CN214634169U - Supercritical CO for preparing multiple extracts2Extraction device - Google Patents
Supercritical CO for preparing multiple extracts2Extraction device Download PDFInfo
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- CN214634169U CN214634169U CN202120180252.2U CN202120180252U CN214634169U CN 214634169 U CN214634169 U CN 214634169U CN 202120180252 U CN202120180252 U CN 202120180252U CN 214634169 U CN214634169 U CN 214634169U
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Abstract
The utility model relates to a supercritical CO for preparing various extracts2The extraction device comprises a material pretreatment box with hot gas and steam supply functions, wherein the output end of the material pretreatment box is communicated with an extraction tank, and the extraction tank is connected with a device for supplying CO to the extraction tank2CO of2The output end of the extraction tank is connected with a circulation and separation tank, and the upper part of the circulation and separation tank is provided with CO2Tank phase connectionThe lower part of the circulation and separation tank is connected with an extract liquid storage tank through a pipeline, and the lower part of the extract liquid storage tank is connected with an oil-water separator through a condenser. The device is advantageous in effectively retaining the active components of the extract and maximizing the extraction efficiency. Whole device carries out on-line monitoring and automatic control through electric connection PLC automatic control panel, and design science, rational in infrastructure, the practicality is strong, has wide market prospect and good economic benefits.
Description
Technical Field
The utility model relates to a natural product extraction separation technical field, concretely relates to supercritical CO of multiple extract preparation2An extraction device.
Background
The natural product is rich in various substances beneficial to human body, such as aromatic substances, oil and ester substances, etc. The plant essential oil is an essence in plants, and aromatic substances or oil ester substances are obtained by extracting the plants serving as raw materials; the fungus essential oil is an oil ester substance obtained by extracting edible and medicinal fungi serving as raw materials, and is essence in the edible and medicinal fungi. The plant essential oil or the fungus essential oil is rich in various physiological active ingredients such as terpenes, flavonoids, polyphenols and the like, is generally considered to have good biological activity function, is also called as 'liquid gold', and has wide application prospect and practical value.
The traditional methods for obtaining the essential oil comprise a squeezing method, a distillation method, an adsorption method, an organic solvent dissolution method and the like, but the processing methods are not reasonable, the obtained components are easy to damage, the extraction yield is low, or the safety is not guaranteed.
Supercritical CO2Extraction is a preparation technique which has been gradually developed in recent years,it mainly utilizes CO in supercritical state2Strong extraction ability to extract beneficial components from natural products due to CO2No toxicity, no explosion, wide source, easy removal from the product, etc., thereby obtaining supercritical CO2Extraction is a green and environment-friendly preparation technology. The current production mode is to directly put the materials into an extraction tank and then extract the materials. However, different natural products have different textures, such as flowers, grass, seeds and other materials, some are loose, some are compact, some are fresh, some are dry, and supercritical CO is added2The extraction equipment is high in cost, the capacity of the extraction tank is very limited, and if the actual extraction yield is low, the economic cost is not cost-effective.
Disclosure of Invention
The utility model aims to provide a supercritical CO for preparing various extracts2An extraction apparatus which is advantageous in effectively retaining active ingredients of an extract and maximizing extraction efficiency.
The technical scheme of the utility model lies in: supercritical CO for preparing various extracts2The extraction device comprises a material pretreatment box with hot gas and steam supply functions, wherein the output end of the material pretreatment box is communicated with an extraction tank, and the extraction tank is connected with a device for supplying CO to the extraction tank2CO of2The output end of the extraction tank is connected with a circulation and separation tank, and the upper part of the circulation and separation tank is provided with CO2The lower part of the circulation and separation tank is connected with an extract liquor storage tank through a pipeline, the lower part of the extract liquor storage tank is connected with an oil-water separator through a condenser, and the lower part of the extraction tank is also connected with an entrainer storage tank.
Further, a heat insulation layer is arranged outside the material pretreatment box; the top of the inner cavity of the material pretreatment box is provided with a filter screen and is connected with an air outlet pipeline; the middle part of the inner cavity of the material pretreatment box is provided with porous or reticular material trays at intervals from top to bottom; the bottom of the inner cavity of the material pretreatment box is divided into an electric heating layer at the lower layer and a steam heating layer at the upper layer by a porous clapboard.
