阅读说明：本技术 一种化妆品生产用植物精油的萃取装置及萃取方法 (Extraction device and extraction method of plant essential oil for cosmetic production ) 是由 渠志灿 李晓君 姚丽平 崔丽涛 于 2021-09-03 设计创作，主要内容包括：本发明涉及化妆品加工设备技术领域,且公开了一种化妆品生产用植物精油的萃取装置及萃取方法,包括第一箱体,所述第一箱体的顶部安装连通有第二箱体；本发明通过电机带动第一转动轮进行转动,第一转动轮带动第二转动轮进行转动,在齿轮的作用下两个破碎轮转动,对芳香植物原料进行破碎,使芳香植物原料细胞壁破碎开来,蒸汽可以将芳香植物原料内部的精油提炼的更加彻底和速度更快,通过油水分离器内部的纯水量达到一定的量时,只需打开第一管道上面的电磁阀门,将纯水输送到储水箱中,当储水箱中的液量达到预定值时,启动抽液泵,将储水箱中的纯水输送到第一箱体中,继续使用和提纯,降低了水源的消耗。(The invention relates to the technical field of cosmetic processing equipment and discloses an extraction device and an extraction method of plant essential oil for cosmetic production, wherein the extraction device comprises a first box body, and a second box body is installed and communicated with the top of the first box body; according to the invention, the first rotating wheel is driven to rotate by the motor, the second rotating wheel is driven to rotate by the first rotating wheel, the two crushing wheels rotate under the action of the gear to crush the aromatic plant raw materials, so that cell walls of the aromatic plant raw materials are crushed, essential oil in the aromatic plant raw materials can be refined more thoroughly and faster by steam, when the amount of pure water in the oil-water separator reaches a certain amount, only the electromagnetic valve on the first pipeline is needed to be opened to convey the pure water into the water storage tank, when the liquid amount in the water storage tank reaches a preset value, the liquid pump is started to convey the pure water in the water storage tank into the first tank body, so that the pure water can be continuously used and purified, and the consumption of a water source is reduced.)

1. The utility model provides an extraction element of cosmetic plant essential oil, includes first box (1), its characterized in that: the top of the first box body (1) is provided with a second box body (2) in a communicated manner, the inside of the second box body (2) is rotatably connected with a rotating rod (3) through a bearing, two crushing wheels (4) are fixedly sleeved on the surface of the rotating rod (3) and are meshed with each other between the two crushing wheels (4), one side of the second box body (2) is provided with a power mechanism (5), the top of the second box body (2) is provided with a blanking groove (6), the inside of the first box body (1) is provided with a heating pipe (7), the inside of the first box body (1) is provided with a mounting groove (8), the inside of the mounting groove (8) is slidably connected with a storage plate (9), the bottom of the storage plate (9) is provided with a plurality of air holes (10), one side of the first box body (1) is provided with a condensation cylinder (11), the bottom of the condensation cylinder (11) is provided with a refrigerator (12), the utility model discloses a solar water heater, including condensation cylinder (11), one side of first box (1) is provided with oil water separator (14), water storage tank (15) are installed to the bottom of oil water separator (14), drawing liquid pump (16) are installed at the top of water storage tank (15), controller (17) are installed in the front of first box (1), the internally mounted of water storage tank (15) has spacing frame (40), the internally mounted of spacing frame (40) has filter screen (41).

2. The device for extracting essential oil from cosmetic plants as claimed in claim 1, wherein: power unit (5) include motor (51), and motor (51) pass through the mounting and install the one side at second box (2), the fixed cover of output of motor (51) has connect first rotation wheel (52), the surface of first rotation wheel (52) is connected with second rotation wheel (53) with dwang (3) fixed cup joint through belt transmission.

3. The device for extracting essential oil from cosmetic plants as claimed in claim 1, wherein: two the one end of dwang (3) all runs through to the outside of second box (2) and fixed cover has connect gear (18), and intermeshing between two gear (18).

4. The device for extracting essential oil from cosmetic plants as claimed in claim 1, wherein: first seal groove (19) have been seted up to the inside of silo (6) down, the inside sliding connection of first seal groove (19) has first closing plate (20), one side threaded connection of second box (2) has spacing bolt (21), the one end of spacing bolt (21) runs through to the inside of first seal groove (19) and rotates with first closing plate (20) through the bearing to be connected, the top of second box (2) is provided with inserted block (22), first sealed pad (23) with silo (6) joint down is installed to the bottom of inserted block (22).

