Extraction device

Abstract

The utility model discloses an extraction device. The extraction device comprises a water supply assembly used for providing extraction water; the extraction container is connected with the water supply assembly and used for containing materials; the extraction assembly is connected with the extraction container and is used for performing extraction operation on the materials; the discharging assembly is connected with the extraction container and is used for performing discharging operation on the extraction liquid obtained after the extraction assembly performs the extraction operation; wherein the extraction assembly comprises a first extraction assembly and a second extraction assembly; the first extraction assembly is used for executing first extraction operation on the material, and the second extraction assembly is used for executing second extraction operation on the material; the first extraction operation is different from the second extraction operation. By adopting the scheme, the extraction yield can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical equipment, in particular to an extraction device. Background Art

[0002] Extraction, also known as solvent extraction or liquid-liquid extraction, is a unit operation that uses the different solubility of components in the material in the solvent to separate solid mixtures. It is widely used in chemical, metallurgical, food and other industries.

[0003] The current extraction devices have a low extraction rate when extracting materials such as tea, herbs, coffee, preserved fruits, and Chinese medicinal materials. Utility Model Content

[0004] The problem to be solved by the utility model is to improve the extraction yield.

[0005] In order to solve the above problems, the present invention provides an extraction device, which comprises:

[0006] A water supply component, used for providing water for extraction;

[0007] An extraction container, connected to the water supply assembly and used to contain materials;

[0008] An extraction component, connected to the extraction container, for performing an extraction operation on the material;

[0009] A discharging component, connected to the extraction container, for discharging the extract obtained after the extraction component performs the extraction operation;

[0010] Wherein, the extraction component includes: a first extraction component and a second extraction component; the first extraction component is used to perform a first extraction operation on the material, and the second extraction component is used to perform a second extraction operation on the material; the first extraction operation is different from the second extraction operation.

[0011] In a possible embodiment, the first extraction component is an ultrasonic extraction component.

[0012] In a possible embodiment, the extraction device further includes: a third extraction component, used to perform a third extraction operation on the material, and the third extraction operation is different from the first extraction operation and the second extraction operation.

[0013] In a possible embodiment, the second extraction component includes:

[0014] a booster pump connected to the extraction container;

[0015] a first heat exchanger connected to the booster pump;

[0016] and a buffer tank connected to the first heat exchanger.

[0017] In a possible embodiment, the third extraction component includes:

[0018] at least one condenser connected to the extraction vessel;

[0019] and a vacuum pump connected to the condenser.

[0020] In a possible embodiment, the second extraction component includes:

[0021] at least one condenser connected to the extraction vessel;

[0022] and a vacuum pump connected to the condenser.

[0023] In a possible embodiment, the third extraction component includes:

[0024] a booster pump connected to the extraction container;

[0025] a first heat exchanger connected to the booster pump;

[0026] and a buffer tank connected to the first heat exchanger.

[0027] In a possible embodiment, the at least one condenser includes:

[0028] a first condenser connected to the extraction container, used to perform a first condensation operation on the gas generated in the extraction container;

[0029] and a second condenser connected to the first condenser, for performing a second condensation operation on the gas after the first condensation operation, and for collecting the liquid obtained after the second condensation operation.

[0030] In a possible embodiment, at least one of the second extraction component and the third extraction component operates simultaneously with the first extraction component.

[0031] In a possible embodiment, the discharging component includes:

[0032] Discharge pump;

[0033] A second heat exchanger;

[0034] and a temporary storage tank for the extract;

[0035] The extract obtained after the extraction component performs the extraction operation enters the second heat exchanger for cooling after passing through the discharge pump, and the cooled extract enters the extract temporary storage barrel.

[0036] Compared with the prior art, the technical solution of the embodiment of the utility model has the following advantages:

[0037] By applying the solution of the utility model, a first extraction component and a second extraction component are provided in the same extraction device at the same time. The two sets of extraction components can perform different operations on the same material. After the material undergoes the two extraction operations, the extraction rate can be significantly improved and the extraction time is shorter. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 It is a structural schematic diagram of an extraction device in an embodiment of the utility model;

[0039] Figure 2 It is a structural schematic diagram of another extraction device in an embodiment of the utility model;

[0040] Wherein: 10-water supply component, 101-water storage tank, 102-first flow meter, 103-third heat exchanger;

[0041] 20- extraction container;

[0042] 30-extraction component, 310-first extraction component, 311-ultrasonic generator, 320-second extraction component, 321-boosting pump, 322-first heat exchanger, 323-buffer tank, 330-third extraction component, 333-vacuum pump, 331-first condenser, 332-second condenser;

[0043] 40-discharging assembly, 401-discharging pump, 402-second heat exchanger, 403-temporary storage tank for extraction liquid;

[0044] 50-Control components. DETAILED DESCRIPTION

[0045] The current extraction device has only a single extraction function, and therefore can only perform a single extraction operation on the material, which results in a low extraction rate and a long extraction time for the material by the single extraction device.

