GAS BURNER Russian patent published in 2008 - IPC F23D14/04 

FIELD: metallurgy industry, applicable for drying and heating of casting ladles.

SUBSTANCE: the claimed gas burner has an inner gas-air ejector with a header, nozzles for supply of natural gas, mixing chamber, inlet and outlet diffusers, flame stabilizer, the burner is made in the form of two coaxially positioned ejectors-an inner cylindrical gas-air ejector and an outer annular air ejector. The flame stabilizer and the posts fastening it of the inner cylindrical gas-air ejector, as well as the exterior and interior surfaces of the outlet diffuser at length L=D_a, where D_a- the diameter of the diffuser outlet section, are subjected plasma spraying by refractory metal, for example, aluminum oxide.

EFFECT: enhanced efficiency.

1 dwg