An outer steam blowdown purifying device for a traditional Chinese medicine decocting packaging machine

Abstract

The utility model belongs to traditional chinese medicine decocting packing machine technical field, concretely is a kind of traditional chinese medicine decocting packing machine with outer steam pollution discharge purification device, including traditional chinese medicine decocting packing machine and filter box, the filter box is arranged at the right side of traditional chinese medicine decocting packing machine, the top of traditional chinese medicine decocting packing machine is equipped with decocting barrel, the top of decocting barrel is fixedly connected with steam delivery pipe, the utility model discloses a cooling spiral coil pipe and the active refrigeration system of semiconductor refrigerating sheet, steam temperature is rapidly reduced to condensation point, conical settling cylinder in filter assembly accelerates large particle dregs settlement by spiral flow channel, filter plate in filter cylinder carries out secondary interception to tiny impurities, and the filtration efficiency of steam sewage is improved by multistage filtration design, backflushing mechanism is through backflushing pump and backflushing nozzle, utilize clean water tank to inject high-pressure water flow to filter plate inside, to remove the dregs adhered to filter plate, avoid artificial frequent cleaning, improve filtration efficiency.

Description

Technical Field

[0001] This utility model relates to the technical field of Chinese medicine decoction packaging machines, specifically an external steam exhaust and purification device for Chinese medicine decoction packaging machines. Background Technology

[0002] The Chinese herbal decoction and packaging machine is an intelligent device that integrates decoction and packaging. Through CNC technology, it automatically switches between low and high heat and precisely controls the temperature to ensure the full release of the effective components of the herbs. Its glass cylinder design facilitates observation of the decoction process, and the accompanying liquid packaging technology seals the liquid into small bags, allowing for long-term storage at room temperature without spoilage. It is widely used in hospitals, pharmacies, and TCM clinics, significantly improving decoction efficiency and hygiene standards, reducing manual labor, and meeting patients' needs for convenient carrying and precise dosage of the medicine. Research has found that during the decoction process, the high-temperature steam generated in the decoction pot carries a large amount of herbal residue particles. Direct discharge of these particles can lead to blockage of the drainage pipes, thermal pollution (e.g., a large amount of steam containing herbal residue particles flies out from the connection between the drainage pipe and the drain outlet inside the decoction chamber, filling the chamber with white smoke and causing adverse effects on the operator), and safety hazards.

[0003] Existing Chinese herbal decoction packaging machines rely heavily on natural cooling or external circulating water for steam exhaust purification. This results in slow condensation and high energy consumption. Furthermore, the filtration devices for steam condensate wastewater often use single-layer filter screens, which are easily clogged by fine impurities, requiring frequent manual cleaning and affecting filtration efficiency. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides an external steam exhaust and purification device for a traditional Chinese medicine decoction packaging machine. Through an active cooling system using a cooling spiral coil and a semiconductor refrigeration chip, the steam temperature is rapidly reduced to the condensation point. Furthermore, the conical settling cylinder in the filter assembly accelerates the settling of large particles of medicinal residue through a spiral flow channel. The filter plate inside the filter cylinder performs secondary interception of small impurities, and the backwashing mechanism removes the medicinal residue adhering to the filter plate by spraying high-pressure water onto the inner side of the filter plate, thus solving the problems mentioned earlier.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an external steam exhaust and purification device for a traditional Chinese medicine decoction packaging machine, comprising a traditional Chinese medicine decoction packaging machine and a filter box. The filter box is located on the right side of the traditional Chinese medicine decoction packaging machine. A decoction tank is installed on the top of the traditional Chinese medicine decoction packaging machine, and a steam delivery pipe is fixedly connected to the top of the decoction tank. A cooling component is installed on the top of the filter box, and a filter assembly is installed inside the filter box. The filter assembly includes a conical settling cylinder and a filter cylinder, both of which are fixedly installed... The conical settling cylinder has a spiral flow channel on its inner top side, and an outlet is located in the middle of the right side of the conical settling cylinder. The top input end of the filter cylinder is fixedly connected to a solenoid valve one, and the output end of the outlet is fixedly connected to the input end of the solenoid valve one through a pipe. A filter plate is fixedly installed in the middle of the inner side of the filter cylinder, and a solenoid valve two is fixedly connected to the bottom output end of the filter cylinder. The output end of the solenoid valve two is fixedly connected to a water outlet pipe. The filter box also has a slag discharge mechanism and a backwashing mechanism installed inside.

