CN209741101U

CN209741101U - Plant essential oil extraction device

Info

Publication number: CN209741101U
Application number: CN201920210164.5U
Authority: CN
Inventors: 黎洪利; 朱立军; 蔡利; 李秋潼; 周维; 周苗苗; 赵朋贤; 王鹏; 谢飞
Original assignee: Chongqing China Tobacco Industry Co Ltd
Current assignee: Chongqing China Tobacco Industry Co Ltd
Priority date: 2019-02-19
Filing date: 2019-02-19
Publication date: 2019-12-06
Anticipated expiration: 2029-02-19

Abstract

The utility model relates to an essential oil extraction technical field especially relates to plant essential oil extraction device, including the distiller's body, heating mechanism, condenser pipe and oil water separator, install sample dish support in the distiller's body, install the sample dish that is used for holding the distillation raw materials on the sample dish support, the sample dish is opened for the top, the drum of bottom installation screen cloth, be provided with steam outlet on the pot cover of the distiller's body, steam outlet is located sample dish oblique top, and set up with sample dish dislocation, steam outlet is sealed and peg graft and has the honeycomb duct, oil water separator's last port and the lower port intercommunication of condenser pipe, the valve is installed to oil water separator's lower extreme, oil water separator is connected with the back flow that communicates with the honeycomb duct in the top of valve. The utility model discloses a steam outlet sets up with the sample dish dislocation, avoids dripping on the sample dish from the liquid that steam outlet flows to reduce the reaction that takes place in the distillation process to a certain extent, can effectively improve the essential oil quality.

Description

Plant essential oil extraction device

Technical Field

The utility model relates to an essential oil extraction technical field especially relates to plant essential oil extraction device.

Background

The plant essential oil is a secondary metabolite with volatile aromatic odor generated in plants, consists of simple organic compounds with small molecular weight, is a volatile oily liquid substance with special odor, and is often prepared into various essences and spices for products such as food, daily chemicals, tobacco and the like due to multiple biological activities. The steam distillation method is a common plant essential oil extraction method, the technology in the aspects of flow, equipment, operation and the like is mature, the cost is low, the yield is high, the equipment and the operation are simple, and the traditional steam distillation method has three main forms: distillation in water, distillation in water and steam distillation.

at present, the distillation modes used in non-industrial mass production are mainly water distillation and water distillation, and the equipment mainly comprises a distillation still, a condenser and an oil-water separator. Distillation-reflux is generally used for distillation in water, while distillation in water is generally not used for reflux. After distillation is finished in a non-reflux mode, the volume of fractions is large, the yield of essential oil after oil-water separation is low, or an organic solvent is needed for extracting the fractions, if the organic solvent is used for extracting the fractions, the organic solvent removal process is needed, and the problem of solvent residue exists in the product; the reflux mode has the advantages that the volume of the distillate is smaller after the distillation is finished, and the yield of the essential oil is higher after the oil-water separation.

Chinese patent publication No. CN101768513B, published as 2012, 06, 13, entitled "method and extraction device for preparing tobacco flavor by separating materials and solvents", the application discloses an extraction device comprising a condenser, a volatile oil extraction separator, and a heater, wherein the middle upper part of the inner wall of the heater is provided with 2-12 layers of mesh shelves with the aperture of 10-100 meshes, the bottom of the heater is provided with a heating jacket, the heating jacket is a double-layer glass heating jacket heated by oil bath, the heating jacket is communicated with a digital display controller, an ascending pipe of the volatile oil extraction separator is provided with a heat insulation jacket, and the degree of an included angle between the ascending pipe and a collecting pipe is 30-40 degrees. Heating an extraction solvent in the extraction device to generate steam, extracting multiple layers of materials at the same time, wherein reflux liquid formed by condensation flows back from a steam outlet, just flows through a mesh shelf, and brings away partial components of the materials into the solvent, especially substances with poor volatility such as sugar, amino acid and the like, and the substances can react after being heated in water for a long time, such as oxidation of unsaturated fatty acid, terpenoid and other substances, hydrolysis of ester, Maillard reaction and the like, so that new substances are generated, and flavor and quality of essential oil are changed.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a plant extraction of essential oil device, its steam outlet and sample dish dislocation set avoid from the liquid drippage that steam outlet flows on the sample dish to reduce the reaction that takes place in the distillation process to a certain extent, can effectively improve the essential oil quality.

