Air-water pulse cleaning parameter intelligent regulation system based on dirt detection

Abstract

The application provides a kind of air-water pulse cleaning parameter intelligent regulation and control system based on dirt detection, and relates to the technical field of high-pressure cleaning, which comprises a main circuit pipeline;Adjustable air-water pulse device, air and cleaning liquid are filled into the object to be cleaned through the main circuit pipeline;Loop pipeline;The main circuit pipeline, the object to be cleaned, the loop pipeline and the adjustable air-water pulse device form a circulation loop together;Dirt detection device, including a nanometer power generation net plate installed in the loop pipeline, a sensor and a flowmeter for monitoring the liquid flow rate in the loop pipeline, the scale washed down in the object to be cleaned and the induced charge generated by the friction between the nanometer power generation net plate are collected and identified by the sensor;Regulation and control device, including a calculation and analysis module for calculating and analyzing the amount of scale flowing through the nanometer power generation net plate and a regulation and control module for regulating the pulse intensity of the adjustable air-water pulse device.The application can efficiently complete the cleaning and drying treatment of the pipeline.

Description

Technical Field

[0001] This application relates to the field of high-pressure cleaning technology, and in particular to an intelligent control system for air-water pulse cleaning parameters based on dirt detection. Background Technology

[0002] The working principle of air-water pulse cleaning technology is to mix compressed air with water flow in the pipe at different frequencies by controlling the frequency of the switching valve. This intensifies the turbulence of the fluid inside the pipe, thereby increasing the shear force on the pipe wall. Simultaneously, the bursting of numerous air bubbles within the pipe generates strong oscillations in the fluid, enhancing the descaling effect. Research has shown that this technology can effectively clean scale from the inner walls of pipes, heat exchangers, and other equipment.

[0003] However, the air intake frequency, air intake pressure, water flow rate, and rinsing cycle of air-water pulse cleaning are all determined subjectively based on experience. Furthermore, the lack of real-time feedback on cleaning effectiveness easily leads to over-cleaning or under-cleaning, reducing cleaning efficiency. Currently, the commonly used method for evaluating cleaning effectiveness is to weigh the dirt collected on the filter to determine the cleaning quality. However, this method has a certain lag, cannot assess cleaning effectiveness in real time, and therefore cannot quickly adjust cleaning parameters accordingly. Summary of the Invention

[0004] To address the issue of the inability to assess cleaning effectiveness in real time and adjust cleaning parameters quickly when using air-water pulse cleaning, this application provides an intelligent control system for air-water pulse cleaning parameters based on dirt detection.

[0005] The intelligent control system for air-water pulse cleaning parameters based on dirt detection provided in this application adopts the following technical solution:

[0006] A smart control system for air-water pulse cleaning parameters based on dirt detection, including

[0007] The main pipeline has one end connected to the object to be cleaned.

[0008] The adjustable air-water pulse device is connected to the other end of the main pipeline, and can inject air and cleaning fluid into the object to be cleaned through the main pipeline.

[0009] The loop pipe is connected at one end to the object to be cleaned and at the other end to the adjustable air-water pulse device, so that the main pipe, the object to be cleaned, the loop pipe and the adjustable air-water pulse device together form a circulation loop.

[0010] The dirty detection device is installed on the circuit pipeline, and the dirty detection device comprises a nanometer power generation net plate installed in the circuit pipeline, a sensor electrically connected with the nanometer power generation net plate, and a flow rate meter for monitoring the flow rate of liquid in the circuit pipeline, the nanometer power generation net plate comprises a metal electric core fixedly installed in the circuit pipeline and an insulating nanometer material film wrapped outside the metal electric core, the insulating nanometer material film is different in polarity from the metal electric core, both ends of the metal electric core are electrically connected with the sensor, the flow rate meter is located on the side of the nanometer power generation net plate close to the object to be cleaned, and the induced electric charge generated by the friction between the scale washed down from the object to be cleaned and the nanometer power generation net plate is collected and identified by the sensor; and

[0011] The regulating device is electrically connected with the dirty detection device and the adjustable air-water pulse device, the regulating device comprises a calculation and analysis module for calculating and analyzing the scale amount flowing through the nanometer power generation net plate and a regulating module for regulating the pulse intensity of the adjustable air-water pulse device, and the calculation and analysis module is electrically connected with the regulating module.

