Medicine boiling granulator
By using the design of circulation pipelines and arc-shaped air expansion plates in the pharmaceutical boiling granulator, the problems of heat energy waste and airflow instability in the prior art are solved, and more efficient pharmaceutical granulation and more uniform particle quality are achieved.
Patent Information
- Application Number
- CN202421665360.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-15
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-07-15
AI Technical Summary
The existing boiling granulators have problems of heat energy waste and airflow instability during the granulation process of pharmaceuticals, which affects the granulation effect.
A pharmaceutical boiling granulator was designed, using circulation pipelines and arc-shaped air expansion plates to reduce heat energy loss by recycling dry airflow, and uniformly release the airflow through arc-shaped air expansion plates to enhance the granulation effect.
The dry airflow is circulated to reduce heat energy loss and improve granulation efficiency; the arc-shaped air expansion plate releases the airflow evenly, enhances the contact between the medicine and the binder, and improves the granulation effect and particle quality.
Smart Images

Figure CN222778028U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pharmaceutical processing, in particular to a medicine boiling granulator. Background Art
[0002] Fluidized bed granulator is mainly used for drug granulation and coating. When in use, drug powder is put into the machine and sprayed with binder. Hot compressed air flow is introduced, and the drug powder is suspended and combined with the binder to form granules. At the same time, the hot compressed air flow dries the powder, and finally a uniform granular product is obtained.
[0003] In the prior art, during the granulation process of the drug, it is necessary to continuously introduce and discharge hot and compressed airflow, which generates a large amount of heat energy waste. At the same time, the hot and compressed airflow is extremely unstable when entering the boiling granulator, and it is impossible to ensure full contact with the drug powder and the binder, thus affecting the granulation effect. Utility Model Content
[0004] In order to improve the problems of the boiling granulator in the above-mentioned background technology in the process of drug production and preparation, the utility model provides a drug boiling granulator.
[0005] The utility model provides a medicine boiling granulator adopts the following technical scheme:
[0006] A pharmaceutical boiling granulator comprises a granulator body fixed between two groups of brackets, the granulator body comprises a cylinder, a granulation bin and an air inlet bin arranged in sequence from top to bottom, an arc-shaped air diffuser plate is arranged in the air inlet bin; the granulator body is connected to a circulation pipeline, an air outlet is arranged on the side of the cylinder and connected to the input end of the circulation pipeline; an air inlet is arranged on the side of the air inlet bin and connected to the output end of the circulation pipeline.
[0007] Preferably, three ventilation valves are arranged on the circulation pipeline, the first valve port and the second valve port of the three ventilation valves are respectively connected to the circulation pipeline, and the third valve port of the three ventilation valves is externally connected to a fresh air fan.
[0008] Preferably, the circulation pipeline is also provided with a filtering and drying mechanism and an air pump.
[0009] Preferably, the arc-shaped surface of the air diffusion plate is arranged upward, and air flow channels are distributed on the air diffusion plate.
[0010] Preferably, the upper and lower ends of the bracket are fixed on the wall, and an adjusting bolt runs through the bracket, the adjusting bolt is connected to a top rod, and one end of the top rod close to the granulator body is connected to a top plate, and the top plate is connected to the outside of the granulator body.
[0011] Preferably, a nozzle is provided on the top of the granulation bin, the nozzle is externally connected to a liquid storage cylinder through a liquid infusion pipeline, and a liquid pump is provided at the output end of the liquid storage cylinder.
[0012] Preferably, a searchlight is provided on the top of the cylinder to provide illumination, and a dust filter bag is detachably installed on the middle section of the cylinder to collect residual powder carried in the gas.
[0013] Preferably, the surfaces of the cylinder and the granulation bin are both provided with observation windows, through which the granulation effect can be observed, so as to facilitate the grasp of the granulation process.