[0046] To address this problem, the utility model provides an extraction device, which includes not only a first extraction component but also a second extraction component. Different extraction operations can be performed on the same material through the two extraction components. The final extract concentration is higher, thereby improving the extraction yield and shortening the extraction time.

[0047] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.

[0048] Reference Figure 1The present invention provides an extraction device, which may include: a water supply component 10, an extraction container 20, an extraction component 30 and a discharge component 40.

[0049] The water supply component 10 is used to provide water for extraction. The extraction container 20 is connected to the water supply component 10 and is used to contain materials. The extraction component 30 is connected to the extraction container 20 and is used to perform an extraction operation on the materials. The discharge component 40 is connected to the extraction container 20 and is used to perform a discharge operation on the extract obtained after the extraction component 30 performs the extraction operation.

[0050] The extraction component 30 includes: a first extraction component 310 and a second extraction component 320; the first extraction component 310 is used to perform a first extraction operation on the material, and the second extraction component 320 is used to perform a second extraction operation on the material; the first extraction operation is different from the second extraction operation.

[0051] In a specific implementation, the first extraction operation and the second extraction operation may be performed on the material in sequence, or the first extraction operation and the second extraction operation may be performed on the material at the same time, which is not limited here. For example, the second extraction operation may be performed on the material first, and then the first extraction operation may be performed on the material. The extraction liquid obtained under the two extraction operations will have a higher extraction yield than the extraction liquid obtained under one extraction operation. Under the same extraction yield, the required extraction time will be shorter.

[0052] In some embodiments, the extraction device may further include: a third extraction component 330, the third extraction component 330 is used to perform a third extraction operation on the material, and the third extraction operation is different from the first extraction operation and the second extraction operation. For example, when the first extraction operation is an ultrasonic extraction operation, the second extraction operation may be a high-temperature and high-pressure extraction operation, and the third extraction operation may be a reduced-pressure extraction operation. Alternatively, when the first extraction operation is an ultrasonic extraction operation, the second extraction operation may be a reduced-pressure extraction operation, and the third extraction operation may be a high-temperature and high-pressure extraction operation.

[0053] In one embodiment of the present invention, referring to Figure 1 The extraction device may further include: a control component 50, which may control the operation of each component in the extraction device.

[0054] Specifically, the control component 50 can control at least one of the second extraction component 320 and the third extraction component 330 to work simultaneously with the first extraction component 310, thereby performing at least one extraction operation on the material at the same time. In this way, while performing an ultrasonic extraction operation on the material, a high-temperature and high-pressure extraction operation is performed on the material, thereby improving the extraction yield and shortening the extraction time. While performing an ultrasonic extraction operation on the material, a reduced-pressure extraction operation is performed on the material, thereby improving the extraction yield and shortening the extraction time. While performing an ultrasonic extraction operation on the material, a high-temperature and high-pressure extraction operation and a reduced-pressure extraction operation are performed on the material, thereby maximizing the extraction yield and shortening the extraction time.

[0055] Figure 2 This is a schematic diagram of the structure of an extraction device in one embodiment of the utility model. Figure 2 , the water supply assembly may include: a water storage tank 101, a first flow meter 102 and a third heat exchanger 103. Wherein:

[0056] The water storage tank 101 is used to store extraction water. The first flow meter 102 is used to monitor the flow of the extraction water in the water storage tank 101. The third heat exchanger 103 is used to perform heat exchange on the extraction water, thereby controlling the temperature of the extraction water.

[0057] Specifically, the water storage barrel 101 has a first water inlet and a first water outlet. Water can be injected into the water storage barrel 101 through the first water inlet of the water storage barrel 101. The third heat exchanger 103 has a second water inlet, and the first water outlet of the water storage barrel 101 is connected to the second water inlet of the third heat exchanger 103 through a pipeline. The first flow meter 102 is arranged on the pipeline between the water storage barrel 101 and the third heat exchanger 103.

