FI69647C - Foerfarande foer framstaellning och behandling av ferrokrom - Google Patents

Foerfarande foer framstaellning och behandling av ferrokrom Download PDF

Info

Publication number
FI69647C
FI69647C FI823523A FI823523A FI69647C FI 69647 C FI69647 C FI 69647C FI 823523 A FI823523 A FI 823523A FI 823523 A FI823523 A FI 823523A FI 69647 C FI69647 C FI 69647C
Authority
FI
Finland
Prior art keywords
slag
reaction zone
furnace
ferrochrome
metal
Prior art date
Application number
FI823523A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI823523A0 (fi
FI69647B (fi
FI823523L (fi
Inventor
Thomas Robert Curr
Nicholas Adrian Barcza
Original Assignee
Mineral Tech Council
Middelburg Steel & Alloys Pty
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 Mineral Tech Council, Middelburg Steel & Alloys Pty filed Critical Mineral Tech Council
Publication of FI823523A0 publication Critical patent/FI823523A0/fi
Publication of FI823523L publication Critical patent/FI823523L/fi
Application granted granted Critical
Publication of FI69647B publication Critical patent/FI69647B/fi
Publication of FI69647C publication Critical patent/FI69647C/fi

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
    • C21B13/12—Making spongy iron or liquid steel, by direct processes in electric furnaces
    • C21B13/125—By using plasma
    • 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
    • C22B4/00—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys
    • C22B4/005—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys using plasma jets
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C35/00—Master alloys for iron or steel
    • C22C35/005—Master alloys for iron or steel based on iron, e.g. ferro-alloys

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Hard Magnetic Materials (AREA)
  • Semiconductor Lasers (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Drying Of Semiconductors (AREA)
  • Manufacture Of Iron (AREA)
  • Furnace Details (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
FI823523A 1981-10-19 1982-10-15 Foerfarande foer framstaellning och behandling av ferrokrom FI69647C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA817210 1981-10-19
ZA8107210 1981-10-19

Publications (4)

Publication Number Publication Date
FI823523A0 FI823523A0 (fi) 1982-10-15
FI823523L FI823523L (fi) 1983-04-20
FI69647B FI69647B (fi) 1985-11-29
FI69647C true FI69647C (fi) 1986-03-10

Family

ID=25575705

Family Applications (1)

Application Number Title Priority Date Filing Date
FI823523A FI69647C (fi) 1981-10-19 1982-10-15 Foerfarande foer framstaellning och behandling av ferrokrom

Country Status (22)

Country Link
US (1) US4441921A (it)
JP (1) JPS58136746A (it)
AT (1) AT382640B (it)
AU (1) AU552070B2 (it)
BR (1) BR8206066A (it)
CA (1) CA1199498A (it)
DE (1) DE3238365A1 (it)
ES (1) ES8308932A1 (it)
FI (1) FI69647C (it)
FR (1) FR2514789B1 (it)
GB (1) GB2111532B (it)
GR (1) GR76910B (it)
IN (1) IN159762B (it)
IT (1) IT1153270B (it)
MX (1) MX160517A (it)
NO (1) NO157261C (it)
RO (1) RO89014A (it)
SE (1) SE460909B (it)
TR (1) TR21798A (it)
WO (1) WO1983001461A1 (it)
YU (1) YU42808B (it)
ZW (1) ZW22182A1 (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0791616B2 (ja) * 1987-05-12 1995-10-04 日新製鋼株式会社 半還元クロムペレットを用いたステンレス鋼の溶製方法
US5342589A (en) * 1992-09-22 1994-08-30 Minnesota Mining And Manufacturing Company Process for converting chromium dioxide magnetic pigment particles into nonmagnetic chromium (III) oxide
US9080235B2 (en) 2012-04-17 2015-07-14 Jamar International Corporation Composition and method for diffusion alloying of ferrocarbon workpiece

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL131703C (it) * 1960-08-01 1900-01-01
US3301669A (en) * 1964-02-27 1967-01-31 Vanadium Corp Of America Production of a high chromium containing ferrochrome
US3523021A (en) * 1967-05-23 1970-08-04 Spiridon Iosipovich Khitrik Method of refining ferrochrome
US3615349A (en) * 1968-01-10 1971-10-26 William Bleloch Production of alloys of iron
SE388210B (sv) * 1973-01-26 1976-09-27 Skf Svenska Kullagerfab Ab Sett vid reduktion av metall ur metalloxider
US3997333A (en) * 1975-02-26 1976-12-14 Westinghouse Electric Corporation Process for the reduction of complex metallic ores
CA1057960A (en) * 1975-02-26 1979-07-10 Westinghouse Electric Corporation Method of ore reduction with an arc heater
US3992193A (en) * 1975-03-10 1976-11-16 Westinghouse Electric Corporation Metal powder production by direct reduction in an arc heater
CA1055553A (en) * 1975-04-16 1979-05-29 Tibur Metals Ltd. Extended arc furnace and process for melting particulate charge therein
US4148628A (en) * 1977-02-18 1979-04-10 Toyo Soda Manufacturing Co., Ltd. Process of producing metallic chromium
SE429561B (sv) * 1980-06-10 1983-09-12 Skf Steel Eng Ab Sett for kontinuerlig framstellning av lagkolhaltiga kromstal av kromoxidhaltiga utgangsmaterial med hjelp av en plasmagenerator

Also Published As

Publication number Publication date
GR76910B (it) 1984-09-04
IT1153270B (it) 1987-01-14
US4441921A (en) 1984-04-10
YU233782A (en) 1985-03-20
ZW22182A1 (en) 1983-01-19
AT382640B (de) 1987-03-25
ES516605A0 (es) 1983-10-01
CA1199498A (en) 1986-01-21
DE3238365A1 (de) 1983-05-26
AU8928182A (en) 1983-04-28
GB2111532A (en) 1983-07-06
AU552070B2 (en) 1986-05-22
WO1983001461A1 (en) 1983-04-28
NO157261C (no) 1988-02-17
NO823424L (no) 1983-04-20
JPS58136746A (ja) 1983-08-13
IT8223822A0 (it) 1982-10-19
FI823523A0 (fi) 1982-10-15
YU42808B (en) 1988-12-31
FR2514789B1 (fr) 1986-05-09
SE8205894L (sv) 1983-04-20
NO157261B (no) 1987-11-09
ATA383882A (de) 1986-08-15
FI69647B (fi) 1985-11-29
IN159762B (it) 1987-06-06
BR8206066A (pt) 1983-09-13
RO89014A (ro) 1986-04-30
SE460909B (sv) 1989-12-04
MX160517A (es) 1990-03-15
JPH0432142B2 (it) 1992-05-28
ES8308932A1 (es) 1983-10-01
DE3238365C2 (it) 1987-04-02
FR2514789A1 (fr) 1983-04-22
SE8205894D0 (sv) 1982-10-18
FI823523L (fi) 1983-04-20
TR21798A (tr) 1985-07-17
GB2111532B (en) 1986-09-03

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Legal Events

Date Code Title Description
MA Patent expired

Owner name: COUNCIL FOR MINERAL TECHNOLOGY

Owner name: MIDDELBURG STEEL AND ALLOYS (PTY) LTD.