| 摘要 |
<p>A pulse combustion heater is disclosed and includes a housing which includes three housing sections of tubular form coupled together in a vertically stacked arrangement and comprising a top housing section defining an air cushion chamber, a centre housing section defining a heat exchange chamber, and a bottom housing section defining an exhaust chamber. The top and bottom sections are in the form of concrete castings closed at their upper and lower ends respectively and the centre section forms part of a boiler sub-assembly further comprising top and bottom boiler heads closing opposite ends of the centre housing section. A combustion chamber is disposed within the heat exchange chamber of the housing and has an inlet communicating with the air cushion chamber, and an outlet in the heat exchange chamber. Ignition means is provided in association with the combustion chamber and is operable to initiate combustion in the chamber. At least one exhaust pipe is provided and forms a resonant system with the combustion chamber, the exhaust pipe being disposed in the heat exchange chamber and communicating with the exterior of the housing.</p> |
