CN216023292U - Grid filter screen formula alcohol precipitation jar - Google Patents
Grid filter screen formula alcohol precipitation jar Download PDFInfo
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- CN216023292U CN216023292U CN202122743259.3U CN202122743259U CN216023292U CN 216023292 U CN216023292 U CN 216023292U CN 202122743259 U CN202122743259 U CN 202122743259U CN 216023292 U CN216023292 U CN 216023292U
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Abstract
The utility model discloses a grid filter screen type alcohol precipitation tank, and belongs to the field of pharmaceutical equipment. Mainly by jar body (1), agitator (2) and bottom (3) are constituteed, bottom (3) upper end is provided with grid filter screen (4), and the upper portion of jar body (1) is provided with air pressure valve (5). The utility model has novel design, scientific structure and convenient operation, can separate and collect the liquid medicine flocculated in the alcohol precipitation residue to the maximum extent, saves medicinal material resources, saves labor cost, improves the paste yield of the traditional Chinese medicine extract, is beneficial to the stable and controllable preparation quality and can achieve the aim of protecting the production environment.
Description
Technical Field
The utility model relates to a high-efficiency alcohol precipitation tank, in particular to a grid filter screen type alcohol precipitation tank which is suitable for a traditional Chinese medicine extracting solution refining and alcohol precipitation process and belongs to the field of pharmaceutical equipment.
Background
The Chinese medicinal material decoction extract contains a large amount of protein, tanning, resin, starch, mucus, pectin, pigment and other components, and during the extraction and purification of Chinese medicinal materials, the non-effective components must be effectively removed, effective components are enriched, the clarity and stability of a liquid preparation are improved, and the dosage of a solid preparation is reduced. The alcohol precipitation method is a method for refining and removing impurities from a traditional Chinese medicine water extract, which is widely adopted at present, and the principle is that by utilizing the characteristic that effective components can be dissolved in ethanol and impurity components are not dissolved in an ethanol solution, after ethanol is added into a traditional Chinese medicine water extract concentrated solution to reach a certain concentration, active components are dissolved in the ethanol solution, and other components are precipitated and removed.
In the existing alcohol precipitation equipment alcohol precipitation tank, an alcohol solution is collected mainly by adopting a supernatant suction mode in the alcohol precipitation operation process. However, for some Chinese medicine varieties, alcohol sediments are fluffy and can adsorb a large amount of ethanol solution containing active ingredients, and the ethanol solution containing a large amount of active ingredients cannot be effectively collected by suction in the fluffy alcohol sediments, so that the liquid medicine and the sediments are discarded together, the waste of medicinal material resources is caused, the production cost is increased, the extraction rate of the active ingredients of the raw medicinal materials is relatively reduced, and the pressure and adverse effect on the environment can be generated.
SUMMERY OF THE UTILITY MODEL
Aiming at the common technical problems that the existing alcohol precipitation tank cannot effectively collect a large amount of liquid medicine contained in floccules in the fluffy alcohol precipitate, so that the part of liquid medicine and the precipitate are discarded together, and a large amount of waste of medicinal material resources and environmental pressure are caused, the utility model aims to solve the technical problem of providing a novel grid filter screen type alcohol precipitation tank for efficiently collecting the liquid medicine in the alcohol precipitation.
The inventor carries out innovative design and optimization to current alcohol precipitation jar, through setting up grid filter 4 to set up novel structures such as "pneumatics entry 3", "high pressure nozzle 7", realize light, high-efficient wadding in collecting the alcohol sediment and contain the purpose of liquid medicine, practiced thrift valuable medicinal material resource, increased the content of chinese medicinal preparation pharmacodynamic component, reduced manufacturing cost, and reached the purpose of protection production environment.
The technical problem solved by the utility model is realized by the following technical scheme:
a grid filter screen type alcohol precipitation tank mainly comprises a tank body 1, a stirrer 2 and a bottom cover 3, and is characterized in that a grid filter screen 4 is arranged at the upper end of the bottom cover 3, and an air pressure valve 5 is arranged at the upper part of the tank body 1.
