Medical biosafety protection environment-friendly separation device

By automatically controlling the amount of disinfectant added through a water collection tank and spring system, combined with a motor-driven rotating column and piston cylinder system, the problems of disinfectant addition error and waste are solved, achieving efficient and safe solution separation and disinfection.

CN120247129BActive Publication Date: 2026-07-24ANHUI USTC ZONKIA SCI INSTR
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
ANHUI USTC ZONKIA SCI INSTR
Filing Date
2025-04-02
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing medical biosafety and environmentally friendly separation devices have errors when adding disinfectant, leading to unstable disinfection quality or waste of disinfectant resources.

Method used

The spring is squeezed by the water collection tank, which drives the connecting column to move and controls the downward movement of the squeezing column. The amount of disinfectant added is adjusted according to the weight of the sewage. The solution separation and disinfectant automatic control are achieved by using a motor-driven rotating column and piston cylinder system.

Benefits of technology

It achieves automatic adjustment of the amount of disinfectant added based on the amount of sewage, avoiding human error, reducing waste of disinfectant, and ensuring the efficiency and safety of separation and disinfection through the automation system.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to the field of medical separation technology, in particular to an environmental protection separation device for medical biological safety protection, which comprises a separation device, a feeding opening is arranged on the separation device, a separation mechanism is arranged in the separation device, a disinfection mechanism is further arranged in the separation device, and a separation cylinder is arranged at the lower end of the feeding opening. The application aims to press the spring by using the water collecting pool to drive the connecting column to move, the connecting column moves downward to drive the extrusion column to move downward, the extrusion column moves downward to discharge the disinfectant in the drainage cylinder into the water storage cylinder through the pressure valve, the distance of the spring movement is different according to the weight of the sewage in the water collecting pool, the distance of the extrusion column movement is different, the amount of the disinfectant added into the water storage cylinder is different, the amount of the disinfectant added is controlled according to the amount of the sewage during the discharge, manual blind addition of the disinfectant is avoided, and the disinfectant resource is not wasted.
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Description

Technical Field

[0001] This invention relates to the field of medical separation technology, specifically to a medical biosafety and environmentally friendly separation device. Background Technology

[0002] Liquid waste containing pathogens (bacteria, viruses, fungi, prions, etc.) generated in operating rooms, laboratories, wards, etc. may cause nosocomial infections if directly contacted, and improper disposal may pollute the environment (soil, water sources).

[0003] Existing medical biosafety and environmentally friendly separation devices typically require manual addition of large amounts of disinfectant to sterilize the infected liquid after separating the infected object before discharge or reuse. However, manual addition of disinfectant often introduces errors; adding too little disinfectant affects the sterilization quality of the infected liquid, while adding too much disinfectant wastes disinfectant resources. Summary of the Invention

[0004] The purpose of this invention is to provide a medical biosafety and environmentally friendly separation device. A water collection tank compresses a spring, causing a connecting column to move. The downward movement of the connecting column then causes a compression column to move downward, discharging the disinfectant solution inside the drainage tank into a storage tank through a pressure valve. The distance the spring moves varies depending on the weight of the wastewater in the collection tank, thus controlling the distance the compression column moves and the amount of disinfectant solution added to the storage tank. This allows for precise control of the amount of disinfectant added during discharge based on the volume of wastewater, avoiding the waste of disinfectant resources caused by manual, indiscriminate addition.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a medical biosafety and environmentally friendly separation device, comprising a separation device, a feeding port provided on the separation device, a separation mechanism provided inside the separation device, a disinfection mechanism provided inside the separation device, and a separation cylinder provided at the lower end of the feeding port;

[0006] The separation mechanism includes a motor fixedly installed inside the separation device. The output end of the motor is provided with a rotating column. A scraper connected to the separation cylinder is provided on one side of the rotating column. A first piston cylinder is provided on the rotating column. A threaded piston sleeve that reciprocates and moves inside the first piston cylinder is provided at the upper end of the rotating column. A gas storage plate is connected to one side of the first piston cylinder. A second piston cylinder is connected to the gas storage plate. A push column moves inside the second piston cylinder. A push plate that moves inside the separation cylinder is provided at the upper end of the push column.

