CN111760325A - Method for quickly extracting Chinese herbal medicine - Google Patents
Method for quickly extracting Chinese herbal medicine Download PDFInfo
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- CN111760325A CN111760325A CN202010602262.0A CN202010602262A CN111760325A CN 111760325 A CN111760325 A CN 111760325A CN 202010602262 A CN202010602262 A CN 202010602262A CN 111760325 A CN111760325 A CN 111760325A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
- B01D11/0288—Applications, solvents
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Abstract
The invention relates to a method for rapidly extracting Chinese herbal medicines, which comprises the steps of placing crushed Chinese herbal medicines in a closed cavity of an extraction tank, adding high pressure to a solvent through a high-pressure liquid pump which is externally connected, then sending the solvent into the extraction tank, heating the wall of the extraction tank, and utilizing the subcritical ultra-normal dissolving capacity of solvent water under the high-pressure and high-temperature states to rapidly dissolve effective components of the Chinese herbal medicines in the extraction tank into the solvent.
Description
Technical Field
The invention relates to the technical field of extraction of effective components of Chinese herbal medicines, in particular to a quick extraction method of Chinese herbal medicines.
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 serious patients, so that a safe Chinese herbal medicine extraction method with short extraction time, high extraction efficiency and high-concentration liquid medicine after extraction is urgently needed, and the requirement of extracting and drinking traditional Chinese medicines for large-scale patients in batches is met.
Disclosure of Invention
The invention aims to overcome the defects and provides a method for quickly extracting Chinese herbal medicines, the crushed Chinese herbal medicines are placed in a closed cavity of an extraction tank, a solvent is pressurized by a high-pressure liquid pump connected externally and then is sent into the extraction tank, the wall of the extraction tank is heated, and the effective components of the Chinese herbal medicines in the extraction tank are quickly dissolved into the solvent by utilizing the subcritical supernormal dissolving capacity of the solvent water under the high-pressure and high-temperature states, the extraction time is shortened to 5-10 minutes from 60-120 minutes in the prior art, meanwhile, the extraction rate of the effective components of the Chinese herbal medicines 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 the extracted liquid medicine is high, and the liquid medicine is small in amount; 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, the extraction of a plurality of Chinese herbal medicines can be automatically completed at the same time, and the requirement of extracting the liquid medicine in a large scale is met.
The specific technical scheme provided by the invention is as follows:
a method for rapidly extracting Chinese herbal medicines comprises the following steps:
Step 2: the solvent is pumped to a high pressure of 20-140 kg/cm by a high-pressure liquid pump2Then injecting the mixture into a sealed cavity of the extraction tank, wherein the weight ratio of the solvent to the Chinese herbal medicines is 6: 10;
and step 3: starting the heating device to raise the temperature in the extraction tank to 80-120 ℃, and simultaneously raising the pressure in the extraction tank to 10-200 kg/cm2；
And 4, step 4: extracting for 1 time for 5-10 min;
and 5: starting a high-pressure air pump, blowing the extract liquor in the extraction tank to a collecting device by high-pressure air, blowing the Chinese herbal medicines to a dry state, and simultaneously discharging the high-pressure air from the other end of the extraction tank.
Preferably, the method further comprises the following steps 1-1: the Chinese herbal medicine is placed in a cavity formed by a cylindrical pool wall, an upper sealing cover and a lower sealing cover which are detachably connected, and the thickness of the cylindrical pool wall is not less than 10 mmmm.
Preferably, the method further comprises the following steps 1-2: crushing the Chinese herbal medicines into particles, filling the particles into a sealed soft filter bag, and filling special quartz sand in the space above the filter bag.
Preferably, the method further comprises the step 2-1: and injecting the pressurized solvent into the cavity after the solvent is uniformly dispersed by a dispersing device, wherein the solvent comprises sterile distilled water.
Preferably, the method further comprises the step 3-1: when the temperature in the extraction tank is 110 ℃, the pressure is 120kg/cm2。
Preferably, the method further comprises the step 5-1: the air pressure provided by the high-pressure air pump is 3-5 kg/cm2。
Preferably, the method further comprises the step 5-2: and the extract liquor is collected to a liquid collecting device after residue is filtered by a filtering device arranged at the bottom of the cavity.
Preferably, the high-temperature high-pressure Chinese herbal medicine rapid extraction process is intelligently controlled by a computer.
Preferably, the extraction tank is also connected with an overpressure and over-temperature adjusting and protecting device and a safety protecting device for air leakage alarm, which are controlled by a computer.
It should be noted that the solvent of the present invention includes sterile distilled water. The mass of the solvent placed in the middle cavity of the extraction tank accounts for 60% of the mass of the Chinese herbal medicines.
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.
