CN104548654A - Multi-level spiral type continuous countercurrent leaching device - Google Patents
Multi-level spiral type continuous countercurrent leaching device Download PDFInfo
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- CN104548654A CN104548654A CN201310503945.0A CN201310503945A CN104548654A CN 104548654 A CN104548654 A CN 104548654A CN 201310503945 A CN201310503945 A CN 201310503945A CN 104548654 A CN104548654 A CN 104548654A
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Abstract
The invention relates to a multi-level spiral type continuous countercurrent leaching device for leaching effective ingredients of natural products (in particular Chinese herbal medicines), belongs to the technical field of extracting of traditional Chinese medicines, and aims at overcoming the shortage of incomplete non-level solid-liquid separation or level based solid-liquid separation in the prior art. The device is characterized in that material conveying ends and input ends between a plurality of closed trough sections equipped with heating parts and/ or ultrasonic parts are connected through an inclined tapered spiral conveying and extruding machine to enable the plurality of closed trough sections to be communicated in parallel in an end-to-end and roundabout manner; a solvent or a solution which backflows relative to materials is communicated through a liquid conveying pipe with level difference, and therefore, the leaching liquid at each level can be completely separated from the medicinal materials to the maximum; compared with the prior art, the device has the advantage that the leaching rate and yield are obviously increased on the premise that the energy is saved and the consumption is decreased.
Description
Technical field:
The present invention relates to a kind of multistage spiral continuous countercurrent leaching device that active ingredient in natural products (especially Chinese medicine) is leached, belong to technical field of extraction of Chinese traditional medicine.
Background technology:
Under heating and/or ul-trasonic irradiation, multiple stage continuous adverse current extract technology improves leaching rate, yield and quality, energy-saving consumption-reducing, reduces the effective way of operating cost.In leaching process, the completeness of every grade of Separation of Solid and Liquid is very important.After every grade of leaching completes, the ratio of this active ingredient amount in the active ingredient amount in spice and leachate, has material impact to leaching yield.If after leaching, Separation of Solid and Liquid is not thorough, can affect this ratio, thus affect yield.Just certain upper level active ingredient concentration has been had after the fresh solvent that separation thoroughly also can not make rear stage add or solution have just contacted medicinal material, to liquid-solid equilibria to leach direction movement or the increase of leaching rate is all disadvantageous, therefore, after every one-level has leached, the leachate of every one-level should be allowed to be separated completely as much as possible with medicinal material.
Several extractors are adopted to form the multilevel counter-flow extraction technique of " adverse current tank group " by producer, can limited raising yield.But still be static intermittently operated, after every one-level has leached, will give long time and be separated with medicinal material to make leachate as far as possible when releasing leachate, both also separation consuming time was incomplete for this.The patent No. be 002119080.X patent discloses a kind of spiral continuous countercurrent leaching device with heater and/or ultrasonic wave component, arrangement form is the horizontal head and the tail serial connection in one line of several sections of trough, the conveyor screw of trough is only promoted by a driving mechanism, the major axis of serial connection is subject to compression, is obstructed if run, major axis because of compression is excessive will " rod member unstability ", cause bending, even fracture, and complete machine is long to workshop layout, unfavorable to operating, cleaning, keep in repair.Though it is better that this dynamic countercurrent leaches relative efficacy, form although be connected in series by more piece trough, but technique is still one-level continuous reverse flow leaching, there is no Separation of Solid and Liquid program therebetween, there is back-mixing (namely in leaching process, the leachate of different levels variable concentrations mixes mutually), back-mixing can affect the raising of leaching effect.
Summary of the invention:
The object of this invention is to provide a kind of at apparatus arrangement, technique and more scientific rational multistage spiral continuous countercurrent leaching device economically, not only every grade of continuous reverse flow leaching process is under appropriate temperature conditions, create and keep improving leaching rate in concentration difference, and the leachate of every grade of inter-stage reaches with medicinal material and is separated completely as much as possible, the height obtaining high-quality active ingredient in energy-saving and cost-reducing leaches yield.
