CN114907915B - Mugwort essential oil extraction equipment and preparation method thereof - Google Patents
Mugwort essential oil extraction equipment and preparation method thereof Download PDFInfo
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- CN114907915B CN114907915B CN202210700675.1A CN202210700675A CN114907915B CN 114907915 B CN114907915 B CN 114907915B CN 202210700675 A CN202210700675 A CN 202210700675A CN 114907915 B CN114907915 B CN 114907915B
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- 235000003261 Artemisia vulgaris Nutrition 0.000 title claims abstract description 142
- 238000000605 extraction Methods 0.000 title claims abstract description 96
- 239000000341 volatile oil Substances 0.000 title claims abstract description 55
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 241000269837 Artemisia dubia Species 0.000 title description 2
- 240000006891 Artemisia vulgaris Species 0.000 claims abstract description 140
- 239000000758 substrate Substances 0.000 claims abstract description 51
- 239000002245 particle Substances 0.000 claims abstract description 49
- 230000009471 action Effects 0.000 claims abstract description 18
- 238000001035 drying Methods 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000012216 screening Methods 0.000 claims abstract description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 112
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 56
- 239000001569 carbon dioxide Substances 0.000 claims description 56
- 238000000926 separation method Methods 0.000 claims description 42
- 238000009423 ventilation Methods 0.000 claims description 42
- 239000007788 liquid Substances 0.000 claims description 37
- 239000000463 material Substances 0.000 claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 8
- 230000004907 flux Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 6
- 229910052755 nonmetal Inorganic materials 0.000 claims description 5
- 235000019441 ethanol Nutrition 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000000706 filtrate Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 3
- 239000008187 granular material Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 238000003815 supercritical carbon dioxide extraction Methods 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000208838 Asteraceae Species 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 206010011224 Cough Diseases 0.000 description 1
- 206010062717 Increased upper airway secretion Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 208000006673 asthma Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 238000000874 microwave-assisted extraction Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- 208000026435 phlegm Diseases 0.000 description 1
- 238000001256 steam distillation Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B9/00—Essential oils; Perfumes
- C11B9/02—Recovery or refining of essential oils from raw materials
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B9/00—Essential oils; Perfumes
- C11B9/02—Recovery or refining of essential oils from raw materials
- C11B9/025—Recovery by solvent extraction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Extraction Or Liquid Replacement (AREA)
- Medicines Containing Plant Substances (AREA)
Abstract
The invention relates to the technical field of biology, in particular to a mugwort essential oil extraction device and a preparation method thereof, wherein the mugwort essential oil extraction device comprises a drying and screening device and an extraction device, and the drying and screening device comprises a winnowing component: further comprises: according to the invention, the mugwort leaves are crushed into particles by a granulator, then the particles are placed on a double-layer heated substrate, fresh mugwort leaf particles are dried by vortex heating, and the dried mugwort leaf particles have a large weight difference from mugwort leaf particles before drying, so that the dried mugwort leaf particles are guided into a sealed extraction kettle for extraction by the winnowing action of a vortex fan, and the mugwort leaf essential oil is obtained, thereby solving the problem of low extraction efficiency of the traditional mugwort leaf essential oil extraction equipment.
Description
Technical Field
The invention relates to the technical field of biology, in particular to mugwort essential oil extraction equipment and a preparation method thereof.
Background
The mugwort leaf which is one of the common medicinal materials in traditional Chinese medicine belongs to dried leaves of mugwort which is a perennial asteraceae herb. Traditional Chinese medicine classifies mugwort leaf as a cold dispelling medicinal material, and Zhang Zhongjing Zhi's "jin Kui Yao Lv" and "Shang Han Lun" respectively records Bai Ye Tang and Jiao ai Tang of moxa drugs used for recording, and have been widely used until now. Modern pharmacological research has found that: the mugwort leaf has the effects of resisting tumor, resisting virus, resisting bacteria, relieving cough and asthma, eliminating phlegm, relieving fever, enhancing immunity and the like. Traditional mugwort leaf is usually used as a medicine, and in the actual operation process, skin or channels and collaterals of a patient can be damaged due to misoperation, even fire is caused, and potential safety hazard is caused;
the extraction method of the volatile oil of the mugwort leaf mainly comprises the following steps of: the method comprises a steam distillation method, a supercritical carbon dioxide extraction method, a microwave extraction method and a petroleum ether extraction method, wherein the supercritical carbon dioxide extraction method has the characteristics of high efficiency and environmental protection compared with other extraction methods, but the traditional supercritical carbon dioxide extraction method needs to crush the mugwort leaves firstly when the mugwort leaf essential oil is extracted, and the mugwort leaves are subjected to crushing treatment by a crusher to flow away some essential oil, so that the extraction amount of the essential oil is reduced, and meanwhile, the mugwort leaf essential oil is extracted, and fresh and dry mugwort leaves are required to be ensured in advance, so that the extracted essential oil is large, meanwhile, the interference of liquid water in the mugwort leaves is avoided, and therefore, when the fresh mugwort leaves are extracted, natural air drying and airing are required to be carried out in advance, the extraction period is overlong, and when the fresh mugwort leaves are dried by a machine, overdrying easily occurs, so that the essential oil in the mugwort leaves is lost;
therefore, the invention discloses a mugwort essential oil extraction device and a preparation method thereof.
