| 摘要 |
FIELD: combustion apparatus. ^ SUBSTANCE: furnace has a chamber for finish burning separated from the major part of the furnace with a baffle provided with a port for the passage of flue gas. The major part of the furnace is provided with a grid which occupies a part of the rounded bottom. The corners of the furnace arch are also rounded. ^ EFFECT: enhanced efficiency. ^ 2 dwg
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