FIELD: heating.
SUBSTANCE: hot-water solid-fuel boiler includes housing, at least two fuel filling hoppers, air-gas pass formed with vertical walls at least of two fuel filling hoppers and located along the perimetre of air-gas pass, furnace chamber installed under air-gas pass, air supply mechanism and heat exchanger. In furnace chamber there installed is fuel supply device from filling hoppers to fire ball, above fire ball, in air-gas pass there located is afterburner of combustible gases, and air supply mechanism is made of two channels: air flow is directed via one channel to fire ball, and via the other one to afterburner of combustible gases.
EFFECT: improvement of effective fuel combustion die to separation of combustion process of volatile matter separately from coke residue is provided.
7 cl, 1 dwg
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