CN113521796B - Air-lift adsorption type supercritical extraction pharmaceutical system - Google Patents
Air-lift adsorption type supercritical extraction pharmaceutical system Download PDFInfo
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- CN113521796B CN113521796B CN202110649599.1A CN202110649599A CN113521796B CN 113521796 B CN113521796 B CN 113521796B CN 202110649599 A CN202110649599 A CN 202110649599A CN 113521796 B CN113521796 B CN 113521796B
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- B01D11/02—Solvent extraction of solids
- B01D11/0203—Solvent extraction of solids with a supercritical fluid
Abstract
The invention discloses an air-lift adsorption type supercritical extraction pharmaceutical system, which belongs to the field of supercritical pharmacy, and is characterized in that when carbon dioxide is changed into gas and overflows, an air-lift adsorption type supercritical extraction pharmaceutical system floats upwards under the action of gas impact force, and a layer of multi-point intercepting net is formed below a limit screen plate, so that on one hand, the speed and the pressure of the carbon dioxide gas overflowing outwards are effectively reduced, the problem that a joint of a pipeline between a two-state separation tank and a recovery tank is not easy to fall off is effectively avoided, on the other hand, the multi-point intercepting net can effectively intercept and adsorb effective substances obtained by extraction carried in gaseous carbon dioxide, and further, the extraction rate is remarkably improved, and in the process, the carbon dioxide in a self-expansion adsorption ball is also recovered to be in a gaseous state, the volume is increased, a radial expansion rod expands and props up an outer expansion layer, and the area for intercepting and adsorbing the effective substances is effectively increased, further improving the extraction rate.
Description
Technical Field
The invention relates to the field of supercritical pharmacy, in particular to an air-lift adsorption type supercritical extraction pharmacy system.
Background
A state in which the pressure and temperature of a substance exceed its critical pressure (Pc) and critical temperature (Tc) at the same time, or a state in which the contrast pressure (P/Pc) and contrast temperature (T/Tc) of a substance are simultaneously greater than 1, is referred to as a supercritical state of the substance. Any one substance exists in three phases-gas phase, liquid phase, solid phase. The point at which the liquid and gas phases are in equilibrium is called the critical point. The temperature and pressure at the critical point are called critical temperature and critical pressure (critical temperature and critical pressure of water are 374 ℃ and 21.7MPa, respectively). The critical point of different substances requires different pressures and temperatures.
The supercritical state is a particular fluid. Near the critical point, it has great compressibility, and by increasing pressure properly, it can make its density approach that of general liquid, so that it has good property of dissolving other substances, for example, in supercritical water, it can dissolve n-alkane. On the other hand, the viscosity of the supercritical state is only 1/12 to 1/4 of the general liquid, but the diffusion coefficient of the supercritical state is 7 to 24 times larger than that of the general liquid, and the supercritical state is similar to that of the gas.
The principle of the supercritical carbon dioxide extraction separation process is that the supercritical carbon dioxide has a special dissolving effect on certain special natural products, and the relation between the dissolving capacity and the density of the supercritical carbon dioxide, namely the influence of pressure and temperature on the dissolving capacity of the supercritical carbon dioxide is utilized to carry out the supercritical carbon dioxide extraction separation process. In the supercritical state, supercritical carbon dioxide is contacted with the substance to be separated, so that the components with different polarity, boiling point and molecular weight are selectively extracted in sequence. Certainly, the extracts obtained corresponding to each pressure range cannot be single, but the conditions can be controlled to obtain the mixed components with the optimal proportion, then the supercritical fluid is changed into the common gas by the methods of decompression and temperature rise, the extracted substances are completely or basically precipitated, thereby achieving the purpose of separation and purification, so the supercritical fluid carbon dioxide extraction process is formed by combining extraction and separation