It is noted that an overvoltage and overtemperature power-off protection device is arranged in the extraction tank to ensure that the extraction process is carried out in a subcritical solvent state; and the extraction effect is ensured by the aid of an air leakage alarm device, and the overvoltage and overtemperature power-off protection device and the air leakage alarm device are connected with a computer.
It should be noted that the extraction pool can be controlled by a computer to simultaneously extract a plurality of Chinese herbal medicines, so that the extraction of large-scale and various types of Chinese herbal medicines is met.
Has the advantages that:
the invention provides a Chinese herbal medicine fast extraction method, set up the closed extraction plant comprising cavity pocket of middle part, connect the high-pressure liquid pump outside, the high-pressure liquid pump sends to the extraction cell after adding the high pressure to the solvent, through heating the wall of the extraction cell, utilize the supercritical state extraordinary dissolving capacity of solvent water under the high-pressure high-temperature state, make the effective composition of the Chinese herbal medicine in the extraction cell dissolve into solvent fast, the extraction time is shortened to 5-10 minutes from 60-120 minutes of the prior art, the extraction rate of effective composition of Chinese herbal medicine is promoted to more than 95% from 80% of the prior art at the same time, and only need a small amount of solvent, the concentration of the extracted liquid medicine is high, the liquid medicine is small; 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, the extraction of a plurality of Chinese herbal medicines can be automatically completed at the same time, and the requirement of extracting the liquid medicine in a large scale 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 high-temperature high-pressure rapid extraction apparatus for Chinese herbal medicines according to the present invention;
FIG. 2 is a flow chart of the high-temperature high-pressure rapid extraction of Chinese herbal medicine of the present invention.
Wherein: 1-solvent means; 2-a one-way valve; 3-high pressure liquid pump; 4-high pressure air pump; 5-an extraction tank; 7-liquid collecting bottle; 8-a heater; 6-computer.
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.
The embodiment of the invention comprises the following steps:
referring to fig. 1-2, a method for rapidly extracting Chinese herbal medicines comprises the following steps:
Step 2: sterile distilled water is added to a high pressure of 20-140 kg/cm through a high-pressure liquid pump 32And then the mixture is injected into a sealed cavity of the extraction tank 5 through a pipeline, the pipeline is provided with a one-way valve 2, and the weight ratio of the sterile distilled water to the Chinese herbal medicines is 6: 10.
Preferably, the pressurized sterile distilled water is injected into the cavity after being uniformly dispersed by a dispersing device arranged at the upper end of the sealed cavity.
And step 3: starting the heater 8 to raise the temperature in the extraction tank 5 to 80-120 ℃, and simultaneously raising the pressure in the extraction tank 5 to 10-200 kg/cm2。
Preferably, the pressure in the extraction tank 5 is 120kg/cm when the temperature is 110 DEG C2。
And 4, step 4: extracting for 5-10min for only one time, and setting different time according to different Chinese medicinal materials.
And 5: starting a high-pressure air pump 4, and leading high-pressure air into the cavity of the extraction tank 5 through a pipeline, wherein the air pressure provided by the high-pressure air pump 4 is 3-5 kg/cm2The high-pressure air flow blows the extraction liquid to the extraction liquidThe extraction liquid enters the liquid collecting bottle 7 after being filtered by a filtering device arranged at the bottom of the cavity; at the same time, a high-pressure gas stream is discharged from the other end of the extraction cell 5.
Preferably, the high-temperature and high-pressure Chinese herbal medicine rapid extraction process is intelligently controlled by the computer 6, and when the temperature or the pressure in the extraction tank 5 exceeds a set value, the computer 6 controls a corresponding adjusting and protecting device (not shown) to adjust the temperature or the pressure.
Preferably, a safety protection device (not shown) for gas leakage alarm is also provided.
It should be noted that 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.
It is noted that an overvoltage and overtemperature power-off protection device is arranged in the extraction tank to ensure that the extraction process is carried out in a subcritical solvent state; and the extraction effect is ensured by the aid of an air leakage alarm device, and the overvoltage and overtemperature power-off protection device and the air leakage alarm device are connected with a computer.
It should be noted that the extraction pool can be controlled by a computer to simultaneously extract a plurality of Chinese herbal medicines, so that the extraction of large-scale and various types of Chinese herbal medicines is met.
Has the advantages that:
the invention provides a high-temperature high-pressure 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 with the extraction device, 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 the subcritical supernormal dissolving capacity of solvent water in a high-pressure high-temperature state is utilized, so that the effective components of the Chinese herbal medicine in the extraction tank are 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 components 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; 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 completed simultaneously, 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 (9)
1. A method for quickly extracting Chinese herbal medicines is characterized by comprising the following steps:
step 1, pretreatment: crushing the Chinese herbal medicines and placing the crushed Chinese herbal medicines into a sealed cavity of an extraction tank.
