Title:
ROTARY HEARTH FURNACE
Document Type and Number:
WIPO Patent Application WO/2011/065547
Kind Code:
A1
Abstract:
Provided is a rotary hearth furnace which can stir exhaust gas within a furnace, to efficiently burn flammable gas within the exhaust gas and to efficiently heat an object to be heated, and which can contribute to reduction of specific energy consumption and improvement of productivity. A rotary hearth furnace (1) has therein a series of zone spaces (3) which are divided by vertical walls (2) hanging from a ceiling (1c). Among the zone spaces (3), the zone space to which an exhaust gas duct (4) is attached is constructed as an exhaust zone (3a). An oxygen-containing gas supply unit (5) is provided in the vicinity of the lower edge of the vertical wall (2) which divides the exhaust zone (3a) from the other zone spaces (3). Further, the exhaust gas duct (4) is disposed on the outer periphery side or the inner periphery side from the center of the width of the zone space (3).
Inventors:
TATEISHI MASATAKA
TSUTSUMI HIROFUMI
MIYAKAWA YUTAKA
YASO TADASHI
TSUTSUMI HIROFUMI
MIYAKAWA YUTAKA
YASO TADASHI
Application Number:
PCT/JP2010/071300
Publication Date:
June 03, 2011
Filing Date:
November 29, 2010
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
TATEISHI MASATAKA
TSUTSUMI HIROFUMI
MIYAKAWA YUTAKA
YASO TADASHI
TATEISHI MASATAKA
TSUTSUMI HIROFUMI
MIYAKAWA YUTAKA
YASO TADASHI
International Classes:
F27B9/16
Foreign References:
| JPH11248359A | 1999-09-14 | |||
| JP2002157023A | 2002-05-31 | |||
| JP2007147261A | 2007-06-14 |
Attorney, Agent or Firm:
OGURI Shohei et al. (JP)
Shohei Oguri (JP)
Shohei Oguri (JP)
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