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:
Jan. 05, 2010
Filed:
Apr. 21, 2006
Kari Saviharju, Espoo, FI;
Jorma Simonen, Roswell, GA (US);
Olli Arpalahti, Varkaus, FI;
Lasse Koivisto, Varkaus, FI;
Kari Saviharju, Espoo, FI;
Jorma Simonen, Roswell, GA (US);
Olli Arpalahti, Varkaus, FI;
Lasse Koivisto, Varkaus, FI;
Andritz Oy, Helsinki, FI;
Abstract
A spent liquor recovery boiler in the pulp and paper industry including a water/steam circulation system having superheaters, the circulation system connected to a steam turbine comprising a high-pressure part, and a furnace for burning spent liquor to produce flue gases, and including an upper portion through which the flue gases flow, wherein the steam/water circulation system of the recovery boiler is provided with a reheater for reheating steam from the high-pressure part of the turbine.