CN204275519U - A kind of Chinese medicine leaching liquid MVR enrichment facility - Google Patents
A kind of Chinese medicine leaching liquid MVR enrichment facility Download PDFInfo
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- CN204275519U CN204275519U CN201420660416.1U CN201420660416U CN204275519U CN 204275519 U CN204275519 U CN 204275519U CN 201420660416 U CN201420660416 U CN 201420660416U CN 204275519 U CN204275519 U CN 204275519U
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- evaporimeter
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- medicine leaching
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Abstract
The utility model relates to a kind of Chinese medicine leaching liquid MVR enrichment facility, comprise pretreatment MVR evaporimeter, post processing MVR evaporimeter and circulating pump, circulating pump is arranged in the connecting pipe of pretreatment MVR evaporimeter liquid outlet and circulation inlet, circulation delivery side of pump connects the inlet of post processing MVR evaporimeter by pipeline simultaneously, and post processing evaporimeter is scraper-type evaporimeter.The utility model utilizes pretreatment MVR evaporimeter to carry out pre-concentration process to Chinese medicine leachate, by circulating pump, repeatedly circulating and evaporating is carried out to concentrate, make after Chinese medicine leaching liquid reaches the concentration entered required for next stage concentration and evaporation, to be concentrated further the leachate after pre-concentration by post processing MVR evaporimeter.The utility model is applicable to the concentration extraction of Chinese medicine leaching liquid.
Description
Technical field
The utility model relates to Chinese medicine leaching liquid and extracts field, particularly a kind of Chinese medicine leaching liquid MVR enrichment facility.
Background technology
Along with development and the in-depth of medication economics, the effect that traditional medicine plays is increasing, due to chemicals toxic and side effect develop immunity to drugs greatly, easily, pure compound new drug development difficulty is large, the cycle is very long and costly, thus purifying and the raw material produced for Chinese patent drug made relies on its advantageous advantage to be arisen at the historic moment, and bursts out huge potentiality gradually.Thus the clean medicinal material of Chinese medical extract or processed product through diffusing out, clarifying, filter, the method such as evaporation can extract Chinese medicine leaching liquid.
Concentration technology and the technology of Chinese medicine leaching liquid achieve significant progress in recent years.According to the feature of Chinese medicine leaching liquid, single-action or multiple-effect nature external circulation evaporation concentration technology and device there is varietal adaptation widely, but it is comparatively large and need the Chinese medicine system of high enrichment for viscosity, relative density, often be difficult to obtain gratifying effect, and traditional evaporation and concentration to there is thickening temperature high, concentration time is long, active ingredient and the lossy problem of volatile ingredient; The non-thermal concentration technology of Chinese medicine extract, technology and device are still in development at present, fail to put goods on the market and promote; Freeze concentration aspect, because the complicated variety of composition in most of leachate, when carrying out freeze concentration, more or less has some composition with solvent crystallization, precipitation and losing, solution also can because of viscosity problem separation difficulty; Concentrate field at film, consider membrane pollution problem again, and the bad assurance of cycles of concentration; It is the most promising Chinese medicine leaching liquid concentrating and separating technique and technology that macroporous absorbent resin is separated concentrated, but needs the scholar in resins synthesis field to play an active part in and be difficult in a short time realize.
Utility model content
In order to overcome above-mentioned technical problem, the purpose of this utility model is to provide a kind of Chinese medicine leaching liquid MVR enrichment facility, can be obtained the Chinese medicine leaching liquid of high concentration by this device.
The technical scheme that the utility model adopts is:
A kind of Chinese medicine leaching liquid MVR enrichment facility, comprise pretreatment MVR evaporimeter, post processing MVR evaporimeter and circulating pump, described circulating pump is arranged in the connecting pipe of pretreatment MVR evaporimeter liquid outlet and circulation inlet, described circulation delivery side of pump connects the inlet of post processing MVR evaporimeter by pipeline simultaneously, and described post processing evaporimeter is scraper-type evaporimeter.
As the further improvement of technique scheme, described pretreatment steaming hair device is falling film evaporator.
