Vacuum low-temperature liquid drying apparatus

Abstract

The utility model relates to the field of pharmaceutical technology, and disclose a kind of vacuum low-temperature liquid drying equipment device, comprising: rack, the top of rack is fixedly installed with the material tank for storage;Filtering structure, filtering structure includes filter cartridge and blow-off pipe;Cleaning structure, cleaning structure includes gear ring, rib and drive motor, gear ring is rotatably connected with filter tank, gear ring is fixedly installed with several ribs, rib can be attached filter cartridge inner wall and scrape cleaning to filter cartridge, drive motor is fixedly arranged in the bottom of rack for driving gear ring rotation, pass through drive motor connection power supply and control switch, drive motor drives gear ring circumferential motion around annular guide rail, pass through gear ring drive multiple ribs circumferential motion and scrape cleaning to filter cartridge inner wall, while spiral rib can promote the impurity that falls down and concentrates towards filter tank bottom after cleaning, guarantee the cleaning effect to filter cartridge, cleaning maintenance efficiency is high, without opening filter tank and maintaining, simplify maintenance process.

Description

Technical Field

[0001] This utility model relates to the field of pharmaceutical technology, and in particular to a vacuum cryogenic liquid drying device. Background Technology

[0002] Low-temperature drying of the drug solution is one of the steps in the drug preparation process.

[0003] A search revealed a prior art vacuum cryogenic liquid continuous dryer (publication number: CN221244175U), which includes a base, a vacuum cryogenic liquid continuous dryer body mounted on one side of the top of the base, a first support mounted on the other side of the top of the base, a storage component for temporarily storing liquid raw materials mounted on the top of the first support, and a filter component for filtering liquid raw materials mounted below one side of the storage component.

[0004] In the existing technology, continuous production without stopping is achieved by using two sets of filter components alternately. However, the cleaning and maintenance of the filter components is inconvenient because the filter media is located inside the closed tank. Therefore, it is necessary to solve the problem of quickly and efficiently cleaning the filter media inside the filter tank in the existing technology.

[0005] Therefore, we propose a vacuum cryogenic liquid drying device. Utility Model Content

[0006] The present invention mainly solves the technical problem of inconvenient cleaning and maintenance of the filter tank, and provides a vacuum low temperature liquid drying equipment.

[0007] To achieve the above objectives, this utility model adopts the following technical solution: a vacuum cryogenic liquid drying equipment, comprising: The frame has a material tank for storing materials fixedly installed on its top. The top of the frame also has two filter tanks and a low-temperature dryer body for drying fixedly installed. The filter tanks and the low-temperature dryer body are connected by pipes, and the filter tanks are connected to the material tanks by pipes. A filtration structure is installed inside a filter tank for filtering liquid medicine. The filtration structure includes a filter cartridge and a drain pipe, both of which are fixedly connected to the bottom of the filter tank. A cleaning structure, installed inside the filter tank, is used to remove impurities adhering to the filter cartridge. The cleaning structure includes a toothed ring, ribs, and a drive motor. The toothed ring is rotatably connected to the filter tank, and several ribs are fixedly installed on the toothed ring. The ribs can fit against the inner wall of the filter cartridge and scrape and clean the filter cartridge. The drive motor is fixedly installed at the bottom of the frame to drive the toothed ring to rotate.

[0008] In a preferred embodiment of this utility model, the filter cartridge is fixedly installed at the center of the bottom surface of the filter tank, the drain pipe extends through the center of the bottom of the filter tank to the bottom of the filter tank, and the pipe fixedly connected to the material tank at the top of the filter tank extends through the top of the filter tank to the filter cartridge.

[0009] In a preferred embodiment of this utility model, the toothed ring is annular, an annular guide rail is fixedly installed on the inner bottom surface of the filter tank, and a slider is fixedly installed on the bottom of the toothed ring. The slider is slidably connected to the guide rail so that the toothed ring keeps rotating in a circular motion.

[0010] In a preferred embodiment of this utility model, the rib is an elastic spiral plate, and several ribs are arranged in a ring array on the upper end face of the toothed ring, with the lower end of the ribs fixedly connected to the upper end face of the toothed ring.

[0011] In a preferred embodiment of this utility model, the output shaft of the drive motor is fixedly mounted with a gear, the inner ring of the gear ring is provided with teeth, and the gear is bonded to the inner wall of the gear ring.

