A heater is disclosed, which includes a heating tank having an air inlet and a food inlet. The heater further includes a movable shaft passing through the heating tank. The heater also includes a first baffle and a second baffle that are spaced by a distance and attached to the movable shaft. The first baffle and the second baffle are configured to move in the heating tank through the shifting of the movable shaft.本創作一實施例揭示一種加熱器，其包括加熱槽，該加熱槽包括進氣口以及進料口。該加熱器還包括可移動軸，其穿越加熱槽，以及第一隔板及第二隔板，其相距一距離且附接於該可移動軸上，並經配置以經由該可移動軸推移而在該加熱槽中移動。
