CN211912747U - Multifunctional efficient continuous circulating extraction, modification and concentration equipment - Google Patents
Multifunctional efficient continuous circulating extraction, modification and concentration equipment Download PDFInfo
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- CN211912747U CN211912747U CN201922436034.6U CN201922436034U CN211912747U CN 211912747 U CN211912747 U CN 211912747U CN 201922436034 U CN201922436034 U CN 201922436034U CN 211912747 U CN211912747 U CN 211912747U
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Abstract
A multifunctional high-efficiency continuous circulation extraction modification concentration device comprises an evaporation and concentration tank, an extraction tank and a cooler; the cooler is vertically arranged and comprises an inner cavity, a first inlet and a first outlet which are connected with the inner cavity, and the upper part of the inner cavity is connected with a vacuum pump; the first import of cooler respectively with extract the first export of jar and evaporate and the first exit linkage of concentrated jar, the first export of cooler passes through air communicating vessel and the first access connection who extracts the jar, the second export that extracts the jar passes through vacuum pump and evaporate and the first access connection of concentrated jar, forms the inner loop structure from this. The utility model discloses can realize drawing the inner loop of menstruum in succession.
Description
Technical Field
The utility model belongs to the technical field of draw the concentration and specifically relates to a modified concentrator is drawed in multi-functional high-efficient continuous cycle.
Background
The traditional extraction equipment adds a solvent, the solvent containing the extract is discharged and concentrated after the material is extracted, then fresh solvent is added for secondary or multiple extraction and concentration, the process can use a large amount of solvent for extraction, and a large amount of subsequent concentration work is generated in the same way, and the traditional extraction equipment adds pure solvent once, and because the concentration of the extract is gradually increased in the continuous extraction process, the concentration difference between the material and the extract is gradually reduced, therefore, the seepage degree of the material is also gradually reduced and even tends to be balanced, thus the defect that the traditional extraction equipment has poor material extraction efficiency is exposed. The traditional material residue after extracting equipment extracts can leave more incomplete effective components basically through tracking detection, but after accounting according to the process cost, if re-extraction is carried out, the product cost can be promoted, namely, the process production cost can be greater than the value of producing the extract, so that the condition that the material still containing more effective components is directly discarded appears, and huge waste is caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a multifunctional high-efficient continuous circulation extraction and modification concentration equipment, which solves the defects of the prior art.
The technical proposal of the utility model is as follows,
a multifunctional high-efficiency continuous circulation extraction modification concentration device comprises an evaporation and concentration tank, an extraction tank and a cooler;
the cooler is vertically arranged and comprises an inner cavity, a first inlet and a first outlet which are connected with the inner cavity, and the upper part of the inner cavity is connected with a vacuum pump; the first inlet of the cooler is respectively connected with the first outlet of the extraction tank and the first outlet of the evaporation and concentration tank, the first outlet of the cooler is connected with the first inlet of the extraction tank through an air communicating device, and the second outlet of the extraction tank is connected with the first inlet of the evaporation and concentration tank through a vacuum water pump, so that an internal circulation structure is formed;
the cooler further comprises a coil positioned in the inner cavity, the coil comprising a cooling fluid inlet and a cooling fluid return port;
the first outlet of the extraction tank and the first outlet of the evaporation and concentration tank are used for injecting the evaporated solvent into the cooler; the first outlet of the cooler is used for injecting the cooled solvent into the extraction tank; the second outlet of the extraction tank is used for injecting the extracting solution into the evaporation and concentration tank;
the first export of drawing the jar with the first export of evaporation and concentration jar is connected with first evaporation pipeline valve and second steam line valve respectively, the first export of cooler with still be connected with first discharge valve on the pipeline of the first import of drawing the jar.
Preferably, the vacuum water pump outlet is provided with a filter, and the pipelines of the second outlet of the extraction tank and the first inlet of the evaporation and concentration tank are also provided with pipeline valves.
Preferably, the second outlet of extracting the jar set up in extract the jar and be higher than the lateral wall position of tank bottoms and install card formula filter screen, the second outlet of extracting the jar still is connected with compressed air pipeline and washs the menstruum recoil pipeline.
Preferably, be equipped with fire fighting equipment in evaporation and concentration jar, fire fighting equipment is for installing the epaxial defoaming paddle of evaporation and concentration jar central authorities rotation, the defoaming paddle include the paddle body with connect integratively in paddle body below, the decurrent sawtooth of direction, the sawtooth edge takes the sword, the evaporation and concentration jar and the device that has the defoaming silk screen of installation on the solvent steam outlet pipeline of extracting the jar.
