CN210583750U - Supercritical CO2 jet wall breaking extraction device - Google Patents
Supercritical CO2 jet wall breaking extraction device Download PDFInfo
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- CN210583750U CN210583750U CN201920799408.8U CN201920799408U CN210583750U CN 210583750 U CN210583750 U CN 210583750U CN 201920799408 U CN201920799408 U CN 201920799408U CN 210583750 U CN210583750 U CN 210583750U
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Abstract
The utility model relates to a traditional chinese medicine draws technical field, provides a supercritical CO2A jet wall-breaking extraction device comprising supercritical CO2The jet flow wall-breaking extraction system comprises a booster pump, an extraction tank and a separation tank, wherein a jet flow reactor is arranged at the outlet of the booster pump, and the air inlet of the booster pump and supercritical CO are arranged2The gas outlet of the system is communicated, and the separating tank is communicated with the supercritical CO2The air inlets of the systems are communicated. The utility model provides a supercritical CO2Jet wall breaking extraction device using supercritical CO2System for continuously supplying high-temperature high-pressure supercritical CO2And further pressurizing by using a booster pump, and breaking the wall of the material in the extraction tank by using a jet flow reactorThe purity and the efficiency of extracting the traditional Chinese medicine are improved; furthermore, by increasing CO2The auxiliary heat source system can realize the integration of traditional Chinese medicine extraction heating, cooling and wall breaking extraction, thereby reducing the number of devices and further improving the efficiency of traditional Chinese medicine extraction.
Description
Technical Field
The utility model relates to a traditional chinese medicine draws technical field, more specifically relates to a supercritical CO2Efflux broken wall extraction plant.
Background
The method for extracting Chinese medicinal materials should be selected according to the characteristics of the materials, solvent properties, dosage form requirements, and production practice, and the conventional methods mainly include decocting, soaking, percolating, refluxing, and steam distilling. In recent years, relatively advanced new extraction processes have been introduced into research and development of Chinese medicine extraction, and the application of these new processes makes Chinese medicine extraction conform to the traditional Chinese medicine theory and can achieve the purpose of improving the yield and purity of effective components. The supercritical CO2 extraction technology is a rapid and high-new extraction and separation technology developed in recent years, but the extraction time of the method is too long, and the extraction efficiency needs to be further improved.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The embodiment of the utility model provides a supercritical CO2A jet flow wall breaking extraction device, which aims to solve the problem of extraction of the traditional supercritical CO2 extraction deviceThe problem of low efficiency is solved.
(II) technical scheme
In order to solve the above technical problem, an embodiment of the present invention provides a supercritical CO2Efflux broken wall extraction device includes: supercritical CO2System and jet flow wall breaking extraction system, supercritical CO2The system is used for circularly supplying high-temperature and high-pressure supercritical CO2The jet flow wall breaking extraction system comprises a booster pump, an extraction tank and a separation tank, wherein a jet flow reactor is arranged at the outlet of the booster pump;
the jet reactor, the extraction tank and the separation tank are sequentially communicated through a main pipeline, a discharge valve is arranged on the main pipeline between the extraction tank and the separation tank, and an air inlet of the booster pump is communicated with the supercritical CO2The gas outlet of the system is communicated with the supercritical CO through a gas inlet pipeline, and the separating tank is communicated with the supercritical CO2The air inlets of the system are communicated through an air outlet pipeline.
Preferably, also comprises CO2The auxiliary heat source system comprises an air inlet pipeline, an air outlet pipeline and a CO pipeline, wherein a first branch point is arranged on the air inlet pipeline, a second branch point is arranged on the air outlet pipeline, and the CO pipeline is connected with the CO pipeline2One end of the auxiliary heat source system is communicated with the first branch point through a branch pipeline, and the CO is2The other end of the auxiliary heat source system is communicated with the second branch point through another branch pipeline.
Preferably, the first branch point with between the booster pump be provided with the admission valve on the admission line, the second branch point with between the knockout drum be provided with the air outlet valve on the gas outlet pipe, CO2And a branch air inlet valve is arranged on the branch pipeline between the auxiliary heat source system and the first branch point.
