Title:
TWO-STAGE COMBUSTOR
Document Type and Number:
Japanese Patent JP2023005052
Kind Code:
A
Abstract:
To provide a two-stage combustor with hydrogen gas used as fuel, capable of suppressing generation of NOx while suppressing combustion vibration.SOLUTION: A two-stage combustor comprises: a nozzle through which gas fuel containing hydrogen circulates; a primary air flow path through which primary air to be mixed with the gas fuel ejected from the nozzle circulates; and a secondary air flow path through which secondary air to be mixed with the gas fuel mixed with the primary air circulates, where an air ratio of the primary air to the gas fuel ejected from the nozzle is lower than an air ratio of the secondary air to the gas fuel ejected from the nozzle, and the gas pressure of the gas fuel circulating through the nozzle is 300 kPa or larger.SELECTED DRAWING: Figure 1
Inventors:
TSUMURA SHUNICHI
TAKASHIMA YOHEI
KAMURAGI YUTAKA
KAMITSUMA TOMIAKI
TAGUCHI YUZO
TAKASHIMA YOHEI
KAMURAGI YUTAKA
KAMITSUMA TOMIAKI
TAGUCHI YUZO
Application Number:
JP2021106740A
Publication Date:
January 18, 2023
Filing Date:
June 28, 2021
Export Citation:
Assignee:
MITSUBISHI HEAVY IND POWER IDS CO LTD
International Classes:
F23C99/00; F23D14/22; F23D14/48
Domestic Patent References:
| JP2008111591A | 2008-05-15 | |||
| JP2019045083A | 2019-03-22 |
Attorney, Agent or Firm:
SSIP Patent Attorney Corporation