BURNER Russian patent published in 2012 - IPC F23D5/00 

FIELD: power industry.

SUBSTANCE: in the burner containing cylindrical housing restricted with end wall and flange for attachment of burner to heat exchanger, combustion chamber installed in the housing, restricted with peripheral cylindrical wall and fuel-air mixture burning stabiliser, air supply connection pipe to the housing cavity, which is installed with tangential direction towards cylindrical surface of the housing, nozzle with radial holes made in the wall and flange on the end of the inlet hole side, gas flow spreader which is located upstream of outlet hole of the nozzle, spark plug installed in the sleeve cavity with a hole made in the wall for air supply to cavity of the sleeve; the latter is connected to fuel supply pipeline to evaporator installed in the sleeve and adjacent to the main fuel evaporator located on the nozzle flange and peripheral cylindrical wall with spark-plug hole, according to the invention, upstream of combustion chamber there located is pre-chamber restricted with peripheral cylindrical wall, flange of the nozzle and diaphragm provided with a hole with diameter which is larger than diameter of gas flow spreader and interconnecting the pre-chamber with combustion chamber, in which the above main evaporator with ignition hole, nozzle with radial holes made in the wall and gas flow spreader is located.

EFFECT: higher efficiency of fuel combustion and reduction of content of toxic substances emitted to exhaust gas atmosphere.

5 cl, 3 dwg