CN108504456A - A kind of method of supercritical fluid extraction Peppermint essential oil - Google Patents
A kind of method of supercritical fluid extraction Peppermint essential oil Download PDFInfo
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- CN108504456A CN108504456A CN201810448043.4A CN201810448043A CN108504456A CN 108504456 A CN108504456 A CN 108504456A CN 201810448043 A CN201810448043 A CN 201810448043A CN 108504456 A CN108504456 A CN 108504456A
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- 235000016257 Mentha pulegium Nutrition 0.000 title claims abstract description 36
- 235000004357 Mentha x piperita Nutrition 0.000 title claims abstract description 36
- 235000001050 hortel pimenta Nutrition 0.000 title claims abstract description 36
- 241001479543 Mentha x piperita Species 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000000341 volatile oil Substances 0.000 title claims abstract description 27
- 238000000194 supercritical-fluid extraction Methods 0.000 title claims abstract description 25
- 239000012530 fluid Substances 0.000 claims abstract description 62
- 230000007246 mechanism Effects 0.000 claims abstract description 58
- 230000006835 compression Effects 0.000 claims abstract description 52
- 238000007906 compression Methods 0.000 claims abstract description 52
- 238000000605 extraction Methods 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 33
- 230000008520 organization Effects 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 4
- 244000246386 Mentha pulegium Species 0.000 claims description 3
- 241000486406 Trachea Species 0.000 claims description 3
- 239000000110 cooling liquid Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 210000003437 trachea Anatomy 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 15
- 239000007788 liquid Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 206010037660 Pyrexia Diseases 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray 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
- C11B9/025—Recovery by solvent extraction
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- 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)
Abstract
The present invention relates to extraction field, specifically a kind of method of supercritical fluid extraction Peppermint essential oil, this method uses extraction equipment, and extraction equipment includes fixed frame, stocking mechanism, cylinder, driving mechanism, mixed organization, filter mechanism and extraction mechanism；Feed inlet mixed organization is installed on the inside of cylinder, mixed organization includes nozzle, tracheae, rubber rods, funnel and compression plate, the internal side wall of cylinder is fixedly connected with funnel, and the top surface of funnel connects compression plate by the rubber rods of elasticity, and the top surface of compression plate contradicts driving mechanism；Tracheae is installed in the bottom end of funnel, and the side wall of tracheae is equipped with the nozzle being equally spaced；Filter mechanism is threadedly coupled the bottom end of cylinder.The gas provided by the invention for facing break bounds fluid extraction device compression cylinder, makes gas blow into the inside of material and supercritical fluid, accelerates substance solution rate inside supercritical fluid, and increase shooting flow temperature.
Description
Technical field
The present invention relates to extraction field, specifically a kind of methods of supercritical fluid extraction Peppermint essential oil.
Background technology
Supercritical fluid extraction is a kind of novel extraction isolation technics.It utilizes supercritical fluid, i.e., is higher than in temperature
Critical-temperature, pressure are higher than the fluid of the thermodynamic state of critical pressure as extractant.Spy is extracted from liquid or solid
Ingredient is determined, to reach separation purpose.
When being extracted using supercritical fluid, the temperature of supercritical fluid is too low, and substance is inside supercritical fluid
The speed of dissolving is slower, when supercritical fluid is mixed with substance, accelerates substance solution rate, but makes in mixed process
The temperature of supercritical fluid increases, and supercritical fluid becomes gaseous state from liquid, not only wastes supercritical fluid, but also be unfavorable for substance
Extraction.
