CN106833903A - Blue or green argy wormwood distillation, sedimentation separation are quenched take Chinese mugwort essential oil method respectively - Google Patents

Abstract

The invention discloses a method for separately extracting mugwort essential oil through distillation and sedimentation separation of mugwort, which is characterized in that fresh mugwort mugwort is used as a raw material, cut into sections, rolled and pulverized, soaked and stirred, and partly distilled to obtain volatile mugwort essential oil. The non-volatile mugwort essential oil was obtained by hydraulic filtration and sedimentation separation of the residue after partial distillation. Compared with the prior art, the present invention uses the mugwort tree, which saves troublesome processes such as picking leaves, drying in the shade, and storing, and extracts all the mugwort essential oil contained in the stems and leaves of the mugwort, with high output efficiency, sufficient resource utilization, and water saving in the production process. Energy saving, little pollution. At the same time, volatile moxa essential oil and non-volatile moxa essential oil are obtained, each of which has its own characteristics and efficacy, which provides more guarantees for the development of new application fields and the development of new products for moxa essential oil.

Description

Methods of Quenching Artemisia Artemisiae Argyi Essential Oil by Distillation and Sedimentation Separation

1. Technical field:

The invention relates to the fine chemical industry in the agricultural product processing industry, in particular to a method for extracting mugwort essential oil through distillation and sedimentation separation of Artemisia annua.

2. Background technology:

Artemisia argyi, also known as "artemisia argyi" or "artemisia argyi", is a perennial herb belonging to the family Asteraceae. Because the mugwort essential oil contained in its stems and leaves can be used as a raw material for flavoring, killing and repelling insects, it has the functions of promoting qi and dredging collaterals in traditional Chinese medicine, warming the meridians and dispelling cold, raising sun and lifting depression, and enhancing immunity. It has been widely used in the field of production and traditional Chinese medicine for more than two thousand years. In modern times, analysis and research have been carried out on the active ingredients and functions of mugwort, and the core part of mugwort essential oil has been industrially extracted and processed. The prior art extraction of Artemisia argyi essential oil is mostly prepared by methods such as direct heating distillation, steam distillation, or distillation after percolation with organic solvents from the artemisia argyi leaves after screening, drying in the shade, and pulverization. The main problems of existence are: 1. Artemisia wormwood leaves Selecting, drying in the shade, collecting and storing are all time-consuming and labor-intensive troublesome processes, and it is not easy to form large-scale production. 2. The utilization rate of mugwort is low. 3. The acquisition ratio of mugwort essential oil is limited, and only the residual part that is not volatile under normal temperature and normal conditions is extracted, and the resource utilization rate is low.

3. Contents of the invention:

The object of the present invention is to address the above current situation and problems, and provide a method for extracting Artemisia mugwort essential oils through distillation and sedimentation separation, which can efficiently obtain volatile and non-volatile essential oils by utilizing the stems and leaves of the whole plant of Artemisia argyi.

The purpose of the present invention is achieved through the following technical solutions:

A method for extracting Artemisia mugwort essential oil by distillation, sedimentation and separation, which is characterized in that fresh Artemisia mugwort is used, cut into sections, rolled and crushed, all the slag juice is put into a reaction kettle, sealed with water, soaked and stirred. Heating and distilling one-third of the liquid; the distillation steam is condensed by the condenser and then input into the sedimentation separator to stand still to obtain the water-containing and volatile mugwort essential oil, and the distilled water is returned to the reactor for recycling as added water; after the reactor is distilled, the temperature is lowered and all the slag liquid is cleared out Transfer to a filter press kettle, transfer the filtrate to a sedimentation separator and let it stand still to obtain the crude product of the non-volatile moxa essential oil; after centrifugation and filtration to remove the slag and decolorize, obtain the clean, water-containing and non-volatile moxa essential oil.

The method of extracting mugwort essential oil by distillation and sedimentation separation respectively is characterized in that the obtained water-containing and volatile mugwort essential oil, and the water-containing and non-volatile mugwort essential oil are respectively added into a closed reaction kettle with anhydrous sodium sulfate to stir and dehydrate, and after clarification, pure and easy Volatile mugwort essential oil and non-volatile mugwort essential oil.

The method for extracting mugwort essential oil by distillation and sedimentation separation respectively is characterized in that water aerosol is injected into the distillate and filtrate to increase the extraction ratio and rate of mugwort essential oil.

The method for extracting mugwort essential oil by distillation and sedimentation separation respectively is characterized in that the dried whole mugwort stems and leaves are extracted by using the same method and process.

