CN111849641A - Preparation process of plant essential oil - Google Patents
Preparation process of plant essential oil Download PDFInfo
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- CN111849641A CN111849641A CN202010708134.4A CN202010708134A CN111849641A CN 111849641 A CN111849641 A CN 111849641A CN 202010708134 A CN202010708134 A CN 202010708134A CN 111849641 A CN111849641 A CN 111849641A
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- 239000000341 volatile oil Substances 0.000 title claims abstract description 85
- 238000002360 preparation method Methods 0.000 title claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 91
- 238000009833 condensation Methods 0.000 claims abstract description 34
- 230000005494 condensation Effects 0.000 claims abstract description 34
- 238000004821 distillation Methods 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 27
- 238000003860 storage Methods 0.000 claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 230000000630 rising effect Effects 0.000 claims abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 65
- 238000003756 stirring Methods 0.000 claims description 25
- 239000002994 raw material Substances 0.000 claims description 18
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000000605 extraction Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000012454 non-polar solvent Substances 0.000 claims description 4
- 102000004190 Enzymes Human genes 0.000 claims description 3
- 108090000790 Enzymes Proteins 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000004537 pulping Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000000243 solution Substances 0.000 claims description 3
- 238000009210 therapy by ultrasound Methods 0.000 claims description 3
- 235000015112 vegetable and seed oil Nutrition 0.000 claims description 3
- 239000008158 vegetable oil Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 2
- 125000003118 aryl group Chemical group 0.000 abstract description 6
- 238000009792 diffusion process Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 24
- 238000010586 diagram Methods 0.000 description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 235000019198 oils Nutrition 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000001256 steam distillation Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Images
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
- C11B9/022—Refining
-
- 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
-
- 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
- C11B9/027—Recovery of volatiles by distillation or stripping
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)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention relates to the technical field of plant essential oil preparation, in particular to a plant essential oil preparation process. Can drive the material of puddler in the internal jar body with material rising pole through the servo motor in the distillation mechanism and overturn, the material can not pile up, make diffusion to vapor that contains aromatic component's essential oil can be abundant in the material, the material is heated evenly, make production efficiency improve, can effectually collect essential oil calandria exhaust essential oil liquid through the essential oil temporary storage tank in the temporary storage mechanism, the mixed liquid gas jar of setting can be to not collecting the essential oil in the complete condensation gas, make the output of essential oil preparation improve.
Description
Technical Field
The invention relates to the technical field of plant essential oil preparation, in particular to a preparation process of plant essential oil.
Background
The plant essential oil is extracted from flower, leaf, root, bark, fruit, seed, resin, etc. of herbaceous plant by distillation and squeezing. The steam distillation method is a common method for extracting plant essential oil, and the principle of the steam distillation method is that an aromatic plant is placed in a distillation container, high-temperature steam is introduced into the distillation container, essential oil containing aromatic components in the plant body diffuses into the steam at the moment to form an azeotrope of oil and water, and then the azeotrope is cooled, and the essential oil required by people is formed by separating the oil from the water because the oil is insoluble in water. When using, current preparation facilities piles up in the inside of retort, produces and piles up for contain the essential oil of aromatic composition in the material just can not diffuse in the vapor, makes production efficiency and production effect relatively poor, and because the incomplete condensation of condensation mechanism, can lead to containing essential oil gas in eduction gear's the gas, makes the output reduction of essential oil preparation.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a preparation process of plant essential oil.