Invention content
For the problems of the prior art, the present invention provides a kind of methods of supercritical fluid extraction Peppermint essential oil, should
Method uses extraction equipment, the inner barrel top of extraction equipment to install the compression plate, the institute that the compression plate passes through elasticity
It states rubber rods and is connected to the funnel, the bottom end of the funnel installs the tracheae, and the side wall of the tracheae, which is equipped with, to be equally spaced
The top surface of the nozzle, the compression plate contradicts the driving mechanism, and the driving mechanism drives the compression plate in the cylinder
It is moved up and down inside the top of body, the diameter of the compression plate is equal to the inside of the cylinder, under the compression plate described in general who has surrendered
The gas of inner barrel is pressed into the tracheae of the funnel bottom end, and gas is again from the nozzle of the bottom end side wall of the tracheae
Middle ejection, gas enter material and face the bottom inner portion of break bounds fluid, and gas is made to blow material in the inside for facing break bounds fluid
Quickly movement, while making to face break bounds fluid and be come into full contact with material；So that the substance in material is quickly dissolved into and faces break bounds fluid
Inside, and during gas blows material movement, on the one hand, accelerate the inner barrel gas velocity of liquid assets, while reducing institute
The internal temperature of cylinder is stated, will not make to face the raising of break bounds fluid temperature (F.T.) and evaporate, effectively be utilized and face break bounds fluid.
The technical solution adopted by the present invention to solve the technical problems is：A kind of side of supercritical fluid extraction Peppermint essential oil
Method, this approach includes the following steps：
Step 1：Peppermint is rejected into impurity and is dried；
Step 2：Peppermint in step 1 is crushed；
Step 3：The peppermint crushed in step 2 is put into extraction equipment, Peppermint essential oil is obtained；
Wherein, the extraction equipment include fixed frame, stocking mechanism, cylinder, driving mechanism, mixed organization, filter mechanism,
Extraction mechanism and feed inlet are fixed on the top surface of the fixed frame for the stocking mechanism of mixed material；Top is hollow
Cylinder and the cylinder connection stocking mechanism that lower part is hollow inverted cone body structure；The driving mechanism is fixed on
The top side wall of the cylinder；The inside of the cylinder is installed on for the mixed organization of compressed gas；Wherein, described mixed
It includes nozzle, tracheae, rubber rods, funnel and compression plate to close mechanism, and the internal side wall of the cylinder is fixedly connected with the funnel, institute
The top surface for stating funnel connects the compression plate by the rubber rods of elasticity, and the top surface of the compression plate contradicts the driving machine
Structure；Multiple tracheaes are installed in the bottom end of the funnel, and the side wall of the tracheae is equipped with the nozzle being equally spaced；Make to face super
The filter mechanism that boundary's fluid passes through is threadedly coupled the bottom end of the cylinder；Described in extraction mechanism connection for extraction
Cylinder；The feed inlet is installed on the top side wall of the cylinder.
Specifically, the stocking mechanism includes cooler bin, compressor and connecting tube, described in the top surface installation of the fixed frame
Cooler bin, the cooler bin are connected to the compressor, and the top of the connecting tube is connected to the compressor, the bottom of the connecting tube
End is connected to the side wall of the cylinder, and the inside of the cooler bin faces break bounds fluid and enters the cylinder through overcompression for convenience
It is internal.
Specifically, the bottom end of the feed inlet and the connecting tube and the funnel stagger setting, and the feed inlet position
In the bottom end of the funnel, the material entered inside the feed inlet is effectively prevent to enter the inside of the funnel.
Specifically, the driving mechanism includes motor, connecting plate and convex block, the top side wall of the cylinder is fixedly connected with institute
State motor, the cylindrical connecting plate of one end rotation connection of the motor, installation side at the sidewall edge of the connecting plate
Wall is the convex block of arc, facilitates the motor to drive the connecting plate and convex block rotation, the convex block is made to compress the pressure
Contracting plate, while the movement of the more convenient compression plate of the convex block of arc.
Specifically, the maximum normal distance between the connecting plate and the compression plate is equal to the height of the convex block, and
The diameter of the compression plate is equal to the internal diameter of the cylinder, facilitates the convex block rotation to compress the compression plate, makes the compression
Plate moves downward, and compresses the inner barrel gas.
