FIELD: power engineering.
SUBSTANCE: nozzle is installed on a plate above a hole in the plate and has holes in the side surface. It is also equipped with a movable ring with responsive holes, and with the other end is it fixed to a self-regulated air duct via a section of a corrugated pipe. The movable ring has a gap relative to the nozzle, the area of cross section of which makes 20-25% of the hole area in the plate. According to the other version of the invention the air distributor comprises a plate with the hole in the centre and the nozzle of fixation to the self-regulated air duct. The nozzle is installed on the plate above the hole, in which there is an additional air duct. It has holes in the side surface and is equipped with a movable ring with responsive holes. The movable ring has a gap relative to the nozzle, the area of cross section of which makes 20-25% of the area of the outlet hole in additional air duct. At the end of the additional air duct, on its side surface, there are cuts or holes.
EFFECT: invention makes it possible to increase reliability and safety of operation of solid fuel heating devices of upper burning.
4 cl, 2 dwg
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