[0006] Preferably, the slag discharge mechanism includes a slag discharge pump, which is fixedly installed inside the bottom side of the filter box. A slag discharge port is provided in the middle of the rear side of the filter cylinder. The bottom side of the inner wall of the slag discharge port is flush with the top side of the filter plate. The output end of the slag discharge port is fixedly connected to a slag discharge valve, and the output end of the slag discharge valve is fixedly connected to a slag discharge pipe. The output end of the slag discharge pipe is fixedly connected to the input end of the slag discharge pump. The bottom output end of the conical settling cylinder is fixedly connected to a slag discharge valve, and the output end of the slag discharge valve is fixedly connected to a slag discharge pipe. The output end of the slag discharge pipe is fixedly connected to the slag discharge pipe. A collection mechanism is installed at the output end of the slag discharge pipe.

[0007] Preferably, the collection mechanism includes a collection bucket, a collection trough is provided on the rear side of the filter box, the collection bucket is disposed inside the collection trough, a second slag discharge pipe is installed on the top side of the inside of the collection trough, the output end of the first slag discharge pipe is fixedly connected to the top input end of the second slag discharge pipe, a threaded sleeve is fitted on the bottom outer surface of the second slag discharge pipe, and a sliding groove is provided on the bottom outer surface of the second slag discharge pipe, a limiting strip is fixedly connected to the top side of the inner wall of the threaded sleeve, the limiting strip is movably connected to the sliding groove, and the top input end of the collection bucket is threadedly inserted into the threaded sleeve.

[0008] Preferably, the backwashing mechanism includes a clean water tank, which is located inside the bottom of the filter box. A backwashing pump is also fixedly installed inside the bottom of the filter box. The input end of the backwashing pump is fixedly connected to the inside of the clean water tank through a pipe. The output end of the backwashing pump is fixedly connected to a backwashing pipe. A flushing port is opened on the front side of the filter cylinder. A backwashing nozzle is installed inside the flushing port and is located below the filter plate. A solenoid valve is fixedly connected to the input end of the flushing port. The output end of the backwashing pipe is fixedly connected to the input end of the solenoid valve.

[0009] Preferably, the cooling assembly includes a steam treatment box, which is fixedly installed on the top side of the filter box. A second heat-conducting plate and a first heat-conducting plate are fixedly connected to the left and right sides of the interior of the steam treatment box, respectively. A plurality of semiconductor cooling chips are installed between the first and second heat-conducting plates. A cooling spiral coil is installed on the left side of the second heat-conducting plate. The output end of the steam delivery pipe is fixedly connected to the input end of the cooling spiral coil. The output end of the cooling spiral coil is fixedly connected to the top input end of the conical settling cylinder. A cooling fan is fixedly installed on the right side of the interior of the steam treatment box, and a plurality of heat-conducting fins are fixedly connected to the right side of the first heat-conducting plate.

[0010] Preferably, the outer surface of the steam treatment box is provided with a number of ventilation holes.

[0011] Preferably, a temperature sensor is connected to the output end of the cooling spiral coil.

[0012] Preferably, a water inlet pipe is fixedly connected to the top of the clean water tank.

[0013] Preferably, a controller is installed on the top right side of the filter box.

[0014] Preferably, the bottom right side of the filter box has several heat dissipation holes.

