An ultrasonic-assisted high-efficiency extraction device for lavender flavones

Abstract

The utility model relates to the field of lavender extraction, concretely relates to a kind of high-efficiency extraction device of lavender flavone based on ultrasonic auxiliary, including extraction tank, high-speed centrifuge, temperature control module and multiple ultrasonic generators, extraction tank is located the top of high-speed centrifuge, the discharge outlet of extraction tank is connected between high-speed centrifuge feed port by solenoid valve, the discharge outlet of high-speed centrifuge is connected with the feed port of extraction tank by material circulation unit, temperature control module is fixedly installed in extraction tank, the high-efficiency extraction device of lavender flavone based on ultrasonic auxiliary, by ultrasonic transducer array, intelligent linkage's centrifugal system and accurate temperature control module, the problem of low efficiency of traditional extraction process, component destruction is seriously solved. Especially suitable for the large-scale extraction of heat-sensitive natural products.

Description

Technical Field

[0001] This utility model relates to the field of lavender extraction, specifically to a high-efficiency extraction device for lavender flavonoids based on ultrasound assistance. Background Technology

[0002] This invention relates to the field of plant active ingredient extraction technology, specifically to a high-efficiency extraction device for lavender stem and leaf flavonoids based on ultrasound assistance.

[0003] Extraction of active ingredients from medicinal and aromatic plants is a crucial step in the development and utilization of natural products. Traditional extraction methods, such as solvent extraction, steam distillation, and Soxhlet extraction, have been widely used in extracting plant active ingredients. However, these traditional methods often suffer from problems such as long extraction times, high solvent consumption, high energy consumption, low extraction efficiency, and may even lead to the degradation of heat-sensitive active ingredients. Therefore, developing efficient, energy-saving, and environmentally friendly extraction technologies has always been a research hotspot in this field.

[0004] Ultrasonic Assisted Extraction (UAE), as an emerging physical enhancement extraction technology, has attracted widespread attention in recent years. This technology utilizes the cavitation, mechanical vibration, and thermal effects generated by ultrasound in a liquid medium to significantly enhance solvent permeability and accelerate the mass transfer process of target components from the plant matrix to the solvent, thereby improving extraction efficiency, shortening extraction time, and reducing solvent consumption and extraction temperature. Studies have shown that UAE technology has been successfully applied to the extraction of active components such as flavonoids, polyphenols, alkaloids, and essential oils from various plants.

[0005] Lavender (Lavandula angustifolia), an important medicinal and aromatic plant, is rich in various bioactive chemical components in its flowers, stems, and leaves, such as aromatic essential oils, phenolic acids, coumarins, triterpenoids, and flavonoids. Lavender flavonoids, as one of its important non-volatile active components, possess significant antioxidant, anti-inflammatory, and antibacterial pharmacological activities, and have broad application prospects in the pharmaceutical, health product, and cosmetic fields.

[0006] Currently, research on the extraction of active ingredients from lavender mainly focuses on its volatile essential oil, while research on the extraction of flavonoids from lavender stems and leaves is relatively insufficient. Lavender stems and leaves are often considered waste after essential oil extraction, but they still contain a certain amount of valuable active ingredients such as flavonoids. Effective development and utilization of these components can not only improve the comprehensive utilization rate of lavender resources but also meet the requirements of green economy and sustainable development. Existing methods for extracting lavender flavonoids are still mainly based on traditional solvent extraction, which suffers from the common shortcomings of the aforementioned traditional methods. Although some studies have applied ultrasonic technology to the comprehensive extraction of total triterpenes or lavender essential oil and total flavonoids from lavender, there is still room for improvement in the efficient extraction of flavonoids specifically from lavender stems and leaves, especially in the development of specialized extraction equipment that can fully utilize the advantages of ultrasonic-assisted extraction and meet the needs of industrial production.

[0007] Therefore, it is necessary to design an ultrasonic-assisted extraction device specifically for flavonoids in lavender stems and leaves, in order to achieve efficient, rapid, and low-cost extraction of flavonoids and provide technical support for the in-depth development and high-value utilization of lavender resources. Utility Model Content

[0008] The purpose of this invention is to provide a high-efficiency extraction device for lavender flavonoids based on ultrasound assistance.

