Title:
BURNER WITH IMAGING DEVICE, ELECTRIC FURNACE PROVIDED WITH SAID BURNER, AND METHOD FOR MANUFACTURING MOLTEN IRON USING SAID ELECTRIC FURNACE
Document Type and Number:
WIPO Patent Application WO/2022/172768
Kind Code:
A1
Abstract:
The purpose of the present invention is to clearly observe the situation in a furnace in which matter subject to heating is heated with a burner. A burner having a multiple tube structure that has: a lens; an imaging device; an inner tube enclosing the lens; an outer tube enclosing the inner tube across a lens cooling medium passage; a gas fuel tube for injecting a gas fuel, and a fuel-supporting gas tube for injecting a fuel-supporting gas, on the radially outer side of the outer tube; and a cooling tube that encloses the gas fuel tube and the fuel-supporting gas tube and that is provided on the outermost part.
Inventors:
MIWA YOSHIHIRO (JP)
TSUTSUMI KOICHI (JP)
OKUYAMA GORO (JP)
TSUTSUMI KOICHI (JP)
OKUYAMA GORO (JP)
Application Number:
PCT/JP2022/003172
Publication Date:
August 18, 2022
Filing Date:
January 27, 2022
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
C21C5/52; F23D14/22; F23D14/78; F23D99/00; F23M11/04; F27B3/20; F27D3/16
Domestic Patent References:
| WO2016120943A1 | 2016-08-04 | |||
| WO2018074166A1 | 2018-04-26 | |||
| WO2006035570A1 | 2006-04-06 | |||
| WO2014007153A1 | 2014-01-09 |
Foreign References:
| CN105043123A | 2015-11-11 | |||
| JPH0539078U | 1993-05-25 | |||
| JPS61718Y2 | 1986-01-10 | |||
| JPS5036299B1 | 1975-11-22 | |||
| JPH109524A | 1998-01-16 | |||
| JPH07103670A | 1995-04-18 |
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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