Preferably, the evaporation and concentration tank is internally provided with a wall scraping device for concentration, the wall scraping device for concentration is arranged below the inside of the evaporation and concentration tank and comprises blades symmetrically and fixedly connected to a central rotating shaft of the evaporation and concentration tank, arc-shaped connecting arms fixedly connected to two ends of each blade and a plurality of scraping plates fixedly connected to the connecting arms.
Preferably, the device also comprises at least one temperature-control steam heating source, wherein the temperature-control steam heating source is used for heating the extraction tank and the evaporation and concentration tank, the outlet of the temperature-control steam heating source is divided into two paths, one path of the temperature-control steam heating source is communicated with the extraction tank, and the other path of the temperature-control steam heating source is communicated with the evaporation and concentration tank through a steam pipeline.
Preferably, the evaporation and concentration tank and the extraction tank are in flange tank structures, and can be cleaned after being opened; the evaporation and concentration tank is characterized by further comprising an air compressor connected with the evaporation and concentration tank, and a compressed air pipeline connected with the air compressor, wherein the compressed air pipeline provides pneumatic power for the evaporation and concentration tank during cover opening operation or provides compressed air for the compressed air pipeline.
Preferably, the first outlet of the cooler is further connected with a solvent discharge recovery valve, and the solvent discharge recovery valve is set to be opened when the "pure" solvent is recovered.
Preferably, the bottom of the evaporation and concentration tank is provided with a concentrated solution discharge port, the bottom of the extraction tank is provided with a discharge port for discharging extracted materials and residual solvents at the bottom, and the bottom of the evaporation and concentration tank and the bottom of the extraction tank are respectively provided with a water discharge port of a steam jacket for discharging partial steam and accumulated water generated in the heating process.
The utility model discloses a but not limited to following beneficial effect:
1) realizes the internal circulation of continuously extracting the solvent
The continuous circulation of the extracted solvent in the equipment can be realized, the loss of the solvent can not be caused, the using amount and consumption of the solvent are greatly saved, the technological process of discharging and adding new solvent is simplified, and the labor cost is greatly reduced.
2) Realizes high-efficiency extraction
The equipment realizes the rapid circulation of the solvent, thereby realizing the high-efficiency rapid circulation extraction of the materials. The extracting solution is continuously injected into the evaporation and concentration tank, the solvent is evaporated by the evaporation and concentration tank at the same time, the cooled pure solvent returns to the extraction tank in the boiling state, and the balance of the solvent in and out is kept by controlling the extraction tank, so that the extracted substance in the extraction tank always keeps a high-efficiency extraction state of low concentration (high concentration difference between the extracted substance and the concentration when the extracted substance is saturated), and the high-efficiency and quick extraction is realized. In addition, the high-efficiency circulation extraction mode also determines the high extraction rate of material extraction, and under the condition of the same extraction time or shorter extraction time (different extraction time of different materials), the components are extracted cleanly, so that the waste is less.
3) Has two modes of normal pressure and vacuum operation
The equipment can operate under both normal pressure and vacuum conditions. For materials with no requirement on extraction temperature or needing a high-temperature modification process, a normal pressure mode can be selected for production. For materials requiring a production process below 100 ℃, the air communicating vessel is closed, the vacuum pump is opened, and low-temperature operation under reduced pressure can be realized (vacuum degree is adjusted, different boiling temperatures can be adjusted, and boiling ensures uniform concentration of the extract in the extraction tank).
4) Extraction and modification processing functions
The equipment can simultaneously realize the modification processing of the added materials during the extraction of the added materials, does not need to select equipment for modification processing production after extraction, combines two steps into one step, and finishes the extraction and modification in one step; one machine is multi-purpose, extract promptly, modify, concentrated a quick-witted completion, and the function of equipment is abundant, has greatly improved production efficiency, has reduced enterprise's equipment and artificial input to take the modification to extract the ginseng as the example: adding substance capable of converting Ginseng radix components into evaporation and concentration tank of equipment, setting equipment process parameters, continuously injecting extract in extraction tank into evaporation and concentration tank, in the process of solvent evaporation and extract gradual enrichment in evaporation and concentration tank, realizing high-efficiency modification processing and extraction production of Ginseng radix components, and finally completing concentration for use. Therefore, in the process of extracting ginseng components, the modification and conversion treatment of common saponin components of ginseng are realized, and the extracted concentrated components containing a large amount of rare ginsenoside are produced, so that the ginseng extract can be widely applied to the aspects of medicines, health-care products and foods.