Compared with the prior art, the method of extracting mugwort essential oil by distillation and sedimentation separation respectively of the present invention has the following remarkable features and many advantages:

1. Use the Aiba mugwort to extract the essential oil directly, which saves a lot of time-consuming, laborious, site-occupied and warehouse troubles and costs for selection, picking of mugwort leaves, drying in the shade, storage and storage, and is more convenient for large-scale production.

2. Using all the stems and leaves of Aiba mugwort to quench the mugwort essential oil, the resource utilization rate is high, the processing links are less, it is convenient for mechanical processing, the efficiency is improved, and the quantity of the mugwort essential oil is obtained at a lower cost.

3. Carry out two-step quenching method for extracting the essential oil of Artemisia argyi by distillation and sedimentation after distillation, which can simultaneously obtain volatile and non-volatile two kinds of Artemisia essential oils with different properties and functions, so as to produce more with their own characteristics and Use of mugwort essential oil products to provide more guarantees to open up a wider market.

4. Extracting the dried stems and leaves of the whole plant with the same method and process can prolong the seasonal production cycle and dilute the restrictive impact of the growth cycle of Artemisia sagei on production.

5. Formulate mugwort essential oil emulsions to replace pesticides according to the volatility, and use them for rapid or long-term deworming and killing of agricultural fruits and vegetables before picking, or during growth, to produce green and safe ecological products.

4. Description of drawings:

No drawings.

5. Specific implementation methods:

Below in conjunction with embodiment the present invention is described in further detail below:

Mature mugwort trees are harvested, cut into sections with a green fodder crusher, and further rolled with a pair of rollers to break the structure of the mugwort, and the slag juice coefficient is filled into a soaking tank or directly into a reaction kettle, and soaked in water. In the reaction kettle, heat up one-third of the distilled juice while stirring. The distilled steam containing water and volatile mugwort essential oil is restored to a liquid state through the condenser, and is input into a closed sedimentation separation tower to stand still and split, and the volatile mugwort essential oil is obtained from the upper part of the separation tower. Pour the remaining slag juice after distillation in the reaction kettle into the pressure filter tank, and transfer the filtered juice to the sedimentation splitter tower to stand and divide, and obtain the non-volatile mugwort essential oil containing impurities and water from the upper part of the splitter tower, and then centrifuge and filter to obtain clarified and clean of non-volatile mugwort essential oil. Put the obtained volatile moxa essential oil and non-volatile moxa essential oil into the refining tank respectively, add anhydrous sodium sulfate, stir and mix for dehydration, and then obtain pure volatile moxa essential oil and non-volatile moxa essential oil, which are sealed and packaged as finished products of the enterprise .

The above process describes the basic process of the present invention. Those skilled in the art can implement various additions, deletions, modifications, and replacements without departing from the principle of the process of the present invention. within the scope of protection.

Claims (4)

1. a kind of blue or green argy wormwood distillation, sedimentation separation is quenched take Chinese mugwort essential oil method respectively, it is characterized in that using fresh argy wormwood green grass or young crops, cutting Section is rolled stone roller and is crushed, and whole scum juices load reactor, and add water closing soaking and stirring, and 1/3rd liquid are distilled by bottom normal heating Body；Settlement separator being input into after the condensed device condensation of distillation vapour to stand, obtaining aqueous volatile Chinese mugwort essential oil, distilled water returns defeated reaction Kettle is used as addition water circulation use；Lower the temperature after reactor distillation, clear out whole slag liquid and be transferred to filter-pressing cauldron, filter liquor transfers sedimentation point Stood from device, obtain not volatile Chinese mugwort essential oil crude product；Decolourized through centrifugation, filter cleaning dregs, obtain clean aqueous not volatile Chinese mugwort essence Oil.

2. blue or green argy wormwood distillation, sedimentation separation according to claim 1 is quenched take Chinese mugwort essential oil method respectively, it is characterized in that being obtained Aqueous volatile Chinese mugwort essential oil, aqueous not volatile Chinese mugwort essential oil adds anhydrous sodium sulfate stirring dehydration in capping kettle respectively, Pure volatile Chinese mugwort essential oil and not volatile Chinese mugwort essential oil are obtained after clarification.

3. blue or green argy wormwood distillation, sedimentation separation according to claim 1 is quenched take Chinese mugwort essential oil method respectively, it is characterized in that to steaming Injection water aerosol in distillate and filter liquor, improves the smart oil quenching of Chinese mugwort and takes ratio and speed.

4. blue or green argy wormwood distillation, sedimentation separation according to claim 1 is quenched take Chinese mugwort essential oil method respectively, it is characterized in that utilizing Same method and flow are quenched and take dried whole strain Chinese mugwort cauline leaf.