1) NO143994C (index.php)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4201571A (en) * 1978-08-15 1980-05-06 Midrex Corporation Method for the direct reduction of iron and production of fuel gas using gas from coal
JPS55113819A (en) * 1979-02-26 1980-09-02 Kawasaki Heavy Ind Ltd Method and apparatus for direct reduction iron making
US4216011A (en) * 1979-04-23 1980-08-05 Hylsa, S.A. Method and apparatus for the secondary gaseous reduction of metal ores
US4331470A (en) * 1980-09-15 1982-05-25 Midrex Corporation Method for the direct reduction of iron in a shaft furnace using gas from coal
US4365789A (en) * 1980-09-15 1982-12-28 Midrex Corporation Apparatus for the direct reduction of iron in a shaft furnace using gas from coal
CN111961784B (zh) * 2020-08-31 2021-09-07 山东大学 一种铁矿粉鼓泡床还原反应的方法与系统

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3160498A (en) * 1960-06-29 1964-12-08 Armco Steel Corp Fluidized iron ore reduction process and apparatus
US3850616A (en) * 1973-10-29 1974-11-26 Armco Steel Corp Inert gas seal for product discharge from a shaft furnace

Also Published As

Publication number Publication date
GB1548240A (en) 1979-07-04
DE2616468A1 (de) 1976-11-04
US4017305A (en) 1977-04-12
AU1228576A (en) 1977-09-29
AU504493B2 (en) 1979-10-18
CA1088315A (en) 1980-10-28
BR7602248A (pt) 1976-10-12
NO761312L (index.php) 1976-10-18
NO143994B (no) 1981-02-16

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