[0014] In summary, the utility model has the following beneficial technical effects: the granulator body is connected to the circulation pipeline, the dry airflow is recycled, and the heat energy loss is reduced; the arc-shaped air expansion plate allows the compressed gas to be evenly released into the air inlet bin, mixed with the binder and the suspended powder to form granules, thereby enhancing the granulation effect and improving the quality of the output granules; the bracket has a good supporting effect on the granulator body, thereby ensuring the stability of the equipment during the granulation process. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a perspective view of the overall structure of a medicine boiling granulator according to an embodiment of the utility model;
[0016] Figure 2 It is a schematic diagram of the installation of the granulator body of the embodiment of the utility model;
[0017] Figure 3 It is a schematic diagram of the structure of the bracket of the embodiment of the utility model;
[0018] Figure 4 It is a structural schematic diagram of a three-ventilation valve according to an embodiment of the utility model;
[0019] Figure 5 It is a structural schematic diagram of the air diffusion plate of an embodiment of the utility model.
[0020] Explanation of the accompanying drawings: 1. bracket; 2. granulator body; 3. cylinder; 4. granulator bin; 5. air inlet bin; 6. air diffuser; 7. circulation pipeline; 8. air outlet; 9. air inlet; 10. three-way ventilation valve; 11. first valve port; 12. second valve port; 13. third valve port; 14. fresh air fan; 15. filter drying mechanism; 16. air pump; 17. air flow channel; 18. wall; 19. adjusting bolt; 20. top plate; 21. nozzle; 22. infusion pipeline; 23. liquid storage cylinder; 24. liquid pump; 25. searchlight; 26. dust filter bag; 27. observation window; 28. discharge pipe; 29. medicine transport vehicle; 30. push rod. DETAILED DESCRIPTION
[0021] The following combination Figure 1-Figure 5 The utility model is described in further detail.
[0022] The utility model embodiment discloses a medicine boiling granulator.
[0023] Reference Figure 1 , Figure 2 A pharmaceutical boiling granulator comprises a granulator body 2 fixed between two groups of brackets 1, the granulator body 2 comprises a cylinder 3, a granulation bin 4 and an air inlet bin 5 which are arranged in sequence from top to bottom, an arc-shaped air expansion plate 6 is arranged in the air inlet bin 5, the bottom of the air inlet bin 5 is connected to a discharge pipe 28 and a movable medicine transport vehicle 29 is arranged; the granulator body 2 is connected to a circulation pipeline 7, an air outlet 8 is arranged on the side of the cylinder 3 and is connected to the input end of the circulation pipeline 7; an air inlet 9 is arranged on the side of the air inlet bin 5 and is connected to the output end of the circulation pipeline 7.
[0024] Reference Figure 1 , Figure 4 A three-ventilation valve 10 is provided on the circulation pipeline 7, a first valve port 11 and a second valve port 12 of the three-ventilation valve 10 are respectively connected to the circulation pipeline 7, a third valve port 13 of the three-ventilation valve 10 is externally connected to a fresh air fan 14, and fresh air is charged by opening the third valve port 13 and starting the fresh air fan 14.
[0025] Reference Figure 1 The circulation pipeline 7 is also provided with a filtering and drying mechanism 15 and an air pump 16 . The filtering and drying mechanism 15 filters and dries the gas in the circulation pipeline 7 , and the air pump 16 increases the air pressure of the gas in the circulation pipeline 7 .
[0026] Reference Figure 5 The arc surface of the air diffusion plate 6 is arranged upward, and air flow channels 17 are distributed on the air diffusion plate 6. The high-temperature gas reaches the air diffusion plate 6 and evenly enters the air inlet bin 5 through the air flow channels 17 distributed on the air diffusion plate 6.
[0027] Reference Figure 1 , Figure 3 The upper and lower ends of the bracket 1 are fixed on the wall 18, and an adjusting bolt 19 runs through the bracket 1. The adjusting bolt 19 is connected to a top rod 30. The end of the top rod 30 close to the granulator body 2 is connected to a top plate 20. The top plate 20 is connected to the outside of the granulator body 2 to support and fix the granulator body 2 to ensure the stability of the granulator body 2 during the granulation process.
