CN213012728U - Industrialized essential oil and hydrolat microwave preparation device - Google Patents
Industrialized essential oil and hydrolat microwave preparation device Download PDFInfo
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- CN213012728U CN213012728U CN202021829173.1U CN202021829173U CN213012728U CN 213012728 U CN213012728 U CN 213012728U CN 202021829173 U CN202021829173 U CN 202021829173U CN 213012728 U CN213012728 U CN 213012728U
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Abstract
The utility model discloses an industrialized essential oil and hydrolat microwave preparation device. The preparation device is provided with a feed inlet and a discharge outlet at two ends of a reaction cavity of the preparation device respectively, and movable baffles are arranged at the feed inlet and the discharge outlet; a raw material feeding device is arranged above the feeding hole; a material conveying device which is communicated with the feed inlet and the discharge outlet is arranged in the reaction cavity; a plurality of microwave emitting devices are arranged at the bottom and around the reaction cavity; a discharge hopper is arranged below the discharge hole; the top of the reaction cavity is provided with a gas collecting port which is communicated with a condensing device through a gas collecting pipeline; the lower end of the condensing device is connected with an essential oil hydrolat separating device, and the bottom end of the essential oil hydrolat separating device is provided with an essential oil hydrolat discharging valve; the bottom of the reaction cavity is provided with a waste liquid discharge port. The preparation device of the utility model can simultaneously prepare essential oil and hydrolat, can work intermittently or continuously, and is suitable for large-scale industrial production; no pollution, simple operation and high extraction efficiency.
Description
Technical Field
The utility model relates to an essential oil and hydrolat preparation facilities especially relate to an industrialization essential oil and hydrolat microwave preparation facilities, belong to the industrialization preparation field of essential oil and hydrolat.
Background
The essential oil is a secondary metabolite produced by plants, is volatile oily liquid extracted from roots, stems, leaves, flowers and fruits of aromatic plants or medicinal plants, and mainly comprises aliphatic compounds, sulfur-containing compounds, terpenes, derivatives and the like. Researches show that the plant essential oil has good bactericidal activity, oxidation resistance, antiproliferation, insecticidal effect, repelling effect and the like, and has wide application and development space in the fields of medicine, food, environmental protection and the like. A large amount of hydrolat is simultaneously generated in the process of extracting essential oil by water vapor, and the hydrolat is a byproduct of extracting the essential oil, generally refers to a saturated distillation stock solution separated in the process of distilling and extracting the essential oil, and contains a small amount of essential oil components and all water-soluble substances in plant bodies.
At present, methods for extracting plant essential oil are quite numerous, such as a steam distillation method, an organic solvent extraction method, a molecular distillation method, a supercritical extraction method, a microwave extraction method and the like, wherein the steam distillation method has the defects of high energy consumption, long time consumption and the like; the organic solvent extraction method has the defects of solvent residue, environmental pollution and the like; the microwave extraction method is rapid, efficient, pollution-free, safe and energy-saving. In the microwave extraction method, a plant sample tissue absorbs a large amount of energy in a microwave field, microwave energy is absorbed more in the cells due to the existence of water and other substances, and a surrounding nonpolar extractant is absorbed less, so that thermal stress is generated in the cells, and then the cells of the extracted material are cracked due to the thermal stress generated in the cells, so that target substances in the cells are directly contacted with the relatively cold extractant, thereby accelerating the transfer of the target substances from the inside of the cells to the extractant, and further strengthening the whole extraction process.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an industrialization essential oil and hydrolat microwave preparation facilities can prepare essential oil and hydrolat simultaneously, can intermittent type or continuous operation, is applicable to extensive industrial production, and it is pollution-free, easy and simple to handle, and extraction efficiency is high.
In order to achieve the above purpose, the utility model provides a technical scheme is:
an industrialized essential oil and pure dew microwave preparation device comprises a raw material feeding device, a material conveying device, a reaction cavity, a microwave transmitting device, a condensing device, an essential oil and pure dew separating device and a discharging hopper; wherein, both ends of the reaction cavity are respectively provided with a feed inlet and a discharge outlet; a raw material feeding device is arranged above the feeding hole; a material conveying device which is communicated with the feeding hole and the discharging hole is arranged in the reaction cavity; a plurality of microwave emitting devices are arranged at the bottom and around the reaction cavity; a discharge hopper is arranged below the discharge hole; the top of the reaction cavity is provided with a gas collecting port which is communicated with a condensing device through a gas collecting pipeline; the lower end of the condensing device is connected with an essential oil hydrolat separating device, and the bottom end of the essential oil hydrolat separating device is provided with an essential oil hydrolat discharging valve.
