CN100475303C - Continuously extracting pipeline type microwave equipment - Google Patents
Continuously extracting pipeline type microwave equipment Download PDFInfo
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- CN100475303C CN100475303C CNB2006101383590A CN200610138359A CN100475303C CN 100475303 C CN100475303 C CN 100475303C CN B2006101383590 A CNB2006101383590 A CN B2006101383590A CN 200610138359 A CN200610138359 A CN 200610138359A CN 100475303 C CN100475303 C CN 100475303C
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Abstract
The continuously extracting pipeline type microwave equipment includes two soaking tanks, automatic control valves, frequency varying speed regulating screw pump, microwave extracting device, centrifugal separator, liquid level sensor, temperature sensor and computer connected together. The present invention has the advantages of saving in energy source, low in material consumption, no environment pollution, automatic operation and other advantages.
Description
Technical field
The present invention relates to be applied to the extraction equipment of the effective ingredients in plant in Chinese medicine, the food production.
Background technology
At present, domestic traditional Chinese medicine extraction technology and equipment are backward relatively, and generally the extraction process of Cai Yonging has the extraction of decoction, circulating reflux extraction, diacolation extraction, the extraction of adverse current jar group etc.These technologies mostly are to finish leaching in closed cell, carrying out along with leaching process, leachate concentration strengthens, the inner concentration of material reduces, the speed that leaches slows down, and progressively reach poised state, have in this case that recovery rate is low, the medicinal material waste is big, extraction time is long, the fluid coefficient is big, subsequent treatment is difficult, energy consumption is big, shortcomings such as cost is high, complicated operation, working condition difference.And domestic nearest release pot type Microwave Extraction device, to a certain degree but decline Microwave Extraction production line microwave installed power is big, manufacture difficulty is higher though energy consumption has, extract production line operation in batches, reinforced, feed liquor, fluid, non-cutting time such as slag tap are longer, reduce the utilization rate of complete machine, still failed fundamentally to reverse this inferior position.
Summary of the invention
The purpose of this invention is to provide a kind of continuously extracting pipeline type microwave equipment, with solve Chinese medicine traditional extraction technique extraction time long, energy consumption is high, can only batch job etc. shortcoming.
The structure of continuously extracting pipeline type microwave equipment of the present invention comprises: two steeping tanks, several two autocontrol valves, frequency conversion timing screw pump, Microwave Extraction device, centrifugal separator, liquid level sensor and temperature sensor and computers; Described continuously extracting pipeline type microwave equipment, described Microwave Extraction device comprises: the confession of installing in several magnetrons, microwave resonance case and the casing is by the polyfluortetraethylene pipe of mixed liquor, and described magnetron is installed in respectively in the excitation cavity on the microwave resonance case; Described steeping tank is connected with frequency conversion timing screw pump by an autocontrol valve separately, the screw pump outlet is connected with the import of Microwave Extraction device, the outlet of Microwave Extraction device is divided into three the tunnel, the autocontrol valve of leading up to is received centrifugal separator behind the door, and two-way is connected with steeping tank behind the door by an autocontrol valve separately in addition; Described steeping tank is provided with liquid level sensor and temperature sensor, and the import and export pipeline place of Microwave Extraction device is provided with temperature sensor; The Computer signal collection terminal is connected with the data output end of each liquid level sensor and temperature sensor, and the valve switch control signal end of computer is connected with each autocontrol valve; The frequency conversion timing screw pump speed controling signal end of computer is connected with the rotating speed control end of frequency conversion timing screw pump.
The present invention has following beneficial effect:
1) energy savings
The heat system that Microwave Extraction produced is from the internal heat effect of polar molecule inside, no thermal resistance, thermal diffusion is consistent with the molecular diffusion travel direction, so firing rate is fast, the time is short, solute and solvent be quick permeation each other, the general 30s-1min (referring to the time of medicinal material by the Microwave Extraction device) that only needs of extraction time extracts temperature and only needs 60～70 ℃, and tradition is extracted temperature needs 100 ℃, take 8～10Hr, pipeline type microwave extracts the 10-20% that energy consumption is only extracted for tradition continuously.
2) reduce material consumption
The required solvent of the continuous extraction of pipeline type microwave is 6～8 times of medicinal material amount, and defecation, tradition is extracted then and is needed 16～20 times, especially organic solvent also needs a cover solvent reclaimer, with the time that increases the recovery solvent, it only is 30%～40% of tradition extraction that pipeline type microwave extracts required solvent continuously, both reduced solvent consumption, reduce again and concentrate the energy that is consumed, because the penetrability of microwave makes the active principle in the string change solvent rapidly over to, thereby improve the rate of transform greatly, measure according to one's analysis, can improve recovery rate 30-70%, make full use of limited herb resource and produce more products.Significantly reduce the pollution of organic solvent simultaneously.
