CN207418695U - For extracting the process units of fragrant plant ingredient - Google Patents
For extracting the process units of fragrant plant ingredient Download PDFInfo
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- CN207418695U CN207418695U CN201721205934.4U CN201721205934U CN207418695U CN 207418695 U CN207418695 U CN 207418695U CN 201721205934 U CN201721205934 U CN 201721205934U CN 207418695 U CN207418695 U CN 207418695U
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- 230000008569 process Effects 0.000 title claims abstract description 30
- 238000000605 extraction Methods 0.000 claims abstract description 138
- 239000002994 raw material Substances 0.000 claims abstract description 96
- 239000002904 solvent Substances 0.000 claims abstract description 66
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- 239000007788 liquid Substances 0.000 description 17
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- 244000178870 Lavandula angustifolia Species 0.000 description 12
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Abstract
The utility model is related to a kind of for extracting the process units of fragrant plant ingredient, including：Raw material kettle, raw material kettle are connected by vacuum pump with condenser；Solvent tank, solvent tank are connected respectively with the bottom of raw material kettle, condenser；And extraction kettle, extraction kettle are connected respectively with vacuum pump, raw material kettle, the lower part and top of extraction kettle are respectively arranged with supercritical fluid entrance and supercritical fluid outlet.The utility model additionally provides a kind of production method.The process units for being used to extract fragrant plant ingredient of the utility model is employed, utilizes supercritical CO2Abstraction technique extracts fresh plant petal or branches and leaves, not only solves traditional extraction of essential oil process active ingredient and destroys the problems such as serious, while closed container extraction reduces the loss to volatile ingredient, and products obtained therefrom fragrance is more natural true to nature；Isolated essential oil, plant tissue cell's water and water-soluble aromatic ingredient, three kinds of products can provide specific aim stronger plant extract raw material for cosmetic industry simultaneously.
Description
Technical field
Separation, in particular to a kind of use the utility model is related to separation field more particularly to extraction fragrant plant ingredient
In the process units of extraction fragrant plant ingredient.
Background technology
Characteristic of the fragrant plant because of it with fragrance and for extracting aromatic oil, is widely used in life, has both medicine
With the shared attribute of plant and spice berry.Fragrant plant is widely distributed in raise crop and wild plant, and China's fragrance is planted
Object is resourceful, common are 70 section more than 200 such as Rutaceae, Lauraceae, Labiatae, the rose family, composite family category, and main integrated distribution exists
The ground such as Zhejiang, Fujian, Xinjiang, Guangxi.
Essential oil is the highly concentrated extract of fragrant plant, has good volatility and special fragrance, generally by several
Ten kinds of even hundreds of compounds with labyrinth form, and contain terpene, aromatic series, aliphatic, nitrogenous sulfur-containing compound
Etc. a variety of natural active matters.Numerous essential oils have the bioactive functions such as anti-oxidant, antibacterial bacteriostatic, also have certain beauty shield
Skin effect becomes important composition or the adding ingredient of cosmetics, health products, drug etc..These substances are easily absorbed by the body, and cut and ooze
It is thoroughly rapid, finally can tachymetabolism go out in vitro, in the industries such as food, daily-use chemical industry existing various plants essential oil as fragrance or
Essence widely uses, and antibacterial in medical treatment, analgesia etc., agriculturally prevention and control of plant diseases, pest control etc. has certain application.With
Improvement of living standard, the demand of plants essential oil are continuously increased, and plants essential oil industry has a high potential.The extraction of fragrant plant
Using in the process, can also generate water-soluble aromatic ingredient (such as cellular water, hydrosol) and phytochrome product, in food, makeup
The sector applications such as product are extensive.
The traditional technology mode of existing production plants essential oil is mainly steam distillation, organic solvent extractionprocess etc..Water
The many ingredients of steam distillation easily thermally decompose, and recovery rate is relatively low, and impurity content is high, and fragrance is impure, high energy consumption, and byproduct is more；Have
Solvent method is mainly extracted using petroleum ether, and solvent dosage is big, of high cost, and solvent recovering rate is low, generation environment pollution, and
Often there is dissolvent residual, the quality of essential oil product is produced bigger effect.Supercritical CO2Extraction is as a kind of efficient extraction skill
Art, the shortcomings that overcoming the above method, can high efficiency extraction essential oil, impurity is few, and mild operating condition can effectively purify various work
Property substance, and CO can be recycled2, be environmental-friendly high efficiency extraction essential oil method.It is planted to change traditional method for extracting
The efficiency of object essential oil is low, the adverse effect of pollution environment, there is an urgent need to propose a kind of extraction process of new plants essential oil, utilizes
Supercritical CO2Extraction improves essential oil quality, increases added value and competitiveness.