[0009] To achieve this objective, the present invention adopts the following technical solution:

[0010] A high-efficiency extraction device for lavender flavonoids based on ultrasound assistance is provided, including an extraction tank, a high-speed centrifuge, a temperature control module, and multiple ultrasonic generators. The extraction tank is located above the high-speed centrifuge. The outlet of the extraction tank is connected to the inlet of the high-speed centrifuge via a solenoid valve. The outlet of the high-speed centrifuge is connected to the inlet of the extraction tank via a material circulation unit. The temperature control module is fixedly installed inside the extraction tank and is used to regulate the temperature inside the extraction tank. Multiple ultrasonic generators are fixedly installed on the outer edge of the extraction tank and are used to transmit ultrasonic vibrations to the solution inside the extraction tank. Heating rods are inserted inside the ultrasonic generators.

[0011] Furthermore, the temperature control module includes a surrounding cooling pipe and a temperature sensor for sensing the internal temperature of the extraction tank, with the surrounding cooling pipe fixedly installed on the inner wall of the extraction tank.

[0012] Furthermore, the material circulation unit is a circulation pump, which is used to transport the solution discharged from the high-speed centrifuge to the extraction tank through pipelines.

[0013] Furthermore, the high-speed centrifuge adopts the industrial centrifuge design.

[0014] Furthermore, a receiving box is fixedly installed on the outer wall of the extraction tank and inserted into it, and the working end of the ultrasonic generator is fixedly connected to the receiving box.

[0015] Furthermore, the container is fixedly connected to the outer wall of the extraction tank via a flange plate, and a sealing gasket is clamped between the flange plate of the container and the outer wall of the extraction tank.

[0016] The beneficial effects of this invention are as follows: This ultrasonic-assisted high-efficiency extraction device for lavender flavonoids solves the problems of low efficiency and severe component damage in traditional extraction processes through an ultrasonic transducer, an intelligently linked centrifugation system, and a precise temperature control module. It is particularly suitable for the large-scale extraction of heat-sensitive natural products. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the embodiments of this utility model will be briefly introduced below.

[0018] Figure 1 This is a schematic diagram of the structural position of this utility model;

[0019] Figure 2 This is a three-dimensional structural diagram of the extraction tank;

[0020] Figure 3 This is a partial three-dimensional exploded view of the present invention;

[0021] In the diagram: 1. Ultrasonic generator; 2. Extraction tank; 3. High-speed centrifuge; 4. Temperature control module; 5. Material circulation unit; 6. Container box; 7. Sealing gasket; 8. Solenoid valve. Detailed Implementation

[0022] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0023] The accompanying drawings are for illustrative purposes only and are schematic diagrams, not actual images. They should not be construed as limiting the scope of this patent. To better illustrate the embodiments of this utility model, some parts in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product.

[0024] Reference Figures 1 to 3The device shown is a high-efficiency extraction device for lavender flavonoids based on ultrasound assistance, including an extraction tank 2, a high-speed centrifuge 3, a temperature control module 4, and multiple ultrasonic generators 1. The extraction tank 2 is located above the high-speed centrifuge 3. The outlet of the extraction tank 2 is connected to the inlet of the high-speed centrifuge 3 through a solenoid valve 8. The outlet of the high-speed centrifuge 3 is connected to the inlet of the extraction tank 2 through a material circulation unit 5. The temperature control module 4 is fixedly installed inside the extraction tank 2 and is used to regulate the temperature inside the extraction tank 2. Multiple ultrasonic generators 1 are fixedly installed on the outer edge of the extraction tank 2 and are used to transmit ultrasonic vibrations to the solution inside the extraction tank 2. A heating rod is inserted inside the ultrasonic generator 1 and is used to heat the solution inside the extraction tank 2 during extraction. When extraction is required, the lavender stems and leaves are first crushed. The crushed raw material is then mixed with 60% ethanol at a ratio of 1:15 and placed into extraction tank 2. Multiple ultrasonic generators 1 emit ultrasonic waves at a frequency of 40kHz, with an adjustable frequency range of 20kHz-100kHz. The solution is then heated to 50℃ by a heating device within extraction tank 2, allowing extraction to proceed. When the temperature sensor detects a temperature exceeding 51℃, a surrounding cooling pipe is used to cool the solution and maintain a constant temperature. The high-speed centrifuge 3 rotates at a speed of 3000rpm.

[0025] After 20 minutes of extraction in the ultrasonic generator 1, the solenoid valve 8 is opened, activating the material circulation unit 5 to transport the solution to the high-speed centrifuge 3 for separation. Once the transfer is complete, the material circulation unit 5 is shut off, and the solution separated by the high-speed centrifuge 3 is then transported back to the extraction tank 2 via the material circulation unit 5. This process is repeated every 10 minutes, with the entire extraction process taking 50 minutes.

