CN111803999A - Quick extraction device of chinese herbal medicine - Google Patents
Quick extraction device of chinese herbal medicine Download PDFInfo
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- CN111803999A CN111803999A CN202010602257.XA CN202010602257A CN111803999A CN 111803999 A CN111803999 A CN 111803999A CN 202010602257 A CN202010602257 A CN 202010602257A CN 111803999 A CN111803999 A CN 111803999A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D11/02—Solvent extraction of solids
- B01D11/0288—Applications, solvents
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Abstract
The invention relates to a Chinese herbal medicine rapid extraction device which comprises an extraction tank, a solvent high-pressure liquid pump and a high-pressure air pump, wherein the extraction tank is communicated with each other, the extraction tank is sealed to form a middle cavity, a heating device is arranged on the periphery of the wall of a cylindrical tank, and the lower part of the extraction tank is connected with an extraction liquid collecting device and a high-pressure air discharging device. The device utilizes the supercritical dissolving capacity of the solvent water under high pressure and high temperature to quickly dissolve the effective components of the Chinese herbal medicines into the solvent, thereby greatly saving the time for decocting the Chinese herbal medicines, greatly improving the yield of the effective components of the Chinese herbal medicines, and having high concentration of the extracted liquid medicine and small liquid medicine amount; the high-pressure air pump connected with the outside of the extraction device blows the Chinese herbal medicine after the extraction liquid is filtered to be dry, the extraction liquid medicine is obtained to the maximum extent, and the Chinese herbal medicine dregs after drying are easy to store, so that the extraction efficiency is greatly improved.
Description
Technical Field
The invention relates to the technical field of extraction of effective components of Chinese herbal medicines, in particular to a quick Chinese herbal medicine extraction device.
Background
Chinese herbal medicine is precious wealth in China, Chinese herbal medicine decoction occupies a larger part of the traditional Chinese medicine, the traditional decoction mode is to decoct the Chinese herbal medicine in hot water of 100 ℃ for 1-2 hours and extract the effective components of the Chinese herbal medicine soluble water for one bowl to take, in recent years, although various Chinese herbal medicine extraction machines are developed and produced, the Chinese herbal medicine decoction method is basically a large-size high-pressure pot technology and only adopts container-changed decoction. The medicine boiling time is several hours, the extraction efficiency is low, the requirement of respectively extracting liquid medicine for large-scale patients in hospitals can not be met, moreover, the extracted liquid medicine has low concentration and large dosage, and the bitter and unsmooth liquid medicine brings intolerable difficulty for patients, particularly patients with serious diseases, so that a Chinese herbal medicine extraction device with short extraction time, high extraction efficiency, high yield of effective components and high-concentration liquid medicine after extraction is urgently needed, and the traditional Chinese medicine extraction and drinking requirements of large-scale and large-scale patients are met.
Disclosure of Invention
The invention aims to overcome the defects and provides a Chinese herbal medicine rapid extraction device, which is provided with a closed extraction device with a middle cavity, a high-pressure liquid pump is externally connected, the high-pressure liquid pump adds high pressure to a solvent and then sends the solvent into an extraction tank, the wall of the extraction tank is heated, and by utilizing the subcritical supernormal dissolving capacity of solvent water in a high-pressure and high-temperature state, the effective ingredients of the Chinese herbal medicine in the extraction tank are rapidly dissolved into the solvent, the extraction time is shortened to 5-10 minutes from 60-120 minutes in the prior art, meanwhile, the extraction rate of the effective ingredients of the Chinese herbal medicine is improved to more than 95 percent from 80 percent in the prior art, only a small amount of solvent is needed, the concentration of extracted liquid medicine is high, and the liquid medicine is; the high-pressure air pump connected outside the extraction device is beneficial to collecting the extraction liquid by high-pressure air flow, and blows the Chinese herbal medicines to be dry, so that the extraction liquid is obtained to the maximum extent, the extraction of a plurality of extraction pools and a plurality of Chinese herbal medicines can be automatically completed at the same time, and the requirement of large-scale production is met.