Preferably, the CO is2The auxiliary heat source system comprises a gas cooler, a drying filter and a throttle valve, wherein the gas cooler is communicated with the drying filter, the branch air inlet valve is positioned on a connecting pipeline between the gas cooler and the first branch point, and the throttle valve is arranged on the connecting pipeline between the drying filter and the second branch point.
Preferably, the CO is2The auxiliary heat source system further comprises an evaporator, the evaporator is arranged on the connecting pipeline between the throttling valve and the second branch point, the air outlet end of the evaporator is communicated with the second branch point, and the air inlet end of the evaporator is communicated with the throttling valve.
Preferably, the supercritical CO2The system comprises a gas-liquid separator, a compressor and an oil-gas separator which are sequentially arranged, wherein an outlet of the gas-liquid separator is communicated with an inlet of the compressor, and an outlet of the compressor is communicated with an inlet of the oil-gas separator through a conveying pipeline;
the delivery pipeline between the outlet of the compressor and the inlet of the oil-gas separator is provided with a check valve, the outlet of the oil-gas separator is communicated with the gas inlet pipeline, and the inlet of the gas-liquid separator is communicated with the gas outlet pipeline.
Preferably, the inside of knockout drum is provided with filters, filter will the knockout drum is separated for upper portion and lower part, the extraction jar passes through the trunk line with the lower part intercommunication of knockout drum, the pipeline of giving vent to anger is connected the upper portion of knockout drum, the upper portion of knockout drum still is provided with the relief valve.
Preferably, a feeding part is arranged at the upper part of the extraction tank, the feeding part comprises a feeding hopper and a feeding valve, and the feeding valve is arranged on a connecting pipeline between the feeding hopper and the extraction tank; the lower part of the separation tank is provided with a discharge hole, and a discharge valve is arranged at the discharge hole.
(III) advantageous effects
The embodiment of the utility model provides a supercritical CO2Jet wall breaking extraction device using supercritical CO2The system carries out high-temperature high-pressure supercritical CO on the jet flow wall breaking extraction system2The continuous supply of the extraction system is realized, and the booster pump and the jet flow reactor in the jet flow wall breaking extraction system are utilized for further boosting, so that ultrahigh-pressure jet flow wall breaking extraction is realized on the materials in the extraction tank, and the purity and the efficiency of traditional Chinese medicine extraction are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 shows supercritical CO according to an embodiment of the present invention2The structure schematic diagram of the jet flow wall breaking extraction device;
in the figure: i, a jet flow wall breaking extraction system; II, supercritical CO2A system; III, CO2An auxiliary heat source system; 1. a separation tank; 2. a pressure relief valve; 3. a discharge valve; 4. a hopper; 5. a feed valve; 6. an extraction tank; 7. a booster pump; 8. an air outlet valve; 9. an intake valve; 10. an evaporator; 11. a throttle valve; 12. drying the filter; 13. a branch intake valve; 14. a compressor; 15. a gas cooler; 16. a gas-liquid separator; 17. a check valve; 18. an oil-gas separator; 19. a jet reactor; 20. a discharge valve; 21. a first branch point; 22. a second branch point; 23. an air intake line; 24. an air outlet pipeline; 25. and (4) a filter element.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the communication may be direct, indirect via an intermediate medium, or internal to both elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in FIG. 1, the embodiment of the present invention provides a supercritical CO2Efflux broken wall extraction device includes: jet wall breaking extraction system I and supercritical CO2And (5) a system II. Wherein, supercritical CO2System II as CO2A source mainly used for circularly supplying high-temperature and high-pressure supercritical CO to a jet flow wall breaking extraction system2。
Efflux broken wall extraction system I specifically includes: supercritical CO at high temperature and high pressure2The flow direction of the gas separation device is sequentially provided with a booster pump 7, an extraction tank 6 and a separation tank 1, a jet flow reactor 19 is arranged at the outlet position of the booster pump 7, the booster pump 7 adopts an ultrahigh pressure pneumatic pump, the jet flow reactor 19 utilizes a nozzle to enable liquid or gas to be high-speed jet flow, and high-temperature high-pressure supercritical CO is further added2The injection pressure of the extraction tank 6 to realize the wall breaking extraction of the materials in the extraction tank 6.