Utility model content
The purpose of the utility model is to overcome the shortcomings that the above-mentioned prior art, provide a kind of extracted products purity it is high,
Operating procedure is simple, extraction time is short, efficient extract and separate plants essential oil and water-soluble aromatic ingredient, effectively reduces plants essential oil
The process units for being used to extract fragrant plant ingredient of middle moisture content.
To achieve these goals, the utility model provides a kind of for extracting the process units of fragrant plant ingredient,
It is mainly characterized by, and has following form：
The process units includes：
Raw material kettle, the raw material kettle are connected by vacuum pump with condenser；
Solvent tank, the solvent tank are connected respectively with the bottom of the raw material kettle, condenser；And
Extraction kettle, the extraction kettle are connected respectively with the vacuum pump, raw material kettle, the lower part of the extraction kettle
Supercritical fluid entrance and supercritical fluid outlet are respectively arranged with top.
It is preferred that the raw material kettle and the top of extraction kettle are connected respectively with the vacuum pump, and it is described true
The one side of sky the pump neighbouring raw material kettle and the extraction kettle is provided with vacuum-breaking valve.
It is preferred that the supercritical fluid outlet is connected with separative element, the separative element includes being in series
At least two knockout drums；The supercritical fluid entrance is connected with supercritical fluid supply unit by force (forcing) pump.
It is preferred that the raw material kettle is internally provided with detachable filter, the solvent tank and the raw material
Solvent pump is provided between the bottom of kettle, the extraction kettle and raw material kettle are respectively arranged with heater.
It is preferred that the bottom of the extraction kettle is additionally provided with water-soluble products drain valve, the bottom of the raw material kettle
It is provided with blowdown valve.
Employ having the beneficial effect that for the process units for being used to extract fragrant plant ingredient of the utility model：
1), vacuumize and collect plant cell water (condensate liquid), be that broken wall treatment has been carried out to plant cell, aromatic substance
Release is more effective；
2), solvent recoverable in single unit system and method, reduces cost and reduces environmental pollution simultaneously；
3) the problems such as filter of disassembling cleaning, is provided in raw material kettle, can effectively solve pipeline blockage, to greatest extent
Solid impurity is retained on ground, and plant extraction liquid is efficiently drained to supercritical extraction reactor；
4) plant cell water installations and overcritical device not only unicom, are collected but also mutual indepedent, it can be with continuous processing plant group
It knits, while obtains a variety of aromatic props such as cellular water, essential oil, water-soluble products, and can independently handle different plants
Sample, for device using flexibly, vacancy rate is low；
5), device integrated operation mild condition, broken wall treatment and first supercritical processing can preserve heat-sensitive substance well,
Fragrance reduction degree is high；
6), extraction of essential oil rate improves, while a variety of aromatic props (cellular water, water-soluble aromatic ingredient, pigment etc.) are independent
Separation and acquisition, add plant utilization rate.
Description of the drawings
Fig. 1 is the structure diagram for being used to extract the process units of fragrant plant ingredient of the utility model.
Fig. 2 is the flow that being used for based on the utility model extracts the production method of the process units of fragrant plant ingredient
Figure.
Reference numeral：
1 carbon dioxide steel cylinder, 2 carbon dioxide entrance block valve
3 carbon dioxide pressurizations pump 4 extraction kettle entrance block valves
5 carbon dioxide pipeline, 6 extraction kettle
7 raw material kettle, 8 filter
9 vacuum pump, 10 condenser
11 cellular waters collect 12 solvent recovery valve of valve
13 solvent tank, 14 solvent pump
15 solvent pipe, 16 solvent adds valve
17 leaching liquor remittance abroad valve, 18 leaching liquor remittance abroad pipeline
19 extraction kettles concentrate 20 vacuum valve of valve
21 extraction kettle outlet valve, 22 flow control valve
23 first knockout drum, 24 first essential oil collects floss hole
25 second knockout drum, 26 second essential oil collects floss hole
27 carbon dioxide residual current drain valve, 28 extraction kettle safety valve
29 carbon dioxide separation tank safety valve, 30 vacuum-breaking valve
31 water-soluble products collect 32 blowdown valve of valve
Specific embodiment
In order to more clearly describe the technology contents of the utility model, come with reference to specific embodiment into traveling one
The description of step.