3) environmental friendliness
The organic solvent consumption reduces the raising with the medicinal material utilization rate, also reduce the dregs of a decoction and contain organic solvent discharged waste water, pipeline type microwave extracts equipment feasible system closed-loop operation continuously, can reduce harmful gas concentration greatly in the air, prevent pollution to environment, be convenient to carry out programming Control again, and extract temperature between 60-70 ℃, avoid tradition to extract the hot and humid anxiety of production environment.Because of taking multinomial frequency to cover measure.Make the microwave amount of leakage be significantly smaller than country and international safety standard.
4) how of fine quality amount is
Pipeline type microwave extract continuously have the selectivity heating and temperature relatively low, no thermograde, and the active ingredient in the plant glandular cell is because of cell wall rupture leaches, unlike tradition extract Yin Gaowen and decompose in a large number, destruction, so rate of transform height, quality are good.
5) good in economic efficiency
Because energy consumption reduces, material consumption reduces, and the production cycle shortens, and utilization rate of equipment and installations improves, and then the operating cost of product reduces, and yield improves, good product purity, creates out and out economic benefit to enterprise.
6) operation automation
The speed governing of rotating speed variable ratio frequency changer, controls all able to programme such as temperature, pressure, flow, power density, it is very convenient to operate, and reduces labor intensity greatly, improves working environment.
Description of drawings
Fig. 1 is the structural representation of continuously extracting pipeline type microwave equipment of the present invention.
Fig. 2 is the Microwave Extraction apparatus structure schematic diagram of continuously extracting pipeline type microwave equipment of the present invention.
Fig. 3 is the vertical view of Fig. 2.
Fig. 4 is the cutaway view along the A-A direction of Fig. 3.
Fig. 5 is another structure embodiment schematic diagram of the Microwave Extraction device of continuously extracting pipeline type microwave equipment of the present invention.
Fig. 6 is the profile along the B-B direction of Fig. 5.
The specific embodiment
The technical solution adopted in the present invention, can be referring to described structure of Fig. 1 and principle: two steeping tanks be connected with frequency conversion timing screw pump by an autocontrol valve separately.The screw pump outlet is connected with the import of pipeline type microwave extraction element.Pipeline type microwave extraction element outlet is divided into three the tunnel, leads up to receive centrifugal separator behind the automatic valve, and two-way is connected with steeping tank by behind an automatic valve separately in addition.Industrial computer is gathered the data of each liquid level sensor and temperature sensor, the switch of by-pass valve control and the rotating speed of frequency conversion timing screw pump.Two steeping tanks all drop into medicinal material and solvent when starting working, 1# valve and 6# valve open after immersion a period of time, and screw pump is sent the medicinal material of 1# steeping tank into the pipeline type microwave extraction element.Its cell tissue constantly absorbs microwave energy during medicinal material process pipeline type microwave extraction element, and temperature rises rapidly, and cell expansion breaks, and active ingredient flows out and is dissolved in the solvent.Industrial computer is controlled the rotating speed of frequency conversion timing screw pump by the data that compare pipeline type microwave extraction element import and outlet temperature sensor, thereby regulates the time of mixed liquor by the pipeline type microwave extraction element, to reach best extraction effect.Empty when detecting the 1# steeping tank, industrial computer is opened the 3# valve, closes the 1# valve, and the 2# steeping tank begins to extract, and the 1# steeping tank drops into medicinal material once more and soaks.So continuous circulation realizes full-automatic extraction continuously.Its active ingredient flows into holding vessel after separating by centrifuge.
In Fig. 1, the 1.1# steeping tank; 2.1# automatic valve; 3.1# liquid level sensor; 4.1# temperature sensor; 5.2# steeping tank; 6.3# automatic valve; 7.2# liquid level sensor; 8. frequency conversion timing screw pump; 9.2# temperature sensor; 10. man-machine interface; 11. electric cabinet; 12. pipeline type microwave extraction element; 13.6# automatic valve; 14. dregs of a decoction cleaning car; 15. holding vessel; 16. centrifugal separator; 17.5# automatic valve; 18.4# temperature sensor; 19.3# temperature sensor; 20.4# automatic valve; 21.2# stirring motor; 22.2# automatic valve; 23.1# stirring motor.