As the further improvement of technique scheme, the indirect steam loop of described falling film evaporator is provided with vapour compression machine, described vapour compression machine is simultaneously on the indirect steam loop of scraper-type evaporimeter, and the indirect steam loop of described scraper-type evaporimeter is provided with by-pass valve control.
As the further improvement of technique scheme, described falling film evaporator comprises evaporimeter and separator, the liquid outlet of described falling film evaporator is positioned at separator bottom, described circulation inlet is positioned at evaporimeter top, described evaporimeter top is provided with raw material inlet, and the indirect steam loop of described falling film evaporator connects the overhead vapor outlet of falling film separator and the indirect steam entrance of evaporimeter.
As the further improvement of technique scheme, described evaporimeter is provided with fixed gas outlet, and described fixed gas outlet is circumscribed with vacuum extractor.
As the further improvement of technique scheme, the concentrated solution outlet of described scraper-type base of evaporator is provided with discharging circulating pump, and described discharging circulation delivery side of pump connects the circulation fluid entrance of scraper-type evaporimeter.
The beneficial effects of the utility model are: the utility model utilizes pretreatment MVR evaporimeter to carry out pre-concentration process to Chinese medicine leachate, by circulating pump, repeatedly circulating and evaporating is carried out to concentrate, make after Chinese medicine leaching liquid reaches the concentration entered required for next stage concentration and evaporation, by post processing MVR evaporimeter, the leachate after pre-concentration is concentrated further, due to the employing of post processing MVR evaporimeter is scraper-type evaporimeter, it has, and process crystallization content is large, the great ability of high viscosity, high concentration feed liquid, can obtain the Chinese medicine leaching liquid of higher concentration thus.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Chinese medicine leaching liquid MVR enrichment facility as shown in Figure 1, comprise pretreatment MVR evaporimeter, post processing MVR evaporimeter and circulating pump 1, circulating pump 1 is arranged in the connecting pipe of pretreatment MVR evaporimeter liquid outlet and circulation inlet, and the outlet of circulating pump 1 simultaneously connects the inlet of post processing MVR evaporimeter by pipeline.Chinese medicine leaching liquid first carries out repeatedly circulating and evaporating by circulating pump 1 in pretreatment MVR evaporimeter, after making it reach to enter the concentration required for next stage concentration and evaporation, then by circulating pump 1 pump in post processing MVR evaporimeter, again concentrates.In this enforcement, pretreatment and post processing all adopt the technique of MVR, the indirect steam produced in concentration process is utilized to carry out heating evaporation to Chinese medicine leachate, not only energy-conservation but also environmental protection, compared with traditional single-action or multiple-effect evaporation concentration technology, avoid adopting fresh steam to carry out heating the financial burden brought, have good economic benefit to enterprise
In the present embodiment, post processing MVR evaporimeter is scraper-type evaporimeter 2, and it has, and process crystallization content is large, the great ability of high viscosity, high concentration feed liquid, can obtain the Chinese medicine leaching liquid of higher concentration thus.In actual use, the cycles of concentration of Chinese medicine leaching liquid requires comparatively large, and scraper-type evaporimeter 2 can be good at Chinese medicine leaching liquid to be evenly distributed on heat-transfer surface to carry out evaporation and concentration, gets a desired effect.And the tack of Chinese medicine leaching liquid is less, be not easy on the heat-transfer surface of scraper-type evaporimeter 2, form dirty layer, the carrying out that impact is concentrated, the cleaning in later stage is relatively simple.
As preferred embodiment, pretreatment steaming hair device is falling film evaporator 3.In Chinese medicine leaching liquid, metal ion and suspension are all little, are suitable for carrying out pre-concentration with falling film evaporator, can not cause fouling like this, not easily blocking pipe, improve heat transfer effect.
