Device for extracting iris root oil by virtue of dynamic circulation type steam vacuum distillation

A technology of steam distillation and dynamic circulation, which is applied in vacuum distillation, essential oil/fragrance, fat production, etc., to achieve the effects of increased yield, sufficient reaction and stable quality

Active Publication Date: 2012-12-05
YUNNAN EMERALD ESSENCE
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Problems solved by technology

[0004] The purpose of the present invention is to solve the contradiction between the extraction of orris root oil by steam distillation under normal pressure and the hydrolysis and gelatinization of starch in the rhizome of orris in high temperature water, and aim at the bumping shock caused by the current jacketed heating steam distillation. Pot defects, providing a dynamic circulation steam vacuum distillation extraction device for orris root oil, improving the yield and quality of orris root oil

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  • Device for extracting iris root oil by virtue of dynamic circulation type steam vacuum distillation

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Embodiment Construction

[0015] A reboiler 101 is arranged outside the kettle 100, and the kettle 100 and the reboiler 101 are connected by a flange. During operation, the nozzle position 101-C of the reboiler 101 of the distillation tower is lower than the liquid level position 100-D in the kettle 100, forming a circulating water flow in the hydrolyzate. When the liquid level in the kettle is lower than the nozzle of the reboiler, replenish water through the water inlet pipe. If the nozzle position 101-C of the reboiler 101 of the distillation column is higher than the liquid level position 100-D in the kettle 100, what is ejected is gas instead of forming a circulating water flow. The kettle body 100 is in the shape of a vertical cone, which is more convenient for discharging materials than the traditional pot-shaped bottom. Observe the corresponding temperature value when the water in the kettle 100 boils from the sight mirror 100-J, and vacuumize the entire distillation device through the vacuum ...

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Abstract

The invention relates to a device for extracting iris root oil by virtue of dynamic circulation type steam vacuum distillation and belongs to a distillation device for producing iris root oil. The device comprises a heating kettle, a coil condenser and an oil-water separator, wherein the heating kettle is externally provided with a reboiler; the nozzle of the reboiler is below the liquid surface in the kettle; a distillation device is vacuumized so that the temperature in the kettle is less than 90 DEG C when water in the kettle is boiled; a water returning port on an empty tower joint is level with the upper edge of the clamp sleeve of the oil-water separator or slightly lower than the upper edge of the clamp sleeve; and the kettle body is of a vertical cone. The iris root oil extracted by the device is clear in color and pure in perfume, and the yield can be improved by 50%.

Description

technical field [0001] The invention belongs to a distillation device for producing orris root oil. Background technique [0002] The petals of the iris (1risPallida) are shaped like the tail of the iris. The root oil of the iris is collected from the underground rhizome of the iris that has grown for more than 3 years. Compounds (glycosides) are decomposed to free irone and other substances of violet fragrance, and then steam distillation to obtain a milky white or light yellow waxy solid. The aroma of orris root oil is soft, sweet, fresh and pure. It is widely used in the preparation of high-grade violet fragrance and iris fragrance essence. The market price of orris root oil is more than 200,000-500,000 yuan / kg, which is extremely expensive. In industrial production, the steam distillation method to extract orris root oil is the last process in the long production process of orris root oil. The traditional steam distillation and extraction device is a jacketed heating m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D3/10C11B9/02
Inventor 李友宏敖菡毛正勇李金荣杨智
Owner YUNNAN EMERALD ESSENCE
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