CN108998249A - A kind of essential oil extraction device and application method - Google Patents

Abstract

The invention discloses a device for extracting plant essential oils and a method for using it, comprising a sealed box, a conveying cylinder is installed inside the sealed box, one end of the conveying cylinder passes through the sealed box, and an outer end of the conveying cylinder is installed with Drive the motor, a material guide tube is installed on the outside of the delivery tube, and an injection hopper is installed on the upper end of the delivery tube; an air guide hole is provided through the outside of the delivery tube, and the air guide hole is located inside the sealed box; the delivery A transmission shaft is installed inside the cylinder through a bearing, and a steam injection pipe is installed on the outer end of the transmission shaft through a sealed bearing; Air outlet holes are arranged through the surface. The beneficial effect is that: the steam is injected into the conveying cylinder through the steam injection pipe and the air outlet, and the plant residue is stirred by the stirring blade at the same time, so that the steam and the plant residue can be fully contacted to ensure the effect and efficiency of essential oil extraction.

Description

Plant essential oil extraction device and use method

technical field

The invention relates to the technical field of essential oil production devices, in particular to a plant essential oil extraction device and a use method.

Background technique

Plant essential oils are the unique aromatic substances extracted from plants, which are extracted from the flowers, leaves, roots, bark, fruits, seeds, resins, etc. of herbal plants by distillation and pressing. Because aromatherapy essential oils are highly volatile and have small molecules, they are easily absorbed by the human body and can quickly penetrate into the internal organs of the human body to excrete excess components. The whole process only takes a few minutes, and the fragrance of the plant itself also directly stimulates the brain. The secretion of the pituitary gland, the secretion of enzymes and hormones, etc., balance the functions of the body, and play the role of beauty and skin care. Steam distillation is an important method for the production of plant essential oils. It is easy to operate, not only can reduce the distillation temperature of spice components, but also prevent decomposition or deterioration, so it is widely used in the industrial production of essential oils. However, the current steam distillation extraction device cannot ensure sufficient contact between water vapor and plant residues, which affects the effect and efficiency of essential oil extraction.

Contents of the invention

The purpose of the present invention is to provide a plant essential oil extraction device in order to solve the above problems, to solve the problem that the current steam distillation extraction device in the prior art cannot ensure sufficient contact between water vapor and plant residues, which affects the effect and efficiency of essential oil extraction and other technical issues. Among the many technical solutions provided by the present invention, the preferred technical solution injects steam into the conveying cylinder through the steam injection pipe and air outlet, and at the same time, stirs the plant residue through the stirring blade, so that the steam and the plant residue can be fully contacted to ensure the extraction of essential oil Technical effects such as effectiveness and efficiency are detailed below.

To achieve the above object, the present invention provides the following technical solutions:

A plant essential oil extraction device provided by the present invention includes a sealed box, an exhaust pipe is installed on the upper end of the sealed box, and the exhaust pipe communicates with the sealed box; a delivery cylinder is installed horizontally inside the sealed box, One end of the conveying cylinder passes through the sealed box, a drive motor is installed on the outer end of the conveying cylinder, and a material guiding pipe is installed on the outside of the conveying cylinder, the material guiding pipe is vertically upward, and the material guiding pipe The pipe is connected with the conveying cylinder, and the upper end of the material guiding pipe is equipped with an injection hopper; the outer side of the conveying cylinder is provided with an air guide hole, the air guide hole is located inside the sealed box, and the air guide hole is vertically upward A slag discharge pipe is installed at the bottom of the conveying cylinder, the slag discharge pipe is far away from the drive motor, the slag discharge pipe is connected with the conveying cylinder, and the slag discharge pipe is vertically downward for discharging plant residues from which essential oils have been extracted;

A transmission shaft is installed inside the delivery cylinder through a bearing, and the transmission shaft is connected to the driving motor. A steam injection pipe is installed through the sealed bearing, the transmission shaft adopts a hollow structure, and the steam injection pipe extends into the interior of the transmission shaft;

The transmission shaft is sequentially installed with a feeding screw blade, a stirring blade and a slag discharge screw blade along a direction away from the driving motor. In communication with each other, air outlet holes are provided through the surface of the stirring blade.

Preferably, the air guide hole is located above the stirring blade, and the air guide hole and the stirring blade are distributed alternately.

Preferably, an air collection bucket is installed at the inlet end of the exhaust pipe, and the air collection bucket is located above the air guide hole.

