CN2782184Y - Extraction and purification appts. for effective component of plants - Google Patents
Extraction and purification appts. for effective component of plants Download PDFInfo
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- CN2782184Y CN2782184Y CN 200520071316 CN200520071316U CN2782184Y CN 2782184 Y CN2782184 Y CN 2782184Y CN 200520071316 CN200520071316 CN 200520071316 CN 200520071316 U CN200520071316 U CN 200520071316U CN 2782184 Y CN2782184 Y CN 2782184Y
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Abstract
The utility model discloses an extraction and purification apparatus for effective components of plants, which is characterized in that the utility model comprises a percolation apparatus, a countercurrent extraction mechanism and a recovery mechanism, wherein a first solvent inlet is arranged on the lower part of the percolation apparatus, and the top of the percolation apparatus is provided with a plant material inlet and a percolation solvent outlet; the countercurrent extraction mechanism is provided with a solvent inlet for extraction, a second solvent inlet, an extracted raw solvent outlet and a second solvent outlet, wherein the solvent inlet for extraction is communicated with the percolation solvent outlet of the percolation apparatus, the extracted raw solvent outlet of a circulating device of the extracted raw solvent is communicated with the first solvent inlet and the second solvent outlet is communicated with a second solvent recovery apparatus. The utility model realizes continuous percolation extraction. The utility model has the advantages of high extraction speed, high transfer efficiency of effective components, convenient operation and control, labor saving and low control failure resulting from artificial operating differences. When the extraction and purification apparatus of the utility model is used for extracting effective components of plants, the percolation solvent, the second solvent and the third solvent all can be used in a cyclical mode. The quantity of the running solvents can be saved. Moreover, the utility model does not need to be concentrated into thick paste and has lower energy consumption.
Description
Technical field
The utility model relates to a kind of separating extraction device, and especially a kind of being used for has active ingredient to extract the also device of purifying continuously to natural plants.
Background technology
Effective component extracting from natural plants, the method of for example extracting the active skull cap components in the Chinese medicine has solvent method, vapour method and sublimed method etc., the range of application of the two kinds of methods in back is very limited, in most cases be to adopt solvent extraction method, promptly select appropriate solvent that the chemical composition in the Chinese herbal medicine is extracted.Generally speaking, extract solvent and mostly be single solvent, selection is most in line with the similar principle that mixes, impurity content height in the extract, and active constituent content is low, needs separating for several times to improve content after concentrating, the process operation complexity, the active ingredient loss is big.Especially extract the weak polar solvents that adopt than the low pole composition more and extract, though its dissolubility is bigger, leaching process is often consuming time oversize.Because, the leaching process of effective ingredients in plant, be actually and extract solvent the infiltration of plant cell, the dissolving and the process in leaching of active ingredient, the cell membrane of plant is hydrophilic, water soluble ingredient more easily sees through, and liposoluble constituent sees through than difficulty, so the difficult cell membrane that sees through of weak polar solvent, and it is consuming time longer to extract the low pole composition with weak polar solvent; And solvent price height.
Our method is to take the bigger solvent of two or three polarity gap, makes in the medicinal material in continuous two of active ingredient or the impurity to distribute, and obtains the separating effect of good active ingredient.Owing to adopt oozing out continuously and separate mode of continuous flow upstream diacolation and continuous countercurrent extraction, greatly reduce recruitment and labour intensity, simplified operation, primary production active ingredient conversion ratio height, product active constituent content height, quality is good.For this reason, need provide a kind of device that can implement said method.
Summary of the invention
The utility model purpose provides a kind of extraction purification devices of effective ingredients in plant, can extract continuously and abstraction purification, realizes the rapid extraction of effective ingredients in plant.
