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Title:
PARTIAL REDUCTION FURNACE
Document Type and Number:
WIPO Patent Application WO/2011/158337
Kind Code:
A1
Abstract:
A partial reduction furnace (100) is provided with: a lattice-like grate (111) that can travel along a horizontal direction; a windbox (112) arranged so as to cover the lower portion of the grate (111); and a feed nozzle (113) and feed blower (114) connected to the windbox (112) and for feeding combustion gas to the interior of the windbox (112). The partial reduction furnace (100) is provided with louvers (116A, 116B) installed on the windbox (112) along a horizontal direction so as to separate the grate (111) and the feed nozzle (113), and causing a drop in pressure in the combustion gas (1) from the feed nozzle (113).

Inventors:
KAMIKAWA Susumu (INC. Hiroshima Works, 6-22, Kan-on-shin-machi 4-chome, Nishi-ku, Hiroshima-sh, Hiroshima 53, 〒7338553, JP)
神川 進 (〒53 広島県広島市西区観音新町四丁目6番22号 三菱日立製鉄機械株式会社 広島事業所内 Hiroshima, 〒7338553, JP)
NAKAJIMA Hiroshi (MITSUBISHI HEAVY INDUSTRIES LTD., 6-22 Kan-on-shin-machi 4-chome, Nishi-ku, Hiroshima-sh, Hiroshima 53, 〒7338553, JP)
中嶋 宏 (〒53 広島県広島市西区観音新町四丁目6番22号 三菱重工業株式会社 広島研究所内 Hiroshima, 〒7338553, JP)
Application Number:
JP2010/060158
Publication Date:
December 22, 2011
Filing Date:
June 16, 2010
Export Citation:
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Assignee:
MITSUBISHI-HITACHI METALS MACHINERY, INC. (34-6, Shiba 5-chome Minato-ku Tokyo, 14, 〒1080014, JP)
三菱日立製鉄機械株式会社 (〒14 東京都港区芝五丁目34番6号 Tokyo, 〒1080014, JP)
KAMIKAWA Susumu (INC. Hiroshima Works, 6-22, Kan-on-shin-machi 4-chome, Nishi-ku, Hiroshima-sh, Hiroshima 53, 〒7338553, JP)
神川 進 (〒53 広島県広島市西区観音新町四丁目6番22号 三菱日立製鉄機械株式会社 広島事業所内 Hiroshima, 〒7338553, JP)
NAKAJIMA Hiroshi (MITSUBISHI HEAVY INDUSTRIES LTD., 6-22 Kan-on-shin-machi 4-chome, Nishi-ku, Hiroshima-sh, Hiroshima 53, 〒7338553, JP)
International Classes:
F27B21/08; F27B21/00
Attorney, Agent or Firm:
MITSUISHI Toshiro et al. (Mitsuishi Law and Patent Office, 9-15 Akasaka 1-chome, Minato-k, Tokyo 52, 〒1070052, JP)
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Claims: