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:
Mar. 12, 2013
Filed:
Oct. 20, 2010
Tetsuma Tatsumi, Hitachinaka, JP;
Masayuki Taniguchi, Hitachinaka, JP;
Tsuyoshi Shibata, Hitachiota, JP;
Yoshiharu Hayashi, Hitachinaka, JP;
Tetsuma Tatsumi, Hitachinaka, JP;
Masayuki Taniguchi, Hitachinaka, JP;
Tsuyoshi Shibata, Hitachiota, JP;
Yoshiharu Hayashi, Hitachinaka, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A method for retrofitting a pulverized coal boiler in an air combustion boiler system is disclosed, which has a plurality of burners over a plurality of stages along the vertical direction on a wall surface of a furnace of the pulverized coal boiler and an after-air port for introducing air for two-stage combustion located above the burners to retrofit into a two-stage combustion pulverized coal boiler in an oxyfuel combustion boiler system.