As preferred embodiment, falling film evaporator 3 and scraper-type evaporimeter 2 adopt same set of heating system.Concrete, the indirect steam loop of falling film evaporator 3 is provided with vapour compression machine 4, and vapour compression machine 4 is simultaneously on the indirect steam loop of scraper-type evaporimeter 2, and the heat as two MVR evaporimeters provides.In concentration process, scraper-type evaporimeter 2 is enabled after being and in pretreatment, is not participated in work, therefore on the indirect steam loop of scraper-type evaporimeter 2, is provided with two by-pass valve controls 5, is just opened by these two by-pass valve controls 5 when enabling scraper-type evaporimeter 2.
As preferred embodiment, falling film evaporator 3 comprises evaporimeter 31 and separator 32, the liquid outlet of falling film evaporator 3 is positioned at bottom separator 32, circulation inlet is positioned at evaporimeter 31 top, evaporimeter 31 top is provided with raw material inlet, and the indirect steam loop of falling film evaporator 3 connects the overhead vapor outlet of separator 32 and the indirect steam entrance of evaporimeter 31.
As preferred embodiment, evaporimeter 31 is provided with fixed gas outlet, and fixed gas outlet is circumscribed with vacuum extractor 6.
As preferred embodiment, the concentrated solution outlet bottom scraper-type evaporimeter 2 is connected with dope tank 8, and dope tank 8 is connected with discharging circulating pump 7, and the outlet of discharging circulating pump 7 connects the circulation fluid entrance of scraper-type evaporimeter 2.Be circulated in scraper-type evaporimeter 2 through the partial concentration liquid that scraper-type evaporimeter 2 is concentrated and continue to be concentrated, and another part is discharged and collect.
Also should carry out preheating enter the raw material inlet of falling film evaporator 3 at Chinese medicine leaching liquid before, therefore this device also comprises preheating unit.This preheating unit comprises plate type heat exchanger 9, feed pump 10, raw material surge tank 11, condensate pump 12 and surge tank 13.Wherein surge tank is connected to the condensation-water drain of falling film evaporator 3, condensate pump 12 connects surge tank 13, feed pump 10 connects raw material surge tank 11, and the raw material inlet of feed pump 10, condensate pump 12 and falling film evaporator 3 is all connected in plate type heat exchanger 9 by pipeline.The condensed water that falling film evaporator 3 is discharged carries out heat exchange with untreated Chinese medicine leaching liquid in plate type heat exchanger 9, thus improves the temperature of Chinese medicine leaching liquid.
The concentration technology of said apparatus to Chinese medicine leachate is as follows:
A. Chinese medicine leaching liquid preheating in plate type heat exchanger 9 after raw material surge tank 11 and feed pump 10, promotes temperature;
B. the liquid after preheating enters falling film evaporator 3 and carries out pre-concentration, and concentrate is drawn by bottom falling film evaporator 3, and early stage is first repeatedly circulated to it by circulating pump 1, to carry out repeatedly evaporation and concentration to Chinese medicine leachate, obtains satisfied pre-concentration effect.Return falling film evaporator 3 after the indirect steam that pre-concentration produces is compressed by vapour compression machine 4 to heat.In this step, by-pass valve control 5 is closed, prevent indirect steam from entering scraper-type evaporimeter 2.
C. by-pass valve control 5 is opened, the liquid of pre-concentration enters scraper-type evaporimeter 2 inside through circulating pump 1 by the top of scraper-type evaporimeter 2, concentrate is drawn by bottom it, part must circulate through circulating pump 1 and repeatedly evaporate again to improve concentration, the indirect steam that evaporation process produces is discharged by top and is compressed hyperthermic treatment by vapour compression machine 4, then returns in scraper-type evaporimeter 2 for heating.
D. the other part in concentrated further liquid is discharged by discharging circulating pump 7 and collects.
The condensed water with uniform temperature can be produced in process in above-mentioned steps b and step c, by condensate pump 12 and surge tank 13 these condensed waters are evacuated in panel radiator 9 and carry out heat exchange with the stoste of Chinese medicine leaching liquid.
The above be the utility model preferred embodiment, it does not form the restriction to the utility model protection domain.