The technical scheme adopted by the invention for solving the technical problems is as follows: a preparation process of plant essential oil comprises the following steps:
s1: selecting fresh plant raw materials, cleaning and drying the fresh plant raw materials, crushing the plant raw materials, and pulping the plant raw materials again to dry the pulped plant raw materials into powder;
s2: putting the powdery plant raw material in the S1 into preparation equipment, adding a proper amount of aqueous solution into the preparation equipment, heating the preparation equipment by adopting a hot water bath, adding a proper amount of mixed enzyme into the preparation equipment, and heating the mixture while stirring to separate solid from liquid to obtain a mixed solution, thereby obtaining a crude extraction solution;
s3: putting the crude extraction liquid obtained in the step S2 into ultrasonic equipment, performing ultrasonic treatment for a period of time, adding a proper amount of organic extractant, uniformly mixing by adopting a separating funnel extractor, standing for a period of time, separating out vegetable oil, and recovering the organic extractant;
the preparation equipment in the S2 comprises a steam mechanism, a distillation mechanism, a condensation mechanism and a temporary storage mechanism, wherein the steam mechanism is arranged on one side of the distillation mechanism, the condensation mechanism is arranged on one side of the distillation mechanism, which is far away from the steam mechanism, and the temporary storage mechanism is arranged on one side of the condensation mechanism, which is far away from the distillation mechanism; the distillation mechanism with install drive mechanism between the condensation mechanism, wherein, drive mechanism includes eccentric wheel, connecting rod and piston, the eccentric wheel is installed on the output shaft of distillation mechanism, just the eccentric wheel connects the connecting rod, just the piston is connected to the one end of connecting rod.
Specifically, steam mechanism comprises steam drum, fixed frame, first servo motor, first shaft coupling, first axis of rotation, steam row leaf, clear water stirring leaf, inlet tube and steam comb pipe, the first servo motor of fixed frame fixedly connected with is passed through at the top of steam drum, through the first axis of rotation of first shaft coupling fixedly connected with on the axle wall of first servo motor output shaft, the steam drum is passed to the one end that first servo motor was kept away from to first axis of rotation, first axis of rotation is connected with the steam drum rotation, leaf and clear water stirring leaf are arranged to fixedly connected with steam on the axle wall that first axis of rotation extends to the inside one end of steam drum, the leaf setting is arranged in the top of clear water stirring leaf to steam comb, the fixed intercommunication in top of steam drum has inlet tube and steam comb pipe, the inlet tube sets up the one side of keeping away from distillation mechanism at steam comb pipe, and a gate valve is arranged on the pipe wall of the water inlet pipe.
Specifically, the distillation mechanism comprises an outer tank body, a tank cover, an exhaust pipe, a steam inlet pipe, an inner tank body, a second servo motor, an output shaft, a second rotating shaft, a stirring rod, a material lifting rod and air guide through holes, wherein the tank cover is arranged above the outer tank body, the tank cover is in threaded sleeve connection with the outer tank wall at the top of the outer tank body, the exhaust pipe is fixedly communicated with the top of the tank cover, the steam inlet pipe is fixedly communicated with the bottom of the outer tank body, the other end of the steam inlet pipe is communicated with a steam exhaust pipe, the inner tank body is arranged inside the outer tank body, a plurality of air guide through holes are formed in the outer wall of the inner tank body, the second servo motor is fixedly connected with the outer wall of one side, away from the steam mechanism, of the outer tank body, the second rotating shaft is fixedly connected with the shaft wall of the output shaft of the second servo motor through the output shaft, and one end, away from the second servo, the second rotating shaft is rotatably connected with the outer tank body and the inner tank body, the second rotating shaft extends to the shaft wall at one end inside the inner tank body, the stirring rod is fixedly connected to the shaft wall, and the other end of the stirring rod is fixedly connected with the material lifting rod.
It is specific, condensation mechanism comprises condensing tank, the spherical condenser pipe of nodal pattern, cold water pipe, water pump, back flow, hot-water line and essential oil calandria, the spherical condenser pipe of nodal pattern sets up the inside at the condensing tank, the fixed intercommunication in bottom of condensing tank has the cold water pipe, the other end of cold water pipe is connected with the output of water pump, the fixed intercommunication in top of condensing tank has back flow and hot-water line, the back flow sets up the one side that is close to distillation mechanism at the hot-water line, just the one end and the water piping connection of condensing tank are kept away from to the back flow, be provided with the gate valve on the pipe wall of hot-water line, the one end and the blast pipe of the spherical condenser pipe of nodal pattern are connected, the other end of the spherical condenser pipe of nodal pattern is connected with the essential oil calandria.
