Medical residue disposal system

By designing a pharmaceutical waste disposal system, and utilizing equipment such as screw feeders, buffer devices, and pulverizers for cyclic processing, the system solves the problem of low automation in pharmaceutical hazardous waste disposal systems, and achieves efficient and environmentally friendly slurry preparation and resource reuse.

CN224253796UActive Publication Date: 2026-05-19SHAOXING FENGDENG ENVIRONMENTAL PROTECTION CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHAOXING FENGDENG ENVIRONMENTAL PROTECTION CO LTD
Filing Date
2025-06-06
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

Existing pharmaceutical hazardous waste disposal systems have low levels of automation, low processing efficiency, and serious resource waste, failing to meet current environmental protection requirements.

Method used

A pharmaceutical residue disposal system was designed, including a feeding device, a screw feeder, a buffer device, a pulverizer, a mixing device, a filter, and a grinding pump. Through the circulation processing between the screw feeder, buffer device, pulverizer, mixing device, and filter, a slurry grinding cycle is formed. The waste is dispersed by a shaking device to prevent blockage, and dust and exhaust gas are extracted by a fan, realizing the reuse of waste and wastewater.

Benefits of technology

It achieves efficient and automated treatment of pharmaceutical hazardous waste residue, preparing it into a homogeneous organic slurry that is easy to transport by pumps, reducing resource waste, improving treatment efficiency, and preventing blockage and pollution.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a medicine residue disposal system, including feeding device, screw feeder, buffer device, pulverizer, stirring device, filter, grinding pump, liquid inlet pipe, feeding device includes feeding claw and bag breaking device, feeding claw grabs the material bag, bag breaking device breaks the material bag, the lower end of feeding device is connected with screw feeder, and the lower end of feeding device is connected with screw feeder. The discharging end of the crusher is connected with the stirring device, the discharging end of the stirring device is connected with the filter, the discharging end of the filter is connected with the grinding pump, the stirring device is provided with a second liquid inlet, the liquid inlet pipe is connected with the second liquid inlet, and the liquid inlet pipe conveys wastewater; waste materials and waste water flow through the buffer tank, the pulverizer, the stirring device and the grinding pump to form slurry grinding circulation, medical hazardous waste residues are automatically treated, and the treatment efficiency is high.
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Description

Technical Field

[0001] This utility model relates to the field of pharmaceutical residue treatment technology, and more specifically, to a pharmaceutical residue disposal system. Background Technology

[0002] With increasingly stringent environmental regulations and rising public awareness of environmental protection, higher demands are being placed on the disposal of pharmaceutical hazardous waste residues. A more efficient, environmentally friendly, and safe disposal system and method are needed. Existing disposal systems suffer from low automation, low processing efficiency, and significant resource waste in the collection, transportation, and treatment of residues, failing to meet the actual needs of current pharmaceutical hazardous waste residue disposal. The key to treating this type of pharmaceutical hazardous waste residue is to prepare it into a homogeneous organic slurry; therefore, a technical solution is needed to address these issues. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and to provide a pharmaceutical residue disposal system that can automatically and efficiently process waste and wastewater into slurry.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] This utility model discloses a pharmaceutical residue disposal system, including a feeding device, a screw feeder, a buffer device, a pulverizer, a stirring device, a filter, a grinding pump, and a liquid inlet pipe. The feeding device includes a feeding claw and a packing breaking device. The feeding claw grabs the packs, and the packing breaking device breaks the packs. The lower end of the feeding device is connected to the screw feeder. The discharge end of the screw feeder is connected to the buffer device. The discharge end of the buffer device is connected to the pulverizer. The discharge end of the pulverizer is connected to the stirring device. The discharge end of the stirring device is connected to the filter. The discharge end of the filter is connected to the grinding pump. The stirring device has a second liquid inlet, and the liquid inlet pipe is connected to the second liquid inlet to transport wastewater.