As a preferred embodiment of the present invention, the raw material feeding device comprises a solid raw material feeding hopper and a liquid feeding hopper, and a feeding control valve for controlling the feeding amount of the solid raw material and a liquid control valve for controlling the flow rate of the liquid are respectively installed at the bottom ends of the solid raw material feeding hopper and the liquid feeding hopper.
As a preferred embodiment of the present invention, the material conveying device comprises three sections of conveying belts, the three sections of conveying belts are respectively an inclined descending section, a horizontal section and an inclined ascending section, and the conveying belts are made of nylon polyester with high temperature resistance, wear resistance and flame retardancy; the surface of the conveyor belt is provided with grooves.
As a preferred embodiment of the present invention, a liquid level meter and a temperature measuring instrument are disposed inside the reaction cavity; the level meter is used for controlling the feeding amount of the extraction solvent, and the liquid control valve is closed when the extraction solvent reaches a set liquid level.
As a preferred embodiment of the present invention, a movable baffle is provided at the feed inlet and the discharge outlet, and a baffle driving device is provided at the movable baffle.
As a preferred embodiment of the present invention, the reaction chamber is provided with a transparent observation port for directly observing the reaction condition.
As a preferred embodiment of the present invention, a solvent return line is connected between the bottom of the essential oil hydrolat separation device and the gas collection line; the port of the end of the solvent return pipe connected with the gas collecting pipe is higher than the port of the end of the solvent return pipe connected with the essential oil pure dew separation device.
As a preferred embodiment of the present invention, a waste liquid discharge port is provided at the bottom of the reaction chamber.
A method for extracting and separating essential oil and hydrolat by applying the industrialized essential oil and hydrolat microwave preparation device comprises the following steps:
(a) respectively putting the solid raw material and the extraction solvent water into a solid raw material feeding hopper and a liquid feeding hopper, and respectively controlling the feeding quantity and speed of the solid raw material and the extraction solvent water through a solid feeding control valve and a liquid control valve; slowly passing the solid raw material through the reaction cavity by the material conveying device, and enabling the essential oil in the solid raw material to overflow and form a mixed solution with the extraction solvent water by the microwaves emitted by the microwave emitting device;
(b) the mixed solution is further heated and evaporated by a microwave transmitting device to form water vapor carrying essential oil, the water vapor is collected by a gas collecting port and enters a condensing device through a gas collecting pipeline to be cooled, and then the water vapor enters an essential oil pure dew separation device to be kept stand and separated into two layers, wherein the upper layer is an essential oil layer, and the lower layer is a pure dew layer;
(c) continuously refluxing the lower layer of the hydrolat to the reaction cavity through a solvent reflux pipeline;
(d) opening an essential oil hydrolat discharge valve, taking the lower layer of aqueous liquid to obtain hydrolat, and collecting the upper layer of oily liquid to obtain essential oil.
Wherein, the whole preparation process can be carried out continuously or intermittently; wherein the movable baffle is not closed when the whole preparation process is continuously carried out.
As a preferred embodiment, after the reaction is finished, the solid waste residue after the extraction of the essential oil is clamped in the groove of the conveying device and is lifted and conveyed to the discharge hopper, and the extraction solvent is still remained in the reaction cavity under the action of gravity; and if the extraction solvent needs to be discharged, discharging the extraction solvent from the reaction cavity through a waste liquid discharge port arranged at the bottom of the reaction cavity.
Compared with the prior art, the utility model discloses following technological effect has:
1. the utility model can prepare essential oil and pure dew simultaneously, can work intermittently or continuously, and is suitable for large-scale industrial production;
2. the utility model discloses it is pollution-free, easy and simple to handle, extraction efficiency is high.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a schematic view of the whole structure of the industrial essential oil and hydrolat microwave preparation device of the present invention;
description of reference numerals: 1-solid raw material feeding hopper, 2-liquid feeding hopper, 3-reaction cavity, 31-inlet, 32-outlet, 33-gas collecting port, 4-material conveying device, 41-inclined descending section of conveying belt, 42-horizontal section of conveying belt, 43-inclined ascending section of conveying belt, 5-condensing device, 6-essential oil hydrolat separating device, 7-discharging hopper, 8-solid feeding control valve, 9-liquid control valve, 10-essential oil hydrolat discharging valve, 11-gas collecting pipeline, 12-solvent backflow pipeline, 13-movable baffle, 14-baffle driving device, 15-waste liquid discharging port, 16-material, 17-microwave transmitting device and 18-liquid level.
