CN112824510A

CN112824510A - Utilize supercritical principle to extract rose essential oil device

Info

Publication number: CN112824510A
Application number: CN201911148043.3A
Authority: CN
Inventors: 张靖倩
Original assignee: Hunan University of Technology
Current assignee: Hunan University of Technology
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2021-05-21

Abstract

The invention relates to the technical field of rose essential oil extraction, and discloses a device for extracting rose essential oil by utilizing a supercritical principle. Carbon dioxide in the storage tank passes through compressor arrangement and reaches critical pressure, and the heater strip heating carbon dioxide reaches critical temperature, and carbon dioxide forms a non-gaseous state and liquid fluid state, and fluid carbon dioxide is through the through-hole collision mixture that inclines each other to it holds more rose internal components to have reached the carbon dioxide fluid, and this structure reaches the original chemical property of rose composition.

Description

Utilize supercritical principle to extract rose essential oil device

Technical Field

The invention relates to the technical field of rose essential oil extraction, in particular to a device for extracting rose essential oil by utilizing a supercritical principle.

Background

The rose essential oil is a world-famous high-grade concentrated essence, is a fine product in essential oil, is an important and expensive raw material for manufacturing high-grade noble perfume, has good beautifying and skin-protecting effects, can dilute speckles by nourishing inside and outside, promote melanin decomposition, improve skin dryness and restore skin elasticity, enables women to have white and elastic healthy skin, is suitable for female health care, is not only used for manufacturing cosmetics such as beautifying, skin care, hair care and the like, but also is widely used for medicines and foods.

The most commonly used rose essential oil extraction device in the prior art is water vapor extraction of rose essential oil, but the extraction of rose essential oil by water vapor requires very high temperature, the chemical components of the extracted rose essential oil are changed in a high-temperature environment, and the oxidation and dissipation of heat-sensitive substances lead to poor quality of the extracted rose essential oil.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a device for extracting rose essential oil by utilizing a supercritical principle, which has the advantages of keeping the original chemical properties of rose components, recycling carbon dioxide and conveniently cleaning waste residues, and solves the problems that the existing device for extracting rose essential oil by utilizing the supercritical principle does not have the original chemical properties of the rose components, is wasted in carbon dioxide and is inconvenient to clean the waste residues.

(II) technical scheme

In order to achieve the purposes of keeping the original chemical properties of the rose components, recycling carbon dioxide and conveniently cleaning waste residues, the invention provides the following technical scheme: a device for extracting rose essential oil by utilizing a supercritical principle comprises a storage tank, wherein the lower end of the storage tank is fixedly connected with a conveying pipe, the middle part of the conveying pipe is fixedly connected with a compression device, the lower end of the conveying pipe is fixedly connected with a dissolving bin, the lower part of the dissolving bin is fixedly connected with a partition plate, a through hole is formed in the partition plate, a heat absorbing plate is fixedly connected in the dissolving bin and at the lower side of the partition plate, a heating wire is arranged in the dissolving bin and at the lower side of the heat absorbing plate, the upper side in the dissolving bin is rotatably connected with a rotating shaft, a plurality of fan blades are arranged on the outer side of the rotating shaft, a driving device is fixedly connected at the upper side outside the dissolving bin, a fixing plate is rotatably connected in the driving device, a round hole is formed in the fixing plate, the hollow groove has been seted up to separator's inside downside, separator's inside lower extreme fixedly connected with collecting pipe, separator's inside downside and at hollow inslot fixedly connected with solid-liquid separation board, separator's inside right side and at the top fixedly connected with dog of solid-liquid separation board, separator's right part fixedly connected with solid discharge pipeline, the left end of solid discharge pipeline is provided with first solenoid valve, separator's right part and at the top fixedly connected with circulating line of solid discharge pipeline, the lower extreme of circulating line is provided with water trap, water trap's left end fixedly connected with second solenoid valve, drive arrangement's inside sliding connection has the division board, the spout has been seted up to one side of division board, one side of division board and fixedly connected with spring in the spout, the spring is at the one side fixedly connected with sliding plate of keeping away from the spout, the upper end of sliding.

Preferably, the directions of the adjacent through holes are opposite, and only the through hole in the middle is vertically arranged, so that the rose liquid and the fluid carbon dioxide are uniformly mixed.

Preferably, the solid-liquid separation plate is arc-shaped, so that the rose feed liquid waste residue is removed after use.

Preferably, the upper end of the check block is inclined leftward and the right side of the lower part of the check block is arc-shaped, the upper end of the check block is inclined leftward to ensure that separated liquid slides downward, and the right side of the lower part of the check block is arc-shaped, so that inertial sliding during removing rose feed liquid waste residues is facilitated.

