Intelligent anti-cross contamination cleaning device

Abstract

The utility model discloses a kind of intelligent cross-contamination prevention cleaning devices, belong to the technical field of production cleaning equipment, including filling machine main body, filling machine system, water inlet unit and control system, the filling machine main body is equipped with tank body;The filling machine system is installed on the filling machine main body, for the filling of pesticide;The water inlet unit includes water inlet pipe, the water inlet pipe upper end is equipped with flowmeter, lower end is equipped with spray head, the water inlet pipe is connected with the tank body, the spray head is located in the tank body, for cleaning the tank body inner wall;The control system is located in the filling machine main body side, respectively with water inlet unit and filling machine system electric connection.The design of water inlet unit and whole system, can comprehensively, completely clean tank body and pipeline, effectively prevent cross-contamination between different pesticides, ensure pesticide quality.

Description

Technical Field

[0001] This utility model relates to the field of production cleaning equipment technology, and in particular to an intelligent cleaning device that prevents cross-contamination. Background Technology

[0002] In pesticide production, pesticide filling machines are used to bottle liquid pesticides for easy sale and use. However, due to the limited use of these machines, it is sometimes necessary to fill different types or functions of pesticides within the same machine. To prevent cross-contamination between different types or functions of pesticides, the filling machine must be cleaned before switching to produce another pesticide product after filling one. This cleans the machine to eliminate any contamination from the previous pesticide product's residue. The traditional cleaning method is manual cleaning. The operator holds a spray gun connected to a cleaning water source, climbs onto the filling machine's hopper, opens the hopper opening, and manually cleans the residue. When the hopper is half full, the filling machine is started for cleaning. The cleaning water is discharged directly into a waste collection tank through the filling head. This process is repeated 5-6 times to ensure the product's residue levels meet relevant national standards.

[0003] Due to the diverse formulations of pesticide products, especially suspension concentrates and seed coating agents, which are highly viscous and prone to solidification, they easily adhere to pipes, valves, and piston cylinder walls, making cleaning difficult. Manual cleaning requires two workers, taking over 30 minutes per session and repeating the process 5-6 times, consuming approximately 800 kg of cleaning water to meet national standards for residue levels. This method is time-consuming, labor-intensive, and generates a large amount of wastewater, placing significant pressure on subsequent wastewater treatment. Especially during peak pesticide production seasons, this cleaning method is inefficient, severely impacting product packaging efficiency and potentially leading to cross-contamination.

[0004] In addition, the manual cleaning process is uncontrollable and cannot be monitored in real time. The cleaning effect varies from person to person, which often results in unqualified products being repackaged, seriously affecting product quality and causing low cleaning efficiency. Utility Model Content

[0005] The main purpose of this invention is to provide an intelligent cleaning device that prevents cross-contamination, which solves the problems of low cleaning efficiency, large wastewater generation, and uncontrollable cleaning process.

[0006] To achieve the above objectives, this utility model proposes an intelligent cleaning device to prevent cross-contamination, comprising: The main body of the filling machine is equipped with a tank. A filling machine system, which is mounted on the main body of the filling machine, is used for filling pesticides; The water inlet unit includes a water inlet pipe, with a flow meter at the upper end and a nozzle at the lower end. The water inlet pipe is connected to the tank body, and the nozzle is located inside the tank body for cleaning the inner wall of the tank body. The control system is located on one side of the filling machine body and is electrically connected to the water inlet unit and the filling machine system.

[0007] Optionally, the filling machine system includes a piping unit, a liquid receiving tank, a piston cylinder, a filling head, a support, a circulating pump, and a cylinder; the piston cylinder, the circulating pump, the cylinder, and the motor are respectively electrically connected to the control system; The pipeline unit includes pipe I, pipe II, pipe III, pipe IV, and drain pipe; The upper end of pipe I is connected to the tank body, and the lower end is connected to the piston cylinder. Pipe I has an orifice in the middle, which is connected to one end of pipe II. The other end of pipe II is connected to the filling head. The filling head is fixed on the pipeline, and both ends of the pipeline are connected to the support. The support is connected to the cylinder, and the cylinder is connected to the motor. The motor can drive the support and the cylinder to move up and down, and the cylinder can drive the support to move back and forth.