The specific technical scheme provided by the invention is as follows:
the utility model provides a quick extraction device of chinese herbal medicine, includes extraction tank and the solvent device that links to each other, the extraction tank includes the body that contains the middle part cavity of constituteing by cask shape pool wall and upper seal unit, lower seal unit, the middle part cavity is connected with the high pressure liquid pump, the high pressure air pump of pressurized solvent respectively through upper seal unit, is connected with extraction liquid collection device, exhaust apparatus respectively through lower seal unit, cask shape pool wall periphery is equipped with heating device, makes high temperature, high pressure are in order to extract built-in chinese herbal medicine fast in the cavity of body middle part.
Preferably, a dispersion device is disposed at the upper end of the middle cavity and below the upper sealing unit, so that the solvent pressurized by the high-pressure liquid pump is uniformly injected into the middle cavity.
Preferably, a liquid medicine filtering device is arranged at the lower end of the middle cavity and at the upper part of the lower sealing unit.
Preferably, one end of the high-pressure liquid pump is connected with the solvent device, the other end of the high-pressure liquid pump is communicated with the middle cavity of the body through a one-way valve, and the pressure range of the high-pressure liquid pump is 20-140 kg/cm2。
Preferably, the high-pressure air pump is communicated with the middle cavity of the body through a one-way valve, and the pressure provided by the high-pressure air pump is 3-5 kg/cm2。
Preferably, the temperature range of the extraction pool is 80-120 ℃.
Further, the temperature of the extraction cell is 110 ℃.
Preferably, the pressure of the extraction tank is 10-200 kg/cm2。
Further, the pressure of the extraction cell is 120kg/cm2。
Preferably, the thickness of the cylindrical pool wall is more than or equal to 10 mm.
In addition, the solvent is sterile distilled water; the Chinese herbal medicines are particles which are pre-crushed into particles with the size of 1-2mm, and the weight ratio of the solvent placed in the middle cavity of the extraction tank to the Chinese herbal medicines is 6: 10.
the Chinese herbal medicines in the middle cavity are all placed in a sealing device, such as a cloth bag, which can be taken out integrally and can leak out the liquid medicine.
The pore diameter of the filter screen for filtering the extract is less than 200 meshes.
It should be noted that the extraction of multiple Chinese herbal medicines can be performed simultaneously under the control of a computer.
The extraction pool is provided with an overpressure and over-temperature adjusting protection device to ensure that the extraction process is carried out in a subcritical solvent state; and an air leakage alarm device is also arranged to ensure the extraction effect.
Has the advantages that:
the invention provides a Chinese herbal medicine fast extraction device, which is provided with a closed extraction device with a middle cavity, wherein a high-pressure liquid pump is externally connected, the high-pressure liquid pump is used for adding high pressure to a solvent and then sending the solvent into an extraction tank, the wall of the extraction tank is heated, and the subcritical supernormal dissolving capacity of solvent water in a high-pressure and high-temperature state is utilized, so that the effective ingredients of the Chinese herbal medicine in the extraction tank are quickly dissolved into the solvent, the extraction time is shortened to 5-10 minutes from 60-120 minutes in the prior art, meanwhile, the extraction rate of the effective ingredients of the Chinese herbal medicine is improved to more than 95% from 80% in the prior art, only a small amount of solvent is needed, the concentration of extracted liquid medicine is high; the high-pressure air pump connected outside the extraction device is beneficial to collecting the extraction liquid by high-pressure air flow, and blows the Chinese herbal medicines to be dry, so that the extraction liquid is obtained to the maximum extent, a plurality of extraction pools and a plurality of Chinese herbal medicine extraction can be automatically and simultaneously carried out, and the requirement of large-scale production is met.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic view of a device for rapid extraction of Chinese herbs in the present invention;
FIG. 2 is a schematic view of a dispersion tray structure;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic view of a filter screen;
FIG. 5 is a cross-sectional view B-B of FIG. 4;
FIG. 6 is a schematic diagram of a structure for simultaneously extracting multiple Chinese herbal medicines.
