JET NOZZLE Russian patent published in 2007 - IPC F23D11/10 

FIELD: burners.

SUBSTANCE: jet nozzle comprises hollow tip that connects the space of oxidizer with the zone of combustion and bushing that embraces the tip with a spaced relation and connects the space of fuel with the combustion zone. The outlet part of the tip of the nozzle is made of coaxial pipes: outer pipe and inner pipe. The ring space between the pipes is in communication with the space of the oxidizer through the inlet part of the tip. The pipes are provided with passage that connect the ring space between the outer pipe and bushing with the space of the inner pipe. The boundaries of the passage are defined by the walls of the inner and outer pipes. The area of the passage is no less than the are of the flowing section of the inner pipe.

EFFECT: enhanced combustion efficiency.

7 dwg