[0008] Optionally, the liquid receiving tank is installed on the main body of the filling machine, and the liquid receiving tank includes a first liquid receiving tank or a second liquid receiving tank.

[0009] Optionally, a servo motor is installed at one end of the second liquid receiving tank, which can drive the second liquid receiving tank to rotate back and forth, thereby realizing the contact or disengagement of the liquid receiving pipe of the second liquid receiving tank with the filling head; the other end of the second liquid receiving tank is connected to one end of the pipe III; a one-way valve I is provided on the pipe III, one end of the one-way valve I is connected to one end of the circulating pump and one end of the drain pipe through a "T" joint; the other end of the drain pipe is connected to the bottom of the piston cylinder, and a drain hole is provided at the bottom of the piston cylinder.

[0010] Optionally, the drain pipe is equipped with a one-way valve II; the pipe IV is equipped with a T-shaped pipe, and the T-shaped pipe is equipped with a reversing valve; the T-shaped pipe is equipped with a first connector, a second connector and a third connector, the first connector is connected to the nozzle through the pipeline, and the second connector is connected to the circulating pump.

[0011] Optionally, multiple pipes I, piston cylinder, pipe II, and filling head are provided, and the number of all four is the same.

[0012] Optionally, the first liquid receiving tank is arc-shaped with a narrow orifice at the top, which facilitates the filling head to extend into the first liquid receiving tank to receive the cleaning liquid; the second liquid receiving tank is cylindrical with multiple liquid receiving tubes at the top, the number of which is equal to the number of filling heads.

[0013] Optionally, a waste liquid recovery tank is provided on one side of the main body of the filling machine; the waste liquid recovery tank is connected to the third joint of the "T"-shaped pipe of the pipeline IV through a pipeline.

[0014] Optionally, the nozzles are provided in multiple quantities; the number of water inlet pipes is equal to the number of nozzles.

[0015] Optionally, the circulating pump is one of an electric diaphragm pump, a pneumatic disc valve diaphragm pump, an electric disc valve diaphragm pump, or a sanitary diaphragm pump.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. This intelligent anti-cross-contamination cleaning device is specially designed for pesticide filling machines. It works closely with pesticide filling machines and is mounted on them. When the pesticide filling machine needs to switch pesticide types for filling, it can quickly, intelligently, and automatically clean the residue inside the filling machine without manual intervention, thus avoiding cross-contamination and preventing problems such as pesticide damage to crops.

[0017] 2. Using this device for cleaning allows for data collection and monitoring of the cleaning process, and can be repeated 1-2 times, generating less than 60kg of wastewater. In contrast, manual cleaning is uncontrollable, requires 5-6 repetitions, and generates more than 800kg of wastewater.

[0018] 3. The cleaning time for the entire pesticide filling equipment is less than 8 minutes, while traditional manual cleaning takes more than 30 minutes, thus improving cleaning efficiency.

[0019] 4. The flow meter is installed on the inlet pipe to accurately measure the amount of cleaning water entering the tank. At the same time, a 360-degree rotating high-pressure cleaning nozzle is used to spray and rinse the inner wall of the high-level material tank, which solves the problems of traditional manual cleaning with spray guns that cannot measure the amount of water, have arbitrary cleaning direction, resulting in incomplete cleaning, uncontrollable cleaning water, and excessive wastewater.

[0020] 5. The device of this utility model adopts a circulating cleaning method, which can quickly and fully utilize the cleaning water for cleaning. This circulating cleaning not only quickly removes residues from the filling machine, but also greatly reduces the amount of wastewater generated. Compared with the traditional single-cycle method, it saves a lot of water and has high cleaning efficiency. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0022] Figure 1 A schematic diagram of the first liquid receiving tank used in the intelligent anti-cross-contamination cleaning device of this utility model; Figure 2 A schematic diagram of the structure of the intelligent anti-cross-contamination cleaning device of this utility model, which uses a second liquid receiving tank; Figure 3 This is a schematic diagram of the second liquid receiving tank; Figure 4 This is a point connection diagram for the control system.

[0023] Explanation of icon numbers: The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0024] 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.

[0025] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0026] Furthermore, the use of terms such as "first" and "second" in this utility model is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0027] Please see Figures 1-4 This utility model proposes an intelligent cleaning device 100 to prevent cross-contamination.