5. The device for extracting essential oil from cosmetic plants as claimed in claim 1, wherein: the second seal groove (24) that communicate with mounting groove (8) are seted up in the front of first box (1), the inside joint of second seal groove (24) has second closing plate (25) with storage plate (9) bolt, the sealed pad (26) of second is installed to one side that second closing plate (25) are close to second seal groove (24), screens board (42) are installed in the front of second closing plate (25), and the front threaded connection of screens board (42) has the bolt with first box threaded connection.

6. The device for extracting essential oil from cosmetic plants as claimed in claim 1, wherein: the utility model discloses a condenser, including a condenser section of thick bamboo (11), oil water separator (14), water storage tank (15) and drawing liquid pump (16), the both ends of spiral condenser pipe (13) all run through to the outside of condenser section of thick bamboo (11) and communicate with first box (1) and oil water separator (14) respectively, the intercommunication has first pipeline (27) between oil water separator (14) and water storage tank (15), the feed liquor end of water storage tank (15) and drawing liquid pump (16) passes through the pipeline intercommunication, the intercommunication has second pipeline (28) between the play liquid end of drawing liquid pump (16) and first box (1), and the feed liquor end of drawing liquid pump (16) passes through pipeline and water storage tank (15) intercommunication.

7. The device for extracting essential oil from cosmetic plants as claimed in claim 1, wherein: the bottom intercommunication of first box (1) has first fluid-discharge tube (29), one side intercommunication of first box (1) has first feed liquor pipe (30), the surface intercommunication of condensation section of thick bamboo (11) has second fluid-discharge tube (31), the top intercommunication of condensation section of thick bamboo (11) has second feed liquor pipe (32), the surface intercommunication of oil water separator (14) has third fluid-discharge tube (33), the top intercommunication of oil water separator (14) has blast pipe (34).

8. An extraction device of cosmetic plant essential oil according to claim 7, characterized in that: and electromagnetic valves (35) are arranged on the surfaces of the first liquid discharge pipe (29), the first liquid inlet pipe (30), the second liquid discharge pipe (31), the third liquid discharge pipe (33) and the first pipeline (27).

9. The device for extracting essential oil from cosmetic plants as claimed in claim 1, wherein: the fixed surface of first box (1) has cup jointed carriage (36), backup pad (37) with storage water tank (15) bolt is installed to one side of the carriage (36) body, the surperficial joint of condensation section of thick bamboo (11) has fixing base (38) with first box (1) bolt, feeder hopper (39) are installed at the top of second box (2).

10. An extraction operation method of cosmetic plant essential oil is characterized by comprising the following steps:

step 1: selecting aromatic plant raw materials to be extracted, and transporting the aromatic plant raw materials to the side of the device through a transporting device;

step 2: the motor (51) is started, the motor (51) drives the first rotating wheel (52) to rotate, the first rotating wheel (52) drives the second rotating wheel (53) to rotate, the second rotating wheel (53) drives the two rotating rods (3) to rotate mutually under the action of the two gears (18), and the rotating directions of the two rotating rods (3) are opposite to each other to drive the rotating directions of the two crushing wheels (4) to be opposite;

and step 3: the aromatic plant raw materials are added into the second box body (2) through a feed hopper (39), the added aromatic plant raw materials are crushed through two crushing wheels (4), cell walls of the aromatic plant raw materials are crushed, and the crushed aromatic plant raw materials fall onto a storage plate (9) in the first box body (1).

And 4, step 4: the heating pipe (7) and the refrigerator (12) in the first box body (1) are started through the controller (17), water added into the first box body (1) is heated to form steam, the steam is in contact with the aromatic plant raw materials on the storage plate (9) through the air holes (10), the essential oil of the plants is sent out by heating and sending the steam, the steam containing the essential oil is conveyed into the condensation cylinder (11) through the rotary condensation pipe, water flow in the condensation cylinder (11) is refrigerated through the refrigerator (12), the steam containing the essential oil forms liquid through the action of cold water, and then the liquid is conveyed into the oil-water separator (14).