5) The solvent proportion of the extraction tank and the evaporation and concentration tank can be changed and the polarity can be changed according to the requirement. The effective components of the Chinese patent medicine have wide polarity size distribution, and have substances such as polysaccharide, amino acid and the like with very high polarity and fat-soluble components with relatively low polarity, so the polarity of a solvent is continuously changed in the extraction process, and the high-efficiency extraction of the effective components with different polarities is facilitated. In the extraction process, different solvents or solvent mixtures with different proportions can be added into the extraction tank and the evaporation and concentration tank, and the polarity of the solvents is changed through the circulation of the solvents in the extraction process, so that the extraction of active ingredients with different polarities can be better performed.
6) Has a concentration function
In the material extraction process, because the material extraction process is in a circulating state, the extracting solution in the extraction tank is continuously injected into the evaporation and concentration tank, the concentration of the extract in the evaporation and concentration tank is continuously improved, and the process also realizes the slow concentration of the extract. According to the setting of technological parameters, after the extraction time is finished, the internal circulation system is closed, and the evaporated solvent is additionally collected, so that the complete concentration operation of the material extract can be realized in the evaporation and concentration tank, the material concentrated solution is collected and discharged after the concentration is finished, and the evaporated solvent completely enters the collector for the next use. The equipment is provided with a wall scraping device for concentration in an evaporation and concentration tank, so that the high-concentration preparation of the extract can be realized, and a high-concentration extract product can be produced.
7) Has the functions of blocking prevention and filtration
In order to avoid extracting the condition that the in-process material dregs of jar in extraction liquid injection evaporation and the concentration jar blockked up the pipeline to and guarantee that the concentrate does not have dregs appearance at the concentration process, guarantee product quality, this equipment has carried out and has prevented blockking up and filter the design: the discharge port design that will draw the jar is higher than tank bottoms lateral wall position (if install the probability that can greatly increased block up in the bottom), and card formula filter screen is equipped with in its extract liquid outlet, can filter most dregs material, if discharge for a long time and lead to the extract liquid outlet to block up, and equipment fixing has compressed air (uses under the ordinary pressure condition) and washs the solvent (uses under the vacuum condition) recoil device and can solve the jam problem. In addition, in order to ensure that the concentrated solution does not contain dregs, a filtering device is arranged in a pipeline for injecting the extract into the evaporation and concentration tank, the aperture of a filtering material in the filtering device is determined according to the product quality standard, and the filtering material in the filtering device is in a detachable design and can be replaced and cleaned at any time.
8) Possesses defoaming function
Because some extract the material and contain the soapy material, probably produce a large amount of foams in the middle of extracting, consequently install the rotatory paddle fire fighting equipment of defoaming function in evaporation and concentration jar design, it installs on evaporation and concentration jar central authorities axis of rotation, and the defoaming paddle can increase according to the demand, and installs at not co-altitude. In addition, in order to prevent the foam from overflowing from the steam pipeline of the evaporation and concentration tank, a defoaming screen is installed at the outlet of the pipeline so as to ensure that the evaporation pipeline is not polluted.
9) Novel industrial vacuum system
The design of cooler has been improved to this equipment, change ordinary horizontal condenser into vertical design, walk the pipeline with traditional design steam, the mode that condenser inner chamber was walked to the coolant liquid changes into the coolant liquid and walks intracavity coil pipe, the structure of cooler inner chamber is walked to steam, carry out the evacuation processing on the upper portion of cooler, the pipe connection of cooler draws jar and evaporation and concentration jar, realized two jars evacuation simultaneously and the unanimous design requirement of vacuum degree, through the refrigerated menstruum flows fast under self liquid gravity, the purpose of menstruum rapid cycle has been realized in the equipment operation, and such structure can omit the collection tank part, reduce the construction cost of equipment in a large number, it is remarkable.
10) This equipment has carried out the intensification design, unites two into one two sets of equipment, has only evaporated and concentrated jar, has drawed jar, cooler triplex and has just taken into account and draw with concentrated function, has realized continuous high-efficient circulation and has drawn moreover, compares present drawing and concentrated tandem equipment, has saved the manufacturing cost of equipment in a large number, has just also reduced the area of equipment, has high industrialization actual spreading value.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other solutions can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a multifunctional efficient continuous circulation extraction, modification and concentration device provided by the present invention.
Fig. 2 is a schematic structural view of the defoaming device provided by the present invention.
Fig. 3 is a schematic structural view of the wall scraping device for concentration according to the present invention.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The technical solution of the present invention will be described in detail with reference to the accompanying drawings and embodiments.
