| 摘要 |
An above ground enclosure for burning refuse including walls having vertically arranged tubes through which air from a manifold at one end of the tubes is circulated. A sheet of air is forced over the burning materials from a blower directing a stream of air from the vertically arranged tubes into horizontally arranged tubes pointing over the burning contents of the enclosure to cause a circulating drum-shaped rotating current of air over the burning material. The burning then can be done without letting smoke escape into surrounding areas.
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