ES484139A1 - Perfeccionamiento en los procedimientos de reduccion a re- ductor solido, de oxidos metalicos en hornos e retorta, e - instalacion para su realizacion. - Google Patents

Perfeccionamiento en los procedimientos de reduccion a re- ductor solido, de oxidos metalicos en hornos e retorta, e - instalacion para su realizacion.

Info

Publication number
ES484139A1
ES484139A1 ES484139A ES484139A ES484139A1 ES 484139 A1 ES484139 A1 ES 484139A1 ES 484139 A ES484139 A ES 484139A ES 484139 A ES484139 A ES 484139A ES 484139 A1 ES484139 A1 ES 484139A1
Authority
ES
Spain
Prior art keywords
retort
reduction
charge
outlet
metal oxides
Prior art date
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.)
Expired
Application number
ES484139A
Other languages
English (en)
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.)
Danieli and C Officine Meccaniche SpA
Original Assignee
Danieli and C Officine Meccaniche SpA
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 Danieli and C Officine Meccaniche SpA filed Critical Danieli and C Officine Meccaniche SpA
Publication of ES484139A1 publication Critical patent/ES484139A1/es
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
    • 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
    • C21B13/04—Making spongy iron or liquid steel, by direct processes in retorts
    • 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
    • C22B5/10—Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing agents
    • 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)
  • Mechanical Engineering (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)

Abstract

Perfeccionamientos en los procedimientos de reducción a reductor sólido de óxidos metálicos en hornos de retorta, mediante el flujo del gas de la retorta en equi-corriente parcial o total con la carga, con la correspondiente instalación para la aplicación de procedimiento, caracterizado por el hecho de hacer fluir los productos de reacción, al menos parcialmente, en equi-corriente con la impulsión de la carga.
ES484139A 1978-09-19 1979-09-13 Perfeccionamiento en los procedimientos de reduccion a re- ductor solido, de oxidos metalicos en hornos e retorta, e - instalacion para su realizacion. Expired ES484139A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT6915378A IT1109109B (it) 1978-09-19 1978-09-19 Perfezionamento ai procedimenti di riduzione a riducente solido di ossidi metallici in forni a storte mediante flusso dei gas di storta in equicorrente parziale o totale con la carica ed impianto per la attuazione del procedimento

Publications (1)

Publication Number Publication Date
ES484139A1 true ES484139A1 (es) 1980-10-01

Family

ID=11311452

Family Applications (1)

Application Number Title Priority Date Filing Date
ES484139A Expired ES484139A1 (es) 1978-09-19 1979-09-13 Perfeccionamiento en los procedimientos de reduccion a re- ductor solido, de oxidos metalicos en hornos e retorta, e - instalacion para su realizacion.

Country Status (9)

Country Link
AU (1) AU5034079A (es)
DD (1) DD146190A5 (es)
DE (1) DE2935466A1 (es)
ES (1) ES484139A1 (es)
FR (1) FR2436822A1 (es)
GB (1) GB2034755A (es)
IT (1) IT1109109B (es)
SE (1) SE7906778L (es)
ZA (1) ZA794281B (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT366718B (de) * 1980-08-08 1982-05-10 Voest Alpine Ag Verfahren zur entzinkung von oxydischen eisentr[gern sowie vorrichtung zur durchfuehrung dieses verfahrens
AT367798B (de) * 1980-08-08 1982-07-26 Voest Alpine Ag Verfahren zur direktreduktion von eisentraegern sowie vorrichtung zur durchfuehrung des verfahrens
MX162727A (es) * 1984-03-15 1991-06-20 Hylsa Sa Metodo y aparato mejorados para producir hierro con una estrutura parecida a esponja a partir de particulas de oxido de hierro
CN115029494B (zh) * 2022-06-21 2023-12-12 首钢集团有限公司 一种反应罐、氢还原系统以及氢还原方法

Also Published As

Publication number Publication date
SE7906778L (sv) 1980-03-20
FR2436822B3 (es) 1981-06-26
ZA794281B (en) 1980-10-29
GB2034755A (en) 1980-06-11
DE2935466A1 (de) 1980-04-24
IT1109109B (it) 1985-12-16
AU5034079A (en) 1980-03-27
IT7869153A0 (it) 1978-09-13
FR2436822A1 (fr) 1980-04-18
DD146190A5 (de) 1981-01-28

Similar Documents

Publication Publication Date Title
US4025604A (en) Method of removing nitrogen oxides from exhaust gas by reduction
DE3274651D1 (en) Process for removing sulfur compounds from gases
JPS56127332A (en) Continuous manufacture of triacetin
US3214264A (en) Treatment of metal oxides
ES484139A1 (es) Perfeccionamiento en los procedimientos de reduccion a re- ductor solido, de oxidos metalicos en hornos e retorta, e - instalacion para su realizacion.
CA1083327A (en) Method of removing nitrogen oxides from an exhaust
TW334353B (en) Improved acid gas emission control
AU557971B2 (en) Binder-free hot briquittes of iron oxide or sponge iron
US4049777A (en) Method of waste gas treatment
ZA851355B (en) Process for desulphuring a fuel gas containing sulphur
GB1524987A (en) Method for gaseous reduction of metal ores
JPS5240415A (en) Process for preventing generation of sulfuric acid mist in sintering u nit for iron ore
US3224750A (en) Recovery of combustible gases in ferro-metallurgical processes
EP0386505A3 (en) Process for eliminating noxious gases from gases and moving bed reactor for executing the process
JPS5641306A (en) Iron making method by direct reduction of iron oxide
ES368673A1 (es) Procedimiento y aparato para reducir oxido de hierro.
JPS5269902A (en) Prevention of spontaneous heat evolution of heaped coal
CA1074124A (en) Sponge iron production process
JPS51112475A (en) Apparatus for demitration using a gas-stream catalytic reactor
JPS57204225A (en) Method for preheating fine particulate stock material
US3353997A (en) Process for removing waste material from chlorosilane synthesis reactors
JPS5591905A (en) Using method for reducing agent in rotary kiln
JPS5453696A (en) Reforming method for molten blast furnace slag
Batra et al. Volumetric Techniques for the Reduction Studies of Iron Ore Beds
JPS5776766A (en) Fuel cell powder generator