As shown in fig. 1, a multifunctional efficient continuous circulation extraction modification and concentration device comprises an evaporation and concentration tank 1, an extraction tank 2 and a cooler 3;
the cooler 3 is vertically arranged and comprises an inner cavity, a first inlet 4 and a first outlet 5 which are connected with the inner cavity, and the upper part of the inner cavity is connected with a vacuum pump 6; the first inlet 4 of the cooler 3 is respectively connected with the first outlet 7 of the extraction tank 2 and the first outlet 8 of the evaporation and concentration tank 1, the first outlet 5 of the cooler 3 is connected with the first inlet 10 of the extraction tank 2 through an air communicating device 9, the second outlet 11 of the extraction tank 2 is connected with the first inlet 13 of the evaporation and concentration tank 1 through a vacuum water pump 12, and therefore an internal circulation structure is formed;
the cooler 3 further comprises a coil 14 located in the inner cavity, the coil 14 comprising a cooling fluid inlet 15 and a cooling fluid return 16;
the first outlet 7 of the extraction tank 2 and the first outlet 8 of the evaporation and concentration tank 1 are used for injecting the evaporated solvent into the cooler 3; the first outlet 5 of the cooler 3 is used for injecting the cooled solvent into the extraction tank 2; a second outlet 11 of the extraction tank 2 is used for injecting the extracting solution into the evaporation and concentration tank 1;
the first outlet 7 of the extraction tank 2 and the first outlet 8 of the evaporation and concentration tank 1 are respectively connected with a first evaporation pipeline valve 17 and a second steam pipeline valve 18, and the first outlet 5 of the cooler 3 and the pipeline of the first inlet 10 of the extraction tank 2 are also connected with a first discharge valve 19. Wherein, in the circulation extraction, the first evaporation pipeline valve 17 and the second steam pipeline valve 18 are both in an open state; during the concentration process, the first evaporation line valve 17 and the first discharge valve 19 are closed; the second vapor line valve 18 is normally open, and if the loop extraction is not required, the second vapor line valve 18 can be closed when the traditional extraction is changed.
Furthermore, a filter 20 is arranged at the outlet of the vacuum water pump 12, and a pipeline valve is arranged on the pipeline between the second outlet 11 of the extraction tank 2 and the first inlet 13 of the evaporation and concentration tank 1.
Further, the second outlet 11 of extraction tank 2 set up in the lateral wall position that extraction tank 2 is higher than the tank bottoms installs card formula filter screen, the second outlet 11 of extraction tank 2 still is connected with compressed air pipeline 21 and washs menstruum recoil pipeline 22. The device has liquid backflushing (used under a vacuum condition) and gas backflushing (used under a normal pressure condition) for preventing the filter from being blocked, and can effectively avoid the filter from being blocked under various working conditions.
Further, a defoaming device 23 is arranged in the evaporation and concentration tank 1, the defoaming device 23 is a defoaming paddle arranged on a central rotating shaft of the evaporation and concentration tank 1, the defoaming paddle comprises a paddle body and saw teeth integrally connected below the paddle body and downward in direction, edges of the saw teeth are provided with blades (as shown in fig. 2) to break bubbles, and a device 34 with a defoaming screen is arranged on solvent steam outlet pipelines of the evaporation and concentration tank 1 and the extraction tank 2.
Further, the evaporation and concentration tank 1 is provided with a wall scraping device 24 for concentration, which is preferably installed at the lower portion in the evaporation and concentration tank 1, as shown in fig. 3, and includes a paddle 37 symmetrically and fixedly connected to the central rotation shaft of the evaporation and concentration tank 1, an arc-shaped connecting arm 38 fixedly connected to both ends of the paddle 37, and a plurality of scrapers 39 fixedly connected to the connecting arm 38. The scraper 39 can prevent the thick concentrated solution from being stained on the wall in a large amount, and the paddle 37 can be used for processing and producing the high-viscosity concentrated solution.
Further, the device also comprises at least one temperature control type steam heating source 25, wherein the temperature control type steam heating source 25 is used for heating the extraction tank 2 and the evaporation and concentration tank 1, the outlet of the temperature control type steam heating source 25 is divided into two paths, one path is communicated with the extraction tank, and the other path 35 is communicated with the evaporation and concentration tank through a steam pipeline 26.
Furthermore, the evaporation and concentration tank 1 and the extraction tank 2 are in flange tank structures and can be cleaned after being opened; the device also comprises an air compressor 27 connected with the evaporation and concentration tank, and a compressed air pipeline 36 connected with the air compressor 27, wherein the compressed air pipeline 36 provides pneumatic power for the evaporation and concentration tank 1 during the uncovering operation or provides compressed air for the compressed air pipeline 21.
