| 摘要 |
PURPOSE: A pellet boiler is provided to prevent a fire by preventing flames from spreading to pellets transferred along a transfer pipe using a backfire prevention unit. . CONSTITUTION: A pellet boiler(1) comprises a boiler body(100), a combustion drum(120), a combustion plate(410), a pellet supply unit(200), a blowing unit(300), a heater(450), and an air supply unit(600). The combustion drum is installed inside the boiler body and has an inner space. The combustion plate is installed on the top of the combustion drum and has a pellet passing hole. The pellet supply unit supplies pellets to the top surface of the combustion plate through the pellet passing hole. The blowing unit supplies air to the inside the combustion drum. The heater heats pellets placed on the top surface of the combustion plate. The air supply unit is extended upward from the combustion plate and supplies air to the receiving space(110) of the boiler body. |
