| 摘要 |
An extraction enclosure is connected by a pipe in its upper region to a source of steam. A drawer having a grill base for containing vegetable materials to be extracted permits the introduction of vegetable materials into the extraction enclosure. The base of this latter enclosure communicates with a subjacent refrigerated or cooling enclosure, provided with discharge means. There is thus avoided or minimized risk of overheating and/or of the hydrolysis of the essential oil in the course of extraction and there is eliminated or minimized all obstacles of flux of vapors and of liquid at the refrigerant level. The charging and discharging of the extraction enclosure are also simplified.
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