CN101612487A - The extraction of effective components of Chinese medicinal and concentrator and extraction and method for concentration - Google Patents
The extraction of effective components of Chinese medicinal and concentrator and extraction and method for concentration Download PDFInfo
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- CN101612487A CN101612487A CN200910033213A CN200910033213A CN101612487A CN 101612487 A CN101612487 A CN 101612487A CN 200910033213 A CN200910033213 A CN 200910033213A CN 200910033213 A CN200910033213 A CN 200910033213A CN 101612487 A CN101612487 A CN 101612487A
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Abstract
The present invention relates to the large-scale production equipment of Chinese medicine, specifically is a kind of extraction and concentrator and extraction and method for concentration of the effective components of Chinese medicinal of utilizing solvent that the effective ingredient of Chinese medicine is extracted and extract being concentrated by heating evaporation.This equipment includes extraction element, heater, vaporization chamber and condenser, the outlet of extraction element is connected to the import of heater through flowmeter and solvent concentration tester, the outlet of heater feeds vaporization chamber through playpipe, the solvent steam (vapor) outlet at vaporization chamber top is connected with the inlet of condenser by pipeline, and the inlet of extraction element is led in the outlet of condenser; Described heater only is connected with vaporization chamber by playpipe.Apparatus of the present invention are simple in structure, production efficiency is high, energy consumption is low, stable and reliable operation.
Description
Technical field
The present invention relates to the large-scale production equipment of Chinese medicine, specifically is a kind of extraction and concentrator and extraction and method for concentration of the effective components of Chinese medicinal of utilizing solvent that the effective ingredient of Chinese medicine is extracted and extract being concentrated by heating evaporation.
Background technology
Chinese medicine mostly is plant and is used as medicine, and therefore, the active ingredient of extracting in the plant becomes one of of paramount importance link in the Chinese medicine large-scale production.Along with the research that deepens continuously to extraction process, various novel extracting methods continue to bring out, and have improved the production efficiency and the purity of Chinese medicine.Present domestic most following extracting modes that adopt: dynamic circulation extraction method, supercritical fluid extraction, ultrasonic wave extraction, intelligent Continuous Countercurrent Extraction method, the ultrasound-enhanced extraction method of continuous flow upstream, soxhlet extraction etc., it respectively has characteristics, all can carry out the extraction of active ingredient at a certain class feature or whole Chinese medicines, soxhlet extraction also can extract and concentrate synchronously and carry out.
Existingly utilize solvent that the effective ingredient of Chinese medicine is extracted and generally included extraction element, heater, vaporization chamber and condenser by the equipment that heating evaporation concentrates extract, in extraction element, the effective ingredient in the Chinese medicine is dissolved out the formation extract by solvent, extract carries out inspissation through heater heating back and contracts in vaporization chamber, the solvent of evaporation is again through recycling after the condensation, and the concentrate that remains in simultaneously in the vaporization chamber reenters heater circulate heating, evaporation and concentrated by circulation line again.In this structure, heater adopts calandria structure usually, carrying out along with technical process, the soup degree of depth that flows through comb can be more and more higher, the part pharmaceutical compositions can comb inwall attached to heater on, the efficiency of heating surface is reduced, not only cause equipment energy consumption to improve, also can have a negative impact the stable of whole production technology.
Summary of the invention
Technical problem to be solved by this invention is, provide a kind of simple in structure, production efficiency is high, energy consumption is low, the extraction of the effective components of Chinese medicinal of stable and reliable operation and concentrator and based on the extraction and the method for concentration of this extraction and concentrator
The extraction of effective components of Chinese medicinal of the present invention and concentrator include extraction element, heater, vaporization chamber and condenser, the outlet of extraction element is connected to the import of heater through flowmeter and solvent concentration tester, the outlet of heater feeds vaporization chamber through playpipe, the solvent steam (vapor) outlet at vaporization chamber top is connected with the inlet of condenser by pipeline, and the inlet of extraction element is led in the outlet of condenser; Described heater only is connected with vaporization chamber by playpipe.
The extraction and the method for concentration of the effective components of Chinese medicinal based on above-mentioned equipment of the present invention may further comprise the steps:
A. in extraction equipment, add the solvent (concentration of solvent requires to determine according to the kind of medicinal material and character and known extraction process thereof) of medicinal material and desired concn, be heated to boiling, form the soup that contains effective components of Chinese medicinal;
B. heated soup passes through flowmeter and solvent concentration tester in the extraction equipment, the flow L and the solvent concentration C of the soup that acquisition is flowed through, and soup enters heater and is heated once more;
C. after passing through heater, the solvent of soup and gasification sprays fast and enters vaporization chamber, the solvent of gasification enters condenser from the vaporization chamber top, reenters extraction element and participate in the effective ingredient extraction behind condensation liquefaction, and the unevaporated soup that includes effective constituent is deposited in the vaporization chamber;
D. by control, the solvent in the soup that enters heater is all evaporated to the steam pressure P in flow L described in the above-mentioned steps b and the heater;
E. the solvent concentration C described in the above-mentioned steps b is monitored, the setting value as solvent concentration C is lower than technological requirement then adds drinking water, so that the solvent in the extraction element is kept the concentration of technological requirement in extraction element.