Detailed Description
The invention will be further described with reference to specific drawings and examples, the advantages and features of which will become more apparent as the description proceeds. The drawings and examples are illustrative only and are not intended to limit the scope of the present invention in any way. It will be understood by those skilled in the art that various changes or substitutions in the details and forms of the drawings or embodiments of the present invention may be made without departing from the spirit and scope of the invention, and these changes and substitutions are intended to be included within the scope of the invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present application, it should be noted that the indication of orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the application is used, or the orientation or positional relationship which is usually understood by those skilled in the art, or the orientation or positional relationship which is usually placed when the product of the application is used, and is only for the convenience of describing the application and simplifying the description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application. In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Referring to fig. 1, the device for preparing industrial essential oil and hydrolat microwave of the present invention comprises a raw material feeding device, a material conveying device 4, a reaction cavity 3, a microwave emitting device 17, a condensing device 5, an essential oil and hydrolat separating device 6 and a discharge hopper 7, wherein a feed inlet 31 and a discharge outlet 32 are respectively arranged at two ends of the reaction cavity 3, movable baffles 13 are arranged at the feed inlet 31 and the discharge outlet 32, and baffle driving devices 14 (which can adopt cylinders or electric push rods, etc. to push and pull the movable baffles 13) are arranged on the movable baffles 13; a raw material feeding device is arranged above the feed inlet 31; a material conveying device 4 which penetrates through the feed inlet 31 and the discharge outlet 32 is arranged in the reaction cavity 3; 5-30 microwave emitting devices 17 are uniformly arranged at the bottom of the reaction cavity 3 and on two sides of the reaction cavity 3, which are not provided with the feed inlet 31 and the discharge outlet 32. The microwave transmitter 17 is a conventional technical device (e.g. 2M285 of 3KW of LG brand). A discharge hopper 7 is arranged below the discharge port 32; the top of the reaction cavity 3 is provided with a gas collecting port 33, and the gas collecting port 33 is communicated with the condensing device 5 through a gas collecting pipeline 11; the lower end of the condensing device 5 is connected with an essential oil hydrolat separating device 6, and the bottom end of the essential oil hydrolat separating device 6 is provided with an essential oil hydrolat discharging valve 10; a waste liquid discharge port 15 is provided at the bottom of the reaction chamber 3.
The raw material feeding device comprises a solid raw material feeding hopper 1 and a liquid feeding hopper 2, and a feeding control valve 8 and a liquid control valve 9 for controlling the flow of raw materials are respectively arranged at the bottom ends of the solid raw material feeding hopper 1 and the liquid feeding hopper 2.
The material conveying device 4 consists of three sections of conveying belts, namely an inclined descending section 41, a horizontal section 42 and an inclined ascending section 43, and the conveying belts are made of high-temperature-resistant, wear-resistant and flame-retardant nylon polyester (such as products of Shandong Jiaxin conveying equipment Co., Ltd.); be equipped with the recess on the surface of this conveyer belt, the solid waste card after extracting essential oil is promoted in the recess and is sent into out hopper 7 out discharge gate 32, and draws the solvent and still stay in this reaction cavity 3 by the action of gravity, can avoid extracting the energy waste that solvent repetitive heating caused when next.
A liquid level meter and a temperature measuring instrument (not shown) are arranged in the reaction cavity 3 and are respectively used for detecting the internal liquid level and the temperature change of the material; the level meter is used to control the amount of solvent fed (liquid control valve 17 is closed when the set level 18 is reached).
The reaction cavity 3 is provided with a transparent observation port for directly observing the reaction condition.
A solvent return pipeline 12 is connected between the bottom of the essential oil hydrolat separation device 6 and the gas collecting pipeline 11, and the port of the end of the solvent return pipeline 12 connected with the gas collecting pipeline 11 is higher than the port of the end of the solvent return pipeline connected with the essential oil hydrolat separation device 6.
The working process of the device is (namely the preparation method of the utility model): the method comprises the following steps:
1. extracting an essential oil solution by microwave: respectively putting the solid raw material and the extraction solvent water into a solid raw material feeding hopper 1 and a liquid feeding hopper 2 (after feeding is finished, a movable baffle 13 is closed to prevent steam leakage in the extraction process so as to ensure safety, if the extraction process is continuous work, the movable baffle 13 is not closed), and respectively controlling the feeding quantity and speed of the solid raw material and the extraction solvent through a feeding control valve 8 and a liquid control valve 9; the solid raw material passes through the reaction cavity 3 slowly through the material conveying device 4, and in the conveying process, the essential oil in the solid raw material overflows through the microwaves emitted by the microwave emitting device 17 and forms a mixed solution with the extraction solvent water; the raw material for extracting the essential oil is usually flower or leaf, and sinks after being boiled in soaking water, and the waste material is clamped by the groove on the surface of the material conveying device 2 and is output into the discharge hopper 7 through the discharge hole 32.
2. Evaporation of the essential oil solution: the mixed solution formed by the essential oil and the extraction solvent water in the reaction cavity 3 is further heated and evaporated into mixed steam by the microwave transmitting device 17; the mixed steam is conveyed to the condensing device 5 from the gas collecting port 33 through the gas collecting pipeline 11 and condensed into mixed liquid containing essential oil and pure dew; the condensed mixed liquid enters an essential oil hydrolat separation device 6.
