FIELD: municipal engineering. SUBSTANCE: apparatus has combustion chamber with rotating fire grate equipped with drive mechanism, fuel hopper connected to combustion chamber and equipped with fuel feeding mechanism, and air supplying system. Fire grate is made cylindrical, of non-downcomer type, and it may be air blown. Fuel lifting blades are fixed to fire grate inner surface. Fire grate is connected through water-cooled spokes to air-cooled shaft of drive mechanism. Fuel feeding mechanism has restricting grid, regulating grinder and auger-type feeder, which are arranged in series within hopper. Auger-type feeder is mounted on drive mechanism shaft of fire grate. Drive mechanism supporting units are arranged behind combustion chamber housing. Construction of apparatus provides adequate conditions for burning of any solid carbonaceous fuel. EFFECT: increased efficiency, reduced operational costs and improved ecology control. 3 dwg
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