Disclosure of Invention
According to the mugwort essential oil extraction equipment and the preparation method thereof, mugwort is crushed into particles by a granulator, then the particles are placed on a double-layer heated substrate, fresh mugwort particles are dried by vortex heating, and the dried mugwort particles are guided into a sealed extraction kettle for extraction under the winnowing action of a vortex fan due to the large weight difference between the dried mugwort particles and mugwort particles before drying, so that mugwort essential oil is obtained, and the problem of low extraction efficiency of the traditional mugwort essential oil extraction equipment is solved.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a moxa essential oil extraction equipment and preparation method thereof, includes dry sieving mechanism and extraction device, dry sieving mechanism includes the selection by winnowing subassembly: further comprises: a drying assembly connected to the air separation assembly;
the extraction device comprises a base, fixed surface installs the water bath bucket on the base, the inside liquid water that is full of water bath bucket, water bath bucket top fixed mounting has sealed extraction cauldron, sealed extraction cauldron bottom seal fixed run through water bath bucket and base, sealed extraction cauldron top is equipped with inlet pipe, carbon dioxide gas admission pipe and bleed pipe respectively the inlet pipe, carbon dioxide gas admission pipe and bleed pipe are all sealed fixed run through sealed extraction cauldron roof, are located sealed extraction cauldron is inside the inlet pipe middle part is equipped with first solenoid valve, is located the sealed extraction cauldron outside the bleed pipe middle part is equipped with the second solenoid valve, sealed extraction cauldron bottom fixed mounting has liquid carbon dioxide discharge pipe, liquid carbon dioxide discharge pipe middle part is equipped with the third solenoid valve.
Preferably, a sealed separation kettle is arranged at the bottom of the sealed extraction kettle, a limiting ring is fixedly arranged on the outer side wall of the sealed separation kettle, a plurality of groups of connecting columns are fixedly arranged on the upper surface of the limiting ring, and the other ends of the plurality of groups of connecting columns are fixedly connected with the base.
Preferably, the sealed fixed sealed separation cauldron that runs through in liquid carbon dioxide discharge pipe bottom, sealed separation cauldron upper wall is equipped with the pressure release pipe, the sealed fixed sealed separation cauldron that runs through of pressure release pipe is located the sealed separation cauldron outside the pressure release pipe middle part is equipped with the relief valve, sealed separation cauldron bottom fixed mounting has the essential oil discharge pipe, the essential oil discharge pipe middle part is equipped with the fourth solenoid valve.
Preferably, the drying assembly comprises a base station, the base station middle part is equipped with the ventilation board, fixed surface installs vortex coil on the base station, equal fixed mounting in base station upper surface triangle department has extension spring, base station upper portion is equipped with double-deck heated base plate, double-deck heated base plate bottom and three flexible spring top fixed connection of group, fine grid ventilation zone has been seted up at the double-deck heated base plate upper plate body middle part, coarse grid ventilation zone has been seted up at the double-deck heated base plate lower plate body middle part, fine grid ventilation zone aligns the setting with coarse grid ventilation zone, fixed surface installs non-metal rail on the double-deck heated base plate.
Preferably, the winnowing assembly comprises a base, base bottom and base fixed connection, the base middle part is equipped with turbofan, turbofan's wind-force can be adjusted, turbofan lateral wall fixed mounting has multiunit to support the rib, multiunit support the rib other end and base inside wall fixed connection, the winnowing assembly still includes the lid, lid and nonmetallic rail top seal fixed connection, surface mounting has the triangle swash plate under the lid.
Preferably, a discharge hole is formed in one side, close to the bottom of the triangular inclined plate, of the nonmetal fence, a material conveying hard pipe is fixedly arranged on the side wall of the discharge hole, a material conveying hose is fixedly arranged at one end, far away from the discharge hole, of the material conveying hard pipe, and a port at one end, far away from the material conveying hard pipe, of the material conveying hose is communicated with the feeding pipe.