Specifically, the temporary storage mechanism is kept in jar and is mixed liquid gas jar by essential oil and constitute, essential oil keeps in the fixed intercommunication of jar on the pipe wall of essential oil calandria bottom, just essential oil keeps in the jar setting and is close to one side of condensation mechanism at the mixed liquid gas jar, the essential oil calandria one end of keeping away from the condensing tank extends to the interior bottom of mixed liquid gas jar.
Specifically, the fixed frame comprises fixed hoop, dead lever, fixed plate and countersunk head bolt, fixed hoop is fixed to be cup jointed on servo motor, two dead levers of fixedly connected with on the lateral wall of fixed hoop one side, two the dead lever is fixed connection respectively at the both ends of fixed hoop, the one end fixedly connected with fixed plate of fixed hoop is kept away from to the dead lever, be provided with the countersunk head bolt on the fixed plate.
Specifically, the pipe body that the essential oil calandria is located essential oil and keeps in jar and mixed liquid gas tank between is the convex structure, just mixed liquid gas tank inside is provided with the nonpolar solvent.
The invention has the beneficial effects that:
(1) according to the preparation process of the plant essential oil, the servo motor in the distillation mechanism can drive the stirring rod and the material boiling rod to turn over the materials in the inner tank body, the materials cannot be accumulated, so that the essential oil containing aromatic components in the materials can be fully diffused into water vapor, the materials are uniformly heated, and the production efficiency is improved.
(2) According to the plant essential oil preparation process, the essential oil liquid discharged from the essential oil discharge pipe can be effectively collected through the essential oil temporary storage tank in the temporary storage mechanism, and the set mixed liquid gas tank can collect the essential oil in the incompletely condensed gas, so that the yield of essential oil preparation is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic structural diagram of a plant essential oil preparation device provided by the invention;
FIG. 3 is a schematic structural diagram of a steam mechanism in a plant essential oil preparation apparatus provided by the present invention;
FIG. 4 is a schematic structural diagram of a distillation mechanism in plant essential oil preparation equipment provided by the invention;
FIG. 5 is a schematic structural diagram of a condensing mechanism in the plant essential oil preparation device provided by the invention;
FIG. 6 is a schematic structural diagram of a temporary storage mechanism in plant essential oil preparation equipment provided by the invention;
fig. 7 is a schematic structural diagram of a fixed rack in the plant essential oil preparation equipment provided by the invention.
In the figure: 1. a steam mechanism; 11. a steam tank; 12. fixing the frame; 13. a first servo motor; 14. a first coupling; 15. a first rotating shaft; 16. discharging the steam; 17. stirring leaves with clear water; 18. a water inlet pipe; 19. a steam pipe bank; 2. a distillation mechanism; 21. an outer tank body; 22. a can lid; 23. an exhaust pipe; 24. a steam inlet pipe; 25. an inner tank body; 26. a second servo motor; 27. an output shaft; 28. a second rotating shaft; 29. a stirring rod; 210. a material lifting rod; 211. an air guide through hole; 3. a condensing mechanism; 31. a condensing tank; 32. a nodal spherical condenser tube; 33. a cold water pipe; 34. a water pump; 35. a return pipe; 36. a hot water pipe; 37. an essential oil calandria; 4. a temporary storage mechanism; 41. an essential oil temporary storage tank; 42. a mixed liquid gas tank; 121. a fixing hoop; 122. fixing the rod; 123. a fixing plate; 124. countersunk bolt, 5, transmission mechanism, 51, eccentric wheel, 52, connecting rod, 53 and piston.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 7, the process for preparing plant essential oil of the present invention comprises the following steps:
s1: selecting fresh plant raw materials, cleaning and drying the fresh plant raw materials, crushing the plant raw materials, and pulping the plant raw materials again to dry the pulped plant raw materials into powder;
s2: putting the powdery plant raw material in the S1 into preparation equipment, adding a proper amount of aqueous solution into the preparation equipment, heating the preparation equipment by adopting a hot water bath, adding a proper amount of mixed enzyme into the preparation equipment, and heating the mixture while stirring to separate solid from liquid to obtain a mixed solution, thereby obtaining a crude extraction solution;