[0058] In a specific implementation, the first flow meter 102 can be connected to the control component, so that the control component can obtain the flow rate of the extraction water flowing out of the water storage barrel 101 in real time, thereby monitoring the amount of extraction water flowing into the extraction container 20 to meet the extraction demand.

[0059] The third heat exchanger 103 also has a steam inlet, through which steam can be introduced into the third heat exchanger 103, so as to heat the extraction water flowing from the water storage barrel 101 into the third heat exchanger 103 to reach the required extraction water temperature.

[0060] The third heat exchanger 103 also has a second water outlet, and the extraction container 20 has a third water inlet. The second water outlet of the third heat exchanger 103 is connected to the third water inlet of the extraction container 20 through a pipeline, so that the extraction water after heat exchange by the third heat exchanger 103 can be provided to the extraction container 20.

[0061] In a specific implementation, the steam inlet of the third heat exchanger 103 may be provided with a steam proportional valve, which may be connected to a control component, and the control component controls the opening of the steam proportional valve to adjust the steam amount, so that the extraction water after heat exchange in the third heat exchanger 103 can reach the desired extraction temperature.

[0062] In a specific implementation, the extraction container 20 can be implemented by any container that can hold materials, that is, the raw materials to be extracted. For example, the extraction container 20 can be an extraction barrel. The extraction container 20 is usually provided with a metal filter and a stirring structure (such as a stirring rod), and the material can be placed on the metal filter. The extraction water provided by the water supply component 10 enters the extraction container 20, and the control component can control the stirring structure to stir the material so that the material is infiltrated. After the material is infiltrated, the extraction operation is performed. Among them, the filtration accuracy of the metal filter can be between 10 mesh and 200 mesh, which can be selected according to actual needs.

[0063] In a specific implementation, a temperature sensor may be provided in the extraction container 20, and the temperature sensor may be connected to the control component to detect the temperature in the extraction container 20. The control component may adjust the opening of the steam proportional valve at the steam inlet of the third heat exchanger 103 according to the detection result of the temperature sensor, so that the temperature in the extraction container 20 is maintained at a set value, thereby realizing automatic temperature control of the extraction device. For example, if the temperature in the extraction container 20 does not reach the set value, the control component may increase the opening of the steam proportional valve at the steam inlet of the third heat exchanger 103, thereby increasing the temperature in the extraction container 20.

[0064] In a specific implementation, the extraction container 20 may include: a jacket and a heat-insulating layer. The heat-insulating layer is attached to the outer wall of the extraction container to keep the extraction container 20 warm. The jacket is located inside the extraction container 20 and has a certain gap with the inner wall of the extraction container 20. Hot water or cold water can be passed into the gap to increase or decrease the temperature of the extraction container 20.

[0065] Furthermore, the extraction container 20 also has a third water outlet and a fourth water inlet, through which water can be injected into the gap between the jacket and the inner wall of the extraction container 20, and through the third water outlet, water in the gap between the jacket and the inner wall of the extraction container 20 can flow out.

[0066] In the specific implementation, refer to Figure 2 The discharging component may include: a discharging pump 401, a second heat exchanger 402 and an extract temporary storage barrel 403. The extract obtained after the extraction component performs the extraction operation enters the second heat exchanger 402 for cooling after passing through the discharging pump 401, and the cooled extract enters the extract temporary storage barrel 403.

[0067] In some embodiments, a second flow meter may be provided on the pipeline between the discharge pump 401 and the second heat exchanger 402, and the flow rate of the extract may be detected by the second flow meter. The second flow meter may be connected to the control component, and based on the second flow meter, the control component may obtain the outflow of the extract in the water storage tank 101 in real time, so that the inflow of the extraction water in the water storage tank 101 may be obtained based on the first flow meter 102, and finally the function of balanced extraction may be achieved.

[0068] In a specific implementation, in order to enable the extraction device to perform more than two extraction operations simultaneously, the extraction container 20 has a certain pressure resistance, including resistance to positive pressure and resistance to negative pressure, and the specific pressure resistance range may be within -0.95 bar to 6 bar.

[0069] In a specific implementation, the first extraction operation and the second extraction operation may be any two different extraction operations that can be performed on the material, and are not limited here.