Further, the first outlet 5 of the cooler 3 is further connected with a solvent discharge recovery valve 28, and the solvent discharge recovery valve 28 is set to be opened when the "pure" solvent is recovered.
Further, the bottom of the evaporation and concentration tank 1 is provided with a concentrated solution discharge port 29, the bottom of the extraction tank 2 is provided with a discharge port 33 for discharging extracted materials and residual solvents at the bottom, and the bottoms of the evaporation and concentration tank 1 and the extraction tank 2 are also respectively provided with water discharge ports 31 and 32 of a steam jacket for discharging partial steam and accumulated water generated in the heating process.
Further, a control box 30 is also included, and the control box 30 is used for realizing the operation and control of the whole equipment operation.
The following description describes the two working modes of the present invention, normal pressure and vacuum:
1. working process under normal pressure
Put into the material and draw the jar, draw jar and evaporation and concentrated jar and add the menstruum, set for and draw the parameter, open the air communicating vessel, draw and realize the boiling in the jar and draw to reach the purpose (air communicating vessel open mode, inside and outside pressure keeps unanimous, just can boil in the jar of drawing) that the interior extract concentration is homogeneous of jar.
Meanwhile, the vacuum water pump in the pipeline from the extraction tank to the evaporation and concentration tank is opened, and the liquid flow rate of the vacuum water pump is adjusted, so that the amount of the extract liquid injected into the evaporation and concentration tank is consistent with the amount of the liquid evaporated and condensed by the evaporation and concentration tank, and the working state of continuous cycle extraction is achieved.
After the materials are extracted, the obtained extracting solution is injected into an evaporation and concentration tank through a vacuum water pump, a solvent is evaporated by the evaporation and concentration tank and condensed by a cooler to return to the extraction tank, and if the pipeline from the extraction tank to the evaporation and concentration tank is blocked, compressed air is opened for back flushing treatment, so that the blocking problem is solved.
According to the process requirements, after the extraction process is completed, closing the extraction tank to stop extraction, closing a valve of an evaporation pipeline of the extraction tank, closing a pipeline from a cooler to a valve of a pipeline of the extraction tank, opening a solvent discharge and recovery valve, turning to a concentration state, gradually recovering 'pure' solvent, gradually injecting the extraction liquid in the extraction tank into the evaporation and concentration tank, after all the extraction liquid is injected into the evaporation and concentration tank, closing a vacuum pump and a pipeline valve thereof, and after the concentration is completed, discharging the concentrated liquid for collection.
2. Working process in vacuum state
Putting the material into an extraction tank, adding solvent into the extraction tank and the evaporation and concentration tank at the same time, setting extraction parameters, checking that an air communicating vessel is in a closed state, and opening a vacuum pump to ensure that the extraction tank and the evaporation and concentration tank are in the same vacuum state (the extraction tank and the evaporation and concentration tank can realize boiling below 100 ℃ under the vacuum condition). The vacuum degree is set according to the process requirements.
Meanwhile, the vacuum water pump in the pipeline from the extraction tank to the evaporation and concentration tank is opened, and the liquid flow rate of the vacuum water pump is adjusted, so that the amount of the extract liquid injected into the evaporation and concentration tank is consistent with the amount of the liquid evaporated and condensed by the evaporation and concentration tank, and the working state of continuous cycle extraction is achieved.
After the material is extracted, the obtained extracting solution is injected into an evaporation and concentration tank through a vacuum water pump, a solvent is evaporated by the evaporation and concentration tank and condensed by a cooler to return to an extraction tank, and if the pipeline of the evaporation and concentration tank is blocked from the extraction tank, the solvent is cleaned by opening to carry out back flushing treatment (used under the vacuum condition), so that the blocking problem is solved.
According to the process requirements, after the extraction process is completed, closing the extraction tank to stop extraction, closing a valve of an evaporation pipeline of the extraction tank, closing a pipeline from a cooler to a valve of a pipeline of the extraction tank, opening a valve of an air communicating device, opening a solvent discharge and recovery valve, turning to a concentration state, starting the concentration process of the evaporation and concentration tank, gradually recovering 'pure' solvent, gradually injecting the extraction liquid in the extraction tank into the evaporation and concentration tank, after all the extraction liquid is injected into the evaporation and concentration tank, closing a vacuum pump and a pipeline valve thereof, and after the concentration is completed, discharging the concentrated liquid for collection.
