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An ultra low NOx burner for process heating is provided which includes a fluid based flame stabilizer which provides a fuel-lean flame at an equivalence ratio in the range of phi=0.05 to phi=0.3 and fuel staging lances surrounding the flame stabilizer in circular, flat, or load shaping profiles, eac

An ultra low NOx burner for process heating is provided which includes a fluid based flame stabilizer which provides a fuel-lean flame at an equivalence ratio in the range of phi=0.05 to phi=0.3 and fuel staging lances surrounding the flame stabilizer in circular, flat, or load shaping profiles, each lance comprising a pipe having a staging nozzle at a firing end thereof, each lance having at least one hole for staging fuel injection, and each hole having a radial divergence angle and an axial divergence angle. The at least one hole and the divergence angles provide circular, flat or load shaping flame pattern. The burner provides NOx emissions of less than 9 ppmv at near stoichiometry combustion conditions.

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1. An ultra low NOx burner for process heating, comprising:a) a fluid based flame stabilizer which can provide a fuel-lean flame at equivalence ratio in the range of phi=0.05 to phi=0.3; andb) a plurality of fuel staging lances surrounding said flame stabilizer, each said lance comprising a pipe hav

1. An ultra low NOx burner for process heating, comprising:a) a fluid based flame stabilizer which can provide a fuel-lean flame at equivalence ratio in the range of phi=0.05 to phi=0.3; andb) a plurality of fuel staging lances surrounding said flame stabilizer, each said lance comprising a pipe having a staging nozzle at a firing end thereof, each lance having at least one hole for staging fuel injection, each hole having a radial divergence angle and an axial divergence angle wherein said at least one hole and said divergence angles are adapted to provide complete circumferential coverage of the fuel-lean flame;whereby NOx emissions of less than 9 ppmv are generated at near stoichiometry conditions. 2. An ultra low NOx burner for process heating, comprising:a) a fluid based flame stabilizer which can provide a fuel-lean flame at equivalence ratio in the range of phi=0.05 to phi=0.3; andb) a plurality of fuel staging lances surrounding said flame stabilizer, each said lance having at least one ogle for staging fuel injection, each hole having a radial divergence angle and an axial divergence angle wherein said at least one hole and said divergence angles are adapted to provide a flat flame pattern;whereby NOx emissions of less than 9 ppmv are generated at near stoichiometry conditions. 3. An ultra low NOx burner for process heating, comprising:a) a fluid based flame stabilizer which can provide a fuel-lean flame at equivalence ratio in the range of phi=0.05 to phi=0.3; andb) a plurality of fuel staging lances surrounding said flame stabilizer, each said lance comprising a pipe having a staging nozzle at a firing end thereof, each lance having at least one hole for staging fuel injection, each hole having a radial divergence angle and an axial divergence angle wherein said at least one hole and said divergence angles are adapted to provide a load shaping flame pattern;whereby NOx emissions of less then 9 ppmv are generated at near stoichiometry conditions. 4. The ultra low NOx burner for process heating of claims 1 , 2 , or 3 , wherein the plurality of fuel staging lances comprises between 4 and 16 staging lances per flame stabilizer. 5. The ultra low NOx burner for process heating of claims 1 , 2 , or 3 , wherein each staging nozzle has between 1 hole and 4 holes. 6. The ultra low NOx burner for process heating of claims 1 , 2 , or 3 , wherein the radial divergence angle is between 8° and 24°. 7. The ultra low NOx burner for process heating of claims 1 , 2 , or 3 wherein the axial divergence angle is between 4° and 16°. 8. The ultra low NOx burner for process heating of claims 1 , 2 , or 3 , wherein the nozzle is adapted to allow fuel to exit the nozzle at from 300 to 900 feet per second for natural gas staging fuel. 9. The ultra low NOx burner for process heating of claims 1 , 2 , or 3 , wherein the fluid based flame stabilizer is a large scale vortex device. 10. The ultra low NOx burner for process heating of claims 1 , 2 , or 3 , wherein the ultra low NOx burner is adapted to provide a fuel-lean flame that has a peak flame temperature of less than approximately 2000° Fahrenheit. 11. The ultra low NOx burner for process heating of claims 1 , 2 , or 3 , wherein the equivalence ratio is in the range of phi=0.05 to phi=0.1. 12. The ultra low NOX burner for process heating of claims 1 , 2 , or 3 , where in a distance from the forward end of the burner to a point where mixing of staging flame and flame stabilizer flame occurs is approximately 8 to 48 inches. 