[0006] Furthermore, the buffer device includes a buffer box and a shaking device. The shaking device includes a shaking rod and a driving device. The driving device can drive the shaking rod to move up and down. At least a portion of the shaking rod is located inside the buffer box. The lower end of the shaking rod is provided with a shaking head. Waste material entering the buffer box collides with the shaking head.

[0007] Furthermore, the shaking head includes a first shaking frame and a second shaking frame, which are arranged vertically at intervals. Both the first and second shaking frames are provided with multiple spaced rods, and the rods located in the first shaking frame and the rods located in the second shaking frame are staggered.

[0008] Furthermore, the driving device is installed on the top of the buffer box. The driving device includes a motor, a driving disk, and a connecting rod. The motor is fixedly installed in the buffer box. The rotating shaft of the motor drives the driving disk to rotate. The driving disk has a connecting end located in the rotation direction of the driving disk. One end of the connecting rod is rotatably connected to the connecting end, and the other end of the connecting rod is rotatably connected to the shaking rod. The buffer box has a bushing, and the shaking rod passes through the bushing and slides along the bushing.

[0009] Furthermore, the buffer box includes a first cavity and a second cavity. The lower end of the first cavity is provided with a first discharge port, which is connected to the crusher. The second cavity is located on the upper side of the first cavity. The second cavity includes a feed port, which is connected to the screw feeder. The bottom surface of the second cavity forms a slope, which slopes downward at the end near the first cavity.

[0010] Furthermore, the shaking head is located within the first cavity, and the shaking head is close to the inner wall of the first cavity connecting to the second cavity.

[0011] Furthermore, the stirring device includes a stirring rod, which is a ribbon type. The stirring device is equipped with a second material level sensor, and the liquid inlet pipe is provided with a second control valve. The second material level sensor is connected to the second control valve.

[0012] Furthermore, the grinding pump is connected to an output pipeline, which includes a first pipeline, a second pipeline, and a third pipeline. The slurry is discharged from the rear end of the first pipeline. The screw feeder is provided with a first liquid inlet located at the discharge end of the screw feeder. The second pipeline is connected to the first liquid inlet. The bottom of the stirring device is provided with a second discharge outlet connected to the filter. The stirring device includes a replenishment port located on the side of the stirring device near the second discharge outlet. The third pipeline is connected to the replenishment port.

[0013] Furthermore, the device includes a blower, and the feeding device includes a spraying device located between the feeding claw and the bag-breaking device. The feeding device, the buffer device, and the stirring device are all connected to the blower.

[0014] A method for treating pharmaceutical waste residue, based on the aforementioned pharmaceutical hazardous waste residue disposal system, includes the following steps:

[0015] S1. According to the matching scheme, the material bag is released from the warehouse, the blower is turned on, and the wastewater is fed into the mixing device through the liquid inlet pipe. The liquid feeding is stopped when the liquid level reaches the designated position in the mixing device.

[0016] S2. Turn on the grinding pump and the second pipeline in the output pipeline so that the wastewater enters the buffer tank of the buffer device through the screw feeder. Start the crusher and the wastewater flows through the crusher and enters the mixing device. A liquid circulation is formed between the buffer tank, crusher, mixing device and grinding pump.

[0017] S3. Start the screw feeder and start the agitator. The material bag is picked up and fed in by the feeding claw of the feeding device. The bag is broken by the bag breaking device. The material is conveyed to the buffer tank by the screw feeder. After the material is dispersed by the shaking device, it is mixed with the wastewater and flows through the crusher for crushing. The crushed slurry enters the mixing device for mixing. The mixed slurry is filtered by the filtration device. The filtered slurry is conveyed to the buffer tank by the grinding pump for circulating grinding.

[0018] S4. After 30 minutes of circulating grinding, take a sample at the first pipe of the output pipeline. After the sample analysis is qualified, send the slurry out from the first pipe.

