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:
Oct. 09, 2001
Filed:
Mar. 01, 2000
Hirofumi Okazaki, Hitachinaka, JP;
Hironobu Kobayashi, Hitachi, JP;
Toshikazu Tsumura, Kure, JP;
Kenji Kiyama, Kure, JP;
Tadashi Jinbo, Kure, JP;
Koji Kuramashi, Kure, JP;
Shigeki Morita, Hiroshima, JP;
Shinichiro Nomura, Kure, JP;
Miki Shimogori, Kure, JP;
Other;
Abstract
A burner for burning fine coal powder comprising: a fine coal powder nozzle,for injecting a mixture of the fine coal powder and air; and air nozzles,for injecting air: wherein the sufficient amount of air for complete combustion of the fine coal powder is supplied from the air nozzles; a reducing flame at a high temperature is formed by consuming oxygen rapidly with forming a flame at a high temperature by igniting the fine coal powder rapidly in the vicinity of the outlet of the burner; and an oxidizing flame having an uniform distribution of gas composition in radial direction to the central axis of the burner is formed by mixing the air injected from the air nozzle in the downstream of the reducing flame at the high temperature.