Preferably, the upper part of the solid discharge pipeline is a circular arc pipe, so that the orbital rotation of the rose feed liquid waste residue under inertia is ensured.

Preferably, division board and fixed plate fixed connection to guarantee that the carbon dioxide gas of backward flow promotes the division board and drives the pivot rotation, and can guarantee that the round hole fixed point discharges the carbon dioxide gas of backward flow.

Preferably, the diameter of the round hole is smaller than that of the cylinder, so that the carbon dioxide gas reflowing at other positions is prevented from leaking, and the energy source of the reflowing carbon dioxide gas is wasted.

Preferably, the number of the partition plates, the springs and the sliding plates is the same as that of the circular holes.

(III) advantageous effects

Compared with the prior art, the invention provides a device for extracting rose essential oil by utilizing a supercritical principle, which has the following beneficial effects:

1. the device for extracting the rose essential oil by utilizing the supercritical principle achieves the critical air pressure by the carbon dioxide in the storage tank through the compression device, then the carbon dioxide reaches the critical temperature by the heating wire in the dissolving bin, the carbon dioxide at the moment forms a non-gaseous and liquid fluid state, substances to be separated from the supercritical fluid are contacted, the substances to be separated from the supercritical fluid are selectively extracted out in sequence from the components with large and small polarity, high and low boiling points and large and small molecular weights, and the fluid carbon dioxide is collided and mixed with each other through the inclined through holes, so that the carbon dioxide fluid contains more internal components of roses, the structure achieves the effect that the extraction of the rose components can extract the substances with high boiling points, low volatility and easy pyrolysis at the temperature far lower than the boiling points, and the original chemical properties of the rose components are ensured.

2. This utilize supercritical principle to extract rose essential oil device, bottom through carbon dioxide gas entering drive arrangement, carbon dioxide gas inflation extrusion sliding plate, the sliding plate slides in the spout through the extrusion spring, and simultaneously, the division board is promoted, the division board drives the pivot and rotates, at this moment, cylinder and round hole are opened, carbon dioxide gas is being ventilated the carbon dioxide gas between the division board and is being discharged, along with the rotation of pivot, carbon dioxide gas between the repeated division board of beginning is discharged, and the pivot drives the flabellum rotation in the dissolving bin, thereby further improve the capacity that the carbon oxide fluid holds the rose composition, this structure has avoided the problem that needs additionally to add the stirring structure.

3. This utilize supercritical principle to extract rose essential oil device passes through separator through the carbon dioxide fluid, and cooling device among the separator cools down it, and carbon dioxide in the carbon dioxide fluid becomes gaseous, and moisture in the carbon dioxide gas is got rid of through water trap to prevent that moisture and carbon dioxide gas from flowing back to the holding vessel together, further avoid the similar equipment of compressor arrangement to be corroded by water.

4. This utilize supercritical principle to extract rose essential oil device, through being extracted the completion back at the rose composition, through closed second solenoid valve with open first solenoid valve, and aerify it through the gas among the compressor arrangement compressed air, the waste residue of compressed gas extrusion separator's inside passes through the solid discharge pipeline and discharges, and this structure has reached and has clear away the effect that the rose composition was extracted the back waste residue to the inconvenient problem of current rose extraction device to waste residue clearance has been solved.

Drawings

FIG. 1 is a schematic view of the overall front structure of the present invention;

FIG. 2 is a cross-sectional view of the structure of FIG. 1 taken along line A-A thereof in accordance with the present invention;

FIG. 3 is a partial sectional view of the front structure of the driving device of the present invention;

FIG. 4 is a cross-sectional view of the structure of FIG. 3 taken along line B-B in accordance with the present invention;

fig. 5 is a cross-sectional view of the structure of fig. 3 at C-C in accordance with the present invention.

In the figure: 1 storage tank, 2 delivery pipes, 3 compression devices, 4 dissolving bins, 401 partition plates, 4011 through holes, 402 heat absorbing plates, 403 heating wires, 404 rotating shafts, 4041 fan blades, 5 driving devices, 501 fixing plates, 5011 round holes, 6 separating devices, 601 cooling devices, 602 hollow grooves, 603 collecting pipes, 7 solid-liquid separating plates, 8 blocks, 9 solid discharge pipelines, 901 first electromagnetic valves, 10 circulating pipelines, 1001 water removing devices, 1002 second electromagnetic valves, 11 partition plates, 1101 sliding grooves, 12 springs, 13 sliding plates and 1301 cylinders.

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.