[0019] The beneficial effects of this utility model are:

[0020] 1. This utility model uses a processing system to process pharmaceutical waste and wastewater through a buffer tank, a crusher, a stirring device, a filter, and a grinding pump to form a slurry grinding cycle, preparing pharmaceutical hazardous waste residue into a homogeneous organic slurry that is easy to transport by pumps and can be used as a chemical raw material. It automatically processes pharmaceutical hazardous waste residue with high processing efficiency, and the waste and wastewater are recycled and reused.

[0021] 2. The second cavity of the buffer box of the buffer device in this utility model has an inclined slope. The waste falls into the slope and slides down the inclined slope towards the first cavity. The slope plays a buffering role in the feeding of waste. The shaking head of the shaking device of the buffer device can shake up and down to collide with the waste falling from the second cavity. It can collide with the waste to break up the clumps of waste before it falls into the wastewater, preventing the waste from clogging the feed. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of one embodiment.

[0023] Figure 2 This is a schematic diagram of a buffer device in this embodiment.

[0024] Reference numerals: 1. Feeding device; 11. Feeding claw; 12. Spraying device; 13. Bagged breaking device; 2. Screw feeder; 21. First liquid inlet; 3. Buffer device; 31. Buffer tank; 311. First cavity; 3111. First discharge port; 312. Second cavity; 3121. Slope; 3122. Feed inlet; 32. Shaking device; 321. Shaking rod; 3211. Shaking head; 32111. First shaking frame; 32112. Second shaking frame; 322. Drive device; 3221. Motor; 3222, Drive disc; 3223, Connecting end; 3224, Connecting rod; 323, Bushing; 33, First material level sensor; 4, Crusher; 5, Stirring device; 51, Stirring rod; 52, Second liquid inlet; 53, Second material level sensor; 54, Second discharge outlet; 55, Liquid replenishment port; 6, Filter; 7, Grinding pump; 71, Output pipeline; 711, First pipeline; 712, Second pipeline; 713, Third pipeline; 7131, First control valve; 8, Fan; 9, Liquid inlet pipe; 91, Second control valve. Detailed Implementation

[0025] The technical solutions in this embodiment will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0026] like Figure 1 , Figure 2As shown, this embodiment discloses a pharmaceutical residue disposal system, including a feeding device 1, a screw feeder 2, a buffer device 3, a pulverizer 4, a stirring device 5, a filter 6, a grinding pump 7, a blower 8, and a liquid inlet pipe 9. The feeding device 1 includes a feeding claw 11, a spraying device 12, and a packaging breaking device 13. The feeding claw 11 grabs the material package, and the packaging breaking device 13 breaks the package. The feeding device 1 includes a spraying device 12 located between the feeding claw 11 and the packaging breaking device 13. After the packaging breaking device 13 breaks the package, dust is generated after the packaging breaking device 13 breaks the package. The dust will be dispersed outward from the inlet of the feeding claw 11. A spray device 12 is installed on the side wall of the feeding device 1 above 13. The spray device 12 uses water mist to suppress the dust generated by the bag breaking, preventing environmental pollution. The feeding device 1 is equipped with an inverted V-shaped baffle, which acts as a buffer to block the material bag and waste, preventing the waste from falling directly into the screw feeder 2 and causing blockage. The bag breaking device 13 can pack the emptied material bag and send it out of the feeding device 1. The upper end of the feeding device 1 is connected to a fan 8, which continuously draws air outward, making the inside of the feeding device 1 a slightly negative pressure environment. The exhaust gas generated by the volatilization of waste inside the feeding device 1 can be drawn away and sent out by the fan 8, which can prevent toxic and harmful gases from volatilizing into the surrounding environment.

