Title:
BURNER DEVICE AND COMBUSTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/213091
Kind Code:
A1
Abstract:
Disclosed are: a powder burner device in which even coarsely ground biomass powder can be used as an industrial fuel; and a combustion device of which the operation can be stably and high efficiently controlled using said burner device. A burner device (10) of the present application has: a burner pipe (12); a fuel supply device (30) that supplies biomass powder (F) to the burner pipe (12); and a primary air supply pipe (14) connected to a side wall of the burner pipe (12), wherein the biomass powder (F) supplied from the fuel supply device (14) is dropped while swirling in the burner pipe (12) by primary air from the primary air supply pipe, and is discharged from a fuel discharge port (13) at a lower end of the burner pipe (12). The burner device (10) further has a heat insulation wall (17) having a cone-shaped inner wall (17a) below the fuel discharge port (13).
Inventors:
HIRAMOTO MITSUNORI (JP)
SAKAI MASAYASU (JP)
WATANABE SUNAO (JP)
MITANI TAKASHI (JP)
SAKAI MASAYASU (JP)
WATANABE SUNAO (JP)
MITANI TAKASHI (JP)
Application Number:
PCT/JP2019/016494
Publication Date:
October 22, 2020
Filing Date:
April 17, 2019
Export Citation:
Assignee:
BIOMASS ENERGY CORP (JP)
International Classes:
F23D1/02
Foreign References:
| JP2014206346A | 2014-10-30 | |||
| US4206712A | 1980-06-10 | |||
| JPS4731895A | ||||
| JPS4825226A | 1973-04-02 | |||
| JPS5859812U | 1983-04-22 | |||
| JPH11132425A | 1999-05-21 | |||
| JPS55180129U | 1980-12-24 | |||
| JP2008013738A | 2008-01-24 | |||
| JP2010185631A | 2010-08-26 | |||
| JP2011007478A | 2011-01-13 | |||
| JP2014206346A | 2014-10-30 |
Other References:
See also references of EP 3971474A4
Attorney, Agent or Firm:
INOUE, Mitsuru et al. (JP)
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