The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 01, 2020
Filed:
May. 12, 2017
Applicant:
Outotec (Finland) Oy, Espoo, FI;
Inventors:
Markku Lahtinen, Espoo, FI;
Lauri P. Pesonen, Helsinki, FI;
Tapio Ahokainen, Helsinki, FI;
Peter Bjorklund, Espoo, FI;
Assignee:
Outotec (Finland) Oy, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F27D 19/00 (2006.01); F27B 1/16 (2006.01); F27B 1/20 (2006.01); F27D 3/00 (2006.01); F27D 3/14 (2006.01); F27D 3/16 (2006.01); F27B 1/26 (2006.01);
U.S. Cl.
CPC ...
F27D 19/00 (2013.01); F27B 1/16 (2013.01); F27B 1/20 (2013.01); F27B 1/26 (2013.01); F27D 3/0033 (2013.01); F27D 3/14 (2013.01); F27D 3/16 (2013.01); F27D 2019/0068 (2013.01); F27D 2019/0075 (2013.01);
Abstract
The invention relates to a method for controlling suspension in a suspension smelting furnace. The method comprises feeding additionally to pulverous solid matter and additionally to reaction gas reducing agent into the suspension smelting furnace, wherein reducing agent is fed in the form of a concentrated stream of reducing agent through the suspension in the reaction shaft onto the surface of the melt to form a reducing zone containing reducing agent within the collection zone of the melt.