[0007] The disinfection mechanism includes a water collection tank located outside the separation cylinder, a spring at the bottom of the water collection tank, a water storage cylinder at the top of the water collection tank, a drain cylinder at the top of the water storage cylinder, a sliding baffle inside the water storage cylinder, a squeezing column inside the water collection tank, one end of the squeezing column extending into the interior of the water storage cylinder and the drain cylinder, a disinfectant tank on one side of the drain cylinder, a discharge port on one side of the scraper, and a collection bin on one side of the discharge port.

[0008] Preferably, an observation column is provided inside the first piston cylinder, and a movable plate is provided inside the observation column. The observation column is designed to be made of transparent material.

[0009] Preferably, an air supply pipe is provided on one side of the first piston cylinder, an exhaust port is provided on one side of the air supply pipe, and one end of the air supply pipe is connected to the air storage plate.

[0010] Preferably, the upper end of the push column is provided with a first connecting plate, and the first connecting plate is provided with a track inside, the size of which is adapted to the push column.

[0011] Preferably, the rotating column is further provided with a fixed column, one side of which is connected to the separation cylinder, and the scraper passes through the fixed column.

[0012] Preferably, a protective sleeve is provided at the bottom of the water collection tank, the inside of the water collection tank is connected to a connecting column, a drain outlet is provided on one side of the water collection tank, one end of the connecting column is connected to a squeezing column, and the size of the squeezing column is adapted to the drain cylinder.

[0013] Preferably, a water supply pipe is provided on one side of the drain cylinder, one end of the water supply pipe is connected to the disinfectant tank, and a second connecting plate is provided at the lower end of the disinfectant tank, the interior of the second connecting plate being connected to the discharge port.

[0014] Preferably, the water storage cylinder is equipped with a pressure valve that passes through the connecting column. The water storage cylinder is also equipped with a water outlet that is inserted into a baffle at its upper end. A movable block is provided at the upper end of the baffle. The separation cylinder is equipped with a groove that is adapted to the size of the movable block. The push plate is equipped with a drain cylinder.

[0015] Preferably, the push plate is provided with an extrusion groove, the size of which is adapted to the moving block, and a one-way valve is provided inside both the first piston cylinder and the feeding port.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. This invention utilizes a water collection tank to compress a spring, causing a connecting column to move. The downward movement of the connecting column causes the compression column to move downward, discharging the disinfectant inside the drainage cylinder into a storage cylinder through a pressure valve. The distance the spring moves varies depending on the weight of the wastewater inside the collection tank, thereby controlling the distance the compression column moves and the amount of disinfectant added to the storage cylinder. This allows for precise control of the amount of disinfectant added during discharge based on the volume of wastewater, avoiding the waste of disinfectant resources caused by manual, indiscriminate addition.

[0018] 2. In this invention, gas enters the second piston cylinder to compress the push column, causing it to rise. The rising push column then moves the push disk. During prolonged operation, gas is continuously introduced into the push column, causing the push disk to rise continuously. Simultaneously, the separation cylinder rotates to remove water from the solution, leaving impurities on the push disk. When the push disk reaches the top, a scraper sweeps away the impurities on the push disk, and the waste enters the collection chamber through the discharge port for collection. This facilitates the collection of impurities from the waste by operators and avoids contamination and damage to operators during collection.

[0019] 3. In this invention, the gas inside the separation cylinder is discharged into the first piston cylinder by the continuous rotation of the motor driving the threaded piston sleeve, thus avoiding the discharge of virus-laden gas from inside the device that could harm the operator. At the same time, the gas discharged into the first piston cylinder is discharged into the second piston cylinder, causing the gas inside the observation column to move the moving plate, so that the operator can observe whether the inside of the first piston cylinder is sealed through the observation column. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 This is a partial structural cross-sectional view of the present invention;

[0022] Figure 3 This is a second partial structural cross-sectional view of the present invention;

[0023] Figure 4 This is one of the structural schematic diagrams of the separation mechanism of the present invention;

