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US3929463A - Method of carrying out endothermic metallurgical reduction processes with the aid of a continuously operating mechanical kiln - Google Patents

Method of carrying out endothermic metallurgical reduction processes with the aid of a continuously operating mechanical kiln Download PDF

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Publication number
US3929463A
US3929463A US430620A US43062074A US3929463A US 3929463 A US3929463 A US 3929463A US 430620 A US430620 A US 430620A US 43062074 A US43062074 A US 43062074A US 3929463 A US3929463 A US 3929463A
Authority
US
United States
Prior art keywords
kiln
reaction
charge
heat
air
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 - Lifetime
Application number
US430620A
Other languages
English (en)
Inventor
Karl Jonas Valter Svensson
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.)
MINPRO SWEDISH MINERAL PROCESSES PO BOX 333 S-717 03 STORA AB
Granges AB
Original Assignee
Granges AB
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 SE7300240A external-priority patent/SE368271B/xx
Application filed by Granges AB filed Critical Granges AB
Application granted granted Critical
Publication of US3929463A publication Critical patent/US3929463A/en
Assigned to MINPRO SWEDISH MINERAL PROCESSES AB, P.O. BOX 333, S-717 03 STORA, reassignment MINPRO SWEDISH MINERAL PROCESSES AB, P.O. BOX 333, S-717 03 STORA, ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: GRANGES AKTIEBOLAG A SWEDISH CORP
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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 specially adapted for rotary-drum furnaces
    • F27B7/2083—Arrangements for the melting of metals or the treatment of molten metals
    • 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
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/02—Obtaining nickel or cobalt by dry processes
    • C22B23/021—Obtaining nickel or cobalt by dry processes by reduction in solid state, e.g. by segregation processes
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Furnace Details (AREA)
  • Heat Treatment Of Articles (AREA)
US430620A 1973-01-09 1974-01-04 Method of carrying out endothermic metallurgical reduction processes with the aid of a continuously operating mechanical kiln Expired - Lifetime US3929463A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7300240A SE368271B (fr) 1973-01-09 1973-01-09
SE7300241 1973-01-09

Publications (1)

Publication Number Publication Date
US3929463A true US3929463A (en) 1975-12-30

Family

ID=26656330

Family Applications (1)

Application Number Title Priority Date Filing Date
US430620A Expired - Lifetime US3929463A (en) 1973-01-09 1974-01-04 Method of carrying out endothermic metallurgical reduction processes with the aid of a continuously operating mechanical kiln

Country Status (21)

Country Link
US (1) US3929463A (fr)
JP (1) JPS563512B2 (fr)
AR (1) AR202401A1 (fr)
BG (1) BG24962A3 (fr)
BR (1) BR7400082D0 (fr)
CA (1) CA1010664A (fr)
CH (1) CH612096A5 (fr)
DD (1) DD114099A5 (fr)
DE (1) DE2400426C2 (fr)
DK (1) DK143168C (fr)
ES (1) ES422132A1 (fr)
FI (1) FI58945C (fr)
FR (1) FR2323767A1 (fr)
IN (1) IN139574B (fr)
IT (1) IT1009088B (fr)
NL (1) NL7400124A (fr)
NO (1) NO138954C (fr)
OA (1) OA04585A (fr)
PH (1) PH11439A (fr)
RO (1) RO67613A (fr)
YU (1) YU36813B (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4439145A (en) * 1981-10-19 1984-03-27 Badger Die Casting Corp. Aluminum furnace and preheater therefor
US5660805A (en) * 1989-10-31 1997-08-26 E. I. Du Pont De Nemours And Company Method for beneficiating titanium-bearing material containing iron
US20110103998A1 (en) * 2007-10-26 2011-05-05 Ivan Ratchev Production of Nickel
US8518146B2 (en) 2009-06-29 2013-08-27 Gb Group Holdings Limited Metal reduction processes, metallurgical processes and products and apparatus
US11619447B2 (en) * 2017-10-25 2023-04-04 Finn Recycling Oy Thermal recovery or cleaning of sand

