Device and method for extracting daylily essential oil

Abstract

The invention relates to the technical field of yellow cauliflower essential oil preparation, and discloses a daylily essential oil extraction device which comprises an essential oil extraction tank, a rotary evaporator and a heating assembly, the rotary evaporator is arranged on the right side of the essential oil extraction tank, and the heating assembly is arranged on the outer surface of the essential oil extraction tank; a pulverizer is arranged on the left side of the essential oil extraction tank, a condenser is arranged on the right side of the essential oil extraction tank, and a rotary evaporator is arranged on the right side of the condenser; the heating assembly is movably mounted on the front surface of the essential oil extraction tank. According to the daylily essential oil extraction device and extraction method, the whole extraction device is integrated with a plurality of key components such as the pulverizer, the essential oil extraction tank, the condenser, the rotary evaporator and the heating assembly, one-stop treatment from raw material crushing to essential oil collection is achieved, and due to the integrated design, the operation process is simplified; and connecting parts between equipment are reduced, the energy consumption and the leakage risk are reduced, and the overall extraction efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of preparation of day lily essential oil, in particular to an extraction device and an extraction method of day lily essential oil. Background Art

[0002] As a plant with rich nutritional and medicinal value, the essential oil of daylily has attracted much attention because it contains a variety of active ingredients.

[0003] However, traditional daylily essential oil extraction methods often have problems such as low efficiency, high energy consumption, and insufficient extraction purity. Common extraction methods include direct distillation, solvent extraction, etc., but these methods are often difficult to accurately control parameters such as temperature and pressure during the processing process, resulting in unstable essential oil quality and the risk of solvent residue. Therefore, an extraction device and extraction method for daylily essential oil are proposed. Summary of the invention

[0004] 1. Technical issues to be resolved In view of the shortcomings of the prior art, the present invention provides an extraction device and an extraction method for daylily essential oil, which have the advantages of integrated processing and flexible and detachable temperature control, and solve the problems of low extraction efficiency and complex operation.

[0005] (II) Technical solution In order to achieve the above-mentioned integrated processing and flexible and detachable temperature control purpose, the present invention provides the following technical solutions: an extraction device for daylily essential oil, comprising an essential oil extraction tank, a rotary evaporator and a heating component, wherein the rotary evaporator is arranged on the right side of the essential oil extraction tank, and the outer surface of the essential oil extraction tank is provided with a heating component; A pulverizer is arranged on the left side of the essential oil extraction tank, a condenser is arranged on the right side of the essential oil extraction tank, and a rotary evaporator is arranged on the right side of the condenser; The heating component is movably installed on the front side of the essential oil extraction tank, and a sliding block connected with the essential oil extraction tank is arranged on the inner side of the heating component.

[0006] As a preferred technical solution of the present invention, a steam pipe is fixedly installed on the right side of the essential oil extraction tank, the steam pipe is arranged on the outside of the condenser, and the other end of the steam pipe is connected to the rotary evaporator.

[0007] As a preferred technical solution of the present invention, a collecting tank is fixedly installed on the left side of the top of the rotary evaporator, two outlets are provided on the right side of the rotary evaporator, the steam pipe is connected to the left side of the collecting tank, and a temperature electric control valve is fixedly installed on the outer surface of one end of the steam pipe close to the collecting tank.

[0008] As a preferred technical solution of the present invention, a vertical sliding slot is provided on the front of the essential oil extraction tank, the sliding block is slidably installed on the inner side of the sliding slot, a heat dissipation pipe is provided on the top of the heating component, a connecting piece is provided on the side of the heating component, and a locking bolt that is engaged with the recessed part of the sliding slot is provided on the left and right sides of the sliding block.

[0009] A method for extracting daylily essential oil is applied to a device for extracting daylily essential oil. The method comprises: 1) Raw material preparation and crushing; 2) Steam distillation and solvent extraction; 3) Drying and filtering; 4) Remove the solvent by rotary evaporation; 5) Collect and calculate yields.

[0010] (III) Beneficial effects Compared with the prior art, the present invention provides an extraction device and an extraction method for daylily essential oil, which have the following beneficial effects: The extraction device and method of daylily essential oil realize one-stop processing from raw material crushing to essential oil collection by integrating multiple key components such as a grinder, an essential oil extraction tank, a condenser, a rotary evaporator and a heating component into the entire extraction device. This integrated design not only simplifies the operating process, but also reduces the connecting components between equipment, reduces energy consumption and leakage risks, and improves the overall extraction efficiency.