Preferably, the preparation method of the mugwort essential oil extraction equipment further comprises the following specific operation steps:
s1: taking 20kg of fresh mugwort leaves, crushing the fresh mugwort leaves by a granulator, wherein the diameter of the crushed mugwort leaves is larger than the grid distance of a fine grid ventilation area, placing the crushed mugwort leaves on a double-layer heated substrate, introducing 220V and 20 to 30 Hz alternating current to a vortex coil, and simultaneously starting a turbofan;
s2: the method comprises the steps that an alternating magnetic field is generated around an eddy coil, magnetic flux passing through a double-layer heated substrate is always changed under the action of the alternating magnetic field, heat is generated on the upper surface of the double-layer heated substrate based on the eddy effect, fresh mugwort leaves are uniformly heated and are quickly dried, when the fresh mugwort leaves are dried, the weight of mugwort leaves is reduced, the dried mugwort leaves are blown up under the action of a turbofan, due to the fact that a fine grid ventilation area and a coarse grid ventilation area are arranged, wind power of the turbofan is uniformly blown from the fine grid ventilation area to mugwort leaves on the double-layer heated substrate, so that the dried mugwort leaves are separated from moist mugwort leaves, the dried mugwort leaves enter a material conveying hard tube through a discharging hole under the action of a triangular inclined plate, the total amount of mugwort leaves on the double-layer heated substrate is reduced, the weight of the upper portion of a telescopic spring is reduced, the double-layer heated substrate is moved upwards under the action of a counter force of the telescopic spring, the distance between the double-layer heated substrate and the eddy current coil is increased, induced by the inner part of the turbofan is reduced, the fine grid ventilation area is reduced, the surface generated by the fine grid ventilation area is separated from the fine grid ventilation area, the surface of the fine grid ventilation area is separated from the mugwort leaves on the surface of the double-layer heated substrate, and the surface is heated by the fine grid is reduced, and the temperature loss of the heated mugwort leaves is reduced, and the inside the heated particles are caused, and the temperature loss is avoided;
s3: opening the first electromagnetic valve and the second electromagnetic valve, enabling the dried mugwort leaf particles to enter the sealed extraction kettle through a material conveying hard pipe, a material conveying hose and a material feeding pipe, heating liquid water in the water bath barrel through a heating device in the water bath barrel at the moment, enabling the mugwort leaf particles entering the sealed extraction kettle to keep 35 ℃ all the time, closing the first electromagnetic valve when the mugwort leaf particles enter the sealed extraction kettle all the time, simultaneously, continuously introducing carbon dioxide gas into the sealed extraction kettle through a carbon dioxide gas inlet pipe, discharging air in the sealed extraction kettle through a gas discharging pipe at the moment, and closing the second electromagnetic valve when the gas discharging pipe continuously discharges the carbon dioxide gas;
s4: opening a compressor, introducing compressed carbon dioxide liquid into the sealed extraction kettle through a carbon dioxide gas inlet pipe, keeping the internal air pressure of the sealed extraction kettle at 16MPa all the time, and standing for 30min;
s5: after standing for 30min, regulating a third electromagnetic valve to enable carbon dioxide liquid to stably enter the sealed separation kettle through a liquid carbon dioxide discharge pipe at a rate of 20kg/h, maintaining the internal air pressure of the sealed extraction kettle, and closing the third electromagnetic valve after 80 min;
s6: the pressure release valve is opened to raise the air pressure in the sealed separation kettle, so that the liquid carbon dioxide is vaporized, the vaporized carbon dioxide flows out of the pressure release pipe, and after a period of time, the fourth electromagnetic valve is opened to release the mugwort leaf essential oil in the sealed separation kettle, and impurities are in the mugwort leaf essential oil;
s7: adding the mugwort essential oil in S5 into 2 times of absolute ethyl alcohol, stirring, standing overnight, vacuum filtering, removing precipitated waxy component, and recovering ethanol from filtrate at 30deg.C under reduced pressure to obtain dewaxed mugwort essential oil.
The beneficial effects of the invention are as follows:
1. the method comprises the steps that an alternating magnetic field is generated around an eddy coil, magnetic flux passing through a double-layer heated substrate is always changed under the action of the alternating magnetic field, heat is generated on the upper surface of the double-layer heated substrate based on the eddy effect, fresh mugwort leaves are uniformly heated and are quickly dried, when the fresh mugwort leaves are dried, the weight of mugwort leaves is reduced, the dried mugwort leaves are blown up under the action of a turbofan, due to the fact that a fine grid ventilation area and a coarse grid ventilation area are arranged, wind power of the turbofan is uniformly blown from the fine grid ventilation area to mugwort leaves on the double-layer heated substrate, so that the dried mugwort leaves are separated from moist mugwort leaves, the dried mugwort leaves enter a material conveying hard tube through a discharging hole under the action of a triangular inclined plate, the total amount of mugwort leaves on the double-layer heated substrate is reduced, the weight of the upper portion of a telescopic spring is reduced, the double-layer heated substrate is moved upwards under the action of a counter force of the telescopic spring, the distance between the double-layer heated substrate and the eddy current coil is increased, induced by the inner part of the turbofan is reduced, the fine grid ventilation area is reduced, the surface generated by the fine grid ventilation area is separated from the fine grid ventilation area, the surface of the fine grid ventilation area is separated from the mugwort leaves on the surface of the double-layer heated substrate, and the surface is heated by the fine grid is reduced, and the temperature loss of the heated mugwort leaves is reduced, and the inside the heated particles are caused, and the temperature loss is avoided;
2. the separation of the extracted mugwort leaf essential oil from mugwort leaf particle residues and the separation of mugwort leaf essential oil from extract liquid are respectively realized by separately arranging the sealed extraction kettle and the sealed separation kettle, so that mugwort leaf essential oil can be extracted more quickly.