[0012] In a preferred embodiment of this utility model, the cleaning structure further includes a spray ring, a water supply pipe, spray holes, and a flange. The spray ring is fixedly connected to the filter tank, the water supply pipe is fixedly connected to the spray ring, and the bottom of the spray ring has several spray holes for spraying water. The flange is fixedly connected to the spray holes and guides the water sprayed from the spray holes.

[0013] In a preferred embodiment of this utility model, the spray ring is annular and is fixedly installed on the inner top surface of the filter tank. The spray ring is hollow inside, and the water supply pipe is connected to the water source and extends through the filter tank and the top surface of the spray ring into the cavity of the spray ring.

[0014] In a preferred embodiment of this utility model, the flange is formed in a funnel shape, the smaller port of the flange is fixedly connected to the bottom of the spray ring, and the circumferential surface of the flange extends inclined towards the inner wall of the filter cartridge.

[0015] This invention provides a vacuum cryogenic liquid drying device. It has the following beneficial effects: 1. This vacuum cryogenic liquid drying equipment device connects to a power supply and a control switch via a drive motor. The drive motor drives a gear ring to move circumferentially around an annular guide rail. The gear ring drives multiple ribs to move circumferentially, scraping and cleaning the inner wall of the filter cartridge. At the same time, the spiral ribs promote the falling and concentration of the cleaned impurities towards the bottom of the filter tank, ensuring the cleaning effect on the filter cartridge. It is highly efficient in cleaning and maintenance, eliminating the need to open the filter tank for maintenance, simplifying the maintenance process and helping to improve production efficiency. Furthermore, when the filter tank delivers the liquid medicine to the cryogenic dryer body, the large particles of medicine that are not completely dissolved in the liquid medicine can also be accelerated to dissolve under the stirring action of the ribs. It can be used for stirring and cleaning, making it more functional.

[0016] 2. This vacuum low-temperature liquid drying equipment connects a water supply pipe to a water source, such as sterilized purified water, and delivers water from the spray ring cavity through the water supply pipe. The water is sprayed out from various spray holes and then guided by the circumferential surface of the flange to spray onto the inner wall of the filter cartridge, thereby achieving the rinsing of the inner wall of the filter cartridge. Combined with the scraping cleaning of the ribs, it greatly improves the cleaning effect and efficiency of the filter cartridge. Attached Figure Description

[0017] Figure 1 This is one of the overall perspective views of this utility model; Figure 2 This is the second overall perspective view of the present utility model; Figure 3 This is a schematic diagram of the internal structure of the filter tank of this utility model; Figure 4 This is a partial sectional view of the filter tank and filter cartridge of this utility model; Figure 5 This is a three-dimensional view of the cleaning structure of this utility model.

[0018] Legend: 10. Frame; 11. Material tank; 12. Filter tank; 13. Low temperature dryer body; 14. Filter cartridge; 15. Drain pipe; 20. Toothed ring; 21. Rib; 22. Drive motor; 30. Spray ring; 31. Water supply pipe; 32. Spray hole; 33. Flange. Detailed Implementation

[0019] A vacuum cryogenic liquid drying device, such as Figure 1 and Figure 2 As shown, it includes: The frame 10 has a material tank 11 for storing materials fixedly installed on its top. The top of the frame 10 also has two filter tanks 12 and a low-temperature dryer body 13 for drying fixedly installed. The filter tanks 12 and the low-temperature dryer body 13 are connected by pipes, and the filter tanks 12 and the material tanks 11 are connected by pipes. The filter structure, installed inside the filter tank 12, is used to filter the liquid medicine. The filter structure includes a filter cartridge 14 and a drain pipe 15. Both the filter cartridge 14 and the drain pipe 15 are fixedly connected to the bottom of the filter tank 12. The two filter tanks 12 alternately supply the liquid medicine to the low-temperature dryer body 13. The two filter tanks 12 can filter the liquid medicine independently, enabling maintenance without stopping the machine and ensuring continuous production. The filter cartridge 14 is used to filter out larger particles, and the drain pipe 15 is used to discharge the particles out of the filter tank 12.