In the above embodiment, the jet reactor 19, the extraction tank 6 and the separation tank 1 are sequentially communicated through the main pipeline, and the air inlet of the booster pump 7 is connected with the supercritical CO2The air outlets of the system II are communicated through an air inlet pipeline 23, and the separating tank 6 is communicated with the supercritical CO2The inlets of system II are connected by outlet pipe 24 to form a finished CO2A circulation loop. Wherein, the upper part of the extraction tank 6 is provided with a feeding part which is used for adding traditional Chinese medicine materials into the extraction tank 6. The feeding part comprises a feeding hopper 4 and a feeding valve 5, and the feeding valve 5 is arranged on a connecting pipeline between the feeding hopper 4 and the extraction tank 6. The lower part of the separating tank 1 is provided with a discharge port, the discharge port is provided with a discharge valve 20, and the discharge valve 20 controls the outflow of the extracted and separated materials.
In addition, be provided with discharge valve 3 on the trunk line between extraction jar 6 and knockout drum 1, discharge valve 3 is just opened after the broken wall extraction is accomplished to the material in extraction jar 6 to guarantee that extraction jar 6 is inside to be in the superhigh pressure state.
Based on the above embodiment, the supercritical CO2The jet flow wall-breaking extraction device also comprises CO2In the auxiliary heat source system iii, the air inlet pipeline 23 is provided with a first branch point 21, the air outlet pipeline 24 is provided with a second branch point 22, and the first branch point 21 and the second branch point 22 can be understood as being similar to a three-way valve structure. CO22One end of the auxiliary heat source system III is communicated with the first branch point 21 through a branch pipeline, and CO is2The other end of the auxiliary heat source system III is also communicated with the second branch point through a branch pipeline, so that the supercritical CO is treated2High-temperature high-pressure supercritical CO provided by system II2Supplying a portion of CO2An auxiliary heat source system III for breaking the wall of the Chinese medicinal materials and extracting CO2The auxiliary heat source system III absorbs or releases heat, so that heat or cold requirements are provided for other steps of traditional Chinese medicine extraction, and CO is further improved2The utilization ratio of (2).
Further, in order to meet different functional requirements, in the inlet duct 23, the outlet duct 24 and the CO2A corresponding valve structure is arranged on the auxiliary heat source system III, thereby realizing supercritical CO2Three operation modes of the jet wall breaking extraction device are as follows: (1) CO22The auxiliary heat source system III operates independently; (2) the jet flow wall breaking extraction system I operates independently; (3) the jet flow wall breaking extraction system I and the auxiliary heat source system III operate together, so that the integration of heating, cooling and wall breaking extraction for traditional Chinese medicine extraction is realized, the number of equipment is reduced, and the purity and the efficiency of traditional Chinese medicine extraction are improved.
Specifically, an air inlet pipe 23 between the first branch point 21 and the booster pump 7 is provided with an air inlet valve 9, an air outlet pipe 24 between the second branch point 22 and the separation tank 1 is provided with an air outlet valve 8, and air inlet switch control of the jet flow wall breaking extraction system I is realized through the air inlet valve 9 and the air outlet valve 8. CO22A branch air inlet valve 13 is arranged on a branch pipeline between the auxiliary heat source system III and the first branch point 21 and used for controlling the whole CO2And an air inlet switch of the auxiliary heat source system III.