Preferably, a material injection sealing mechanism is installed inside the material guide tube for sealing the material guide tube to prevent water vapor from leaking. The sealing mechanism includes a fixing column and a material injection sealing plate, and the fixing column and The injection sealing plates are all hinged on the inner wall of the material guide tube, the external dimensions of the injection sealing plates are equal to the internal dimensions of the material guide tube, and the fixing column is located below the injection sealing plate, A sliding cavity is arranged inside the fixed column, and a sliding column is installed inside the sliding cavity through a sealing spring, and the sliding column passes through the sliding cavity, and the outer end of the sliding column is in contact with the injection sealing plate The bottom ends are hinged.

Preferably, the outer diameter of the sliding column is equal to the inner diameter of the sliding cavity, and clearance fit is adopted.

As a preference, a guide groove is provided through the inner wall of the sliding cavity, a guide rod is installed at the inner end of the sliding column, the guide rod passes through the inside of the guide groove, and the guide rod and the guide groove Clearance fit.

As a preference, a slag discharge sealing mechanism is installed on the inner wall of the sealing box for sealing the slag discharge pipe, the slag discharge sealing mechanism includes a guide column and a slag discharge sealing plate, and the guide column is installed on the The bottom of the conveying cylinder, the slag discharge sealing plate is hinged on the inner wall of the sealing box, the slag discharge sealing plate is located below the slag discharge pipe, the fixed end of the guide column and the fixed end of the slag discharge sealing plate are respectively Located on both sides of the slag discharge pipe, and the guide column runs through the slag discharge sealing plate, a baffle is installed at the bottom end of the guide column, and a compression spring is installed on the outside of the guide column, and the compression spring is installed on the outside of the guide column. The spring is located between the baffle plate and the slag discharge sealing plate, and is used to push the slag discharge sealing plate to seal the slag discharge pipe.

Preferably, a sealed door is installed at the bottom of the sealed box for taking out plant residues falling into the sealed box.

A method for using a plant essential oil extraction device, comprising the following steps:

a. Connect the steam injection pipe with the steam generating device, and connect the exhaust pipe with the condensing device;

b. Inject steam into the transmission shaft through the steam injection pipe, so that the steam enters the inside of the stirring blade and enters the inside of the delivery cylinder through the air outlet;

c. Inject crushed plant residues into the conveying cylinder through the injection hopper and the feed pipe;

d. The drive motor works to drive the transmission shaft to rotate, and the plant residue is pushed by the feeding screw blade until the plant residue is located in the middle of the delivery cylinder and is in contact with the stirring blade. As the transmission shaft rotates, the plant residue is stirred to make the plant residue fully contact with the steam, and the steam is used to steam the essential oil inside the plant residue, and the evaporated essential oil enters the seal through the air hole along with the steam. inside the box, and finally enter the condensing device through the exhaust pipe;

e. The slag discharge helical blade rotates with the transmission shaft to push the distilled plant residue into the slag discharge pipe, and the plant residue falls to the inner bottom of the sealed box through the slag discharge pipe.

The beneficial effect is that: the steam is injected into the conveying cylinder through the steam injection pipe and the air outlet, and the plant residue is stirred by the stirring blade at the same time, so that the steam and the plant residue can be fully contacted to ensure the effect and efficiency of essential oil extraction.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the internal structure front view of the present invention;

Fig. 2 is a partially enlarged schematic view of the delivery cylinder of the present invention;

Fig. 3 is the enlarged schematic view of the structure of the injection sealing mechanism of the present invention;

Fig. 4 is an enlarged schematic diagram of the structure of the slag discharge sealing mechanism of the present invention.

The reference signs are explained as follows:

1. Sealing box; 101. Sealing door; 2. Conveying cylinder; 201. Air guide hole; 3. Feeding screw blade; 4. Drive shaft; 5. Driving motor; 6. Material guide tube; 7. Filling and sealing mechanism; 701 , fixed column; 702, guide groove; 703, guide rod; 704, sliding column; 705, injection sealing plate; 706, sliding cavity; 707, sealing spring; 8, injection hopper; Air pipe; 11, slag discharge spiral blade; 12, steam injection pipe; 13, slag discharge pipe; 14, slag discharge sealing mechanism; 1401, guide column; 1402, compression spring; 1403, baffle plate; 1404, slag discharge seal plate; 15, stirring blade; 1501, air outlet.