For achieving the above object, the technical solution adopted in the utility model is: a kind of effective ingredients in plant extracts purification devices, include percolation filter, counter-current extraction mechanism and recovering mechanism, described percolation filter bottom is provided with first solvent inlet, the top is provided with plant material import and percolate outlet, described counter-current extraction mechanism is provided with the extraction inlet that is communicated with the percolate outlet of percolation filter, second solvent inlet, stoste exports after the former liquid circulating device in extract extraction back and extraction that described first solvent inlet is communicated with, and second solvent outlet that is communicated with second solvent recovery unit.
In the technique scheme, the former liquid circulating device in described extract extraction back comprises measuring pump and heat exchanger.
In the technique scheme, described percolation filter and counter-current extraction tower periphery are respectively equipped with the heat exchange cover, and heat exchange puts and is provided with heat transferring medium inlet and heat transferring medium outlet.
Further technical scheme, described counter-current extraction mechanism is a counter-current extraction tower, and the described extraction inlet and second solvent outlet are positioned at the top of counter-current extraction tower, and stoste outlet and second solvent inlet are positioned at the bottom of counter-current extraction tower after the described extraction.
Wherein, the described second solvent inlet pipeline is provided with measuring pump.
Perhaps, described counter-current extraction mechanism is the secondary counter-current extraction tower, described extraction inlet is positioned at the top of first counter-current extraction tower, second solvent outlet is positioned at the top of second counter-current extraction tower, the stoste outlet of extraction back and second solvent inlet are positioned at the bottom of second counter-current extraction tower, bottom and top at first counter-current extraction tower, be respectively equipped with the 3rd solvent inlet and the 3rd solvent outlet, be provided with the extract outlet that is communicated with the second counter-current extraction tower top extract inlet in the bottom of first counter-current extraction tower, be communicated with by the 3rd solvent recovery unit between described the 3rd solvent outlet and the 3rd solvent inlet.
Wherein, be respectively equipped with measuring pump on described second solvent inlet pipeline and the 3rd solvent inlet pipeline.
The using method of this device is, raw material is dropped in the percolation filter, first solvent with certain flow rate after heat exchanger reaches uniform temperature, continuously flow into percolation filter from the percolation filter bottom, the percolation filter of water bath heat preservation carries out continuous diacolation to raw material and extracts, percolate flows out from the percolation filter top exit continuously, enter counter-current extraction tower and second solvent carries out the two-phase continuous dispensing, active ingredient is transferred in second solvent (when adopting the secondary counter-current extraction tower, after earlier transferring to a part of impurity in the 3rd solvent, extract enters second counter-current extraction tower again, active ingredient is transferred in second solvent), first solvent recycled that flows out enters percolation filter through heat exchanger and forms circulation, and second solvent after the extraction enters solvent recovery unit, active ingredient is concentrated, cooling, crystallization or vacuum drying obtain product, and second solvent of recovery then enters extraction tower continuously and forms solvent circulation.
Because the technique scheme utilization, the utility model compared with prior art has following advantage:
1. because the utility model, has realized that continuous diacolation extracts by the combination to percolation filter and counter-current extraction mechanism, extraction rate is fast, active ingredient rate of transform height;
2. when adopting extraction purification devices of the present utility model to carry out the effective ingredients in plant extraction, percolate, second solvent and the 3rd solvent all can recycle, and the operation quantity of solvent is economized, and do not need to separate again through concentrating thick paste, the saving energy, the active ingredient loss is little, the product purity height;
3. this device can be controlled flow velocity by measuring pump, and operation control is convenient, and recruitment economizes, and reduces the control failure cost that the manual operation deviation causes.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model embodiment one;
Accompanying drawing 2 is the structural representation of the utility model embodiment two.
