| 摘要 |
An automatic coal stoker is provided with internal means to increase the sensible heal outflow from the operating stoker, which means comprises a modified stoker housing that provides a first combustion chamber and an abutting second chamber for induced air heat exchange with the hot combustion gases. A tubular means is disposed in the second chamber which intakes the combustion gases to be vented and extracts much of their sensible heat, and then directs by forced convection, the heated air useful to the stoker environment, while venting the spent combustion gases to the standard flue means.
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