Title:
COMBUSTION BURNER, COMBUSTION DEVICE, AND BOILER
Document Type and Number:
Japanese Patent JP2019128080
Kind Code:
A
Abstract:
To improve workability of maintenance work of a fuel nozzle in a combustion burner, a combustion device and a boiler.SOLUTION: The combustion burner comprises: a fuel nozzle 61 for ejecting a fuel gas 301; a combustion air nozzle 62 for ejecting a fuel gas combustion air 302 from an outside of the fuel nozzle 61; and a flame stabilizer 64 for widening the ejection direction of the fuel gas 301. The flame stabilizer 64 has first flame stabilization members 71 arranged on the upstream side of an opening part 61b of the fuel nozzle 61 in the fuel gas 301 ejection direction, and second flame stabilization members 72 arranged on the downstream side of the first flame stabilization members 71 in the fuel gas 301 ejection direction, and adjacently to the first flame stabilization members 71. The first flame stabilization members 71 have only a first widened section 82 whose width increases toward the downstream side in the direction of the flow of the fuel gas 301.SELECTED DRAWING: Figure 1
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Inventors:
YAMANE FUMIYA
MATSUMOTO KEIGO
TAKASHIMA RYUHEI
TOMINAGA SACHIHIRO
ONISHI YASUHITO
TANAKA RYUICHIRO
KAWAMOTO NOBORU
IWATA TAKASHI
SEKIGUCHI SHINICHI
MATSUMOTO KEIGO
TAKASHIMA RYUHEI
TOMINAGA SACHIHIRO
ONISHI YASUHITO
TANAKA RYUICHIRO
KAWAMOTO NOBORU
IWATA TAKASHI
SEKIGUCHI SHINICHI
Application Number:
JP2018008995A
Publication Date:
August 01, 2019
Filing Date:
January 23, 2018
Export Citation:
Assignee:
MITSUBISHI HITACHI POWER SYS
International Classes:
F23D1/00; F23D14/74
Domestic Patent References:
| JP2011127836A | 2011-06-30 | |||
| JP2017053602A | 2017-03-16 | |||
| JP2012215362A | 2012-11-08 | |||
| JP2016156529A | 2016-09-01 |
Foreign References:
| WO2016158079A1 | 2016-10-06 |
Attorney, Agent or Firm:
Sakai International Patent Office