[0015] This utility model provides an external steam exhaust and purification device for a traditional Chinese medicine decoction packaging machine. Compared with the prior art, it has the following advantages:

[0016] 1. The external steam exhaust and purification device for a traditional Chinese medicine decoction packaging machine uses an active cooling system consisting of a cooling spiral coil and a semiconductor refrigeration chip to rapidly reduce the steam temperature to the condensation point, causing suspended particles in the condensate to quickly settle to the bottom of the conical settling cylinder.

[0017] 2. The external steam exhaust and purification device for a traditional Chinese medicine decoction packaging machine has a conical settling cylinder in the filter assembly that accelerates the settling of large particles of medicinal residue through a spiral flow channel, and a filter plate in the filter cylinder that performs secondary interception of small impurities. The multi-stage filtration design improves the filtration efficiency of steam wastewater.

[0018] 2. The external steam exhaust and purification device for the Chinese herbal medicine decoction packaging machine has a backwashing mechanism that uses a backwashing pump and backwashing nozzles to spray high-pressure water into the inside of the filter plate through a clean water tank, thereby removing the medicinal residue adhering to the filter plate, avoiding frequent manual cleaning and improving filtration efficiency. Attached Figure Description

[0019] Figure 1 This is a front view structural diagram of the main body of this utility model;

[0020] Figure 2 This is a rear view structural diagram of the filter box of this utility model;

[0021] Figure 3 This is a front view structural diagram of the filter assembly of this utility model;

[0022] Figure 4 This is a rear view structural diagram of the filter assembly of this utility model;

[0023] Figure 5 This is a schematic diagram of the cross-sectional structure of the filter cartridge of this utility model;

[0024] Figure 6 This is a schematic diagram of the cross-sectional structure of the collection bucket of this utility model;

[0025] Figure 7 This is a schematic diagram of the disassembled structure of the steam treatment box of this utility model;

[0026] Figure 8 This is a schematic diagram of the disassembled structure of the steam treatment box of this utility model from another perspective.

[0027] Figure 9 This utility model Figure 6 Enlarged schematic diagram of the structure at point A in the middle.

[0028] In the diagram: 1. Traditional Chinese medicine decoction packaging machine; 2. Decoction barrel; 3. Steam conveying pipe; 4. Filter box; 5. Steam treatment box; 6. Controller; 7. Collection tank; 8. Collection bucket; 9. Conical settling cylinder; 10. Slag discharge valve one; 11. Water outlet; 12. Filter cylinder; 13. Solenoid valve one; 14. Solenoid valve two; 15. Water outlet pipe; 16. Clean water tank; 17. Water inlet pipe; 18. Backwash pump; 19. Backwash pipe; 20. Solenoid valve three; 21. Spiral flow channel; 22. Discharge... 23. Slag valve 2; 24. Slag discharge pump; 25. Slag discharge pipe 1; 26. Slag discharge pipe 1; 27. Slag discharge pipe 2; 28. Filter plate; 29. ​​Slag discharge port 1; 30. Flushing port; 31. Backflushing nozzle; 32. Slag discharge pipe 2; 33. Cooling fan; 34. Semiconductor refrigeration chip; 35. Cooling spiral coil; 36. Heat conduction plate 1; 37. Heat conduction plate 2; 38. Heat conduction fins; 39. Ventilation hole; 40. Slide groove; 41. Threaded sleeve; 42. Limiting strip; 43. Temperature sensor. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Example 1

[0031] like Figure 1-4 This utility model embodiment 1 provides an external steam exhaust and purification device for a traditional Chinese medicine decoction packaging machine, including a traditional Chinese medicine decoction packaging machine 1 and a filter box 4. The filter box 4 is located on the right side of the traditional Chinese medicine decoction packaging machine 1. A decoction barrel 2 is installed on the top of the traditional Chinese medicine decoction packaging machine 1. A steam conveying pipe 3 is fixedly connected to the top of the decoction barrel 2. A cooling component is installed on the top of the filter box 4. A filter component is installed inside the filter box 4.

