Title:
シャフト炉
Document Type and Number:
Japanese Patent JP4467796
Kind Code:
B2
Abstract:
The invention relates to a shaft furnace, in particular a direct-reduction shaft furnace, with a charge composed of particulate material, in particular a particulate material containing iron oxide and/or sponge iron, the said material being capable of being fed into the shaft furnace from above, and with, arranged in one plane, a multiplicity of gas-inlet orifices for a reduction gas in the region of the lower third of the shaft furnace, the shaft contour having a diametral widening and a cavity being formed between the gas-inlet orifices and the charge. The shaft furnace according to the invention makes it possible to supply gas to the shaft furnace so as to be distributed uniformly over its circumference.
Inventors:
Leopold Weener Keplinger
Reiner Walter Kastner
Kurt Wieder
Wilhelm Schiffer
Wilhelm Stastony
Reiner Walter Kastner
Kurt Wieder
Wilhelm Schiffer
Wilhelm Stastony
Application Number:
JP2000565198A
Publication Date:
May 26, 2010
Filing Date:
July 12, 1999
Export Citation:
Assignee:
Siemens Fauey Metals Technologies GmbH
International Classes:
C21B13/02; F27B1/10; F27B1/16
Domestic Patent References:
| JP63166911A | ||||
| JP54163710A | ||||
| JP49029204A | ||||
| JP46003703A | ||||
| JP57082417A | ||||
| JP56077308A | ||||
| JP51140813A | ||||
| JP2001501673A | ||||
| JP2001522937A | ||||
| JP2002511906A | ||||
| JP61261411A | ||||
| JP51005328B1 | ||||
| JP63000410A | ||||
| JP61003813A |
Foreign References:
| WO1997047773A1 | ||||
| DE3422185A1 | ||||
| US3816101 | ||||
| US4046557 |
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Takashi Watanabe
Masakazu Aoyama
Suzuki Mitsuyoshi
Kazuya Nishi
Yasuhiko Murayama
Shinya Mitsuhiro
Tadashi Takahashi
Takashi Watanabe
Masakazu Aoyama
Suzuki Mitsuyoshi
Kazuya Nishi
Yasuhiko Murayama
Shinya Mitsuhiro