In Fig. 2 to Fig. 4, the 12-1. magnetron; 12-2. screw; 12-3. excitation cavity; 12-4. screw; 12-5. stainless steel microwave resonance case; 12-6. polyfluortetraethylene pipe; 12-7. stainless steel tube; 12-8. stainless steel joint for pipeline; 12-9. stainless steel joint for pipeline; 12-10. stainless steel tube elbow; 12-11. stainless steel joint for pipeline; 12-12. stainless steel joint for pipeline; 12-13. stainless steel tube; 12-14. silicone rubber O-ring; 12-15. polyfluortetraethylene plate.
In Fig. 5, Fig. 6, the 12-1. magnetron; 12-3. excitation cavity; 12-2. mounting screw; 12-7. stainless steel joint for pipeline; 12-6. polyfluortetraethylene pipe; 12-5. stainless steel microwave resonance case; 12-15. polyfluortetraethylene plate.
Embodiment 1:2.4KW micro-tube formula microwave continuous extraction equipment
Its installation diagram such as Fig. 1, its core component (pipeline type microwave extraction element) is as Fig. 2 to Fig. 4.Magnetron is selected the air-cooled magnetron of PANASONIC 2M167 type for use, and single tube output microwave power is 850W.Fig. 2 is three groups of magnetron input microwaves to Microwave Extraction device shown in Figure 4, and general power is 2.55KW.The power on/off control of magnetron is by Industrial Computer Control.The size of microwave resonance case is through meticulous design, and resonance takes place in case the microwave of input.Two polyfluortetraethylene pipes are contained in the case as shown in the figure.Absorb microwave when mixed liquor passes through polyfluortetraethylene pipe, finish the extraction of active ingredient.Steeping tank 1 and 5 volumes are 40L.
Steeping tank 1 is connected with frequency conversion timing screw pump 8 with 6 by autocontrol valve 2 respectively with 5.Screw pump 8 outlets (see that Fig. 2-Fig. 4) import is connected with pipeline type microwave extraction element 12.Pipeline type microwave extraction element 12 outlet is divided into three the tunnel, leads up to receive centrifugal separator 16 behind the automatic valve 13, and two-way is connected with steeping tank by behind an automatic valve separately in addition.Industrial computer is gathered the data of each liquid level sensor and temperature sensor, the on off state of by-pass valve control and the rotating speed of frequency conversion timing screw pump.Two steeping tanks 1 and 5 all drop into medicinal material and the solvents after pulverizing when starting working, and soak a period of time late gate 2 and valve 13 and open, and screw pump 8 is sent the medicinal material of steeping tank 1 into pipeline type microwave extraction element 12.During medicinal material process pipeline type microwave extraction element, its cell tissue constantly absorbs microwave energy, and temperature rises rapidly, and cell expansion breaks, and active ingredient flows out and is dissolved in the solvent.Temperature sensor 19 and 18 the data rotating speed of controlling frequency conversion timing screw pump of industrial computer by relatively pipeline type microwave extraction element import and outlet, thereby regulate the time of mixed liquor, to reach best extraction effect by the pipeline type microwave extraction element.Empty when detecting steeping tank 1, industrial computer is opened valve 6, valve-off 2, and steeping tank 5 beginning feedings, steeping tank 1 drops into medicinal material once more and soaks.So continuous circulation realizes full-automatic extraction continuously.Its active ingredient flows into holding vessel 15 after separating by centrifuge.
Embodiment 2:12KW small pipeline formula microwave continuous extraction equipment
Its installation diagram such as Fig. 1, its core component (pipeline type microwave extraction element) is as Fig. 5,6.Three magnetrons are installed on the microwave resonance case, and general power is 2.55KW.A polyfluortetraethylene pipe is installed in the case as shown in the figure, is absorbed microwave when mixed liquor passes through polyfluortetraethylene pipe, finish the extraction of active ingredient.Other structure is the same with example 1 with principle, and just the steeping tank volume is 500L, and the Microwave Extraction device is that 5 as Fig. 5,6 parts are connected in series and form.The microwave general power is 12KW like this.The output of its unit interval is 5 times of 2.4KW type.
Embodiment 3:24KW large-scale pipeline formula microwave continuous extraction equipment
Its installation diagram such as Fig. 1, its core component (pipeline type microwave extraction element) is as Fig. 5,6.Its structure is the same with example 1 with principle, and just the steeping tank volume is 1000L, and the Microwave Extraction device is that 10 as Fig. 5,6 parts are connected in series and form.The microwave general power is 24KW like this.The output of its unit interval is 10 times of 2.4KW type.