Drawings
FIG. 1 is a schematic diagram of the apparatus according to the present invention;
FIG. 2 is a schematic diagram showing connection between a drying and screening device and an extraction device according to the present invention;
FIG. 3 is a schematic diagram of the internal structure of the sealed extraction kettle provided by the invention;
fig. 4 is a schematic structural diagram of a drying and screening device provided by the invention;
FIG. 5 is a view of the opening position of the discharge port provided by the invention;
FIG. 6 is an internal structural view of the nonmetallic rail provided by the present invention;
FIG. 7 is a schematic structural view of a winnowing assembly according to the present invention;
fig. 8 is a partial cross-sectional view of an extraction apparatus provided by the present invention.
In the figure: the drying and screening apparatus 100, the drying module 110, the base 111, the ventilation plate 112, the vortex coil 113, the expansion spring 120, the double-layer heated substrate 130, the fine mesh ventilation area 131, the coarse mesh ventilation area 132, the nonmetallic fence 140, the discharge port 141, the hard material conveying pipe 142, the flexible material conveying pipe 143, the air separation module 150, the base 151, the turbofan 152, the supporting ribs 153, the cover 160, the triangular inclined plate 161, the extraction device 200, the base 210, the water bath barrel 211, the sealed extraction kettle 220, the feed pipe 221, the first electromagnetic valve 222, the carbon dioxide gas inlet pipe 223, the air release pipe 224, the second electromagnetic valve 225, the liquid carbon dioxide discharge pipe 226, the third electromagnetic valve 227, the sealed separation kettle 230, the limiting ring 231, the connecting column 232, the pressure release pipe 233, the pressure release valve 234, the essential oil discharge pipe 235, and the fourth electromagnetic valve 236.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Referring to fig. 1-8, the present invention provides a mugwort essential oil extraction apparatus and a preparation method thereof, which comprises a drying and screening device 100 and an extraction device 200, wherein the drying and screening device 100 comprises a winnowing component 150: further comprises: a drying assembly 110 coupled to the air separation assembly 150;
the extraction device 200 comprises a base 210, a water bath barrel 211 is fixedly arranged on the upper surface of the base 210, a heating device is arranged in the water bath barrel 211, so that liquid carbon dioxide and mugwort leaf particles in the sealed extraction kettle 220 can always keep 35 ℃, the water bath barrel 211 is filled with liquid water, the top of the water bath barrel 211 is fixedly provided with a sealed extraction kettle 220, the bottom of the sealed extraction kettle 220 is fixedly arranged to penetrate through the water bath barrel 211 and the base 210 in a sealing manner, the top of the sealed extraction kettle 220 is respectively provided with a feed pipe 221, a carbon dioxide gas inlet pipe 223 and a deflation pipe 224, the feed pipe 221, the carbon dioxide gas inlet pipe 223 and the deflation pipe 224 are fixedly arranged to penetrate through the top wall of the sealed extraction kettle 220 in a sealing manner, the middle part of the feed pipe 221 positioned in the sealed extraction kettle 220 is provided with a first electromagnetic valve 222, the middle part of the deflation pipe 224 positioned outside the sealed extraction kettle 220 is provided with a second electromagnetic valve 225, the bottom of the sealed extraction kettle 220 is fixedly provided with a liquid carbon dioxide discharge pipe 226, the screen mesh is arranged in the carbon dioxide discharge pipe 226, so that when the liquid carbon dioxide carries the mugwort leaf essential oil into the sealed separation kettle 230, the mugwort leaf residue after extraction can be left in the sealed extraction kettle 220, the third electromagnetic valve 227 is arranged in the middle of the liquid carbon dioxide discharge pipe 226, specifically, the first electromagnetic valve 222 and the second electromagnetic valve 225 are opened, the dried mugwort leaf particles enter the sealed extraction kettle 220 through the material conveying hard pipe 142, the material conveying hose 143 and the material conveying pipe 221, at the moment, the liquid water in the water bath barrel 211 is heated through the heating device in the water bath barrel 211, the mugwort leaf particles entering the sealed extraction kettle 220 always keep 35 ℃, when the mugwort leaf particles completely enter the sealed extraction kettle 220, the first electromagnetic valve 222 is closed, and meanwhile, the carbon dioxide gas is continuously introduced into the sealed extraction kettle 220 through the carbon dioxide gas inlet pipe 223, at this time, the air in the sealed extraction tank 220 is discharged through the air discharge pipe 224, and when the air discharge pipe 224 continuously discharges carbon dioxide gas, the second electromagnetic valve 225 is closed, the compressor is opened, compressed carbon dioxide liquid is introduced into the sealed extraction tank 220 through the carbon dioxide gas inlet pipe 223, the internal air pressure of the sealed extraction tank 220 is always maintained at 16MPa, after standing for 30min, the third electromagnetic valve 227 is adjusted, so that the carbon dioxide liquid stably enters the sealed separation tank 230 through the liquid carbon dioxide discharge pipe 226 at a rate of 20kg/h, and the internal air pressure of the sealed extraction tank 220 is maintained.
Further, a sealed separating kettle 230 is arranged at the bottom of the sealed extracting kettle 220, a limiting ring 231 is fixedly arranged on the outer side wall of the sealed separating kettle 230, a plurality of groups of connecting columns 232 are fixedly arranged on the upper surface of the limiting ring 231, and the other ends of the plurality of groups of connecting columns 232 are fixedly connected with the base 210.
