SELF-CONTAINED INJECTION BURNER Russian patent published in 1994 - IPC

FIELD: building heating system. SUBSTANCE: burner has body, air-distributing chamber disposed in lower part of burner body, pressure gas collector positioned above air distributing chamber, fire-proof masonry dividing burner body into mixing zone and burning zone and provided with slot extending along gas collector length in upper part of masonry and tubular injectors-mixers, which are rigidly fixed in gas collector walls and in masonry. Injectors-mixers are opened from lower end into air- distributing chamber and from upper end into masonry slot and through openings in tube walls into gas collector cavity. Channels communicating burning zone with air-distributing chamber are extending in masonry in parallel relation with respect to injectors- mixers. Total sum of effective sections of additional channels is 20-60% of total area of all air channels. EFFECT: reduced concentration of nitric oxide in gaseous fuel combustion products. 3 dwg, 1 tbl