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:
May. 21, 2013
Filed:
Mar. 01, 2007
Toshiro Fujimori, Koto-ku, JP;
Hidehisa Tani, Koto-ku, JP;
Toshiyuki Suda, Koto-ku, JP;
Yoshiaki Matsuzawa, Koto-ku, JP;
Kenichiro Kondo, Koto-ku, JP;
Toshiro Fujimori, Koto-ku, JP;
Hidehisa Tani, Koto-ku, JP;
Toshiyuki Suda, Koto-ku, JP;
Yoshiaki Matsuzawa, Koto-ku, JP;
Kenichiro Kondo, Koto-ku, JP;
IHI Corporation, Tokyo, JP;
Abstract
Provided is a fluidized bed gasification method wherein an amount of solid particles to be circulated in a fluidized bed combustion furnace is controlled to enhance gasification efficiency in the furnace. It is the fluidized bed gasification method with fluidized bed combustion and gasification furnacesand, char and solid particles produced upon gasification of raw materialin the gasification furnacebeing circulated to the combustion furnace. A circulated amount of the solid particles in the combustion furnace is controlled by varying the same in a range of 6 to 30 with respect to an air flow rate, thereby facilitating heat transmission to the raw material