Specifically, the filter mechanism includes strainer, supporting rod and supporting block, side wall is the " T " shaped supporting block spiral shell
Line connects the bottom end madial wall of the cylinder, and the top surface of the supporting block is symmetrically fixedly connected with the supporting rod, the supporting rod
Top the strainer is installed, the madial wall of the cylinder is contradicted at the sidewall edge of the strainer, facilitates the strainer by object
Material stays in the inside of the cylinder, makes to face break bounds fluid across strainer outflow, while strainer described in easy cleaning and described
The material of inner barrel.
Specifically, the extraction mechanism include discharge nozzle, face break bounds fluid volatilization heating coil, inner cylinder, shell and into
Expects pipe, the top of the feed pipe is connected to the side wall of the cylinder, and the feed pipe contradicts the supporting block；The feed pipe
Bottom end be connected to the inner cylinder, the side wall of the inner cylinder is fixedly connected with the shell, is installed between the shell and the inner cylinder
The discharge nozzle is installed in the bottom end of the spiral heating coil, the inner cylinder, conveniently faces break bounds fluid and passes through the charging
Pipe enters the inside of the inner cylinder, makes to face the volatilization of break bounds fluid by heating coil fever, makes to face break bounds fluid and substance
It separates.
Specifically, the top side wall of the inner cylinder installs exhaust pipe, the top of the exhaust pipe is connected to for facing break bounds stream
The cooler bin of the new cooling liquid of weight, for convenience it is gaseous face break bounds fluid by the cooler bin inside it is again cold
But it liquefies, again using facing break bounds fluid.
Beneficial effects of the present invention：
(1) method of a kind of supercritical fluid extraction Peppermint essential oil of the present invention, this method use extraction equipment, extraction
Take the inner barrel top of device that the compression plate is installed, the compression plate is connected to the leakage by the rubber rods of elasticity
The tracheae is installed in the bottom end of bucket, the funnel, and the side wall of the tracheae is equipped with the nozzle being equally spaced, the compression plate
Top surface contradict the driving mechanism, the driving mechanism drive the compression plate inside the top of the cylinder on move down
Dynamic, the diameter of the compression plate is equal to the inside of the cylinder, and the gas of inner barrel described in general who has surrendered is pressed under the compression plate
The tracheae of the funnel bottom end, gas are sprayed from the nozzle of the bottom end side wall of the tracheae again, and gas enters
Material and the bottom inner portion for facing break bounds fluid, make gas blow material and are quickly moved in the inside for facing break bounds fluid, while making to face
Break bounds fluid comes into full contact with material.
(2) method of a kind of supercritical fluid extraction Peppermint essential oil of the present invention, this method use extraction equipment, make
During substance in material is quickly dissolved into the inside for facing break bounds fluid, and gas blows material movement, on the one hand, accelerate institute
State inner barrel gas velocity of liquid assets, while reducing the internal temperature of the cylinder, will not make to face break bounds fluid temperature (F.T.) increase and
Evaporation, is effectively utilized and faces break bounds fluid.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is a kind of structural schematic diagram of preferred embodiment of extraction equipment provided by the invention；
Fig. 2 is inner barrel structural schematic diagram shown in FIG. 1；
Fig. 3 is filter mechanism structural schematic diagram shown in FIG. 1；
Fig. 4 is structure enlargement diagram at A shown in FIG. 1.
Figure label：1, filter mechanism, 11, strainer, 12, supporting rod, 13, supporting block, 2, fixed frame, 3, driving mechanism,
31, motor, 32, connecting plate, 33, convex block, 4, stocking mechanism, 41, cooler bin, 42, compressor, 43, connecting tube, 5, cylinder, 6,
Exhaust pipe, 7, mixed organization, 71, nozzle, 72, tracheae, 73, rubber rods, 74, funnel, 75, compression plate, 8, extraction mechanism, 81,
Discharge nozzle, 82, heating coil, 83, inner cylinder, 84, shell, 85, feed pipe, 9, feed inlet.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below
Specific implementation mode is closed, the present invention is further explained.