The left side of the upper part of the tank body 1 is provided with a supernatant lifting and extracting device 6, the right side of the upper part of the tank body 1 is provided with a high-pressure spray head 7, and the lower end of the bottom cover 3 is provided with a liquid discharging port 8.
In the utility model, the grating filter screen 4 is a circular double-layer detachable structure, and is formed by connecting a bottom filter plate 41 and a cover filter plate 42 into an openable structure through a hinge 43, and a filter material limiting groove 44 is arranged in the middle.
In the utility model, the bottom filter plate 41 and the cover filter plate 42 are both provided with filter holes 45, and the filter holes 45 are one of circular, square and rhombic.
Preferably, the pore diameter of the filter pore 45 is 120-180 μm;
preferably, the preferred pore size of the filter pores 45 is 145-160 μm;
further preferably, the pore diameter of the filtration pores 45 is 150 μm.
In the optimization and upgrading processes of the grid filter screen type alcohol precipitation tank, the inventor notices that alcohol precipitates of a plurality of compound traditional Chinese medicine extracting solutions are fluffy and are in a dispersed and suspended loose state, wherein the wrapped and flocculated traditional Chinese medicine solutions contain more liquid medicines, and a large amount of ethanol solutions containing effective components contained in the flocculated fluffy alcohol precipitates cannot be effectively collected by adopting conventional suction, so that the liquid medicines and the precipitates are discarded together, the loss of effective substances and the waste of ethanol are caused, the environment is polluted, and the energy conservation, the consumption reduction and the full utilization of resources are not facilitated. Therefore, the inventor carries out innovative design to the bottom cover of alcohol precipitation jar on the basis of conventional alcohol precipitation jar "suction" collection alcohol precipitation supernatant, through set up grid filter screen 4 in bottom 3 upper end, is provided with air compression valve 5 in the upper portion of jar body 1, makes the liquid medicine that can't collect through traditional "suction" mode in the alcohol precipitation sediment, collects through the method of jar body pressurization, filter screen pressure rate, realizes the light, high-efficient purpose of collecting wadding contains the liquid medicine in the alcohol precipitation sediment.
Specifically, when the grid filter screen type alcohol precipitation tank is used for refining and alcohol precipitation, the grid filter screen 4 arranged at the upper end of the bottom cover 3 is taken down in advance, the bottom filter plate 41 and the cover filter plate 42 which are connected by the hinge 43 are opened, filter materials such as filter paper, pulp board, electric woven fabric and the like are placed in the filter material limiting groove 44 arranged in the middle of the grid filter screen 4, then the bottom filter plate 9 and the cover filter plate 42 are closed, the grid filter screen 4 is placed at the upper end of the bottom cover 3 again, the bottom cover 3 is closed, and the traditional Chinese medicine extraction concentrated solution is added for alcohol precipitation.
And (3) precipitating the extracting solution by alcohol, standing, precipitating for 24-48h, and then sucking the supernatant in the tank body 1 through a supernatant lifting and extracting device 6 until the supernatant is completely extracted. Then, the supernatant lifting and extracting device 6 is closed, the air pressure valve 5 arranged at the upper part of the tank body 1 is opened, pressure is applied to the inside of the tank body 1, and the liquid discharging port 8 arranged at the lower end of the bottom cover 3 is opened at the same time. Under the action of the pressure difference between the inside and the outside of the tank body 1 and the gravity, the liquid medicine flocculated in the alcohol precipitation slag is discharged from the liquid discharge port 8 after being filtered by the grating filter screen 4, and the alcohol precipitation slag is intercepted inside the tank body 1 by the grating filter screen 4, so that the solid-liquid separation is realized, and the purpose of fully and efficiently collecting the liquid medicine flocculated in the alcohol precipitation slag is achieved.