[0024] Figure 5 This is a partial structural diagram of the disinfection mechanism of the present invention;

[0025] Figure 6 For the present invention Figure 5 Enlarged view of section A in the middle;

[0026] Figure 7 This is a schematic diagram of the air supply pipe connection structure of the present invention;

[0027] Figure 8 This is a second schematic diagram of a portion of the disinfection mechanism of the present invention;

[0028] Figure 9 For the present invention Figure 8 Enlarged view of section B;

[0029] Figure 10 This is a second schematic diagram of the separation mechanism of the present invention;

[0030] Figure 11 This is a third schematic diagram of the separation mechanism of the present invention;

[0031] Figure 12 The third part of the schematic diagram of the disinfection mechanism of the present invention is shown.

[0032] In the diagram: 1. Separation device; 11. Feed port; 12. Separation cylinder; 13. Collection bin; 2. Separation mechanism; 21. Motor; 211. Observation column; 212. Moving plate; 213. First piston cylinder; 214. Air supply pipe; 215. Exhaust port; 22. Rotating column; 221. Threaded piston sleeve; 23. Scraper; 231. Fixed column; 25. Air storage plate; 251. Second piston cylinder; 252. Pushing column; 253. Pushing plate ; 254. First connecting plate; 3. Disinfection mechanism; 31. Water collection tank; 311. Connecting column; 312. Drain outlet; 32. Protective sleeve; 321. Spring; 33. Drain cylinder; 331. Squeezing column; 332. Water storage cylinder; 333. Pressure valve; 334. Baffle; 335. Water outlet; 336. Moving block; 337. Squeezing groove; 34. Disinfectant tank; 341. Water supply pipe; 35. Second connecting plate; 351. Discharge port. Detailed Implementation

[0033] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0034] The present invention provides a medical biosafety protection and environmentally friendly separation device, including a separation device 1, a feeding port 11 provided on the separation device 1, a separation mechanism 2 provided inside the separation device 1, a disinfection mechanism 3 provided inside the separation device 1, and a separation cylinder 12 provided at the lower end of the feeding port 11.

[0035] The separation mechanism 2 includes a motor 21 fixedly installed inside the separation device 1. A rotating column 22 is provided at the output end of the motor 21. A scraper 23 connected to the separation cylinder 12 is provided on one side of the rotating column 22. A first piston cylinder 213 is provided on the rotating column 22. A threaded piston sleeve 221 reciprocates and moves inside the first piston cylinder 213. A gas storage plate 25 is connected to one side of the first piston cylinder 213. A second piston cylinder 251 is connected to the gas storage plate 25. A push column 252 moves inside the second piston cylinder 251. A push plate 253 that moves inside the separation cylinder 12 is provided at the upper end of the push column 252.

[0036] The disinfection mechanism 3 includes a water collection tank 31 located outside the separation cylinder 12. A spring 321 is installed at the bottom of the water collection tank 31. A water storage cylinder 332 is installed at the top of the water collection tank 31. A drain cylinder 33 is installed at the top of the water storage cylinder 332. A sliding baffle 334 is installed inside the water storage cylinder 332. A squeezing column 331 is installed inside the water collection tank 31. One end of the squeezing column 331 extends into the interior of the water storage cylinder 332 and the drain cylinder 33. A disinfectant tank 34 is installed on one side of the drain cylinder 33. A discharge port 351 is installed on one side of the scraper 23. A collection chamber 13 is installed on one side of the discharge port 351.