Detailed ways

In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other implementations obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

Referring to Fig. 1-shown in Fig. 4, the present invention provides a kind of plant essential oil extracting device and using method, comprise sealing box 1, and the upper end of sealing box 1 is equipped with exhaust pipe 10, and exhaust pipe 10 is connected with sealing box 1; A conveying cylinder 2 is installed horizontally inside the sealed box 1, and one end of the conveying cylinder 2 passes through the sealed box 1, a drive motor 5 is installed on the outer end of the conveying cylinder 2, and a material guide pipe 6 is installed on the outside of the conveying cylinder 2, and the material guide tube 6 is vertical Straight upwards, and the material guide tube 6 is connected with the delivery cylinder 2, and the upper end of the material guide tube 6 is equipped with an injection hopper 8; the outside of the delivery cylinder 2 is provided with an air guide hole 201, and the air guide hole 201 is located inside the sealed box 1, and the air guide hole 201 Vertically upward; the bottom of the conveying cylinder 2 is equipped with a slag discharge pipe 13, which is far away from the drive motor 5, and the slag discharge pipe 13 is connected with the conveying cylinder 2, and the slag discharge pipe 13 is vertically downward for discharging the extraction process. plant residues of essential oils;

The transmission shaft 4 is installed inside the delivery cylinder 2 through bearings, and the transmission shaft 4 is connected with the drive motor 5. The end of the drive shaft 4 outside the drive motor 5 runs through the sealed box 1, and the outer end of the transmission shaft 4 is installed with a steam seal through a sealed bearing. The injection pipe 12 and the transmission shaft 4 adopt a hollow structure, and the steam injection pipe 12 extends into the interior of the transmission shaft 4;

The transmission shaft 4 is sequentially installed with the feeding screw blade 3, the stirring blade 15 and the slag discharge screw blade 11 along the direction away from the driving motor 5. The stirring blade 15 adopts a hollow structure, and the inside of the stirring blade 15 is connected with the inside of the transmission shaft 4 , the surface of the stirring blade 15 is provided with air outlet holes 1501 through it.

As an optional embodiment, the air guide hole 201 is located above the stirring blade 15, and the air guide hole 201 and the stirring blade 15 are distributed alternately, so that the steam carrying the plant essential oil enters the inside of the sealed box 1 through the air guide hole 201;

The inlet end of the exhaust pipe 10 is equipped with an air collecting bucket 9, and the air collecting bucket 9 is located above the air guide hole 201, so that the steam carrying the plant essential oil enters the inside of the exhaust pipe 10 through the air collecting bucket 9;

An injection sealing mechanism 7 is installed inside the material guide tube 6 for sealing the material guide tube 6 to prevent water vapor from leaking. Both are hinged on the inner wall of the material guide tube 6, the outer dimensions of the injection sealing plate 705 are equal to the inner dimensions of the material guide tube 6, the fixed column 701 is located below the material injection sealing plate 705, and the inside of the fixed column 701 is provided with a sliding cavity 706. Inside the chamber 706, a sliding column 704 is installed through a sealing spring 707. The sliding column 704 passes through the sliding cavity 706, and the outer end of the sliding column 704 is hinged to the bottom of the injection sealing plate 705. Apply pressure to the injection sealing plate 705, overcome the elastic force of the sealing spring 707, and make the sliding column 704 slide toward the inside of the sliding cavity 706, thereby rotating the injection sealing plate 705, and finally let the plant residue enter the delivery cylinder 2 through the material guide pipe 6 Inside, when the device is working, the elastic force of the sealing spring 707 is used to push the sliding column 704 to slide inside the sliding cavity 706, so that the sliding column 704 pushes the injection sealing plate 705 to seal the material guide tube 6, preventing steam from flowing from the material guide tube 6 to the outside Give way;

The outer diameter of the sliding column 704 is equal to the inner diameter of the sliding cavity 706, and a gap fit is adopted, so that the sliding column 704 can slide inside the sliding cavity 706, assisting in realizing the sealing of the injection sealing plate 705 to the material guide tube 6;

The inner wall of the sliding cavity 706 is provided with a guide groove 702, the inner end of the sliding column 704 is equipped with a guide rod 703, and the guide rod 703 passes through the inside of the guide groove 702, and the guide rod 703 and the guide groove 702 are loosely matched, so that the guide rod 703 is arranged to pass through the guide groove 702. The rod 703 and the guide groove 702 guide and limit the sliding column 704, ensuring that the sliding column 704 slides smoothly inside the sliding cavity 706;