The utility model is the separation problem of active material and opposed polarity substance in solution essential oil product extraction process, is
Production efficiency is improved, comprehensively utilizes all kinds of by-products of fragrant plant, a kind of supercritical carbon dioxide separation fragrance is provided and plants
The apparatus and method of object opposed polarity ingredient, as shown in Fig. 1~2, process units includes：Raw material kettle 7, the raw material kettle 7 are logical
Vacuum pump 9 is crossed with condenser 10 to be connected；Solvent tank 13, the solvent tank 13 respectively with the bottom of the raw material kettle 7, cold
Condenser 10 is connected；And extraction kettle 6, the extraction kettle 6 is connected respectively with the vacuum pump 9, raw material kettle 7, described
Extraction kettle 6 lower part and top be respectively arranged with supercritical fluid entrance and supercritical fluid outlet.
Wherein, the top of the raw material kettle 7 and extraction kettle 6 is connected respectively with the vacuum pump 9, and described true
Sky pump 9 is provided with vacuum-breaking valve 30 adjacent to the one side of the raw material kettle and the extraction kettle；The supercritical fluid goes out
Mouth is connected with separative element, and the separative element includes at least two knockout drums 23,25 being in series；Described is overcritical
Fluid inlet is connected with carbon dioxide steel cylinder 1 by carbon dioxide pressurization pump 3；Being internally provided with for the raw material kettle 7 is removable
Filter 8 is unloaded, solvent pump 14, the extraction kettle 6 are provided between the solvent tank 13 and the bottom of the raw material kettle 7
Heater is respectively arranged with raw material kettle 7；The bottom of the extraction kettle is additionally provided with water-soluble products drain valve 31, described
The bottom of raw material kettle is provided with blowdown valve 32.
Raw material broken wall unit, vacuum condensing unit, liner filter element, solvent storage and recycling are formed via above device
Unit, carbon dioxide pressurization unit, extraction reaction groove body, carbon dioxide separation unit, material collection unit, carbon dioxide reflux
Unit.The raw material broken wall unit first half is connected with vacuum condensing unit, and broken wall is maintained to obtain plant cell water (cell hydrosol)
Operation；The liner filter element of lower half is stored with solvent to be connected with recovery unit, extraction reaction groove body, and plant tissue is molten
Liquid enters in supercritical carbon dioxide system；Carbon dioxide pressurization unit is connected with extraction kettle, reactive tank top device titanium dioxide
Carbon outlet simultaneously connects carbon dioxide separation unit, and the highly polar product generated in operating process is with low polarity product then by anti-
Slot is answered to be connected with the material collection unit below carbon dioxide separation tank, carries out collection of products, carbon dioxide separation unit divides
The carbon dioxide separated out is directly discharged by carbon dioxide reflux unit or is imported again reactive tank progress continous way and operates.
It is provided by the utility model to include following step for extracting a kind of embodiment of the production method of fragrant plant ingredient
Suddenly：
1), plant material pre-processes：Before plucking time is 10 points of morning, the plant flower of Full-open or ripe branch are picked
Leaf；Flower is gone into pistil, flower pedicle, collects fresh petal；Plant leaf is removed into dead leaf, impurity, chooses for use part；
2), raw material broken wall collects plant cell water (cell hydrosol)：It weighs 10Kg plant tissues to be put into raw material kettle 7, control
Make under 35~45 DEG C of lower temperatures, vacuumize for a long time, in condensing unit in gas to raw material kettle humidity without significant change,
Collection obtains plant cell water (cell hydrosol), and closing vacuumizes power；
3) plant leaching liquor immersion, is prepared：Solvent pump 14 is opened, by weight, according to plant tissue：Solvent=1:2~1:10
Ratio add in solvent after, to raw material kettle plant tissue extract 12h, obtain fragrant plant leaching liquor；
4), leaching liquor drains：The extraction kettle valve being connected with raw material kettle is opened, using pressure differential, passes through raw material kettle bottom
Fragrant plant leaching liquor is drained to extractor by the filtering bottom board of portion's filter；
5), vacuum distillation concentration：Extraction kettle is heated to 30 DEG C~40 DEG C, vacuum pump is opened, molten in plant leaching liquor immersion
Agent removes as much as possible, obtains plant extraction condensed cream；The solvent recoverable of extraction is depressurized, recovered solvent repeats leaching
It carries, repeatedly extracts plant fragrance substance；
6), supercritical extract is with collecting essential oil：Extraction kettle opens carbon dioxide steel cylinder after setting 35 DEG C~50 DEG C preheatings, will
Extraction kettle pressure is pressurized to 15~30MPa, and adjustment carbon dioxide flow is 10~25L/h, and 60~200min of extraction time is rich in
The carbon dioxide of essential oil carries out two-stage with the second knockout drum of carbon dioxide 25 in the first knockout drum 23 of the carbon dioxide of unicom and subtracts
Pressure separates, the unlatching essential oil collection collection plants essential oil of floss hole 24,26, and the pressure in first knockout drum is 5~8MPa, temperature
It spends for 30 DEG C~35 DEG C, the pressure in the second knockout drum is l~5MPa, and temperature is 25 DEG C.
