| 摘要 |
PURPOSE: A firewood boiler is provided to facilitate a maintenance work by performing floor heating and hot-water heating in a furnace. CONSTITUTION: A firewood boiler comprises a fuel combustion chamber(4), upper combustion chambers(8-1,8-2), a hot water supply unit, and a switching device(1). First and second fire holes(2,3) are formed in the top of the fuel combustion chamber. The upper combustion chambers are formed in the top of the fuel combustion chamber and are connected to an exhaust port(9). The hot water supply unit is formed around the exhaust port. The switching device is installed in the top of the fuel combustion chamber and opens the second fire hole by closing the first fire hole. |
