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
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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)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (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 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)
JP (1) JPS563512B2 (enrdf_load_stackoverflow)
AR (1) AR202401A1 (enrdf_load_stackoverflow)
BG (1) BG24962A3 (enrdf_load_stackoverflow)
BR (1) BR7400082D0 (enrdf_load_stackoverflow)
CA (1) CA1010664A (enrdf_load_stackoverflow)
CH (1) CH612096A5 (enrdf_load_stackoverflow)
DD (1) DD114099A5 (enrdf_load_stackoverflow)
DE (1) DE2400426C2 (enrdf_load_stackoverflow)
DK (1) DK143168C (enrdf_load_stackoverflow)
ES (1) ES422132A1 (enrdf_load_stackoverflow)
FI (1) FI58945C (enrdf_load_stackoverflow)
FR (1) FR2323767A1 (enrdf_load_stackoverflow)
IN (1) IN139574B (enrdf_load_stackoverflow)
IT (1) IT1009088B (enrdf_load_stackoverflow)
NL (1) NL7400124A (enrdf_load_stackoverflow)
NO (1) NO138954C (enrdf_load_stackoverflow)
OA (1) OA04585A (enrdf_load_stackoverflow)
PH (1) PH11439A (enrdf_load_stackoverflow)
RO (1) RO67613A (enrdf_load_stackoverflow)
YU (1) YU36813B (enrdf_load_stackoverflow)

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

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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