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:
Jul. 04, 2006
Filed:
Nov. 05, 2002
Erik Uppstu, Siivikkala, FI;
Erik Uppstu, Siivikkala, FI;
Oy Polyrec AB, Silvikkala, FI;
Abstract
The invention relates to a system for controlling the flow field in a soda recovery boiler, said soda recovery boiler comprising at least a furnace (), primary air ports () in the lower part of the furnace, so-called secondary combustion air ports () disposed above these, black liquor spray nozzles () placed similiarly above these and combustion air ports () disposed above the black liquor spray nozzles (). According to the invention, the soda recovery boiler is provided with substantially thin jets () supplying energy into the flow field and having a jet pressure in the nozzle equal to at least twice the jet pressure in the combustion air ports ().