Wherein: [1], percolation filter; [2], counter-current extraction tower; [3], first solvent inlet; [4], plant material import; [5], percolate outlet; [6], extraction inlet; [7], second solvent outlet; [8], second solvent inlet; [9], extraction back stoste outlet; [10], measuring pump; [11], heat exchanger; [12], non-conservation tank; [13], the second solvent measuring pump; [14], measuring tank; [15], the first solvent measuring pump; [16], shell and tube condenser; [17], coil pipe type cooler; [18], first counter-current extraction tower; [19], second counter-current extraction tower; [20], the 3rd solvent measuring pump.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment one: shown in accompanying drawing 1, a kind of effective ingredients in plant extracts purification devices, include percolation filter 1, counter-current extraction tower 2 and recovering mechanism, described percolation filter 1 bottom is provided with first solvent inlet 3, the top is provided with plant material import 4 and percolate outlet 5, described counter-current extraction tower 2 tops are provided with the percolate outlet 5 extraction inlets 6 that are communicated with percolation filter, second solvent outlet 7 that is communicated with second solvent recovery unit, the bottom is provided with second solvent inlet 8, stoste exports 9 after the former liquid circulating device in extract extraction back and extraction that described first solvent inlet 3 is communicated with.Described percolation filter 1 and counter-current extraction tower 2 peripheries are respectively equipped with the heat exchange cover, and heat exchange puts and is provided with heat transferring medium inlet and heat transferring medium outlet.
In the present embodiment, the former liquid circulating device in described extraction back comprises measuring pump 10 and heat exchanger 11, the stoste outlet 9 of extraction back is connected to heat exchanger 11 tube sides inlet through measuring pump 10, and the outlet of heat exchanger 11 tube sides is connected to first solvent inlet 3 of percolation filter, and circulation has heat transferring medium in the shell side of heat exchanger.Described second solvent recovery unit (not drawing among the figure) is communicated to second solvent inlet 8 of counter-current extraction tower 2 through non-conservation tank 12, the second solvent measuring pump 13.
In the present embodiment, the measuring tank 14 of depositing first solvent can also be set, measuring tank 14 is communicated to the extraction inlet 6 of counter-current extraction tower 2 through the first solvent measuring pump 15.Be communicated with first solvent recovery unit at percolation filter 1 top, described first solvent recovery unit comprises shell and tube condenser 16 and coil pipe type cooler 17.
During use, raw material is dropped in the percolation filter, first solvent injects counter-current extraction tower by extracting out in the first solvent measuring pump self-measuring jar, flow out by stoste outlet after the extraction of bottom, after the heat exchanger heating, continuously flow into percolation filter from the percolation filter bottom, after circulation formation, stop the first solvent measuring pump, first solvent circulates between percolation filter and counter-current extraction tower continuously, raw material is carried out continuous diacolation extract; Second solvent then circulates between the counter-current extraction tower and second solvent recovery unit, in counter-current extraction tower, meet with first solvent, active ingredient is transferred in second solvent, and in retracting device with second separated from solvent (concentrate, cooling, crystallization or vacuum drying), enter in the counter-current extraction tower again through the non-conservation tank and the second solvent measuring pump.
Embodiment two: shown in accompanying drawing 2, a kind of effective ingredients in plant extracts purification devices, and counter-current extraction mechanism wherein is the secondary counter-current extraction tower, and remainder is identical with embodiment one.
In the described secondary counter-current extraction tower, the extraction inlet and second solvent outlet are positioned at the top of first counter-current extraction tower 18, second solvent outlet is positioned at the top of second counter-current extraction tower 19, the stoste outlet of extraction back and second solvent inlet are positioned at the bottom of second counter-current extraction tower, bottom and top at first counter-current extraction tower, be respectively equipped with the 3rd solvent inlet and the 3rd solvent outlet, be provided with the extract outlet that is communicated with the second counter-current extraction tower top extract inlet in the bottom of first counter-current extraction tower, be communicated with by the 3rd solvent recovery unit between described the 3rd solvent outlet and the 3rd solvent inlet.Be respectively equipped with the second solvent measuring pump and the 3rd solvent measuring pump 20 on described second solvent inlet pipeline and the 3rd solvent inlet pipeline.
The application example of present embodiment: the extraction of qinghaosu.
