IT996352B - IMPROVEMENT IN ROTARY FURNACES FOR THE REDUCTION OF MINERALS - Google Patents

IMPROVEMENT IN ROTARY FURNACES FOR THE REDUCTION OF MINERALS

Info

Publication number
IT996352B
IT996352B IT53436/73A IT5343673A IT996352B IT 996352 B IT996352 B IT 996352B IT 53436/73 A IT53436/73 A IT 53436/73A IT 5343673 A IT5343673 A IT 5343673A IT 996352 B IT996352 B IT 996352B
Authority
IT
Italy
Prior art keywords
minerals
improvement
reduction
rotary furnaces
furnaces
Prior art date
Application number
IT53436/73A
Other languages
Italian (it)
Original Assignee
Allis Chalmers
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 Allis Chalmers filed Critical Allis Chalmers
Application granted granted Critical
Publication of IT996352B publication Critical patent/IT996352B/en

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
    • C21B13/08—Making spongy iron or liquid steel, by direct processes in rotary furnaces
    • 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
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
    • F27B7/36—Arrangements of air or gas supply devices
    • F27B7/362—Introducing gas into the drum axially or through the wall
    • 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
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
    • F27B7/36—Arrangements of air or gas supply devices
    • F27B7/362—Introducing gas into the drum axially or through the wall
    • F27B2007/367—Introducing gas into the drum axially or through the wall transversally through the wall of the drum
    • 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
    • F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
    • F27D7/02—Supplying steam, vapour, gases, or liquids
    • F27D2007/026—Dampers
    • 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
    • F27D19/00—Arrangements of controlling devices
    • F27D2019/0028—Regulation
    • F27D2019/0068—Regulation involving a measured inflow of a particular gas in the enclosure
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
  • Manufacture Of Iron (AREA)
  • Furnace Details (AREA)
IT53436/73A 1972-10-31 1973-10-30 IMPROVEMENT IN ROTARY FURNACES FOR THE REDUCTION OF MINERALS IT996352B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US30260672A 1972-10-31 1972-10-31

Publications (1)

Publication Number Publication Date
IT996352B true IT996352B (en) 1975-12-10

Family

ID=23168481

Family Applications (1)

Application Number Title Priority Date Filing Date
IT53436/73A IT996352B (en) 1972-10-31 1973-10-30 IMPROVEMENT IN ROTARY FURNACES FOR THE REDUCTION OF MINERALS

Country Status (15)

Country Link
US (1) US3794483A (en)
JP (1) JPS5232723B2 (en)
AU (1) AU465274B2 (en)
BR (1) BR7308532D0 (en)
CA (1) CA989611A (en)
ES (1) ES420116A1 (en)
FR (1) FR2205182A5 (en)
GB (1) GB1448263A (en)
IN (1) IN140689B (en)
IT (1) IT996352B (en)
NL (1) NL7314873A (en)
NO (1) NO134768C (en)
OA (1) OA04566A (en)
SE (1) SE402128B (en)
ZA (1) ZA738405B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH609443A5 (en) * 1976-04-15 1979-02-28 Soreb Societe Pour La Rech L E Method for forced blowing of fluids making possible physical or chemical exchanges in a mass of material in movement
US4070149A (en) * 1976-07-23 1978-01-24 Allis-Chalmers Corporation Controllable distribution system for rotary kiln
DE2728561C3 (en) * 1976-08-06 1981-02-05 Gosudarstvennyj Vsesojuznyj Nautschno-Issledovatelskij Institut Cementnoj Promyschlennosti Niicement, Moskau Setting for controlling mechanisms arranged on a rotating unit, in particular jacket gas nozzles on a rotary kiln
FR2399722A1 (en) * 1977-08-04 1979-03-02 Aimants Ugimag Sa Magnetic mounting tape for papers - has flexible magnet and ferromagnetic material folding together to grip paper
US4208181A (en) * 1978-11-13 1980-06-17 Allis-Chalmers Corporation Liquid metering and distribution arrangement for rotary reactor
US4209292A (en) * 1978-11-13 1980-06-24 Allis-Chalmers Corporation Fluid storage and distribution arrangement mounted on rotary reactor
US4214707A (en) * 1979-07-23 1980-07-29 Allis-Chalmers Corporation Trap-port for rotary kilns
JPS56100622U (en) * 1979-12-28 1981-08-07
US4373908A (en) * 1981-11-23 1983-02-15 Allis-Chalmers Corporation Kiln shell nozzle with annular fluid delivery
US4373909A (en) * 1981-11-23 1983-02-15 Allis-Chalmers Corporation Gas injecting kiln shell nozzle with particle entry barriers
US4591362A (en) * 1984-04-06 1986-05-27 Phillips Petroleum Company Fluid injection method
US6221127B1 (en) 1999-11-10 2001-04-24 Svedala Industries, Inc. Method of pyroprocessing mineral ore material for reducing combustion NOx
US6474984B2 (en) 2000-11-20 2002-11-05 Metso Minerals Industries, Inc. Air injection for nitrogen oxide reduction and improved product quality
US6568653B1 (en) 2002-01-15 2003-05-27 Metso Minerals Industries, Inc. Butterfly valve actuation system for ported kiln
AT504452B1 (en) * 2006-10-19 2008-08-15 Holcim Ltd METHOD FOR INTRODUCING WASTE MATERIALS AND / OR ALTERNATIVE FUELS INTO A PIPE MANUFACTURING METHOD AND DEVICE FOR CARRYING OUT THIS METHOD

Also Published As

Publication number Publication date
SE402128B (en) 1978-06-19
OA04566A (en) 1980-05-31
NL7314873A (en) 1974-05-02
IN140689B (en) 1976-12-11
JPS5232723B2 (en) 1977-08-23
AU6187173A (en) 1975-05-01
DE2354604B2 (en) 1975-09-04
DE2354604A1 (en) 1974-05-09
ZA738405B (en) 1975-06-25
BR7308532D0 (en) 1974-08-15
GB1448263A (en) 1976-09-02
JPS4976707A (en) 1974-07-24
US3794483A (en) 1974-02-26
AU465274B2 (en) 1975-09-25
FR2205182A5 (en) 1974-05-24
NO134768B (en) 1976-08-30
NO134768C (en) 1976-12-08
CA989611A (en) 1976-05-25
ES420116A1 (en) 1976-07-01

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