[go: up one dir, main page]

ZA200303332B - Method for reducing build-up on a roasting furnace grate. - Google Patents

Method for reducing build-up on a roasting furnace grate.

Info

Publication number
ZA200303332B
ZA200303332B ZA200303332A ZA200303332A ZA200303332B ZA 200303332 B ZA200303332 B ZA 200303332B ZA 200303332 A ZA200303332 A ZA 200303332A ZA 200303332 A ZA200303332 A ZA 200303332A ZA 200303332 B ZA200303332 B ZA 200303332B
Authority
ZA
South Africa
Prior art keywords
concentrate
fed
grate
gas
furnace
Prior art date
Application number
ZA200303332A
Other languages
English (en)
Inventor
Pekka Taskinen
Maija-Leena Metsarinta
Juha Jarvi
Jens Nyberg
Heikki Siirila
Original Assignee
Outokumpu Oy
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 Outokumpu Oy filed Critical Outokumpu Oy
Publication of ZA200303332B publication Critical patent/ZA200303332B/xx

Links

Classifications

    • 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
    • C22B19/00—Obtaining zinc or zinc oxide
    • C22B19/02—Preliminary treatment of ores; Preliminary refining of zinc oxide
    • 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/02—Roasting processes
    • C22B1/10—Roasting processes in fluidised form

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Soy Sauces And Products Related Thereto (AREA)
  • Luminescent Compositions (AREA)
  • Baking, Grill, Roasting (AREA)
  • Vehicle Waterproofing, Decoration, And Sanitation Devices (AREA)
  • Cleaning In General (AREA)
ZA200303332A 2000-11-15 2003-04-30 Method for reducing build-up on a roasting furnace grate. ZA200303332B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20002496A FI20002496A0 (fi) 2000-11-15 2000-11-15 Menetelmä kasvannaisen vähentämiseksi pasutusuunin arinalla

Publications (1)

Publication Number Publication Date
ZA200303332B true ZA200303332B (en) 2004-02-19

Family

ID=8559495

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200303332A ZA200303332B (en) 2000-11-15 2003-04-30 Method for reducing build-up on a roasting furnace grate.

Country Status (18)

Country Link
US (1) US7044996B2 (fr)
EP (1) EP1339882B1 (fr)
JP (1) JP2004514058A (fr)
KR (1) KR100836546B1 (fr)
CN (1) CN1217019C (fr)
AT (1) ATE339529T1 (fr)
AU (2) AU1506502A (fr)
BR (1) BR0115314B1 (fr)
CA (1) CA2427393A1 (fr)
DE (1) DE60123110T2 (fr)
EA (1) EA004778B1 (fr)
ES (1) ES2272552T3 (fr)
FI (1) FI20002496A0 (fr)
MX (1) MXPA03004270A (fr)
NO (1) NO20032058D0 (fr)
PE (1) PE20020713A1 (fr)
WO (1) WO2002040724A1 (fr)
ZA (1) ZA200303332B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10319626A1 (de) * 2003-05-02 2004-11-25 Outokumpu Oyj Verfahren und Anlage zur Wärmebehandlung von Feststoffen in einem Wirbelschichtreaktor
US8906121B2 (en) * 2007-09-12 2014-12-09 Synthesis Energy Systems, Inc. Fluidized beds, sizing of fluidized medium inlet holes and methods of fluidizing
US10745777B2 (en) 2017-10-13 2020-08-18 Praxair Technology, Inc Oxygen injection in fluid bed ore concentrate roasting

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2825628A (en) * 1952-12-12 1958-03-04 Basf Ag Production of gases containing sulfur dioxide
US2813015A (en) 1954-04-30 1957-11-12 Falconbridge Nickel Mines Ltd Method of roasting metal sulfide concentrates in a fluidized bed
SU455232A1 (ru) * 1972-01-17 1974-12-30 Донецкий научно-исследовательский институт черной металлургии Способ обжига зернистого материала
US4409101A (en) * 1981-11-16 1983-10-11 Moskousky Institut Stali I Splavov Fluidized bed apparatus
FI860660L (fi) * 1986-02-13 1987-08-14 Seppo Kalervo Ruottu Foerfarande foer reglering av gasstroemmars blandning.
SU1659501A1 (ru) * 1989-03-24 1991-06-30 Комбинат "Североникель" им.В.И.Ленина Способ автоматического управлени процессом обжига никелевого концентрата с оборотами в кип щем слое
RU1797681C (ru) * 1990-10-02 1993-02-23 ПО "Никель" Способ автоматического управлени процессом обжига никелевого концентрата с оборотами в кип щем слое
FI109606B (fi) * 2000-03-16 2002-09-13 Outokumpu Oy Menetelmä pasutusuunin säätämiseksi
FI112535B (fi) * 2001-03-09 2003-12-15 Outokumpu Oy Laitteisto ja menetelmä kasvannaisen vähentämiseksi pasutusuunin arinalla

Also Published As

Publication number Publication date
EA200300562A1 (ru) 2003-12-25
KR20030048147A (ko) 2003-06-18
ES2272552T3 (es) 2007-05-01
ATE339529T1 (de) 2006-10-15
EP1339882B1 (fr) 2006-09-13
NO20032058L (no) 2003-05-08
FI20002496A0 (fi) 2000-11-15
AU1506502A (en) 2002-05-27
US7044996B2 (en) 2006-05-16
BR0115314A (pt) 2003-10-21
WO2002040724A1 (fr) 2002-05-23
CN1217019C (zh) 2005-08-31
NO20032058D0 (no) 2003-05-08
EA004778B1 (ru) 2004-08-26
DE60123110T2 (de) 2007-01-04
JP2004514058A (ja) 2004-05-13
KR100836546B1 (ko) 2008-06-10
EP1339882A1 (fr) 2003-09-03
US20040060393A1 (en) 2004-04-01
DE60123110D1 (de) 2006-10-26
PE20020713A1 (es) 2002-09-17
BR0115314B1 (pt) 2010-07-27
MXPA03004270A (es) 2003-09-22
CA2427393A1 (fr) 2002-05-23
AU2002215065B2 (en) 2006-11-30
CN1474878A (zh) 2004-02-11
WO2002040724A8 (fr) 2003-02-20

Similar Documents

Publication Publication Date Title
CA2412530A1 (fr) Procede et installation pour la reduction indirecte de minerais en particules contenant des oxydes
PL348728A1 (en) Method and apparatus in a fluidized bed reactor
AU1506502A (en) Method for reducing build-up on a roasting furnace grate
CA2408026A1 (fr) Procede et dispositif pour incinerer des dechets organiques
MXPA03008115A (es) Metodo y arreglo para reducir acumulaciones en una parrilla de un horno de tostado.
ZA200609571B (en) A direct reduction process and apparatus
WO2002055744A3 (fr) Procede de production d'un melange de minerai de fer et de semi-coke
EA200601980A1 (ru) Способ прямого восстановления
BG107913A (bg) Метод и съоръжение за подаване на твърд материал и окислителен газ в суспензионна топилна пещ
TW200611980A (en) A direct reduction process
AU1506402A (en) Method for the stabilization of a fluidized bed in a roasting furnace
AU4659501A (en) Method for regulating a roasting furnace
MY129453A (en) Gasification apparatus and method of operating the same.
MXPA02012754A (es) Proceso para la reduccion de mena fina y planta para llevar a cabo el proceso.
FR2837720B1 (fr) Procede pour regenerer un substrat mineral de filtration
LU90182B1 (en) Method for producing directly reduced iron in a multi-tier furnace