[0028] In one embodiment of the present invention, the device includes a filling machine body 13, a filling machine system, a water inlet unit, and a control system 7. The filling machine body 13 is equipped with a tank 3, and the filling machine system is mounted on the filling machine body 13. The water inlet unit includes a water inlet pipe 2, which is equipped with a water inlet valve 26 and a flow meter 1, and a nozzle 25 at its lower end. The water inlet pipe 2 is connected to the tank 3, and the nozzle 25 is located inside the tank 3 to clean the inner wall of the tank 3. The control system 7 is located on one side of the filling machine body 13 and is electrically connected to both the water inlet unit and the filling machine system to achieve intelligent control of the entire device.

[0029] In this embodiment, it is understood that the filling machine body 13 integrates a large-capacity tank structure for the safe storage of pesticides to be filled. The filling operation system is modularly installed on the filling machine body 13 to achieve high-precision quantitative filling of pesticides. The water inlet unit adopts a split pipeline design. The upper water inlet pipe 2 integrates a high-precision electromagnetic flow meter 1 to automatically monitor the water inflow, thereby reducing wastewater generation; the lower part is equipped with a high-pressure rotary nozzle 25; the pipeline system is connected to the inside of the tank 3, and the nozzle 25 has a built-in universal rotation mechanism to achieve 360° cleaning of the inner wall without dead angles. The control system 7 is independently set on the side of the filling machine body 13, and achieves bidirectional communication with the water inlet unit and the filling system through multiple sets of data interfaces, and realizes full-process automated control based on preset program algorithms. It should be noted that the control system 7 includes an electrical control cabinet 27, which is electrically connected to each component. The electrical control cabinet 27 has a built-in PLC control system, which controls each component. This is existing technology and will not be described in detail here. The tank 3 is cylindrical, and the surface roughness of the inner wall of the tank 3 is less than 0.6, so as to minimize the adhesion of pesticides to the inner wall of the tank 3. In one embodiment of this utility model, the filling machine system includes a pipeline unit, a liquid receiving tank, a piston cylinder 5, a filling head 9, a support I 8, a circulating pump 16, and a cylinder 22. The piston cylinder 5, the circulating pump 16, the cylinder 22, and the motor 24 are electrically connected to the control system 7. The pipeline unit includes pipe I 4, pipe II 6, pipe III 14, pipe IV 21, and a drain pipe 20. The upper end of pipe I 4 is connected to the tank 3, and the lower end is connected to the piston cylinder 5. An orifice is provided in the middle of pipe I 4, which is connected to one end of pipe II 6. The other end of pipe II 6 is connected to the filling head 9. The filling head 9 is fixed on the pipeline, and both ends of the pipeline are connected to the bracket 8. The bracket 8 is connected to the cylinder 22, and the cylinder 22 is connected to the motor 24. The motor 24 can drive the bracket 8 and the cylinder 22 to move up and down, and the cylinder 22 can drive the bracket 8 to move back and forth, thereby flexibly adjusting the position of the filling head 9 to adapt to different filling needs. The liquid receiving tank is installed on the main body 13 of the filling machine and includes a first liquid receiving tank 10 or a second liquid receiving tank 12. A servo motor 11 is installed at one end of the second liquid receiving tank 12. The servo motor 11 can drive the second liquid receiving tank 12 to rotate back and forth, enabling the liquid receiving pipe of the second liquid receiving tank 12 to contact or disengage from the filling head 9, facilitating switching under different working conditions. The other end of the second liquid receiving tank 12 is connected to one end of the pipe III 14. The pipe III 14 is equipped with a one-way valve I 15. One end of the one-way valve I 15 is connected to one end of the circulating pump 16 and one end of the drain pipe 20 via a "T" connector. The other end of the drain pipe 20 is connected to the bottom of the piston cylinder 5, and the bottom of the piston cylinder 5 is provided with a drain hole 23.