s3: putting the crude extraction liquid obtained in the step S2 into ultrasonic equipment, performing ultrasonic treatment for a period of time, adding a proper amount of organic extractant, uniformly mixing by adopting a separating funnel extractor, standing for a period of time, separating out vegetable oil, and recovering the organic extractant;
the preparation equipment in the S2 comprises a steam mechanism 1, a distillation mechanism 2, a condensation mechanism 3 and a temporary storage mechanism 4, wherein the steam mechanism 1 is arranged on one side of the distillation mechanism 2, the condensation mechanism 3 is arranged on one side, away from the steam mechanism 1, of the distillation mechanism 2, and the temporary storage mechanism 4 is arranged on one side, away from the distillation mechanism 2, of the condensation mechanism 3; the distillation mechanism 2 with install drive mechanism 5 between the condensation mechanism 3, wherein, drive mechanism 5 includes eccentric wheel 51, connecting rod 52 and piston 53, eccentric wheel 51 is installed on the output shaft 27 of distillation mechanism 2, just eccentric wheel 51 connects connecting rod 52, just piston 53 is connected to the one end of connecting rod 52, and the rotation through output shaft 27 drives eccentric wheel 51's rotation, realizes connecting rod 52 intermittent type nature up-and-down motion through eccentric wheel 51's rotation, drives piston 53 up-and-down motion, promotes the flow of the inside liquid of condensation mechanism 3.
Specifically, steam mechanism 1 comprises steam drum 11, fixed frame 12, first servo motor 13, first shaft coupling 14, first axis of rotation 15, steam row leaf 16, clear water stirring leaf 17, inlet tube 18 and steam calandria 19, the first servo motor 13 of fixed frame 12 fixedly connected with is passed through at the top of steam drum 11, through first shaft coupling 14 fixedly connected with first axis of rotation 15 on the axle wall of first servo motor 13 output shaft, steam drum 11 is passed to the one end that first servo motor 13 was kept away from to first axis of rotation 15, first axis of rotation 15 rotates with steam drum 11 to be connected, first axis of rotation 15 extends to fixedly connected with steam row leaf 16 and clear water stirring leaf 17 on the axle wall of the inside one end of steam drum 11, steam row leaf 16 sets up the top at clear water stirring leaf 17, steam drum 11's top is fixed to be communicated with inlet tube 18 and steam calandria 19, the inlet tube 18 sets up the one side of keeping away from distillation mechanism 2 at steam calandria 19, just be provided with the gate valve on the pipe wall of inlet tube 18, high-temperature steam can high efficiency's production.
Specifically, the distillation mechanism 2 comprises an outer tank body 21, a tank cover 22, an exhaust pipe 23, a steam inlet pipe 24, an inner tank body 25, a second servo motor 26, an output shaft 27, a second rotating shaft 28, a stirring rod 29, a material lifting rod 210 and an air guide through hole 211, wherein the tank cover 22 is arranged above the outer tank body 21, the tank cover 22 is in threaded sleeve connection with the outer tank wall at the top of the outer tank body 21, the exhaust pipe 23 is fixedly communicated with the top of the tank cover 22, the steam inlet pipe 24 is fixedly communicated with the bottom of the outer tank body 21, the other end of the steam inlet pipe 24 is communicated with a steam discharge pipe 19, the inner tank body 25 is arranged inside the outer tank body 21, the outer wall of the inner tank body 25 is provided with a plurality of air guide through holes 211, the outer wall of the outer tank body 21 at the side far away from the steam mechanism 1 is fixedly connected with the second servo motor 26 through a fixed frame 12, the second rotating shaft 28 is fixedly connected with the shaft wall of, the lateral wall of outer jar of body 21 and inner tank body 25 is passed to the one end that second axis of rotation 28 kept away from second servo motor 26, second axis of rotation 28 rotates with outer jar of body 21 and inner tank body 25 and is connected, fixedly connected with puddler 29 on the axle wall of second axis of rotation 28 extension to the inside one end of inner tank body 25, the other end fixed connection of puddler 29 soaks the material pole 210, can stir the material for the material is heated all with, can not produce and pile up.