As shown in Figs 1-4, the method for a kind of supercritical fluid extraction Peppermint essential oil of the present invention, this method include with
Lower step：
Step 1：Peppermint is rejected into impurity and is dried；
Step 2：Peppermint in step 1 is crushed；
Step 3：The peppermint crushed in step 2 is put into extraction equipment, Peppermint essential oil is obtained；
Wherein, the extraction equipment includes fixed frame 2, stocking mechanism 4, cylinder 5, driving mechanism 3, mixed organization 7, filtering
Mechanism 1, extraction mechanism 8 and feed inlet 9, the top surface of the fixed frame 2 is fixed on for the stocking mechanism 4 of mixed material；
The cylinder 5 that top is hollow cylinder and lower part is hollow inverted cone body structure is connected to the stocking mechanism 4；The drive
Motivation structure 3 is fixed on the top side wall of the cylinder 5；The mixed organization 7 for compressed gas is installed on the cylinder 5
It is internal；Wherein, the mixed organization 7 includes nozzle 71, tracheae 72, rubber rods 73, funnel 74 and compression plate 75, the cylinder 5
Internal side wall be fixedly connected with the funnel 74, the top surface of the funnel 74 connects the pressure by the rubber rods 73 of elasticity
The top surface of contracting plate 75, the compression plate 75 contradicts the driving mechanism 3；The bottom end of the funnel 74 is installed by multiple tracheaes
72, the side wall of the tracheae 72 is equipped with the nozzle 71 being equally spaced；Make to face 1 spiral shell of the filter mechanism that break bounds fluid passes through
Line connects the bottom end of the cylinder 5；The extraction mechanism 8 for extraction is connected to the cylinder 5；The feed inlet 9 is installed on
The top side wall of the cylinder 5.
Specifically, as shown in Figure 1, a kind of method of supercritical fluid extraction Peppermint essential oil of the present invention, for side
The inside that break bounds fluid enters the cylinder 5 through overcompression is faced in the inside that toilet states cooler bin 41, and the stocking mechanism 4 includes cold
But the cooler bin 41 is installed in the top surface of case 41, compressor 42 and connecting tube 43, the fixed frame 2, and the cooler bin 41 is connected to
The top of the compressor 42, the connecting tube 43 is connected to the compressor 42, and the bottom end of the connecting tube 43 is connected to the cylinder
The side wall of body 5.
Specifically, as depicted in figs. 1 and 2, a kind of method of supercritical fluid extraction Peppermint essential oil of the present invention is
Prevent the material entered from 9 inside of the feed inlet from entering the inside of the funnel 74, the feed inlet 9 and the connecting tube
43 bottom end and 74 stagger setting of the funnel, and the feed inlet 9 is located at the bottom end of the funnel 74.
Specifically, as depicted in figs. 1 and 2, a kind of method of supercritical fluid extraction Peppermint essential oil of the present invention, institute
It includes motor 31, connecting plate 32 and convex block 33 to state driving mechanism 3, and the top side wall of the cylinder 5 is fixedly connected with the motor 31,
One end of the motor 31 is rotatablely connected the cylindrical connecting plate 32, and side wall is installed at the sidewall edge of the connecting plate 32
For the convex block 33 of arc.The motor 31 drives the connecting plate 32 and convex block 33 to rotate for convenience, makes the convex block
33 compress the compression plate 75.
Specifically, as depicted in figs. 1 and 2, a kind of method of supercritical fluid extraction Peppermint essential oil of the present invention is
The compression plate 75 is compressed in the rotation of convex block 33 described in convenience, so that the compression plate 75 is moved downward, is compressed inside the cylinder 5
Gas, the maximum normal distance between the connecting plate 32 and the compression plate 75 are equal to the height of the convex block 33, and described
The diameter of compression plate 75 is equal to the internal diameter of the cylinder 5.