Wherein: 1-an extraction tank; 11-an upper cover of the extraction tank; 110-a sealing ring; 12-a dispersion tray; 120-dispersion disk holes; 13-cloth bag; 14-cylindrical tank wall; 15-sterile distilled water; 16-a filter screen; 160-filtration mesh; 17-lower cover of extraction pool; 18-electric heating wire; 19-Chinese herbal medicine; 190-a first group of Chinese herbal medicines; 191-a second group of Chinese herbal medicines; 191-a third group of Chinese herbal medicines;
2-high pressure liquid pump; 20-liquid inlet one-way valve; 21-a liquid inlet pipeline;
3-high pressure air pump; 30-air inlet one-way valve; 31-an air intake line;
4-gas outlet pipeline; 40-air outlet one-way valve;
5-liquid collecting bottle; 100-a liquid outlet pipe; 51-liquid outlet one-way valve.
6-thermometer; 7-a pressure gauge; 8-a safety protection device; 9-solvent device; 10-special quartz sand.
Detailed Description
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "plurality" means equal to or greater than two; the description which follows is a preferred embodiment of the present application, but is made for the purpose of illustrating the general principles of the application and not for the purpose of limiting the scope of the application. The protection scope of the present application shall be subject to the definitions of the appended claims.
A first embodiment of the present invention, as shown in fig. 1-5, is a device for rapidly extracting Chinese herbal medicine, comprising an extraction tank 1 and a solvent device 9 containing sterile distilled water 15 and connected to the extraction tank 1, wherein the solvent device 9 is connected to a high pressure liquid pump 2, and the high pressure liquid pump 2 is connected to the extraction tank 1 through a liquid inlet one-way valve 20 via a liquid inlet pipeline 21; the high-pressure air pump 3 is also connected with the extraction tank 1 through an air inlet one-way valve 30 and an air inlet pipeline 31.
The pool wall of the extraction pool 1 comprises an extraction pool which is enclosed by a cylindrical pool wall 14, an upper cover 11 of the extraction pool and a lower cover 17 of the extraction pool to form a middle cavity, the upper cover 11 of the extraction pool and the lower cover 17 of the extraction pool are sealed with the cylindrical pool wall 14 through sealing rings 110, an air inlet pipeline 31 of the high-pressure air pump 3 enters the middle cavity through the upper cover 11 of the extraction pool, and a liquid pipeline 21 of the high-pressure liquid pump 2 enters the middle cavity through the upper cover 11 of the extraction pool.
A dispersion disc 12 is fixedly arranged at the upper end of the middle cavity at the lower part of the upper cover 11 of the extraction tank, and dispersion disc holes 120 are uniformly distributed on the dispersion disc 12; a filter screen 16 is fixedly arranged at the upper end of the lower cover 17 of the extraction tank and at the lower end of the middle cavity, the filter screen 16 is provided with filter meshes 160 for filtering Chinese herbal medicine particles, and the aperture is smaller than 200 meshes; in the middle cavity, all the Chinese herbal medicines 19 are filled in a cloth bag 13, and the special quartz sand 10 is filled in the gap above the cloth bag 13, wherein the Chinese herbal medicines are particles which are crushed into 1-2mm in advance.
The lower end of the extraction tank 1 collects the extract filtered by the filter mesh 160 of the filter screen 16 into the liquid collecting bottle 5 through the liquid outlet pipeline 100, and the liquid outlet pipeline 100 is provided with a liquid outlet one-way valve 51 for the liquid medicine to flow out.
When the extraction liquid flows into the liquid collecting bottle 5, the high-pressure air pump 3 is turned on, high-pressure air enters the extraction tank 1 through the air inlet one-way valve 30 and the air inlet pipeline 31, and the high-pressure air flow blows out the extraction liquid in the Chinese herbal medicines 19 until the Chinese herbal medicines 19 are dried.
The high-pressure airflow blown through the Chinese herbal medicines 19 is discharged from the lower end of the extraction tank 1 through an air outlet pipeline 4 through an air outlet one-way valve 40.
The lower cover 17 of the extraction tank is opened, the cloth bag 13 is taken out from the extraction tank 1, and the extracted Chinese herbal medicine 19 in a dry state is taken out.
The periphery of the barrel-shaped pool wall 14 is provided with a heating wire 18 for heating the extraction pool 1, the extraction pool 1 is provided with a pressure gauge 7 for measuring the pressure in the extraction pool 1, a thermometer 6 for measuring the temperature of the solvent in the extraction pool 1, and a safety protection device 8 for overvoltage and overtemperature power-off protection and gas leakage alarm.