7), the discharge of carbon dioxide residual current or recycling：Carbon dioxide after separation is straight via carbon dioxide residual current drain valve 27
Run in and put or recycle reuse, water-soluble products are opened after the completion of essential oil separation and collect water-soluble production in the collection extraction kettle of valve 31
Object terminates extraction flow.
Wherein 2) in the relatively thermophilic degree that vacuumizes be 35~40 DEG C, the stability and activity of vegetation water can be kept to greatest extent
Ingredient；3) preferably according to plant tissue in：Solvent=1:5 ratio adds in solvent, carries out plant tissue extraction；5) extraction kettle in
30 DEG C~35 DEG C of heating temperature, can effectively remove solvent；6) extraction temperature described in is 35 DEG C~40 DEG C, extracting pressure for 18~
20Mpa, 15~18L/h of carbon dioxide flow, extraction time are 100~150min.
Embodiment 1：The extraction of Rosa Damascana
1), plant material pre-processes：Before plucking time is 10 points of morning, the rose of Full-open is picked, flower is gone
Pistil, flower pedicle collect fresh petal.
2), raw material broken wall collects plant cell water (cell hydrosol)：It weighs 10Kg plant tissues and is put into filtering in raw material kettle
It is inserted after device 8 in raw material kettle 7, setting 7 temperature of raw material kettle opens the connection vacuum pump 9 of vacuum valve 20 and raw material kettle 7 is continued in 35 DEG C
It vacuumizes for a long time, the gas of extraction is collected valve 11 by cellular water by the liquid that condenser 10 condenses out and collected, and collects
Obtained liquid is rose cellular water (rose), and vacuum pump 9 is closed after being flowed out without apparent condensate liquid and is opened broken true
Empty 30 vacuum breaker of valve, raw material completes broken wall in raw material kettle 7 at this time.
3) plant leaching liquor immersion, is prepared：It opens solvent pump 14 and connects solvent tank 13 and raw material kettle 7 with solvent addition valve 16, and
By weight, to raw material kettle plant tissue according to plant tissue：Solvent=1:After 5 ratio adds in solvent, 12h is extracted, is obtained
Rose extract；
4), leaching liquor drains：Extraction kettle concentration valve 19 is opened after closing vacuum valve 20 and through vacuum pump 9 to extraction kettle 6
It vacuumizes, opens leaching liquor remittance abroad valve 17 at this time and connect raw material kettle 7 and extraction kettle 6, the siphonage that pressure difference generates at this time can make
The filtering dress device that contained rose extract can be set up by Raw material pail internal filter 8 in Raw material pail 7 is filtered and passes through
Leaching liquor remittance abroad pipeline 18 is flowed into extraction kettle.
5), vacuum distillation concentration：Extraction kettle 6 is heated to 30 DEG C, vacuum pump 9 is opened and concentrates valve 19 with extraction kettle, to extraction
The rose extract in kettle 6 is taken to be evaporated under reduced pressure, obtains rose extraction condensed cream；The solvent of decompression extraction passes through condenser 10
It imports solvent tank 13 after being condensed to recycle, recovered solvent repeats extraction, repeatedly extracts rose aromatic substance；
6), supercritical extract is with collecting essential oil：Extraction kettle 6 opens carbon dioxide steel cylinder 1 simultaneously after the completion of setting 35 DEG C of preheatings
Carbon dioxide entrance block valve 2 and extraction kettle entrance block valve 4 are opened, carbon dioxide will extraction by carbon dioxide pressurization pump 3
Kettle pressure is pressurized to 18MPa, and kettle 7 to be extracted is in stable condition, opens carbon dioxide outlet valve 21 and passes through flow control valve 22 and adjusts
Whole carbon dioxide flow is 15L/h, and extraction time 150min, the carbon dioxide rich in Rosa Damascana is in the first separation of unicom
23 and second knockout drum 25 of tank carries out two-stage decompression separation, opens the first essential oil and collects floss hole 24, the collection discharge of the second essential oil
Mouthfuls 26, you can collect Rosa Damascana, the pressure in first knockout drum 23 is 5~8MPa, temperature is 35 DEG C, the second knockout drum
Pressure in 25 is l~5MPa, and temperature is 25 DEG C.Extract liquor is collected with Brown Glass Brown glass bottles and jars only, obtains Rosa Damascana 125.1g, it is fuel-displaced
Rate is 1.25%.