Specifically, as shown in figures 1 and 3, a kind of method of supercritical fluid extraction Peppermint essential oil of the present invention is
Material is stayed in the inside of the cylinder 5 by strainer 11 described in convenience, is made to face break bounds fluid and be flowed out across the strainer 11, described
Filter mechanism 1 includes strainer 11, supporting rod 12 and supporting block 13, and side wall is described in the " T " shaped supporting block 13 is threadedly coupled
The top surface of the bottom end madial wall of cylinder 5, the supporting block 13 is symmetrically fixedly connected with the supporting rod 12, the top of the supporting rod 12
The strainer 11 is installed at end, and the madial wall of the cylinder 5 is contradicted at the sidewall edge of the strainer 11.
Specifically, as shown in Figure 1 and Figure 4, a kind of method of supercritical fluid extraction Peppermint essential oil of the present invention is
Convenience faces the inside that break bounds fluid enters the inner cylinder 83 by the feed pipe 85, and the fever of the heating coil 82 makes to face super
The volatilization of boundary fluid, makes to face break bounds fluid and substance and separates, and the extraction mechanism 8 includes discharge nozzle 81, heating coil 82, inner cylinder
83, shell 84 and feed pipe 85, the top of the feed pipe 85 is connected to the side wall of the cylinder 5, and the feed pipe 85 contradicts
The supporting block 13；The bottom end of the feed pipe 85 is connected to the inner cylinder 83, and the side wall of the inner cylinder 83 is fixedly connected outside described
Shell 84 installs the spiral heating coil 82, the bottom end peace of the inner cylinder 83 between the shell 84 and the inner cylinder 83
Fill the discharge nozzle 81.
Specifically, as shown in Figure 1, a kind of method of supercritical fluid extraction Peppermint essential oil of the present invention, for side
Just the gaseous inside cooling liquid again faced break bounds fluid and pass through the cooler bin 41, it is described again using facing break bounds fluid
The top side wall of inner cylinder 83 installs exhaust pipe 6, and the top of the exhaust pipe 6 is connected to the cooler bin 41.
The operation principle of extraction equipment provided by the invention is as follows：
(1) present apparatus is accessed into power supply, to the inside of the cooler bin 41 be added it is suitable face break bounds fluid, described in opening
Feed inlet 9 is added suitable material to the inside of the cylinder 5, closes the feed inlet 9；The compressor 42 is opened, it is described
Facing after break bounds fluid compression inside the cooler bin 41 is entered the cylinder 41 by compressor 42 by the connecting tube 43
Inside is faced break bounds fluid and is mixed with the material inside the cylinder 41, and the substance in material is dissolved in the inside for facing break bounds fluid；
(2) motor 31 is opened, the motor 31 drives the connecting plate 32 and the convex block 33 to rotate, described convex
In 33 rotation process of block, the convex block 33 of arc is contacted with the compression plate 75, and the compression plate 75 is pushed, the compression
The rubber rods 73 of 75 bottom end of plate installation elasticity, the pushing of the compression plate 75 make the rubber rods 73 be bent, the compression plate
75 move downward in the inside of the cylinder 5, and after the convex block 33 is separated with the compression plate 75, the rubber rods 73 extend
The compression plate 75 is set to reset, the convex block 33 rotates, to make the compression plate 75 be transported above and below the inside of the cylinder 5
It is dynamic；
(3) during the compression plate 75 moves downward, the gas inside the cylinder 5 is pressed into 74 bottom of the funnel
The tracheae 72 at end, gas sprays from the nozzle 71 of the bottom end side wall of the tracheae 72 again, gas blow into material and
The bottom inner portion for facing break bounds fluid makes gas blow material and is quickly moved in the inside for facing break bounds fluid, make to face break bounds fluid with
Material comes into full contact with, and so that the substance in material is quickly dissolved into the inside for facing break bounds fluid, and gas blows material movement process
In, accelerate 5 internal gas flow communication speed of the cylinder, reduce the internal temperature of the cylinder 5, will not make to face break bounds fluid temperature (F.T.)