The utility model discloses an above-mentioned technical problem is solved to following technical means:

The plant essential oil extraction device comprises a distillation pot body, a condensation pipe, an oil-water separator and a heating mechanism for heating the distillation pot body, a sample tray bracket is arranged in the distilling pan body, the sample tray bracket divides the inside of the distilling pan body into a steam layer and a solvent layer, a sample tray for containing distillation raw materials is arranged on the sample tray bracket, the sample tray is a cylinder with an open top and a screen at the bottom, a steam outlet communicated with the interior of the distillation pot body is arranged on the pot cover of the distillation pot body, the steam outlet is positioned above the sample plate in an inclined manner, and is arranged in a staggered way with the sample tray, the steam outlet is sealed and is inserted with a flow guide pipe, the distillation pot body is communicated with the oil-water separator through the flow guide pipe, the upper port of the oil-water separator is communicated with the lower port of the condensing pipe, the lower end of the oil-water separator is provided with a valve, and the oil-water separator is connected with a return pipe communicated with the flow guide pipe above the valve.

By adopting the extraction device of the technical proposal, the method of combining water distillation and reflux is adopted to improve the yield of the essential oil, the water in the distillation kettle body is heated to evaporate to form water vapor, the water vapor goes upward to pass through the sample tray, contacting with distilled materials in the sample tray to form water vapor carrying volatile essential oil, guiding the water vapor to enter a condensing tube through a guide tube to be condensed to form liquid drops, dropping the liquid drops into an oil-water separator, layering in an oil-water separator to obtain an upper refined oil layer and a lower water layer, flowing the solution in the water layer into a guide pipe via a return pipe and flowing into the distillation pot via a steam outlet, because the steam outlet and the sample tray are arranged in a staggered way, the backflow liquid can be prevented from dropping on the materials in the sample tray, the backflow liquid is prevented from taking away partial components in the distilled materials, chemical reaction in the distillation process is reduced to a certain extent, and the obtained essential oil has better quality.

Further, the inner wall of the distillation pot body is formed with a circular ring, and the sample disc mounting rack is installed on the circular ring. Install the sample dish support through the installation ring, avoid the sample dish support to drop.

Further, the sample disc support is of a cone frustum structure, and a round hole used for clamping the sample disc is formed in the middle of the sample disc support. The sample tray support of circular cone structure is favorable to the flow collection of the backward flow liquid that falls on the conical plate to through in the catheter with the leading-in solvent layer of backward flow liquid, further avoid the backward flow liquid accumulation to flow through distillation material, further reduced the chemical reaction in the distillation process, improve the essential oil quality.

Furthermore, a liquid guide pipe is arranged at the position, close to the inner wall of the distillation pot body, of the sample plate support, and the liquid guide pipe is communicated with the solvent layer. The liquid guide pipe can guide the liquid accumulated on the sample disc support into the solvent layer for recycling, so that the reaction generated in the distillation process is further reduced.

Furthermore, a clamping ring is formed on the outer wall of the circumference of the sample disc and clamped on the circular hole. The design of snap ring can realize sample dish and sample dish the sample dish support between can dismantle and be connected, conveniently changes the sample dish.

Further, the retort body has seted up the material changing mouth in sample dish support top, it has sealing door to articulate on the material changing mouth. The material changing port is arranged to facilitate the taking out of the sample tray after the distillation is finished, and the distillation material is changed.