[0070] In one embodiment of the present invention, the first extraction component may be an ultrasonic extraction component, and the ultrasonic extraction component may be used to perform an ultrasonic extraction operation on the material.

[0071] Specifically, refer to Figure 2 The first extraction component may include an ultrasonic generator 311 connected to the extraction container. The ultrasonic generator 311 may be fixed on the extraction container 20. The ultrasonic generator 311 can generate ultrasonic waves in the extraction container 20, and the cavitation effect of the ultrasonic waves can increase the movement frequency and speed of the molecules in the material, thereby achieving extraction.

[0072] In a specific implementation, the ultrasonic generator 311 may be connected to a control component, so that the control component controls the ultrasonic frequency and power of the ultrasonic generator 311. The ultrasonic frequency is usually between 20KHZ and 30KHZ, and the power of the ultrasonic generator 311 is usually between 100w and 3000w.

[0073] By using the extraction device in the embodiment of the utility model, the first extraction operation can be performed on the material alone, and the specific process steps are as follows:

[0074] 1) Place the material on the metal filter at the bottom of the extraction container, and then seal the extraction container;

[0075] 2) Add a certain amount of extraction water at 10°C to 90°C into the extraction container;

[0076] 3) controlling the stirring structure in the extraction container to start, turning on the ultrasonic generator, adjusting the ultrasonic generator to a certain power, and then starting the first extraction operation;

[0077] 4) After the extraction is completed, the extract enters the extract temporary storage tank after passing through the discharge pump and the second heat exchanger.

[0078] In a specific implementation, the second extraction component can be used to perform a high-temperature and high-pressure extraction operation or a reduced-pressure extraction operation on the material.

[0079] In some embodiments, the second extraction component performs high temperature and high pressure extraction on the material, and accordingly, the second extraction operation may include: a booster pump 321, a first heat exchanger 322, and a buffer tank 323. The booster pump 321 is connected to the extraction container 20. The first heat exchanger 322 is connected to the booster pump 321. The buffer tank 323 is connected to the first heat exchanger 322.

[0080] The third water outlet of the extraction container 20 is connected to the buffer tank 323 through a pipeline, and the water in the gap between the inner wall and the jacket of the extraction container 20 flows into the buffer tank 323 through the third water outlet. The buffer tank 323 also has a fifth water inlet, and the buffer tank 323 can be replenished with water through the fifth water inlet. The buffer tank 323 also has a fourth water outlet, and the first heat exchanger 322 also has a sixth water inlet and a sixth water outlet. The fourth water outlet of the buffer tank 323 is connected to the sixth water inlet of the first heat exchanger 322 through a pipeline, so that the water in the buffer tank 323 can flow into the first heat exchanger 322 for heat exchange. The sixth water outlet of the first heat exchanger 322 is connected to the booster pump 321, and the water after heat exchange in the first heat exchanger 322 is increased by the booster pump 321 and output to the gap between the inner wall and the jacket of the extraction container 20.

[0081] The first heat exchanger 322 may also have a steam inlet, and a steam proportional valve may be provided at the steam inlet of the first heat exchanger 322. The booster pump 321 and the steam proportional valve at the steam inlet of the first heat exchanger 322 may be connected to the control component, and the control component may adjust the opening of the steam proportional valve at the steam inlet of the first heat exchanger 322 to control the temperature of the water entering the gap between the inner wall of the extraction container 20 and the jacket, thereby adjusting the extraction temperature. For example, the temperature of the water entering the gap between the inner wall of the extraction container 20 and the jacket may be adjusted to 90°C to 100°C. The control component may also control the pressure of the booster pump 321 on the water entering the gap between the inner wall of the extraction container 20 and the jacket.

[0082] For materials that take a long time to extract using high temperature under normal pressure conditions, high temperature and high pressure extraction can reduce the extraction time and increase the extraction yield.

[0083] By using the extraction device in the embodiment of the utility model, the high temperature and high pressure extraction operation can be performed on the material alone. The specific process steps are as follows:

[0084] 1) Place the material on the metal filter at the bottom of the extraction container, and then seal the extraction container;

[0085] 2) Add a certain amount of extraction water above 90° C. into the extraction container;

[0086] 3) Controlling the stirring structure in the extraction container to start, and turning on the booster pump, after reaching the set pressure and temperature, passing hot water into the gap between the inner wall of the extraction container 20 and the jacket through the booster pump to heat the extraction container;

[0087] 4) After the extraction is completed, the extraction container is depressurized, and the extract enters the extract temporary storage tank after passing through the discharge pump and the second heat exchanger.