After the liquid medicine is exhausted, the air pressure valve 5 is closed, the bottom cover 3 is opened after the internal and external pressure of the tank body 1 is balanced, the grid filter screen 4 arranged at the upper end of the bottom cover 3 is taken out, the material limiting grooves 12 of the bottom surface filter plate 41 and the cover surface filter plate 42 are opened, the filter material is discharged, the filter material is discarded, and the grid filter screen 4 is cleaned for standby. Meanwhile, alcohol sediments are removed, and the high-pressure spray head 7 arranged on the right side of the tank body 1 is opened to clean the tank body 1 through high-pressure water mist for later use.
The utility model has scientific structure, convenient operation, environment protection and obvious generated technical effect, is suitable for pilot plant and workshop mass production, and has the following substantive characteristics and progresses compared with the prior conventional alcohol precipitation tank:
1) through set up grid filter screen 4 in the 3 upper ends of the bottom of jar body 1 and set up air pressure valve 5 on jar body 1 upper portion under the pressure differential effect of internal and external, hold back the effect through grid filter screen 4, can contain the liquid medicine at utmost separation, the collection of wadding in the alcohol precipitation sediment, practiced thrift the medicinal material resource, increased the content of chinese medicinal preparation pharmacodynamic component, practiced thrift the cost of labor to reach the purpose of protection production environment.
2) The circular double-layer detachable structure of the grid filter screen 4 can be easily placed on or taken down from the bottom cover 3, and is convenient to clean; the grating filter screen 4 is an openable structure consisting of a bottom filter plate 41, a cover filter plate 42 and a hinge 43, and is convenient to open, and a filter material limiting groove 44 is arranged in the middle of the grating filter screen to easily place filter materials, so that the grating filter screen is quick and convenient; and the filtering holes 45 are arranged on the bottom surface filter plate 41 and the cover surface filter plate 42, so that the primary filtering effect can be achieved, the supporting effect on the filtering material can also be achieved, the damage of the filtering material caused by pressure difference is prevented, and the filtering material is saved.
3) Compared with the existing alcohol precipitation production equipment, the grid filter screen type alcohol precipitation tank can improve the extraction rate of the traditional Chinese medicine extract, is beneficial to stable and controllable preparation quality, can reduce the solvent loss by recovering the liquid medicine in the alcohol precipitation residue and ethanol, improves the resource utilization rate, reduces the production cost, realizes the purpose of safe and efficient production, and has wide popularization and application prospects.
Drawings
In order to facilitate understanding and mastering of the technical solution of the present invention, the drawings will be briefly introduced below. It should be understood that the following drawings are not to be considered limiting of the described scope of the technical solution, and that other relevant drawings may be obtained from the following drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a grid filter type alcohol precipitation tank
The reference numerals are as follows: 1-tank body; 2-a stirrer; 3-bottom cover; 4-a grid filter screen; 5-air pressure valve; 6-a supernatant lifting and extracting device; 7-high pressure spray head; 8-liquid discharge port.
FIG. 2 is a schematic view of a grid filter screen structure
The reference numerals are as follows: 41-bottom filter plate; 42-cover surface filter plate; 43-hinge; 44-a filter material limiting groove; 45-filtration pore.
Detailed Description
The following describes in further detail embodiments of the present invention with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present application clearer and clearer, the technical solutions in the embodiments will be described in detail and fully with reference to the accompanying drawings. It should be apparent that the following examples are part, but not all, of the examples of the present application. In general, the components and connections shown and described in the drawings and this embodiment may be arranged and configured in other ways, not to mention here, due to space limitations.
Therefore, the following detailed description of the embodiments does not limit the scope of the claims of the present application, and equivalents and modifications made by those skilled in the art without inventive faculty are intended to be included in the scope of the present invention.
As shown in attached figure 1, the novel volatile oil extraction device is mainly composed of a tank body 1, a stirrer 2 and a bottom cover 3, wherein a grid filter screen 4 is arranged at the end of the bottom cover 3, and an air pressure valve 5 is arranged at the upper part of the tank body 1. The left side of the upper part of the tank body 1 is provided with a supernatant lifting and extracting device 6, the right side of the tank body 1 is provided with a high-pressure nozzle 7, and the end of the bottom cover 3 is provided with a liquid discharging port. The circular double-layer detachable structure of the grating filter screen 4 is an openable structure consisting of a bottom filter plate 41, a cover filter plate 42 and a hinge 43, and the middle of the structure is provided with a filter material limiting groove 44.