[0032] When the external steam exhaust and purification device of the Chinese herbal medicine decoction packaging machine is working, the steam generated by the decoction tank 2 at the top of the machine 1 during the heating process is transported to the top of the filter box 4 through the steam delivery pipe 3 at the top. The steam first enters the cooling component inside the filter box 4 for cooling treatment, and after condensation, it forms condensate. The condensate then enters the filter component inside the filter box 4. After multi-stage filtration treatment, impurities are separated. Finally, the purified liquid is discharged through the water outlet pipe 15 at the bottom of the filter component, completing the steam exhaust and purification process.

[0033] See also Figures 5-9 The filter assembly includes a conical settling cylinder 9 and a filter cylinder 12. Both the conical settling cylinder 9 and the filter cylinder 12 are fixedly installed on the top side inside the filter box 4. A spiral flow channel 21 is provided on the top side inside the conical settling cylinder 9. An outlet 11 is opened in the middle of the right side of the conical settling cylinder 9. The top input end of the filter cylinder 12 is fixedly connected to a solenoid valve 13. The output end of the outlet 11 is fixedly connected to the input end of the solenoid valve 13 through a pipe. A filter plate 27 is fixedly installed in the middle of the inner side of the filter cylinder 12. The bottom output end of the filter cylinder 12 is fixedly connected to a solenoid valve 24. The output end of the solenoid valve 24 is fixedly connected to a water outlet pipe 15. A slag discharge mechanism and a backwashing mechanism are also installed inside the filter box 4.

[0034] The slag discharge mechanism includes a slag discharge pump 23, which is fixedly installed inside the bottom side of the filter box 4. A slag discharge port 28 is opened in the middle of the rear side of the filter cylinder 12. The bottom side of the inner wall of the slag discharge port 28 is flush with the top side of the filter plate 27. The output end of the slag discharge port 28 is fixedly connected to a slag discharge valve 22. The output end of the slag discharge valve 22 is fixedly connected to a slag discharge pipe 24. The output end of the slag discharge pipe 24 is fixedly connected to the input end of the slag discharge pump 23. The bottom output end of the conical settling cylinder 9 is fixedly connected to a slag discharge valve 10. The output end of the slag discharge valve 10 is fixedly connected to a slag discharge pipe 26. The output end of the slag discharge pipe 26 is fixedly connected to the slag discharge pipe 24. The output end of the slag discharge pump 23 is fixedly connected to a slag discharge pipe 25. A collection mechanism is installed at the output end of the slag discharge pipe 25.

[0035] The collection mechanism includes a collection bucket 8, a collection trough 7 is provided on the rear side of the filter box 4, the collection bucket 8 is located inside the collection trough 7, a second slag discharge pipe 31 is installed on the top side of the inside of the collection trough 7, the output end of the first slag discharge pipe 25 is fixedly connected to the top input end of the second slag discharge pipe 31, a threaded sleeve 40 is fitted on the bottom outer surface of the second slag discharge pipe 31, and a sliding groove 39 is provided on the bottom outer surface of the second slag discharge pipe 31. A limiting strip 41 is fixedly connected to the top side of the inner wall of the threaded sleeve 40, and the limiting strip 41 is movably connected to the sliding groove 39. The top input end of the collection bucket 8 is threadedly inserted into the threaded sleeve 40.

[0036] Example 2

[0037] like Figure 1-9 Embodiment 2 of this utility model provides an external steam exhaust and purification device for a traditional Chinese medicine decoction packaging machine. It has the same structure as Embodiment 1 and also has related structural designs such as a traditional Chinese medicine decoction packaging machine 1, a decoction barrel 2, a steam conveying pipe 3, and a filter box 4. The difference is that it also involves a backwashing mechanism.

[0038] The backwashing mechanism includes a clean water tank 16, which is located inside the bottom of the filter box 4. A backwashing pump 18 is also fixedly installed inside the bottom of the filter box 4. The input end of the backwashing pump 18 is fixedly connected to the inside of the clean water tank 16 through a pipe. The output end of the backwashing pump 18 is fixedly connected to a backwashing pipe 19. A flushing port 29 is opened on the front side of the filter cylinder 12. A backwashing nozzle 30 is installed inside the flushing port 29 and is located below the filter plate 27. The input end of the flushing port 29 is fixedly connected to a solenoid valve 20, and the output end of the backwashing pipe 19 is fixedly connected to the input end of the solenoid valve 20.