Specifically, the condensing mechanism 3 is composed of a condensing tank 31, a nodal spherical condensing pipe 32, a cold water pipe 33, a water pump 34, a return pipe 35, a hot water pipe 36 and an essential oil discharging pipe 37, the nodal spherical condensing pipe 32 is arranged inside the condensing tank 31, the bottom of the condensing tank 31 is fixedly communicated with the cold water pipe 33, the other end of the cold water pipe 33 is connected with the output end of the water pump 34, the top of the condensing tank 31 is fixedly communicated with the return pipe 35 and the hot water pipe 36, the return pipe 35 is arranged on one side of the hot water pipe 36 close to the distilling mechanism 2, one end of the return pipe 35 far away from the condensing tank 31 is connected with the water inlet pipe 18, a gate valve is arranged on the pipe wall of the hot water pipe 36, one end of the nodal spherical condensing pipe 32 is connected with the exhaust pipe 23, the other end of the nodal spherical condensing pipe 32 is connected with the essential oil discharging pipe 37, and the other end of the essential oil, can be quick carry out the condensation to the mist to can flow back hot water to steam drum 11's inside through the back flow 35 that sets up, resources are saved.
Specifically, temporary storage mechanism 4 comprises essential oil temporary storage tank 41 and mixed liquid gas tank 42, essential oil temporary storage tank 41 is fixed to be communicated on the pipe wall of essential oil calandria 37 bottom, just essential oil temporary storage tank 41 sets up the one side that is close to condensing mechanism 3 at mixed liquid gas tank 42, essential oil calandria 37 keeps away from the one end of condensing tank 31 and extends to mixed liquid gas tank 42's interior bottom, can effectual preventing device not be with the gas mixture condensation completely to contain the essential oil in can the effectual preventing device combustion gas.
Specifically, fixed frame 12 comprises fixed hoop 121, dead lever 122, fixed plate 123 and countersunk head bolt 124, fixed hoop 121 fixes the cover and connects on servo motor, two dead levers 122 of fixedly connected with on the lateral wall of fixed hoop 121 one side, two dead lever 122 fixed connection is at the both ends of fixed hoop 121 respectively, the one end fixedly connected with fixed plate 123 of fixed hoop 121 is kept away from to dead lever 122, be provided with countersunk head bolt 124 on the fixed plate 123, dismantle countersunk head bolt 124 and can accomplish the dismantlement of fixed frame 12, the dismouting of servo motor of being convenient for, labour saving and time saving.
Specifically, the body that essential oil calandria 37 is located between essential oil temporary storage tank 41 and the mixed liquid gas jar 42 is the convex structure, can effectually prevent that the essential oil after the condensation from arranging to essential oil temporary storage tank 41's inside, just the inside nonpolar solvent that sets up of mixed liquid gas jar 42 can adsorb the essential oil in the mist.
