CN220125637U - Filter for producing felodipine - Google Patents
Filter for producing felodipine Download PDFInfo
- Publication number
- CN220125637U CN220125637U CN202321318301.XU CN202321318301U CN220125637U CN 220125637 U CN220125637 U CN 220125637U CN 202321318301 U CN202321318301 U CN 202321318301U CN 220125637 U CN220125637 U CN 220125637U
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- China
- Prior art keywords
- filter
- cavity
- flow
- filtering
- valve
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- RZTAMFZIAATZDJ-HNNXBMFYSA-N 5-o-ethyl 3-o-methyl (4s)-4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate Chemical compound CCOC(=O)C1=C(C)NC(C)=C(C(=O)OC)[C@@H]1C1=CC=CC(Cl)=C1Cl RZTAMFZIAATZDJ-HNNXBMFYSA-N 0.000 title claims abstract description 21
- 229960003580 felodipine Drugs 0.000 title claims abstract description 21
- 238000001914 filtration Methods 0.000 claims abstract description 47
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 5
- 239000011550 stock solution Substances 0.000 abstract description 11
- 238000005086 pumping Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 10
- 238000003756 stirring Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- RZTAMFZIAATZDJ-UHFFFAOYSA-N felodipine Chemical compound CCOC(=O)C1=C(C)NC(C)=C(C(=O)OC)C1C1=CC=CC(Cl)=C1Cl RZTAMFZIAATZDJ-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a filter for producing felodipine, and particularly relates to the technical field of felodipine production and filtration. According to the utility model, the diversion filter assembly is arranged, the stock solution is led into the flow-collecting bottom cavity at the bottom of the second filter cavity through the second valve by the first valve and the conveying pipe after being precipitated and filtered in the third filter cavity, the stock solution is filtered again through the plurality of filter cores which are arranged in a stacked manner, the stock solution after being filtered by the filter cores is pumped by the pumping pipe and the third valve and then is injected into the first filter cavity by the flow-collecting bottom cavity at the bottom of the first filter cavity, and then the filtered stock solution is discharged through the discharge pipe at the top of the first filter cavity.
Description
Technical Field
The utility model relates to the technical field of felodipine production and filtration, in particular to a filter for producing felodipine.
Background
Felodipine is chemically named (+ -) -2, 6-dimethyl-4- (2, 3-dichlorophenyl) -1, 4-dihydro-3, 5-pyridinedicarboxylic acid methyl ester ethyl ester. White to pale yellow crystals or crystalline powders; no odor and smell. For felodipine drug production, the material is filtered through a filter.
The utility model patent with the patent application number of CN201920515824.0 discloses a stainless steel filter for producing felodipine, which comprises a filtering tank body, a cover, a stirring component and a screening component, wherein the top of the filtering tank body is provided with the cover, and the filtering tank body is provided with the stirring component; the stirring assembly comprises a servo motor, a first stirring rod, a driving shaft, a driving spur gear, a driven shaft a, a driven spur gear b, a second stirring rod and a driven shaft b, wherein the servo motor is fixed on one side of the top of the cover through screws, an output shaft of the servo motor is in transmission connection with the driving shaft through a coupling, and the driving shaft, the driven shaft a and the driven shaft b are vertically arranged in an inner cavity of the filtering tank body;
this structure is when using, stirs through gear drive biax, stirs and filters the action two unification through gear drive, carries out filtration efficiency, but this structure is when using, is difficult for carrying out the reposition of redundant personnel to the material and filters, is difficult for carrying the material, causes to filter the guide inefficiency.
Disclosure of Invention
The technical scheme of the utility model aims at the technical problems of the prior art solution and provides a solution which is obviously different from the prior art. In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a filter for producing felodipine, which aims to solve the above-mentioned problems of the prior art.
The utility model is realized in such a way that the utility model provides the following technical scheme: a filter for producing felodipine, comprising a base, wherein a diversion filter assembly is arranged on the base;
the flow guide filter assembly comprises a first filter cavity arranged at the top of the base, a second filter cavity is arranged at one side of the first filter cavity, a third filter cavity is arranged at one side of the second filter cavity, and flow gathering bottom cavities are respectively arranged at the bottoms of the first filter cavity, the second filter cavity and the third filter cavity;
a plurality of flow gathering bottom cavities are respectively provided with a transverse pipe, and each transverse pipe is respectively provided with a through hole;
a filter pad is arranged in the flow-collecting bottom cavity at the bottom of the second filter cavity, a pressure plate is arranged at the top of the filter pad, and a plurality of filter cores are arranged between the filter pad and the pressure plate in a stacked manner;
it can be seen that in the above technical scheme, after the stock solution is precipitated and filtered in the third filter cavity, the stock solution is guided into the flow-collecting bottom cavity at the bottom of the second filter cavity by the first valve and the conveying pipe through the second valve, and is filtered again through the filter cores which are arranged in a stacked manner.