Preferably, the pressure range of the high-pressure liquid pump 2 is 20-140 kg/cm2。
Preferably, the pressure provided by the high-pressure air pump 3 is 3-5 kg/cm2。
Preferably, the temperature range in the extraction pool 1 is 80-120 ℃.
Further, the temperature in the extraction cell 1 is 110 ℃.
Preferably, the pressure in the extraction tank 1 is 10-200 kg/cm2。
Further, the pressure in the extraction tank is 120kg/cm2。
Preferably, the thickness of the cylindrical pool wall is more than or equal to 10 mm.
It should be noted that the solvent in the present invention is sterile distilled water 15. The weight of the sterile distilled water 15 placed in the middle cavity of the extraction tank 1 accounts for 60 percent of the weight of the Chinese herbal medicines.
Before extraction, the Chinese herbal medicines 19 are crushed into particles of 1-2mm, the particles are placed in a cloth bag 13 which can be taken out integrally and can leak liquid medicine, the cloth bag 13 is placed in the middle cavity, and the space is filled with special quartz sand 10.
It should be noted that the extraction tank 1 is provided with an overpressure and over-temperature regulation protection device and a safety protection device 8 for air leakage alarm, so that the whole extraction process is ensured to be carried out in a subcritical solvent state, and the extraction effect is ensured.
It should be noted that the rapid extraction device is connected with a computer (not shown in the figure), and the whole extraction process is intelligently controlled by the computer.
In a second embodiment of the present invention, as shown in fig. 6, a rapid extraction device for Chinese herbs comprises a plurality of separately controlled devices for extracting different Chinese herbs simultaneously or separately.
A Chinese herbal medicine fast extraction device comprises an extraction tank 1 and a solvent device 9 which is connected with the extraction tank 1 and contains sterile distilled water 15, wherein the solvent device 9 is communicated with a high-pressure liquid pump 2, and the high-pressure liquid pump 2 is connected with the extraction tank 1 through a liquid inlet one-way valve 20 and a liquid inlet pipeline 21; the high-pressure air pump 3 is also connected with the extraction tank 1 through an air inlet one-way valve 30 and an air inlet pipeline 31.
The pool wall of the extraction pool 1 comprises an extraction pool which is enclosed by a cylindrical pool wall 14, an upper cover 11 of the extraction pool and a lower cover 17 of the extraction pool to form a middle cavity, the upper cover 11 of the extraction pool and the lower cover 17 of the extraction pool are sealed with the cylindrical pool wall 14 through sealing rings 110, an air inlet pipeline 31 of the high-pressure air pump 3 enters the middle cavity through the upper cover 11 of the extraction pool, and a liquid pipeline 21 of the high-pressure liquid pump 2 enters the middle cavity through the upper cover 11 of the extraction pool.
A dispersion disc 12 is fixedly arranged at the upper end of the middle cavity at the lower part of the upper cover 11 of the extraction tank, and dispersion disc holes 120 are uniformly distributed on the dispersion disc 12; a filter screen 16 is fixedly arranged at the upper end of the lower cover 17 of the extraction tank and at the lower end of the middle cavity, small through holes for filtering Chinese herbal medicine particles are arranged on the filter screen 16, all Chinese herbal medicines are filled in a cloth bag 13 in the middle cavity, and the special quartz sand 10 is filled in the gap above the cloth bag 13.
The lower end of the extraction tank 1 collects the extract filtered by the filter meshes 160 of the filter screen 16 into a liquid collecting bottle 5 through a liquid outlet pipeline 100, the aperture is smaller than 200 meshes, and a liquid outlet one-way valve 51 for liquid medicine to flow out is arranged on the liquid outlet pipeline 100.
When the extraction liquid flows into the liquid collecting bottle 5, the high-pressure air pump 3 is turned on, high-pressure air enters the extraction tank 1 through the air inlet one-way valve 30 and the air inlet pipeline 31, and the high-pressure air flow blows out the extraction liquid in the Chinese herbal medicines 19 until the Chinese herbal medicines 19 are dried.