Further, an electric heater is arranged in the electric heating layer, an air input pipe communicated with the outside air is connected to the input end of the electric heater, and a filter is arranged on the air input pipe.
Further, the steam heating layer is provided with a steam disperser, and the steam disperser is communicated with an external steam pipeline or a steam generator through a steam input pipe.
Further, the material pretreatment box is provided with a box door, and a material tray which can be flexibly disassembled and assembled is arranged in the material pretreatment box.
Furthermore, the upper part of the material pretreatment tank is communicated with the lower part of an extraction tank through a pipeline provided with a valve, the upper end of the extraction tank is communicated with the upper end of a circulation and separation tank through a first pipeline provided with a filter, the lower end of the extraction tank is communicated with the lower end of the circulation and separation tank through a second pipeline provided with a filter and a valve, and the second pipeline is connected with a circulation pump in parallel.
Furthermore, an openable sealing cover is arranged at the top of the extraction tank, a heating pipe is arranged on the inner wall of the extraction tank, a hanging basket is arranged inside the extraction tank and is divided into an upper layer and a lower layer, and a detachable screen is arranged in the hanging basket.
Further, the CO is2The input end at the lower part of the storage tank is connected with CO through a peristaltic pump2Cylinder connected, CO2The output end of the lower part of the storage tank is connected with the extraction tank through a booster pump, and the input end of the lower part of the extraction tank is connected with the entrainer storage tank through a peristaltic pump.
Furthermore, a heat insulation layer is arranged outside the circulation and separation tank, and the top of the inner cavity of the circulation and separation tank is connected with a vacuum pump or an exhaust valve.
Further, the intelligent control system also comprises a control panel, and a control system is arranged in the control panel.
Compared with the prior art, the utility model has the advantages of it is following:
the device can carry out pretreatment in different modes according to different properties of materials, and then continuously reflux for cyclic extraction, so that the active ingredients of the extract are effectively reserved, and the extraction efficiency is maximized; the extraction tank is skillfully connected with the circulating and separating tank, so that the extraction yield can be improved, and one tank can be used for multiple purposes.
Whole device carries out on-line monitoring and automatic control through electric connection PLC automatic control panel, and design science, rational in infrastructure, the practicality is strong, has wide market prospect and good economic benefits.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a material pretreatment tank of the present invention;
fig. 3 is a schematic structural view of an extraction tank of the present invention;
in the figure: 10-CO2Steel cylinder, 11-peristaltic pump, 20-CO2Storage tank, 21-booster pump, 30-material pretreatment tank, 31-heat insulation layer, 31 a-filter screen, 32-material tray, 33-porous partition board, 34-electric heating layer, 35-steam heating layer, 36-electric heater, 37-air input pipe, 38-filter, 39-steam input pipe, 39 a-steam disperser, 40-entrainer storage tank, 41-peristaltic pump, 50-extraction tank, 51-first pipeline, 52-filter, 53-filter, 54-second pipeline, 55-circulating pump, 56-hanging basket, 57-heat insulation layer, 58-heating pipe, 60-circulating and separating tank, 61-return pipeline, 62-exhaust pipeline, 63-vacuum pump, 64-heat insulation layer, vacuum pump, vacuum, 70-an extract liquid storage tank, 80-a condenser and 90-an oil-water separator.
Detailed Description
In order to make the aforementioned features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below, but the present invention is not limited thereto.
Refer to fig. 1 to 3
Supercritical CO for preparing various extracts2The extraction device comprises a material pretreatment box 30 with the functions of supplying hot gas and steam, wherein the output end of the material pretreatment box is communicated with an extraction tank 50, and the extraction tank is connected with a device for supplying CO to the extraction tank2CO of2 A storage tank 20, the output end of the extraction tank is connected with a circulation and separation tank 60, and the upper part of the circulation and separation tank is provided with CO2Connected return flow of storage tankThe lower part of the circulation and separation tank is connected with an extract liquid storage tank 70 through a pipeline 61, and the lower part of the extract liquid storage tank is connected with an oil-water separator 90 through a condenser 80; the lower part of the extraction tank is also connected with an entrainer storage tank 40. The device also comprises a control system for controlling the tank bodies, the valves and the pump body.
