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Useful output boiler has corrugated heat tubes run with turbulent flow profile, and heat exchanger tubes are of different lengths and in predetermined area arranged concentrically to one another
Useful output boiler has corrugated heat tubes run with turbulent flow profile, and heat exchanger tubes are of different lengths and in predetermined area arranged concentrically to one another
The useful output boiler comprises a burner (5) fed through a fuel and air mixture, a combustion chamber (4), and at least one inner hot gas conducting heat exchanger tube (6,7). The heat exchanger tube is corrugated and run with a turbulent flow profile. The heat exchanger tubes are of different lengths and in a predetermined area are arranged concentrically to one another. The heat exchanger tubes can be installed and/or connected to or disconnected from the boiler in a modular fashion.
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