[0030] In this embodiment, it is understood that the liquid receiving tank is integrated into the main body 13 of the filling machine, and includes two working modes: the first liquid receiving tank 10 and the second liquid receiving tank 12. The second liquid receiving tank 12 is driven by the servo motor 11 to achieve flexible rotation, allowing precise control of the connection or separation of the liquid receiving pipe from the filling head 9, meeting diverse working conditions. The other end of the liquid receiving tank is connected to the subsequent system via the pipe III 14, which has a built-in one-way valve I 15 to prevent liquid backflow. The one-way valve I 15 is connected to the circulating pump 16 and the drain pipe 20 via a "T" connector. The drain pipe 20 reaches the bottom of the piston cylinder 5, and, in conjunction with the bottom drain hole 23, achieves directional discharge of waste liquid, forming a complete liquid recovery path. In one embodiment of this utility model, a one-way valve II 18 is provided on the drain pipe 20; a T-shaped pipe is provided on the pipe IV 21, and a reversing valve is provided on the T-shaped pipe. The T-shaped pipe has a first connector, a second connector, and a third connector. The first connector is connected to the nozzle 25 through a pipeline, and the second connector is connected to the circulating pump 16. A waste liquid recovery tank 17 is provided on one side of the filling machine body 13. The waste liquid recovery tank 17 is connected to the third connector of the T-shaped pipe IV 21 through a pipeline, and is used to collect waste liquid generated during the cleaning process to avoid environmental pollution.

[0031] In this embodiment, the pipe I4, the pipe II6, the pipe III14, the pipe IV21 and the drain pipe 20 are all pipes with smooth inner walls and an inner wall surface roughness of less than 0.6.

[0032] Understandably, the drain pipe 20 is equipped with the one-way valve II 18 to effectively prevent liquid backflow; the pipe IV 21 is fitted with a "T"-shaped diverter pipe and a reversing valve to achieve flexible fluid guidance. This "T"-shaped pipe has three interfaces: the first connector connects to the nozzle 25 via a dedicated pipeline to ensure precise delivery of the cleaning fluid; the second connector connects to the circulating pump 16 to maintain liquid circulation power; and the third connector connects to the waste liquid recovery tank on the side of the filling machine body 13 via a pipeline. Waste liquid generated during cleaning flows directionally into the waste liquid recovery tank 17 through this channel, preventing leakage and pollution, and ensuring a clean and safe working environment. In one embodiment of this utility model, multiple pipes I4, piston cylinder 5, pipe II6, and filling head 9 are provided, and the number of all four is the same, which can improve filling efficiency. Multiple nozzles 25 are provided, and the number of water inlet pipes 2 is equal to the number of nozzles 25. The circulation pump 16 is one of an electric diaphragm pump, a pneumatic valve diaphragm pump, an electric valve diaphragm pump, or a sanitary diaphragm pump.

[0033] In this embodiment, to improve filling efficiency, the pipe I 4, the piston cylinder 5, the pipe II 6, and the filling head 9 all adopt a multi-array design, and the number of all four is consistent. The nozzles 25 adopt a matrix layout, and the number of water inlet pipes 2 corresponds one-to-one with the number of nozzles, which can achieve 360° cleaning of the inner wall of the tank 3 without dead angles. The circulating pump 16 provides a variety of selection options, covering electric diaphragm pumps, pneumatic valve diaphragm pumps, electric valve diaphragm pumps, and sanitary diaphragm pumps, which users can flexibly select according to actual working conditions.

[0034] This utility model's intelligent anti-cross-contamination cleaning device has a control system installed in the filling machine's operating screen. When the filling machine finishes dispensing a pesticide variety and cleaning is required, the worker only needs to click the "one-click cleaning" button on the filling machine's operating screen, and the cleaning device will start working. The entire cycle cleaning can be executed automatically. Different parameters are set during cleaning according to different pesticide varieties. The main cleaning parameters are cleaning time, number of cycle cleaning times, amount of clean water used, etc. These parameters can be monitored and recorded throughout the entire process.

[0035] When the filling machine for pesticide product A has finished its filling operation and needs to be cleaned, the cleaning process is as follows: 1. Draining pesticide A residue: Place piston cylinder 5 in the disengaged state, open check valve II 18, close check valve I 15, and then open reversing valve 19. The circulation pump 16 starts working. Pesticide A residue in tank 3 flows through pipe I 4 into piston cylinder 5, then through piston cylinder 5 to drain pipe 20, then through drain pipe 20 to circulation pump 16, and then, under the action of circulation pump 16, through reversing valve 19 to the third joint of the "T" shaped pipe on pipe IV 21, finally flowing into waste liquid recovery tank 17.

[0036] 2. Before cleaning: First, set the circulating cleaning parameters on the filling machine operation screen, such as cleaning time, number of cycles, and cleaning water volume. For example, for pesticide product A: cleaning time 5 minutes, number of cycles: 1, cleaning water volume 50kg, etc.