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3312029A1 (de) * 1983-04-02 1984-10-04 Krupp Polysius Ag, 4720 Beckum Verfahren zur herstellung von weisszement
US5096675A (en) * 1989-12-05 1992-03-17 Samsung Electron Devices Co., Ltd. Apparatus for continuous calcining in noxious gas
FR2666816B1 (fr) * 1990-09-13 1994-05-20 Air Liquide Installation de fonderie a fours rotatifs et procede d'exploitation.
JP6135306B2 (ja) * 2013-06-03 2017-05-31 住友金属鉱山株式会社 銅精製炉の排煙設備

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US799189A (en) * 1905-01-03 1905-09-12 Dexter Reynolds Producing wrought-iron sponge.
US987850A (en) * 1910-06-18 1911-03-28 William C Codd Process of treating ores.
US2132149A (en) * 1936-06-13 1938-10-04 Edwin Emil Producing metals
US2235154A (en) * 1939-02-28 1941-03-18 Arthur J Jones Method for the reduction of metallic oxides
US2462900A (en) * 1946-09-30 1949-03-01 John P Riott Reduction accelerator for the sponge iron rotary kiln process
US3113859A (en) * 1961-02-09 1963-12-10 R N Corp Methods for ore reduction and processing of other chemically reactive aggregates
US3206300A (en) * 1962-12-31 1965-09-14 Independence Foundation Process for reducing ore

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2948525A (en) * 1956-04-12 1960-08-09 Int Nickel Co Reduction kiln

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US799189A (en) * 1905-01-03 1905-09-12 Dexter Reynolds Producing wrought-iron sponge.
US987850A (en) * 1910-06-18 1911-03-28 William C Codd Process of treating ores.
US2132149A (en) * 1936-06-13 1938-10-04 Edwin Emil Producing metals
US2235154A (en) * 1939-02-28 1941-03-18 Arthur J Jones Method for the reduction of metallic oxides
US2462900A (en) * 1946-09-30 1949-03-01 John P Riott Reduction accelerator for the sponge iron rotary kiln process
US3113859A (en) * 1961-02-09 1963-12-10 R N Corp Methods for ore reduction and processing of other chemically reactive aggregates
US3206300A (en) * 1962-12-31 1965-09-14 Independence Foundation Process for reducing ore

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4439145A (en) * 1981-10-19 1984-03-27 Badger Die Casting Corp. Aluminum furnace and preheater therefor
US5660805A (en) * 1989-10-31 1997-08-26 E. I. Du Pont De Nemours And Company Method for beneficiating titanium-bearing material containing iron
US20110103998A1 (en) * 2007-10-26 2011-05-05 Ivan Ratchev Production of Nickel
US8518146B2 (en) 2009-06-29 2013-08-27 Gb Group Holdings Limited Metal reduction processes, metallurgical processes and products and apparatus
US11619447B2 (en) * 2017-10-25 2023-04-04 Finn Recycling Oy Thermal recovery or cleaning of sand

Also Published As

Publication number Publication date
NO138954B (no) 1978-09-04
YU36813B (en) 1984-08-31
NO138954C (no) 1978-12-13
CA1010664A (en) 1977-05-24
YU4674A (en) 1981-11-13
DK143168C (da) 1982-01-11
BG24962A3 (en) 1978-06-15
FR2323767A1 (fr) 1977-04-08
FI58945C (fi) 1981-05-11
DE2400426C2 (de) 1983-10-13
PH11439A (en) 1978-02-01
DE2400426A1 (de) 1974-07-11
NL7400124A (fr) 1974-07-11
AU6422874A (en) 1975-07-10
CH612096A5 (fr) 1979-07-13
DD114099A5 (fr) 1975-07-12
JPS563512B2 (fr) 1981-01-26
FR2323767B1 (fr) 1978-03-31
IN139574B (fr) 1976-07-03
JPS4998705A (fr) 1974-09-18
IT1009088B (it) 1976-12-10
RO67613A (fr) 1982-05-10
OA04585A (fr) 1980-06-30
FI58945B (fi) 1981-01-30
NO740052L (no) 1974-07-10
AR202401A1 (es) 1975-06-06
DK143168B (da) 1981-07-06
ES422132A1 (es) 1977-01-01
BR7400082D0 (pt) 1974-08-22

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Legal Events

Date Code Title Description
AS Assignment

Owner name: MINPRO SWEDISH MINERAL PROCESSES AB, P.O. BOX 333,

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:GRANGES AKTIEBOLAG A SWEDISH CORP;REEL/FRAME:004272/0507

Effective date: 19840528