The high-pressure airflow blown through the Chinese herbal medicines 19 is discharged from the lower end of the extraction tank 1 through an air outlet pipeline 4 through an air outlet one-way valve 41.
The lower cover 17 of the extraction tank is opened, the cloth bag 13 is taken out from the extraction tank 1, and the extracted Chinese herbal medicine 19 in a dry state is taken out.
The periphery of the barrel-shaped pool wall 14 is provided with a heating wire 18 for heating the extraction pool 1, the extraction pool 1 is provided with a pressure gauge 7 for measuring the pressure in the extraction pool 1, a thermometer 6 for measuring the temperature of the solvent in the extraction pool 1, and a safety protection device 8 for overpressure and over-temperature regulation protection device and gas leakage alarm.
Preferably, the pressure range of the high-pressure liquid pump 2 is 20-140 kg/cm2。
Preferably, the pressure provided by the high-pressure air pump 3 is 3-5 kg/cm 2.
Preferably, the temperature range in the extraction pool 1 is 80-120 ℃.
Further, the temperature in the extraction cell 1 is 110 ℃.
Preferably, the pressure in the extraction tank 1 is 10-200 kg/cm 2.
Further, the pressure in the extraction tank was 120kg/cm 2.
Preferably, the thickness of the cylindrical pool wall is more than or equal to 10 mm.
Chinese herbal medicines 191, 192, 193 and the like are added into different extraction tanks 1, and different liquid medicines can be extracted in multiple tanks at the same time.
It should be noted that the solvent in the present invention is sterile distilled water 15. The weight of the sterile distilled water 15 placed in the middle cavity of the extraction tank 1 accounts for 60 percent of the weight of the Chinese herbal medicines.
Before extraction, the Chinese herbal medicines 19 are crushed into particles of 1-2mm, the particles are placed in a cloth bag 13 which can be taken out integrally and can leak liquid medicine, the cloth bag 13 is placed in the middle cavity, and the space is filled with special quartz sand 10.
It should be noted that an overpressure and over-temperature regulation protection device and a safety protection device 8 for air leakage alarm are arranged in the extraction tank 1, so that the whole extraction process is ensured to be carried out in a subcritical solvent state, and the extraction effect is ensured.
It should be noted that the rapid extraction device is connected with a computer (not shown in the figure), and the whole extraction process is intelligently controlled by the computer.
Has the advantages that:
the invention provides a Chinese herbal medicine fast extraction device, which is provided with a closed extraction device with a middle cavity, wherein a high-pressure liquid pump is externally connected, the high-pressure liquid pump is used for adding high pressure to a solvent and then sending the solvent into an extraction tank, the wall of the extraction tank is heated, and the subcritical supernormal dissolving capacity of solvent water in a high-pressure and high-temperature state is utilized, so that the effective component of the Chinese herbal medicine in the extraction tank is fast dissolved into the solvent, the extraction time is shortened to 5-10 minutes from 60-120 minutes in the prior art, meanwhile, the extraction rate of the effective component of the Chinese herbal medicine is improved to more than 95% from 80% in the prior art, only a small amount of solvent is needed, the concentration of extracted liquid medicine is; the high-pressure air pump connected with the outside of the extraction device is beneficial to collecting the extract by high-pressure air flow, and blows the Chinese herbal medicines to be dry, so that the extract is obtained to the maximum extent, a plurality of Chinese herbal medicines can be automatically and simultaneously extracted, and the requirement of extracting liquid medicine in a large scale is met.
The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the application as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.
Claims (10)
1. The utility model provides a quick extraction device of chinese herbal medicine, includes extraction tank and the solvent device that links to each other, its characterized in that, the extraction tank includes the body that contains the middle part cavity of constituteing by cask shape pond wall and upper seal unit, lower seal unit, the middle part cavity is connected with the high pressure liquid pump, the high pressure air pump of pressurized solvent respectively through upper seal unit, is connected with extraction liquid collection device, exhaust apparatus respectively through lower seal unit, cask shape pond wall periphery is equipped with heating device for high temperature, high pressure are in order to extract built-in chinese herbal medicine fast in the cavity of body middle part.