7), the discharge of carbon dioxide residual current or recycling：Carbon dioxide after separation is straight via carbon dioxide residual current drain valve 27
Run in and put or recycle reuse, water-soluble products are opened after the completion of essential oil separation and collect water-soluble production in the collection extraction kettle of valve 31
Object terminates extraction flow.
Embodiment 2：The extraction of Lavender
1), plant material pre-processes：Fixed plucking time is before 10 points of morning, the lavender of harvesting ripe goes to clean
Matter and dead leaf；
2), raw material broken wall collects plant cell water (cell hydrosol)：It weighs 10Kg plant tissues and is put into filtering in raw material kettle
It is inserted after device 8 in raw material kettle 7, setting 7 temperature of raw material kettle opens the connection vacuum pump 9 of vacuum valve 20 and raw material kettle 7 is continued in 35 DEG C
It vacuumizes for a long time, the gas of extraction is collected valve 11 by cellular water by the liquid that condenser 10 condenses out and collected, and collects
Obtained liquid is lavender cellular water (lavender hydrosol), and vacuum pump 9 is closed after being flowed out without apparent condensate liquid and is opened
30 vacuum breaker of vacuum-breaking valve, raw material completes broken wall in raw material kettle 7 at this time.
3) plant leaching liquor immersion, is prepared：It opens solvent pump 14 and connects solvent tank 13 and raw material kettle 7 with solvent addition valve 16, and
By weight, to raw material kettle plant tissue according to plant tissue：Solvent=1:After 5 ratio adds in solvent, 12h is extracted, is obtained
Lavender leaching liquor；
4), leaching liquor drains：Extraction kettle concentration valve 19 is opened after closing vacuum valve 20 and through vacuum pump 9 to extraction kettle 6
It vacuumizes, opens leaching liquor remittance abroad valve 17 at this time and connect raw material kettle 7 and extraction kettle 6, the siphonage that pressure difference generates at this time can make
The filtering dress device that contained lavender leaching liquor can be set up by Raw material pail internal filter 8 in Raw material pail 7 is filtered and leads to
Leaching liquor remittance abroad pipeline 18 is crossed to flow into extraction kettle.
5), vacuum distillation concentration：Extraction kettle 6 is heated to 40 DEG C, vacuum pump 9 is opened and concentrates valve 19 with extraction kettle, to extraction
The lavender leaching liquor in kettle 6 is taken to be evaporated under reduced pressure, obtains lavender extraction condensed cream；The solvent of decompression extraction passes through condensation
Device 10 imports solvent tank 13 after being condensed and recycles, and recovered solvent repeats extraction, repeatedly extracts lavender aromatic substance
Matter；
6), supercritical extract is with collecting essential oil：Extraction kettle 6 opens carbon dioxide steel cylinder 1 simultaneously after the completion of setting 40 DEG C of preheatings
Carbon dioxide entrance block valve 2 and extraction kettle entrance block valve 4 are opened, carbon dioxide will extraction by carbon dioxide pressurization pump 3
Kettle pressure is pressurized to 20MPa, and kettle 7 to be extracted is in stable condition, opens carbon dioxide outlet valve 21 and passes through flow control valve 22 and adjusts
Whole carbon dioxide flow is 20L/h, and extraction time 120min, the carbon dioxide rich in Lavender is at first point of unicom
Two-stage decompression separation is carried out from 23 and second knockout drum 25 of tank, the first essential oil is opened and collects floss hole 24, the second essential oil collection row
Put mouth 26, you can collect Lavender, the pressure in first knockout drum 23 is 5~8MPa, temperature is 35 DEG C, second point
It is l~5MPa from the pressure in tank 25, temperature is 25 DEG C.Extract liquor is collected with Brown Glass Brown glass bottles and jars only, obtains Lavender
312.3g, oil yield 3.12%.
7), the discharge of carbon dioxide residual current or recycling：Carbon dioxide after separation is straight via carbon dioxide residual current drain valve 27
Run in and put or recycle reuse, water-soluble products are opened after the completion of essential oil separation and collect water-soluble production in the collection extraction kettle of valve 31
Object terminates extraction flow.
