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:
Jun. 21, 2016
Filed:
Dec. 27, 2005
Pertti Petänen, Tampere, FI;
Kari Mäkelä, Kangasala, FI;
Kari Kuukkanen, Tampere, FI;
Ari Kokko, Charlotte, NC (US);
Pertti Petänen, Tampere, FI;
Kari Mäkelä, Kangasala, FI;
Kari Kuukkanen, Tampere, FI;
Ari Kokko, Charlotte, NC (US);
Valmet Technologies Oy, Espoo, FI;
Abstract
A method for reducing corrosion of a superheater of a steam boiler. The superheater includes a superheater piping. The superheating piping includes a steam pipe where the steam to be superheated is directed. The steam pipe is separated by a protective shell having a surface settling in the flue gas space has a temperature that rises above an upper critical temperature, above which temperature in the flue gas space the compounds from the fuel are substantially in a gaseous form. A superheater of a steam boiler and a circulating fluidized bed boiler.