Device and method of the present invention is compared with enrichment facility and method with traditional extraction and is had the following advantages:
1, the soup in the extraction element constantly is ejected in the vaporization chamber through the further heating of firing equipment and vaporizes, Chinese medicine active ingredient is trapped in vaporization chamber, the solvent vaporization to extraction equipment, has guaranteed that the Chinese medicine active ingredient in the extraction element shifts sustainedly and stably through condensing reflux in vaporization chamber;
2, solvent in the extraction equipment and Chinese medicine active ingredient remain the concentration difference of height degree of passing, and Chinese medicine active ingredient can be permeated to solvent fast;
3, the shell and tube heater only is connected with vaporization chamber by playpipe; Compare with conventional method, soup in the vaporization chamber does not recycle and enters heater, the feasible continuous step-down of concentration that enters the soup of heater, heater tubulation tube wall can not cause thermal conductivity factor to reduce because of liquor strength constantly increases, the phenomenon that evaporation capacity constantly reduces has overcome traditional extraction and concentrator and all has been difficult to overcome one's shortcomings;
4, the solvent of disposable adding is low to moderate 40% of the required solvent amount of traditional extraction and enrichment facility and method, and extraction and concentration time can be low to moderate 50% of conventional apparatus and method, and energy resource consumption saves 40%.
Description of drawings
Fig. 1 is the extraction of invention and the structural representation of enrichment facility.
The specific embodiment
Embodiments of the invention extract with dense the effective ingredient of Chinese medicine desmodium in device shown in Figure 1, may further comprise the steps:
1, add medicinal material and solvent ethanol in the extraction element, be heated to and boil, open the valve of heater, concentration of alcohol C=70 degree when making soup flow through solvent concentration tester 1, soup enters heater and carries out Fast Heating;
2, the soup that heats through heater is ejected in the vaporization chamber fast and vaporizes, and the ethanol vaporization enters in the extraction element through the ethanol of 60 ℃ of condenser condenses formation design temperatures, finishes once circulation, and unevaporated soup remains in the vaporization chamber;
3, for keeping concentration of alcohol 70 degree, in running,, add drinking water, make the concentration of alcohol in the extraction element keep the concentration of technology appointment to extraction element according to detected concentration value C;
4, making the flow L of flowmeter 2 is 500 liters/hour, and steam pressure is 0.2MPa in the heater, enters that ethanol all evaporates in the soup of firing equipment;
Steam pressure in the running in the extraction element is 0.1MPa, and extraction element inner liquid medicine temperature is 80 ℃, meets technological requirement.
Claims (2)
1, a kind of extraction of effective components of Chinese medicinal and concentrator, include extraction element, heater, vaporization chamber and condenser, it is characterized in that: the outlet of extraction element is connected to the import of heater through flowmeter (2) and solvent concentration tester (1), the outlet of heater feeds vaporization chamber through playpipe, the solvent steam (vapor) outlet at vaporization chamber top is connected with the inlet of condenser by pipeline, and the inlet of extraction element is led in the outlet of condenser; Described heater only is connected with vaporization chamber by playpipe.
2, a kind of extraction of effective components of Chinese medicinal and method for concentration is characterized in that: this method is carried out on the extraction of the described effective components of Chinese medicinal of claim 1 and concentrator, and it may further comprise the steps,
A. in extraction equipment, add the solvent of medicinal material and desired concn, be heated to boiling, form the soup that contains effective components of Chinese medicinal;
B. heated soup passes through flowmeter (2) and solvent concentration tester (1) in the extraction equipment, the flow L and the solvent concentration C of the soup that acquisition is flowed through, and soup enters heater and is heated once more;
C. after passing through heater, the solvent of soup and gasification sprays fast and enters vaporization chamber, the solvent of gasification enters condenser from the vaporization chamber top, reenters extraction element and participate in the effective ingredient extraction behind condensation liquefaction, and the unevaporated soup that includes effective constituent is deposited in the vaporization chamber;
D. by control, the solvent in the soup that enters heater is all evaporated to the steam pressure P in flow L described in the above-mentioned steps b and the heater;
E. the solvent concentration C described in the above-mentioned steps b is monitored, the setting value as solvent concentration C is lower than technological requirement then adds drinking water, so that the solvent in the extraction element is kept the concentration of technological requirement in extraction element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910033213A CN101612487A (en) | 2009-06-16 | 2009-06-16 | The extraction of effective components of Chinese medicinal and concentrator and extraction and method for concentration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910033213A CN101612487A (en) | 2009-06-16 | 2009-06-16 | The extraction of effective components of Chinese medicinal and concentrator and extraction and method for concentration |
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| CN101612487A true CN101612487A (en) | 2009-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910033213A Pending CN101612487A (en) | 2009-06-16 | 2009-06-16 | The extraction of effective components of Chinese medicinal and concentrator and extraction and method for concentration |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102172438A (en) * | 2011-03-09 | 2011-09-07 | 兰州大学 | Ultrasonic continuous extraction and concentration device for natural medicines |
| CN102784493A (en) * | 2012-08-21 | 2012-11-21 | 无锡市华立石化工程有限公司 | Automatic continuous rosin liquid extraction vessel |
| CN105709456A (en) * | 2016-04-22 | 2016-06-29 | 瑞安市新莱流体设备有限公司 | Ultrasonic hot reflux extraction condensation set |
-
2009
- 2009-06-16 CN CN200910033213A patent/CN101612487A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102172438A (en) * | 2011-03-09 | 2011-09-07 | 兰州大学 | Ultrasonic continuous extraction and concentration device for natural medicines |
| CN102172438B (en) * | 2011-03-09 | 2013-05-15 | 兰州大学 | Ultrasonic continuous extraction and concentration device for natural medicines |
| CN102784493A (en) * | 2012-08-21 | 2012-11-21 | 无锡市华立石化工程有限公司 | Automatic continuous rosin liquid extraction vessel |
| CN105709456A (en) * | 2016-04-22 | 2016-06-29 | 瑞安市新莱流体设备有限公司 | Ultrasonic hot reflux extraction condensation set |
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Open date: 20091230 |