In the embodiment, in order to better realize the material pretreatment and better supply hot gas and steam, a heat insulation layer 31 is arranged outside the material pretreatment box; the top of the inner cavity of the material pretreatment box is provided with a filter screen 31a and is connected with an air outlet pipeline; the middle part of the inner cavity of the material pretreatment box is provided with porous or reticular material trays 32 at intervals from top to bottom; the bottom of the inner cavity of the material pretreatment box is divided into an electric heating layer 34 on the lower layer and a steam heating layer 35 on the upper layer by a porous partition plate, so that the electric heating layer and the steam heating layer can be respectively and independently used.
In this embodiment, in order to heat the material pretreatment tank, an electric heater 36 is disposed in the electric heating layer, an input end of the electric heater is connected to an air input pipe 37 communicated with outside air, and a filter 38 is disposed on the air input pipe and a valve is installed on the air input pipe.
In this embodiment, the steam heating layer is provided with a steam input pipe 39 communicated with an external steam pipeline or a steam generator, and the steam input pipe is provided with a valve.
In this embodiment, in order to realize supplying steam to the material pretreatment case, the steam heating layer is provided with steam disperser 39a, the steam disperser communicates with outside steam conduit or steam generator through steam input pipe 39, be provided with the valve on the steam input pipe.
In this embodiment, in order to place the material to the material pretreatment incasement, the material pretreatment case is provided with the chamber door, is provided with the charging tray that can nimble dismouting in the material pretreatment incasement.
In this embodiment, in order to control the connection and disconnection of the material pretreatment tank and the extraction tank, the upper portion of the material pretreatment tank is communicated with the lower portion of the extraction tank through a pipeline provided with a valve.
In this embodiment, in order to communicate the extraction tank with the circulation and separation tank, the upper end of the extraction tank is communicated with the upper end of the circulation and separation tank through a first pipeline 51 provided with a filter 52, the lower end of the extraction tank is communicated with the lower end of the circulation and separation tank through a second pipeline 54 provided with a filter 53 and a valve, and the second pipeline is connected in parallel with a circulation pump 55.
In this embodiment, in order to realize the heat preservation of the extraction tank, a heat preservation layer 57 is arranged outside the extraction tank. In order to put materials or put adsorbents, an openable sealing cover is arranged at the top of the extraction tank, a heating pipe 58 is arranged on the inner wall of the extraction tank, a hanging basket 56 is arranged inside the tank body and is divided into an upper layer and a lower layer, and a detachable screen is arranged in the hanging basket.
In this example, to CO2Storage tank supplying CO2Said CO2The input end at the lower part of the storage tank is connected with CO through a peristaltic pump 112The steel cylinders 10 are connected. CO 22The output end of the lower part of the storage tank is connected with the extraction tank through a booster pump 21 so as to supply CO to the extraction tank2. A valve is arranged on the return pipeline to control CO2And (4) recovering.
In this embodiment, in order to provide the entrainer to the extraction tank, the input end of the lower portion of the extraction tank is connected to an entrainer storage tank 40 through a peristaltic pump 41, and a valve is disposed between the peristaltic pump and the entrainer storage tank.
In this embodiment, a heat insulating layer 64 is disposed outside the circulation and separation tank, and the top of the inner cavity of the circulation and separation tank is connected to an exhaust pipeline 62 provided with a vacuum pump 63 or an exhaust valve.
In this embodiment, the upper end of the extract storage tank is provided with an exhaust pipeline with a valve, and the pipeline connecting the extract storage tank and the condenser is provided with a valve.
The embodiment of the utility model provides an in, this extraction device still includes control panel, can the adjusting parameter, and control panel is inside to be equipped with control system for control whole extraction process. The control of the control system belongs to the prior art.
Specific examples of use of the device are as follows:
the first embodiment is as follows: extracting rose essential oil and hydrolat
The principle is as follows: pretreatment of raw materials, adsorption by an adsorbent, cyclic extraction, collection and separation to obtain essential oil and hydrolat.
Raw materials: roses and fresh flowers; adsorbent: activated carbon.
The process comprises the following steps: (1) pretreatment of raw materials: and uniformly paving the material subjected to impurity removal on a material tray of the material pretreatment box.
