EA201590779A1 - TWO-SPEED MELTING METHOD AND DEVICE - Google Patents

TWO-SPEED MELTING METHOD AND DEVICE

Info

Publication number
EA201590779A1
EA201590779A1 EA201590779A EA201590779A EA201590779A1 EA 201590779 A1 EA201590779 A1 EA 201590779A1 EA 201590779 A EA201590779 A EA 201590779A EA 201590779 A EA201590779 A EA 201590779A EA 201590779 A1 EA201590779 A1 EA 201590779A1
Authority
EA
Eurasian Patent Office
Prior art keywords
metal
preheating
melting
raw material
containing raw
Prior art date
Application number
EA201590779A
Other languages
Russian (ru)
Other versions
EA030240B1 (en
Inventor
Родни Джеймс ДРАЙ
Жак ПИЛОТ
Original Assignee
Текнолоджикал Ресорсиз Пти. Лимитед
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 AU2012904912A external-priority patent/AU2012904912A0/en
Application filed by Текнолоджикал Ресорсиз Пти. Лимитед filed Critical Текнолоджикал Ресорсиз Пти. Лимитед
Publication of EA201590779A1 publication Critical patent/EA201590779A1/en
Publication of EA030240B1 publication Critical patent/EA030240B1/en

Links

Classifications

    • 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
    • F27D13/00—Apparatus for preheating charges; Arrangements for preheating charges
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B11/00—Making pig-iron other than in blast furnaces
    • C21B11/08—Making pig-iron other than in blast furnaces in 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
    • C21B13/0006—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
    • 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
    • C21B9/00—Stoves for heating the blast in blast furnaces
    • C21B9/14—Preheating the combustion air
    • 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
    • F27B19/00—Combinations of furnaces of kinds not covered by a single preceding main group
    • F27B19/04—Combinations of furnaces of kinds not covered by a single preceding main group arranged for associated working
    • 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
    • F27D17/004—Systems for reclaiming waste heat

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Furnace Details (AREA)
  • Manufacture Of Iron (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)

Abstract

Двухступенчатый способ плавки на основе плавильной ванны для получения расплавленного металла из металлосодержащего исходного материала включает: (а) предварительный нагрев металлосодержащего исходного материала в устройстве для предварительного нагрева и (b) нагнетание предварительно нагретого металлосодержащего исходного материала и твердого углеродистого материала в плавильную ванну плавильного сосуда и плавку металлосодержащего исходного материала в плавильной ванне и формирование расплавленного металла и отходящего газа. Способ включает охлаждение и очистку отходящего газа из плавильного сосуда и получение топливного газа. Этап (а) предварительного нагрева включает предварительный нагрев металлосодержащего исходного материала путем образования тепла с помощью сгорания по меньшей мере части топливного газа, который подводят на этап предварительного нагрева при температуре менее 300°С.A two-step melting method based on a melting bath to produce molten metal from a metal-containing raw material includes: (a) preheating the metal-containing source material in a preheating device; melting the metal-containing raw material in the smelting bath and the formation of molten metal and exhaust gas. The method includes cooling and cleaning the exhaust gas from the melting vessel and producing fuel gas. The preheating step (a) involves preheating the metal-containing raw material by generating heat by burning at least a portion of the fuel gas, which is fed to the preheating step at a temperature of less than 300 ° C.

EA201590779A 2012-11-12 2013-11-12 Two-stage smelting process and apparatus EA030240B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2012904912A AU2012904912A0 (en) 2012-11-12 A Two-Stage Smelting Process and Apparatus
PCT/AU2013/001301 WO2014071464A1 (en) 2012-11-12 2013-11-12 A two-stage smelting process and apparatus

Publications (2)

Publication Number Publication Date
EA201590779A1 true EA201590779A1 (en) 2015-10-30
EA030240B1 EA030240B1 (en) 2018-07-31

Family

ID=50683839

Family Applications (1)

Application Number Title Priority Date Filing Date
EA201590779A EA030240B1 (en) 2012-11-12 2013-11-12 Two-stage smelting process and apparatus

Country Status (6)

Country Link
JP (1) JP2016502598A (en)
KR (1) KR20150082345A (en)
CN (1) CN104870656B (en)
CA (1) CA2890267A1 (en)
EA (1) EA030240B1 (en)
WO (1) WO2014071464A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019185865A1 (en) * 2018-03-30 2019-10-03 Tata Steel Nederland Technology B.V. Direct smelting process with full combustion

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPO944697A0 (en) * 1997-09-26 1997-10-16 Technological Resources Pty Limited A method of producing metals and metal alloys
UA85217C2 (en) * 2004-01-30 2009-01-12 ТЕКНОЛОДЖИКАЛ РЕСОРСИЗ ПиТиВай. ЛИМИТЕД METHOD AND device FOR producing of iron-containing PRODUCTS
CN1721562B (en) * 2004-06-23 2010-12-08 技术资源有限公司 Direct melting method and device
CN101473050B (en) * 2006-04-24 2013-07-03 技术资源有限公司 Pressure control in direct smelting process

Also Published As

Publication number Publication date
CN104870656B (en) 2018-05-04
KR20150082345A (en) 2015-07-15
WO2014071464A1 (en) 2014-05-15
JP2016502598A (en) 2016-01-28
CA2890267A1 (en) 2014-05-15
CN104870656A (en) 2015-08-26
EA030240B1 (en) 2018-07-31

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Legal Events

Date Code Title Description
MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AM AZ BY KZ KG TJ TM RU