FIELD: power engineering.
SUBSTANCE: furnace consists of the following: cylindrical combustion chamber, grating which has central charging door meant for bottom fuel supply and installed in combustion chamber; annular swirler installed at the bottom of cylindrical combustion chamber coaxially to grating; and the narrowing ring located in upper combustion chamber. Grating is made in the form of frustrum of pyramid with its minor base directed upwards. Grating sides are composed of individual components of angular L-shaped section with holes for supplying primary air jets to fuel bed towards each other.
EFFECT: invention allows improving design manufacturability, combustion process intensification, and fuel combustion completeness.
3 cl, 4 dwg
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