(2) Adsorbing by an adsorbent: and (3) putting an adsorbent into a hanging basket of the extraction tank, closing the hanging basket, then opening an electric heater, an air inlet valve and a valve connected with the extraction tank of the material pretreatment box, and then opening a vacuum pump connected above the circulating and separating tank until the fresh flowers wither into dry flowers. And after the extraction is finished, the vacuum pump is closed, and the electric heater, the air inlet valve and the valve connected with the extraction tank of the material front box are closed.
(3) And (3) circulating extraction: introducing CO2Introduction from the cylinder into CO2The CO is stored in the storage tank and then is pumped by the booster pump2And introducing the fluid into the extraction tank, and starting a circulating pump for extraction after the pressure in the extraction tank is reached. After extraction is finished, closing the circulating pump, opening a valve at the bottom of the extraction tank, which is connected with the circulating and separating tank, and then opening a valve at the bottom of the circulating and separating tank to allow the extract to flow into the extract storage tank; after the extract liquid is exhausted, the valve at the lower end of the circulation and separation tank is closed, and the valve at the upper end of the circulation and separation tank is opened again to allow CO to flow out2Reflux of CO2The storage tank is recycled.
(4) Collecting and separating: collecting the extract, starting a condenser, introducing the extract into the condenser, then introducing into an oil-water separator for oil-water separation, and collecting the essential oil and the hydrolat.
In the process, materials are put in a material pretreatment box, an adsorbent is put in an extraction tank, and a steam input and entrainer input system does not work.
Example two: extracting essential oil and hydrolat of kumquat flower
The principle is as follows: pretreatment of raw materials, adsorption by an adsorbent, cyclic extraction, collection and separation to obtain essential oil and hydrolat.
Raw materials: kumquat flower, fresh flower; adsorbent: macroporous resin.
The process comprises the following steps: (1) pretreatment of raw materials: and uniformly paving the material subjected to impurity removal on a material tray of the material pretreatment box.
(2) Adsorbing by an adsorbent: and (3) putting an adsorbent into a hanging basket of the extraction tank, closing the hanging basket, then opening an electric heater, an air inlet valve and a valve connected with the extraction tank of the material pretreatment box, and then opening a vacuum pump connected above the circulating and separating tank until the fresh flowers wither into dry flowers. And after the extraction is finished, the vacuum pump is closed, and the electric heater, the air inlet valve and the valve connected with the extraction tank of the material front box are closed.
(3) And (3) adsorbing again: and (3) after the process step (2) is finished, opening a steam air inlet valve connected with the material pretreatment box and a valve connected with the extraction tank, and then opening a vacuum pump connected above the circulation and separation tank for adsorption for 2-4 h. And after the extraction, closing the vacuum pump, and closing a steam inlet valve of the material front box and a valve connected with the extraction tank.
(4) And (3) circulating extraction: the same procedure as in step (3) of the first embodiment.
(5) Collecting and separating: the same procedure as in step (4) of the first embodiment.
Example three: extracting saffron crocus essential oil and hydrolat
The principle is as follows: pretreatment of raw materials, adsorption by an adsorbent, cyclic extraction, collection and separation to obtain essential oil and hydrolat.
Raw materials: saffron, fresh flowers; adsorbent: activated carbon + macroporous resin.
The process comprises the following steps: (1) pretreatment of raw materials: and uniformly paving the material subjected to impurity removal on a material tray of the material pretreatment box.
(2) Adsorbing by an adsorbent: dividing a hanging basket of an extraction tank into an upper layer and a lower layer, respectively adding active carbon and macroporous resin, sealing, then opening an electric heater of a material pretreatment box, an air inlet valve and a valve connected with the extraction tank, and then opening a vacuum pump connected above a circulating and separating tank until fresh flowers wither into dry flowers. And after the extraction is finished, the vacuum pump is closed, and the electric heater, the air inlet valve and the valve connected with the extraction tank of the material front box are closed.
(3) The same procedures as in example two were applied to (4), (5).
Example four: extracting jasmine essential oil and hydrolat
The principle is as follows: pretreatment of raw materials, adsorption by an adsorbent, cyclic extraction, collection and separation to obtain essential oil and hydrolat.
Raw materials: jasmine, dried flower; adsorbent: macroporous resin.
The process comprises the following steps: (1) pretreatment of raw materials: and uniformly paving the material subjected to impurity removal on a material tray of the material pretreatment box.