It increases and evaporates, be effectively utilized and face break bounds fluid.
(4) after substance dissolves, the feed pipe 85 is opened, faces break bounds fluid and enters the inner cylinder across the strainer 11
Inside 83, the heating coil 82 is accessed into power supply, the heating coil 82 makes to face break bounds stream inside the inner cylinder 83
Evacuator body, the inside cooling for facing break bounds fluid by the exhaust pipe 6 into the cooler bin 41 of 83 side wall of the inner cylinder are solidifying
Knot, utilizes again, and the substance being extracted stays again the inside of the inner cylinder 83, opens the discharge nozzle 81, takes out substance.Make
After, the supporting block 13 is rotated, the supporting block 13 is taken out from the bottom end of the cylinder 5, clears up the strainer 11
With the material inside the cylinder 5, then the supporting block 13 is threadedly coupled with the cylinder 5.
5 inner tip of cylinder of extraction equipment installs the compression plate 75, the rubber that the compression plate 75 passes through elasticity
Glue bar 73 is connected to the funnel 74, and the tracheae 72 is installed in the bottom end of the funnel 74, and the side wall of the tracheae 72 is equipped with equidistantly
The top surface of the nozzle 71 of distribution, the compression plate 75 contradicts the driving mechanism 3, and the driving mechanism 3 drives the pressure
Contracting plate 75 moves up and down inside the top of the cylinder 5, and the diameter of the compression plate 75 is equal to the inside of the cylinder 5, institute
The tracheae 72 that the gas inside cylinder 5 described in 75 times generals who has surrendered of compression plate is pressed into 74 bottom end of the funnel is stated, gas is again from institute
It states and is sprayed in the nozzle 71 of the bottom end side wall of tracheae 72, gas enters material and faces the bottom inner portion of break bounds fluid, makes
Gas blows material and is quickly moved in the inside for facing break bounds fluid, makes to face break bounds fluid and is come into full contact with material, makes in material
During substance is quickly dissolved into the inside for facing break bounds fluid, and gas blows material movement, accelerate 5 internal gas of the cylinder
Velocity of liquid assets reduces the internal temperature of the cylinder 5, will not make to face the raising of break bounds fluid temperature (F.T.) and evaporate, effectively be utilized
Face break bounds fluid.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the description in the above embodiment and specification only illustrates the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement is both fallen in the scope of protection of present invention.The claimed scope of the invention is by appended claims and its equivalent
Object defines.
Claims (8)
1. a kind of method of supercritical fluid extraction Peppermint essential oil, which is characterized in that this approach includes the following steps：
Step 1：Peppermint is rejected into impurity and is dried；
Step 2：Peppermint in step 1 is crushed；
Step 3：The peppermint crushed in step 2 is put into extraction equipment, Peppermint essential oil is obtained；
Wherein, the extraction equipment includes fixed frame (2), stocking mechanism (4), cylinder (5), driving mechanism (3), mixed organization
(7), filter mechanism (1), extraction mechanism (8) and feed inlet (9), the stocking mechanism (4) for mixed material are fixed on institute
State the top surface of fixed frame (2)；The cylinder (5) connection that top is hollow cylinder and lower part is hollow inverted cone body structure
The stocking mechanism (4)；The driving mechanism (3) is fixed on the top side wall of the cylinder (5)；Described in compressed gas
Mixed organization (7) is installed on the inside of the cylinder (5)；
The mixed organization (7) includes nozzle (71), tracheae (72), rubber rods (73), funnel (74) and compression plate (75), described
The internal side wall of cylinder (5) is fixedly connected with the funnel (74), and the top surface of the funnel (74) passes through the elastic rubber rods
(73) compression plate (75) is connected, the top surface of the compression plate (75) contradicts the driving mechanism (3)；The funnel (74)
Multiple tracheaes (72) are installed in bottom end, and the side wall of the tracheae (72) is equipped with the nozzle (71) being equally spaced；Make to face super
The filter mechanism (1) that boundary's fluid passes through is threadedly coupled the bottom end of the cylinder (5)；The extraction mechanism for extraction
(8) it is connected to the cylinder (5)；The feed inlet (9) is installed on the top side wall of the cylinder (5).