Embodiment 3：The extraction of osmanthus essential oil
1), plant material pre-processes：Fixed plucking time is before 10 points of morning, the sweet osmanthus of harvesting ripe removes impurity；
2), raw material broken wall collects plant cell water (cell hydrosol)：It weighs 10Kg plant tissues and is put into filtering in raw material kettle
It is inserted after device 8 in raw material kettle 7, setting 7 temperature of raw material kettle opens the connection vacuum pump 9 of vacuum valve 20 and raw material kettle 7 is continued in 40 DEG C
It vacuumizes for a long time, the gas of extraction is collected valve 11 by cellular water by the liquid that condenser 10 condenses out and collected, and collects
Obtained liquid is sweet osmanthus cellular water (sweet osmanthus hydrosol), and vacuum pump 9 is closed after being flowed out without apparent condensate liquid and is opened broken true
Empty 30 vacuum breaker of valve, raw material completes broken wall in raw material kettle 7 at this time.
3) plant leaching liquor immersion, is prepared：It opens solvent pump 14 and connects solvent tank 13 and raw material kettle 7 with solvent addition valve 16, and
By weight, to raw material kettle plant tissue according to plant tissue：Solvent=1:After 5 ratio adds in solvent, 12h is extracted, is obtained
Sweet osmanthus leaching liquor；
4), leaching liquor drains：Extraction kettle concentration valve 19 is opened after closing vacuum valve 20 and through vacuum pump 9 to extraction kettle 6
It vacuumizes, opens leaching liquor remittance abroad valve 17 at this time and connect raw material kettle 7 and extraction kettle 6, the siphonage that pressure difference generates at this time can make
The filtering dress device that contained sweet osmanthus leaching liquor can be set up by Raw material pail internal filter 8 in Raw material pail 7 is filtered and passes through
Leaching liquor remittance abroad pipeline 18 is flowed into extraction kettle.
5), vacuum distillation concentration：Extraction kettle 6 is heated to 35 DEG C, vacuum pump 9 is opened and concentrates valve 19 with extraction kettle, to extraction
The sweet osmanthus leaching liquor in kettle 6 is taken to be evaporated under reduced pressure, obtains sweet osmanthus extraction condensed cream；The solvent of decompression extraction passes through condenser 10
It imports solvent tank 13 after being condensed to recycle, recovered solvent repeats extraction, repeatedly extracts sweet osmanthus aromatic substance；
6), supercritical extract is with collecting essential oil：Extraction kettle 6 opens carbon dioxide steel cylinder 1 simultaneously after the completion of setting 45 DEG C of preheatings
Carbon dioxide entrance block valve 2 and extraction kettle entrance block valve 4 are opened, carbon dioxide will extraction by carbon dioxide pressurization pump 3
Kettle pressure is pressurized to 20MPa, and kettle 7 to be extracted is in stable condition, opens carbon dioxide outlet valve 21 and passes through flow control valve 22 and adjusts
Whole carbon dioxide flow is 15L/h, and extraction time 200min, the carbon dioxide rich in osmanthus essential oil is in the first separation of unicom
23 and second knockout drum 25 of tank carries out two-stage decompression separation, opens the first essential oil and collects floss hole 24, the collection discharge of the second essential oil
Mouthfuls 26, you can collect osmanthus essential oil, the pressure in first knockout drum 23 is 5~8MPa, temperature is 40 DEG C, the second knockout drum
Pressure in 25 is l~5MPa, and temperature is 25 DEG C.Extract liquor is collected with Brown Glass Brown glass bottles and jars only, obtains osmanthus essential oil 81.2g, it is fuel-displaced
Rate is 0.81%.
7), the discharge of carbon dioxide residual current or recycling：Carbon dioxide after separation is straight via carbon dioxide residual current drain valve 27
Run in and put or recycle reuse, water-soluble products are opened after the completion of essential oil separation and collect water-soluble production in the collection extraction kettle of valve 31
Object terminates extraction flow.
