GB1347785A - Method of reducing particulate metal ores - Google Patents

Method of reducing particulate metal ores

Info

Publication number
GB1347785A
GB1347785A GB3064371A GB3064371A GB1347785A GB 1347785 A GB1347785 A GB 1347785A GB 3064371 A GB3064371 A GB 3064371A GB 3064371 A GB3064371 A GB 3064371A GB 1347785 A GB1347785 A GB 1347785A
Authority
GB
United Kingdom
Prior art keywords
zone
cooling gas
cooling
reducing
gas
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
GB3064371A
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.)
Fierro Esponja SA
Original Assignee
Fierro Esponja SA
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 Fierro Esponja SA filed Critical Fierro Esponja SA
Publication of GB1347785A publication Critical patent/GB1347785A/en
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
    • C21B13/0073—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
    • C21B2100/40—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
    • 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 And Refinement Of Metals (AREA)
GB3064371A 1970-07-15 1971-06-30 Method of reducing particulate metal ores Expired GB1347785A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5516170A 1970-07-15 1970-07-15
US9861270A 1970-12-16 1970-12-16

Publications (1)

Publication Number Publication Date
GB1347785A true GB1347785A (en) 1974-02-27

Family

ID=26733913

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3064371A Expired GB1347785A (en) 1970-07-15 1971-06-30 Method of reducing particulate metal ores

Country Status (13)

Country Link
JP (1) JPS5126884B1 (nl)
AR (1) AR202079A1 (nl)
AU (1) AU453409B2 (nl)
BE (1) BE769976A (nl)
CA (1) CA949319A (nl)
DE (1) DE2134959C3 (nl)
ES (1) ES393256A1 (nl)
FR (1) FR2098429B1 (nl)
GB (1) GB1347785A (nl)
IL (1) IL37227A (nl)
IT (1) IT944683B (nl)
LU (1) LU63538A1 (nl)
NL (1) NL157351B (nl)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3890142A (en) * 1973-10-16 1975-06-17 Fierro Esponja Method for gaseous reduction of metal ores
AU496945B2 (en) * 1975-05-19 1978-11-16 Midrex International B.V. Rotterdam Producing metallized product
US4224057A (en) * 1979-08-20 1980-09-23 Hylsa, S.A. Method for carburizing sponge iron
US4338123A (en) * 1981-02-23 1982-07-06 Hylsa, S.A. Method and apparatus for the reduction of metal ores
US5064467A (en) * 1987-11-02 1991-11-12 C.V.G. Siderurgica Del Orinoco, C.A. Method and apparatus for the direct reduction of iron
CA2090906A1 (en) * 1992-03-05 1993-09-06 Corporacion Venezolana De Guayana (Cvg) Method for improving quality of reforming gas used in the direct reduction of metal oxides

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE966459C (de) * 1952-06-29 1957-08-08 Paul Hahnel Dr Ing Verfahren zur oxydierenden und reduzierenden Behandlung oxydischer Erze in Schachtoefen

Also Published As

Publication number Publication date
JPS5126884B1 (nl) 1976-08-09
IT944683B (it) 1973-04-20
LU63538A1 (nl) 1972-04-04
NL7109764A (nl) 1972-01-18
CA949319A (en) 1974-06-18
ES393256A1 (es) 1974-10-01
DE2134959A1 (de) 1972-01-27
AU3114471A (en) 1973-01-18
DE2134959C3 (de) 1979-04-26
IL37227A (en) 1974-06-30
FR2098429A1 (nl) 1972-03-10
AU453409B2 (en) 1974-10-03
DE2134959B2 (de) 1978-09-07
AR202079A1 (es) 1975-05-15
NL157351B (nl) 1978-07-17
FR2098429B1 (nl) 1978-09-29
BE769976A (fr) 1972-01-14
IL37227A0 (en) 1971-10-20

Similar Documents

Publication Publication Date Title
US4054444A (en) Method for controlling the carbon content of directly reduced iron
US3765872A (en) Method and apparatus for the gaseous reduction of iron ore to sponge iron
GB1446660A (en) Process for reducing iron oxide to metallic sponge iron with liquid or solid fuels
GB1373048A (en) Method and apparatus for reducing particulate metal ores to sponge iron
US4224057A (en) Method for carburizing sponge iron
US3827879A (en) Method for the gaseous reduction of metal ores
GB1347785A (en) Method of reducing particulate metal ores
US3816102A (en) Method and apparatus for reducing particulate metal ores to sponge metal and cooling the reduced metal
US4002422A (en) Packed bed heat exchanger
US3189437A (en) Process for roasting by fluidization, more particularly for magnetizing roasting
CA1143574A (en) Method and apparatus for the secondary gaseous reduction of metal ores
ES431089A1 (es) Un metodo para la reduccion gaseosa intermitente de oxidos de metal.
JPH0246645B2 (nl)
GB1118077A (en) Process of reducing metal oxide to metal
US3311466A (en) Reduction of metal oxides
US2030627A (en) Process of making iron oxide and sulphur dioxide from iron sulphide ores
US3799521A (en) Method and apparatus for the gaseous reduction of iron ore to sponge iron
GB1247417A (en) Method of blast furnace reduction of iron ores
US3282677A (en) Method of manufacturing iron by low temperature reduction with use of methane gas
US2625463A (en) Method for producing hydrogen cyanide
US1695953A (en) Method of preheating the charge in shaft furnaces
US1921212A (en) Operation of furnaces
US3003863A (en) Sintering of endothermic materials
US3889864A (en) Method and apparatus for reducing particulate metal ores to sponge iron
US3511642A (en) Fluid iron ore reduction with inverse temperature staging

Legal Events

Date Code Title Description
414F Notice of opposition given (sect. 14/1949)
429A Application made for amendment of specification (sect. 29/1949)
414A Case decided by the comptroller ** specification amended (sect. 14/1949)
429H Application (made) for amendment of specification now open to opposition (sect. 29/1949)
429D Case decided by the comptroller ** specification amended (sect. 29/1949)
PS Patent sealed [section 19, patents act 1949]
SP Amendment (slips) printed
PCNP Patent ceased through non-payment of renewal fee