[0027] like Figure 2 As shown, the lower end of the feeding device 1 is connected to the screw feeder 2, and the discharge end of the screw feeder 2 is connected to the buffer device 3. The buffer device 3 includes a buffer box 31 and a shaking device 32. The buffer box 31 includes a first cavity 311 and a second cavity 312. The lower end of the first cavity 311 is provided with a first discharge port 3111, which is connected to the crusher 4. The second cavity 312 is located on the upper side of the first cavity 311. The second cavity 312 includes a feed inlet 3122, which is connected to the screw feeder 2. The bottom surface of the second cavity 312 forms a slope 3121. 1. The end near the first cavity 311 is inclined downwards. The screw feeder 2 sends the waste to the feed port 3122 and falls into the second cavity 312 from the feed port 3122. The waste falls into the slope 3121 and slides down the inclined slope 3121 towards the first cavity 311. The second cavity 312 can temporarily store the waste in the slope 3121 after it is fed in, which plays a buffering role in the feeding of waste and prevents the waste from falling directly to the first discharge port 3111 and causing blockage. The top of the buffer box 31 is connected to the blower 8. The blower 8 can draw the waste gas in the buffer box 31 outwards, so that the buffer box 31 is kept in a slightly negative pressure state.

[0028] The material shaking device 32 includes a shaking rod 321 and a driving device 322. The driving device 322 can drive the shaking rod 321 to move up and down. The driving device 322 is installed on the top of the buffer box 31. The driving device 322 includes a motor 3221, a driving disk 3222, and a connecting rod 3224. The motor 3221 is fixedly installed on the buffer box 31. The shaft of the motor 3221 drives the driving disk 3222 to rotate. The driving disk 3222 is provided with a connecting end 3223, which is located in the rotation direction of the driving disk 3222. The rotation of the drive disc 3222 can drive the connecting end 3223 to move in a circular trajectory. One end of the connecting rod 3224 is rotatably connected to the connecting end 3223, and the other end of the connecting rod 3224 is rotatably connected to the shaking rod 321. The rotation of the drive disc 3222 can drive the shaking rod 321 to move up and down reciprocally, so that the shaking head 3211 can shake up and down. The buffer box 31 is provided with a bushing 323. The shaking rod 321 passes through the bushing 323 and slides along the bushing 323. The bushing 323 has the functions of sealing and guiding the movement of the shaking rod 321.

[0029] At least a portion of the shaking rod 321 is located inside the buffer box 31. The lower end of the shaking rod 321 is provided with a shaking head 3211. The waste material entering the buffer box 31 collides with the shaking head 3211. More preferably, the shaking head 3211 is located inside the first cavity 311. The shaking head 3211 is close to the inner wall of the first cavity 311 and the second cavity 312. The shaking head 3211 is closer to the second cavity 312 and can better receive the waste material falling from the second cavity 312.

[0030] The vibrating head 3211 vibrates as the vibrating rod 321 moves up and down. When waste material falling from the second chamber 312 comes into contact with the vibrating head 3211, the waste material will collide with the vibrating head 3211 and be broken up. Large pieces of waste material are broken into smaller pieces and fall into the waste liquid in the first chamber 311, preventing large pieces of waste material from clogging the first discharge port 3111 and ensuring better crushing effect of the crusher. The vibrating head 3211 includes a first vibrating frame 32111 and a second vibrating frame 32112, which are arranged vertically at intervals. Each of the 32112 has multiple spaced rods. When waste comes into contact with the rods, it will be broken up by the impact of the rods. Small pieces of waste can pass through the gaps between two adjacent rods. The waste stuck between two rods falls down with the shaking of the shaking head 3211 and the collision of subsequent waste. The rods in the first shaking frame 32111 and the rods in the second shaking frame 32112 are staggered. The waste that passes through the gaps between the rods in the first shaking frame 32111 will collide with the rods in the second shaking frame 32112 after falling, and then collide again, so that the waste can be broken up more evenly. Some of the waste left on the shaking head 3211 will also fall off with the up and down shaking of the shaking head 3211.