Step 2: the solvent is pumped to a high pressure of 20-140 kg/cm by a high-pressure liquid pump2Then injecting the mixture into a sealed cavity of the extraction tank, wherein the weight ratio of the solvent to the Chinese herbal medicines is 6: 10;
and step 3: starting the heating device to raise the temperature in the extraction tank to 80-120 ℃, and simultaneously raising the pressure in the extraction tank to 10-200 kg/cm2；
And 4, step 4: extracting for 1 time for 5-10 min;
and 5: starting a high-pressure air pump, blowing the extract liquor in the extraction tank to a collecting device by high-pressure air, blowing the Chinese herbal medicines to a dry state, and simultaneously discharging the high-pressure air from the other end of the extraction tank.
2. The method for rapidly extracting Chinese herbal medicines according to claim 1, which further comprises the following steps 1-1: the Chinese herbal medicine is placed in a cavity formed by a cylindrical pool wall, an upper sealing cover and a lower sealing cover which are detachably connected, and the thickness of the cylindrical pool wall is not less than 10 mm.
3. The method for rapidly extracting Chinese herbal medicines according to claim 2, which further comprises the steps of 1-2: crushing the Chinese herbal medicines into particles, filling the particles into a sealed soft filter bag, and filling special quartz sand in the space above the filter bag.
4. The method for rapidly extracting Chinese herbal medicines according to claim 1, which further comprises the following steps of 2-1: and injecting the pressurized solvent into the cavity after the solvent is uniformly dispersed by a dispersing device, wherein the solvent comprises sterile distilled water.
5. The method for rapidly extracting Chinese herbal medicines according to claim 1, which further comprises the following steps of 3-1: when the temperature in the extraction tank is 110 ℃, the pressure is 120kg/cm2。
6. The method for rapidly extracting Chinese herbal medicines according to claim 1, which further comprises the following steps of 5-1: the air pressure provided by the high-pressure air pump is 3-5 kg/cm2。
7. The method for rapidly extracting Chinese herbal medicines according to claim 6, which further comprises the steps of 5-2: and the extract liquor is collected to a liquid collecting device after residue is filtered by a filtering device arranged at the bottom of the cavity.
8. The method as claimed in any one of claims 1 to 7, wherein the high temperature and high pressure rapid extraction process is intelligently controlled by a computer.
9. The method for rapidly extracting Chinese herbal medicine according to claim 8,
the extraction tank is also connected with an overpressure and over-temperature adjusting and protecting device controlled by a computer and a safety protecting device for air leakage alarm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010602262.0A CN111760325A (en) | 2020-06-29 | 2020-06-29 | Method for quickly extracting Chinese herbal medicine |
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| CN202010602262.0A CN111760325A (en) | 2020-06-29 | 2020-06-29 | Method for quickly extracting Chinese herbal medicine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113150928A (en) * | 2021-04-09 | 2021-07-23 | 唐云祥 | Production method of wine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030096422A1 (en) * | 2001-11-16 | 2003-05-22 | Ong Eng Shi | Pressurized liquid extraction method and apparatus |
| CN1820771A (en) * | 2005-12-14 | 2006-08-23 | 浙江大学 | Method for extracting fat soluble component in Chinese medicine red sage root by subcritical water |
| CN103203117A (en) * | 2013-03-26 | 2013-07-17 | 国家海洋局第三海洋研究所 | Method for extracting substances in microbial fermenting cultures by pressurized solvent |
| CN104083900A (en) * | 2014-07-15 | 2014-10-08 | 广州中大南沙科技创新产业园有限公司 | Method for extracting volatile components from Pandanus amaryllifolius Roxb leaves |
-
2020
- 2020-06-29 CN CN202010602262.0A patent/CN111760325A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030096422A1 (en) * | 2001-11-16 | 2003-05-22 | Ong Eng Shi | Pressurized liquid extraction method and apparatus |
| CN1820771A (en) * | 2005-12-14 | 2006-08-23 | 浙江大学 | Method for extracting fat soluble component in Chinese medicine red sage root by subcritical water |
| CN103203117A (en) * | 2013-03-26 | 2013-07-17 | 国家海洋局第三海洋研究所 | Method for extracting substances in microbial fermenting cultures by pressurized solvent |
| CN104083900A (en) * | 2014-07-15 | 2014-10-08 | 广州中大南沙科技创新产业园有限公司 | Method for extracting volatile components from Pandanus amaryllifolius Roxb leaves |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113150928A (en) * | 2021-04-09 | 2021-07-23 | 唐云祥 | Production method of wine |
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