(2) Adsorbing by an adsorbent: and (3) putting an adsorbent into a hanging basket of the extraction tank, sealing, opening a steam air inlet valve connected with the material pretreatment box and a valve connected with the extraction tank, and then opening a vacuum pump connected above the circulating and separating tank to adsorb for 3-5 hours. And after the extraction, closing the vacuum pump, and closing a steam inlet valve of the material front box and a valve connected with the extraction tank.
(3) And (4) the same as the first embodiment.
In the process, materials are put in a material pretreatment box, an adsorbent is put in an extraction tank, and an air electric heating and entrainer input system does not work.
Example five: extraction of essential oil and hydrolat from dried orange peel
The principle is as follows: pretreatment of raw materials, adsorption by an adsorbent, cyclic extraction, collection and separation to obtain essential oil and hydrolat.
Raw materials: pericarpium Citri Tangerinae; adsorbent: activated carbon.
The process comprises the following steps: the same as the fourth embodiment.
Example six: extracting tea seed essential oil
The principle is as follows: pretreating raw materials, circularly extracting, collecting and separating to obtain the tea seed essential oil.
Raw materials: tea seeds.
The process comprises the following steps: (1) pretreatment of raw materials: crushing and shelling the tea seeds, and directly putting the materials into a hanging basket of an extraction tank.
(2) And (3) circulating extraction: introducing CO2Introduction from the cylinder into CO2The CO is stored in the storage tank and then is pumped by the booster pump2And introducing the fluid into the extraction tank, and starting a circulating pump for extraction after the pressure in the extraction tank is reached. After the extraction is finished, the circulating pump is closed,opening a valve at the bottom of the extraction tank, which is connected with the circulation and separation tank, and then opening the valve at the bottom of the circulation and separation tank to allow the extraction liquid to flow into the extraction liquid storage tank; after the extract liquid is exhausted, the lower valve is closed, and the upper valve is opened again to allow CO to flow out2And the mixture is refluxed to the storage tank for recycling.
(3) Collecting and separating: collecting extract, starting a condenser, introducing the extract into the condenser, then, introducing into an oil-water separator for oil-water separation, and collecting the tea seed essential oil.
In the process, materials are put into the extraction tank, and the material pretreatment tank and the entrainer input system do not work.
Supercritical CO2The tea seed essential oil product obtained by extraction has faint scent and clear and bright color, the method avoids the problems of grease oxidation, high-temperature deterioration or solvent residue and the like caused by the traditional squeezing method and other methods, and omits the subsequent complicated processes of deodorization and the like.
Example seven: extracting ganoderma spore oil
The principle is as follows: pretreating raw materials, circularly extracting, collecting and separating to obtain ganoderma lucidum spore oil.
Raw materials: ganoderma spore powder.
The process comprises the following steps: (1) pretreatment of raw materials: breaking cell wall of Ganoderma spore powder, granulating, and directly placing the material into a hanging basket of an extraction tank. (2) And (3) collecting the ganoderma lucidum spore oil in the same way as the sixth embodiment.
Supercritical CO2The extracted ganoderma spore oil has pure oil product and golden and transparent color. Because the ganoderma lucidum triterpene substance with bitter taste is rich, the ganoderma lucidum triterpene substance is slightly bitter in taste and is superior in oil.
Example eight: extracting coix seed oil and polysaccharide liquid
The principle is as follows: pretreating raw materials, introducing an entrainer, circularly extracting, collecting and separating to obtain the coix seed oil and polysaccharide liquid.
Raw materials: coix seed; entrainer: and (5) purifying the water.
The process comprises the following steps: (1) pretreatment of raw materials: crushing the coix seeds, and directly putting the materials into a hanging basket of an extraction tank.
(2) Introducing an entrainer: heating the entrainer to the same temperature as the materials in the extraction tank, setting a certain flow rate, and introducing the entrainer into the extraction tank through a peristaltic pump after the extraction is started.