Further, the bottom end of the liquid carbon dioxide discharge pipe 226 is fixed and penetrates through the sealed separation kettle 230 in a sealing manner, a pressure release pipe 233 is arranged on the upper wall of the sealed separation kettle 230, the pressure release pipe 233 is fixed and penetrates through the sealed separation kettle 230 in a sealing manner, a pressure release valve 234 is arranged in the middle of the pressure release pipe 233 which is positioned on the outer side of the sealed separation kettle 230, an essential oil discharge pipe 235 is fixed and installed at the bottom of the sealed separation kettle 230, a fourth electromagnetic valve 236 is specifically arranged in the middle of the essential oil discharge pipe 235, the pressure in the sealed separation kettle 230 is increased by opening the pressure release valve 234, so that liquid carbon dioxide is vaporized, carbon dioxide gas flows out of the pressure release pipe 233, after a period of time, the fourth electromagnetic valve 236 is opened, the mugwort essential oil in the sealed separation kettle 230 can be discharged, impurities are contained in the mugwort essential oil, the mugwort essential oil with the impurities is added into 2 times of absolute ethyl alcohol, the mugwort essential oil is placed overnight after stirring, the settled waxy components are removed, and the ethanol is recovered through vacuum suction at 30 ℃ to obtain the waxy-removed essential oil.
Further, the drying assembly 110 comprises a base 111, a ventilation plate 112 is arranged in the middle of the base 111, a vortex coil 113 is fixedly arranged on the upper surface of the base 111, extension springs 120 are fixedly arranged at the triangular position of the upper surface of the base 111, a double-layer heated substrate 130 is arranged on the upper part of the base 111, the bottom of the double-layer heated substrate 130 is fixedly connected with the top ends of the three groups of extension springs 120, a fine grid ventilation zone 131 is arranged in the middle of the upper plate body of the double-layer heated substrate 130, a coarse grid ventilation zone 132 is arranged in the middle of the lower plate body of the double-layer heated substrate 130, the fine grid ventilation zone 131 and the coarse grid ventilation zone 132 are aligned, by arranging the fine grid ventilation zone 131 and the coarse grid ventilation zone 132, the turbine fan 152 can uniformly blow the mugwort leaf particles on the double-layer heated substrate 130, a nonmetallic fence 140 is fixedly arranged on the upper surface of the double-layer heated substrate 130, the nonmetallic fence 140 provides protection for the mugwort leaf particles, the double-layer heated substrate 130 is prevented from falling down, specifically, alternating current between 220 v and 20 to 30 hz is supplied to the eddy current coil 113, and simultaneously, the turbofan 152 is started, an alternating magnetic field is generated around the eddy current coil 113, the magnetic flux passing through the double-layer heated substrate 130 is always changed under the action of the alternating magnetic field, heat is generated on the upper surface of the double-layer heated substrate 130 based on the eddy current effect, fresh mugwort leaves are uniformly heated and are quickly dried, the weight of the upper part of the telescopic spring 120 is reduced, the double-layer heated substrate 130 moves upwards under the counter force of the telescopic spring 120, the distance between the double-layer heated substrate 130 and the eddy current coil 113 is increased, the magnetic flux passing through the eddy current coil 113 is reduced, the induced current generated inside the eddy current is reduced, the heat generated on the surface of the eddy current coil is reduced, the temperature for heating mugwort leaf particles is reduced, thereby avoiding the loss of internal essential oil caused by excessive heating of mugwort leaf particles.
Further, the winnowing assembly 150 includes the base 151, base 111 bottom and base 151 fixed connection, the base 151 middle part is equipped with turbofan 152, turbofan 152's wind-force can be adjusted, turbofan 152's gas flow direction is perpendicular to pivot, and common axial fan gas flow direction is parallel with the pivot, turbofan 152 can ensure that gas flow direction is parallel blows to the mugwort granule, turbofan 152 lateral wall fixed mounting has multiunit to support rib 153, multiunit supports rib 153 other end and base 151 inside wall fixed connection, the winnowing assembly 150 still includes lid 160, lid 160 and non-metal rail 140 top sealing fixed connection, lid 160 lower surface fixed mounting has triangular sloping plate 161, specifically, when fresh mugwort granule is dried, mugwort granule self weight reduction, mugwort granule that is dried under turbofan 152's effect can be blown up by the effect, owing to set up fine grid ventilation zone 131 and coarse grid ventilation zone 132, the wind-force of turbofan 152 can be even blow to the granule on the bilayer heated substrate 130 from fine grid ventilation zone 131, thereby make the granule of stoving separate with moist granule, the granule of lid 160 is fixed connection with the top seal, concretely, the mugwort granule that is dried down through the effect of the mugwort granule of fine grid 141 enters into the mugwort pipe 142 under the effect of the mugwort of the stoving.
Further, a discharge hole 141 is formed in one side, close to the bottom of the triangular inclined plate 161, of the nonmetallic fence 140, a material conveying hard pipe 142 is fixedly mounted on the side wall of the discharge hole 141, a material conveying hose 143 is fixedly mounted at one end, far away from the discharge hole 141, of the material conveying hard pipe 142, and a port at one end, far away from the material conveying hard pipe 142, of the material conveying hose 143 is communicated with the material feeding pipe 221.