Embodiment 4：The extraction of Peppermint essential oil
1), plant material pre-processes：Fixed plucking time is before 10 points of morning, peppermint bud to florescence gathers in, and goes
Except impurity；
2), raw material broken wall collects plant cell water (cell hydrosol)：It weighs 10Kg plant tissues and is put into filtering in raw material kettle
It is inserted after device 8 in raw material kettle 7, setting 7 temperature of raw material kettle opens the connection vacuum pump 9 of vacuum valve 20 and raw material kettle 7 is continued in 35 DEG C
It vacuumizes for a long time, the gas of extraction is collected valve 11 by cellular water by the liquid that condenser 10 condenses out and collected, and collects
Obtained liquid is peppermint cellular water (peppermint hydrosol), and vacuum pump 9 is closed after being flowed out without apparent condensate liquid and is opened broken true
Empty 30 vacuum breaker of valve, raw material completes broken wall in raw material kettle 7 at this time.
3) plant leaching liquor immersion, is prepared：It opens solvent pump 14 and connects solvent tank 13 and raw material kettle 7 with solvent addition valve 16, and
By weight, to raw material kettle plant tissue according to plant tissue：Solvent=1:After 5 ratio adds in solvent, 12h is extracted, is obtained
Peppermint leaching liquor；
4), leaching liquor drains：Extraction kettle concentration valve 19 is opened after closing vacuum valve 20 and through vacuum pump 9 to extraction kettle 6
It vacuumizes, opens leaching liquor remittance abroad valve 17 at this time and connect raw material kettle 7 and extraction kettle 6, the siphonage that pressure difference generates at this time can make
The filtering dress device that contained peppermint leaching liquor can be set up by Raw material pail internal filter 8 in Raw material pail 7 is filtered and passes through
Leaching liquor remittance abroad pipeline 18 is flowed into extraction kettle.
5), vacuum distillation concentration：Extraction kettle 6 is heated to 40 DEG C, vacuum pump 9 is opened and concentrates valve 19 with extraction kettle, to extraction
The peppermint leaching liquor in kettle 6 is taken to be evaporated under reduced pressure, obtains peppermint extraction condensed cream；The solvent of decompression extraction passes through condenser 10
It imports solvent tank 13 after being condensed to recycle, recovered solvent repeats extraction, repeatedly extracts peppermint aromatic substance；
6), supercritical extract is with collecting essential oil：Extraction kettle 6 opens carbon dioxide steel cylinder 1 simultaneously after the completion of setting 35 DEG C of preheatings
Carbon dioxide entrance block valve 2 and extraction kettle entrance block valve 4 are opened, carbon dioxide will extraction by carbon dioxide pressurization pump 3
Kettle pressure is pressurized to 15MPa, and kettle 7 to be extracted is in stable condition, opens carbon dioxide outlet valve 21 and passes through flow control valve 22 and adjusts
Whole carbon dioxide flow is 18L/h, and extraction time 150min, the carbon dioxide rich in Peppermint essential oil is in the first separation of unicom
23 and second knockout drum 25 of tank carries out two-stage decompression separation, opens the first essential oil and collects floss hole 24, the collection discharge of the second essential oil
Mouthfuls 26, you can collect Peppermint essential oil, the pressure in first knockout drum 23 is 5~8MPa, temperature is 40 DEG C, the second knockout drum
Pressure in 25 is l~5MPa, and temperature is 25 DEG C.Extract liquor is collected with Brown Glass Brown glass bottles and jars only, obtains Peppermint essential oil 131.4g, it is fuel-displaced
Rate is 1.31%.
7), the discharge of carbon dioxide residual current or recycling：Carbon dioxide after separation is straight via carbon dioxide residual current drain valve 27
Run in and put or recycle reuse, water-soluble products are opened after the completion of essential oil separation and collect water-soluble production in the collection extraction kettle of valve 31
Object terminates extraction flow.
The plants essential oil extracted amount that experiment shows to be prepared using the method for the utility model is by present 0.013%
~0.85% reaches more than 0.16%~3.32%, and extraction essential oil purity is caused to be increased to more than 99.0% by 95.1%, plants
Object essential oil moisture content is significantly reduced by 1.5% to less than 0.1%, is further promoted the utilization rate of raw material, is reached high-yield and high-efficiency
Purpose.
Compared to traditional technology, the utility model utilizes supercritical CO2Abstraction technique extracts fresh plant petal or branches and leaves,
It not only solves traditional extraction of essential oil process active ingredient to destroy the problems such as serious, while closed container extraction reduces to volatilization
The loss of property ingredient, obtained aromatic props fragrance are more natural true to nature；Isolated plants essential oil simultaneously, in addition vacuumize process
Water-soluble aromatic ingredient obtained by obtained plant tissue cell's water and super critical extraction process, three kinds of products of this technology can be to change
Cosmetic industry provides the stronger plant extract raw material of specific aim.
