Ultrasonic-assisted extraction device for roxburgh rose polyphenol extract

Abstract

The utility model discloses an ultrasonic-assisted extraction device for a roxburgh rose polyphenol extract, which belongs to the technical field of ultrasonic extraction equipment and comprises an ultrasonic transducer arranged in a container. The ultrasonic transducer is connected with an ultrasonic generator, and an air inlet disc is arranged at the bottom of the container; a plurality of air inlet columns are arranged on the air inlet disc; positive pressure equipment is arranged at the bottom of the air inlet disc; a heat dissipation table is arranged on the periphery of the ultrasonic transducer; and an air guide column is arranged at the upper part of the heat dissipation table. In this way, the retention time of heat in the container can be greatly shortened, and the influence on the stability of the solvent is reduced to the maximum extent. Compared with a traditional liquid cooling mode, the heat transfer rate is more efficient.

Description

TECHNICAL FIELD

[0001] The utility model relates to an extraction device, concretely relates to a roxburgh rose polyphenol extract ultrasonic auxiliary extraction device belongs to the technical field of extraction equipment. BACKGROUND

[0002] Roxburgh rose polyphenol usually adopts ethanol ultrasonic extraction method, adopts ethanol solution (53% by volume), is supplemented with ultrasonic treatment, makes ultrasonic wave produce high frequency vibration when propagating in liquid, forms tiny bubble and closes in an instant, produces up to several thousand atmosphere pressure impact force, destroys cell wall and thus makes the release of effective component. However, since roxburgh rose polyphenol is heat sensitive component, and ultrasonic transducer can lead to local overheating when vibrating for a long time at high frequency, heat transfer to solvent can easily affect the stability of roxburgh rose polyphenol. Generally speaking, ultrasonic transducer can adopt circulating water cooling, oil cooling and other modes when working in conventional environment, but for the extraction of roxburgh rose polyphenol, ultrasonic transducer needs to be placed in solvent, and conventional cooling mode cannot quickly transfer heat outward, and cooling medium can still be in solvent for a long time in the circulating process, so that solvent can more easily absorb heat in medium to cause temperature rise, affecting stability. Therefore, further improvement is needed. SUMMARY

[0003] The utility model aims at overcoming the above technical insufficient, proposes a roxburgh rose polyphenol extract ultrasonic auxiliary extraction device, and the heat dissipation efficiency is high, improves solvent stability, reduces the extraction difficulty.

[0004] A roxburgh rose polyphenol extract ultrasonic auxiliary extraction device, which comprises an ultrasonic transducer arranged in a container, wherein the ultrasonic transducer is connected with an ultrasonic generator, the bottom of the container is provided with an air inlet disc, a plurality of air inlet columns are arranged on the air inlet disc, a positive pressure device is arranged at the bottom of the air inlet disc, a heat dissipation platform is arranged around the ultrasonic transducer, and a gas guide column is arranged on the upper part of the heat dissipation platform.

[0005] Further, the air inlet disc has an inner cavity, the positive pressure device is a fan, a plurality of through holes are formed in the air inlet disc, and the air inlet columns are connected with the through holes.

[0006] Further, a plurality of heat dissipation holes are formed around the ultrasonic transducer, and a heat conduction block is arranged in the heat dissipation holes.

[0007] Further, the heat dissipation platform and the heat dissipation holes are in one-to-one correspondence, the heat dissipation platform has an inner cavity, the inner cavity is open at the upper and lower sides, and the inner cavity is communicated with the heat dissipation holes.

[0008] Further, the air inlet columns are inserted into the lower side opening of the inner cavity, the gas guide column is connected to the upper side opening of the inner cavity, and the gas guide column is in one-to-one correspondence with the heat dissipation platform.

[0009] Further, the upper end of the air guide column is outside the upper part of the container; the air guide column and the air inlet column are both internally hollow.

[0010] Further, the top of the container is provided with an upper cover; the upper cover is provided with a plurality of insertion holes relative to the air guide column.

[0011] The utility model has the following beneficial effects: through setting the heat exchange table around the ultrasonic transducer, and connecting the air guide column and the air inlet column on the upper and lower sides of the heat exchange table respectively, the air inlet column is connected with the positive pressure equipment of active blowing. When the heat is generated in the ultrasonic transducer due to high-frequency vibration, the heat is transferred outward to the heat exchange table from the heat conduction block, and the high-speed airflow generated in the air inlet column is transferred upward quickly, passes through the air guide column, and is transferred to outside the container. This mode can greatly reduce the residence time of heat in the container, and maximally reduce the influence on the stability of the solvent. Compared with the traditional liquid cooling mode, the heat transfer rate is more efficient. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a structural schematic diagram of the utility model.

[0013] Fig. 2 It is a structural schematic diagram of the ultrasonic transducer.

[0014] Fig. 3 It is a structural schematic diagram of the air inlet disc.