[0031] like Figure 1 As shown, the first discharge port 3111 of the buffer device 3 is connected to the crusher 4, and the discharge end of the crusher 4 is connected to the stirring device 5. The stirring device 5 is equipped with a rotating stirring rod 51. The stirring rod 51 is of the spiral type, which can scrape the inner wall of the stirring device 5 while stirring. The spiral type stirring rod 51 can better stir the relatively viscous slurry, so that the waste material and wastewater after crushing are fully mixed. The discharge end of the stirring device 5 is connected to the filter 6. The filter 6 is a Lancôme filter, which can filter out excessively large impurities in the stirred slurry, preventing impurities from jamming and damaging the grinding pump 7. The discharge end of the filter 6 is connected to the grinding pump 7. The stirring device 5 is provided with a second liquid inlet 52. The liquid inlet pipe 9 is connected to the second liquid inlet 52 and transports wastewater. The wastewater is used to mix with the waste material to form a slurry. The wastewater can be used to carry the waste material for transportation, and the wastewater can be recycled and reused to make slurry, saving resources.

[0032] The mixing device 5 is equipped with a second material level sensor 53, and the liquid inlet pipe 9 is equipped with a second control valve 91. The second material level sensor 53 is connected to the second control valve 91. The second material level sensor 53 can sense the material level in the mixing device 5. Before slurry preparation, the second material level sensor 53 senses the amount of wastewater injected into the mixing device 5. When the wastewater level in the mixing device 5 reaches the designated position, the second material level sensor 53 sends a signal to close the second control valve 91. Thus, the final slurry output can be controlled according to the ratio. The top of the mixing device 5 is connected to a blower 8. The blower 8 can extract the waste gas in the mixing device 5 to the outside, so that the mixing device 5 maintains a slightly negative pressure state.

[0033] The grinding pump 7 is connected to the output pipeline 71, which includes a first pipeline 711, a second pipeline 712, and a third pipeline 713. The first pipeline 711 is used to deliver the finished slurry to the rear end. The screw feeder 2 is provided with a first inlet 21, which is located at the discharge end of the screw feeder 2. The second pipeline 712 is connected to the first inlet 21 and connects the grinding pump 7 and the buffer tank 31, so that the buffer tank 31, the crusher 4, the stirring device 5, the filter 6, and the grinding pump 7 are connected, so that the wastewater, waste material, and slurry are circulated, crushed, ground, and mixed in the circulation loop. The wastewater and slurry passing through the grinding pump 7 can be sent to the discharge end of the screw feeder 2 through the second pipeline 712, which can prevent the discharge end of the screw feeder 2 from being blocked.

[0034] The bottom of the stirring device 5 is provided with a second discharge port 54, which is connected to the filter 6. The stirring device 5 includes a liquid replenishment port 55, which is located on the side of the stirring device 5 near the second discharge port 54. A third pipeline 713 is connected to the liquid replenishment port 55, and a first control valve 7131 is installed on the third pipeline 713. A first material level sensor 33 is installed in the buffer tank 31, and the first material level sensor 33 is connected to the first control valve 7131. The first material level sensor 33 can sense the material level in the buffer tank 31. When the slurry in the mixing device 5 is too viscous, making it difficult to discharge and feed, it will cause an abnormal material level in the buffer tank 31, triggering the first material level sensor 33. The first material level sensor 33 opens the first control valve 7131, and the grinding pump 7 pumps the slurry into the replenishment port 55 through the third pipeline 713, promoting the flow of slurry at the discharge port of the mixing device 5 and preventing blockage in the mixing device 5. When the material level in the buffer tank 31 is kept normal, the first control valve 7131 closes, restoring the circulation path.

[0035] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A pharmaceutical residue disposal system, characterized in that, The system includes a feeding device (1), a screw feeder (2), a buffer device (3), a crusher (4), a mixing device (5), a filter (6), a grinding pump (7), and an inlet pipe (9). The feeding device (1) includes a feeding claw (11) and a bag-breaking device (13). The feeding claw (11) grabs the material bag, and the bag-breaking device (13) breaks the material bag. The lower end of the feeding device (1) is connected to the screw feeder (2). The screw feeder (2) outputs... The material end is connected to the buffer device (3), the discharge end of the buffer device (3) is connected to the crusher (4), the discharge end of the crusher (4) is connected to the stirring device (5), the discharge end of the stirring device (5) is connected to the filter (6), the discharge end of the filter (6) is connected to the grinding pump (7), the stirring device (5) is provided with a second liquid inlet (52), the liquid inlet pipe (9) is connected to the second liquid inlet (52), and the liquid inlet pipe (9) transports wastewater.