Wherein, CO2The auxiliary heat source system iii specifically includes: a gas cooler 15, a dry filter 12 and a throttle valve 11, wherein the gas cooler 15 is used for releasing high-temperature high-pressure supercritical CO2Thereby providing a heating source for part of the process of extracting the Chinese medicinal materials, such as high temperature heating during the concentration process. The gas outlet of the gas cooler 15 is communicated with the drying filter 12 through a branch pipeline; the inlet of the gas cooler 15 is also in communication with the first branch point 21 via a branch conduit, and the branch inlet valve 13 is located on the branch conduit between the gas cooler 15 and the first branch point 21. A throttle valve 11 is provided in the branch line between the drier filter 12 and the second branch point 22 for regulating CO2The gas flow in the auxiliary heat source system III. It will be appreciated that the branch conduit is multi-sectioned for connection to the CO2The connection between each component in the auxiliary heat source system iii and the connection between the first branch point 21 and the second branch point 22 can be regarded as the connection pipeline between each component.
In addition, in order to provide cooling for part of the process in the traditional Chinese medicine extraction process, CO is added2The auxiliary heat source system III further comprises an evaporator 10, the evaporator 10 is arranged on a branch pipeline between the throttle valve 11 and the second branch point 22, the air inlet end of the evaporator 10 is communicated with the throttle valve 11, and the air outlet end of the evaporator 10 is communicated with the second branch point 22. The evaporator 10 may be a finned tube heat exchanger.
Supercritical CO in the above examples2The system II comprises a gas-liquid separator 16, a compressor 14 and an oil-gas separator 18 which are arranged in sequence. The outlet of the gas-liquid separator 16 and the inlet of the compressor 14 are communicated with each other by a transfer pipe, and the outlet of the compressor 14 and the inlet of the gas-oil separator 18 are also communicated with each other by a transfer pipe. Wherein the gas-liquid separator 16 is used for separating CO2And separating the CO from the water, the oil-gas separator 18 being used for separating the CO2Recovering the carried-out lubricating oil; compressor 14 using CO2Compressor capable of compressing CO at normal temperature and pressure2Compression to form high temperature and high pressure supercritical CO2Thereby being a jet flow wall breaking extraction system I or CO2Auxiliary heat source system III system or simultaneously jet flow breakerWall extraction system I and CO2CO supply system of auxiliary heat source system III2A source.
Further, a check valve 17 is arranged on a conveying pipeline between the outlet of the compressor 14 and the inlet of the oil-gas separator 18, and the check valve 17 prevents liquid return; one end of the air inlet pipeline 23 is communicated with the outlet of the oil-gas separator 18, and the other end of the air inlet pipeline 23 is communicated with the air inlet of the booster pump 7. One end of the gas outlet pipe 24 is communicated with the inlet of the gas-liquid separator 16, and the other end of the gas outlet pipe 24 is communicated with the separation tank 1.
On the basis of the above embodiments, the inside of the separation tank 1 is provided with the filtering element 25, and the filtering element 25 is used for realizing gas-solid separation, so as to prevent the materials from flowing into the gas outlet pipeline 24 along with the gas and influencing the normal operation of each component. The filter member 25 is installed on the inner sidewall of the separation tank 1 and divides the separation tank 1 into upper and lower portions. The outlet of the extraction tank 6 is communicated with the lower part of the separation tank 1 through a main pipeline, one end of the gas outlet pipeline 24, which is far away from the gas-liquid separator 16, is communicated with the upper part of the separation tank 1, the upper part of the separation tank 1 is also provided with a pressure release valve 2 for reducing the pressure in the separation tank 1 after the discharge valve 3 is opened, so that normal discharge is realized, and meanwhile, the high-temperature high-pressure supercritical CO is adopted2To conventional CO2Is released and flows back to the supercritical CO from the outlet pipe 242And (5) a system II.
The embodiment of the utility model provides a supercritical CO2Jet wall breaking extraction device using supercritical CO2The system carries out high-temperature high-pressure supercritical CO on the jet flow wall breaking extraction system2The pressure is further increased by utilizing a booster pump and a jet flow reactor in the jet flow wall breaking extraction system, so that ultrahigh-pressure jet flow wall breaking extraction is realized on materials in the extraction tank, and the purity and the efficiency of traditional Chinese medicine extraction are improved; in addition, CO is increased2The auxiliary heat source system can realize the integration of traditional Chinese medicine extraction heating, cooling and wall breaking extraction, thereby reducing the number of devices and further improving the efficiency of traditional Chinese medicine extraction.
