The present invention relates to a fuel-storage boiler, and in particular, is installed to penetrate an air supply pipe that penetrates into the combustion chamber an air supply pipe for supplying air for combustion into a combustion chamber where combustion is performed using lignite and lump coal as fuel. The present invention relates to an air ejecting device of a fuel storage boiler, which can be used without being damaged by a high temperature flame in which combustion occurs in a combustion chamber.;It has an inlet and an outlet on one side of the combustion body having a combustion chamber containing fuel, and an air inlet at the bottom of the combustion body for accommodating air forcedly blown from the outside by a blower. The bottom surface of the combustion body is composed of a plurality of air inlet pipes in communication with the air receiving chamber so that the air to be supplied into the combustion chamber, it is connected to the air inlet pipe of a portion of the plurality of air inlet pipes combustion A combustion member having an air guide element having an air discharge hole vertically installed in the room;;It has a water storage chamber to allow the water to be fresh water on the outer periphery and the upper surface of the combustion body, and the water heating tube to direct the water is heated by the heat by allowing the fresh water to pass through the combustion chamber. A water storage unit;;A fuel storage boiler comprising a flame conveying member having upper and lower flame receiving chambers at the upper and lower ends of the water storage chamber, and a conveying pipe for conveying the flames that are combusted so that the flame receiving chambers provided at the upper and lower ends communicate with each other. In forming the;The air guide element is characterized in that it is formed to be embedded in the interior of the water heating tube passing through the inner peripheral surface of the combustion chamber.
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