The utility model discloses include following advantage at least:
the continuous circulation of the extracted solvent in the equipment can be realized, the loss of the solvent can not be caused, the using amount and consumption of the solvent are greatly saved, the technological process of discharging and adding new solvent is simplified, and the labor cost is greatly reduced. In the traditional extraction equipment, a solvent is added, the solvent containing the extract is discharged and concentrated after the materials are extracted, and then fresh solvent is added for secondary or multiple extraction and concentration. Therefore, the continuous internal circulation extraction mode greatly reduces and saves the comprehensive cost of extraction and concentration, and the internal circulation continuous extraction is a brand new revolution of the traditional extraction mode.
The equipment realizes the rapid circulation of the solvent, thereby realizing the high-efficiency rapid circulation extraction of the materials. The extracting solution is continuously injected into the evaporation and concentration tank, the solvent is evaporated by the evaporation and concentration tank at the same time, the cooled pure solvent returns to the extraction tank in the boiling state, and the balance of the solvent in and out is kept by controlling the extraction tank, so that the extracted substance in the extraction tank always keeps a high-efficiency extraction state of low concentration (high concentration difference between the extracted substance and the concentration when the extracted substance is saturated), and the high-efficiency and quick extraction is realized.
The concentration and steam tank firstly provides solvent steam to ensure continuous circulation, slowly concentrates (enrichment of extract) in the process of continuously providing the solvent steam, and finally closes the extraction tank to start specific concentration operation to produce the extract (such as extract).
In the traditional method, a pure solvent is added once, and in the continuous extraction process, the concentration of the extract is gradually increased, and the concentration difference between the material and the extract is gradually reduced, so that the exudation degree of the material is gradually reduced and even tends to be balanced, and the defect of poor material extraction efficiency of the method is exposed.
In addition, the high-efficiency circulation extraction mode also determines the high extraction rate of material extraction, and under the condition of the same extraction time or shorter extraction time (different extraction time of different materials), the components are extracted cleanly, so that the waste is less. The material residue after traditional mode drawed through tracking detection, can leave over more not extracting complete active ingredient basically, nevertheless according to the technology cost accounting back, if carry out the extraction again and will cause the promotion of product cost, that is to say technology manufacturing cost can be greater than the value of producing the extract product, so just appeared the condition of directly abandoning the material that still contains more active ingredient, caused huge waste. The equipment can greatly avoid the same problems, realizes the high-efficiency, high-speed and clean extraction effect, reduces the energy consumption, avoids the waste of traditional Chinese medicine plant resources, and saves natural resources.
The equipment can operate under both normal pressure and vacuum conditions. For materials with no requirement on extraction temperature or needing a high-temperature modification process, a normal pressure mode can be selected for production.
For materials requiring a production process below 100 ℃, the air communicating vessel is closed, the vacuum pump is opened, and low-temperature operation under reduced pressure can be realized (vacuum degree is adjusted, different boiling temperatures can be adjusted, and boiling ensures uniform concentration of the extract in the extraction tank).
The equipment can simultaneously realize the modification processing of the added materials during the extraction of the added materials, does not need to select equipment for modification processing production after extraction, combines two steps into one step, and finishes the extraction and modification in one step; one machine is multi-purpose, extract promptly, modify, concentrated a quick-witted completion, and the function of equipment is abundant, has greatly improved production efficiency, has reduced enterprise's equipment and artificial input to take the modification to extract the ginseng as the example: adding substance capable of converting Ginseng radix components into evaporation and concentration tank of equipment, setting equipment process parameters, continuously injecting extract in extraction tank into evaporation and concentration tank, in the process of solvent evaporation and extract gradual enrichment in evaporation and concentration tank, realizing high-efficiency modification processing and extraction production of Ginseng radix components, and finally completing concentration for use. Therefore, in the process of extracting ginseng components, the modification and conversion treatment of common saponin components of ginseng are realized, and the extracted concentrated components containing a large amount of rare ginsenoside are produced, so that the ginseng extract can be widely applied to the aspects of medicines, health-care products and foods.
For the effective components of Chinese patent medicine, the polarity size distribution is very wide, and there are substances such as polysaccharide, amino acid and the like with very high polarity, and also fat-soluble components with relatively low polarity. Therefore, the polarity of the solvent is continuously changed in the extraction process, which is beneficial to the high-efficiency extraction of active ingredients with different polarities.