[0037] 3. Start the cleaning process: When the "One-Click Cleaning" button on the filling machine's operating screen is manually pressed, the control system on the screen provides power to the piston cylinder 5, the circulating pump 16, and the cylinder 22; the piston cylinder 5, the circulating pump 16, and the cylinder 22 begin to operate. Then, the water inlet valve 26 is connected to the water inlet pipe 2, and the water inlet valve 26 is opened. Cleaning water enters the nozzle 25 from the water inlet pipe 2. At this time, the flow meter 1 begins to measure the amount of cleaning water. The cleaning water is sprayed out through the nozzle 25, which sprays water 360° to thoroughly clean the inner wall of the tank 3. When the amount of water sprayed reaches the preset cleaning volume, the water inlet valve 26 automatically closes, and the nozzle 25 stops spraying. When the piston cylinder 5 starts working, the cleaning water that flows into the tank 3 after spraying flows through the pipe I4 into the pipe II6, and then from the pipe II6 to the filling head 9. Then, depending on the different receiving tanks, the cleaning method is different: When the liquid receiving tank is the first liquid receiving tank 10 (e.g.) Figure 1The cleaning process is as follows: The motor 24 operates, driving the support 8 and the cylinder 22 upward to their highest position via chain drive. Then, under the action of the cylinder 22, the support 8 moves forward, driving the filling head 9 forward, thus allowing the filling head 9 to extend into the first liquid receiving tank 10, and the cleaning water flows from the filling head 9 into the first liquid receiving tank 10. At this time, the one-way valve II 18 is closed, the one-way valve I 15 is opened, and the reversing valve 19 is opened. The cleaning water in the first liquid receiving tank 10 flows through the pipe III 14, then through the one-way valve I 15 into the circulation pump 16, and then from the circulation pump 16 through the pipeline to the second joint of the "T"-shaped pipe of the pipe IV 21, through the reversing valve 19 into the first joint of the "T"-shaped pipe of the pipe IV 21, and finally from the pipe IV 21 to the nozzle 25, which sprays cleaning water again to clean the tank 3.

[0038] When the liquid receiving tank is the second liquid receiving tank 12 (e.g.) Figure 2 The cleaning process is as follows: the motor 24 operates, moving upwards via chain drive and driving the bracket 8 and the cylinder 22 to move upwards to the highest position. Then, under the action of the cylinder 22, the bracket 8 moves forward, and the bracket 8 drives the filling head 9 to extend forward. At the same time, under the action of the servo motor 11, the second liquid receiving tank 12 flips upwards to the limit position, and the filling head 9 just extends into the second liquid receiving tank 12. The cleaning water also flows from the filling head 9 into the second liquid receiving tank 12. At this time, the one-way valve II 18 is closed, the one-way valve I 15 is opened, and the reversing valve 19 is opened. The cleaning water in the second liquid receiving tank 12 flows through the pipe III 14, then through the one-way valve I 15 into the circulation pump 16, and then from the circulation pump 16 through the pipeline to the second joint of the "T" shaped pipe of the pipe IV (21), and through the reversing valve 19 into the first joint of the "T" shaped pipe of the pipe IV 21. Finally, it flows from the pipe IV 21 to the nozzle 25, and the nozzle 25 sprays out cleaning water again to clean the tank 3.

[0039] 4. After the tank 3 is cleaned, the piston cylinder 5 operates, and the cleaning water flows from the tank 3 through the pipe I 4, through the piston cylinder 5, to the pipe II 6, and then from the pipe II 6 to the filling head 9. The filling head 9 passes through the first liquid receiving tank 10, and then, under the action of the circulating pump 16, passes through the pipe III 14, then through the one-way valve I 15, through the second joint of the "T"-shaped pipe of the pipe IV 21, and flows to the reversing valve 19. After passing through the reversing valve 19, it enters the third joint of the "T"-shaped pipe of the pipe IV 21, and finally flows to the waste liquid recovery tank 17.