[0026] The temperature control module 4 includes a surrounding cooling pipe and a temperature sensor for sensing the internal temperature of the extraction tank 2. The surrounding cooling pipe is fixedly installed on the inner wall of the extraction tank 2. The inlet and outlet of the surrounding cooling pipe pass through the wall of the extraction tank 2 and are connected to a cooling water circulation mechanism. The cooling water circulation mechanism is used to cool the delivered cooling water and return it to the extraction tank 2.

[0027] The material circulation unit 5 is a circulation pump used to transport the solution discharged from the high-speed centrifuge 3 to the extraction tank 2 through pipelines. After the high-speed centrifuge 3 separates the residue from the solution, the solution needs to be fed back into the extraction tank 2 for further ultrasonic extraction.

[0028] The high-speed centrifuge 3 is an industrial centrifuge. It contains a rotating filter box. As the filter box rotates, residue is retained inside, while the solution is ejected. The ejected solution is then drawn into the material circulation unit 5 and transferred back to the extraction tank 2. The ejected solution still contains residue, but these tiny particles can be continuously extracted through circulation. Larger particles remain on the inner wall of the rotating filter box in the high-speed centrifuge 3, and with each circulation, the solution washes away some of the lavender flavonoids within them.

[0029] An insertable container 6 is fixedly installed on the outer wall of the extraction tank 2, and the working end of the ultrasonic generator 1 is fixedly connected to the insertable container 6. The high-frequency vibration of the ultrasonic generator 1, and the conduction through the insertable container 6, causes the solution inside the extraction tank 2 to vibrate.

[0030] The container 6 is fixedly connected to the outer wall of the extraction tank 2 via a flange plate, and a sealing gasket 7 is clamped between the flange plate of the container 6 and the outer wall of the extraction tank 2. The sealing gasket 7 prevents the solution inside the extraction tank 2 from leaking out.

[0031] The above are merely preferred embodiments of the present invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the technical principles of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A high-efficiency extraction device for lavender flavonoids based on ultrasound assistance, characterized in that, The system includes an extraction tank (2), a high-speed centrifuge (3), a temperature control module (4), and multiple ultrasonic generators (1). The extraction tank (2) is located above the high-speed centrifuge (3). The outlet of the extraction tank (2) is connected to the inlet of the high-speed centrifuge (3) via a solenoid valve (8). The outlet of the high-speed centrifuge (3) is connected to the inlet of the extraction tank (2) via a material circulation unit (5). The temperature control module (4) is fixedly installed inside the extraction tank (2) and is used to regulate the temperature inside the extraction tank (2). Multiple ultrasonic generators (1) are fixedly installed on the outer edge of the extraction tank (2) and are used to transmit ultrasonic vibrations to the solution inside the extraction tank (2). A heating rod is inserted inside the ultrasonic generator (1).

2. The ultrasonic-assisted high-efficiency extraction device for lavender flavonoids as described in claim 1, characterized in that, The temperature control module (4) includes a surrounding cooling pipe and a temperature sensor for sensing the internal temperature of the extraction tank (2). The surrounding cooling pipe is fixedly installed on the inner wall of the extraction tank (2).

3. The ultrasonic-assisted high-efficiency extraction device for lavender flavonoids as described in claim 1, characterized in that, The material circulation unit (5) is a circulation pump. The material circulation unit (5) is used to transport the solution discharged from the high-speed centrifuge (3) to the extraction tank (2) through the pipeline.

4. The ultrasonic-assisted high-efficiency extraction device for lavender flavonoids as described in claim 1, characterized in that, The high-speed centrifuge (3) adopts an industrial centrifuge.

5. The ultrasonic-assisted high-efficiency extraction device for lavender flavonoids as described in claim 1, characterized in that, An insertable box (6) is fixedly installed on the outer wall of the extraction tank (2), and the working end of the ultrasonic generator (1) is fixedly connected to the insertable box (6).

6. The ultrasonic-assisted high-efficiency extraction device for lavender flavonoids as described in claim 5, characterized in that, The container (6) is fixedly connected to the outer wall of the extraction tank (2) via a flange plate, and a sealing gasket (7) is clamped between the flange plate of the container (6) and the outer wall of the extraction tank (2).

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