Optionally, in one possible implementation manner, the diversion filtering assembly further includes a first valve disposed at one side of the bottom focusing bottom cavity of the second filtering cavity, one end of the first valve is provided with a conveying pipe, the conveying pipe is installed on the bottom focusing bottom cavity of the second filtering cavity, one side, far away from the first valve, of the bottom focusing bottom cavity of the third filtering cavity is provided with an injection pipe, the top of the second filtering cavity is provided with a third valve, one end of the third valve is provided with an extraction pipe, the injection pipe is provided with a water pump, one end of the water pump is installed on the bottom focusing bottom cavity of the first filtering cavity through a hose, the top of the first filtering cavity is provided with a discharge pipe, and the plurality of bottom focusing cavities are detachably connected with the base through bolts;
it can be seen that in the above-mentioned technical scheme, through the water pump start, through extracting pipe and third valve to the stoste after the filter core filters, pour into first filter cavity into by the chamber of flowing in the collection of first filter cavity bottom into, later discharge the stoste after will filtering through the drain pipe at first filter cavity top, the device realizes the multilayer reposition of redundant personnel filtration to the stoste, improves the filter effect.
The utility model has the technical effects and advantages that:
compared with the prior art, the device has the advantages that the diversion filter assembly is arranged, the whole design is simple, the structure is reasonable, through the corresponding cooperation of each structure, the stock solution is led into the flow-collecting bottom cavity at the bottom of the second filter cavity through the second valve by the first valve and the conveying pipe after being precipitated and filtered in the third filter cavity, and the stock solution is filtered again through the plurality of filter elements which are arranged in a stacked mode;
through the water pump start, through extracting pipe and third valve to the stoste after the filter core filters the back by the chamber injection first filtration cavity of flowing in of the collection of first filtration cavity bottom, later discharge the stoste after will filtering through the drain pipe at first filtration cavity top, the device realizes the multilayer reposition of redundant personnel filtration to the stoste, improves the filter effect, has good practicality when facilitating the use.
Drawings
In order to more clearly illustrate the technical solutions of the present disclosure, the drawings that need to be used in some embodiments of the present disclosure will be briefly described below, and it is apparent that the drawings in the following description are only drawings of some embodiments of the present disclosure, and other drawings may be obtained according to these drawings to those of ordinary skill in the art. Furthermore, the drawings in the following description may be regarded as schematic diagrams, not limiting the actual size of the products, the actual flow of the methods, the actual timing of the signals, etc. according to the embodiments of the present disclosure.
Fig. 1 is a front view of the overall structure of the present utility model.
Fig. 2 is a side view of the overall structure of the present utility model.
Fig. 3 is a side view of the overall cross-sectional structure of the present utility model.
Fig. 4 is a top view of the diverter filter assembly of the present utility model.
The reference numerals are: 1. a base; 2. a first filter cavity; 3. a second filter cavity; 4. a third filter cavity; 5. a flow-gathering bottom cavity; 6. a transverse tube; 7. a through hole; 8. a filter pad; 9. a filter element; 10. a pressure plate; 11. a first valve; 12. a delivery tube; 13. a second valve; 14. an injection tube; 15. a third valve; 16. an extraction tube; 17. a water pump; 18. a discharge pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the embodiment, as shown in fig. 1-4, a filter for producing felodipine is provided, through a diversion filter assembly arranged on a base 1, a function of diversion and multi-level filtration on materials is conveniently realized through a first filter cavity 2, a second filter cavity 3 and a third filter cavity 4, the material filtering effect is improved, and the specific structure of the assembly is as follows;
the diversion filtering assembly comprises a first filtering cavity 2 arranged at the top of the base 1, a second filtering cavity 3 is arranged on one side of the first filtering cavity 2, a third filtering cavity 4 is arranged on one side of the second filtering cavity 3, and a flow gathering bottom cavity 5 is respectively arranged at the bottoms of the first filtering cavity 2, the second filtering cavity 3 and the third filtering cavity 4;
the plurality of flow gathering bottom cavities 5 are respectively provided with a transverse pipe 6, and each transverse pipe 6 is respectively provided with a through hole 7;
a filter pad 8 is arranged in the flow-collecting bottom cavity 5 at the bottom of the second filter cavity 3, a pressure plate 10 is arranged at the top of the filter pad 8, and a plurality of filter elements 9 are arranged between the filter pad 8 and the pressure plate 10 in a stacking manner;
the water conservancy diversion filter component still includes the first valve 11 of setting in the bottom of second filter cavity 3 and gather end chamber 5 one side, the one end of first valve 11 is provided with conveyer pipe 12, conveyer pipe 12 installs on the bottom chamber 5 that gathers of second filter cavity 3 bottoms, the one side that the bottom chamber 5 was kept away from to the bottom of third filter cavity 4 gathers first valve 11 is provided with injection tube 14, the top of second filter cavity 3 is provided with third valve 15, the one end of third valve 15 is provided with extraction pipe 16, be provided with water pump 17 on the injection tube 14, the one end of water pump 17 passes through the hose to be installed on the bottom chamber 5 that gathers of first filter cavity 2 bottoms, the top of first filter cavity 2 is provided with discharge tube 18, a plurality of bottom chamber 5 all pass through the bolt detachably with base 1 and are connected.