Please refer to fig. 1-5, a device for extracting rose essential oil by using supercritical principle, comprising a storage tank 1, a lower end of the storage tank 1 is fixedly connected with a delivery pipe 2, a middle part of the delivery pipe 2 is fixedly connected with a compression device 3, a lower end of the delivery pipe 2 is fixedly connected with a dissolving bin 4, a lower part of the dissolving bin 4 is fixedly connected with a partition 401, a through hole 4011 is provided in the partition 401, the dissolving bin 4 is fixedly connected with a heat absorbing plate 402 at the lower side of the partition 401, the dissolving bin 4 is provided with a heating wire 403 at the lower side of the heat absorbing plate 402, a rotating shaft 404 is rotatably connected at the upper side of the dissolving bin 4, a plurality of fan blades 4011 are provided at the outer side of the rotating shaft 404, the directions of each adjacent through hole 4011 are offset, only the through hole 4011 at the middle part is vertically provided. Dissolve outside upside fixedly connected with drive arrangement 5 of storehouse 4, drive arrangement 5's inside rotation is connected with fixed plate 501, round hole 5011 has been seted up on fixed plate 501, dissolve through conveyer pipe 2 fixedly connected with separator 6 between storehouse 4 and the drive arrangement 5, separator 6's inside upside fixedly connected with cooling device 601, hollow groove 602 has been seted up to separator 6's inside downside, separator 6's inside lower extreme fixedly connected with collecting pipe 603, separator 6's inside downside and in hollow groove 602 fixedly connected with solid-liquid separation board 7, solid-liquid separation board 7 is the arc shape, thereby guarantee cleaing away after rose feed liquid waste residue uses.

The inside right side of separator 6 just is at solid-liquid separation board 7's top fixedly connected with dog 8, and the upper end of dog 8 is the leanin left and its lower part right side is the arc form, and the upper end is the downward slip of the liquid of guaranteeing to separate in the leanin left region, and the lower part right side is the arc form and is favorable to the inertial slip when rose feed liquid waste residue is clear away. The right part of the separating device 6 is fixedly connected with a solid discharge pipeline 9, and the upper part of the solid discharge pipeline 9 is a circular arc pipe, so that the trace rotation of the rose feed liquid waste residue under inertia is ensured. The left end of solid discharge pipe 9 is provided with first solenoid valve 901, separator 6's the right part and at solid discharge pipe 9's top fixedly connected with circulating line 10, circulating line 10's lower extreme is provided with water trap 1001, water trap 1001's left end fixedly connected with second solenoid valve 1002, drive arrangement 5's inside sliding connection has division board 11, spout 1101 has been seted up to one side of division board 11, division board 11 and fixed plate 501 fixed connection, thereby it is rotatory to guarantee that the carbon dioxide gas of backward flow promotes division board 11 and drives pivot 404, and can guarantee the carbon dioxide gas of round hole 5011 fixed point discharge backward flow. A spring 12 is fixedly connected to one side of the partition plate 11 and in the sliding groove 1101, a sliding plate 13 is fixedly connected to one side of the spring 12 far away from the sliding groove 1101, a cylinder 1301 is arranged at the upper end of the sliding plate 13, and the diameter of the circular hole 5011 is smaller than that of the cylinder 1301, so that carbon dioxide gas flowing back at other positions is prevented from leaking, waste of carbon dioxide gas energy flowing back is caused, and the number of the partition plate 11, the spring 12 and the sliding plate 13 is the same as that of the circular hole 5011.

The working principle is as follows: the device for extracting rose essential oil by utilizing the supercritical principle is characterized in that when the device works, carbon dioxide in a storage tank 1 reaches critical air pressure through a compression device 3, then the carbon dioxide is enabled to reach critical temperature through a heating wire 403 in a dissolving bin 4, the carbon dioxide at the moment forms a non-gaseous and liquid fluid state, substances to be separated from supercritical fluid are contacted, the substances to be separated from the supercritical fluid are enabled to selectively extract components with large polarity, high and low boiling points and large and small molecular weights in sequence, and the fluid carbon dioxide is mutually collided and mixed through inclined through holes 4011, so that the carbon dioxide fluid contains more internal components of roses, the structure achieves that the rose component extraction can extract high-boiling-point, low-volatility and easily-pyrolyzed substances at a temperature far lower than the boiling point, and the original chemical properties of the rose components are guaranteed. Carbon dioxide fluid passes through the separation device 6, the cooling device 601 in the separation device 6 cools the carbon dioxide fluid, the carbon dioxide in the carbon dioxide fluid becomes gas, and the moisture in the carbon dioxide gas is removed through the water removal device 1001, thereby preventing the moisture and the carbon dioxide gas from flowing back to the storage tank 1 together, further preventing the equipment similar to the compression device 3 from being corroded by water, the carbon dioxide gas enters the bottom of the driving device 5, the carbon dioxide gas expands and presses the sliding plate 13, the sliding plate 13 slides in the sliding groove 1101 through the pressing spring 12, meanwhile, the partition plate 11 is pushed, the partition plate 11 drives the rotating shaft 404 to rotate, at this time, the cylinder 1301 and the circular hole 5011 are opened, the carbon dioxide gas between the ventilated partition plates 11 is discharged, and the water requirement is as follows: the other two spaces separated by the partition plate 11 do not react, but along with the rotation of the rotating shaft 404, the carbon dioxide gas between the partition plates 11 is discharged once again, and the rotating shaft 404 drives the fan blades 4041 in the dissolving bin 4 to rotate, so that the capacity of the carbon oxide fluid for containing the rose components is further improved, the structure avoids the problem that an additional stirring structure is required to be added, after the rose components are extracted, the second electromagnetic valve 1002 is closed and the first electromagnetic valve 901 is opened, and the compressed air is aerated through the gas in the compressed air of the compression device 3, the waste residues in the compressed air extrusion separation device 6 are discharged through the solid discharge pipeline 9, and the structure achieves the effect of removing the waste residues after the rose components are extracted, so that the problem that the conventional rose extraction device is inconvenient to clean the waste residues is solved.

