Device and process method for extracting plant aromatic oil

A plant aromatic oil and oil outlet technology, which is applied in the field of devices for extracting plant aromatic oil, can solve the problems of high energy consumption, large amount of cooling water, low oil yield, etc. The effect of reducing the amount of steam

Pending Publication Date: 2019-10-29
GUANGXI FORESTRY RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a device and a process method for extracting plant aromatic oil, so as to solve the problems of low oil yield, high energy consumption, and large cooling water consumption in the existing plant aromatic oil extraction technology

Method used

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  • Device and process method for extracting plant aromatic oil
  • Device and process method for extracting plant aromatic oil
  • Device and process method for extracting plant aromatic oil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Embodiment 1: distilled melaleuca oil

[0049] Include the following steps:

[0050] A. Equipment selection and equipment parameters: use a boiler with an evaporation capacity of 1t, the boiler provides steam for the steamer 2 through the steam delivery pipe 11, and the volume of the steamer 22 is 2m 3 , After the pot body 21 and the cover 23 are assembled, the water pressure reaches 2kg / cm 3 above; reboiler tower kettle 31 is 1.5m 3 , tower diameter Φ=30cm, tower height 2m, packing height 1.7m; condenser 41 adopts heat exchange area of ​​24m 2 1Cr18Ni9Ti plate condenser, cooler 42 with a heat exchange area of ​​8m 2 1Cr18Ni9Ti cooler;

[0051] B, raw material processing: adopt the Melaleuca branch and leaf that Guangxi Dongmen Forest Farm produces, cut the branch and leaf into the specification that the length is below 10cm with the electric vine cutting machine;

[0052] C. Loading and equipment installation: put the raw materials processed in step B into the ste...

Embodiment 2

[0059] Example 2: Distillation of oil of lemon eucalyptus

[0060] The specifications and parameters of the equipment used in this example are the same as those in Example 1, and the steps of the distillation process are the same as those in Example 1, with the difference that: the raw material of step B is the branches and leaves of Eucalyptus lemon produced in Wuming District, Nanning City, Guangxi.

[0061] Compared with the distillation process with re-evaporation system and two-stage water return system in this embodiment, the oil yield is increased from 0.9% to 1.2%, the distillation time is shortened from 2h to 1h, and the energy consumption is saved by 50%.

Embodiment 3

[0062] Example 3: Distillation of star anise oil

[0063] The equipment specifications and parameters selected in this embodiment are the same as those in Example 1, and the distillation process steps are the same as those in Example 1, with the difference that: the raw material in Step B is the star anise branches and leaves produced in Debao County, Baise City, Guangxi.

[0064] Compared with the distillation process without re-evaporation system and two-stage return water system in this embodiment, the oil yield is increased from 0.9% to 1.5%, the distillation time is shortened from 2h to 1.5h, and the energy consumption is saved by 40%.

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Abstract

The invention relates to the technical field of separation and extraction of plant aromatic oil, in particular to a device for extracting the plant aromatic oil. The device comprises a steamer, a reboiler, a cooling device, an oil-water separator, a heating coil and a collector; a tower kettle is located at the bottom of a fractionating tower, the top of the steamer conveys oil-water vapor into the reboiler through a distillation air duct, and the heating coil for heating raw materials is arranged at the bottom of the steamer; the top of the cooling device is connected to the top of the reboiler through a guide pipe, the bottom of the cooling device is connected to the top of the oil-water separator through a guide pipe, the oil-water separator is provided with an oil outlet, and the oil outlet is connected with the collector; and the bottom of the oil-water separator is connected to the reboiler through a primary water return pipe, and the bottom of the tower kettle of the reboiler isconnected to the bottom of the steamer through a secondary water return pipe. The invention further discloses a process method for extracting the plant aromatic oil. By adopting the device and the process method, the oil yield is high, and energy consumption is low.

Description

technical field [0001] The invention relates to the technical field of separation and extraction of plant essential oils, in particular to a device for extracting plant essential oils and a process method thereof. Background technique [0002] Aromatic plant essential oils refer to natural spices extracted from the flowers, fruits, branches, leaves, skins, stems, roots and other parts of plants. The common ones are star anise oil, cinnamon oil, litsea cubeba oil, rock cinnamon oil, camphor oil, lemon eucalyptus There are hundreds of kinds of oil, eucalyptus oil, peppermint oil, tea tree (melaleuca) oil, citronella oil, magnolia oil, lavender oil, rose oil, jasmine oil, etc. Plant essential oils are widely used in food, medicine, cosmetics, daily chemical products and other industries, involving a huge planting and processing industry. [0003] At present, the vast majority of plant essential oils are extracted by steam distillation. Steam distillation is divided into water...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B9/02
CPCC11B9/027
Inventor 鈡昌勇秦荣秀谷瑶
Owner GUANGXI FORESTRY RES INST
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