Supercritical carbon dioxide extraction is to change carbon dioxide into supercritical fluid, the supercritical fluid of carbon dioxide is used as solvent, dissolve the substance of required extraction, the carbon dioxide of supercritical fluid becomes gaseous carbon dioxide through the mode of raising the temperature and reducing the pressure, make the extract that obtains purer, therefore a lot of medicines are extracted through this mode, make the extract that obtains not contain other impurity, in this process, when carbon dioxide becomes gaseous outward overflow, because its outside impact force, the granule of partly ineffective substance that will carry easily, lead to the loss of the effective substance of extraction, make the extraction rate not high, influence the utilization ratio of medicinal material, and when gaseous carbon dioxide overflows, because huge impact force, when passing through between knockout drum and recovery tank, pipeline kneck is very easily strikeed off, influence the extraction process.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide an air-lift adsorption type supercritical extraction pharmaceutical system, which is characterized in that an air-lift adsorption ball cluster floats upwards under the action of the impact force of gas after carbon dioxide is changed into gas and overflows, and a layer of multi-point intercepting net is formed below the limiting net plate, so that on one hand, the speed and the pressure of the carbon dioxide gas overflowing outwards are effectively reduced, thereby effectively avoiding the interface of the pipeline between the two-state separation tank and the recovery tank from falling off easily, on the other hand, the multi-point intercepting net can effectively intercept and adsorb the extracted effective substances carried in the gaseous carbon dioxide, and then the extraction rate is obviously improved, in the process, the carbon dioxide in the self-expansion adsorption ball is also recovered to be in a gaseous state, the volume is increased, the radial expansion rod expands and props up the outer expansion layer, the area for intercepting and adsorbing effective substances is effectively increased, and the extraction rate is further improved.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
An air-lift adsorption type supercritical extraction pharmaceutical system comprises an extraction tank, a two-state separation tank and a recovery tank, wherein the extraction tank, the two-state separation tank and the recovery tank are connected through pipelines, the extraction tank is communicated with an external carbon dioxide gas source, the two-state separation tank comprises a tank body, a limiting screen plate is fixedly connected inside the tank body, a plurality of air-float adsorption ball strings which are uniformly distributed penetrate through the limiting screen plate in a movable manner, each air-float adsorption ball string comprises an upper moving ball, a longitudinal floating rod fixedly connected to the lower end of the upper moving ball and self-expansion adsorption balls fixedly connected to the end parts of the longitudinal floating rods, the upper moving ball is positioned above the limiting screen plate, the self-expansion adsorption balls are positioned below the limiting screen plate, and when carbon dioxide becomes gas and overflows, the air-float adsorption ball strings float under the action of gas impact force and form a layer of multi-point intercepting net below the limiting screen plate, effectively reduce carbon dioxide gas towards outside speed and the pressure that overflows on the one hand, thereby effectively avoid the kneck of pipeline between two-state knockout drum and the recovery jar difficult drop, on the other hand multiple spot interception net can effectively intercept and adsorb the effective material that the extraction that carries obtained in the gaseous state carbon dioxide, and then show and improve the extraction rate, and at this in-process, carbon dioxide resumes the gaseous state equally in the self-expanding adsorption ball, the volume increase, radial expander roll inflation and strut the outer layer that expands, effective increase is to the absorbent area of effective material's interception, further improve the extraction rate.
Furthermore, the temperature in the extraction tank is 31.2-50 ℃, and the air pressure is 7.39 MPa.
Furthermore, go up the movable ball and make for light material, make the whole gravity of last movable ball not high, become the gas back that overflows when carbon dioxide, the gas floats and inhale the ball cluster and can come up under the action of gas impact force to make a plurality of self-expanding adsorption balls can support and press at spacing otter board lower surface, can form one deck multiple spot interception net below spacing otter board, effectively reduce the speed and the pressure that carbon dioxide gas outwards spills over on the one hand, thereby effectively avoid the kneck of pipeline between two-state knockout drum and the recovery jar difficult the coming off between, on the other hand multiple spot interception net can effectively intercept and adsorb the effective material that the extraction that carries obtained in the gaseous carbon dioxide, and then show improvement extraction rate, vertical float rod is made for hard material, is convenient for the gas floats and inhales the ball cluster and when losing gas effect, can be smooth downwards in spacing otter board.
