(19)
(11) EP 2 138 765 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
22.09.2010 Bulletin 2010/38

(43) Date of publication A2:
30.12.2009 Bulletin 2009/53

(21) Application number: 09170949.3

(22) Date of filing: 16.08.2006
(51) International Patent Classification (IPC): 
F23D 1/02(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

(62) Application number of the earlier application in accordance with Art. 76 EPC:
06254290.7 / 1892470

(71) Applicant: The Babcock & Wilcox Company
Barberton, OH 44203-0351 (US)

(72) Inventors:
  • LaRue, Albert D.
    Uniontown, OH 44685 (US)
  • Kahle, William J.
    Canal Fulton, OH 44614 (US)
  • Sayre, Alan N.
    North Canton, OH 44720 (US)
  • Hamid, Sarv
    Canton, OH 44708 (US)
  • Rowley, Daniel R.
    Alliance, OH 44608 (US)

(74) Representative: Meldrum, David James 
D Young & Co LLP 120 Holborn
London EC1N 2DY
London EC1N 2DY (GB)

   


(54) Burner with center air jet


(57) A new burner apparatus and method of combusting fossils fuels for commercial and industrial application is provided wherein the new burner apparatus achieves low NOx emissions by supplying oxygen to the center of the burner flame in as manners so as to create a fuel rich Internal combustion zone within the burner flame.







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