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:
Jul. 11, 2017
Filed:
Oct. 31, 2012
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Keigo Matsumoto, Tokyo, JP;
Kazuhiro Domoto, Tokyo, JP;
Naofumi Abe, Tokyo, JP;
Jun Kasai, Tokyo, JP;
MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo, JP;
Abstract
An oil-fired burner (A) for warming, disposed adjacent to the outer periphery of a pulverized coal burner which inputs pulverized coal and air into a furnace, includes: an oil gun () for inputting an oil fuel disposed at the center of an outlet opening of a nozzle main body () substantially rectangular in cross-section; and a secondary air input port () disposed so as to surround the outer periphery of the oil gun (), wherein the secondary air input port () is constituted of: a central arc section () substantially similar in shape to a circular diffuser () mounted on the leading end side of the oil gun (); and rectangular sections (L,R) provided continuously from both sides of the central arc section () and narrowed in face-to-face dimension in the direction of the adjacent pulverized coal burners so as to increase the distance from them.