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:
Jan. 14, 2003
Filed:
Mar. 31, 1999
Junya Nakatani, Kobe, JP;
Yoshio Uchiyama, Akashi, JP;
Eiji Inoue, Kobe, JP;
Torakatsu Miyashita, Kobe, JP;
Other;
Abstract
Iron carbide is produced by an apparatus comprising first fluidized bed reactor and second fluidized bed reactor , wherein the charged grainy iron oxide is reduced and carburized by the high temperature and high pressure gas being introduced from the bottom of the reactor. Both fluidized bed reactors comprise chamber for introducing gas into the reactor, distribution plate having multiple gas-introducing nozzles , partition plate partitioning the fluidized bed into plural division rooms, and gas supply inlet arranged on chamber for supplying gas to specific division room respectively. Each gas supply inlet is connected to gas supply line having a gas flow control valve for controlling gas pressure or gas flow rate.