[0088] In some embodiments, the third extraction component is used to perform a reduced pressure extraction operation on the material. Figure 2 The third extraction component may include: at least one condenser and a vacuum pump 333. The at least one condenser is connected to the extraction container 20 and is used to condense the gas generated in the extraction container 20. The vacuum pump 333 is used to adjust the vacuum degree in the extraction container 20, change the pressure in the extraction container 20, and thus adjust the amount of gas entering the condenser.

[0089] Different from the condenser in the existing vacuum extraction operation, in the embodiment of the present utility model, the at least one condenser may include: a first condenser 331 and a second condenser 332. The second condenser 332 can not only perform the condensation operation, but also collect the liquid obtained after the condensation operation. Specifically:

[0090] The first condenser 331 is connected to the extraction container 20 and is used to perform a first condensation operation on the gas generated by the extraction operation in the extraction container;

[0091] The second condenser 332 is connected to the first condenser 331, and is used to perform a second condensation operation on the gas after the first condensation operation is performed, and to collect the liquid obtained after the second condensation operation is performed.

[0092] In a specific implementation, the first condenser 331 can be implemented by a conventional condenser, that is, a condenser without a liquid collection function. The second condenser 332 can be implemented by a condenser with a liquid collection function. For example, the second condenser 332 can be a condensation tank, which can not only perform a second condensation operation on the gas after the first condensation operation, but also has a liquid collection function. The liquid outlet of the second condenser 332 can be connected to the extraction container 20, and the condensed liquid is collected by the second condenser 332. The condensed liquid can be subsequently returned to the second condenser 332 for re-extraction, thereby reducing the loss of the extract caused by steam, further improving the extraction yield, and improving the quality of the extract.

[0093] In a specific implementation, the first condenser 331 and the second condenser 332 can also release the pressure of the extraction container after the high-temperature and high-pressure extraction operation is completed. After the gas in the extraction container passes through the first condenser 331 and the second condenser 332, it forms a liquid and is temporarily stored in the second condenser 332. The liquid temporarily stored in the second condenser 332 can be returned to the extraction container for re-extraction, thereby improving the extraction yield.

[0094] By using the extraction device in the embodiment of the utility model, the material can be subjected to a decompression extraction operation alone. The specific process steps are as follows:

[0095] 1) Place the material on the metal filter at the bottom of the extraction container, and then seal the extraction container;

[0096] 2) Add a certain amount of extraction water at a temperature of 10°C to 90°C into the extraction container;

[0097] 3) Turn on the vacuum pump to make the extraction container reach the set vacuum degree;

[0098] 4) controlling the stirring structure in the extraction container to start, and turning on the booster pump, and after reaching the set pressure and temperature, passing hot water into the gap between the inner wall of the extraction container and the jacket through the booster pump to heat the extraction container;

[0099] 5) The extraction container starts to boil after reaching the set temperature, and the reduced pressure extraction begins;

[0100] 6) The gas collected by the vacuum pump is condensed into liquid through the condenser and temporarily stored at the bottom of the second condenser;

[0101] 7) After the extraction is completed, the extract enters the extract temporary storage tank after passing through the discharge pump and the second heat exchanger.

[0102] In other embodiments, the second extraction component may be used to perform a reduced pressure extraction operation on the material. Accordingly, the second extraction component may include: at least one condenser and a vacuum pump.

[0103] In some embodiments, the at least one condenser may include: a first condenser and a second condenser. The first condenser is connected to the extraction container and is used to perform a first condensation operation on the gas generated by the extraction operation in the extraction container; the second condenser is connected to the first condenser and is used to perform a second condensation operation on the gas after the first condensation operation is performed, and to collect the liquid obtained after the second condensation operation is performed.

[0104] The specific implementation can refer to the above description of the third extraction component for performing the reduced pressure extraction operation, which will not be repeated here.

[0105] In one embodiment, the third extraction component can be used to perform a high-temperature and high-pressure extraction operation on the material. Accordingly, the third extraction component can include: a booster pump connected to the extraction container; a first heat exchanger connected to the booster pump; and a buffer tank connected to the first heat exchanger. The specific implementation can refer to the above description of the second extraction component performing a high-temperature and high-pressure extraction operation, which will not be repeated here.