The inner wall of the sealing box 1 is equipped with a slag discharge sealing mechanism 14, which is used to seal the slag discharge pipe 13. The slag discharge sealing mechanism 14 includes a guide column 1401 and a slag discharge sealing plate 1404. The guide column 1401 is installed at the bottom of the delivery cylinder 2. The slag sealing plate 1404 is hinged on the inner wall of the sealing box 1, the slag discharging sealing plate 1404 is located below the slag discharging pipe 13, the fixed ends of the guide column 1401 and the slag discharging sealing plate 1404 are respectively located on both sides of the slag discharging pipe 13, and the guiding The column 1401 runs through the slag discharge sealing plate 1404, the bottom end of the guide column 1401 is equipped with a baffle plate 1403, and the outside of the guide column 1401 is equipped with a compression spring 1402, and the compression spring 1402 is located between the baffle plate 1403 and the slag discharge sealing plate 1404. To push the slag discharge sealing plate 1404 to seal the slag discharge pipe 13, use the elastic force of the compression spring 1402 to push the slag discharge sealing plate 1404 upwards, so that the slag discharge sealing plate 1404 seals the slag discharge pipe 13 to prevent steam from flowing out of the slag discharge pipe. 13 leaks to the outside. When discharging slag, use plant residues to pressurize the slag discharge sealing plate 1404, overcome the elastic force of the compression spring 1402, and rotate the slag discharge sealing plate 1404, so that the plant residues are discharged from the slag discharge pipe 13;

A sealed door 101 is installed at the bottom of the sealed box 1 for taking out plant residues falling into the sealed box 1 .

A method for using a plant essential oil extraction device, comprising the following steps:

a. Connect the steam injection pipe 12 with the steam generating device, and connect the exhaust pipe 10 with the condensing device;

b. Inject steam into the inside of the transmission shaft 4 through the steam injection pipe 12, so that the steam enters the inside of the stirring blade 15, and enters the inside of the delivery cylinder 2 through the air outlet 1501;

c. Inject the pulverized plant residues into the delivery cylinder 2 through the injection hopper 8 and the feed pipe 6;

d. The driving motor 5 works to drive the transmission shaft 4 to rotate, and the plant residue is pushed through the feeding screw blade 3 until the plant residue is located in the middle of the conveying cylinder 2 and is in contact with the stirring blade 15, and the stirring blade 15 rotates with the transmission shaft 4 , stir the plant residue, make the plant residue fully contact with the steam, use the steam to steam the essential oil inside the plant residue, the evaporated essential oil enters the inside of the sealed box 1 through the air guide hole 201 along with the steam, and finally passes through the exhaust pipe 10 into the condensing unit;

e. The slag discharge helical blade 11 rotates with the transmission shaft 4 to push the distilled plant residue into the slag discharge pipe 13 , and the plant residue falls to the inner bottom of the sealed box 1 through the slag discharge pipe 13 .

The above is only a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Anyone skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present invention. Should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be determined by the protection scope of the claims.

Claims (9)

1. a kind of essential oil extraction device, including seal box (1), it is characterised in that: seal box (1) upper end is equipped with row Tracheae (10), the exhaust pipe (10) are connected with the seal box (1)；Seal box (1) inner transverse is equipped with conveying Cylinder (2), one end of the transport tube (2) are pierced by the seal box (1), and the outer end of the transport tube (2) is equipped with driving motor (5), be equipped with passage (6) on the outside of the transport tube (2), the passage (6) straight up, and the passage (6) with The transport tube (2) is connected, and passage (6) upper end is equipped with material feeding bucket (8)；Run through on the outside of the transport tube (2) and sets Be equipped with gas port (201), it is internal that the gas port (201) is located at the seal box (1), and the gas port (201) vertically to On；Transport tube (2) bottom is equipped with residue outlet (13), the residue outlet (13) far from the driving motor (5), it is described go out Slag pipe (13) is connected with the transport tube (2), and the residue outlet (13) is straight down, for the plant for extracting essential oil to be discharged Object residue；

It is equipped with transmission shaft (4) inside the transport tube (2) by bearing, the transmission shaft (4) and the driving motor (5) phase The seal box (1) is run through far from the one end of the driving motor (5) in connection, transmission shaft (4) outside, the transmission shaft (4) outer end is equipped with steam injection pipe (12) by sealing bearing, and the transmission shaft (4) uses hollow structure, the steaming It is internal that vapour injection pipe (12) protrudes into the transmission shaft (4)；

The transmission shaft (4) is sequentially installed with feeding screw blade (3), stirring along the direction far from the driving motor (5) Blade (15) and deslagging helical blade (11), the stirring blade (15) use hollow structure, and the stirring blade (15) The internal inside with the transmission shaft (4) is connected, and stirring blade (15) surface is provided through venthole (1501).