The application process of the invention is as follows: by taking 20kg of fresh mugwort leaves, crushing the fresh mugwort leaves by a granulator, placing the crushed mugwort leaves on a double-layer heated substrate 130, supplying 220V alternating current between 20 and 30 Hz alternating current to a vortex coil 113, simultaneously starting a turbofan 152, generating an alternating magnetic field around the vortex coil 113, constantly changing magnetic flux passing through the double-layer heated substrate 130 under the action of the alternating magnetic field, generating heat on the upper surface of the double-layer heated substrate 130 based on the vortex effect, so that the fresh mugwort leaves are uniformly heated and quickly dried, when the fresh mugwort leaves are dried, the weight of mugwort leaves is reduced, the dried mugwort leaves are blown up under the action of the turbofan 152, and the fine-mesh air-permeable region 131 and the coarse-mesh air-permeable region 132 are arranged, the wind of the turbofan 152 uniformly blows the mugwort leaf particles on the double-layer heated substrate 130 from the fine mesh ventilation area 131, so that the dried mugwort leaf particles are separated from the moist mugwort leaf particles, the dried mugwort leaf particles enter the material conveying hard pipe 142 through the discharge hole 141 under the action of the triangular inclined plate 161, so that the total amount of mugwort leaf particles on the double-layer heated substrate 130 is reduced, the weight of the upper part of the telescopic spring 120 is reduced, the double-layer heated substrate 130 moves upwards under the counter force of the telescopic spring 120, the distance between the double-layer heated substrate 130 and the vortex coil 113 is increased, the magnetic flux passing through the vortex coil 113 is reduced, the induced current generated inside the double-layer heated substrate 130 is reduced, the heat generated on the surface of the double-layer heated substrate is reduced, the temperature for heating mugwort leaf particles is reduced, the mugwort leaf particles are prevented from being excessively heated, the internal essential oil is prevented from being lost, the first electromagnetic valve 222 and the second electromagnetic valve 225 are opened, the dried mugwort leaf particles enter the sealed extraction kettle 220 through the hard conveying pipe 142, the conveying hose 143 and the feeding pipe 221, at the moment, the liquid water in the water bath barrel 211 is heated through the heating device in the water bath barrel 211, so that the mugwort leaf particles entering the sealed extraction kettle 220 always keep 35 ℃, when the mugwort leaf particles completely enter the sealed extraction kettle 220, the first electromagnetic valve 222 is closed, simultaneously, the carbon dioxide gas is continuously introduced into the sealed extraction kettle 220 through the carbon dioxide gas inlet pipe 223, at the moment, the air in the sealed extraction kettle 220 is discharged through the air discharge pipe 224, when the carbon dioxide gas is continuously discharged through the air discharge pipe 224, the second electromagnetic valve 225 is closed, the compressor is opened, the compressed carbon dioxide liquid is introduced into the sealed extraction kettle 220 through the carbon dioxide gas inlet pipe 223, maintaining the internal air pressure of the sealed extraction kettle 220 at 16MPa, standing for 30min, regulating the third electromagnetic valve 227 to enable carbon dioxide liquid to stably enter the sealed separation kettle 230 at a rate of 20kg/h through the liquid carbon dioxide discharge pipe 226, simultaneously maintaining the internal air pressure of the sealed extraction kettle 220, closing the third electromagnetic valve 227 after 80min, raising the air pressure in the sealed separation kettle 230 by opening the pressure release valve 234 so as to vaporize liquid carbon dioxide, enabling the vaporized carbon dioxide gas to flow out of the pressure release pipe 233, opening the fourth electromagnetic valve 236 after a period of time, discharging the mugwort leaf essential oil in the sealed separation kettle 230, wherein impurities are arranged in the mugwort leaf essential oil, adding the mugwort leaf essential oil with the impurities into 2 times of absolute ethyl alcohol, standing overnight after stirring, vacuum filtering, removing precipitated waxy components, decompressing and recovering the ethyl alcohol from filtrate at 30 ℃, the dewaxed and the argyi leaf essential oil are obtained.
The above description is of the preferred embodiments of the present invention, and any person skilled in the art may modify the present invention or make modifications to the present invention with the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present invention falls within the scope of the protection claimed by the present invention.
