FIELD: heating.
SUBSTANCE: invention relates to solid-fuel devices (200) containing fuel feed chamber (100), where combustion fuel is fed to a combustion zone located in housing (10), and fuel feed device (30) moving solid fuel from the above chamber (100) farther. The device includes the main combustion unit (20) with chamber (22) for fuel and air, which is connected to the above solid fuel feed chamber (100), and air outlet holes (21) formed on surface (28) of the external wall, as well as protective surface (50) arranged on surface (28) of the external wall of the main combustion unit (20), thus forming a closed reservoir at certain distance.
EFFECT: providing firing of fuel with calorific capacity of 2000-7500 kcal with particle size of 0-50 mm, as well as moisture content of lower than 15%.
26 cl, 5 dwg
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Authors
Dates
2015-12-10—Published
2011-06-09—Filed