Further, a water level observation window is arranged below the sample tray bracket of the distillation pot body. The water level observation window is used for observing the water level so as to take water supplementing measures when water is deficient and ensure the continuous operation of the distillation process.

Further, the heating mechanism is an electromagnetic oven, an electric ceramic oven or an oil bath pan.

The utility model discloses an essential oil extraction device adopts distillation on water's mode to extract, can reduce hydrolysis's emergence to a certain extent, and the mode that adopts the backward flow is used for improving the essential oil yield to with steam outlet and sample tray dislocation set, make from the liquid of steam outlet inflow can not drip on the sample tray, avoid too much liquid to take away the partial composition in the distillation material, reduce the reaction that takes place in the distillation process to a certain extent, effectively improve the essential oil quality.

drawings

FIG. 1 is a schematic structural diagram of the plant essential oil extraction device of the present invention;

The device comprises a distillation pot body 1, a condensation pipe 2, an oil-water separator 3, a heating mechanism 4, a sample disc support 5, a steam layer 61, a solvent layer 62, an installation ring 7, a sample disc 8, a liquid guide pipe 9, a clamping ring 10, a steam outlet 11, a flow guide pipe 12, an observation window 13, a material changing port 14, a valve 15, a return pipe 16 and a sealing door 17.

Detailed Description

The invention will be described in detail with reference to the following drawings and specific embodiments:

As shown in fig. 1, the utility model discloses a plant essential oil extraction device, including the pot body 1 of distilling pan, condenser pipe 2 and oil water separator 3 to and be used for heating the heating mechanism 4 of the pot body 1 of distilling pan, heating mechanism 4 can be electromagnetism stove, electric ceramic stove or oil bath pot etc. heating device commonly used, is used for heating the inside evaporation of water formation steam of the pot body 1 of distilling pan. Integrated into one piece has installation ring 7 on the inner wall of the retort body 1, install sample dish support 5 on the installation ring 7, sample dish support 5 is divided into steam layer 61 in with the retort body 1, solvent layer 62 is two-layer, install the sample dish 8 that is used for holding the distillation raw materials on the sample dish support 5, sample dish 8 is the top and opens, the drum of bottom installation screen cloth, the screen cloth can prevent that the distillation material from spilling, the mesh number of screen cloth is selected so that can make steam pass through as the standard, preferred scope is 40-100 meshes, still integrated into one piece has snap ring 10 on the circumference outer wall of sample dish 8.

Sample dish support 5 is the circular truncated cone structure, and the round hole has been seted up at its top, and the diameter of round hole slightly is greater than the diameter of sample dish 8, conveniently wears to establish sample dish 8 in the round hole, and is seamless basically to establish on the round hole through snap ring 10 card, avoid sample dish 8 to drop. The diameter of the lower circle of the sample plate bracket 5 is the same as that of the distillation pot body 1, and water vapor is forced to pass through the sample plate 8 by being clamped on the mounting ring 7 or fixed on the mounting ring 7 through screws. The sample tray bracket 5 is provided with a liquid guide pipe 9 at a position close to the inner wall of the distillation pot body 1, and the liquid guide pipe 9 is communicated with the solvent layer 62 to guide the liquid on the sample tray bracket 5 into the solvent layer 62.

Be provided with the inside steam outlet 11 of intercommunication retort body 1 on the pot cover of retort body 1, steam outlet 11 is located sample dish 8 oblique tops, and with sample dish 8 dislocation set, avoids dripping in sample dish 8 from the liquid that steam outlet 11 flowed into. Steam outlet 11 is sealed and peg graft and have honeycomb duct 12 that is used for communicateing 1 inside of the retort body, the retort body 1 communicates with oil water separator 3 through honeycomb duct 12, the cover is equipped with the heat preservation on the honeycomb duct 12, reduce the inside and external heat exchange of honeycomb duct 12, oil water separator 3's last port and condenser pipe 2's lower port intercommunication, the last port of condenser pipe 2 seals, valve 15 is installed to oil water separator 3's lower extreme, oil water separator 3's sub-unit connection has the back flow 16 with honeycomb duct 12 intercommunication, back flow 16 is used for getting into the retort body 1 with the water reflux of oil water separator 3 lower part.