Further, the self-expansion adsorption ball comprises a connecting rope fixedly connected with the lower end of the longitudinal floating rod, an inner gas storage core connected with the connecting rope and an outer expansion layer wrapped on the outer end of the inner gas storage core, a plurality of uniformly distributed radial expansion rods are fixedly embedded in the outer expansion layer, the radial expansion rods are communicated with the inner gas storage core, carbon dioxide in the inner gas storage core is in a fluid state in the extraction process, after the temperature rise and pressure drop operation, the air floatation adsorption ball is in serial rising, meanwhile, the carbon dioxide in the air floatation adsorption ball recovers the gas state, the volume is increased, the radial expansion rods are made to expand, and therefore the outer expansion layer is opened, the area of intercepting and adsorbing effective substances carried in overflowed carbon dioxide is effectively increased, and the extraction rate is effectively improved.
Furthermore, the gas storage inner core is of a hollow hard structure, so that the change of the volume of gas inside the gas storage inner core is mainly acted on the radial expansion rod, the limit of the expanded outer layer is larger, carbon dioxide gas is filled in the gas storage inner core, the expanded outer layer is of an elastic porous reticular adsorption structure, and effective substances carried in the overflowed carbon dioxide gas can be conveniently intercepted and adsorbed, so that the extraction rate is improved
Furthermore, the carbon dioxide gas is in a compressed state, and the compression multiple is 1.5-2 times, so that the radial expansion rod can be effectively expanded to effectively open the outer expansion layer when the carbon dioxide recovers the gaseous state.
Furthermore, the radial expansion rod comprises a supporting tube fixedly connected with the outer surface of the gas storage inner core and a plurality of ellipsoid bags fixedly connected to the outer end of the supporting tube, and the supporting tube and the ellipsoid bags are communicated with each other.
Furthermore, the supporting tube is made of a hard material, the elliptical ball bag is made of an elastic material, so that expansion of the radial expansion rods is concentrated on the elliptical ball bag under the action of gas, the radial expansion effect of the radial expansion rods on the outer expansion layer is effectively improved, and the elliptical ball bag on the outermost side is fixedly connected with the end part, far away from the gas storage inner core, of the outer expansion layer.
Furthermore, go up the dynamic sphere diameter and be greater than the maximum diameter on outer bloated layer, make the space between a plurality of outer bloated layers on the multipoint interception ball screen that forms below spacing otter board less for the interception adsorption of effective substance in the gas is better, even the rope is made for flexible material, makes it be difficult for influencing the extrusion contact of outer bloated layer and spacing otter board lower surface.
Further, during extraction for pharmacy, the traditional Chinese medicine materials are dried in the sun and sliced.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme is become gaseous back that overflows when carbon dioxide, the ball cluster is inhaled to air supporting, and form one deck multiple spot interception net below spacing otter board, effectively reduce carbon dioxide gas towards outside speed and the pressure that spills over on the one hand, thereby effectively avoid the kneck of pipeline between two-state knockout drum and the recovery jar difficult coming off, the effective material that the extraction that on the other hand multiple spot interception net can effectively intercept and carry in the absorption gaseous state carbon dioxide obtained, and then show and improve the extraction rate, and at this in-process, carbon dioxide resumes the gaseous state equally in the self-expanding absorption ball, the volume increase, radial expanding rod inflation struts the outer bloated layer, effective increase is to the absorbent area of interception of effective material, further improve the extraction rate.
(2) The upper moving ball is made of light materials, so that the whole gravity of the upper moving ball is not high, when carbon dioxide is changed into gas to overflow, the gas floating ball absorbing string can float upwards under the action of gas impact force, so that a plurality of self-expansion absorbing balls can be supported on the lower surface of the limit screen plate, a layer of multi-point intercepting net can be formed below the limit screen plate, on one hand, the speed and the pressure of the carbon dioxide gas overflowing outwards are effectively reduced, the problem that the interface of a pipeline between the two-state separation tank and the recovery tank is not easy to fall off is effectively avoided, on the other hand, the multi-point intercepting net can effectively intercept and absorb effective substances obtained by extraction carried in gaseous carbon dioxide, and further, the extraction rate is remarkably improved, the longitudinal floating rod is made of hard materials, and when the gas floating ball absorbing string loses the gas effect, the gas floating ball absorbing string can smoothly go downwards in the limit screen plate.