And 5: when the liquid amount in the oil-water separator (14) reaches the blanking amount, the essential oil is discharged through a third liquid discharge pipe (33), the pure water in the oil-water separator (14) is conveyed into the water storage tank (15) through a first pipeline (27), and when the water amount in the water storage tank (15) reaches a certain amount, the liquid pump (16) is opened, and the pure water is conveyed into the first tank body (1) through a second pipeline (28) to form circulation, so that the purpose of energy conservation is achieved.

Technical Field

The invention relates to the technical field of cosmetic processing equipment, in particular to an extraction device and an extraction method for producing cosmetic plant essential oil.

Background

The plant essential oil is extracted from flowers, leaves, roots, barks, fruits, seeds, resin and the like of herbaceous plants in a distillation and squeezing mode, the plant essential oil is one of important cosmetic materials, a distillation device is required when the plant essential oil is extracted, but the structure of the conventional distillation device is generally simpler, the essential oil in the aromatic plant raw materials is extracted through steam, but the essential oil in the aromatic plant raw materials cannot be completely extracted through the steam extraction in a short time due to cell walls in the aromatic plant raw materials, the waste and extraction time of the aromatic plant raw materials are longer, meanwhile, a machine for separating the essential oil from water is required when the conventional aromatic plant raw materials are extracted, pure water is remained after the essential oil is fed by using the machine, and the pure water is directly discharged and is not utilized any more, however, some essential oil still remains in these pure water, and the use of these pure water will not cause waste of water resource and essential oil, so we propose an extraction device capable of improving extraction efficiency and saving energy to solve this problem.

Disclosure of Invention

The invention aims to provide an extraction device and an extraction method for cosmetic plant essential oil, which have the advantages of solving the problems of low extraction efficiency and energy consumption of the existing extraction device.

In order to achieve the purpose, the invention provides the following technical scheme: an extraction device of cosmetic plant essential oil comprises a first box body, wherein the top of the first box body is provided and communicated with a second box body, the inside of the second box body is symmetrically and rotatably connected with rotating rods through bearings, the surfaces of the two rotating rods are fixedly sleeved with crushing wheels, the two crushing wheels are mutually meshed, one side of the second box body is provided with a power mechanism, the top of the second box body is provided with a blanking groove, the inside of the first box body is provided with a heating pipe, the inside of the first box body is provided with a mounting groove, the inside of the mounting groove is slidably connected with a storage plate, the bottom of the storage plate is provided with a plurality of air holes, one side of the first box body is provided with a condensation cylinder, the bottom of the condensation cylinder is provided with a refrigerator, the inside of the condensation cylinder is provided with a spiral condensation pipe, and one side of the first box body is provided with an oil-water separator, the water pump is installed at the top of water storage tank, the controller is installed in the front of first box, the internally mounted of water storage tank has spacing frame, the internally mounted of spacing frame has the filter screen.

Preferably, power unit includes the motor, and the motor passes through the mounting and installs the one side at the second box, the fixed cover of output of motor has connect first rotation wheel, the surface of first rotation wheel is connected with the second rotation wheel that fixedly cup joints with the dwang through belt transmission.

Preferably, one end of each rotating rod penetrates through the outside of the second box body, the rotating rods are fixedly sleeved with gears, and the two gears are meshed with each other.

Preferably, a first sealing groove is formed in the lower trough, a first sealing plate is slidably connected to the inside of the first sealing groove, a limiting bolt is connected to one side of the second box body through threads, one end of the limiting bolt penetrates through the inside of the first sealing groove and is rotatably connected with the first sealing plate through a bearing, an insertion block is arranged at the top of the second box body, and a first sealing gasket connected with the lower trough in a clamped mode is installed at the bottom of the insertion block.

Preferably, the second seal groove that communicates with the mounting groove is seted up in the front of first box, the inside joint of second seal groove has the second closing plate with the parking board bolt joint, the second closing plate is close to one side of second seal groove and installs the sealed pad of second, the screens board is installed in the front of second closing plate, and the front threaded connection of screens board have with first box threaded connection's bolt.

Preferably, both ends of the spiral condenser pipe penetrate through the outside of the condenser barrel and are respectively communicated with the first box body and the oil-water separator, a first pipeline is communicated between the oil-water separator and the water storage box, the water storage box is communicated with the liquid inlet end of the liquid pump through a pipeline, a second pipeline is communicated between the liquid outlet end of the liquid pump and the first box body, and the liquid inlet end of the liquid pump is communicated with the water storage box through a pipeline.