Microwave heating principle and characteristics:
The principle of heating using microwave is based on microwave and matter interaction and the fuel factor that produces.Material can be divided into conductor and medium by its electrical property. the good conductor microwave reflection, can not use heating using microwave. and good medium seldom absorbs microwave, can not use heating using microwave.What can heat with microwave is some absorbing mediums that can absorb microwave, comprises many solids, liquids and gases.
Most solid or liquid-absorbent medium are meant that a class contains the dielectric material of more polar molecule.Though the electric weight that polar molecule has is neutral, because the position of centre of gravity of negative electricity and positive electric weight does not overlap.Formed dipole. usually because the random motion of molecule, the arrangement of these molecules is not in good order but mixed and disorderly, and all directions have, and the time be engraved in variation, molecular polarity is cancelled each other, and does not present the polarity of macroscopic view.When External Electrical Field, polar molecule will be along external electric field direction formation orderly arrangement to a certain degree; When external electric field disappeared, they were returned to original disordered state again.If electric field is an alternation, polar molecule will swing back and forth and adjacent molecule generation friction and generation heat.Hydrone is a polar molecule, and energy strong absorption microwave so hydrous material generally all is an absorbing medium, can heat with microwave.
Extraction principle based on heating using microwave:
After interacting, microwave and Chinese medicine produce fuel factor and chemical effect.Frequency electromagnetic waves penetrates the extraction medium, and temperature rose rapidly after the crude drug cell tissue absorbed microwave energy, and cell expansion breaks, and impels the extracellular solvent to enter in the cell, or active ingredient flows out in cell, and active ingredient is dissolved in the solvent.In the electromagnetic field of high frequency, the polar molecule thermal agitation increases dissolution velocity greatly simultaneously.
Claims (1)
1, a kind of continuously extracting pipeline type microwave equipment is characterized in that its structure comprises: two steeping tanks, several autocontrol valves, frequency conversion timing screw pump, Microwave Extraction device, centrifugal separator, liquid level sensor and temperature sensor and industrial computers; Described Microwave Extraction device comprises the confession of installing in several magnetrons, microwave resonance case and the casing polyfluortetraethylene pipe by mixed liquor, and described magnetron is installed in respectively in the excitation cavity on the microwave resonance case; Described steeping tank is connected with frequency conversion timing screw pump by an autocontrol valve separately, the screw pump outlet is connected with the import of Microwave Extraction device, the outlet of Microwave Extraction device is divided into three the tunnel, the autocontrol valve of leading up to is received centrifugal separator behind the door, and two-way is connected with steeping tank behind the door by an autocontrol valve separately in addition; Described steeping tank is provided with liquid level sensor and temperature sensor, and the import and export pipeline place of Microwave Extraction device is provided with temperature sensor; Industrial computer signals collecting end is connected with the data output end of each liquid level sensor and temperature sensor, and the valve switch control signal end of computer is connected with each autocontrol valve; The frequency conversion timing screw pump speed controling signal end of computer is connected with the rotating speed control end of frequency conversion timing screw pump.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101383590A CN100475303C (en) | 2006-11-09 | 2006-11-09 | Continuously extracting pipeline type microwave equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101383590A CN100475303C (en) | 2006-11-09 | 2006-11-09 | Continuously extracting pipeline type microwave equipment |
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| Publication Number | Publication Date |
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| CN101020126A CN101020126A (en) | 2007-08-22 |
| CN100475303C true CN100475303C (en) | 2009-04-08 |
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| CNB2006101383590A Expired - Fee Related CN100475303C (en) | 2006-11-09 | 2006-11-09 | Continuously extracting pipeline type microwave equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9656234B2 (en) | 2012-05-15 | 2017-05-23 | Exploiter Molybdenum Co., Ltd. | Industrial microwave ultrasonic reactor chemical leaching method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3032891A1 (en) * | 2015-01-14 | 2016-08-26 | Erpim | DEVICE AND METHOD FOR ASSISTED EXTRACTION OF PRODUCT ASSETS |
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2006
- 2006-11-09 CN CNB2006101383590A patent/CN100475303C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9656234B2 (en) | 2012-05-15 | 2017-05-23 | Exploiter Molybdenum Co., Ltd. | Industrial microwave ultrasonic reactor chemical leaching method |
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| CN101020126A (en) | 2007-08-22 |
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Granted publication date: 20090408 Termination date: 20131109 |