Sitagliptin intermediate acting and filtering equipment
By designing a filtering device for producing a sitagliptin intermediate that includes filtering components and backwashing components, the problem of low efficiency of the filtration equipment in the prior art is solved, and continuous filtration and efficient production of sitagliptin intermediates are achieved.
Patent Information
- Application Number
- CN202421003859.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-10
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-10
AI Technical Summary
In the prior art, in the production process of sitagliptin intermediates, the filtration equipment is inefficient and requires frequent cleaning of the filter plate, resulting in a reduced production efficiency.
A filtration device for the production of a sitagliptin intermediate including a filter assembly, a filtrate collection assembly, a loading and unloading assembly and a backwashing assembly was designed. The filter cartridge is driven by a reducer motor to rotate, and the inner wall of the filter cartridge is cleaned by a backwashing assembly to ensure continuous filtration. And prevent clogging.
The continuous filtration of sitagliptin intermediate is achieved, which improves production efficiency, and improves the operating efficiency of the equipment through filtrate collection and filter slag discharge treatment.
Smart Images
Figure CN222239035U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sitagliptin intermediate production equipment, in particular to a sitagliptin intermediate production filtering equipment. Background Art
[0002] When producing sitagliptin intermediates, the sitagliptin intermediate stock solution needs to be filtered through a filtering device, the filtrate is concentrated to dryness under reduced pressure, ethyl acetate is added to the residue, the temperature is raised to reflux, and the temperature is lowered to crystallize.
[0003] In the prior art, when filtering the raw material liquid, a simple filter plate is generally used for filtering, and impurities are retained on the upper outer surface of the filter plate. After each filtration period, the filter plate needs to be cleaned, thereby reducing production efficiency.
[0004] To this end, we propose a sitagliptin intermediate system action filtering device. Utility Model Content
[0005] 1. Technical issues to be solved
[0006] In view of the shortcomings of the prior art, the utility model provides a sitagliptin intermediate system functional filtering equipment, which is convenient for continuous filtration of raw material liquid, improves processing efficiency and other advantages, and can effectively solve the problems in the background technology.
[0007] (II) Technical solution
[0008] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a sitagliptin intermediate system filtering device, including a filtering assembly, the filtering assembly includes a support frame, a reduction motor, a fixed block, a rotating shaft, a sealing plate, a filter cartridge and a material retaining ring plate, and a filtrate collecting assembly is arranged at the lower part of the filter cartridge, and a backwashing assembly is arranged at the upper part of the filter cartridge, and a top and bottom material assembly is fixedly installed on one side of the filtrate collecting assembly, and the filtrate collecting assembly includes a collecting box, a guide plate and a discharge valve, and the top and bottom material assembly includes a filter residue guide groove, a guide slope, a support plate, a connecting arm plate and a feed pipe, the backwashing assembly includes a fixed bracket, a water supply pipe and a flushing head, and the fixed block is fixedly installed in the middle of one side of the outer surface of the upper end of the support frame, and the reduction motor is fixedly installed in the middle of the outer surface of the upper end of the support frame.
[0009] Preferably, the rotating shaft is connected to an outer surface of one end of the reduction motor, a coupling is provided between the rotating shaft and the reduction motor, and the outer surface of one end of the rotating shaft is fixedly connected to an outer surface of one end of an output shaft in the reduction motor through the coupling.
[0010] Preferably, the rotating shaft passes through the fixed block, a sealed bearing is provided between the rotating shaft and the fixed block, the rotating shaft is rotatably connected to the fixed block through the sealed bearing, the outer surface of one end of the rotating shaft is fixedly connected to the middle part of the outer surface of one side of the sealing plate, the filter cartridge is fixedly installed on the outer surface of the other side of the sealing plate, and the retaining ring plate is fixedly installed on the outer surface of one end of the filter cartridge away from the sealing plate.
[0011] Preferably, the fixed bracket is fixedly installed on the outer surface of the upper end of the support frame close to one end of the fixed block, the outer surface of the upper end of the fixed bracket is fixedly connected to the outer wall of one end of the water supply pipe, the number of the flushing heads is five groups, the five groups of flushing heads are fixed at equal intervals on the outer surface of the lower end of the water supply pipe away from one end of the fixed bracket, and the flushing heads are located on the upper part of the filter cartridge.
[0012] Preferably, the material collection box is fixedly mounted on the outer surface of one end of the support frame, the guide plate is fixedly mounted inside the material collection box, and the discharge valve is fixedly mounted on the lower middle part of the outer surface of the front end of the material collection box.
[0013] Preferably, the connecting arm plate is fixedly installed between the lower part of the outer surface of one side of the support plate and the outer surface of one side of the collection box, the upper end outer surface of the support plate is fixedly connected to the lower end outer surface of the filter residue guide groove, the feed pipe passes through the support plate and extends into the lower part of the inner cavity of the filter cartridge, and one end of the filter residue guide groove extends into the upper part of the inner cavity of the filter cartridge.
