FIELD: power engineering.
SUBSTANCE: invention relates to the field of power engineering. Boiler furnace vertical fire grate forms vertical cavity over fuel-free furnace height, at that vertical fire grate comprises hollow vertically oriented grates, which cavities are communicated hydraulically at the top and bottom of the furnace with water jacket of boiler. Grates of fire grate are made parallel and rectilinear. Gap between grates of fire grate is 12–20 mm. Vertical cavities are formed in amount of at least two. Fire grate is made flat.
EFFECT: invention provides higher efficiency of heat extraction from combustion of solid fuel loaded into boiler.
5 cl, 3 dwg
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