Room heater for solid fuels, has air nozzles that are introduced into rear wall of combustion chamber, return surplus flue gases in primary air stream, and avoid charcoal residues in ash bed by intensifying flame in combustion chamber

摘要

The heater has several air nozzles (7-9) that are introduced into a rear wall of a combustion chamber (1), return surplus flue gases in the primary air stream, and avoid charcoal residues in an ash bed by intensifying flame in combustion chamber. The supplementary air nozzles are provided at an average height in the combustion chamber rear wall.