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.

Claims

1. The utility model provides an utilize supercritical principle to extract rose essential oil device, includes holding vessel (1), its characterized in that: the lower end of the storage tank (1) is fixedly connected with a conveying pipe (2), the middle part of the conveying pipe (2) is fixedly connected with a compression device (3), the lower end of the conveying pipe (2) is fixedly connected with a dissolving bin (4), the lower part of the dissolving bin (4) is fixedly connected with a partition plate (401), a through hole (4011) is formed in the partition plate (401), a heat absorbing plate (402) is fixedly connected in the dissolving bin (4) and on the lower side of the partition plate (401), a heating wire (403) is arranged in the dissolving bin (4) and on the lower side of the heat absorbing plate (402), a rotating shaft (404) is rotatably connected on the upper side in the dissolving bin (4), a plurality of fan blades (4011) are arranged on the outer side of the rotating shaft (404), a driving device (5) is fixedly connected on the upper side in the outer part of the dissolving bin (4), a fixing plate (501) is, a separation device (6) is fixedly connected between the dissolving bin (4) and the driving device (5) through a conveying pipe (2), a cooling device (601) is fixedly connected to the upper side inside the separation device (6), a hollow groove (602) is formed in the lower side inside the separation device (6), a collecting pipe (603) is fixedly connected to the lower end inside the separation device (6), a solid-liquid separation plate (7) is fixedly connected to the lower side inside the separation device (6) and in the hollow groove (602), a stop block (8) is fixedly connected to the right side inside the separation device (6) and above the solid-liquid separation plate (7), a solid discharge pipeline (9) is fixedly connected to the right part of the separation device (6), a first electromagnetic valve (901) is arranged at the left end of the solid discharge pipeline (9), a circulation pipeline (10) is fixedly connected to the right part of the separation device (6) and above the solid discharge pipeline (9), the lower end of the circulating pipeline (10) is provided with a water removal device (1001), the left end of the water removal device (1001) is fixedly connected with a second electromagnetic valve (1002), the inside of the driving device (5) is slidably connected with a partition plate (11), one side of the partition plate (11) is provided with a sliding groove (1101), one side of the partition plate (11) is fixedly connected with a spring (12) in the sliding groove (1101), one side of the spring (12) far away from the sliding groove (1101) is fixedly connected with a sliding plate (13), and the upper end of the sliding plate (13) is provided with a cylinder (1301).

2. The device for extracting rose essential oil by using the supercritical principle as claimed in claim 1, wherein: the directions of the adjacent through holes (4011) are opposite, and only the through hole (4011) in the middle is vertically arranged.

3. The device for extracting rose essential oil by using the supercritical principle as claimed in claim 1, wherein: the solid-liquid separation plate (7) is arc-shaped.

4. The device for extracting rose essential oil by using the supercritical principle as claimed in claim 1, wherein: the upper end of the stop block (8) is inclined leftwards and the right side of the lower part of the stop block is arc-shaped.

5. The device for extracting rose essential oil by using the supercritical principle as claimed in claim 1, wherein: the upper part of the solid discharge pipeline (9) is a circular arc pipe.

6. The device for extracting rose essential oil by using the supercritical principle as claimed in claim 1, wherein: the separation plate (11) is fixedly connected with the fixing plate (501).

7. The device for extracting rose essential oil by using the supercritical principle as claimed in claim 1, wherein: the diameter of the round hole (5011) is smaller than that of the cylinder (1301).

8. The device for extracting rose essential oil by using the supercritical principle as claimed in claim 1, wherein: the number of the partition plates (11), the springs (12) and the sliding plates (13) is the same as that of the round holes (5011).