GAS-FIRED BURNER Russian patent published in 2003 - IPC

FIELD: alumina and cement industries. SUBSTANCE: gas-fired burner designed for fuel combustion has gas and air feed pipelines and mixer; novelty is that mixer is made in the form of extension piece disposed coaxially to gas feed pipeline outlet and joined to air feed pipeline, holes being provided at their joint for air admission; sectional area of extension piece per unit of mixture per-second volume is 0.014-0.17 sq. m and its length is 3.0-3.5 of its diameter. EFFECT: simplified design, reduced fuel consumption, facilitated manufacture, reduced cost of burner. 3 cl, 2 dwg