[0039] When the above-mentioned filtration components are working, the steam generated by the decoction pot 2 enters the cooling component at the top of the filter box 4 through the steam delivery pipe 3 for cooling and condensation. The condensate first enters the conical settling cylinder 9, where the spiral flow channel 21 on the top side accelerates the settling of large particles of impurities to the bottom through centrifugal force. The purified liquid flows out from the outlet 11 in the middle of the right side, is transported through the pipeline to the solenoid valve 13, and then enters the top input end of the filter cylinder 12. The filter plate 27 in the middle of the inner side of the filter cylinder 12 intercepts small impurities, and the purified liquid is discharged from the bottom through the solenoid valve 14. The wastewater is discharged from the outlet and output through the outlet pipe 15. When the impurities accumulated in the conical settling cylinder 9 or the filter cylinder 12 need to be cleaned, the slag discharge valve 10 and the slag discharge valve 22 are opened. The impurities at the bottom of the settling cylinder are combined with the slag discharge pipe 14 through the slag discharge pipe 26 and enter the slag discharge pump 23 for pressurized transportation. The slag discharge pump 23 transports the impurities through the slag discharge pipe 15 to the slag discharge pipe 21. The sliding groove 39 on the outer surface of the bottom of the slag discharge pipe 21 cooperates with the limiting strip 41 on the inner wall of the threaded sleeve 40 to realize the threaded insertion of the top input end of the collection bucket 8. The impurities finally enter the collection bucket 8 to complete the collection.

[0040] When the filter plate 27 needs to be cleaned, the clean water in the clean water tank 16 is pressurized by the backwash pump 18, and then transported to the solenoid valve 20 through the backwash pipe 19. The water then enters the backwash nozzle 30 through the flushing port 29. The backwash nozzle 30 sprays high-pressure water to the area below the filter plate 27 to backwash the impurities attached to the surface of the filter plate 27. The wastewater after flushing is discharged through the slag discharge port 28 at the bottom of the filter cylinder 12, thus completing the self-cleaning process.

[0041] The aforementioned cooling assembly includes a steam treatment chamber 5, which is fixedly installed on the top side of the filter chamber 4. A second heat-conducting plate 36 and a first heat-conducting plate 35 are fixedly connected to the left and right sides of the interior of the steam treatment chamber 5, respectively. Several semiconductor cooling chips 33 are installed between the first heat-conducting plate 35 and the second heat-conducting plate 36. A cooling spiral coil 34 is installed on the left side of the second heat-conducting plate 36. The output end of the steam delivery pipe 3 is fixedly connected to the input end of the cooling spiral coil 34, and the output end of the cooling spiral coil 34 is fixedly connected to the top input end of the conical settling cylinder 9. A cooling fan 32 is fixedly installed on the right side of the interior of the steam treatment chamber 5, and several heat-conducting fins 37 are fixedly connected to the right side of the first heat-conducting plate 35.

[0042] When the cooling assembly is operating, steam enters the cooling spiral coil 34 at the top of the steam treatment tank 5 through the steam delivery pipe 3. The interior of the cooling spiral coil 34 is fixedly connected to the left side of the second heat-conducting plate 36. Active cooling is achieved between the second heat-conducting plate 36 and the first heat-conducting plate 35 via several semiconductor cooling chips 33. When the semiconductor cooling chips 33 are energized, the temperature of the second heat-conducting plate 36 decreases, rapidly cooling the steam inside the cooling spiral coil 34, causing it to condense into liquid and flow along the output end of the cooling spiral coil 34 into the top input end of the conical settling cylinder 9. Simultaneously, the first heat-conducting plate 35 absorbs the heat generated during the cooling process and transfers it to the cooling fan 32 on the right side of the steam treatment tank 5 via the heat-conducting fins 37 fixed on its right side. The cooling fan 32 forces airflow through the heat-conducting fins 37, expelling heat from the steam treatment tank 5 and maintaining the continuous and efficient operation of the semiconductor cooling chips 33.