[0011] The extraction device and method of daylily essential oil realize flexible connection and disassembly with the essential oil extraction tank through the design of sliding blocks and sliding slots. This design is not only convenient for daily maintenance and cleaning, but also allows users to adjust the heating position or replace heating components of different specifications according to specific needs to meet the extraction needs of different types or batches of daylily raw materials. At the same time, the setting of the temperature electric control valve further improves the temperature control accuracy and ensures the temperature stability during the extraction process. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the installation structure of the heating component of the present invention; Figure 3 Schematic diagram of the method of the present invention.

[0013] In the figure: 1. grinder; 2. essential oil extraction tank; 3. heating component; 4. steam pipe; 5. condenser; 6. collecting tank; 7. rotary evaporator; 8. temperature electric control valve; 9. sliding block; 10. sliding slot; 11. locking bolt; 12. heat dissipation pipe; 13. connecting parts. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0015] In the description of the present invention, it is necessary to understand that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0016] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0017] See also Figure 1-2 A device for extracting daylily essential oil comprises an essential oil extraction tank 2, a rotary evaporator 7 and a heating component 3. The rotary evaporator 7 is arranged on the right side of the essential oil extraction tank 2, and the heating component 3 is arranged on the outer surface of the essential oil extraction tank 2.

[0018] A pulverizer 1 is disposed on the left side of the essential oil extraction tank 2 , a condenser 5 is disposed on the right side of the essential oil extraction tank 2 , and a rotary evaporator 7 is disposed on the right side of the condenser 5 .

[0019] A crusher 1 is arranged on the left side of the essential oil extraction tank 2, which can directly perform preliminary crushing on the daylily raw material. This design reduces the loss of the raw material during the transmission process and improves the release efficiency of the effective ingredients in the subsequent extraction process, thereby improving the overall extraction efficiency. In this embodiment, a steam pipe 4 is fixedly installed on the right side of the essential oil extraction tank 2. The steam pipe 4 is arranged on the outside of the condenser 5. The other end of the steam pipe 4 is connected to the rotary evaporator 7. The steam pipe 4 guides the steam generated in the essential oil extraction tank 2 to the condenser 5 for cooling, and then enters the rotary evaporator 7 for further processing. This design effectively utilizes the energy of steam and improves energy utilization efficiency. At the same time, the temperature electric control valve 8 installed on the steam pipe 4 can accurately control the steam flow and temperature to ensure that the distillation process is carried out under optimal conditions, thereby improving the quality and yield of the essential oil.

[0020] In this embodiment, a collecting tank 6 is fixedly installed on the top left side of the rotary evaporator 7, two outlets are provided on the right side of the rotary evaporator 7, a steam pipe 4 is connected to the left side of the collecting tank 6, and a temperature electric control valve 8 is fixedly installed on the outer surface of one end of the steam pipe 4 close to the collecting tank 6.

[0021] It should be noted that the collection tank 6 fixedly installed on the top of the rotary evaporator 7 is convenient for collecting the purified essential oil, reducing the loss during the transfer process. The efficient evaporation capacity of the rotary evaporator 7 can quickly remove the solvent, reduce the solvent residue, and improve the purity and safety of the essential oil.

[0022] The heating component 3 is movably mounted on the front side of the essential oil extraction tank 2 , and a sliding block 9 connected to the essential oil extraction tank 2 is arranged on the inner side of the heating component 3 .

[0023] In this embodiment, a vertical sliding slot 10 is provided on the front of the essential oil extraction tank 2, and the sliding block 9 is slidably installed on the inner side of the sliding slot 10. A heat dissipation pipe 12 is provided on the top of the heating component 3, and a connecting piece 13 is provided on the side of the heating component 3. The left and right sides of the sliding block 9 are provided with a locking bolt 11 that is engaged with the recessed part of the sliding slot 10.

[0024] It should be noted that the heating component 3 is movably mounted on the front of the essential oil extraction tank 2 through a sliding block 9, and is secured with a sliding slot 10 and a locking bolt 11. This design allows the heating component to be easily adjusted in position as needed to achieve a more uniform heating effect, while facilitating maintenance and cleaning. In addition, the heat dissipation pipe 12 on the top of the heating component helps to control the temperature, prevent overheating, and improve the safety of the equipment.