Artemisia leaf is dropped in the percolation filter, is first solvent with 65% ethanol, and circulatory displacement is the 3rd solvent with benzinum continuously, carry out first order extraction and slough wax, and be second solvent with the petroleum ether-ethyl acetate system again, extracting artemisine.The artemislnin content that extracts reaches about 90%, and effective component extraction rate reaches 95%, only needs can obtain qualified products through recrystallization again.
Claims (7)
1. an effective ingredients in plant extracts purification devices, it is characterized in that: include percolation filter [1], counter-current extraction mechanism and recovering mechanism, described percolation filter [1] bottom is provided with first solvent inlet [3], the top is provided with plant material import [4] and percolate outlet [5], described counter-current extraction mechanism is provided with the extraction inlet [6] that is communicated with the percolate outlet of percolation filter [1], second solvent inlet [8], stoste exports [9] after the former liquid circulating device in extract extraction back and extraction that described first solvent inlet is communicated with, and second solvent outlet [7] that is communicated with second solvent recovery unit.
2. extraction purification devices according to claim 1 is characterized in that: the former liquid circulating device in described extract extraction back comprises measuring pump [10] and heat exchanger [11].
3. according to claim 1 or 2 described extraction purification devices, it is characterized in that: described percolation filter and counter-current extraction tower periphery are respectively equipped with the heat exchange cover, and heat exchange puts and is provided with heat transferring medium inlet and heat transferring medium outlet.
4. extraction purification devices according to claim 1, it is characterized in that: described counter-current extraction mechanism is counter-current extraction tower [2], the described extraction inlet and second solvent outlet are positioned at the top of counter-current extraction tower, and the stoste outlet and second solvent inlet are positioned at the bottom of counter-current extraction tower after the described extraction.
5. extraction purification devices according to claim 4 is characterized in that: the described second solvent inlet pipeline is provided with measuring pump [10].
6. extraction purification devices according to claim 1, it is characterized in that: described counter-current extraction mechanism is the secondary counter-current extraction tower, described extraction inlet is positioned at the top of first counter-current extraction tower [18], second solvent outlet is positioned at the top of second counter-current extraction tower [19], the stoste outlet and second solvent inlet are positioned at the bottom of second counter-current extraction tower behind the single extraction, bottom and top at first counter-current extraction tower, be respectively equipped with the 3rd solvent inlet and the 3rd solvent outlet, be provided with the extract outlet that is communicated with the second counter-current extraction tower top extract inlet in the bottom of first counter-current extraction tower, be communicated with by the 3rd solvent recovery unit between described the 3rd solvent outlet and the 3rd solvent inlet.
7. extraction purification devices according to claim 6 is characterized in that: be respectively equipped with measuring pump on described second solvent inlet pipeline and the 3rd solvent inlet pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520071316 CN2782184Y (en) | 2005-04-30 | 2005-04-30 | Extraction and purification appts. for effective component of plants |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520071316 CN2782184Y (en) | 2005-04-30 | 2005-04-30 | Extraction and purification appts. for effective component of plants |
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| CN2782184Y true CN2782184Y (en) | 2006-05-24 |
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| CN 200520071316 Expired - Fee Related CN2782184Y (en) | 2005-04-30 | 2005-04-30 | Extraction and purification appts. for effective component of plants |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100434134C (en) * | 2006-11-07 | 2008-11-19 | 苏州市兴科现代中药工艺装备开发有限公司 | Process of extracting and separating effective components from plant continuously |
| CN105194901A (en) * | 2014-05-28 | 2015-12-30 | 吴光平 | Plant active component extraction method |
-
2005
- 2005-04-30 CN CN 200520071316 patent/CN2782184Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100434134C (en) * | 2006-11-07 | 2008-11-19 | 苏州市兴科现代中药工艺装备开发有限公司 | Process of extracting and separating effective components from plant continuously |
| CN105194901A (en) * | 2014-05-28 | 2015-12-30 | 吴光平 | Plant active component extraction method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060524 Termination date: 20110430 |