[0043] Several ventilation holes 38 are provided on the outer surface of the steam treatment box 5 to promote air circulation inside and outside the box.

[0044] A temperature sensor 42 is connected to the output end of the cooling spiral coil 34 to monitor the temperature change of the condensate in real time. When the condensate temperature deviates from the preset range, the temperature sensor 42 transmits a signal to the controller 6, triggering the power adjustment of the semiconductor refrigeration chip 33 or the start / stop of the cooling fan 32, thereby dynamically optimizing the condensation effect and ensuring that the steam condensation process is within the optimal temperature range.

[0045] A water supply pipe 17 is fixedly connected to the top of the clean water tank 16 for replenishing the clean water tank 16 with cleaning water.

[0046] The top right side of the filter box 4 is equipped with a controller 6, which integrates the start and stop of components such as solenoid valve 13, solenoid valve 14, solenoid valve 20, slag discharge pump 23, and backwash pump 18. The controller 6 automatically adjusts the steam condensation, filtration, slag discharge, and backwashing processes by receiving signals from temperature sensor 42, differential pressure sensor, etc., to achieve intelligent management of equipment operation and reduce manual intervention.

[0047] Several heat dissipation holes are provided through the bottom right side of the filter box 4 to dissipate the heat generated during equipment operation.

[0048] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0049] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An external steam exhaust and purification device for a traditional Chinese medicine decoction packaging machine, comprising a traditional Chinese medicine decoction packaging machine (1) and a filter box (4), characterized in that: The filter box (4) is located on the right side of the Chinese medicine decoction packaging machine (1). The top of the Chinese medicine decoction packaging machine (1) is equipped with a decoction barrel (2). The top of the decoction barrel (2) is fixedly connected to a steam conveying pipe (3). The top of the filter box (4) is equipped with a cooling component. The filter box (4) is equipped with a filter component inside. The filter assembly includes a conical settling cylinder (9) and a filter cylinder (12). Both the conical settling cylinder (9) and the filter cylinder (12) are fixedly installed on the top side inside the filter box (4). A spiral flow channel (21) is provided on the top side inside the conical settling cylinder (9). The conical settling cylinder (9) has an outlet (11) in the middle of its right side. The top input end of the filter cylinder (12) is fixedly connected to a solenoid valve (13). The output end of the outlet (11) is fixedly connected to the input end of the solenoid valve (13) through a pipe. A filter plate (27) is fixedly installed in the middle of the inner side of the filter cylinder (12). The bottom output end of the filter cylinder (12) is fixedly connected to a solenoid valve (14). The output end of the solenoid valve (14) is fixedly connected to a water outlet pipe (15). The filter box (4) is also equipped with a slag discharge mechanism and a backwashing mechanism.

2. The external steam exhaust and purification device for a traditional Chinese medicine decoction packaging machine according to claim 1, characterized in that: The slag discharge mechanism includes a slag discharge pump (23), which is fixedly installed on the bottom side of the inside of the filter box (4); The filter cylinder (12) has a slag discharge port 1 (28) in the middle of its rear side. The bottom side of the inner wall of the slag discharge port 1 (28) is flush with the top side of the filter plate (27). The output end of the slag discharge port 1 (28) is fixedly connected to the slag discharge valve 2 (22), and the output end of the slag discharge valve 2 (22) is fixedly connected to the slag discharge pipe 1 (24). The output end of the first slag discharge pipe (24) is fixedly connected to the input end of the slag discharge pump (23). The bottom output end of the conical settling cylinder (9) is fixedly connected to the first slag discharge valve (10). The output end of the first slag discharge valve (10) is fixedly connected to the second slag discharge pipe (26). The output end of the second slag discharge pipe (26) is fixedly connected to the first slag discharge pipe (24). The output end of the slag discharge pump (23) is fixedly connected to the first slag discharge pipe (25). The output end of the first slag discharge pipe (25) is equipped with a collection mechanism.