[0037] When using this device, the solution to be separated is added into the device through the feed port 11. After addition, the motor 21 is started to drive the rotating column 22 to rotate. The rotation of the rotating column 22 drives the fixed column 231 to rotate, which in turn drives the separation cylinder 12 to rotate. The rotation of the separation cylinder 12 causes the solution inside the separation cylinder 12 to rotate. During rotation, the solution discharges water into the collection tank 31 through the filter holes on the separation cylinder 12. At the same time, the rotation of the rotating column 22 drives the threaded piston sleeve 221 to reciprocate, discharging the gas inside the device through the first piston cylinder 213 into the gas delivery pipe 214. The gas then enters the gas storage pan 25 through the gas delivery pipe 214 and finally enters the second piston cylinder 214. Inside cylinder 251, gas enters the second piston cylinder 251 and compresses the push column 252, causing it to rise. The rising push column 252 moves the push disk 253. During long-term operation, gas is continuously introduced into the push column 252, causing the push disk 253 to rise continuously. At the same time, the separation cylinder 12 rotates to remove water from the solution, leaving impurities on the push disk 253. When the push disk 253 rises to the top, the scraper 23 scrapes the impurities on the push disk 253 and collects them through the discharge port 351 into the collection chamber 13. This facilitates the collection of impurities from the waste by the operator and avoids the operator being contaminated by impurities and causing damage.

[0038] Simultaneously, as the pushing disc 253 rises, all the water inside the separation cylinder 12 is filtered into the collection tank 31. When the pushing disc 253 rises to the top, it contacts and squeezes against the moving block 336 on one side, causing the moving block 336 to move and rise. At the same time, the rising of the moving block 336 causes the baffle 334 to rise, and the rising of the drain cylinder 33 opens the outlet 335. The disinfectant in the water storage cylinder 332 falls from the outlet 335 into the sewage inside the collection tank 31 to disinfect the sewage and prevent the direct discharge of infectious liquids, which would cause environmental pollution. Meanwhile, before the baffle 334 opens, [the system]... The water collection tank 31 squeezes the spring 321, causing the connecting column 311 to move. The downward movement of the connecting column 311 causes the squeezing column 331 to move downward. The downward movement of the squeezing column 331 discharges the disinfectant inside the drain cylinder 33 into the water storage cylinder 332 through the pressure valve 333. Depending on the weight of the sewage inside the water collection tank 31, the distance that the spring 321 moves varies, thereby controlling the distance that the squeezing column 331 moves and controlling the amount of disinfectant added to the water storage cylinder 332. This allows the amount of disinfectant added to be controlled according to the amount of sewage during discharge, avoiding the waste of disinfectant resources caused by blindly adding disinfectant manually.

[0039] Simultaneously, the continuous rotation of motor 21 drives the threaded piston sleeve 221 to discharge the gas inside the separation cylinder 12 into the first piston cylinder 213, preventing the discharge of virus-laden gas from the device from harming the operator. At the same time, the gas discharged into the first piston cylinder 213 is discharged into the second piston cylinder 251, causing the gas inside the observation column 211 to drive the moving plate 212 to move, so that the operator can observe whether the inside of the first piston cylinder 213 is sealed through the observation column 211.

[0040] In an optional embodiment, a threaded piston sleeve 221 is provided at the upper end of the rotating column 22, an observation column 211 is provided inside the first piston cylinder 213, a movable piece 212 is provided inside the observation column 211, and the observation column 211 is designed to be made of transparent material.

[0041] It should be noted that the rotation of the motor 21 drives the rotation of the rotating column 22, which in turn causes the threaded piston sleeve 221 to extend and retract, squeezing the gas inside the separator 12 into the first piston cylinder 213. During long-term operation, the gas pressure inside the first piston cylinder 213 increases, squeezing the moving plate 212 and causing it to rise. The position of the moving plate 212 is observed by the observation column 211, which determines whether the first piston cylinder 213 is in a sealed state, thus preventing gas leakage from the device and avoiding any impact on the operator.

[0042] In an optional embodiment, an air supply pipe 214 is provided on one side of the first piston cylinder 213, and an exhaust port 215 is provided on one side of the air supply pipe 214. One end of the air supply pipe 214 is connected to the air storage plate 25.

[0043] It should be noted that the gas inside the first piston cylinder 213 is discharged into the air supply pipe 214, and the gas is discharged into the gas storage plate 25 through the air supply pipe 214, which drives the push plate 253 to rise. After the separation is completed, the gas inside the air supply pipe 214 is discharged by opening the exhaust port 215, which makes it easier for operators to collect polluted gas and avoids the direct emission of polluted gas from affecting the environment.