(3) And (3) circulating extraction: introducing CO2Introduction from the cylinder into CO2The CO is stored in the storage tank and then is pumped by the booster pump2And introducing the fluid into the extraction tank, and starting a circulating pump for extraction after the pressure in the extraction tank is reached. After extraction is finished, closing the circulating pump, opening a valve at the bottom of the extraction tank, which is connected with the circulating and separating tank, and then opening a valve at the bottom of the circulating and separating tank to allow the extract to flow into the extract storage tank; after the extract liquid is exhausted, the valve at the lower end of the circulation and separation tank is closed, and the valve at the upper end of the circulation and separation tank is opened again to allow CO to flow out2And the mixture is refluxed to the storage tank for recycling.
(4) Collecting and separating: collecting extractive solution, starting condenser, introducing the extractive solution into the condenser, and separating oil and water in oil-water separator to obtain oleum Coicis and semen Coicis polysaccharide solution.
In the process, materials are put into the extraction tank, entrainer is input, and the material pretreatment box does not work.
The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.
Claims (10)
1. Supercritical CO for preparing various extracts2The extraction device is characterized in that: the device comprises a material pretreatment box with hot gas and steam supply functions, wherein the output end of the material pretreatment box is communicated with an extraction tank, and the extraction tank is connected with a device for supplying CO to the extraction tank2CO of2The output end of the extraction tank is connected with a circulation and separation tank, and the upper part of the circulation and separation tank is provided with CO2The lower part of the circulation and separation tank is connected with an extract liquor storage tank through a pipeline, the lower part of the extract liquor storage tank is connected with an oil-water separator through a condenser, and the lower part of the extraction tank is also connected with an entrainer storage tank.
2. Supercritical CO for the preparation of multiple extracts according to claim 12The extraction device is characterized in that: a heat insulation layer is arranged outside the material pretreatment box; the top of the inner cavity of the material pretreatment box is provided with a filter screen and is connected with an air outlet pipeline; the middle part of the inner cavity of the material pretreatment box is provided with porous or reticular material trays at intervals from top to bottom; the bottom of the inner cavity of the material pretreatment box is divided into an electric heating layer at the lower layer and a steam heating layer at the upper layer by a porous clapboard.
3. Supercritical CO for the preparation of multiple extracts according to claim 22The extraction device is characterized in that: the electric heating device is characterized in that an electric heater is arranged in the electric heating layer, an air input pipe communicated with external air is connected to the input end of the electric heater, and a filter is arranged on the air input pipe.
4. Supercritical CO for the preparation of multiple extracts according to claim 22The extraction device is characterized in that: the steam heating layer is provided with a steam disperser, and the steam disperser is communicated with an external steam pipeline or a steam generator through a steam input pipe.
5. Supercritical CO for the preparation of multiple extracts according to claim 1 or 22The extraction device is characterized in that: the material pretreatment box is provided with a box door, and a material tray which can be flexibly disassembled and assembled is arranged in the material pretreatment box.
6. Supercritical CO for the preparation of multiple extracts according to claim 12The extraction device is characterized in that: the upper part of the material pretreatment tank is communicated with the lower part of the extraction tank through a pipeline provided with a valve, the upper end of the extraction tank is communicated with the upper end of the circulation and separation tank through a first pipeline provided with a filter, the lower end of the extraction tank is communicated with the lower end of the circulation and separation tank through a second pipeline provided with a filter and a valve, and the second pipeline is connected with a circulation pump in parallel.
7. Supercritical CO for the preparation of multiple extracts according to claim 1 or 62The extraction device is characterized in that: the top of the extraction tank is provided with an openable sealing cover, the inner wall of the extraction tank is provided with a heating pipe, a hanging basket is arranged in the extraction tank and is divided into an upper layer and a lower layer, and a detachable screen is arranged in the hanging basket.
8. Supercritical CO for the preparation of multiple extracts according to claim 1 or 62The extraction device is characterized in that: the CO is2The input end at the lower part of the storage tank is connected with CO through a peristaltic pump2Cylinder connected, CO2The output end of the lower part of the storage tank is connected with the extraction tank through a booster pump, and the input end of the lower part of the extraction tank is connected with the entrainer storage tank through a peristaltic pump.
9. Supercritical CO for the preparation of multiple extracts according to claim 1 or 62The extraction device is characterized in that: and the heat-insulating layer is arranged outside the circulation and separation tank, and the top of the inner cavity of the circulation and separation tank is connected with a vacuum pump or an exhaust valve.
10. Supercritical CO for the preparation of multiple extracts according to claim 12The extraction device is characterized in that: the control system is arranged in the control panel.
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