3. The external steam exhaust and purification device for a traditional Chinese medicine decoction packaging machine according to claim 2, characterized in that: The collection mechanism includes a collection bucket (8), and a collection trough (7) is provided on the rear side of the filter box (4), with the collection bucket (8) disposed inside the collection trough (7); The top side of the inside of the collection tank (7) is equipped with a second slag discharge pipe (31). The output end of the first slag discharge pipe (25) is fixedly connected to the top input end of the second slag discharge pipe (31). The bottom outer surface of the second slag discharge pipe (31) is fitted with a threaded sleeve (40), and the bottom outer surface of the second slag discharge pipe (31) is provided with a sliding groove (39). The inner wall top side of the threaded sleeve (40) is fixedly connected to a limiting strip (41), the limiting strip (41) is movably connected to the slide groove (39), and the top input end of the collection bucket (8) is threadedly inserted into the threaded sleeve (40).

4. The external steam exhaust and purification device for a traditional Chinese medicine decoction packaging machine according to claim 1, characterized in that: The backwashing mechanism includes a clean water tank (16), which is located on the bottom inside of the filter box (4), and a backwashing pump (18) is also fixedly installed on the bottom inside of the filter box (4). The input end of the backwash pump (18) is fixedly connected to the interior of the clean water tank (16) through a pipe, and the output end of the backwash pump (18) is fixedly connected to the backwash pipe (19); the front side of the filter cylinder (12) is provided with a flushing port (29), the inside of the flushing port (29) is equipped with a backwash nozzle (30), and the backwash nozzle (30) is located below the filter plate (27). The input end of the flushing port (29) is fixedly connected to the solenoid valve three (20), and the output end of the backwash pipe (19) is fixedly connected to the input end of the solenoid valve three (20).

5. The external steam exhaust and purification device for a traditional Chinese medicine decoction packaging machine according to claim 1, characterized in that: The cooling assembly includes a steam treatment box (5), which is fixedly installed on the top side of the filter box (4); The steam treatment box (5) is fixedly connected to the left and right sides of the interior, respectively, with a second heat-conducting plate (36) and a first heat-conducting plate (35). Several semiconductor cooling chips (33) are installed between the first heat-conducting plate (35) and the second heat-conducting plate (36). A cooling spiral coil (34) is installed on the left side of the second heat-conducting plate (36). The output end of the steam conveying pipe (3) is fixedly connected to the input end of the cooling spiral coil (34). The output end of the cooling spiral coil (34) is fixedly connected to the top input end of the conical settling cylinder (9). A cooling fan (32) is fixedly installed on the right side of the interior of the steam treatment box (5). Several heat-conducting fins (37) are fixedly connected to the right side of the first heat-conducting plate (35).

6. The external steam exhaust and purification device for a traditional Chinese medicine decoction packaging machine according to claim 5, characterized in that: The outer surface of the steam treatment box (5) is provided with several ventilation holes (38).

7. The external steam exhaust and purification device for a traditional Chinese medicine decoction packaging machine according to claim 5, characterized in that: A temperature sensor (42) is plugged into the output end of the cooling spiral coil (34).

8. The external steam exhaust and purification device for a traditional Chinese medicine decoction packaging machine according to claim 4, characterized in that: The top of the clean water tank (16) is fixedly connected to a water supply pipe (17).

9. The external steam exhaust and purification device for a traditional Chinese medicine decoction packaging machine according to claim 1, characterized in that: A controller (6) is installed on the top right side of the filter box (4).

10. The external steam exhaust and purification device for a traditional Chinese medicine decoction packaging machine according to claim 1, characterized in that: The bottom right side of the filter box (4) has several heat dissipation holes.

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