Claims (2)
1. The utility model provides a mugwort essential oil extraction equipment, includes dry sieving mechanism (100) and extraction device (200), its characterized in that: the dry screening device (100) includes a winnowing assembly (150), further including: a drying assembly (110) coupled to the air separation assembly (150);
the extraction device (200) comprises a base (210), a water bath barrel (211) is fixedly arranged on the upper surface of the base (210), liquid water is filled in the water bath barrel (211), a sealed extraction kettle (220) is fixedly arranged at the top of the water bath barrel (211), the bottom of the sealed extraction kettle (220) is fixedly penetrated through the water bath barrel (211) and the base (210) in a sealing manner, a feeding pipe (221), a carbon dioxide gas inlet pipe (223) and a deflation pipe (224) are respectively arranged at the top end of the sealed extraction kettle (220), the feeding pipe (221), the carbon dioxide gas inlet pipe (223) and the deflation pipe (224) are fixedly penetrated through the top wall of the sealed extraction kettle (220) in a sealing manner, a first electromagnetic valve (222) is arranged in the middle of the feeding pipe (221) positioned in the sealed extraction kettle (220), a second electromagnetic valve (225) is arranged in the middle of the deflation pipe (224) positioned at the outer side of the sealed extraction kettle (220), a liquid carbon dioxide discharge pipe (226) is fixedly arranged at the bottom of the sealed extraction kettle (220), and a third electromagnetic valve (227) is arranged in the middle of the liquid carbon dioxide discharge pipe (226);
the bottom of the sealed extraction kettle (220) is provided with a sealed separation kettle (230), the outer side wall of the sealed separation kettle (230) is fixedly provided with a limiting ring (231), the upper surface of the limiting ring (231) is fixedly provided with a plurality of groups of connecting columns (232), and the other ends of the connecting columns (232) are fixedly connected with a base (210);
the bottom end of the liquid carbon dioxide discharge pipe (226) is fixedly and hermetically penetrated through the sealed separation kettle (230), a pressure release pipe (233) is arranged on the upper wall of the sealed separation kettle (230), the pressure release pipe (233) is fixedly and hermetically penetrated through the sealed separation kettle (230), a pressure release valve (234) is arranged in the middle of the pressure release pipe (233) positioned at the outer side of the sealed separation kettle (230), an essential oil discharge pipe (235) is fixedly arranged at the bottom of the sealed separation kettle (230), and a fourth electromagnetic valve (236) is arranged in the middle of the essential oil discharge pipe (235);
the drying assembly (110) comprises a base (111), an air permeable plate (112) is arranged in the middle of the base (111), an eddy current coil (113) is fixedly arranged on the upper surface of the base (111), telescopic springs (120) are fixedly arranged at triangular positions on the upper surface of the base (111), a double-layer heated substrate (130) is arranged on the upper portion of the base (111), the bottoms of the double-layer heated substrate (130) are fixedly connected with the top ends of the three groups of telescopic springs (120), a fine grid ventilation area (131) is formed in the middle of an upper plate body of the double-layer heated substrate (130), a coarse grid ventilation area (132) is formed in the middle of a lower plate body of the double-layer heated substrate (130), the fine grid ventilation area (131) is aligned with the coarse grid ventilation area (132), and a nonmetal fence (140) is fixedly arranged on the upper surface of the double-layer heated substrate (130).
The wind separation assembly (150) comprises a base (151), the bottom of the base (111) is fixedly connected with the base (151), a turbofan (152) is arranged in the middle of the base (151), the wind power of the turbofan (152) can be adjusted, a plurality of groups of supporting ribs (153) are fixedly arranged on the side wall of the turbofan (152), the other ends of the supporting ribs (153) are fixedly connected with the inner side wall of the base (151), the wind separation assembly (150) further comprises a cover body (160), the cover body (160) is fixedly connected with the top of the nonmetallic fence (140) in a sealing mode, and a triangular inclined plate (161) is fixedly arranged on the lower surface of the cover body (160);
the non-metal fence (140) is close to one side of triangle swash plate (161) bottom and has seted up discharge gate (141), discharge gate (141) lateral wall fixed mounting has defeated material hard tube (142), the one end fixed mounting that discharge gate (141) was kept away from to defeated material hard tube (142) has defeated material hose (143), the one end port and inlet pipe (221) intercommunication that defeated material hard tube (142) were kept away from to defeated material hose (143).
