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Title:
VERTICAL MELTING FURNACE, AIR FEED METHOD TO THE MELTING FURNACE, AND OPERATION METHOD FOR THE MELTING FURNACE
Document Type and Number:
Japanese Patent JP2003075068
Kind Code:
A
Abstract:

To provide a vertical melting furnace capable of producing and discharging a molten substance without stagnation by increasing the amounts of consumption of a fuel such as cokes and oxygen without successively raising the temperature in the vicinity of a twyer, and provide an air feed method to the vertical melting furnace, and an operation method for the vertical melting furnace.

In a vertical melting furnace in which a high temperature combustion zone 61 is formed at a lower portion in the furnace for melting a substance deposited in the furnace, a flow passage at a twyer 16 for blowing oxygen containing gas into the high temperature combustion zone 61 is divided into inside and outside passages.


Inventors:
MATSUURA MASAHIRO
MATSUDAIRA TSUNEO
TADAMI TOSHIHIRO
Application Number:
JP2001260059A
Publication Date:
March 12, 2003
Filing Date:
August 29, 2001
Export Citation:
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Assignee:
NIPPON KOKAN KK
International Classes:
F23G5/24; C22B9/02; F23G5/44; F23G5/50; F27B1/16; (IPC1-7): F27B1/16; C22B9/02; F23G5/24; F23G5/44; F23G5/50
Attorney, Agent or Firm:
Yasumitsu Nakahama