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. 20, 1990
Filed:
Feb. 27, 1989
Applicant:
Inventors:
Shuzo Fukuda, Yokohama, JP;
Masahiro Abe, Yokohama, JP;
Shiro Fukunaka, Fukuyama, JP;
Michio Nakayama, Kawasaki, JP;
Koichiro Arima, Tama, JP;
Shunichi Sugiyama, Yokohama, JP;
Koji Matsui, Yokohama, JP;
Assignee:
Nippon Kokan Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23D / ; F23D / ;
U.S. Cl.
CPC ...
431351 ; 431-9 ; 431116 ; 431353 ; 431173 ; 431182 ; 431185 ;
Abstract
A burner for directly flaming steel making materials to accomplish reduction without oxidation, wherein the burner comprises a plurality of combustion air outlets spaced circumferentially of the inner wall of a tubular burner tile, and fuel gas outlets disposed centrally of the burner tile, and wherein the combustion air outlets and fuel gas outlets are formed and disposed with specified jetting angles and distances to produce burning without oxidation.