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Patent Searching and Data


Title:
SOLID FUEL BURNER
Document Type and Number:
WIPO Patent Application WO/2017/002675
Kind Code:
A1
Abstract:
This solid fuel burner (1) is provided with: a nozzle (9) that is provided around the center axis of the burner, that includes a straight tube section (2) having an opening opposed to a furnace (13), and a curved tube section (5) continuous with the straight tube section (2), and that sprays out, from the opening to the furnace (13), a fluid mixture which is of a solid fuel and carrier gas of the solid fuel and which is flowing in the curved tube section (5); a first swirler (6) that gives the fluid mixture a swirl at the burner center axis side of the straight tube section (2); and a second swirler (7) that gives, at the burner center axis side downstream of the first swirler (6), the fluid mixture a swirl opposite to that given by the first swirler (6). The fluid mixture flowing from the curved tube section (5) is moved radially from the center axis by the first swirler (6), and is given a counter-swirl by the second swirler (7) to reduce swirl intensity.

Inventors:
TANIGUCHI, Masayuki (3-1, Minatomirai 3-chome, Nishi-ku, Yokohama-sh, Kanagawa 01, 〒2208401, JP)
BABA, Akira (3-1, Minatomirai 3-chome, Nishi-ku, Yokohama-sh, Kanagawa 01, 〒2208401, JP)
KURAMASHI, Koji (3-1, Minatomirai 3-chome, Nishi-ku, Yokohama-sh, Kanagawa 01, 〒2208401, JP)
ISHII, Shota (3-1, Minatomirai 3-chome, Nishi-ku, Yokohama-sh, Kanagawa 01, 〒2208401, JP)
Application Number:
JP2016/068469
Publication Date:
January 05, 2017
Filing Date:
June 22, 2016
Export Citation:
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Assignee:
MITSUBISHI HITACHI POWER SYSTEMS, LTD. (3-1 Minatomirai 3-chome, Nishi-ku Yokohama-sh, Kanagawa 01, 〒2208401, JP)
International Classes:
F23D1/00; F23D1/02
Domestic Patent References:
WO2013099593A12013-07-04
WO2013141311A12013-09-26
Foreign References:
JPH0926112A1997-01-28
GB377474A1932-07-28
GB303226A1929-01-03
JPS58164910A1983-09-29
JP2012513012A2012-06-07
JPS58224208A1983-12-26
JP2010181145A2010-08-19
US4654001A1987-03-31
US20090272303A12009-11-05
Other References:
See also references of EP 3318801A4
Attorney, Agent or Firm:
KAMEI, Takeyuki et al. (Nishishinbashi bldg, 3-4-1 Nishishinbashi, Minato-k, Tokyo 03, 〒1050003, JP)
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