2. a kind of method of supercritical fluid extraction Peppermint essential oil according to claim 1, which is characterized in that the storage
Mechanism (4) includes cooler bin (41), compressor (42) and connecting tube (43), and the cooling is installed in the top surface of the fixed frame (2)
Case (41), the cooler bin (41) are connected to the compressor (42), and the top of the connecting tube (43) is connected to the compressor
(42), the bottom end of the connecting tube (43) is connected to the side wall of the cylinder (5).
3. a kind of method of supercritical fluid extraction Peppermint essential oil according to claim 2, which is characterized in that the charging
The bottom end of mouth (9) and the connecting tube (43) and the funnel (74) stagger setting, and the feed inlet (9) is located at the funnel
(74) bottom end.
4. a kind of method of supercritical fluid extraction Peppermint essential oil according to claim 1, which is characterized in that the driving
Mechanism (3) includes motor (31), connecting plate (32) and convex block (33), and the top side wall of the cylinder (5) is fixedly connected with the electricity
Machine (31), the connecting plate (32) of one end rotation connection cylinder of the motor (31), the side wall of the connecting plate (32)
Edge is installed by the convex block (33) that side wall is arc.
5. a kind of method of supercritical fluid extraction Peppermint essential oil according to claim 4, which is characterized in that the connection
Maximum normal distance between plate (32) and the compression plate (75) is equal to the height of the convex block (33), and the compression plate
(75) diameter is equal to the internal diameter of the cylinder (5).
6. a kind of method of supercritical fluid extraction Peppermint essential oil according to claim 1, which is characterized in that the filtering
Mechanism (1) includes strainer (11), supporting rod (12) and supporting block (13), and side wall is that " T " shaped supporting block (13) screw thread connects
The bottom end madial wall of the cylinder (5) is connect, the top surface of the supporting block (13) is symmetrically fixedly connected with the supporting rod (12), described
The strainer (11) is installed on the top of supporting rod (12), and the interior of the cylinder (5) is contradicted at the sidewall edge of the strainer (11)
Side wall.
7. a kind of method of supercritical fluid extraction Peppermint essential oil according to claim 6, which is characterized in that the extraction
Mechanism (8) includes discharge nozzle (81), faces heating coil (82), inner cylinder (83), shell (84) and the feed pipe of the volatilization of break bounds fluid
(85), the top of the feed pipe (85) is connected to the side wall of the cylinder (5), and the feed pipe (85) contradicts the supporting block
(13)；The bottom end of the feed pipe (85) is connected to the inner cylinder (83), and the side wall of the inner cylinder (83) is fixedly connected with the shell
(84), the spiral heating coil (82), the inner cylinder (83) are installed between the shell (84) and the inner cylinder (83)
Bottom end the discharge nozzle (81) is installed.
8. a kind of method of supercritical fluid extraction Peppermint essential oil according to claim 7, which is characterized in that the inner cylinder
(83) top of top side wall installation exhaust pipe (6), the exhaust pipe (6) is connected to for facing the cooling liquid again of break bounds fluid
The cooler bin (41).
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| CN201810448043.4A CN108504456B (en) | 2018-05-11 | 2018-05-11 | Method for extracting peppermint essential oil by supercritical fluid |
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| CN201810448043.4A CN108504456B (en) | 2018-05-11 | 2018-05-11 | Method for extracting peppermint essential oil by supercritical fluid |
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| CN108504456B CN108504456B (en) | 2021-06-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109261270A (en) * | 2018-09-20 | 2019-01-25 | 孙勇 | A kind of organic solid castoff processing method |
| CN109261695A (en) * | 2018-09-20 | 2019-01-25 | 孙勇 | A kind of organic solid castoff processing unit based on subcritical hydrolysis |
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