(3) The self-expansion adsorption ball comprises a connecting rope fixedly connected with the lower end of the longitudinal floating rod, an inner gas storage core connected with the connecting rope and an outer expansion layer wrapped on the outer end of the inner gas storage core, a plurality of uniformly distributed radial expansion rods are fixedly embedded in the outer expansion layer, the radial expansion rods are communicated with the inner gas storage core, in the extraction process, carbon dioxide in the inner gas storage core is in a fluid state, after the temperature rise and pressure reduction operation, the air floatation adsorption ball is in a serial rising state, meanwhile, the carbon dioxide in the air floatation adsorption ball is recovered to be in a gaseous state, the volume of the carbon dioxide is increased, the radial expansion rods are expanded, the outer expansion layer is opened, the area of the air floatation adsorption ball for intercepting effective substances carried in the overflowing carbon dioxide is further effectively increased, and the extraction rate is further effectively improved.
(4) The gas storage inner core is of a hollow hard structure, so that the change of the volume of gas inside the gas storage inner core mainly acts on the radial expansion rods, the limit of the expanded layer is larger, carbon dioxide gas is filled in the gas storage inner core, the expanded layer is of an elastic porous reticular adsorption structure, and the effective substances carried in the overflowed carbon dioxide gas can be conveniently intercepted and adsorbed, so that the extraction rate is improved
(5) The carbon dioxide gas is in a compressed state, and the compression multiple is 1.5-2 times, so that the radial expansion rod can be effectively expanded to effectively open the outer expansion layer when the carbon dioxide recovers the gaseous state.
(6) The radial expansion rod comprises a supporting tube fixedly connected with the outer surface of the gas storage inner core and a plurality of ellipsoid bags fixedly connected to the outer end of the supporting tube, and the supporting tube and the ellipsoid bags are communicated with each other.
(7) The supporting tube is made of hard materials, the elliptical ball bag is made of elastic materials, so that under the action of gas, expansion of the radial expansion rods is concentrated on the elliptical ball bag, the radial opening effect of the radial expansion rods on the outer expansion layer is effectively improved, and the end part of the elliptical ball bag on the outermost side and the end part of the outer expansion layer, far away from the gas storage inner core, are fixedly connected.
(8) The diameter of the upper movable ball is larger than the maximum diameter of the outer expansion layer, so that gaps among the outer expansion layers on a multi-point interception ball net formed below the limiting net plate are smaller, the interception and adsorption effects on effective substances in gas are better, and the connecting rope is made of flexible materials, so that the extrusion contact between the outer expansion layer and the lower surface of the limiting net plate is not easily influenced.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic structural view of a portion of the front side of a two-state separation tank according to the present invention;
FIG. 3 is a schematic diagram of a partial front side of a two-state separation tank for recovering gas from a liquid state in the presence of carbon dioxide in accordance with the present invention;
FIG. 4 is a schematic structural diagram of an air-float suction ball cluster according to the present invention;
FIG. 5 is a schematic structural view of the self-expanding adsorbent ball of the present invention in an expanded state;
FIG. 6 is a schematic view of the unexpanded configuration of the self-expanding adsorbent ball of the present invention;
fig. 7 is a schematic view of the structure at a in fig. 6.
The reference numbers in the figures illustrate:
1 can body, 2 spacing otter boards, 31 upper movable ball, 32 longitudinal floating rod, 33 self-expanding adsorption ball, 331 gas storage inner core, 332 outer expanding layer, 333 connecting rope, 4 radial expanding rod, 41 supporting tube, 42 elliptical sacculus.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1, a gas-lift adsorption supercritical extraction pharmaceutical system includes an extraction tank, a two-state separation tank and a recovery tank, wherein the extraction tank, the two-state separation tank and the recovery tank are connected by pipelines, the extraction tank is communicated with an external carbon dioxide gas source, the temperature in the extraction tank is 31.2-50 ℃, the gas pressure is 7.39MPa, and the traditional Chinese medicine materials are dried and sliced during extraction pharmaceutical.