During refining and alcohol precipitation, the grating filter screen 4 arranged at the end of the bottom cover 3 is taken down in advance, filter materials such as bottom filter plates 9 and cover filter plates 42 of the hinges 43 are placed among the grating filter screens 4, filter material limiting grooves 44 are formed among the grating filter screens 4, then the bottom filter plates 41 and the cover filter plates 42 are closed, the grating filter screens 4 are placed at the end of the bottom cover 3, the bottom cover 3 is closed, traditional Chinese medicine extracting concentrated solution is added, and alcohol precipitation is carried out.
And (3) precipitating the extracting solution by alcohol, standing, precipitating for 24-48h, and sucking the supernatant in the tank body 1 through a supernatant lifting and extracting device 6 until the supernatant is completely extracted. Then, close supernatant lift draw-off device 6 and open the pneumatics valve 5 that jar body 1 portion set up and exert pressure to jar body 1 portion, open the drain 8 that the bottom 3 end set up simultaneously under jar body 1 external pressure difference and the action of gravity, the liquid medicine that the flocculation contained in the alcohol precipitation sediment is filtered through grid filter screen 4, goes out from drain 8, and the alcohol precipitation sediment is then stayed jar body 1 portion by grid filter screen 4, realizes solid-liquid separation, reaches the purpose that contains the sufficient, high-efficient collection of medicine liquid to flocculation in the alcohol precipitation sediment.
After the liquid medicine is exhausted, the air pressure valve 5 is closed, the bottom cover 3 is opened after the external pressure of the tank body 1 is balanced, the grid filter screen 4 arranged at the end of the bottom cover 3 is discharged, the bottom filter plate 41 is opened, the face filter plate 42 is covered by the filter material limiting groove 44, the filter material is discharged, the filter material is discarded, and the grid filter screen 4 is cleaned for standby. Meanwhile, alcohol sediments are removed, and the high-pressure spray head 7 arranged on the right side of the tank body 1 is opened to clean the tank body 1 through high-pressure water mist for later use.
Example 2 Gardenia alcohol sediment liquid medicine Collection test
1.1 alcohol precipitation Collection
The inventor takes gardenia in the prescription of Yinzhihuang granules of Shangpu pharmaceutical Co., Ltd in Lunan, respectively applies the grid filter screen type alcohol precipitation tank and the conventional alcohol precipitation tank (model: TL-CCG-300, Wenzhou city gold frame light industrial machinery Co., Ltd) to carry out alcohol precipitation operation, collects alcohol precipitation liquid and weighs the alcohol precipitation liquid, and the specific method comprises the following steps:
1.1.1 Collection of supernatant from alcohol precipitation in existing alcohol precipitation tank
30kg of gardenia medicinal material is decocted twice for 2 hours each time, the decoction is combined, and the mixture is concentrated to an extract with the density of 1.22 at the temperature of 50-60 ℃. Placing in an alcohol precipitation tank, starting a stirrer for stirring, adding 95% ethanol solution to make the alcohol content reach 70%, stirring for 30min, standing for precipitation for 48 h. After the alcohol precipitation is finished, the supernatant is sucked by the supernatant lifting and extracting device 6 and weighed. After the extraction is finished, the bottom cover is opened, alcohol precipitation residues are discharged, and the tank body 1 is cleaned to be clean through high-pressure water mist for later use.
1.1.2 collecting supernatant of a grid filter type alcohol precipitation tank
30kg of gardenia medicinal material is decocted twice for 2 hours each time, the decoction is combined, and the mixture is concentrated to an extract with the density of 1.22 at the temperature of 50-60 ℃. Placing in an alcohol precipitation tank, starting a stirrer for stirring, adding 95% ethanol solution to make the alcohol content reach 70%, stirring for 30min, standing for precipitation for 48 h. After the alcohol precipitation is finished, the supernatant is firstly pumped by the supernatant lifting and extracting device 6 for later use.
