| 主权项 |
1. A safe combustion device comprising:
a housing defining a receiving space; a wick disposed in the receiving space, with the wick having a top end at a first distance from a bottom surface of the housing; a guiding device connected to the housing and including at least one shade, with the at least one shade having bottom and top sides at second and third distances from the bottom surface of the housing respectively, with the second distance shorter than the first distance, with the first distance shorter than the third distance, with the at least one shade having an inner lateral side adjacent to the wick and an outer lateral side opposite the inner lateral side, with the at least one shade and the housing including a flow passage formed therebetween, with the flow passage having a length between the inner lateral side of the at least one shade and the wick, a length below the bottom side of the at least one shade, and a length outside the outer lateral side of the at least one shade.
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