The following is to specifically explain the working process of the three operation modes in the embodiment of the present invention:
(1)CO2auxiliary heat source systemSystem III operating alone (opening branch inlet valve 13, closing inlet valve 9 and outlet valve 8)
High temperature high pressure supercritical state CO from compressor 142Liquid return is prevented by the check valve 17, and then CO is discharged in the oil-gas separator 182The lubricating oil is recovered, enters a gas cooler 15 to be cooled and release heat, provides a heat source, removes moisture and impurities through a drying filter 12, enters a throttling valve 11 to be throttled, and is changed into low-temperature and low-pressure CO2Then enters the evaporator 10 to be evaporated, finally passes through the gas-liquid separator 16 to be subjected to gas-liquid separation, and the gas enters the compressor 14 to be compressed, thereby completing the circulation.
(2) The jet flow broken wall extraction system I operates independently (the inlet valve 9 and the outlet valve 8 are opened, the branch inlet valve 13 is closed)
High temperature high pressure supercritical CO from compressor 142Liquid return is prevented by the check valve 17, and then CO is discharged in the oil-gas separator 182The lubricating oil that takes out is retrieved, gets into booster pump 7 pressure boost, opens the feed valve 5 simultaneously and feeds, utilizes the efflux reactor 19 of booster pump 7 export to carry out efflux broken wall and extraction to traditional chinese medicine. Then the discharge valve 3 is opened, supercritical CO2The extract enters a separation tank, a pressure relief valve 2 is opened to relieve pressure, so that the supercritical CO is obtained2The fluid is changed into common gas, the extracted matter is separated out, so as to achieve the purpose of separation and purification, the material is discharged through a valve at the lower end of the separation tank, and CO is discharged2The gas escapes from the upper end and enters a gas-liquid separator for gas-liquid separation, and the gas enters a compressor to complete circulation.
(3) The jet flow wall breaking extraction system I and the auxiliary heat source system III operate together (simultaneously opening the branch air inlet valve 13, closing the air inlet valve 9 and the air outlet valve 8)
High temperature high pressure supercritical state CO from compressor 142Liquid return is prevented by the check valve 17, and then CO is discharged in the oil-gas separator 182Recovering the carried-out lubricating oil. CO out of the oil-gas separator 182Two streams, one of which enters the gas cooler 15 through the gas inlet valve 13 and is cooled to release heat, thereby providing a heat source. Removing water and impurities through a drying filter 12, throttling the water and impurities in a throttling valve 11, and changing the water and impurities into low-temperature and low-pressure CO2Then, thenEnters the evaporator 10 to evaporate, absorbs heat through the evaporator 10 and provides a cooling source.
The other strand enters a booster pump 7 through an air inlet valve 9 for boosting, simultaneously a feed valve 5 is opened for feeding, a jet flow reactor 19 at the outlet of the booster pump 7 is utilized for jet flow wall breaking and extraction of the traditional Chinese medicine, and a discharge valve is opened for supercritical CO2The extract enters a separation tank 1, a pressure relief valve 2 is opened to relieve pressure, and the supercritical CO is obtained2The fluid is changed into common gas, the extracted substances are separated out, thereby achieving the purpose of separation and purification, the materials are discharged through a discharge valve 20 at the lower end of the separation tank 1, and CO is discharged2CO escaping from the upper end and exiting from the evaporator 102Mixing in the gas-liquid separator 16, finally carrying out gas-liquid separation through the gas-liquid separator 16, and leading the gas to enter the compressor 14 for compression, thus completing the circulation.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. Supercritical CO2A jet wall-breaking extraction device comprising supercritical CO2System of said supercritical CO2The system is used for circularly supplying high-temperature and high-pressure supercritical CO2The method is characterized by further comprising the following steps: the jet flow wall breaking extraction system comprises a booster pump, an extraction tank and a separation tank, wherein a jet flow reactor is arranged at the outlet of the booster pump;
the jet reactor, the extraction tank and the separation tank are sequentially communicated through a main pipeline, a discharge valve is arranged on the main pipeline between the extraction tank and the separation tank, and an air inlet of the booster pump is communicated with the supercritical CO2The gas outlet of the system is communicated with the supercritical CO through a gas inlet pipeline, and the separating tank is communicated with the supercritical CO2The air inlets of the system are communicated through an air outlet pipeline.