Preferably, the bottom of the first box body is communicated with a first liquid discharge pipe, one side of the first box body is communicated with a first liquid inlet pipe, the surface of the condensation cylinder is communicated with a second liquid discharge pipe, the top of the condensation cylinder is communicated with a second liquid inlet pipe, the surface of the oil-water separator is communicated with a third liquid discharge pipe, and the top of the oil-water separator is communicated with an exhaust pipe.

Preferably, the surfaces of the first liquid discharge pipe, the first liquid inlet pipe, the second liquid discharge pipe, the third liquid discharge pipe and the first pipeline are all provided with electromagnetic valves.

Preferably, the fixed surface of first box has cup jointed the carriage, the backup pad with the storage water tank bolt is installed to one side of carriage, the surperficial joint of condenser cylinder has the fixing base with first box bolt, the feeder hopper is installed at the top of second box.

The invention is realized by the following steps:

step 1: selecting aromatic plant raw materials to be extracted, and transporting the aromatic plant raw materials to the side of the device through a transporting device;

step 2: the motor is started, the motor drives the first rotating wheel to rotate, the first rotating wheel drives the second rotating wheel to rotate, the second rotating wheel drives the two rotating rods to rotate mutually under the action of the two gears, and the rotating directions of the two rotating rods are opposite to each other to drive the two crushing wheels to rotate in opposite directions;

and step 3: add aromatic plant raw materials into the second box through the feeder hopper, carry out the breakage through two broken wheels with the aromatic plant raw materials that add, make the cell wall breakage of aromatic plant raw materials come, fall on the board of depositing of first box inside after the aromatic plant raw materials is broken.

And 4, step 4: the heating pipe and the refrigerator inside the first box body are started through the controller, water inside the first box body is heated, steam is formed, the steam is in contact with the aromatic plant raw materials on the storage plate through the air holes, the essential oil of plants is sent out through heating steam, the water steam containing the essential oil is conveyed to the condensation cylinder through the rotary condensation pipe, the water flow inside the condensation cylinder is refrigerated through the refrigerator, the water steam containing the essential oil forms liquid through the action of cold water, and then the water steam is conveyed to the oil-water separator.

And 5: when the liquid amount in the oil-water separator reaches the amount of unloading, discharge essential oil through the third fluid-discharge tube, carry the pure water in the oil-water separator in the water storage tank through first pipeline, when the water yield in the water storage tank reaches certain amount, open the drawing liquid pump, carry the pure water in the first box through the second pipeline, form the circulation, reach energy-conserving purpose.

Compared with the prior art, the invention has the following beneficial effects:

according to the invention, the motor drives the first rotating wheel to rotate, the first rotating wheel drives the second rotating wheel to rotate, the two crushing wheels rotate under the action of the gear to crush the aromatic plant raw materials, so that cell walls of the aromatic plant raw materials are crushed, and therefore, when the aromatic plant raw materials are extracted, the steam can be used for thoroughly refining essential oil in the aromatic plant raw materials and has higher speed;

according to the invention, when the amount of pure water in the oil-water separator reaches a certain amount, the pure water is conveyed into the water storage tank only by opening the electromagnetic valve on the first pipeline, and when the liquid amount in the water storage tank reaches a preset value, the liquid pump is started to convey the pure water in the water storage tank into the first tank body for continuous use and purification, so that the consumption of a water source is reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial sectional view of the present invention;

FIG. 3 is a partial sectional view of the present invention;

FIG. 4 is a partial sectional view of the present invention;

FIG. 5 is a partial sectional view of the present invention;

FIG. 6 is an enlarged view taken at A of FIG. 3 according to the present invention.