[0106] In a specific implementation, the control component can control at least one of the second extraction component and the third extraction component to work simultaneously with the first extraction component.

[0107] For example, the control component can control the second extraction component to work simultaneously with the first extraction component, so that high-temperature and high-pressure extraction and ultrasonic extraction are performed on the material at the same time, that is, while controlling the booster pump to pass hot water into the gap between the jacket and the inner wall of the extraction container, the ultrasonic generator is controlled to work. Compared with performing only one extraction operation on the material, the extraction yield can be improved and the extraction time can be shortened.

[0108] For another example, the control component can control the third extraction component to work simultaneously with the first extraction component, so that reduced pressure extraction and ultrasonic extraction are performed on the material at the same time, that is, while controlling the vacuum pump to perform negative pressure extraction on the extraction container, the ultrasonic generator is controlled to work. Compared with performing only one extraction operation on the material, the extraction yield can be improved and the extraction time can be shortened.

[0109] In some embodiments, the control component may include: a programmable logic controller (PLC), a frequency converter and other electrical components, etc. The programmable logic controller may output control instructions to control the frequency converter and other electrical components, and finally control the extraction device.

[0110] In some embodiments, the extraction device may also have a touch screen, through which user instructions may be input, so that a corresponding extraction component is selected based on the user instructions to perform the extraction operation.

[0111] By adopting the solution of the utility model, the same extraction device can integrate multiple extraction components, so that the same extraction device can be used to perform multiple extraction operations on materials, realizing multiple uses of one machine. When the second extraction component and the third extraction component are integrated at the same time, the two extraction components can share the first condenser and the second condenser, thereby simplifying the structure of the extraction device and reducing the cost of the extraction device.

[0112] Although the utility model is disclosed as above, the utility model is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model. Therefore, the protection scope of the utility model shall be subject to the scope defined by the claims.

Claims

1. An extraction device, characterized in that: include: A water supply component, used for providing water for extraction; An extraction container, connected to the water supply assembly and used to contain materials; An extraction component, connected to the extraction container, for performing an extraction operation on the material; A discharging component, connected to the extraction container, for discharging the extract obtained after the extraction component performs the extraction operation; Wherein, the extraction component includes: a first extraction component and a second extraction component; the first extraction component is used to perform a first extraction operation on the material, and the second extraction component is used to perform a second extraction operation on the material; the first extraction operation is different from the second extraction operation.

2. The extraction device according to claim 1, characterized in that The first extraction component is an ultrasonic extraction component.

3. The extraction device according to claim 1, characterized in that Also includes: The third extraction component is used to perform a third extraction operation on the material, and the third extraction operation is different from the first extraction operation and the second extraction operation.

4. The extraction device according to claim 3, characterized in that The second extraction component comprises: a booster pump connected to the extraction container; a first heat exchanger connected to the booster pump; and a buffer tank connected to the first heat exchanger.

5. The extraction device according to claim 4, characterized in that The third extraction component comprises: at least one condenser connected to the extraction vessel; and a vacuum pump connected to the condenser.

6. The extraction device according to claim 3, characterized in that: The second extraction component comprises: at least one condenser connected to the extraction vessel; and a vacuum pump connected to the condenser.

7. The extraction device according to claim 6, characterized in that The third extraction assembly includes: a booster pump connected to the extraction container; a first heat exchanger connected to the booster pump; and a buffer tank connected to the first heat exchanger.

8. The extraction device according to claim 5 or 6, characterized in that: The at least one condenser comprises: a first condenser connected to the extraction container, used to perform a first condensation operation on the gas generated in the extraction container; and a second condenser connected to the first condenser, for performing a second condensation operation on the gas after the first condensation operation, and for collecting the liquid obtained after the second condensation operation.

9. The extraction device according to claim 3, characterized in that: At least one of the second extraction component and the third extraction component operates simultaneously with the first extraction component.

10. The extraction device according to claim 1, characterized in that The discharging assembly comprises: Discharge pump; A second heat exchanger; and a temporary storage tank for the extract; The extract obtained after the extraction component performs the extraction operation enters the second heat exchanger for cooling after passing through the discharge pump, and the cooled extract enters the extract temporary storage barrel.

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