| 摘要 |
PURPOSE: A flue and water tube type boiler is provided to improve heating efficiency and quickly generate hot water. CONSTITUTION: A flue and water tube type boiler(100) is composed of an inner body having a combustion chamber(130a), a heating chamber(130b), and an opening(140) communicating the combustion chamber with the heating chamber; an outer body containing the inner body and having space units(120); and a plurality of minute water pipes(131) passing through the heating chamber and communicated with the space units. A discharge hole(137) and a burner insertion hole(136) pass through the inner and outer bodies. A water inlet, a discharge port, and a water injection port are formed at the outer body.
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