CN1199703C - Microwave extracting device for Chinese medicine - Google Patents
Microwave extracting device for Chinese medicine Download PDFInfo
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- CN1199703C CN1199703C CN 02111640 CN02111640A CN1199703C CN 1199703 C CN1199703 C CN 1199703C CN 02111640 CN02111640 CN 02111640 CN 02111640 A CN02111640 A CN 02111640A CN 1199703 C CN1199703 C CN 1199703C
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Abstract
The present invention relates to an extracting device for extracting effective components of traditional Chinese medicines by microwave induction, which can be used for industrialized production. The microwave extracting device is an extracting tank which is provided with a stirrer, a cooling device and an electric control device; a plurality of microwave power supplies and magnetrons, which are connected with an electric control cabinet, are evenly arranged around the tank body of the extracting tank in certain intervals in a multi-layer mode. The microwave frequency is 2450 MHz, and the adjustable amplitude of the microwave power is from 700 to 100000W. A metallic protecting cover is arranged outside the extracting tank, and a leakage preventing microwave device is arranged on the connecting point of the protecting cover and the extracting tank. The extracting tank can be intermittently or continuously operated; a vertical device or a horizontal device can be adopted specifically. The present invention has the advantages of reasonable device design and high extraction efficiency, and is suitable for various requirements of the extracting technology of traditional Chinese medicines; the present invention also causes the industrialization of microwave extraction to be possible.
Description
Technical field
The present invention relates to the effective components of Chinese medicinal extraction element, be specifically related to a kind of employing microwave-induced extraction effective components of Chinese medicinal, can be applicable to the extraction equipment of suitability for industrialized production.
Background technology
From the countries in the world research trend, microwave power is used and to be in to frontier developing period, and promptly Yan Jiu emphasis turns to a plurality of high-technology fields from traditional heat drying, food processing, becomes a kind of brand-new instrument of research work.It is mainly used: the research of the multiple application of microwave catalysis chemical reaction, the processing of new material microwave processing, microwave gas discharge etc.In addition, microwave electric field can be accelerated rate of dissolution, improves dissolubility, has obtained remarkable effect in the kinds of experiments chamber.With the scientific and normal production of microwave auxiliary extraction method, will be inexorable trend.
Chinese medicine extraction at present is main heater means with steam and electric energy all, utilizes conduction of heat, convection current, heat radiation that heat is at first passed to the surface of heating object, by conduction of heat the heating object central temperature is raise again.So utilize the external heat method extraction Chinese medicine of steam or electric energy heating, its efficient is low, energy consumption is big.
The microwave energy heating then belongs to inner mode of heating, and frequency electromagnetic waves penetrates spe medium, owing to absorbed microwave energy, the temperature of cell interior rises rapidly, makes the pressure of its cell interior surpass the ability that cell wall expands and can bear, and cell must break.Intracellular effective ingredient just freely flows out, and simultaneously, the electromagnetic field that microwave produced has accelerated to be extracted the diffusion rate of medium composition to the extractant interface.So, microwave extracting can be under lower extraction temperature condition the composition in the spe medium fast and effectively.
Microwave-induced extraction can optionally heat target components and make its stripping, thereby shortens extraction time, makes content of effective raising in the extracting solution.The microwave-induced extraction technology is to equal to utilize in 1986 a kind of novel extraction that is born in the sample preparation of microwave energy extract and separate various types of compounds from soil, seed, food, feedstuff by Ganzler.Since it comes out, more and more come into one's own, range of application expands to fields such as bio-pharmaceuticals, food, chemical industry, agricultural from environmental analysis, but is directly used in the research of extracting technique of Chinese medicine and few, does not more see the device that can be applied to suitability for industrialized production.
Summary of the invention
Technical problem to be solved by this invention provides a kind of employing microwave-induced extraction, is applicable to various extracting technique of Chinese medicine requirements, and is reasonable in design, the industrialization extraction equipment that extraction efficiency is high.
Microwave extracting apparatus disclosed by the invention is a kind of extractor with agitator, chiller and electric control gear, tank body circumferentially-spaced certain distance at extractor, the branch multilamellar is equipped with a plurality of microwave power supplys equably and links to each other with magnetron and with electrical control cubicles, microwave frequency is 2450 megahertzes, and the microwave power degree of amplitude modulation is 700-100000W; Extractor is equipped with shelter-clad outward, and the microwave device for preventing leakage is equipped with in protective cover and extractor junction.
Temperature control tube also can be housed in extractor to link to each other with liquid-level probe and with electrical control cubicles.