13. The ultra low NOx burner for process heating of claims 1 , 2 , or 3 , wherein the fuel rate of the staging for natural gas fuel is from 70% to 95% of the total fuel firing rate of the burner. 14. The ultra low NOx burner for process heating of claims 1 , 2 , or 4 , including a burner block coaxial to said flame stabilizer. 15. An ultra low NOx burner for process heating comprising:a) a fluid based flame stabilizer in the form of a large scale v ortex device which can provide a fuel-lean flame at equivalence ratio in the range of phi=0.05 to phi=0.3; andb) between 4 and 16 fuel staging lances per flame stabilizer adjacent to said flame stabilizer, each said lance comprising a pipe having a staging nozzle at a firing end thereof, each hole having a radial divergence angle and an axial divergence angle wherein the fuel staging lances surround said flame stabilizer and the at least one hole and the divergence angles are adapted to provide complete circumferential coverage of the fuel-lean flame for circular staging;whereby NOx emissions of less than 9 ppmv are generated at near stoichiometry conditions. 16. An ultra low NOx burner for process heating, comprising: can provide a fuel-lean flame at equivalence ratio in the range of phi=0.05 to between 4 and 16 fuel staging lances per flame stabilizer adjacent to said flame stabilizer, each said lance comprising a pipe having a staging nozzle at a firing end thereof, each lance having between one and four holes for staging fuel injection, each hole having a radial divergence angle and an axial divergence angle wherein the fuel staging lances are positioned in a linear fashion in single or multiple rows on either side of the flame stabilizer and wherein the at least one hole and the divergence angles are adapted to provide a fiat flame profile;whereby NOx emissions of less then 9 ppmv are generated at near stoichiometry conditions. 17. An ultra low NOx burner for process heating comprising:a) a fluid based flame stabilizer in the form of a large scale vortex device which can provide a fuel-lean flame at equivalence ratio in the range of phi=0.05 to phi=0.3; andb) between 4 and 16 fuel staging lances per flame stabilizer to said flame stabilizer, each said lance comprising a pipe having a staging nozzle at a firing end thereof, each lance having between one and four holes for stealing fuel injection, each hole having a radial divergence angle and an axial divergence angle wherein the fuel staging lances are positioned in a linear fashion in single or multiple rows on either side of the flame stabilizer and wherein the at least one hole and the divergence angles are adapted to provide a flame confined between two parallel flat planes;whereby NOx emissions of less than 9 ppmv are generated at near stoichiometry conditions. 18. The ultra low NOx burner for process heating of claims 15 , 16 or 17 , wherein the fuel staging lances are positioned in a geometrical fashion and almost parallel to a load geometry in a single or multiple rows and close to the flame stabilizer and wherein the at least one hole and the divergence angles are adapted to provide a flame confined between two parallel flat planes. 19. The ultra low NOx burner for process heating of claims 15 , 16 , or 17 , wherein the radial divergence angle is between 8° and 24° and the axial divergence angle is between 4° and 16°. 20. The ultra low NOx burner for process heating of claims 15 , 16 , or 17 , wherein the nozzle is adapted to allow fuel to exiting the nozzle at from 300 to 900 feet per second for natural gas staging fuel. 21. The ultra low NOx burner for process heating of claims 15 , 16 , or 17 , wherein the large scale vortex device is adapted to provide a fuel-lean flame that has a peak flame temperature of less than approximately 2000° Fahrenheit. 22. The ultra low NOx burner for process heating of claims 15 , 16 , or 17 , wherein the equivalence ratio is in the range of phi=0.05 to phi=0.1. 23. The ultra low NOx burner for process heating of claims 15 , 16 , or 17 , wherein a distance from the forward end of the fuel pipe of the flame stabilizer to a point where mixing of staging flame and flame stabilizer flame is approximately 8 to 48 inches. 24. The ultra low NOx burner for process heating of claims 15 , 16 , or 17 , wherein the fuel rate of the staging for natural gas fuel is from 70% to 95% of the total fuel firing rate of the burner. 25. The ultra low NOx burner for process heating of claims 15 , 16 , or 17 , including a burner block coaxial to said flame stabilizer. 26. The ultra low NOx burner for process heating of claims 15 , 16 , or 17 , wherein a separation distance between individual fuel lances are from about 2 to 12 inches.