The object of the invention is to be reached by following measure, comprise one end and there is loader and tap hole, the other end has the trough of slag-discharging device and inlet formation, arrange in trough connect driving mechanism axle on there is the conveyor screw of porous helical blade, trough outside has heating jacket and/or ultrasonic wave component, particularly, several sections of trough parallel shape is set up in parallel, between trough, mass transport end and material input hold concurrently extruder by taking over and supplying by the skewed helical feed with conical shell, discharge gate is connected, several sections of trough is made to form the roundabout connection of parallel shape head and the tail, and, be communicated with by the liquid-transport pipe-line of the high head gravity flow with liquid level difference between several sections of trough, be integrally formed the multistage spiral continuous countercurrent leaching device of interlock.
For the deficiency of stepless Separation of Solid and Liquid in prior art or the aspect such as inter-stage Separation of Solid and Liquid is not thorough, after adopting structure of the present invention, because trough outside is provided with heating jacket and/or ultrasonic wave component, at cavitation effect, under fuel factor effect, crude drug cell wall rapid disruption, cause the active ingredient in solvent acceleration infiltration and dissolved cell, continuous reverse flow leaching process is under constantly creating and keeping the advantages such as Cmax difference, add the mass transfer force of leaching, Dynamic Leaching makes diffusion boundary layer thin and updating decision, thus leach resistance to mass tranfer to reduce, thus improve leaching rate, again because mass transport end between several sections of trough is communicated with confession, discharge gate by taking over by extruder of holding concurrently in the skewed helical feed with the conical shell of extruded member with material input, the leachate liquid-transport pipe-line of the high head gravity flow of liquid level difference is provided with between several sections of trough, so just make this one-level leachate of being extruded can from refluxing this one-level trough in skewed cone housing, like this, the material active ingredient that this one-level leaches also is left in the leachate of this one-level.At different levels like this successively, allow the leachate of every grade be separated completely as much as possible with medicinal material, only allow the immersed material appeared enter next stage, the leachate of next stage flow into upper level, namely allows the material active ingredient leached flow into next stage less as far as possible.Like this, what just one-level just can be made to flow out is the leachate that active ingredient obtains fully leaching, and what last one-level was discharged is hardly containing the material slag of active ingredient.If every one-level only calculates by the leaching yield of 70%, so second level yield can reach 91%, and the third level can reach 97.3%, and increase progression, yield is higher.Compared to prior art, there is significant beneficial effect.
Accompanying drawing explanation
Fig. 1 is the front view of multistage spiral continuous countercurrent leaching device of the present invention first detailed description of the invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is A-A sectional view in Fig. 1;
Fig. 4 is B-B sectional view in Fig. 1;
Fig. 5 is C-C sectional view in Fig. 1;
Fig. 6 is D-D sectional view in Fig. 1.
Detailed description of the invention:
Fig. 1, the multistage spiral continuous countercurrent leaching device shown in 2,3, it comprises one end and has loader 15 and tap hole 14, and the other end has the slag-discharging device 7,2 of squeeze function and the several sections of troughs of inlet 6.Arrange in trough 1 connect driving mechanism axle 11 on there is the conveyor screw 10 that porous helical blade 12 forms, trough 1 outside has heating jacket and/or ultrasonic wave component 13, several sections of trough 1 parallel shape is set up in parallel, between adjacent trough mass transport end and material input by extruder 2 of holding concurrently in the skewed helical feed with conical shell by adapter 16 with supply, discharging opening 4, 5 are connected, like this, several sections of trough 1 is just made to form the roundabout connection of parallel shape head and the tail, often joint trough 1 and auger-conveying extruder 2 are furnished with driving mechanism all separately, stressed improvement, complete machine is long, wide, coordinate at high proportion, be conducive to workshop to arrange, operation, cleaning, maintenance, and be communicated with by the liquid-transport pipe-line 9 of the high head gravity flow with liquid level difference between several sections of trough 1, be configured with and be beneficial to solution and material antikinesis, the multistage spiral continuous flow upstream device of one interlock.Particularly, helical feed hold concurrently extruder 2 in skewed conical shell in material the last period of running, helical blade 17 is set to bend tooth pattern, the blade protruded is similar to the effect of stationary hopper, material can be made constantly extruded segment is promoted to when rotating shaft is turned round, and latter one section that in casing, material runs, helical blade 18 is set to reducing pattern, the casing of Reducing screw blade 18 correspondent section has fluid aperture 19 and is subject to liquid chuck 3 and is connected with the machine trough 1, along with Reducing screw blade correspondent section pitch space is more and more less, namely the leachate be squeezed out in material is pooled to and flows back to trough 1 at the corresponding levels by liquid chuck 3 from aperture 19, the material be extruded is then from confession, discharging opening 4, 5 fall in next stage trough 1, the leaching continuing next stage runs or enters shingle machine 8, realize Separation of Solid and Liquid thus.