Extractor of the present invention can carry out batch (-type) or continous way operation, and concrete form can adopt vertical or horizontal type device.When adopting vertical unit, agitator can be selected the conventional blended agitator of suitable solid-liquid for use, as: anchor formula stirring paddle, frame type agitating blade, helical stir oar etc.; When adopting horizontal type device, agitator can be selected spiral propeller for use; The material of above-mentioned two kinds of device agitators can select metal material such as rustless steel for use, or nonmetallic materials are as politef.When using metal material, should install microwave demagnetizer (a kind of device that stops microwave leakage and metal spark phenomenon effectively) additional in rotating shaft place.
Extractor material of the present invention can adopt nonmetal or metal material is made, and nonmetallic materials can be selected politef for use.When tank body adopts metal material, can open a plurality of holes in appropriate location around the tank body, and embed nonmetallic materials, sealed, in this position magnetron is installed, make microwave energy act on spe medium by tank body.
Extractor of the present invention also can be made up of outer jar and interior jar, makes by nonmetallic materials for interior jar, and interior Sheng spe medium, outer jar is the installation magnetron upward.
Microwave device for preventing leakage of the present invention is installed aluminium foil at seam crossing except using shelter-clad, can select demagnetizer for use in rotating shaft place.
Chinese medicine microwave extracting apparatus of the present invention can be realized the adjusting of microwave power according to the scale of extractor, and as experiment type device, microwave power can be at 700～900w; Pilot scale type device can be at 10～20KW; The commercial production type can be more than 30KW.Having solved the current experiments chamber device can only be by the problem of time controlled microwave power.Simultaneously, in apparatus of the present invention, adopted temperature control and level control, can and be below or above at the temperature spot of setting and start automatically when setting liquid level or close the microwave emission, whole extraction process has effectively been controlled.Agitating device is housed in the extractor can make solvent fully contact with spe medium; The reflux condensation mode chiller makes extractor can be fit to the extraction of various organic solvents; Protective cover and microwave device for preventing leakage can effectively stop microwave leakage.
The invention solves the microwave extracting suitability for industrialized production amplification, be heated evenly and the microwave leakage problem, extraction equipment is reasonable in design, applicable to the extraction of kinds of processes condition.
Below in conjunction with embodiment extraction equipment of the present invention is described further.
The specific embodiment
Embodiment 1 batch (-type) (vertical) microwave Chinese medicine extraction equipment
See the profile of Fig. 1 batch (-type) (vertical) microwave Chinese medicine extraction equipment.
Extractor is [1-1], agitator [1-2], microwave power supply and magnetron [1-3], electrical control cubicles [1-4], condensate cooler [1-5], bearing [1-6], protective cover [1-7], temperature probe [1-8], level measurement probe [1-9] among the figure.Wherein extractor [1-1] is made up of the Dump gate [1-1.6] of interior jar [1-1.1], outer jar [1-1.2], batching hole [1-1.3], inlet [1-1.4], exhaust hole [1-1.5], band filtration and leakage fluid dram.Agitator [1-2] is made up of motor [1-2.1], seal receptacle [1-2.2], stirring paddle [1-2.3], demagnetizer [1-2.4].
Being extracted medium (solid) drops in interior jar [1-1.1] by batching hole [1-1.3]; Extractant enters in interior jar [1-1.1] by inlet [1-1.4]; Under stirring paddle [1-2.3] work of agitator [1-2], mix thoroughly; Magnetron [1-3] outside being installed in above jar [1-1.2] (totally 15 are divided three layers and evenly install), inside jar [1-1.1] launching electromagnetic wave under the effect of microwave power supply; Being extracted vapours that medium and extractant accept to produce behind the electromagnetic wave enters condenser [1-5] cooling for reflux by steam vent [1-1.5] or enters cooler [1-5] cooling and reclaim.Medicinal liquid was discharged [1-1.6] back after filtration after extraction finished; Medicinal residues are by Dump gate [1-1.6] discharging.The control knob of electrical control cubicles [1-4] and instrument have realized the controllability of whole extraction process; Demagnetizer [1-2.4] and protective cover [1-7] have effectively stopped electromagnetic-wave leakage.Microwave operation frequency: 2450MHz.Interior jar is used material to be politef.
See the profile of Fig. 2 continous way (horizontal) microwave Chinese medicine extraction equipment.
Extractor among the figure [2-1], material-compound tank [2-2], microwave power supply and magnetron [2-3], electrical control cubicles [2-4], condensate cooler [2-5], bearing [2-6], protective cover [2-7], delivery pump [2-8], seperator [2-9], storage tank [2-10].Wherein extractor [2-1] is made up of tank body [2-1.1], spiral propeller [2-1.2], charging hole [2-1.3], motor and decelerator [2-1.4], exhaust hole [2-1.5], discharging opening [2-1.6], demagnetizer [2-1.7], seal receptacle [2-1.8] etc.
