| 摘要 |
PURPOSE: A boiler is provided to reduce fuel costs and the emission of toxic gas like carbon dioxide caused by excessive fuel consumption. CONSTITUTION: A boiler comprises a main body (100), a water tank part, a heat exchange part (300), and a heat source feeding part (400). The heat exchange part comprises a coil part (310), an upper connection part (320), and a lower connection part (330). Coils are concentrically wound in the coil part. The top of the coils is connected to the upper connection part. The bottom of the coils is connected to the lower connection part. A front water tank part (210) communicates with a rear water tank part through the upper and lower connection parts. |
