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Title:
SOLID FUEL BURNER AND SOLID FUEL BOILER
Document Type and Number:
WIPO Patent Application WO/2011/074281
Kind Code:
A1
Abstract:
Provided is a solid fuel burner wherein a high-temperature oxygen remaining area formed on the outer periphery of flame is suppressed so that the final NOx generation can be reduced. A solid fuel burner (20) is used at a burner portion of a solid fuel boiler divided into the burner portion and an additional air charging portion, to perform a low NOx combustion, and charges granular solid fuel and air into a furnace. The solid fuel burner is provided with a fuel burner (21) in which flame is maintained, and a secondary air charging port (30) in which flame is not maintained. The air ratio of the fuel burner (21) is set at 0.85 or more.

Inventors:
MATSUMOTO, Keigo (C/O MITSUBISHI HEAVY INDUSTRIES LTD, 16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
松本 啓吾 (〒15 東京都港区港南二丁目16番5号 三菱重工業株式会社内 Tokyo, 〒1088215, JP)
FUJIMURA, Koutaro (C/O MITSUBISHI HEAVY INDUSTRIES LTD, 16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
藤村 皓太郎 (〒15 東京都港区港南二丁目16番5号 三菱重工業株式会社内 Tokyo, 〒1088215, JP)
DOMOTO, Kazuhiro (C/O MITSUBISHI HEAVY INDUSTRIES LTD, 16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
堂本 和宏 (〒15 東京都港区港南二丁目16番5号 三菱重工業株式会社内 Tokyo, 〒1088215, JP)
Application Number:
JP2010/059607
Publication Date:
June 23, 2011
Filing Date:
June 07, 2010
Export Citation:
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Assignee:
MITSUBISHI HEAVY INDUSTRIES, LTD. (16-5, Konan 2-chome Minato-k, Tokyo 15, 〒1088215, JP)
三菱重工業株式会社 (〒15 東京都港区港南二丁目16番5号 Tokyo, 〒1088215, JP)
MATSUMOTO, Keigo (C/O MITSUBISHI HEAVY INDUSTRIES LTD, 16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
松本 啓吾 (〒15 東京都港区港南二丁目16番5号 三菱重工業株式会社内 Tokyo, 〒1088215, JP)
FUJIMURA, Koutaro (C/O MITSUBISHI HEAVY INDUSTRIES LTD, 16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
藤村 皓太郎 (〒15 東京都港区港南二丁目16番5号 三菱重工業株式会社内 Tokyo, 〒1088215, JP)
DOMOTO, Kazuhiro (C/O MITSUBISHI HEAVY INDUSTRIES LTD, 16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
International Classes:
F23D1/00; F23C6/04; F23C99/00
Attorney, Agent or Firm:
FUJITA, Takaharu et al. (37F The Landmark Tower Yokohama, 2-2-1 Minatomirai, Nishi-ku, Yokohama-sh, Kanagawa 37, 〒2208137, JP)
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