Panoramic heating device with pre-heated primary air

摘要

The apparatus (1) has a quasi-sealed panoramic combustion chamber (2) provided with a glassed dual envelope (3) on outside as well as an outer primary air intake device. A main smoke exhausting pipe (4A) is connected to the chamber. An access door incorporates the envelope and a heat collecting dual envelope (4B) of a chimney pipe transporting a heated air flow into an upper part of the envelope (3). The dual envelope of the chimney pipe is located outside and totally concentric to the main pipe having high temperature.