Referring to fig. 2, the two-state separation tank includes a tank body 1, a position-limiting screen plate 2 is fixedly connected inside the tank body 1, a plurality of air-float suction ball strings are uniformly distributed on the position-limiting screen plate 2, and referring to fig. 4, the air-float suction ball strings include an upper moving ball 31, a longitudinal floating rod 32 fixedly connected to the lower end of the upper moving ball 31, and a plurality of self-expanding suction balls 33 fixedly connected to the end portions of the longitudinal floating rod 32, the upper moving ball 31 is located above the position-limiting screen plate 2, the self-expanding suction balls 33 are located below the position-limiting screen plate 2, and the upper moving ball 31 is made of a light material, referring to fig. 3, so that the whole gravity of the upper moving ball 31 is not high, when carbon dioxide is changed into gas to overflow, the air-float suction ball strings can float up under the action force of gas impact, so that the plurality of self-expanding suction balls 33 can be pressed against the lower surface of the position-limiting screen plate 2, a layer of multi-point interception can be formed below the position-limiting screen plate 2, on one hand, the speed and pressure of the carbon dioxide gas overflow outwards can be effectively reduced, thereby effectively avoid the kneck of pipeline between two-state knockout drum and the recovery jar difficult droing, on the other hand multiple spot interception net can effectively intercept and adsorb the effective substance that the extraction that carries obtained in the gaseous state carbon dioxide, and then is showing and improves the extraction rate, and vertical float rod 32 is made for hard material, and the air supporting of being convenient for inhales the ball cluster and when losing gaseous effect, can be in spacing otter board 2 downward smoothly.
Referring to fig. 5, the self-expansion adsorption ball 33 includes a connecting rope 333 fixedly connected to the lower end of the longitudinal floating rod 32, an inner gas storage core 331 connected to the connecting rope 333, and an outer expansion layer 332 wrapped around the outer end of the inner gas storage core 331, a plurality of evenly distributed radial expansion rods 4 are fixedly embedded in the outer expansion layer 332, the radial expansion rods 4 are communicated with the inner gas storage core 331, carbon dioxide is in a compressed state and has a compression multiple of 1.5-2 times, so that the radial expansion rods 4 can be effectively expanded when the carbon dioxide is in a gas state, and the outer expansion layer 332 is effectively expanded, referring to fig. 6, during the extraction process, the carbon dioxide in the inner gas storage core 331 is also in a fluid state, referring to fig. 5, after the temperature and pressure reduction operation, the air-flotation adsorption ball rises, and simultaneously, the carbon dioxide in the inner portion of the air-flotation adsorption ball recovers a gas state, and has an increased volume, so that the radial expansion rods 4 expand, thereby expanding the outer expansion layer 332 is expanded, and further effectively increasing the area for adsorbing effective substances carried in the overflowed carbon dioxide, further effectively improving the extraction rate, the inner gas storage core 331 is of a hollow hard structure, so that the change of the volume of the gas inside the inner gas storage core is mainly acted on the radial expansion rod 4, the limit of the outer expansion layer 332 to be expanded is larger, the inner gas storage core 331 is filled with carbon dioxide gas, the outer expansion layer 332 is of an elastic porous net-shaped adsorption structure, and the effective substances carried in the overflowed carbon dioxide gas can be conveniently intercepted and adsorbed, so that the extraction rate is improved
Referring to fig. 7, the radial expansion rod 4 includes a support tube 41 fixedly connected to the outer surface of the gas storage core 331 and a plurality of elliptical balloons 42 fixedly connected to the outer end of the support tube 41, the support tube 41 and the elliptical balloons 42 are communicated with each other, the support tube 41 is made of a hard material, the elliptical balloons 42 are made of an elastic material, so that the expansion of the radial expansion rod 4 is concentrated on the elliptical balloons 42 under the action of gas, thereby effectively improving the radial expansion effect of the radial expansion rod 4 on the outer expansion layer 332, and the ellipsoidal capsule 42 at the outermost side is fixedly connected with the end part of the outer swelling layer 332 far away from the gas storage inner core 331, the diameter of the upper moving ball 31 is larger than the maximum diameter of the outer swelling layer 332, so that the gaps among the outer swelling layers 332 on the multi-point intercepting net formed below the limiting net plate 2 are smaller, the connection rope 333 is made of flexible materials, so that the extrusion contact between the outer expansion layer 332 and the lower surface of the limiting mesh plate 2 is not easily influenced.