[0025] See also Figure 1-3 , a method for extracting daylily essential oil, applied to a device for extracting daylily essential oil, the extraction method comprising: S1 Raw material preparation and crushing Weigh 10 kg of fresh daylily, wash it [remove the ash layer on it], wipe the surface moisture with a paper towel, and crush it with a crusher 1.

[0026] S2 Steam distillation and solvent extraction Put it into an essential oil extraction device, add 20 L of distilled water and 2.16 g of cellulase, seal it for 12 hours, heat it, and perform steam distillation. During the recovery process, add a low-boiling point solvent [ether or dichloromethane] for extraction until no yellow liquid flows out.

[0027] S3 Drying and Filtration Stop heating, collect the organic phase, and dry it with anhydrous magnesium sulfate or sodium sulfate. After 10 hours, filter out the desiccant.

[0028] S4 Rotary evaporation to remove solvent The organic solvent was removed using a rotary evaporator 7 at low temperature.

[0029] S5 collection and yield calculation 0.12 g of light yellow daylily essential oil was obtained with a yield of 0.12%. Five parallel experiments showed an average yield of 0.117%. The water content of fresh daylily was 88.97%.

[0030] The beneficial effects of the above embodiment are: By integrating multiple key components such as the grinder 1, essential oil extraction tank 2, condenser 5, rotary evaporator 7 and heating component 3 into the entire extraction device, a one-stop process from raw material crushing to essential oil collection is achieved. This integrated design not only simplifies the operating process, but also reduces the connecting components between equipment, reduces energy consumption and leakage risks, and improves the overall extraction efficiency.

[0031] Through the design of the sliding block 9 and the sliding slot 10, flexible connection and disassembly with the essential oil extraction tank 2 is achieved. This design is not only convenient for daily maintenance and cleaning, but also allows the user to adjust the heating position or replace heating components of different specifications according to specific needs to meet the extraction needs of different types or batches of daylily raw materials. At the same time, the setting of the temperature electric control valve 8 further improves the temperature control accuracy and ensures the temperature stability during the extraction process.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for extracting daylily essential oil, comprising an essential oil extraction tank (2), a rotary evaporator (7) and a heating component (3), wherein the rotary evaporator (7) is arranged on the right side of the essential oil extraction tank (2), and the heating component (3) is arranged on the outer surface of the essential oil extraction tank (2); Features: A pulverizer (1) is arranged on the left side of the essential oil extraction tank (2), a condenser (5) is arranged on the right side of the essential oil extraction tank (2), and a rotary evaporator (7) is arranged on the right side of the condenser (5); The heating component (3) is movably mounted on the front side of the essential oil extraction tank (2), and a sliding block (9) connected to the essential oil extraction tank (2) is provided on the inner side of the heating component (3).

2. The device for extracting daylily essential oil according to claim 1, characterized in that: A steam pipe (4) is fixedly mounted on the right side of the essential oil extraction tank (2); the steam pipe (4) is arranged outside the condenser (5); and the other end of the steam pipe (4) is connected to a rotary evaporator (7).

3. The device for extracting daylily essential oil according to claim 2, characterized in that: A collecting tank (6) is fixedly mounted on the left side of the top of the rotary evaporator (7), two outlets are arranged on the right side of the rotary evaporator (7), the steam pipe (4) is connected to the left side of the collecting tank (6), and a temperature electric control valve (8) is fixedly mounted on the outer surface of one end of the steam pipe (4) close to the collecting tank (6).

4. The device for extracting daylily essential oil according to claim 1, characterized in that: The front of the essential oil extraction tank (2) is provided with a vertical sliding slot (10), the sliding block (9) is slidably mounted on the inner side of the sliding slot (10), the top of the heating component (3) is provided with a heat dissipation pipe (12), the side of the heating component (3) is provided with a connecting piece (13) connected thereto, and the left and right sides of the sliding block (9) are provided with a locking bolt (11) that is engaged with the recessed part of the sliding slot (10).

5. A method for extracting daylily essential oil, applied to a device for extracting daylily essential oil as claimed in any one of claims 1 to 4, characterized in that: The extraction method comprises: 1) Raw material preparation and crushing; 2) Steam distillation and solvent extraction; 3) Drying and filtration; 4) Remove the solvent by rotary evaporation; 5) Collect and calculate yields.

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