Filtering device for rosemary essential oil processing

The utility model relates to the field of essential oil processing equipment, in particular to a filtering device for rosemary essential oil processing, which comprises a casing, an oil inlet is arranged at the upper end of the casing, an oil outlet is arranged at the lower end of the casing, and a primary filtering mechanism and a secondary filtering mechanism are sequentially arranged in the casing below the oil inlet from top to bottom. The primary filtering mechanism comprises a filter with an inverted frustum-shaped structure, the filter is erected below the oil inlet, and the surface of the filter is of a net-shaped structure; the secondary filtering mechanism comprises a filter bag arranged below the filter and an extruder for extruding the filter bag, and the projection surface of the filter bag in the upward view direction covers the whole filter so as to ensure that the essential oil completely falls into the filter bag. The utility model solves the problem that the essential oil produced by the exi