2. a kind of essential oil extraction device according to claim 1, it is characterised in that: the gas port (201) is located at institute The top of stirring blade (15) is stated, and the gas port (201) is interspersed with the stirring blade (15).

3. a kind of essential oil extraction device according to claim 1, it is characterised in that: the arrival end of the exhaust pipe (10) It is equipped with gas collection bucket (9), the gas collection bucket (9) is located at the top of the gas port (201).

4. a kind of essential oil extraction device according to claim 1, it is characterised in that: installation inside the passage (6) There are material feeding sealing mechanism (7), for being sealed to the passage (6), prevents water vapour from revealing, the sealing mechanism includes Fixed column (701) and material feeding sealing plate (705), the fixed column (701) and the material feeding sealing plate (705) are hinged on described The external dimensions of the inner wall of passage (6), the material feeding sealing plate (705) is equal with the inside dimension of the passage (6), institute It states fixed column (701) to be located at below the material feeding sealing plate (705), the fixed column (701) is internally provided with sliding cavity (706), it is equipped with slide post (704) inside the sliding cavity (706) by Packing spring (707), the slide post (704) is worn The sliding cavity (706) out, and the outer end of the slide post (704) and the bottom end of the material feeding sealing plate (705) are hinged.

5. a kind of essential oil extraction device according to claim 4, it is characterised in that: the outer diameter of the slide post (704) Size is equal with the internal diameter of the sliding cavity (706), and is gap-matched.

6. a kind of essential oil extraction device according to claim 5, it is characterised in that: the inner wall of the sliding cavity (706) It is provided through guide groove (702), the inner end of the slide post (704) is equipped with guide rod (703), the guide rod (703) It is pierced by inside from the guide groove (702), and the guide rod (703) and the guide groove (702) clearance fit.

7. a kind of essential oil extraction device according to claim 1, it is characterised in that: the inner wall of the seal box (1) is pacified Equipped with sealing mechanism of slagging tap (14), for being sealed to the residue outlet (13), the sealing mechanism of slagging tap (14) includes leading To column (1401) and sealing plate of slagging tap (1404), the guide post (1401) is mounted on the transport tube (2) bottom, described to slag tap Sealing plate (1404) is hinged on the seal box (1) inner wall, and the sealing plate of slagging tap (1404) is located under the residue outlet (13) The fixing end of side, the fixing end of the guide post (1401) and the sealing plate of slagging tap (1404) is located at the residue outlet (13) two sides, and the guide post (1401) is slagged tap sealing plate (1404) through described, the bottom end of the guide post (1401) It is equipped with baffle (1403), is equipped with holddown spring (1402) on the outside of the guide post (1401), the holddown spring (1402) Between the baffle (1403) and the sealing plate of slagging tap (1404), described sealing plate (1404) is slagged tap to institute for pushing Residue outlet (13) is stated to be sealed.

8. a kind of essential oil extraction device according to claim 1, it is characterised in that: seal box (1) the bottom installation There are hermatic door (101), drops down onto the internal plant residue of the seal box (1) for taking out.

9. a kind of application method of essential oil extraction device according to claim 1, which is characterized in that including following step It is rapid:

A, the steam injection pipe (12) is connected with steam generation facility, the exhaust pipe (10) is connected with condensing unit It connects；

B, steam is made to enter the paddle to injection steam inside the transmission shaft (4) by the steam injection pipe (12) Piece (15) is internal, and enters the transport tube (2) inside by the venthole (1501)；

C, residual to plant of the injection through crushing inside the transport tube (2) by the material feeding bucket (8) and the passage (6) Body；

D, driving motor (5) work drives transmission shaft (4) rotation, is pushed and is planted by the feeding screw blade (3) Object residuum until plant residue is located at the middle part of the transport tube (2), and is in contact with the stirring blade (15), described to stir Blade (15) is mixed as the transmission shaft (4) rotate, plant residue is stirred, comes into full contact with plant residue with steam, The essential oil inside plant residue is steamed using steam, described in the essential oil of evaporation is entered by the gas port (201) with steam Seal box (1) is internal, enters condensing unit eventually by the exhaust pipe (10)；

E, the deslagging helical blade (11) rotates with the transmission shaft (4), and the plant residue promotion after distillation is described out Slag pipe (13) is internal, and plant residue drops down onto the interior bottom of the seal box (1) by the residue outlet (13).