2. The pharmaceutical residue disposal system according to claim 1, characterized in that, The buffer device (3) includes a buffer box (31) and a shaking device (32). The shaking device (32) includes a shaking rod (321) and a driving device (322). The driving device (322) can drive the shaking rod (321) to move up and down. At least a part of the shaking rod (321) is located inside the buffer box (31). The lower end of the shaking rod (321) is provided with a shaking head (3211). Waste entering the buffer box (31) collides with the shaking head (3211).

3. The pharmaceutical residue disposal system according to claim 2, characterized in that, The shaking head (3211) includes a first shaking frame (32111) and a second shaking frame (32112). The first shaking frame (32111) and the second shaking frame (32112) are arranged vertically at intervals. Both the first shaking frame (32111) and the second shaking frame (32112) are provided with multiple rods arranged at intervals. The rods located in the first shaking frame (32111) and the rods located in the second shaking frame (32112) are staggered.

4. The pharmaceutical residue disposal system according to claim 2, characterized in that, The drive device (322) is installed on the top of the buffer box (31). The drive device (322) includes a motor (3221), a drive disk (3222), and a connecting rod (3224). The motor (3221) is fixedly installed on the buffer box (31). The rotating shaft of the motor (3221) drives the drive disk (3222) to rotate. The drive disk (3222) is provided with a connecting end (3223). The connecting end (3223) is located in the rotation direction of the drive disk (3222). One end of the connecting rod (3224) is rotatably connected to the connecting end (3223), and the other end of the connecting rod (3224) is rotatably connected to the shaking rod (321). The buffer box (31) is provided with a bushing (323). The shaking rod (321) passes through the bushing (323) and slides along the bushing (323).

5. The pharmaceutical residue disposal system according to claim 2, characterized in that, The buffer box (31) includes a first cavity (311) and a second cavity (312). The lower end of the first cavity (311) is provided with a first discharge port (3111), which is connected to the crusher (4). The second cavity (312) is located on the upper side of the first cavity (311). The second cavity (312) includes a feed inlet (3122), which is connected to the screw feeder (2). The bottom surface of the second cavity (312) forms a slope (3121), which slopes downward at the end near the first cavity (311).

6. The pharmaceutical residue disposal system according to claim 5, characterized in that, The shaking head (3211) is located inside the first cavity (311), and the shaking head (3211) is close to the inner wall of the first cavity (311) connecting to the second cavity (312).

7. The pharmaceutical residue disposal system according to claim 1, characterized in that, The stirring device (5) is equipped with a second material level sensor (53), and the liquid inlet pipe (9) is provided with a second control valve (91). The second material level sensor (53) is connected to the second control valve (91).

8. The pharmaceutical residue disposal system according to claim 1, characterized in that, The grinding pump (7) is connected to the output pipeline (71), which includes a first pipeline (711), a second pipeline (712), and a third pipeline (713). The first pipeline (711) delivers slurry at its rear end. The screw feeder (2) is provided with a first inlet (21), which is located at the discharge end of the screw feeder (2). The second pipeline (712) is connected to the first inlet (21). The bottom of the stirring device (5) is provided with a second outlet (54), which is connected to the filter (6). The stirring device (5) includes a replenishment port (55), which is located on the side of the stirring device (5) near the second outlet (54). The third pipeline (713) is connected to the replenishment port (55).

9. The pharmaceutical residue disposal system according to claim 1, characterized in that, Includes a blower (8), the feeding device (1) includes a spray device (12), the spray device (12) is located between the feeding claw (11) and the bag breaking device (13), the feeding device (1), the buffer device (3) and the stirring device (5) are all connected to the blower (8), the stirring device (5) includes a stirring rod (51), the stirring rod (51) is a ribbon type.