2. The device for rapidly extracting Chinese herbal medicines according to claim 1, wherein a dispersing device is provided at the upper end of the middle cavity and below the upper sealing unit, so that the solvent pressurized by the high-pressure liquid pump is uniformly injected into the middle cavity.
3. The device for rapidly extracting Chinese herbal medicines according to claim 2, wherein a liquid medicine filtering device is provided at the lower end of the middle cavity and above the lower sealing unit.
4. The device for the rapid extraction of Chinese herbal medicines according to claim 3, wherein one end of the high-pressure liquid pump is connected with the solvent deviceOne end of the connecting pipe is communicated with the middle cavity of the body through a one-way valve, and the pressure range of the high-pressure hydraulic pump is 20-140 kg/cm2。
5. The device for rapidly extracting Chinese herbal medicines according to claim 4, wherein the high-pressure air pump is communicated with the middle cavity of the body through a one-way valve, and the pressure provided by the high-pressure air pump is 3-5 kg/cm2。
6. The device for rapidly extracting any Chinese herbal medicine according to claims 1 to 5, wherein the temperature of the extraction tank is in the range of 80 to 120 ℃.
7. The device for the rapid extraction of Chinese herbal medicines according to claim 6, wherein the temperature of the extraction tank is 110 ℃.
8. The device for rapidly extracting Chinese herbal medicines according to claim 7, wherein the pressure of the extraction tank is 10-200 kg/cm2。
9. The device for rapidly extracting Chinese herbal medicines according to claim 8, wherein the pressure of the extraction tank is 120kg/cm2。
10. The device for rapidly extracting Chinese herbal medicines according to claim 9, wherein the thickness of the barrel-shaped tank wall is more than or equal to 10 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010602257.XA CN111803999A (en) | 2020-06-29 | 2020-06-29 | Quick extraction device of chinese herbal medicine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010602257.XA CN111803999A (en) | 2020-06-29 | 2020-06-29 | Quick extraction device of chinese herbal medicine |
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| CN202010602257.XA Pending CN111803999A (en) | 2020-06-29 | 2020-06-29 | Quick extraction device of chinese herbal medicine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112473176A (en) * | 2020-11-07 | 2021-03-12 | 江苏高科制药设备有限公司 | Pneumatic control type supercritical extraction pharmaceutical equipment |
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| CN202951280U (en) * | 2012-10-11 | 2013-05-29 | 中国林业科学研究院林产化学工业研究所 | Plant effective constituent subcritical water extraction plant |
| CN103203117A (en) * | 2013-03-26 | 2013-07-17 | 国家***第三海洋研究所 | Method for extracting substances in microbial fermenting cultures by pressurized solvent |
| CN203502394U (en) * | 2013-09-23 | 2014-03-26 | 江苏中烟工业有限责任公司 | Device for extracting and purifying polyaromatic hydrocarbon in cigarette smoke |
| US20190201859A1 (en) * | 2014-10-01 | 2019-07-04 | Cool Planet Energy Systems, Inc. | Biochars, biochar extracts and biochar extracts having soluble signaling compounds and method for capturing material extracted from biochar |
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2020
- 2020-06-29 CN CN202010602257.XA patent/CN111803999A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202951280U (en) * | 2012-10-11 | 2013-05-29 | 中国林业科学研究院林产化学工业研究所 | Plant effective constituent subcritical water extraction plant |
| CN103203117A (en) * | 2013-03-26 | 2013-07-17 | 国家***第三海洋研究所 | Method for extracting substances in microbial fermenting cultures by pressurized solvent |
| CN203502394U (en) * | 2013-09-23 | 2014-03-26 | 江苏中烟工业有限责任公司 | Device for extracting and purifying polyaromatic hydrocarbon in cigarette smoke |
| US20190201859A1 (en) * | 2014-10-01 | 2019-07-04 | Cool Planet Energy Systems, Inc. | Biochars, biochar extracts and biochar extracts having soluble signaling compounds and method for capturing material extracted from biochar |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112473176A (en) * | 2020-11-07 | 2021-03-12 | 江苏高科制药设备有限公司 | Pneumatic control type supercritical extraction pharmaceutical equipment |
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Application publication date: 20201023 |