Be extracted the preparation mixing as required in material-compound tank [2-2] of medium and extractant; And enter extractor [2-1] by delivery pump [2-8]; Motor and decelerator [2-1.4] drive spiral propeller [2-1.2] and promote material slowly forward; Simultaneously, be installed in magnetron [2-3] (totally 15) above the tank body [2-1.1] under the effect of microwave power supply in jar launching electromagnetic wave; Being extracted vapours that medium and extractant be subjected to producing behind the electromagnetic wave enters condenser [2-5] cooling for reflux by steam vent [2-1.5] or enters cooler [2-5] cooling and reclaim.The extraction back medicinal liquid that finishes is together discharged with medicinal residues and is separated through seperator [2-9]; Medicinal residues can drop into material-compound tank [2-2] once more and carry out reextraction, and medicinal liquid enters storage tank [2-10] storage temporarily.The control knob of electrical control cubicles [2-4] and instrument have realized the controllability of whole extraction process; Demagnetizer [2-1.7] and protective cover [2-7] have effectively stopped electromagnetic-wave leakage.Microwave operation frequency: 2450MHz.Spiral propeller [2-1.2] uses material to be politef.
Claims (7)
1, a kind of Chinese medicine microwave extracting apparatus, this device is a kind of extractor with agitator, chiller and electric control gear, it is characterized in that the tank body circumferentially-spaced certain distance at extractor, the branch multilamellar is equipped with a plurality of microwave power supplys equably and links to each other with magnetron and with electrical control cubicles; Extractor is equipped with shelter-clad outward, and aluminium foil is installed in protective cover and extractor junction, selects demagnetizer for use in rotating shaft place.
2, a kind of Chinese medicine microwave extracting apparatus as claimed in claim 1 is characterized in that this extraction equipment adopts batch (-type) or continous way operation, and concrete form is vertical or horizontal.
3, a kind of Chinese medicine microwave extracting apparatus as claimed in claim 1 is characterized in that adopting when vertical when this extraction equipment, and agitator is selected the conventional blended agitator of suitable solid-liquid for use; When employing was horizontal, agitator was selected spiral propeller for use; The material of agitator is selected from metal or nonmetal.
4, a kind of Chinese medicine microwave extracting apparatus as claimed in claim 1 is characterized in that this extraction equipment forms by outer jar and interior jar, is made interior Sheng spe medium, outer jar of last installation magnetron for interior jar by nonmetallic materials.
5, a kind of Chinese medicine microwave extracting apparatus as claimed in claim 1 is characterized in that when tank body adopted metal material, a plurality of holes were opened in the appropriate location around tank body, and embeds nonmetallic materials, is sealed, and in this position magnetron is installed.
6, a kind of as each described Chinese medicine microwave extracting apparatus in the claim 3 to 5, it is characterized in that the nonmetallic materials that tank body or stirring are adopted are politef.
7, a kind of Chinese medicine microwave extracting apparatus as claimed in claim 1 is characterized in that being equipped with temperature control tube and links to each other with liquid-level probe and with electrical control cubicles in extractor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02111640 CN1199703C (en) | 2002-05-10 | 2002-05-10 | Microwave extracting device for Chinese medicine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02111640 CN1199703C (en) | 2002-05-10 | 2002-05-10 | Microwave extracting device for Chinese medicine |
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| Publication Number | Publication Date |
|---|---|
| CN1391972A CN1391972A (en) | 2003-01-22 |
| CN1199703C true CN1199703C (en) | 2005-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 02111640 Expired - Fee Related CN1199703C (en) | 2002-05-10 | 2002-05-10 | Microwave extracting device for Chinese medicine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101294879B (en) * | 2007-04-26 | 2011-06-01 | 财团法人食品工业发展研究所 | Microwave accelerating extraction equipment |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100998541B (en) * | 2006-01-09 | 2011-10-26 | 梅亮明 | System for preparing traditional Chinese medicine using microwave |
| CN100479899C (en) * | 2006-12-07 | 2009-04-22 | 华南理工大学 | A continuous microwave solid-liquid extraction device |
| CN101209384B (en) * | 2006-12-26 | 2012-01-04 | 上海屹尧分析仪器有限公司 | Continuous type microwave extracting device |
| CN101850190B (en) * | 2009-04-01 | 2011-12-28 | 郑小非 | Dry microwave extraction device |
| CN113181680A (en) * | 2021-04-27 | 2021-07-30 | 林珠玉 | Extraction proportion blending equipment for preparing new semiconductor material |
| CN115869651B (en) * | 2023-02-13 | 2024-05-03 | 西北农林科技大学 | Solid-liquid extraction system based on radio frequency waves |
-
2002
- 2002-05-10 CN CN 02111640 patent/CN1199703C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101294879B (en) * | 2007-04-26 | 2011-06-01 | 财团法人食品工业发展研究所 | Microwave accelerating extraction equipment |
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| CN1391972A (en) | 2003-01-22 |
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Granted publication date: 20050504 Termination date: 20190510 |