[0044] In an optional embodiment, a first connecting plate 254 is provided at the upper end of the push column 252, and a track is provided inside the first connecting plate 254, the size of which is adapted to the push column 252.

[0045] It should be noted that after the gas is discharged into the gas storage plate 25, it is discharged into the second piston cylinder 251 to squeeze the push column 252. When the gas inside the second piston cylinder 251 increases, it squeezes the push column 252, causing the push column 252 to rise, which in turn drives the push plate 253 to rise, making it easier to collect impurities on the push plate 253.

[0046] In an optional embodiment, a fixed column 231 is also provided on the rotating column 22, one side of the fixed column 231 is connected to the separating cylinder 12, and the scraper 23 passes through the fixed column 231.

[0047] It should be noted that the rotating column 22 rotates while driving the fixed column 231 to rotate, and the rotating fixed column 231 drives the separating cylinder 12 to rotate. At the same time, the scraper 23 rotates. When the pushing disk 253 rises to the top, the scraper 23 scrapes the impurities on the pushing disk 253 by rotating and collects them through the discharge port 351 on one side. The impurities are then discharged into the collection bin 13 through the discharge port 351, avoiding the need for operators to manually collect the impurities and avoid injury to the operators.

[0048] In an optional embodiment, a protective sleeve 32 is provided at the bottom of the water collection tank 31, the inside of the water collection tank 31 is connected to the connecting column 311, a drain outlet 312 is provided on one side of the water collection tank 31, one end of the connecting column 311 is connected to the squeezing column 331, and the size of the squeezing column 331 is adapted to the drain cylinder 33.

[0049] It should be noted that the rotating separator 12 discharges sewage into the collection tank 31. After collecting the sewage, the collection tank 31 compresses the spring 321, causing the collection tank 31 to descend. The collection tank 31 descends into the protective sleeve 32. At the same time, the descent of the collection tank 31 drives the connecting column 311 to descend, thereby controlling the amount of disinfectant added. After disinfection, the water in the collection tank 31 is collected by opening the drain outlet 312, avoiding direct discharge of sewage and pollution to the environment.

[0050] In an optional embodiment, a water supply pipe 341 is provided on one side of the drain cylinder 33. One end of the water supply pipe 341 is connected to the disinfectant tank 34. A second connecting plate 35 is provided at the lower end of the disinfectant tank 34. The interior of the second connecting plate 35 is connected to the discharge port 351.

[0051] It should be noted that the disinfectant tank 34 replenishes the disinfectant to the drain cylinder 33 through the water supply pipe 341. At the same time, when the scraper 23 rotates, it causes impurities to rotate on the inner wall of the second connecting plate 35. When they move to one end of the discharge port 351, they are collected through the discharge port 351.

[0052] In an optional embodiment, a pressure valve 333 is provided inside the water storage cylinder 332, and the pressure valve 333 passes through the connecting column 311. The water storage cylinder 332 is also provided with a water outlet 335, the upper end of which is inserted into a baffle 334. A movable block 336 is provided at the upper end of the baffle 334. A groove is provided inside the separating cylinder 12, the size of which is adapted to the movable block 336. A drain cylinder 33 is provided inside the pushing plate 253.

[0053] It should be noted that the movement of the water collection tank 31 drives the squeezing column 331 to move, and the disinfectant inside the drain cylinder 33 is added to the water storage cylinder 332 through the pressure valve 333. When the push plate 253 moves to the top, the push plate 253 drives the moving block 336 to move. The movement of the moving block 336 drives the baffle 334 to move, so that the outlet 335 opens. The disinfectant in the water storage cylinder 332 is added to the sewage for disinfection through the outlet 335. This avoids adding disinfectant during the separation process, which would make it difficult to add disinfectant according to the amount of sewage.

[0054] In an optional embodiment, the push plate 253 is provided with an extrusion groove 337, the size of which is adapted to the moving block 336, and a one-way valve is provided inside both the first piston cylinder 213 and the feeding port 11.