Then, close supernatant lift draw-off device 6 and open the pneumatics valve 5 that jar body 1 portion set up and exert pressure to jar body 1 portion, open the drain port 8 that the bottom 3 end set up simultaneously and under jar body 1 external pressure difference and the action of gravity, the liquid medicine that contains in the sediment of alcohol precipitation is filtered through grid filter 4 after, goes out from drain port 8 for subsequent use. The alcohol sediment is intercepted in the tank body 1 by the grating filter screen 4 to realize solid-liquid separation.
After the liquid medicine is exhausted, the air pressure valve 5 is closed, the bottom cover 3 is opened after the external pressure of the tank body 1 is balanced, the grid filter screen 4 arranged at the end of the bottom cover 3 is discharged, the bottom filter plate 41 is opened, the face filter plate 42 is covered by the filter material limiting groove 44, the filter material is discharged, the filter material is discarded, and the grid filter screen 4 is cleaned for standby. Meanwhile, alcohol sediments are removed, and the high-pressure spray head 7 arranged on the right side of the tank body 1 is opened to clean the tank body 1 through high-pressure water mist for later use.
1.2 statistical methods
Data analysis was performed using GraphPad Prism Software version 5(GraphPad Software, usa) and results are expressed as mean ± standard deviation. P < 0.05 was considered to be statistically significantly different.
2 results of the experiment
The results are shown in table 1, compared to a conventional alcohol precipitation tank. When the grid filter screen type alcohol precipitation tank is used for alcohol precipitation of the gardenia extract, the recovery amount of an alcohol precipitation liquid is remarkably improved (P is less than 0.01), and the grid filter screen type alcohol precipitation tank disclosed by the utility model can be used for improving the liquid medicine yield, reducing the ethanol loss and emission, and is beneficial to reducing the production cost, improving the productivity and protecting the environment.
TABLE 1 recovery of alcohol precipitation solution: (
n＝3，kg)
Note: compared with the existing alcohol precipitation tank, ". x" indicates that P is less than 0.01.
Example 3 liquid medicine Collection test of alcohol sediment of honeysuckle
1 method of experiment
1.1 alcohol precipitation Collection
The inventor takes honeysuckle in the prescription of Yinzhihuang granules of Shannan thicket pharmaceutical Co., Ltd as a research object, respectively applies the grid filter screen type alcohol precipitation tank and the conventional alcohol precipitation tank (model: TL-CCG-300, Wenzhou city Jinbang light industry machinery Co., Ltd.) to carry out alcohol precipitation operation, collects alcohol precipitation liquid and weighs the alcohol precipitation liquid, and the specific method comprises the following steps:
1.1.1 Collection of supernatant from alcohol precipitation in existing alcohol precipitation tank
Decocting 15kg of honeysuckle medicinal material twice for 2h each time, combining the decoction, and concentrating to obtain an extract with the density of 1.18 at 50-60 ℃. Placing in an alcohol precipitation tank, starting a stirrer for stirring, adding 95% ethanol solution to make the alcohol content reach 75%, stirring for 30min, standing for precipitation for 48 h. After the alcohol precipitation is finished, the supernatant is sucked by the supernatant lifting and extracting device 6 and weighed. After the extraction is finished, the bottom cover is opened, alcohol precipitation residues are discharged, and the tank body 1 is cleaned to be clean through high-pressure water mist for later use.
1.1.2 collecting supernatant of a grid filter type alcohol precipitation tank
Decocting 15kg of honeysuckle medicinal material twice for 2h each time, combining the decoction, and concentrating to obtain an extract with the density of 1.18 at 50-60 ℃. Placing in an alcohol precipitation tank, starting a stirrer for stirring, adding 95% ethanol solution to make the alcohol content reach 75%, stirring for 30min, standing for precipitation for 48 h. After the alcohol precipitation is finished, the supernatant is firstly pumped by the supernatant lifting and extracting device 6 for later use.