[0020] like Figure 2 , Figure 3 and Figure 4As shown, a cleaning structure is installed inside the filter tank 12 to remove impurities adhering to the filter cartridge 14. The cleaning structure includes a toothed ring 20, ribs 21, and a drive motor 22. The toothed ring 20 is rotatably connected to the filter tank 12. Several ribs 21 are fixedly installed on the toothed ring 20. The ribs 21 can conform to the inner wall of the filter cartridge 14 and scrape and clean the filter cartridge 14. The drive motor 22 is fixedly installed at the bottom of the frame 10 to drive the toothed ring 20 to rotate. The filter cartridge 14 is fixedly installed at the center of the bottom surface inside the filter tank 12. The drain pipe 15 extends through the center of the bottom of the filter tank 12 to the bottom of the filter tank 12. The pipe fixedly connected to the material tank 11 at the upper end passes through the top of the filter tank 12 and extends into the filter cylinder 14. The toothed ring 20 is annular. An annular guide rail is fixedly installed on the inner bottom surface of the filter tank 12. A slider is fixedly installed at the bottom of the toothed ring 20. The slider and the guide rail are slidably connected so that the toothed ring 20 keeps rotating in a circle. The ribs 21 are elastic spiral plates. Several ribs 21 are distributed in an annular array on the upper end surface of the toothed ring 20. The lower end of the ribs 21 is fixedly connected to the upper end surface of the toothed ring 20. A gear is fixedly installed on the output shaft of the drive motor 22. The inner ring of the toothed ring 20 is provided with teeth. The gear is bonded to the inner wall of the toothed ring 20. In this solution, cleaning the filter cartridge 14 from the relatively sealed filter tank 12 is quite difficult. By connecting the power supply and control switch to the drive motor 22, the drive motor 22 drives the toothed ring 20 to move circumferentially around the annular guide rail. The toothed ring 20 drives multiple ribs 21 to move circumferentially to scrape and clean the inner wall of the filter cartridge 14. At the same time, the spiral ribs 21 can promote the falling and concentration of the cleaned impurities towards the bottom of the filter tank 12, ensuring the cleaning effect of the filter cartridge 14. The cleaning and maintenance are highly efficient, and there is no need to open the filter tank 12 for maintenance, which simplifies the maintenance process and helps to improve production efficiency. Secondly, when the filter tank 12 delivers the liquid medicine to the low-temperature dryer body 13, the large particles of medicine that are not completely dissolved in the liquid medicine can also be dissolved faster under the stirring action of the ribs 21. It can be used for stirring and cleaning, making it more functional.

[0021] like Figure 4 and Figure 5 As shown, the cleaning structure also includes a spray ring 30, a water supply pipe 31, spray holes 32, and a flange 33. The spray ring 30 is fixedly connected to the filter tank 12, and the water supply pipe 31 is fixedly connected to the spray ring 30. The bottom of the spray ring 30 is provided with several spray holes 32 for spraying water. The flange 33 is fixedly connected to the spray holes 32 and guides the water sprayed from the spray holes 32. The spray ring 30 is annular and is fixedly installed on the inner top surface of the filter tank 12. The spray ring 30 is hollow inside. The water supply pipe 31 is connected to the water source and extends through the filter tank 12 and the top surface of the spray ring 30 to the cavity of the spray ring 30. The flange 33 is funnel-shaped. The smaller end of the flange 33 is fixedly connected to the bottom of the spray ring 30. The circumferential surface of the flange 33 extends inclined towards the inner wall of the filter cartridge 14. In this scheme, in order to flush the inner wall of the filter cartridge 14, the water supply pipe 31 is connected to a water source, such as sterilized purified water. Water is sprayed from the spray ring 30 cavity through the water supply pipe 31, and then guided by the circumferential surface of the flange 33 to the inner wall of the filter cartridge 14, thereby flushing the inner wall of the filter cartridge 14. Combined with the scraping cleaning of the ribs 21, the cleaning effect and efficiency of the filter cartridge 14 are greatly improved. Impurities and sewage are discharged from the drain pipe 15. The ports of the drain pipe 15 and the water supply pipe 31 should be equipped with control valves, which will not be described in detail here.

[0022] The working principle of this utility model is as follows: A conveying pump is provided in the material tank 11. The feed pipe of the filter tank 12 is connected to the discharge port of the conveying pump. After the medicine liquid is filtered by the filter cylinder 14, it is sent into the dryer body 13 through the pipeline to remove moisture and obtain dry powder. The dryer body 13 includes at least a drying cylinder. A conveyor is fixedly installed inside the drying cylinder. A feed port is opened on one side of the drying cylinder. An air extraction hole is opened on the outer circular wall of the drying cylinder. A vacuum pump is fixedly installed inside the air extraction hole. A crushing component is set inside one side of the drying cylinder for crushing medicine blocks. By setting a vacuum pump, the drying cylinder is made into a vacuum negative pressure state during use, which lowers the boiling point and causes the water in the medicine liquid to evaporate, thereby achieving the drying effect. The specific model and specifications are not limited here. Existing models can be used. By connecting the water supply pipe 31 to a water source, such as sterilized purified water, water is pumped from the spray ring 30 cavity through the water supply pipe 31. The water is sprayed out from each spray hole 32 and then guided by the circumferential surface of the flange 33 to the inner wall of the filter cartridge 14, thereby rinsing the inner wall of the filter cartridge 14. The drive motor 22 is connected to the power supply and control switch. The drive motor 22 drives the toothed ring 20 to move circumferentially around the annular guide rail. The toothed ring 20 drives multiple ribs 21 to move circumferentially to scrape and clean the inner wall of the filter cartridge 14. At the same time, the spiral ribs 21 can promote the impurities that have been cleaned to fall and concentrate towards the bottom of the filter tank 12, ensuring the cleaning effect of the filter cartridge 14. Impurities and sewage are discharged from the drain pipe 15. Control valves should be installed at the ports of the drain pipe 15 and the water supply pipe 31.