After carbon dioxide becomes gas and overflows, the gas floating adsorption ball cluster floats up under the action of gas impact force, and form one deck multiple spot interception net below spacing otter board 2, effectively reduce speed and pressure that carbon dioxide gas spills over towards outside on the one hand, thereby effectively avoid the kneck of pipeline between two-state knockout drum and the recovery jar difficult coming off, on the other hand multiple spot interception net can effectively intercept and adsorb the effective material that the extraction that carries obtained in the gaseous state carbon dioxide, and then show and improve the extraction rate, and at this in-process, carbon dioxide resumes the gaseous state equally in the self-expanding adsorption ball 33, the volume increase, radial expander rod 4 inflation and strut outer bloated layer 332, effectively increase the absorbent area of interception to effective material, further improve the extraction rate.
As described above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a gas-lift adsorption supercritical extraction pharmacy system, includes extraction jar, two attitude knockout drums and retrieves jar, extraction jar, two attitude knockout drums and retrieve jar all through the pipe connection between two liang, the extraction jar communicates with each other its characterized in that with external carbon dioxide air supply: the two-state separation tank comprises a tank body (1), a limiting screen plate (2) is fixedly connected inside the tank body (1), a plurality of air-floated ball-sucking strings which are uniformly distributed penetrate through the limiting screen plate (2), each air-floated ball-sucking string comprises an upper moving ball (31), a longitudinal floating rod (32) fixedly connected to the lower end of the upper moving ball (31) and a plurality of self-expanding adsorption balls (33) fixedly connected to the end parts of the longitudinal floating rods (32), the upper moving ball (31) is positioned above the limiting screen plate (2), and the self-expanding adsorption balls (33) are positioned below the limiting screen plate (2);
the self-expansion adsorption ball (33) comprises a connecting rope (333) fixedly connected with the lower end part of the longitudinal floating rod (32), an inner gas storage core (331) connected with the connecting rope (333), and an outer expansion layer (332) wrapped on the outer end of the inner gas storage core (331), a plurality of uniformly distributed radial expansion rods (4) are fixedly embedded in the outer expansion layer (332), and the radial expansion rods (4) are communicated with the inner gas storage core (331);
the gas storage inner core (331) is of a hollow hard structure, and carbon dioxide gas is filled in the gas storage inner core (331);
the carbon dioxide gas is in a compressed state;
the radial expansion rod (4) comprises a supporting tube (41) fixedly connected with the outer surface of the air storage inner core (331) and a plurality of elliptical balloons (42) fixedly connected to the outer end of the supporting tube (41), and the supporting tube (41) is communicated with the elliptical balloons (42).
2. The gas-lift adsorption supercritical extraction pharmaceutical system according to claim 1, wherein: the temperature in the extraction tank is 31.2-50 ℃, and the air pressure is 7.39 MPa.
3. The gas-lift adsorption supercritical extraction pharmaceutical system according to claim 2, wherein: the upper moving ball (31) is made of light materials, and the longitudinal floating rod (32) is made of hard materials.
4. The gas-lift adsorption supercritical extraction pharmaceutical system according to claim 1, wherein: the outer swelling layer (332) is an elastic porous net-shaped adsorption structure.
5. The gas-lift adsorption supercritical extraction pharmaceutical system according to claim 1, wherein: the compression multiple of the carbon dioxide gas is 1.5-2 times.
6. The gas-lift adsorption supercritical extraction pharmaceutical system according to claim 1, wherein: the support tube (41) is made of a hard material, the elliptical balloon (42) is made of an elastic material, and the outermost elliptical balloon (42) is fixedly connected with the end part, far away from the gas storage inner core (331), of the outer expansion layer (332).
7. The gas-lift adsorption supercritical extraction pharmaceutical system according to claim 1, wherein: the diameter of the upper dynamic ball (31) is larger than the maximum diameter of the outer swelling layer (332), and the connecting rope (333) is made of flexible materials.
8. The gas-lift adsorption supercritical extraction pharmaceutical system according to claim 1, wherein: during extraction, the Chinese medicinal materials are dried in the sun and sliced.
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| CN209612260U (en) * | 2018-12-28 | 2019-11-12 | 济宁市技师学院 | A kind of Supercritical Fluid Extraction Enhanced by Ultrasonic device |
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