Employ having the beneficial effect that for the process units for being used to extract fragrant plant ingredient of the utility model：
1), vacuumize and collect plant cell water (condensate liquid), be that broken wall treatment has been carried out to plant cell, aromatic substance
Release is more effective；
2), solvent recoverable in single unit system and method, reduces cost and reduces environmental pollution simultaneously；
3) the problems such as filter of disassembling cleaning, is provided in raw material kettle, can effectively solve pipeline blockage, to greatest extent
Solid impurity is retained on ground, and plant extraction liquid is efficiently drained to supercritical extraction reactor；
4) plant cell water installations and overcritical device not only unicom, are collected but also mutual indepedent, it can be with continuous processing plant group
It knits, while obtains a variety of aromatic props such as cellular water, essential oil, water-soluble products, and can independently handle different plants
Sample, for device using flexibly, vacancy rate is low；
5), device integrated operation mild condition, broken wall treatment and first supercritical processing can preserve heat-sensitive substance well,
Fragrance reduction degree is high；
6), extraction of essential oil rate improves, while a variety of aromatic props (cellular water, water-soluble aromatic ingredient, pigment etc.) are independent
Separation and acquisition, add plant utilization rate.
In this description, the utility model is described with reference to its specific embodiment.It but it is clear that still can be with
The spirit and scope that various modification can be adapted and converts without departing from the utility model.Therefore, specification and drawings should be considered as
It is illustrative and not restrictive.
Claims (5)
1. a kind of process units for being used to extract fragrant plant ingredient, which is characterized in that the process units includes：
Raw material kettle, the raw material kettle are connected by vacuum pump with condenser；
Solvent tank, the solvent tank are connected respectively with the bottom of the raw material kettle, condenser；And
Extraction kettle, the extraction kettle are connected respectively with the vacuum pump, raw material kettle, the lower part of the extraction kettle and upper
Portion is respectively arranged with supercritical fluid entrance and supercritical fluid outlet.
2. the process units according to claim 1 for being used to extract fragrant plant ingredient, which is characterized in that the raw material
The top of kettle and extraction kettle is connected respectively with the vacuum pump, and the vacuum pump is adjacent to the raw material kettle and described
The one side of extraction kettle be provided with vacuum-breaking valve.
It is 3. according to claim 1 for extracting the process units of fragrant plant ingredient, which is characterized in that described super to face
Boundary's fluid outlet is connected with separative element, and the separative element includes at least two knockout drums being in series；Described is super
Critical fluids entrance is connected with supercritical fluid supply unit by force (forcing) pump.
4. the process units according to claim 1 for being used to extract fragrant plant ingredient, which is characterized in that the raw material
Kettle is internally provided with detachable filter, and solvent pump is provided between the solvent tank and the bottom of the raw material kettle.
5. the process units according to claim 1 for being used to extract fragrant plant ingredient, which is characterized in that the extraction
The bottom of kettle is additionally provided with water-soluble products drain valve, and the bottom of the raw material kettle is provided with blowdown valve, the extraction kettle
Heater is respectively arranged with raw material kettle.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110055130A (en) * | 2019-03-06 | 2019-07-26 | 中国热带农业科学院农产品加工研究所 | A kind of preparation method and application of natural plants hydrosol |
| CN110467969A (en) * | 2019-07-23 | 2019-11-19 | 广西壮族自治区林业科学研究院 | A kind of process equipment and processing method of jasmine flower concrete production jasmine essential oil |
| CN110693063A (en) * | 2019-11-13 | 2020-01-17 | 湖北中烟工业有限责任公司 | Preparation method of blueberry extract for cigarettes |
| TWI690358B (en) * | 2019-07-12 | 2020-04-11 | 四季洋圃生物機電股份有限公司 | Industrialized supercritical composite extraction system |
-
2017
- 2017-09-20 CN CN201721205934.4U patent/CN207418695U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110055130A (en) * | 2019-03-06 | 2019-07-26 | 中国热带农业科学院农产品加工研究所 | A kind of preparation method and application of natural plants hydrosol |
| TWI690358B (en) * | 2019-07-12 | 2020-04-11 | 四季洋圃生物機電股份有限公司 | Industrialized supercritical composite extraction system |
| CN110467969A (en) * | 2019-07-23 | 2019-11-19 | 广西壮族自治区林业科学研究院 | A kind of process equipment and processing method of jasmine flower concrete production jasmine essential oil |
| CN110693063A (en) * | 2019-11-13 | 2020-01-17 | 湖北中烟工业有限责任公司 | Preparation method of blueberry extract for cigarettes |
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