FIELD: hard-fuel furnaces.
SUBSTANCE: furnace for burning hard fuel has burning chamber, fire-bar grating in it with through aperture and layer of heat-insulating material, placed on grating, according to invention, through apertures of grating are provided with pipe-like channels, passing through layer of heat-insulation material, placed on grating.
EFFECT: higher durability.
2 cl, 3 dwg
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