Arrangement and method for reducing build-up on a roasting furnace grate

Details for Australian Patent Application No. 2002237340 (hide)

Owner Outokumpu Oyj

Inventors Jarvi, Juha; Nyberg, Jens; Siirila, Heikki

Agent Griffith Hack

Pub. Number AU-B-2002237340

PCT Pub. Number WO2002/072894

Priority 20010474 09.03.01 FI

Filing date 8 March 2002

Wipo publication date 24 September 2002

Acceptance publication date 22 February 2007

International Classifications

C22B 1/04 (2006.01) Preliminary treatment of ores or scrap

C22B 1/10 (2006.01) Preliminary treatment of ores or scrap

C22B 19/02 (2006.01) Obtaining zinc or zinc oxide

F23C 10/20 (2006.01) Apparatus in which combustion takes place in a fluidised bed of fuel or other particles

F27B 15/00 (2006.01) Fluidised-bed furnaces

F27B 15/10 (2006.01) Fluidised-bed furnaces

F27D 7/02 (2006.01) Forming, maintaining, or circulating atmospheres in heating chambers

F27D 23/02 (2006.01)

Event Publications

20 March 2003 Application Open to Public Inspection

  Published as AU-B-2002237340

22 February 2007 Application Accepted

  Published as AU-B-2002237340

5 July 2007 Standard Patent Sealed

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