In the figure: 1. a first case; 2. a second case; 3. rotating the rod; 4. a crushing wheel; 5. a power mechanism; 51. a motor; 52. a first rotating wheel; 53. a second rotating wheel; 6. a discharging groove; 7. heating a tube; 8. mounting grooves; 9. a storage plate; 10. air holes are formed; 11. a condensing cylinder; 12. a refrigerator; 13. a spiral condenser tube; 14. an oil-water separator; 15. a water storage tank; 16. a liquid pump; 17. a controller; 18. a gear; 19. a first seal groove; 20. a first sealing plate; 21. a limit bolt; 22. inserting a block; 23. a first gasket; 24. a second seal groove; 25. a second sealing plate; 26. a second gasket; 27. a first conduit; 28. a second conduit; 29. a first drain pipe; 30. a first liquid inlet pipe; 31. a second drain pipe; 32. a second liquid inlet pipe; 33. a third drain pipe; 34. an exhaust pipe; 35. an electromagnetic valve; 36. a support frame; 37. a support plate; 38. a fixed seat; 39. a feed hopper; 40. a limiting frame; 41. and (5) filtering by using a filter screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, a device for extracting essential oil from cosmetic plants comprises a first box body 1, a second box body 2 is installed and communicated on the top of the first box body 1, rotating rods 3 are symmetrically and rotatably connected inside the second box body 2 through bearings, crushing wheels 4 are fixedly sleeved on the surfaces of the two rotating rods 3, the two crushing wheels 4 are meshed with each other, a power mechanism 5 is arranged on one side of the second box body 2, a blanking groove 6 is arranged on the top of the second box body 2, a heating pipe 7 is installed inside the first box body 1, an installation groove 8 is arranged inside the first box body 1, a storage plate 9 is slidably connected inside the installation groove 8, a plurality of air vents 10 are arranged at the bottom of the storage plate 9, a condensing cylinder 11 is arranged on one side of the first box body 1, a refrigerator 12 is installed at the bottom of the condensing cylinder 11, a spiral condensing cylinder 13 is installed inside the condensing cylinder 11, an oil-water separator 14 is arranged on one side of the first box body 1, a water storage tank 15 is arranged at the bottom of the oil-water separator 14, a liquid pump 16 is arranged at the top of the water storage tank 15, a controller 17 is arranged on the front face of the first box body 1, a limiting frame 40 is arranged inside the water storage tank 15, a filter screen 41 is arranged inside the limiting frame 40, a first rotating wheel 52 is driven to rotate through a motor 51, the first rotating wheel 52 drives a second rotating wheel 53 to rotate, two crushing wheels 4 rotate under the action of a gear 18 to crush aromatic plant raw materials, cell walls of the aromatic plant raw materials are crushed, therefore, when the aromatic plant raw materials are extracted, steam can refine essential oil inside the aromatic plant raw materials more thoroughly and faster, when the amount of pure water inside the oil-water separator 14 reaches a certain amount, only an electromagnetic valve 35 on a first pipeline 27 needs to be opened, the pure water is conveyed into the water storage tank 15, when the liquid amount in the water storage tank 15 reaches a preset value, the liquid pump 16 is started to convey the pure water in the water storage tank 15 to the first tank body 1 for continuous use and purification, and the consumption of water sources is reduced.

In this embodiment, the power mechanism 5 includes a motor 51, and the motor 51 is installed at one side of the second box 2 through a fixing member, the output end of the motor 51 is fixedly sleeved with a first rotating wheel 52, the surface of the first rotating wheel 52 is connected with a second rotating wheel 53 fixedly sleeved with the rotating rod 3 through a belt transmission, and the motor 51, the first rotating wheel 52 and the second rotating wheel 53 are arranged to provide power for the rotating rod 3.

In this embodiment, the one end of two dwang 3 all runs through to the outside of second box 2 and fixed the cup joint has gear 18, and intermeshing between two gears 18, through the gear 18 setting, makes things convenient for two dwang 3 to rotate together.

In this embodiment, a first sealing groove 19 is formed in the lower chute 6, a first sealing plate 20 is slidably connected in the first sealing groove 19, a limiting bolt 21 is connected to one side of the second box body 2 through a thread, one end of the limiting bolt 21 penetrates through the first sealing groove 19 and is rotatably connected with the first sealing plate 20 through a bearing, an insert 22 is arranged at the top of the second box body 2, a first sealing gasket 23 clamped with the lower chute 6 is installed at the bottom of the insert 22, and the second box body 2 is sealed through the first sealing groove 19, the first sealing plate 20, the limiting bolt 21, the insert 22 and the first sealing gasket 23.

In this embodiment, the front surface of the first box 1 is provided with a second sealing groove 24 communicated with the mounting groove 8, a second sealing plate 25 bolted to the storage plate 9 is clamped inside the second sealing groove 24, a second sealing gasket 26 is installed on one side of the second sealing plate 25 close to the second sealing groove 24, a clamping plate 42 is installed on the front surface of the second sealing plate 25, the front surface of the clamping plate 42 is in threaded connection with a bolt in threaded connection with the first box, and the first box 1 is sealed by the second sealing groove 24, the second sealing plate 25 and the second sealing gasket 26.