[0014] (III) Beneficial effects
[0015] Compared with the prior art, the utility model provides a sitagliptin intermediate system action filtration device, which has the following beneficial effects:
[0016] 1. The filter device for preparing the intermediate of sitagliptin is convenient for filtering the raw material liquid through the filter component provided, and the filtering can be continued through the backwashing of the backwashing component, and the filter cartridge will not be blocked, thereby improving the production efficiency.
[0017] 2. This kind of sitagliptin intermediate system function filtering equipment is convenient for discharging filter residues through the provided upper and lower material components.
[0018] 3. The sitagliptin intermediate system function filtering device is convenient for collecting and processing the filtrate by means of the filtrate collecting component. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a schematic diagram of the overall structure of a sitagliptin intermediate system filtering device of the utility model.
[0020] Figure 2 This is a schematic structural diagram of a filter component in a filter device for filtering a sitagliptin intermediate according to the utility model.
[0021] Figure 3 This is a structural schematic diagram of a filtrate collecting component in a filter device for preparing a sitagliptin intermediate according to the utility model.
[0022] Figure 4 This is a structural schematic diagram of the upper and lower material components in a filter device for preparing a sitagliptin intermediate system according to the utility model.
[0023] Figure 5 This is a structural schematic diagram of a backwash component in a filter device for filtering a sitagliptin intermediate system according to the utility model.
[0024] In the figure: 1. Filter assembly; 2. Filtrate collecting assembly; 3. Loading and unloading assembly; 4. Backwashing assembly; 5. Support frame; 6. Reducer motor; 7. Fixed block; 8. Rotating shaft; 9. Sealing plate; 10. Filter cartridge; 11. Material retaining ring plate; 12. Collecting box; 13. Guide plate; 14. Discharge valve; 15. Filter residue guide groove; 16. Guide slope; 17. Support plate; 18. Connecting arm plate; 19. Feed pipe; 20. Fixed bracket; 21. Water supply pipe; 22. Flushing head. DETAILED DESCRIPTION
[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0026] This embodiment is a filter device for the action of a sitagliptin intermediate.
[0027] like Figure 1-5 As shown, it includes a filter assembly 1, which includes a support frame 5, a reduction motor 6, a fixed block 7, a rotating shaft 8, a sealing plate 9, a filter cartridge 10 and a material retaining ring plate 11, and a filtrate collecting assembly 2 is arranged at the lower part of the filter cartridge 10, and a backwashing assembly 4 is arranged at the upper part of the filter cartridge 10. A top and bottom material assembly 3 is fixedly installed on one side of the filtrate collecting assembly 2, and the filtrate collecting assembly 2 includes a collecting box 12, a guide plate 13 and a discharge valve 14, and the top and bottom material assembly 3 includes a filter residue guide groove 15, a guide slope 16, a support plate 17, a connecting arm plate 18 and a feed pipe 19, the backwashing assembly 4 includes a fixed bracket 20, a water supply pipe 21 and a flushing head 22, and the fixed block 7 is fixedly installed in the middle of one side of the outer surface of the upper end of the support frame 5, and the reduction motor 6 is fixedly installed in the middle of the outer surface of the upper end of the support frame 5.
[0028] The rotating shaft 8 is connected to the outer surface of one end of the reduction motor 6, and a coupling is provided between the rotating shaft 8 and the reduction motor 6. The outer surface of one end of the rotating shaft 8 is fixedly connected to the outer surface of one end of the output shaft in the reduction motor 6 through the coupling; the rotating shaft 8 passes through the fixed block 7, and a sealed bearing is provided between the rotating shaft 8 and the fixed block 7. The rotating shaft 8 is rotatably connected to the fixed block 7 through the sealed bearing. The outer surface of one end of the rotating shaft 8 is fixedly connected to the middle part of the outer surface of one side of the sealing plate 9, the filter cartridge 10 is fixedly installed on the outer surface of the other side of the sealing plate 9, and the baffle ring plate 11 is fixedly installed on the outer surface of the end of the filter cartridge 10 away from the sealing plate 9; the fixed bracket 20 is fixedly installed on the outer surface of the upper end of the support frame 5 close to the fixed block 7, and the upper end outer surface of the fixed bracket 20 is connected to the outer surface of one end of the water supply pipe 21 The flushing heads 22 are fixedly connected to the wall, and there are five groups of flushing heads 22. The five groups of flushing heads 22 are fixed at equal intervals on the outer surface of the lower end of the water supply pipe 21, away from the fixed bracket 20, and the flushing heads 22 are located at the upper part of the filter cartridge 10; the collecting box 12 is fixedly installed on the outer surface of one end of the support frame 5, the guide plate 13 is fixedly installed inside the collecting box 12, and the discharge valve 14 is fixedly installed at the middle and lower part of the outer surface of the front end of the collecting box 12; the connecting arm plate 18 is fixedly installed between the lower part of the outer surface of one side of the support plate 17 and the outer surface of one side of the collecting box 12, the upper end outer surface of the support plate 17 is fixedly connected to the lower end outer surface of the filter residue guide groove 15, the feed pipe 19 penetrates the support plate 17 and extends into the lower part of the inner cavity of the filter cartridge 10, and one end of the filter residue guide groove 15 extends into the upper part of the inner cavity of the filter cartridge 10.