Claims (6)
1. a Chinese medicine leaching liquid MVR enrichment facility, it is characterized in that: comprise pretreatment MVR evaporimeter, post processing MVR evaporimeter and circulating pump, described circulating pump is arranged in the connecting pipe of pretreatment MVR evaporimeter liquid outlet and circulation inlet, described circulation delivery side of pump connects the inlet of post processing MVR evaporimeter by pipeline simultaneously, and described post processing evaporimeter is scraper-type evaporimeter.
2. Chinese medicine leaching liquid MVR enrichment facility according to claim 1, is characterized in that: described pretreatment steaming hair device is falling film evaporator.
3. Chinese medicine leaching liquid MVR enrichment facility according to claim 2, it is characterized in that: the indirect steam loop of described falling film evaporator is provided with vapour compression machine, described vapour compression machine is simultaneously on the indirect steam loop of scraper-type evaporimeter, and the indirect steam loop of described scraper-type evaporimeter is provided with by-pass valve control.
4. the Chinese medicine leaching liquid MVR enrichment facility according to Claims 2 or 3, it is characterized in that: described falling film evaporator comprises evaporimeter and separator, the liquid outlet of described falling film evaporator is positioned at separator bottom, described circulation inlet is positioned at evaporimeter top, described evaporimeter top is provided with raw material inlet, and the indirect steam loop of described falling film evaporator connects the overhead vapor outlet of falling film separator and the indirect steam entrance of evaporimeter.
5. Chinese medicine leaching liquid MVR enrichment facility according to claim 4, is characterized in that: described evaporimeter is provided with fixed gas outlet, and described fixed gas outlet is circumscribed with vacuum extractor.
6. the Chinese medicine leaching liquid MVR enrichment facility according to claim 1 or 2 or 3, is characterized in that: the concentrated solution outlet of described scraper-type base of evaporator is provided with discharging circulating pump, and described discharging circulation delivery side of pump connects the circulation fluid entrance of scraper-type evaporimeter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420660416.1U CN204275519U (en) | 2014-11-05 | 2014-11-05 | A kind of Chinese medicine leaching liquid MVR enrichment facility |
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| CN201420660416.1U CN204275519U (en) | 2014-11-05 | 2014-11-05 | A kind of Chinese medicine leaching liquid MVR enrichment facility |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105561725A (en) * | 2016-01-30 | 2016-05-11 | 泉州市天龙环境工程有限公司 | Waste water recycling device and method in VOCs waste gas recovery process |
| CN106390498A (en) * | 2016-12-01 | 2017-02-15 | 上海佳麟泵阀有限公司 | MVR evaporation device capable of removing low-boiling-point volatile matter in evaporation materials |
| CN108905254A (en) * | 2018-09-25 | 2018-11-30 | 江西中医药大学 | A kind of Chinese medicine concentration device and traditional Chinese drug inspissation technique |
| CN108939606A (en) * | 2018-09-18 | 2018-12-07 | 迪茗（上海）智能科技有限公司 | A kind of extraction concentration systems and method |
-
2014
- 2014-11-05 CN CN201420660416.1U patent/CN204275519U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105561725A (en) * | 2016-01-30 | 2016-05-11 | 泉州市天龙环境工程有限公司 | Waste water recycling device and method in VOCs waste gas recovery process |
| CN106390498A (en) * | 2016-12-01 | 2017-02-15 | 上海佳麟泵阀有限公司 | MVR evaporation device capable of removing low-boiling-point volatile matter in evaporation materials |
| CN106390498B (en) * | 2016-12-01 | 2018-08-24 | 上海佳麟泵阀有限公司 | The MVR vaporising devices of low boiling point volatile matter in evaporation material can be removed |
| CN108939606A (en) * | 2018-09-18 | 2018-12-07 | 迪茗（上海）智能科技有限公司 | A kind of extraction concentration systems and method |
| CN108905254A (en) * | 2018-09-25 | 2018-11-30 | 江西中医药大学 | A kind of Chinese medicine concentration device and traditional Chinese drug inspissation technique |
| CN108905254B (en) * | 2018-09-25 | 2023-08-25 | 江西中医药大学 | Traditional Chinese medicine concentration device and traditional Chinese medicine concentration process |
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