In this embodiment, the both ends of spiral condenser pipe 13 all run through to the outside of condenser 11 and communicate with first box 1 and oil water separator 14 respectively, the intercommunication has first pipeline 27 between oil water separator 14 and the storage water tank 15, the pipeline intercommunication is passed through to the inlet port of storage water tank 15 and drawing liquid pump 16, the intercommunication has second pipeline 28 between the play liquid end of drawing liquid pump 16 and the first box 1, and the inlet port of drawing liquid pump 16 passes through pipeline and storage water tank 15 intercommunication, set up through first pipeline 27 and second pipeline 28, make things convenient for the transport at water source.

In this embodiment, the bottom of the first box 1 is communicated with a first liquid discharge pipe 29, one side of the first box 1 is communicated with a first liquid inlet pipe 30, the surface of the condensation cylinder 11 is communicated with a second liquid discharge pipe 31, the top of the condensation cylinder 11 is communicated with a second liquid inlet pipe 32, the surface of the oil-water separator 14 is communicated with a third liquid discharge pipe 33, the top of the oil-water separator 14 is communicated with an exhaust pipe 34, and the device is convenient for blanking and feeding through the arrangement of the first liquid discharge pipe 29, the first liquid inlet pipe 30, the second liquid discharge pipe 31, the second liquid inlet pipe 32, the third liquid discharge pipe 33 and the exhaust pipe 34.

In this embodiment, the surfaces of the first liquid discharging pipe 29, the first liquid feeding pipe 30, the second liquid discharging pipe 31, the third liquid discharging pipe 33 and the first pipeline 27 are all provided with an electromagnetic valve 35, and the feeding and discharging are controlled by the arrangement of the electromagnetic valve 35.

In this embodiment, the fixed surface of first box 1 has cup jointed carriage 36, the backup pad 37 with storage water tank 15 bolt is installed to one side of the 36 bodies of carriage, the surperficial joint of condensation section of thick bamboo 11 has the fixing base 38 with first box 1 bolt, feeder hopper 39 is installed at the top of second box 2, through carriage 36, backup pad 37, fixing base 38 and feeder hopper 39 setting, support the device and carry out spacing fixed to condensation section of thick bamboo 11, feeder hopper 39 makes things convenient for the fragrant plant raw materials to add in the second box 2.

The invention is realized by the following steps:

step 1: selecting aromatic plant raw materials to be extracted, and transporting the aromatic plant raw materials to the side of the device through a transporting device;

step 2: starting the motor 51, wherein the motor 51 drives the first rotating wheel 52 to rotate, the first rotating wheel 52 drives the second rotating wheel 53 to rotate, the second rotating wheel 53 drives the two rotating rods 3 to rotate mutually under the action of the two gears 18, and the rotating directions of the two rotating rods 3 are opposite to each other to drive the two crushing wheels 4 to rotate in opposite directions;

and step 3: the aromatic plant raw materials are added into the second box body 2 through the feed hopper 39, and are crushed through the two crushing wheels 4, so that the cell walls of the aromatic plant raw materials are crushed, and the crushed aromatic plant raw materials fall onto the storage plate 9 in the first box body 1.

And 4, step 4: the heating pipe 7 and the refrigerator 12 in the first box body 1 are started through the controller 17, water added into the first box body 1 is heated to form steam, the steam is in contact with the aromatic plant raw materials on the storage plate 9 through the air holes 10, the essential oil of the plant is sent out by heating the steam, the steam containing the essential oil is conveyed into the condensation cylinder 11 through the rotary condensation pipe, water flow in the condensation cylinder 11 is refrigerated through the refrigerator 12, the steam containing the essential oil forms liquid through the action of cold water, and then the liquid is conveyed into the oil-water separator 14.

And 5: when the liquid amount in the oil-water separator 14 reaches the discharging amount, the essential oil is discharged through the third liquid discharge pipe 33, the pure water in the oil-water separator 14 is conveyed into the water storage tank 15 through the first pipeline 27, and when the water amount in the water storage tank 15 reaches a certain amount, the liquid pump 16 is opened, and the pure water is conveyed into the first tank 1 through the second pipeline 28, so that circulation is formed, and the purpose of energy conservation is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.