[0055] It should be noted that when the push disk 253 moves to the top, in order to avoid damage to the moving block 336 caused by the rotation of the scraper 23, after the extrusion groove 337 releases the extrusion from the moving block 336, the moving block 336 is inside the push disk 253 and does not extrude with the scraper 23, so that the scraper 23 can work normally to scrape away impurities. At the same time, the one-way valve in the feed port 11 and the first piston cylinder 213 is used to prevent gas leakage.

[0056] Working principle: When using this device, the solution to be separated is added into the device through the feed port 11. After addition, the motor 21 is started to drive the rotating column 22 to rotate. The rotation of the rotating column 22 drives the fixed column 231 to rotate, which in turn drives the separation cylinder 12 to rotate. The rotation of the separation cylinder 12 causes the solution inside the separation cylinder 12 to rotate. During rotation, the solution passes through the filter holes on the separation cylinder 12, and the water in the solution is discharged into the collection tank 31. At the same time, the rotation of the rotating column 22 drives the threaded piston sleeve 221 to reciprocate, discharging the gas inside the device through the first piston cylinder 213 into the gas delivery pipe 214. The gas enters the gas storage pan 25 and then enters the second piston cylinder 251. The gas enters the second piston cylinder 251 and compresses the push column 252, causing the push column 252 to rise. The rise of the push column 252 causes the push disk 253 to move. During long-term operation, gas is continuously introduced into the push column 252, thereby causing the push disk 253 to rise continuously. At the same time, the separation cylinder 12 rotates to remove water from the solution, leaving impurities on the push disk 253. When the push disk 253 rises to the top, the scraper 23 scrapes the impurities on the push disk 253 and collects them through the discharge port 351 into the collection chamber 13.

[0057] Simultaneously, during the upward movement of the push plate 253, all the water inside the separation cylinder 12 is filtered into the water collection tank 31. When the push plate 253 rises to the top, it contacts and squeezes the moving block 336 on one side, causing the moving block 336 to move and rise. At the same time, the rising of the moving block 336 causes the baffle 334 to rise, and the rising of the drain cylinder 33 opens the outlet 335. The disinfectant in the water storage cylinder 332 falls from the outlet 335 into the sewage inside the water collection tank 31 to disinfect the sewage and prevent the direct discharge of infectious liquids, which would pollute the environment. Before the baffle 334 opens, the water collection tank 31 squeezes the spring 321, causing the connecting column 311 to move. The downward movement of the connecting column 311 causes the squeezing column 331 to move downward. The downward movement of the squeezing column 331 discharges the disinfectant inside the drain cylinder 33 into the water storage cylinder 332 through the pressure valve 333.

[0058] Simultaneously, the continuous rotation of motor 21 drives the threaded piston sleeve 221 to discharge the gas inside the separation cylinder 12 into the first piston cylinder 213, preventing the discharge of virus-laden gas from the device from harming the operator. At the same time, the gas discharged into the first piston cylinder 213 is discharged into the second piston cylinder 251, causing the gas inside the observation column 211 to drive the moving plate 212 to move, so that the operator can observe whether the inside of the first piston cylinder 213 is sealed through the observation column 211.

[0059] After separation, the gas inside the air supply pipe 214 is discharged by opening the exhaust port 215, which facilitates the collection of polluted gas by the operator and avoids the direct emission of polluted gas that may affect the environment. The disinfectant tank 34 replenishes the disinfectant to the drain cylinder 33 through the water supply pipe 341. At the same time, when the scraper 23 rotates, it drives the impurities to rotate on the inner wall of the second connecting plate 35. When it moves to one end of the discharge port 351, it is collected through the discharge port 351. When the push plate 253 moves to the top, in order to avoid damage to the moving block 336 caused by the rotation of the scraper 23, the squeezing groove 337 releases the squeezing from the moving block 336. The moving block 336 is inside the push plate 253 and does not squeeze the scraper 23, so that the scraper 23 can work normally to scrape the impurities. At the same time, the one-way valve in the feed port 11 and the first piston cylinder 213 is used to prevent gas leakage.