2. The supercritical CO of claim 12The jet flow wall breaking extraction device is characterized by also comprising CO2The auxiliary heat source system comprises an air inlet pipeline, an air outlet pipeline and a CO pipeline, wherein a first branch point is arranged on the air inlet pipeline, a second branch point is arranged on the air outlet pipeline, and the CO pipeline is connected with the CO pipeline2One end of the auxiliary heat source system is communicated with the first branch point through a branch pipeline, and the CO is2The other end of the auxiliary heat source system is communicated with the second branch point through another branch pipeline.
3. The supercritical CO of claim 22Efflux broken wall extraction device, its characterized in that, first branch point with between the booster pump be provided with the admission valve on the admission line, the second branch point with between the knockout drum be provided with the air outlet valve on the pipeline of giving vent to anger, CO2And a branch air inlet valve is arranged on the branch pipeline between the auxiliary heat source system and the first branch point.
4. The supercritical CO of claim 32The jet flow wall breaking extraction device is characterized in that the CO is2The auxiliary heat source system comprises a gas cooler, a drying filter and a throttle valve, wherein the gas cooler is communicated with the drying filter, the branch air inlet valve is positioned on a connecting pipeline between the gas cooler and the first branch point, and the throttle valve is arranged on the connecting pipeline between the drying filter and the second branch point.
5. The supercritical CO of claim 42The jet flow wall breaking extraction device is characterized in that the CO is2The auxiliary heat source system further comprises an evaporator, and the evaporator is arranged on a connecting pipeline between the throttling valve and the second branch point.
6. Supercritical according to any one of claims 1 to 5CO2The jet flow wall breaking extraction device is characterized in that the supercritical CO2The system comprises a gas-liquid separator, a compressor and an oil-gas separator which are sequentially arranged, wherein an outlet of the gas-liquid separator is communicated with an inlet of the compressor, and an outlet of the compressor is communicated with an inlet of the oil-gas separator through a conveying pipeline;
the delivery pipeline between the outlet of the compressor and the inlet of the oil-gas separator is provided with a check valve, the outlet of the oil-gas separator is communicated with the gas inlet pipeline, and the inlet of the gas-liquid separator is communicated with the gas outlet pipeline.
7. The supercritical CO of claim 62Efflux broken wall extraction device, its characterized in that, the inside of knockout drum is provided with filters, filter will the knockout drum is separated for upper portion and lower part, the extraction jar passes through the trunk line with the lower part intercommunication of knockout drum, the pipeline connection of giving vent to anger is in the upper portion of knockout drum, the upper portion of knockout drum still is provided with the relief valve.
8. The supercritical CO of claim 62The jet flow wall breaking extraction device is characterized in that a feeding part is arranged at the upper part of the extraction tank, the feeding part comprises a feeding hopper and a feeding valve, and the feeding valve is arranged on a connecting pipeline between the feeding hopper and the extraction tank; the lower part of the separation tank is provided with a discharge hole, and a discharge valve is arranged at the discharge hole.
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| CN112007375A (en) * | 2019-05-29 | 2020-12-01 | 中国科学院理化技术研究所 | Supercritical CO2Jet flow wall breaking extraction device |
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| CN112007375A (en) * | 2019-05-29 | 2020-12-01 | 中国科学院理化技术研究所 | Supercritical CO2Jet flow wall breaking extraction device |
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