Then, close supernatant lift draw-off device 6 and open the pneumatics valve 5 that jar body 1 portion set up and exert pressure to jar body 1 portion, open the drain port 8 that the bottom 3 end set up simultaneously and under jar body 1 external pressure difference and the action of gravity, the liquid medicine that contains in the sediment of alcohol precipitation is filtered through grid filter 4 after, goes out from drain port 8 for subsequent use. The alcohol sediment is intercepted in the tank body 1 by the grating filter screen 4 to realize solid-liquid separation.
After the liquid medicine is exhausted, the air pressure valve 5 is closed, the bottom cover 3 is opened after the external pressure of the tank body 1 is balanced, the grid filter screen 4 arranged at the end of the bottom cover 3 is discharged, the bottom filter plate 41 is opened, the face filter plate 42 is covered by the filter material limiting groove 44, the filter material is discharged, the filter material is discarded, and the grid filter screen 4 is cleaned for standby. Meanwhile, alcohol sediments are removed, and the high-pressure spray head 7 arranged on the right side of the tank body 1 is opened to clean the tank body 1 through high-pressure water mist for later use.
1.2 statistical methods
Data analysis was performed using GraphPad Prism Software version 5(GraphPad Software, usa) and results are expressed as mean ± standard deviation. P < 0.05 was considered statistically different.
2 results of the experiment
The results are shown in table 2, compared to the existing alcohol precipitation tank. The grid filter screen type alcohol precipitation tank is used for carrying out alcohol precipitation operation on the honeysuckle extract, and the recovery amount of an alcohol precipitation liquid is remarkably improved (P is less than 0.05), so that the grid filter screen type alcohol precipitation tank can improve the liquid medicine yield, reduce the ethanol loss and discharge, and is favorable for reducing the production cost, improving the productivity and protecting the environment.
TABLE 2 recovery of alcohol precipitation solution: (
n＝3，kg)
Note: compared with the existing alcohol precipitation tank, "+" indicates that P is less than 0.05.
Claims (7)
1. A grid filter screen type alcohol precipitation tank mainly comprises a tank body (1), a stirrer (2) and a bottom cover (3), and is characterized in that a grid filter screen (4) is arranged at the upper end of the bottom cover (3), and an air pressure valve (5) is arranged at the upper part of the tank body (1).
2. The grid filter screen type alcohol precipitation tank as claimed in claim 1, wherein a supernatant lifting and extracting device (6) is arranged on the left side of the upper part of the tank body (1), a high-pressure spray head (7) is arranged on the right side of the upper part of the tank body (1), and a liquid discharging port (8) is arranged at the lower end of the bottom cover (3).
3. The grid filtering net type alcohol precipitation tank is characterized in that the grid filtering net (4) is of a circular double-layer detachable structure, an openable structure is formed by connecting a bottom surface filtering plate (41) and a cover surface filtering plate (42) through a hinge (43), and a filtering material limiting groove (44) is formed in the middle of the openable structure.
4. The grid filter screen type alcohol precipitation tank as claimed in claim 3, wherein the bottom surface filter plate (41) and the cover surface filter plate (42) are both provided with filter holes (45), and the filter holes (45) are one of circular, square and diamond.
5. The grid filter type alcohol precipitation tank as claimed in claim 4, wherein the pore size of the filter pores (45) is 120-180 μm.
6. The grid-filter type alcohol precipitation tank as claimed in claim 5, wherein the pore size of the filter pores (45) is 145-160 μm.
7. The grid-filter type alcohol precipitation tank as claimed in claim 6, wherein the pore size of the filter pores (45) is 150 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122743259.3U CN216023292U (en) | 2021-11-10 | 2021-11-10 | Grid filter screen formula alcohol precipitation jar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122743259.3U CN216023292U (en) | 2021-11-10 | 2021-11-10 | Grid filter screen formula alcohol precipitation jar |
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| Publication Number | Publication Date |
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| CN216023292U true CN216023292U (en) | 2022-03-15 |
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| CN202122743259.3U Active CN216023292U (en) | 2021-11-10 | 2021-11-10 | Grid filter screen formula alcohol precipitation jar |
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- 2021-11-10 CN CN202122743259.3U patent/CN216023292U/en active Active
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