[0060] Although embodiments of the 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 invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A medical biosafety and environmentally friendly separation device, comprising a separation device (1), characterized in that, The separation device (1) is provided with a feeding port (11), the separation device (1) is provided with a separation mechanism (2) inside, the separation device (1) is also provided with a disinfection mechanism (3) inside, and a separation cylinder (12) is provided at the lower end of the feeding port (11). The separation mechanism (2) includes a motor (21) fixedly installed inside the separation device (1). A rotating column (22) is installed at the output end of the motor (21). A scraper (23) connected to the separation cylinder (12) is installed on one side of the rotating column (22). A first piston cylinder (213) is installed on the rotating column (22). A threaded piston sleeve (221) reciprocates at the upper end of the rotating column (22) and moves inside the first piston cylinder (213). A gas storage plate (25) is connected to one side of the first piston cylinder (213), and a gas delivery pipe is installed on one side of the first piston cylinder (213). 214), an exhaust port (215) is provided on one side of the air supply pipe (214), one end of the air supply pipe (214) is connected to the air storage plate (25), the air storage plate (25) is connected to the second piston cylinder (251), the second piston cylinder (251) has a moving push column (252) inside, the upper end of the push column (252) is provided with a push disk (253) that moves inside the separation cylinder (12), the rotating column (22) is also provided with a fixed column (231), one side of the fixed column (231) is connected to the separation cylinder (12), and the scraper (23) passes through the fixed column (231). The disinfection mechanism (3) includes a water collection tank (31) located outside the separation cylinder (12). A connecting column (311) is connected inside the water collection tank (31). A spring (321) is installed at the bottom of the water collection tank (31). A water storage cylinder (332) is installed at the upper end of the water collection tank (31). A drain cylinder (33) is installed at the upper end of the water storage cylinder (332). A sliding baffle (334) is installed inside the water storage cylinder (332). A squeezing column (331) is installed inside the water collection tank (31). One end of the connecting column (311) is connected to the squeezing column (331), and one end of the squeezing column (331) extends outward. The contents are placed inside the water storage tank (332) and the drain tank (33). A disinfectant tank (34) is provided on one side of the drain tank (33), a discharge port (351) is provided on one side of the scraper (23), and a collection chamber (13) is provided on one side of the discharge port (351). A pressure valve (333) is provided inside the water storage tank (332). The pressure valve (333) is connected to the connecting column (311). An outlet (335) is also provided inside the water storage tank (332). The upper end of the outlet (335) is inserted into the baffle (334). A moving block (336) is provided on the upper end of the baffle (334).

2. The medical biosafety and environmentally friendly separation device according to claim 1, characterized in that, The first piston cylinder (213) is provided with an observation column (211), and the observation column (211) is provided with a movable piece (212). The observation column (211) is designed with transparent material.

3. The medical biosafety and environmentally friendly separation device according to claim 1, characterized in that, The upper end of the push column (252) is provided with a first connecting plate (254), and the first connecting plate (254) is provided with a track inside, the size of which is adapted to the push column (252).

4. The medical biosafety and environmentally friendly separation device according to claim 1, characterized in that, The bottom of the water collection tank (31) is provided with a protective sleeve (32), and a drain outlet (312) is provided on one side of the water collection tank (31). The size of the squeezing column (331) is adapted to the drain cylinder (33).

5. The medical biosafety and environmentally friendly separation device according to claim 1, characterized in that, A water supply pipe (341) is provided on one side of the drain cylinder (33). One end of the water supply pipe (341) is connected to the disinfectant tank (34). A second connecting plate (35) is provided at the lower end of the disinfectant tank (34). The interior of the second connecting plate (35) is connected to the discharge port (351).

6. The medical biosafety and environmentally friendly separation device according to claim 1, characterized in that, The separation cylinder (12) has a groove inside, the size of which is adapted to the moving block (336).

7. The medical biosafety and environmentally friendly separation device according to claim 1, characterized in that, The push plate (253) is provided with an extrusion groove (337), the size of which is adapted to the moving block (336), and the first piston cylinder (213) and the feeding port (11) are both provided with one-way valves.