The retort body 1 is provided with a material changing port 14 above the sample plate bracket 5, and the material changing port 14 is hinged with a sealing door 17. The material changing port 14 is arranged to facilitate taking out the sample tray 8 after distillation is finished and changing the distilled materials. During the distillation process, the sealing door 17 seals the material changing port 14, so that the leakage of volatile essential oil is avoided.

A water level observation window 13 is arranged below the sample tray bracket 5 of the distillation pot body 1. The water level observation window 13 is used for observing the water level so as to take water supplementing measures when water is deficient and ensure the continuous operation of the distillation process.

In addition, the retort body 1 is installed the inlet tube in sample dish support 5 below, installs the valve on the inlet tube to at any time to the inside moisturizing of retort body 1, guarantee that the distillation lasts stably and goes on.

In the sample tray of the extraction device of this example, a mixture of 100g lavender and 100g tobacco powder was added as a distillation raw material, and after distillation for 2 hours, the yield of essential oil was calculated to be 0.90%, and the essential oil components were analyzed by GC-MS, and the relative percentage content of linalyl acetate was calculated to be 20.35%, and the relative percentage content of furfural was calculated to be 0.36%. The content of linalyl acetate is relevant with the hydrolysis of ester, and furfural content is relevant with the maillard reaction, and the light degree of taking place the reaction in the distillation process is represented to the relative percentage content of these two substances, can see from this, the utility model discloses an extraction element can effectively reduce the reaction that takes place in the distillation process, improves the essential oil quality.

Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.

Claims

1. Plant essential oil extraction device, including the retort body, condenser pipe and oil water separator to and be used for heating the heating mechanism of the retort body, its characterized in that, install sample dish support in the retort body, sample dish support divides the retort body internal into steam layer, solvent layer two-layerly, install the sample dish that is used for holding the distillation raw materials on the sample dish support, the sample dish is the drum that the top is opened, bottom installation screen cloth, be provided with the steam outlet of intercommunication retort body inside on the pot cover of the retort body, steam outlet is located sample dish oblique top, and with sample dish dislocation set, steam outlet is sealed and pegged graft and is had the honeycomb duct, the retort body passes through honeycomb duct and oil water separator intercommunication, oil water separator's upper port and condenser pipe's lower port intercommunication, oil water separator's lower extreme installs the valve, and a return pipe communicated with the guide pipe is connected above the valve of the oil-water separator.

2. a plant essential oil extraction apparatus according to claim 1, wherein the inner wall of the pot body is formed with a ring on which the sample tray mounting bracket is mounted.

3. The plant essential oil extraction device of claim 2, wherein the sample tray support is of a truncated cone structure, and a circular hole for clamping the sample tray is formed in the middle of the sample tray support.

4. A plant essential oil extraction device according to claim 3, wherein the sample tray support is provided with a liquid guide tube at a position close to the inner wall of the distillation pot body, and the liquid guide tube is communicated with the solvent layer.

5. A plant essential oil extraction device according to claim 4, wherein a snap ring is formed on the outer circumferential wall of the sample tray and is snapped on the circular hole.

6. A plant essential oil extraction device according to claim 5, wherein the distillation pot body is provided with a material changing port above the sample tray support, and a sealing door is hinged on the material changing port.

7. A plant essential oil extraction device according to claim 6, wherein the distillation pot body is provided with a water level observation window below the sample tray support.

8. A plant essential oil extraction apparatus according to any one of claims 1 to 7, wherein the heating mechanism is an induction cooker, an electric ceramic cooker or an oil bath pan.