Shown in Fig. 4, for convenience of operation, cleaning and maintenance, the general cross section of trough 1 of spiral continuous countercurrent leaching device is U-shaped, but mostly be root, stem, leaf, flower, careless class particle in Chinese medicine materials, proportion is lighter, and material is usually only positioned at bottom trough 1 in trough, and be partial to the sidewall of direction of rotation, the material particles that proportion is lighter swims in meniscus region in a liquid and is difficult to be advanced operation by spiral 10.Trough 1 cross section of the present invention is also U-shaped, arrange above trough 1 internal spiral 10 and connected by adjustable fastener 20, gap is furnished with and the arc binder cover 21 of the aperture that gathers with conveyor screw 10 top, like this, even if the material particles that proportion is lighter also can be pressed in conveyor screw propelling region by this arc binder cover 21 push ahead, avoid swimming in meniscus region and can not advancing.
Shown in Fig. 5, the feed joint of trough 1 is communicated with by adapter the filtration be connected with driving mechanism and saves 20, the end plate axis hole place that this filtration saves 20 drive ends arranges the cylindrical filter circle 24 with leakage opening 25, leakage opening 25 is as the alternate channel of tapping, this sphere filter 24 is connected with the cartridge filter 21 being provided with removable tapered tube shape in filtration joint 20 trough 1, axle through sphere filter 24 and cartridge filter 21 is provided with the porous Reducing screw blade 22 of the band elastic scraper 23 matched with sphere filter 24 and cartridge filter 21 internal diameter, filter joint 20 trough 1 sidepiece and be provided with tap hole 14, filter joint 20 trough 1 bottom and be provided with hydrops outlet 26. like this, the material particles entering cartridge filter 21 is under effect is scraped but also pushed away to the porous Reducing screw blade 22 of the band elastic scraper 23 matched with cartridge filter 21 internal diameter not only, add Action of Gravity Field, the direction that will advance towards helical blade 22 is run, leachate is then by cartridge filter 21, sphere filter 24 filters, flow out from tap hole 14, reach the object that Separation of Solid and Liquid does not run material.This cartridge filter 21 is removable, cleaning, change also very convenient.
Shown in Fig. 6, between several sections of trough 1, under liquid level difference effect, trough 1 place, liquid-transport pipe-line 9 liquid outlet 27 place of high head gravity flow arranges the filter chamber 28 with densely covered aperture, helical blade 12 edge of filter chamber 28 relevant position has elastic scraper 29, solution can be made to flow smooth and easy.
Claims (5)
1. a multistage spiral continuous countercurrent leaching device, comprise one end and there is loader 15 and tap hole 14, the other end has slag-discharging device 7, 2 and the several sections of troughs 1 of inlet 6, arrange in trough 1 connect driving mechanism axle 11 on there is the conveyor screw 10 that porous helical blade 12 forms, trough 1 outside has heating jacket and/or ultrasonic wave component 13, it is characterized in that: several sections of trough 1 parallel shape is set up in parallel, adjacent trough 1 mass transport end and material input by extruder 2 of holding concurrently in the skewed helical feed with conical shell by adapter 16 with for discharging opening 4, 5 are connected, several sections of trough 1 is made to form the roundabout connection of parallel shape head and the tail, and, be communicated with by the liquid-transport pipe-line 9 of the high head gravity flow with liquid level difference between several sections of trough 1, be integrally formed the multistage spiral continuous countercurrent leaching device of interlock.