The equipment can add different menstruum or different menstruum mixtures with different proportions into the extraction tank and the evaporation and concentration tank, change the polarity of the menstruum through the circulation of the menstruum in the extraction process, and can better extract effective components with different polarities. When the solvent circulates, the ethanol in the evaporation and concentration tank flows into the extraction tank through gasification and condensation, so that the concentration of the ethanol in the extraction tank is gradually increased from zero, namely the extraction solvent is gradually changed into ethanol solvents with different concentrations from pure water, thereby changing the polarity of the extraction solvent and being more beneficial to extracting compounds with different polarities. Or, ethanol water solution with lower concentration (such as 30%) is added in the extraction tank and the evaporation and concentration tank, and the ethanol content in the gas phase component is obviously increased when the ethanol water solution is gasified, so that the ethanol concentration in the extraction tank is gradually increased through solvent circulation, namely, the solvent polarity is changed, and active ingredients with different polarities can be better extracted. It is suitable for both normal pressure and vacuum state.
In the material extraction process, because the material extraction process is in a circulating state, the extracting solution in the extraction tank is continuously injected into the evaporation and concentration tank, the concentration of the extract in the evaporation and concentration tank is continuously improved, and the process also realizes the slow concentration of the extract. According to the setting of technological parameters, after the extraction time is finished, the internal circulation system is closed, and the evaporated solvent is additionally collected, so that the complete concentration operation of the material extract can be realized in the evaporation and concentration tank, the material concentrated solution is collected and discharged after the concentration is finished, and the evaporated solvent completely enters the external collector for the next use.
The equipment is provided with a wall scraping device for concentration in an evaporation and concentration tank, so that the high-concentration preparation of the extract can be realized, and a high-concentration extract product can be produced.
In order to avoid extracting the condition that the in-process material dregs of jar of evaporating and concentration tank were filled into to the extract blocks up the pipeline to and guarantee at the concentration process that the concentrate does not have dregs appearance, guarantee product quality, consequently, this equipment has carried out and has prevented blockking up and filter the design: this design will draw the discharge port design of jar higher than tank bottoms lateral wall position, (if install the probability that can greatly increased block up in the bottom), card formula filter screen is equipped with in its extract liquid outlet, can filter most dregs material, if discharge for a long time and lead to the extract liquid outlet to block up, equipment fixing has compressed air (uses under the ordinary pressure condition) and washs the menstruum (uses under the vacuum condition) recoil device and can solve the jam problem.
In addition, in order to ensure that the concentrated solution does not contain dregs, a filtering device is arranged in a pipeline for injecting the extract into the evaporation and concentration tank, the aperture of a filtering material in the filtering device is determined according to the product quality standard, and the filtering material in the filtering device is in a detachable design and can be replaced and cleaned at any time.
Because some extract the material and contain the soapy material, probably produce a large amount of foams in the middle of extracting, consequently install the rotatory paddle fire fighting equipment of defoaming function in evaporation and concentration jar design, it installs on evaporation and concentration jar central authorities axis of rotation, and the defoaming paddle can increase according to the demand, and installs at not co-altitude.
In addition, in order to prevent the foam from overflowing from the steam pipeline of the evaporation and concentration tank, a defoaming screen is installed at the outlet of the pipeline so as to ensure that the evaporation pipeline is not polluted.
The design of the vacuum-pumping system of the equipment is greatly different from the design of the common industrial vacuum-pumping system, the common industrial vacuum-pumping system is basically provided with a collecting tank, a vacuum pump is connected with the collecting tank to carry out vacuum-pumping operation on the vacuum tank, the equipment improves the design of a cooler, a common transverse condenser is changed into a longitudinal design, the mode that steam flows through a pipeline and cooling liquid flows through the inner cavity of the condenser in the traditional design is changed into the mode that the cooling liquid flows through an inner cavity coil pipe and the steam flows through the inner cavity of the cooler, the upper part of the cooler is vacuumized, the pipeline of the cooler is connected with an extracting tank and an evaporating and concentrating tank, the design requirements that the two tanks are simultaneously vacuumized and the vacuum degrees are consistent are met, the cooled solvent rapidly flows under the self liquid gravity, the purpose of rapid solvent circulation is realized in the operation of the equipment, and the collecting tank part can, greatly reduces the construction cost of the equipment and has remarkable significance.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (9)
1. A multifunctional high-efficiency continuous circulation extraction modification concentration device is characterized by comprising an evaporation and concentration tank, an extraction tank and a cooler;
the cooler is vertically arranged and comprises an inner cavity, a first inlet and a first outlet which are connected with the inner cavity, and the upper part of the inner cavity is connected with a vacuum pump; the first inlet of the cooler is respectively connected with the first outlet of the extraction tank and the first outlet of the evaporation and concentration tank, the first outlet of the cooler is connected with the first inlet of the extraction tank through an air communicating device, and the second outlet of the extraction tank is connected with the first inlet of the evaporation and concentration tank through a vacuum water pump, so that an internal circulation structure is formed;
the cooler further comprises a coil positioned in the inner cavity, the coil comprising a cooling fluid inlet and a cooling fluid return port;
the first outlet of the extraction tank and the first outlet of the evaporation and concentration tank are used for injecting the evaporated solvent into the cooler; the first outlet of the cooler is used for injecting the cooled solvent into the extraction tank; the second outlet of the extraction tank is used for injecting the extracting solution into the evaporation and concentration tank;
the first export of drawing the jar with the first export of evaporation and concentration jar is connected with first evaporation pipeline valve and second steam line valve respectively, the first export of cooler with still be connected with first discharge valve on the pipeline of the first import of drawing the jar.