[0015] Wherein: 1 is a container, 2 is an ultrasonic transducer, 2-1 is a heat dissipation table, 2-2 is a heat dissipation hole, 3 is an air inlet disc, 4 is an air inlet column, 5 is a positive pressure equipment, 6 is an air guide column, 7 is a heat conduction block. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0017] Reference Figs. 1-3 The application embodiment discloses an ultrasonic-assisted extraction device for roxburgh rose polyphenol extract, which comprises an ultrasonic transducer 2 arranged in a container 1; the ultrasonic transducer 2 is connected with an ultrasonic generator; the bottom of the container 1 is provided with an air inlet disc 3; a plurality of air inlet columns 4 are arranged on the air inlet disc 3; the bottom of the air inlet disc 3 is provided with a positive pressure equipment 5; heat dissipation tables 2-1 are arranged around the ultrasonic transducer 2; and air guide columns 6 are arranged on the upper part of the heat dissipation tables 2-1.

[0018] Further, the air inlet disc 3 has an inner cavity; the positive pressure device is a fan; the air inlet disc 3 is provided with a plurality of through holes; the air inlet column 4 is connected with the through holes.

[0019] Further, the ultrasonic transducer 2 is provided with a plurality of heat dissipation holes 2-2 around; the heat dissipation holes 2-2 are provided with heat conduction blocks 7.

[0020] Further, the heat dissipation platform 2-1 corresponds to the heat dissipation holes 2-2; the heat dissipation platform 2-1 has an inner cavity; the inner cavity is provided with upper and lower openings; the inner cavity is connected with the heat dissipation holes 2-2.

[0021] Further, the air inlet column 4 is inserted into the lower opening of the inner cavity; the air guide column 6 is connected to the upper opening of the inner cavity; the air guide column 6 corresponds to the heat dissipation platform 2-1.

[0022] Further, the upper end of the air guide column 6 is located outside the upper part of the container 1; the air guide column 6 and the air inlet column 4 are both hollow.

[0023] Further, the top of the container 1 is provided with an upper cover; the upper cover is provided with a plurality of insertion holes relative to the air guide column.

[0024] Working principle: when the positive pressure device 5 is started, the positive pressure airflow can be blown into the air inlet disc 3, and distributed to each air inlet column 4 in the air inlet disc 3, and moved upward to the heat dissipation platform 2-1; because the heat dissipation platform 2-1 is connected with the heat dissipation holes 2-1, the heat conduction blocks in the heat dissipation holes 2-1 will transfer heat to the inner cavity of the heat dissipation platform 2-1, and because of the upward positive pressure airflow of the air inlet column 4, the heat will be further transferred upward to the air guide column 6, and finally transferred upward to the outside of the container through the air guide column 6. By means of active air cooling, the heat is quickly taken away from the container by the positive pressure airflow, reducing the residence time, and compared with liquid cooling, the heat can be dissipated without gap.

[0025] The specific implementation mode of the above-mentioned utility model does not constitute a limitation on the protection scope of the utility model. Any various other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the utility model claim.

Claims

1. An ultrasonic-assisted extraction device for prickly pear polyphenol extract, comprising an ultrasonic transducer disposed within a container; wherein the ultrasonic transducer is connected to an ultrasonic generator, characterized in that: An air inlet plate is provided at the bottom of the container; several air inlet columns are provided on the air inlet plate; a positive pressure device is provided at the bottom of the air inlet plate; a heat dissipation platform is provided around the ultrasonic transducer; and a guide column is provided on the upper part of the heat dissipation platform.

2. The ultrasonic-assisted extraction device for prickly pear polyphenol extract according to claim 1, characterized in that: The air intake plate has an inner cavity; the positive pressure device is a fan; the air intake plate has several through holes; the air intake column is connected to the through holes.

3. The ultrasonic-assisted extraction device for prickly pear polyphenol extract according to claim 2, characterized in that: The ultrasonic transducer has heat dissipation holes around its perimeter; heat-conducting blocks are installed inside the heat dissipation holes.

4. The ultrasonic-assisted extraction device for prickly pear polyphenol extract according to claim 3, characterized in that: The heat dissipation platform corresponds one-to-one with the heat dissipation holes; the heat dissipation platform has an inner cavity; the upper and lower sides of the inner cavity are open; the inner cavity is connected to the heat dissipation holes.

5. The ultrasonic-assisted extraction device for prickly pear polyphenol extract according to claim 4, characterized in that: The air intake column is inserted into the lower opening of the inner cavity; the air guide column is connected to the upper opening of the inner cavity; the air guide column corresponds one-to-one with the heat sink.

6. The ultrasonic-assisted extraction device for prickly pear polyphenol extract according to claim 5, characterized in that: The upper end of the air guide column is located on the upper outer side of the container; both the air guide column and the air inlet column are hollow inside.

7. The ultrasonic-assisted extraction device for prickly pear polyphenol extract according to claim 6, characterized in that: The container is provided with a top cover; the top cover has several insertion holes relative to the air guide column.

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