2. multistage spiral continuous countercurrent leaching device according to claim 1, it is characterized in that: described extruder 2 of holding concurrently in the skewed helical feed with conical shell, the last period that in its casing, material runs, helical blade 17 is set to bending flute profile formula, latter one section that in casing, material runs, helical blade 18 is set to reducing pattern, and the casing of Reducing screw blade 18 correspondent section has fluid aperture 19 and is subject to liquid chuck 3 and is communicated with trough 1 at the corresponding levels.
3. multiple coil continuous countercurrent leaching device according to claim 1, it is characterized in that: the cross section of described trough 1 is U-shaped, arrange above trough 1 internal spiral 10 and connected by adjustable fastener 20, be furnished with gap with conveyor screw 10 top and gather the arc binder cover 21 of aperture.
4. multistage spiral continuous countercurrent leaching device according to claim 1, it is characterized in that: the feed joint of described trough 1 is communicated with the filtration be connected with driving mechanism and saves 20, this filtration saves 20 drive end end plate axis hole places and arranges the sphere filter 24 with leakage opening 25, this sphere filter 24 is connected with the removable coniform cartridge filter 21 be provided with in filtration joint 20 trough 1, axle through sphere filter 24 and cartridge filter 21 is provided with the porous Reducing screw blade 22 of the band elastic scraper 23 matched with sphere filter 24 and cartridge filter 21 internal diameter, filter joint 20 sidepiece and be provided with tap hole 14, filter joint 20 trough 1 bottom and be provided with hydrops outlet 26.
5. multistage spiral continuous countercurrent leaching device according to claim 1, is characterized in that: trough 1 place, liquid-transport pipe-line 9 liquid outlet 27 place of described several sections of troughs 1 high head gravity flow arranges the foraminate filter chamber 28 of tool.Helical blade 12 edge of filter chamber 28 relevant position has elastic scraper 29.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310503945.0A CN104548654A (en) | 2013-10-24 | 2013-10-24 | Multi-level spiral type continuous countercurrent leaching device |
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| CN201310503945.0A CN104548654A (en) | 2013-10-24 | 2013-10-24 | Multi-level spiral type continuous countercurrent leaching device |
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| CN104548654A true CN104548654A (en) | 2015-04-29 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106957959A (en) * | 2017-05-24 | 2017-07-18 | 攀枝花学院 | A kind of leaching of ores separation multi-section tube type counterflow leaching reaction unit |
| CN109833646A (en) * | 2019-04-03 | 2019-06-04 | 迈安德集团有限公司 | A kind of powder infuser |
| CN109939462A (en) * | 2019-05-06 | 2019-06-28 | 内蒙古恒光大药业股份有限公司 | A kind of multistage spiral counterflow leaching equipment |
| CN114014871A (en) * | 2021-10-25 | 2022-02-08 | 河南天源药物研究有限公司 | Method for extracting artemisinin from sweet wormwood herb |
| CN115362013A (en) * | 2020-03-24 | 2022-11-18 | 美得华水务株式会社 | Separating device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106957959A (en) * | 2017-05-24 | 2017-07-18 | 攀枝花学院 | A kind of leaching of ores separation multi-section tube type counterflow leaching reaction unit |
| CN109833646A (en) * | 2019-04-03 | 2019-06-04 | 迈安德集团有限公司 | A kind of powder infuser |
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| CN109939462A (en) * | 2019-05-06 | 2019-06-28 | 内蒙古恒光大药业股份有限公司 | A kind of multistage spiral counterflow leaching equipment |
| CN115362013A (en) * | 2020-03-24 | 2022-11-18 | 美得华水务株式会社 | Separating device |
| CN114014871A (en) * | 2021-10-25 | 2022-02-08 | 河南天源药物研究有限公司 | Method for extracting artemisinin from sweet wormwood herb |
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