3. Separating the essential oil hydrosol: standing the mixed liquid in an essential oil and pure dew separation device 6 for layering, wherein the essential oil is lighter in density and is positioned at the upper layer, and the lower layer is a pure dew layer; the lower layer of hydrolat continuously flows back to the reaction cavity 3 through the solvent return pipeline 12, so that the loss of the extracted solvent water is avoided; opening the essential oil hydrolat discharge valve 10 to take the lower layer of aqueous liquid as hydrolat and the upper layer of oily liquid as essential oil.
The whole preparation process can be carried out continuously or intermittently according to the production condition; wherein the movable shutter 13 is not closed when the entire production flow is continuously performed.
Of course, the present invention may have other embodiments, and those skilled in the art may make various corresponding changes and modifications according to the present invention without departing from the spirit and the essence of the present invention, and these corresponding changes and modifications should fall within the protection scope of the appended claims.
Claims (10)
1. The utility model provides an industrialization essential oil and hydrolat microwave preparation facilities which characterized in that: comprises a raw material feeding device, a material conveying device (4), a reaction cavity (3), a microwave transmitting device (17), a condensing device (5), an essential oil and pure dew separating device (6) and a discharge hopper (7); wherein, both ends of the reaction cavity (3) are respectively provided with a feed inlet (31) and a discharge outlet (32); a raw material feeding device is arranged above the feed inlet (31); a material conveying device (4) which is communicated with the feed inlet (31) and the discharge outlet (32) is arranged in the reaction cavity (3); a plurality of microwave emitting devices (17) are arranged at the bottom and around the reaction cavity (3); a discharge hopper (7) is arranged below the discharge hole (32); the top of the reaction cavity (3) is provided with an air collecting port (33), and the air collecting port (33) is communicated with the condensing device (5) through an air collecting pipeline (11); the lower end of the condensing device (5) is connected with an essential oil hydrolat separating device (6), and the bottom end of the essential oil hydrolat separating device (6) is provided with an essential oil hydrolat discharging valve (10).
2. The industrialized essential oil and hydrolat microwave preparation device of claim 1, wherein: the raw material feeding device comprises a solid raw material feeding hopper (1) and a liquid feeding hopper (2), wherein a feeding control valve (8) for controlling the feeding amount of the solid raw materials and a liquid control valve (9) for controlling the flow rate of the liquid are respectively arranged at the bottom ends of the solid raw material feeding hopper (1) and the liquid feeding hopper (2).
3. The industrialized essential oil and hydrolat microwave preparation device of claim 1, wherein: the material conveying device (4) is composed of three sections of conveying belts, wherein the three sections of conveying belts are respectively an inclined descending section (41), a horizontal section (42) and an inclined ascending section (43).
4. The apparatus for microwave preparation of industrial essential oil and hydrolat according to claim 3, wherein: and the surface of the conveying belt is provided with a groove.
5. The industrialized essential oil and hydrolat microwave preparation device of claim 1, wherein: the feed inlet (31) and the discharge outlet (32) are provided with movable baffles (13), and the movable baffles (13) are provided with baffle driving devices (14).
6. The industrialized essential oil and hydrolat microwave preparation device of claim 1, wherein: and a liquid level meter and a temperature measuring instrument are arranged in the reaction cavity (3).
7. The industrialized essential oil and hydrolat microwave preparation device of claim 1, wherein: the reaction cavity (3) is provided with a transparent observation port.
8. The industrialized essential oil and hydrolat microwave preparation device of claim 1, wherein: a solvent return pipeline (12) is connected between the bottom of the essential oil hydrolat separation device (6) and the gas collection pipeline (11).
9. The industrialized essential oil and hydrolat microwave preparation device of claim 8, wherein: the port of the end of the solvent return pipeline (12) connected with the gas collecting pipeline (11) is higher than the port of the end connected with the essential oil pure dew separation device (6).
10. The industrialized essential oil and hydrolat microwave preparation device of claim 1, wherein: a waste liquid discharge port (15) is arranged at the bottom of the reaction cavity (3).
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| CN202021829173.1U CN213012728U (en) | 2020-08-27 | 2020-08-27 | Industrialized essential oil and hydrolat microwave preparation device |
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| CN202021829173.1U CN213012728U (en) | 2020-08-27 | 2020-08-27 | Industrialized essential oil and hydrolat microwave preparation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111808683A (en) * | 2020-08-27 | 2020-10-23 | 中国农业科学院都市农业研究所 | Industrialized essential oil and hydrolat microwave preparation device and extraction method of essential oil and hydrolat |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111808683A (en) * | 2020-08-27 | 2020-10-23 | 中国农业科学院都市农业研究所 | Industrialized essential oil and hydrolat microwave preparation device and extraction method of essential oil and hydrolat |
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