| 摘要 |
PURPOSE: A pellet boiler is provided to maximize the heat exchange efficiency by increasing the residence time and to improve the heat exchange efficiency by maximizing the heat transfer area. CONSTITUTION: A pellet boiler comprises a plurality of heat exchangers. The heat exchanger includes water jackets(5a,5b), a burner(3), a connecting duct(8a), a water supply pipe(11a), and an exhaust fan(10). The water jackets are installed between a lower combusting chamber and an upper combusting chamber, and the water is supplied in the inside, and a plurality of heat exchanging holes is vertically penetrated. The burner generates a heating source by combusting a pellet. The connecting duct connects the upper combusting chamber and transfers the heating source. The water supply pipe transfers the water. The exhaust fan exhausts the heating source of the heat exchanger.
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