When the steam boiler is used, the gate valve on the water inlet pipe 18 is opened, the gate valve on the hot water pipe 36 is closed, clean water is conveyed to the inside of the condensation tank 31 through the water pump 34, the clean water in the condensation tank 31 is conveyed to the inside of the steam tank 11 through the water inlet pipe 18, materials are placed in the inner tank 25, the tank cover 22 is screwed in a rotating mode, the steam tank 11 is heated through the heater, the first servo motor 13 is started through an external power supply to drive, the first servo motor 13 drives the clean water stirring blade 17 and the steam exhaust blade 16 to rotate, the clean water stirring blade 17 can drive clean water in the steam tank 11 to stir when rotating, so that the clean water is heated uniformly, the steam exhaust blade 16 can accelerate the speed of conveying the steam to the steam exhaust pipe 19 when rotating, the clean water generates steam containing a large amount of heat after being heated, the steam is conveyed to the inside the outer tank 21 through the steam exhaust pipe 19, the steam in the steam exhaust pipe 19 is conveyed to a cavity between the outer tank 21 and the inner, the vapor in the cavity is diffused into the inner tank 25 by the air guide through holes 211, the material is distilled, the second servo motor 26 is started through an external power supply to drive, the second servo motor 26 drives the second rotating shaft 28 to rotate, the second rotating shaft 28 can drive the stirring rod 29 and the material boiling rod 210 to turn over the material in the inner tank 25 when rotating, the material cannot be stacked, so that the essential oil containing aromatic components in the material can be fully diffused into the vapor, the material is uniformly heated, the production efficiency is improved, the mixed gas with the essential oil and the vapor are discharged into the nodal spherical condenser tube 32 through the exhaust pipe 23, the cold water in the condensing tank 31 condenses the mixed gas in the nodal spherical condenser tube 32, the mixed gas becomes liquid, the liquid essential oil drops into the essential oil temporary storage tank 41, when the condensing mechanism 3 does not completely condense the gas, the essential oil discharge pipe 37 conveys uncondensed gas to the inside of the mixed liquid gas tank 42, and the nonpolar solvent (petroleum ether and toluene) in the mixed liquid gas tank 42 can adsorb and collect the essential oil in the gas, so that the yield of essential oil preparation is improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A preparation process of plant essential oil is characterized by comprising the following steps:
s1: selecting fresh plant raw materials, cleaning and drying the fresh plant raw materials, crushing the plant raw materials, and pulping the plant raw materials again to dry the pulped plant raw materials into powder;
s2: putting the powdery plant raw material in the S1 into preparation equipment, adding a proper amount of aqueous solution into the preparation equipment, heating the preparation equipment by adopting a hot water bath, adding a proper amount of mixed enzyme into the preparation equipment, and heating the mixture while stirring to separate solid from liquid to obtain a mixed solution, thereby obtaining a crude extraction solution;
s3: putting the crude extraction liquid obtained in the step S2 into ultrasonic equipment, performing ultrasonic treatment for a period of time, adding a proper amount of organic extractant, uniformly mixing by adopting a separating funnel extractor, standing for a period of time, separating out vegetable oil, and recovering the organic extractant;
The preparation equipment in the S2 comprises a steam mechanism (1), a distillation mechanism (2), a condensation mechanism (3) and a temporary storage mechanism (4), wherein the steam mechanism (1) is arranged on one side of the distillation mechanism (2), the condensation mechanism (3) is arranged on one side, away from the steam mechanism (1), of the distillation mechanism (2), and the temporary storage mechanism (4) is arranged on one side, away from the distillation mechanism (2), of the condensation mechanism (3); a transmission mechanism (5) is installed between the distillation mechanism (2) and the condensation mechanism (3), wherein the transmission mechanism (5) comprises an eccentric wheel (51), a connecting rod (52) and a piston (53), the eccentric wheel (51) is installed on an output shaft (27) of the distillation mechanism (2), the eccentric wheel (51) is connected with the connecting rod (52), and one end of the connecting rod (52) is connected with the piston (53).
2. A process for preparing a plant essential oil according to claim 1, wherein: steam mechanism (1) comprises steam drum (11), fixed frame (12), first servo motor (13), first shaft coupling (14), first axis of rotation (15), steam row leaf (16), clear water stirring leaf (17), inlet tube (18) and steam comb (19), the top of steam drum (11) is through fixed frame (12) fixedly connected with first servo motor (13), through first shaft coupling (14) fixedly connected with first axis of rotation (15) on the shaft wall of first servo motor (13) output shaft, the one end that first servo motor (13) was kept away from in first axis of rotation (15) passes steam drum (11), first axis of rotation (15) is connected with steam drum (11) rotation, fixedly connected with steam row leaf (16) and clear water stirring leaf (17) on the shaft wall that first axis of rotation (15) extended to steam drum (11) inside one end, steam row leaf (16) set up in the top of clear water stirring leaf (17), the fixed intercommunication in top of steam drum (11) has inlet tube (18) and steam calandria (19), inlet tube (18) set up the one side of keeping away from distillation mechanism (2) in steam calandria (19), just be provided with the gate valve on the pipe wall of inlet tube (18).
