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
  • C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
  • C21B13/0013—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide into a bath of molten iron containing a carbon reductant
  • C21B13/002—Reduction of iron ores by passing through a heated column of carbon
• • 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
  • C22B5/00—General methods of reducing to metals
  • C22B5/02—Dry methods smelting of sulfides or formation of mattes
  • C22B5/12—Dry methods smelting of sulfides or formation of mattes by gases
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F27—FURNACES; KILNS; OVENS; RETORTS
  • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
  • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
  • F27D17/20—Arrangements for treatment or cleaning of waste gases
  • F27D17/22—Arrangements for treatment or cleaning of waste gases for removing solid constituents
  • F27D17/25—Arrangements for treatment or cleaning of waste gases for removing solid constituents using cyclones
• • 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
  • C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
  • C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
• • C—CHEMISTRY; METALLURGY
  • C21—METALLURGY OF IRON
  • C21B—MANUFACTURE OF IRON OR STEEL
  • C21B2200/00—Recycling of non-gaseous waste material

Landscapes

• Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Manufacturing & Machinery (AREA)
• Materials Engineering (AREA)
• Metallurgy (AREA)
• Organic Chemistry (AREA)
• Mechanical Engineering (AREA)
• Environmental & Geological Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Manufacture And Refinement Of Metals (AREA)
• Manufacture Of Iron (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=3541877

Family Applications (1)

Country Status (16)

Families Citing this family (3)

Family Cites Families (4)

• 1986
  • 1986-10-30 AT AT0288786A patent/AT386007B/en not_active IP Right Cessation
• 1987
  • 1987-10-19 IN IN911/DEL/87A patent/IN171251B/en unknown
  • 1987-10-21 AU AU80004/87A patent/AU597119B2/en not_active Ceased
  • 1987-10-23 DE DE19873735965 patent/DE3735965A1/en active Granted
  • 1987-10-26 ZA ZA878021A patent/ZA878021B/en unknown
  • 1987-10-27 SK SK7689-87A patent/SK278936B6/en unknown
  • 1987-10-27 CZ CS877689A patent/CZ279400B6/en not_active IP Right Cessation
  • 1987-10-28 DD DD87308360A patent/DD262677A5/en unknown
  • 1987-10-28 CA CA000550403A patent/CA1327274C/en not_active Expired - Fee Related
  • 1987-10-29 SU SU874203623A patent/SU1547713A3/en active
  • 1987-10-29 JP JP62274591A patent/JP2572085B2/en not_active Expired - Lifetime
  • 1987-10-29 BR BR8705782A patent/BR8705782A/en not_active IP Right Cessation
  • 1987-10-29 UA UA4203623A patent/UA2124A1/en unknown
  • 1987-10-30 CN CN87107202A patent/CN1011894B/en not_active Expired
  • 1987-10-30 PH PH36004A patent/PH26200A/en unknown
  • 1987-10-30 KR KR1019870012076A patent/KR950001910B1/en not_active IP Right Cessation

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