[0023] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A vacuum low-temperature liquid drying apparatus device, characterized by, include: The frame (10) has a material tank (11) for storing materials fixedly installed on its top. The top of the frame (10) also has two filter tanks (12) and a low-temperature dryer body (13) for drying fixedly installed. The filter tanks (12) and the low-temperature dryer body (13) are connected by pipes. The filter tanks (12) and the material tanks (11) are connected by pipes. A filtration structure is installed inside the filter tank (12) for filtering the medicine liquid. The filtration structure includes a filter cylinder (14) and a drain pipe (15). Both the filter cylinder (14) and the drain pipe (15) are fixedly connected to the bottom of the filter tank (12). A cleaning structure is installed inside the filter tank (12) to remove impurities attached to the filter cartridge (14). The cleaning structure includes a toothed ring (20), ribs (21) and a drive motor (22). The toothed ring (20) is rotatably connected to the filter tank (12). Several ribs (21) are fixedly installed on the toothed ring (20). The ribs (21) can fit against the inner wall of the filter cartridge (14) and scrape and clean the filter cartridge (14). The drive motor (22) is fixedly installed at the bottom of the frame (10) to drive the toothed ring (20) to rotate.

2. The vacuum low-temperature liquid drying apparatus of claim 1, wherein: The filter cartridge (14) is fixedly installed at the center of the bottom surface of the filter tank (12). The drain pipe (15) extends through the center of the bottom of the filter tank (12) to the bottom of the filter tank (12). The pipe that is fixedly connected to the material tank (11) at the top of the filter tank (12) extends through the top of the filter tank (12) to the filter cartridge (14).

3. The vacuum cryogenic liquid drying equipment according to claim 1, characterized in that: The toothed ring (20) is annular, and an annular guide rail is fixedly installed on the inner bottom surface of the filter tank (12). A slider is fixedly installed on the bottom of the toothed ring (20), and the slider is slidably connected to the guide rail so that the toothed ring (20) keeps rotating in a circular motion.

4. The vacuum cryogenic liquid drying equipment according to claim 1, characterized in that: The rib (21) is an elastic spiral plate, and several ribs (21) are distributed in a ring array on the upper end face of the toothed ring (20). The lower end of the rib (21) is fixedly connected to the upper end face of the toothed ring (20).

5. The vacuum cryogenic liquid drying equipment according to claim 1, characterized in that: The output shaft of the drive motor (22) is fixedly mounted with a gear, and the inner ring of the gear ring (20) is provided with teeth. The gear is bonded to the inner wall of the gear ring (20).

6. The vacuum cryogenic liquid drying equipment according to claim 1, characterized in that: The cleaning structure also includes a spray ring (30), a water supply pipe (31), spray holes (32) and a flange (33). The spray ring (30) is fixedly connected to the filter tank (12), the water supply pipe (31) is fixedly connected to the spray ring (30), and a number of spray holes (32) for spraying water are provided at the bottom of the spray ring (30). The flange (33) is fixedly connected to the spray holes (32) and guides the water sprayed from the spray holes (32).

7. The vacuum cryogenic liquid drying equipment according to claim 6, characterized in that: The spray ring (30) is annular and is fixedly installed on the inner top surface of the filter tank (12). The spray ring (30) is hollow inside. The water supply pipe (31) is connected to the water source and extends through the filter tank (12) and the top surface of the spray ring (30) into the cavity of the spray ring (30).

8. The vacuum cryogenic liquid drying equipment according to claim 6, characterized in that: The flange (33) is funnel-shaped, and the smaller port of the flange (33) is fixedly connected to the bottom of the spray ring (30). The circumferential surface of the flange (33) extends obliquely toward the inner wall of the filter cartridge (14).

Images