2. The multifunctional efficient continuous-circulation extraction, modification and concentration equipment as claimed in claim 1, wherein the vacuum pump outlet is provided with a filter, and the pipelines of the second outlet of the extraction tank and the first inlet of the evaporation and concentration tank are further provided with pipeline valves.
3. The multifunctional efficient continuous-circulation extraction modification and concentration equipment as claimed in claim 1, wherein the second outlet of the extraction tank is arranged at a position on the side wall of the extraction tank higher than the bottom of the tank and is provided with a card type filter screen, and the second outlet of the extraction tank is further connected with a compressed air pipeline and a cleaning solvent backflushing pipeline.
4. The multifunctional high-efficiency continuous-circulation extraction modification and concentration equipment as claimed in claim 1, wherein a defoaming device is arranged in the evaporation and concentration tank, the defoaming device is a defoaming paddle installed on a central rotating shaft of the evaporation and concentration tank, the defoaming paddle comprises a paddle body and downward sawteeth integrally connected below the paddle body, edges of the sawteeth are provided with blades, and devices with defoaming screens are installed on solvent steam outlet pipelines of the evaporation and concentration tank and the extraction tank.
5. The multifunctional high-efficiency continuous-circulation extraction modification and concentration equipment as claimed in claim 1, wherein a wall scraping device for concentration is arranged in the evaporation and concentration tank, is arranged below the evaporation and concentration tank, and comprises paddles symmetrically and fixedly connected to a central rotating shaft of the evaporation and concentration tank, arc-shaped connecting arms fixedly connected to two ends of the paddles, and a plurality of scrapers fixedly connected to the connecting arms.
6. The multifunctional high-efficiency continuous-cycle extraction, modification and concentration apparatus as claimed in claim 1, further comprising at least one temperature-controlled steam heating source for heating the extraction tank and the evaporation and concentration tank, wherein the outlet of the temperature-controlled steam heating source is divided into two paths, one path is connected to the extraction tank, and the other path is connected to the evaporation and concentration tank through a steam pipeline.
7. The multifunctional efficient continuous-cycle extraction-modification-concentration equipment as claimed in claim 3, wherein the evaporation and concentration tank and the extraction tank are of a flanged tank structure, and can be cleaned after being opened; the evaporation and concentration tank is characterized by further comprising an air compressor connected with the evaporation and concentration tank, and a compressed air pipeline connected with the air compressor, wherein the compressed air pipeline provides pneumatic power for the evaporation and concentration tank during cover opening operation or provides compressed air for the compressed air pipeline.
8. The multifunctional efficient continuous-circulation extraction modification and concentration equipment as claimed in claim 1, wherein the first outlet of the cooler is further connected with a solvent discharge recovery valve, and the solvent discharge recovery valve is set to be opened when the 'pure' solvent is recovered.
9. The multifunctional high-efficiency continuous-circulation extraction modification and concentration equipment as claimed in claim 6, wherein the bottom of the evaporation and concentration tank is provided with a concentrated solution discharge port, the bottom of the extraction tank is provided with a discharge port for discharging extracted materials and residual solvents at the bottom, and the bottoms of the evaporation and concentration tank and the extraction tank are respectively provided with a water discharge port of a steam jacket for discharging part of steam and accumulated water generated in the heating process.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110975309A (en) * | 2019-12-30 | 2020-04-10 | 吉林省彩森仁生物科技有限责任公司 | Multifunctional efficient continuous circulating extraction, modification and concentration equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110975309A (en) * | 2019-12-30 | 2020-04-10 | 吉林省彩森仁生物科技有限责任公司 | Multifunctional efficient continuous circulating extraction, modification and concentration equipment |
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