[0028] Reference Figure 1 A nozzle 21 is provided on the top of the granulation bin 4, and the nozzle 21 is connected to a liquid storage cylinder 23 through a liquid infusion pipeline 22. The liquid storage cylinder 23 stores a binder, and a liquid pump 24 is provided at the output end of the liquid storage cylinder 23. The binder is sprayed out through the nozzle 21 and mixed with the drug powder.
[0029] Reference Figure 1A searchlight 25 is provided on the top of the cylinder 3, and a dust filter bag 26 is detachably installed in the middle section of the cylinder 3. The dust filter bag 26 cooperates with the filtering and drying mechanism 15 in the circulation pipeline 7 to effectively filter the residual powder mixed in the gas.
[0030] Reference Figure 2 , observation windows 27 are provided on the surfaces of the cylinder 3 and the granulation bin 4, through which the granulation effect can be observed.
[0031] The implementation principle of a drug boiling granulator in the embodiment of the utility model is as follows: in the drug granulation process, first open the three-way ventilation valve 10, start the fresh air fan 14 and the air pump 16, and let the fresh air from the outside into the circulation pipeline 7, and then let the fresh air enter the air inlet bin 5 after filtering, drying and compression, and evenly enter the air inlet bin 5 through the air expansion plate 6; put the drug powder into the granulation bin 4 of the granulator body 2 and suspend and flow in the granulation bin 4, start the liquid pump 24, and the nozzle 21 sprays the binder and mixes it with the drug powder into granules, and at the same time, the hot compressed air flow dries it to obtain a uniform granular product, and the used hot compressed air flow is discharged through the air outlet 8 and enters the circulation pipeline 7, and is reused for mixing and drying the drug powder after secondary filtration.
[0032] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.
Claims
1. A medicine boiling granulator, characterized in that: The invention comprises a pelletizer body (2) fixed between two groups of brackets (1), wherein the pelletizer body (2) comprises a cylinder (3), a pelletizing bin (4) and an air inlet bin (5) which are arranged in sequence from top to bottom, wherein an arc-shaped air diffuser plate (6) is arranged in the air inlet bin (5); the pelletizer body (2) is connected to a circulation pipeline (7), an air outlet (8) is arranged on the side of the cylinder (3) and is connected to the input end of the circulation pipeline (7); and an air inlet (9) is arranged on the side of the air inlet bin (5) and is connected to the output end of the circulation pipeline (7).
2. A drug boiling granulator according to claim 1, characterized in that: The circulation pipeline (7) is provided with a three-ventilation valve (10); a first valve port (11) and a second valve port (12) of the three-ventilation valve (10) are respectively connected to the circulation pipeline (7); and a third valve port (13) of the three-ventilation valve (10) is externally connected to a fresh air fan (14).
3. A drug boiling granulator according to claim 2, characterized in that: The circulation pipeline (7) is also provided with a filtering and drying mechanism (15) and an air pump (16).
4. A drug boiling granulator according to claim 1, characterized in that: The arc-shaped surface of the air diffuser plate (6) is arranged upwards, and air flow channels (17) are distributed on the air diffuser plate (6).
5. A drug boiling granulator according to claim 1, characterized in that: The upper and lower ends of the bracket (1) are fixedly connected to the wall (18), and an adjusting bolt (19) passes through the bracket (1). The adjusting bolt (19) is connected to a top rod (30), and one end of the top rod (30) close to the granulator body (2) is connected to a top plate (20), and the top plate (20) is connected to the outside of the granulator body (2).
6. A drug boiling granulator according to claim 1, characterized in that: A nozzle (21) is provided at the top of the granulation bin (4); the nozzle (21) is externally connected to a liquid storage cylinder (23) via a liquid infusion pipeline (22); and a liquid pump (24) is provided at the output end of the liquid storage cylinder (23).
7. A drug boiling granulator according to claim 1, characterized in that: A searchlight (25) is provided on the top of the cylinder (3), and a dust removal filter bag (26) is detachably mounted on the middle section of the cylinder (3).
8. A drug boiling granulator according to claim 1, characterized in that: Observation windows (27) are provided on the surfaces of the cylinder (3) and the pelletizing bin (4).