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:
Nov. 21, 2017
Filed:
Apr. 24, 2013
Ihi Corporation, Koto-ku, Tokyo, JP;
Masato Tamura, Tokyo, JP;
Ryunosuke Itokazu, Tokyo, JP;
IHI Corporation, Tokyo, JP;
Abstract
A burner comprises a nozzle main body () which is installed along a central axis of a throat () provided on a furnace wall () and comprises an inner nozzle () in which an auxiliary combustion air () flows and an outer nozzle () which is provided on an outer side and concentrically with the inner nozzle and in which a pulverized coal mixed flow () obtained by mixing a carrying medium with a pulverized coal flow, a wind box () for accommodating the nozzle main body, a secondary air regulator () accommodated in the wind box and provided at a tip portion of the nozzle main body, an auxiliary combustion air intake pipe () for introducing a combustion air as an auxiliary combustion air () into the inner nozzle from the wind box, a pulverized coal flow supply pipe () for introducing a pulverized coal mixed flow into the outer nozzle, and an oxygen-containing gas supply pipe () for supplying an oxygen-containing gas () to the pulverized coal mixed flow and raising the oxygen concentration in the pulverized coal mixed flow.