[0040] After the above steps 1-4, the intelligent anti-cross-contamination cleaning device of this utility model completes an intelligent and automated cycle cleaning operation. This application achieves automated control of the filling and cleaning process by setting up an intelligent control system, which improves work efficiency and reduces the intensity of manual operation. The design of the water inlet unit and circulation system can carry out comprehensive and thorough cleaning of the tank and pipeline, effectively preventing cross-contamination between different pesticides and ensuring pesticide quality. The liquid receiving tank can collect liquids that may drip during the filling and cleaning process, avoiding waste and environmental pollution.

[0041] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A smart cleaning device to prevent cross-contamination, characterized in that, include: The main body of the filling machine is equipped with a tank. A filling machine system, which is mounted on the main body of the filling machine, is used for filling pesticides; The water inlet unit includes a water inlet pipe, with a flow meter at the upper end and a nozzle at the lower end. The water inlet pipe is connected to the tank body, and the nozzle is located inside the tank body for cleaning the inner wall of the tank body. The control system is located on one side of the filling machine body and is electrically connected to the water inlet unit and the filling machine system.

2. The intelligent anti-cross-contamination cleaning device as described in claim 1, characterized in that: The filling machine system includes a pipeline unit, a liquid receiving tank, a piston cylinder, a filling head, a support, a circulating pump, and a cylinder; the piston cylinder, the circulating pump, the cylinder, and the motor are electrically connected to the control system. The pipeline unit includes pipe I, pipe II, pipe III, pipe IV, and drain pipe; The upper end of pipe I is connected to the tank body, and the lower end is connected to the piston cylinder. Pipe I has an orifice in the middle, which is connected to one end of pipe II. The other end of pipe II is connected to the filling head. The filling head is fixed on the pipeline, and both ends of the pipeline are connected to the support. The support is connected to the cylinder, and the cylinder is connected to the motor. The motor can drive the support and the cylinder to move up and down, and the cylinder can drive the support to move back and forth.

3. The intelligent anti-cross-contamination cleaning device as described in claim 2, characterized in that: The liquid receiving tank is installed on the main body of the filling machine, and the liquid receiving tank includes a first liquid receiving tank or a second liquid receiving tank.

4. The intelligent anti-cross-contamination cleaning device as described in claim 3, characterized in that: One end of the second liquid receiving tank is equipped with a servo motor, which can drive the second liquid receiving tank to rotate back and forth, thereby realizing the contact or disengagement of the liquid receiving pipe of the second liquid receiving tank with the filling head; the other end of the second liquid receiving tank is connected to one end of the pipe III; the pipe III is equipped with a one-way valve I, one end of the one-way valve I is connected to one end of the circulating pump and one end of the drain pipe through a "T" joint; the other end of the drain pipe is connected to the bottom of the piston cylinder, and the bottom of the piston cylinder is provided with a drain hole.

5. The intelligent anti-cross-contamination cleaning device as described in claim 2, characterized in that: The drain pipe is equipped with a one-way valve II; the pipe IV is equipped with a "T"-shaped pipe, and the "T"-shaped pipe is equipped with a reversing valve; the "T"-shaped pipe is equipped with a first connector, a second connector and a third connector, the first connector is connected to the nozzle through the pipeline, and the second connector is connected to the circulating pump.

6. The intelligent anti-cross-contamination cleaning device as described in claim 2, characterized in that: Multiple pipes I, piston cylinder, pipe II, and filling head are provided, and the number of each is the same.

7. The intelligent anti-cross-contamination cleaning device as described in claim 3, characterized in that: The first liquid receiving tank is arc-shaped with a long, narrow opening at the top, which allows the filling head to extend into the first liquid receiving tank to receive the cleaning liquid; the second liquid receiving tank is cylindrical with multiple liquid receiving tubes at the top, the number of which is equal to the number of filling heads.

8. The intelligent anti-cross-contamination cleaning device as described in claim 2, characterized in that: A waste liquid recovery tank is provided on one side of the main body of the filling machine; the waste liquid recovery tank is connected to the third joint of the "T"-shaped pipe of the pipeline IV through a pipeline.

9. The intelligent anti-cross-contamination cleaning device as described in claim 1, characterized in that: The nozzles are provided in multiple quantities; the number of water inlet pipes is equal to the number of nozzles.

10. The intelligent anti-cross-contamination cleaning device as described in claim 1, characterized in that: The circulating pump is one of the following: an electric diaphragm pump, a pneumatic disc valve diaphragm pump, an electric disc valve diaphragm pump, or a sanitary diaphragm pump.

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