[0029] It should be noted that the utility model is a sitagliptin intermediate system filtering device, one end of the feed pipe 19 is externally connected to the raw liquid feed pump, and one end of the water supply pipe 21 is externally connected to the cleaning liquid supply pump. First, the raw liquid is sent to the interior of the filter cartridge 10 in the filter component 1 through the feed pipe 19 for discharge, the raw liquid is filtered by the filter cartridge 10, the filtrate is collected by the filtrate collecting component 2, and the filter residue is retained on the inner wall of the filter cartridge 10. Then, the filter cartridge 10 is driven to rotate by the operation of the reduction motor 6, and the filter cartridge 10 moves the impurities adhered to the inner wall to the upper part of the inner cavity of the filter cartridge 10. The cleaning liquid sprayed by the flushing head 22 is used to backwash the filter cartridge 10, and the mixture of impurities and cleaning liquid is discharged through the filter residue guide groove 15. Therefore, when filtering the raw materials, continuity can be achieved and the production efficiency can be improved.
[0030] It should be noted that, in this article, relational terms such as first and second (number one, number two), etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.
[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. A sitagliptin intermediate system filtering device, comprising a filtering component (1), characterized in that: The filter assembly (1) comprises a support frame (5), a reduction motor (6), a fixed block (7), a rotating shaft (8), a sealing plate (9), a filter cartridge (10) and a material blocking ring plate (11), and a filtrate collecting assembly (2) is arranged at the lower part of the filter cartridge (10), a backwashing assembly (4) is arranged at the upper part of the filter cartridge (10), a loading and unloading assembly (3) is fixedly installed on one side of the filtrate collecting assembly (2), and the filtrate collecting assembly (2) comprises a collecting box (12), a guide plate ( 13) and a discharge valve (14), and the upper and lower material components (3) include a filter residue guide groove (15), a guide slope (16), a support plate (17), a connecting arm plate (18) and a feed pipe (19), the backwashing component (4) includes a fixed bracket (20), a water supply pipe (21) and a flushing head (22), and the fixed block (7) is fixedly mounted on the middle part of one side of the upper end outer surface of the support frame (5), and the reduction motor (6) is fixedly mounted on the middle part of the upper end outer surface of the support frame (5).
2. A sitagliptin intermediate system functional filtration device according to claim 1, characterized in that: The rotating shaft (8) is connected to the outer surface of one end of the reduction motor (6), a coupling is provided between the rotating shaft (8) and the reduction motor (6), and the outer surface of one end of the rotating shaft (8) is fixedly connected to the outer surface of one end of the output shaft in the reduction motor (6) through the coupling.
3. A sitagliptin intermediate system functional filtration device according to claim 2, characterized in that: The rotating shaft (8) passes through the fixed block (7), a sealed bearing is provided between the rotating shaft (8) and the fixed block (7), the rotating shaft (8) is rotatably connected to the fixed block (7) via the sealed bearing, the outer surface of one end of the rotating shaft (8) is fixedly connected to the middle part of the outer surface of one side of the sealing plate (9), the filter cartridge (10) is fixedly mounted on the outer surface of the other side of the sealing plate (9), and the retaining ring plate (11) is fixedly mounted on the outer surface of one end of the filter cartridge (10) away from the sealing plate (9).
4. A sitagliptin intermediate system functional filtration device according to claim 3, characterized in that: The fixed bracket (20) is fixedly mounted on the outer surface of the upper end of the support frame (5) close to the fixed block (7), and the outer surface of the upper end of the fixed bracket (20) is fixedly connected to the outer wall of one end of the water supply pipe (21). The number of the flushing heads (22) is five groups, and the five groups of flushing heads (22) are fixed at equal intervals on the outer surface of the lower end of the water supply pipe (21) away from the fixed bracket (20), and the flushing heads (22) are located on the upper part of the filter cartridge (10).
5. The sitagliptin intermediate system filtration device according to claim 4, characterized in that: The material collecting box (12) is fixedly mounted on the outer surface of one end of the support frame (5), the guide plate (13) is fixedly mounted inside the material collecting box (12), and the discharge valve (14) is fixedly mounted on the middle and lower part of the outer surface of the front end of the material collecting box (12).
6. The sitagliptin intermediate system filtration device according to claim 5, characterized in that: The connecting arm plate (18) is fixedly installed between the lower part of the outer surface of one side of the support plate (17) and the outer surface of one side of the collecting box (12); the upper end outer surface of the support plate (17) is fixedly connected to the lower end outer surface of the filter residue guide groove (15); the feed pipe (19) passes through the support plate (17) and extends into the lower part of the inner cavity of the filter cartridge (10); one end of the filter residue guide groove (15) extends into the upper part of the inner cavity of the filter cartridge (10).