2. The method for extracting essential oil from mugwort essential oil extracting apparatus as claimed in claim 1, wherein: the method also comprises the following specific operation steps:
s1: taking 20kg of fresh mugwort leaves, crushing the fresh mugwort leaves by a granulator, wherein the diameter of the crushed mugwort leaves is larger than the grid distance of a fine grid ventilation area (131), placing the crushed mugwort leaves on a double-layer heated substrate (130), supplying 220V alternating current between 20 and 30 Hz alternating current to an eddy current coil (113), and simultaneously starting a turbofan (152);
s2: the eddy coil (113) generates an alternating magnetic field around, the magnetic flux passing through the double-layer heated substrate (130) is always changed under the action of the alternating magnetic field, heat is generated on the upper surface of the double-layer heated substrate (130) based on the eddy effect, so that fresh mugwort leaves are uniformly heated and quickly dried, when fresh mugwort leaf particles are dried, the weight of mugwort leaf particles per se is reduced, the dried mugwort leaf particles are blown up under the action of the turbofan (152), due to the arrangement of the fine mesh ventilation area (131) and the coarse mesh ventilation area (132), the wind power of the turbofan (152) is uniformly blown from the fine mesh ventilation area (131) to mugwort leaf particles on the double-layer heated substrate (130), thereby separating the dried mugwort leaf particles from the moist mugwort leaf particles, leading the dried mugwort leaf particles to enter the conveying hard tube (142) through the discharge hole (141) under the action of the triangular inclined plate (161), reducing the total amount of mugwort leaf particles on the double-layer heated substrate (130), reducing the weight of the upper part of the telescopic spring (120), moving the double-layer heated substrate (130) upwards under the action of the counter force of the telescopic spring (120), increasing the distance between the double-layer heated substrate (130) and the vortex coil (113), reducing the magnetic flux passing through the vortex coil (113), reducing the induced current generated inside the vortex coil, reducing the heat generated on the surface of the vortex coil, reducing the heating temperature of mugwort leaf particles, avoiding the mugwort leaf particles from being excessively heated, causing loss of internal essential oils;
s3: the first electromagnetic valve (222) and the second electromagnetic valve (225) are opened, the dried mugwort leaf particles enter the sealed extraction kettle (220) through the material conveying hard pipe (142), the material conveying hose (143) and the material feeding pipe (221), at the moment, liquid water in the water bath barrel (211) is heated through a heating device in the water bath barrel (211), so that the mugwort leaf particles entering the sealed extraction kettle (220) always keep 35 ℃, when all mugwort leaf particles enter the sealed extraction kettle (220), the first electromagnetic valve (222) is closed, and simultaneously, carbon dioxide gas is continuously introduced into the sealed extraction kettle (220) through the carbon dioxide gas inlet pipe (223), at the moment, air in the sealed extraction kettle (220) is discharged through the air discharging pipe (224), and when the air discharging pipe (224) continuously discharges the carbon dioxide gas, the second electromagnetic valve (225) is closed;
s4: the compressor is turned on, compressed carbon dioxide liquid is introduced into the sealed extraction kettle (220) through a carbon dioxide gas inlet pipe (223), so that the internal air pressure of the sealed extraction kettle (220) is always kept at 16MPa, and the sealed extraction kettle is kept stand for 30min;
s5: after standing for 30min, regulating a third electromagnetic valve (227) to enable carbon dioxide liquid to stably enter a sealed separation kettle (230) through a liquid carbon dioxide discharge pipe (226) at the speed of 20kg/h, simultaneously maintaining the internal air pressure of the sealed extraction kettle (220), and closing the third electromagnetic valve (227) after 80 min;
s6: the pressure release valve (234) is opened to enable the air pressure in the sealed separation kettle (230) to be increased, so that liquid carbon dioxide is vaporized, the vaporized carbon dioxide flows out of the pressure release pipe (233), after a period of time, the fourth electromagnetic valve (236) is opened, the mugwort leaf essential oil in the sealed separation kettle (230) can be released, and impurities exist in the mugwort leaf essential oil at the moment;
s7: adding the mugwort leaf essential oil in the step S6 into 2 times of absolute ethyl alcohol, standing overnight after stirring, vacuum filtering, removing precipitated waxy components, and recovering the ethyl alcohol from the filtrate at 30 ℃ under reduced pressure to obtain the dewaxed mugwort leaf essential oil.
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| CN202210700675.1A CN114907915B (en) | 2022-06-20 | 2022-06-20 | Mugwort essential oil extraction equipment and preparation method thereof |
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|---|---|---|---|---|
| DE4002161A1 (en) * | 1990-01-25 | 1991-08-01 | Walter Rau Neusser Oel Und Fet | Extracting oils and fats - from exhausted adsorbent with supercritical carbon di:oxide |
| KR100781694B1 (en) * | 2006-11-28 | 2007-12-03 | 노한래 | The apparatus for extracting oriental medicine where the electromagnetic induction heating uses heating structures |
| CN205321098U (en) * | 2015-12-31 | 2016-06-22 | 涂其弓 | System is got rid of to tealeaves caffeine |
| CN112557993A (en) * | 2020-11-13 | 2021-03-26 | 广东电网有限责任公司广州供电局 | Vegetable oil transformer thermal fault simulation system based on eddy current heating |
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2022
- 2022-06-20 CN CN202210700675.1A patent/CN114907915B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4002161A1 (en) * | 1990-01-25 | 1991-08-01 | Walter Rau Neusser Oel Und Fet | Extracting oils and fats - from exhausted adsorbent with supercritical carbon di:oxide |
| KR100781694B1 (en) * | 2006-11-28 | 2007-12-03 | 노한래 | The apparatus for extracting oriental medicine where the electromagnetic induction heating uses heating structures |
| CN205321098U (en) * | 2015-12-31 | 2016-06-22 | 涂其弓 | System is got rid of to tealeaves caffeine |
| CN112557993A (en) * | 2020-11-13 | 2021-03-26 | 广东电网有限责任公司广州供电局 | Vegetable oil transformer thermal fault simulation system based on eddy current heating |
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Denomination of invention: A device for extracting essential oil from Artemisia argyi leaves and its preparation method Effective date of registration: 20231226 Granted publication date: 20230919 Pledgee: Jiangxi Jishui Rural Commercial Bank Co.,Ltd. Pledgor: JISHUI JINHAI NATURAL ESSENTIAL OIL TECHNOLOGY CO.,LTD. Registration number: Y2023980074497 |