According to the structure, when the device is used, a worker installs the device at a designated position, when felodipine primary liquid is filtered, the primary liquid is injected into the flow-collecting bottom cavity 5 at the bottom of the third filter cavity 4 from one end of the injection pipe 14, the primary liquid is led into the flow-collecting bottom cavity 5 at the bottom of the second filter cavity 3 through the first valve 11 and the conveying pipe 12 after being precipitated and filtered in the third filter cavity 4, and the primary liquid is filtered again through a plurality of filter elements 9 which are arranged in a stacked manner;
simultaneously, the pump 17 is started, the extracting pipe 16 and the third valve 15 are used for extracting the stock solution filtered by the filter element 9, then the concentrated flow bottom cavity 5 at the bottom of the first filter cavity 2 is filled into the first filter cavity 2, and then the filtered stock solution is discharged through the discharge pipe 18 at the top of the first filter cavity 2, so that the device realizes multi-level split-flow filtration of the stock solution and improves the filtering effect.
Different from the condition of the prior art, the utility model discloses a filter for producing felodipine, which is characterized in that raw liquid is injected into a flow-gathering bottom cavity 5 at the bottom of a third filter cavity 4 from one end of an injection pipe 14, the raw liquid is led into the flow-gathering bottom cavity 5 at the bottom of a second filter cavity 3 through a first valve 11 and a conveying pipe 12 after being precipitated and filtered in the third filter cavity 4, the raw liquid is filtered again through a plurality of filter cores 9 which are arranged in a stacked manner, the raw liquid after being filtered by the filter cores 9 is extracted through an extraction pipe 16 and a third valve 15, and then is injected into the first filter cavity 2 through the flow-gathering bottom cavity 5 at the bottom of the first filter cavity 2, and then the filtered raw liquid is discharged through a discharge pipe 18 at the top of the first filter cavity 2, so that the device realizes multi-level split filtering of the raw liquid and improves the filtering effect.
The foregoing is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the utility model, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present utility model.
Claims (7)
1. A filter for the production of felodipine, comprising a base (1), characterized in that: a diversion filter assembly is arranged on the base (1);
the flow guide filtering assembly comprises a first filtering cavity (2) arranged at the top of the base (1), a second filtering cavity (3) is arranged on one side of the first filtering cavity (2), a third filtering cavity (4) is arranged on one side of the second filtering cavity (3), and a flow gathering bottom cavity (5) is respectively arranged at the bottoms of the first filtering cavity (2), the second filtering cavity (3) and the third filtering cavity (4);
a plurality of flow gathering bottom cavities (5) are respectively provided with a transverse pipe (6), and each transverse pipe (6) is respectively provided with a through hole (7);
the filter is characterized in that a filter pad (8) is arranged in the flow-collecting bottom cavity (5) at the bottom of the second filter cavity (3), a pressure plate (10) is arranged at the top of the filter pad (8), and a plurality of filter cores (9) are arranged between the filter pad (8) and the pressure plate (10) in a stacked mode.
2. A filter for producing felodipine according to claim 1, wherein: the diversion filtering assembly further comprises a first valve (11) arranged on one side of the flow gathering bottom cavity (5) at the bottom of the second filtering cavity (3), and a conveying pipe (12) is arranged at one end of the first valve (11).
3. A filter for producing felodipine according to claim 2, wherein: the conveying pipe (12) is arranged on the flow-gathering bottom cavity (5) at the bottom of the second filter cavity (3), and an injection pipe (14) is arranged at one side, far away from the first valve (11), of the flow-gathering bottom cavity (5) at the bottom of the third filter cavity (4).
4. A filter for producing felodipine according to claim 1, wherein: the top of second filter cavity (3) is provided with third valve (15), one end of third valve (15) is provided with extraction pipe (16).
5. A filter for producing felodipine according to claim 3, wherein: the injection pipe (14) is provided with a water pump (17), and one end of the water pump (17) is installed on the flow gathering bottom cavity (5) at the bottom of the first filter cavity (2) through a hose.
6. A filter for producing felodipine according to claim 1, wherein: the top of the first filter cavity (2) is provided with a discharge pipe (18).
7. A filter for producing felodipine according to claim 1, wherein: the plurality of flow-gathering bottom cavities (5) are detachably connected with the base (1) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321318301.XU CN220125637U (en) | 2023-05-26 | 2023-05-26 | Filter for producing felodipine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321318301.XU CN220125637U (en) | 2023-05-26 | 2023-05-26 | Filter for producing felodipine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220125637U true CN220125637U (en) | 2023-12-05 |
Family
ID=88964005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321318301.XU Active CN220125637U (en) | 2023-05-26 | 2023-05-26 | Filter for producing felodipine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220125637U (en) |
-
2023
- 2023-05-26 CN CN202321318301.XU patent/CN220125637U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |