Title:
オーバファイア空気及びオーバファイア空気/N-剤噴射システムの段付きディフューザ
Document Type and Number:
Japanese Patent JP4381208
Kind Code:
B2
Abstract:
An overfire air injector for use in a fossil fuel-fired combustion device includes a cylindrical nozzle having an outlet end formed with a step diffuser comprising one or more radial steps that enlarge the outlet end of the nozzle. An atomizer lance may be mounted within the nozzle, having a discharge orifice at the outlet end of the nozzle, for supplying a reducing agent to the overfire air to reduce NOx emissions.
Inventors:
William Randall Seeker
Roy Payne
Larry William Swanson
Roy Payne
Larry William Swanson
Application Number:
JP2004109826A
Publication Date:
December 09, 2009
Filing Date:
April 02, 2004
Export Citation:
Assignee:
GENERAL ELECTRIC COMPANY
International Classes:
F23L9/02; B01D53/56; F23C6/04; F23C99/00; F23G7/06; F23J7/00; F23J15/00; F23L9/04
Domestic Patent References:
| JP6147458A | ||||
| JP2001349533A |
Foreign References:
| US6280695 |
Attorney, Agent or Firm:
Arakawa Satoshi
Hirokazu Ogura
Nobukazu Ito
Toshihisa Kurokawa
Hirokazu Ogura
Nobukazu Ito
Toshihisa Kurokawa