3. A process for preparing a plant essential oil according to claim 1, wherein: the distillation mechanism (2) comprises an outer tank body (21), a tank cover (22), an exhaust pipe (23), a steam inlet pipe (24), an inner tank body (25), a second servo motor (26), an output shaft (27), a second rotating shaft (28), a stirring rod (29), a material rising rod (210) and an air guide through hole (211), wherein the tank cover (22) is arranged above the outer tank body (21), the tank cover (22) is sleeved on the outer tank wall at the top of the outer tank body (21) in a threaded manner, the exhaust pipe (23) is fixedly communicated with the top of the tank cover (22), the steam inlet pipe (24) is fixedly communicated with the bottom of the outer tank body (21), the other end of the steam inlet pipe (24) is communicated with a steam exhaust pipe (19), the inner tank body (25) is arranged in the outer tank body (21), and a plurality of air guide through holes (211) are formed in the outer wall of the inner tank body (25), the outer tank body (21) is far away from on the outer wall of steam mechanism (1) one side through fixed frame (12) fixedly connected with second servo motor (26), through output shaft (27) fixedly connected with second axis of rotation (28) on the axle wall of second servo motor (26) output shaft, the lateral wall of outer tank body (21) and interior tank body (25) is passed to the one end that second servo motor (26) were kept away from in second axis of rotation (28), second axis of rotation (28) rotate with outer tank body (21) and interior tank body (25) and are connected, fixedly connected with puddler (29) on the axle wall of second axis of rotation (28) extension to the inside one end of interior tank body (25), the other end fixed connection of puddler (29) soaks material pole (210).
4. A process for preparing a plant essential oil according to claim 1, wherein: the condensation mechanism (3) comprises a condensation tank (31), a joint-shaped spherical condensation pipe (32), a cold water pipe (33), a water pump (34), a return pipe (35), a hot water pipe (36) and an essential oil exhaust pipe (37), the joint-shaped spherical condensation pipe (32) is arranged inside the condensation tank (31), the cold water pipe (33) is fixedly communicated with the bottom of the condensation tank (31), the other end of the cold water pipe (33) is connected with the output end of the water pump (34), the return pipe (35) and the hot water pipe (36) are fixedly communicated with the top of the condensation tank (31), the return pipe (35) is arranged on one side, close to the distillation mechanism (2), of the hot water pipe (36), one end, far away from the condensation tank (31), of the return pipe (35) is connected with the water inlet pipe (18), a gate valve is arranged on the pipe wall of the hot water pipe (36), one end of the joint-shaped spherical condensation pipe (32) is connected with the exhaust pipe (23), the other end of the nodal spherical condenser pipe (32) is connected with an essential oil discharge pipe (37), and the other end of the essential oil discharge pipe (37) penetrates through the condensing tank (31).
5. A process for preparing a plant essential oil according to claim 1, wherein: temporary storage mechanism (4) are kept in jar (41) and are mixed liquid gas jar (42) by essential oil and constitute, essential oil is kept in jar (41) fixed intercommunication on the pipe wall of essential oil calandria (37) bottom, just essential oil is kept in jar (41) and is set up the one side that is close to condensation mechanism (3) in mixed liquid gas jar (42), the interior bottom that condensation jar (31) were kept away from in essential oil calandria (37) extends to mixed liquid gas jar (42).
6. A process for preparing a plant essential oil according to claim 2, wherein: fixed frame (12) comprises fixed hoop (121), dead lever (122), fixed plate (123) and countersunk head bolt (124), fixed hoop (121) is fixed to be cup jointed on servo motor, two dead lever (122) of fixedly connected with on the lateral wall of fixed hoop (121) one side, two dead lever (122) fixed connection is at the both ends of fixed hoop (121) respectively, one end fixedly connected with fixed plate (123) of fixed hoop (121) are kept away from in dead lever (122), be provided with countersunk head bolt (124) on fixed plate (123).
7. A process according to claim 5, wherein the plant essential oil is prepared by: the pipe body that essential oil calandria (37) are located between essential oil temporary storage tank (41) and mixed liquid gas tank (42) is convex structure, just mixed liquid gas tank (42) inside is provided with the nonpolar solvent.
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