[0012] Furthermore, the nanometer power generation net plate further comprises an insulating frame fixedly installed in the circuit pipeline, and the metal electric core is wound and fixed on the insulating frame to form a net plate structure.

[0013] Furthermore, the metal electric core is made of copper material, and the insulating nanometer material film is made of polytetrafluoroethylene.

[0014] Furthermore, the adjustable air-water pulse device comprises a liquid inlet mechanism, an air inlet mechanism and a mixer, the liquid inlet mechanism comprises a water tank, a centrifugal pump for pumping cleaning liquid in the water tank into the mixer, and a first stop valve installed between the centrifugal pump and the mixer, the air inlet mechanism comprises a gas tank for filling gas into the mixer and a second stop valve installed between the gas tank and the mixer, a pressure reducing valve is further arranged between the second stop valve and the gas tank, the first stop valve, the second stop valve, the centrifugal pump and the pressure reducing valve are electrically connected with the regulating module, the mixer is communicated with the object to be cleaned through a main pipeline, and one end of the circuit pipeline away from the object to be cleaned is communicated with the water tank.

[0015] Furthermore, a filtering device is arranged on the circuit pipeline, and the filtering device is located between the dirty detection device and the water tank.

[0016] Furthermore, one end of the main pipeline away from the mixer is communicated with a lower port of the object to be cleaned, and one end of the circuit pipeline away from the water tank is communicated with an upper port of the object to be cleaned.

[0017] Further, the mixer is provided with a reversing valve between the mixer and the object to be cleaned, the control module is electrically connected with the reversing valve, the main pipeline comprises a first branch pipe and a second branch pipe, the loop pipeline comprises a third branch pipe and a fourth branch pipe, the first branch pipe, the second branch pipe, the third branch pipe and the fourth branch pipe are respectively connected with four ports of the reversing valve, one end of the first branch pipe away from the reversing valve is communicated with the mixer, one end of the second branch pipe away from the reversing valve is communicated with a lower port of the object to be cleaned, one end of the third branch pipe away from the reversing valve is communicated with an upper port of the object to be cleaned, and one end of the fourth branch pipe away from the reversing valve is communicated with the water tank, and the dirt detection device and the filtering device are arranged on the fourth branch pipe.

[0018] When the air-water pulse cleaning of the object to be cleaned is needed, the control module drives the reversing valve to work, so that the reversing valve communicates the first branch pipe and the second branch pipe and communicates the third branch pipe and the fourth branch pipe.

[0019] When the cleaning of the object to be cleaned is completed, the control module drives the first stop valve to close and drives the second stop valve and the reversing valve to work, so that the reversing valve communicates the first branch pipe and the third branch pipe and communicates the second branch pipe and the fourth branch pipe.

[0020] Further, the calculation and analysis module comprises a parameter calculation module and a PLC control module, the flowmeter, the sensor and the PLC control module are electrically connected with the parameter calculation module, the PLC control module is electrically connected with the control module, the parameter calculation module can calculate and analyze the data collected by the sensor, judge the instantaneous cleaning effect of the object to be cleaned, and control the control module through the PLC control module according to the cleaning effect, and the control module controls the first stop valve, the second stop valve and the reversing valve.

[0021] Further, the control system further comprises a first liquid level display device for displaying the liquid level in the water tank.

[0022] Further, the control system further comprises a second liquid level display device for displaying the liquid level in the object to be cleaned.

[0023] In summary, the present application has at least one of the following beneficial technical effects:

[0024] 1. The present application adds a dirt detection device on the loop pipeline, uses the friction nanometer power generation principle to monitor the scale content in the air-water in the loop pipeline in real time, the control module adjusts the pulse intensity of the adjustable air-water pulse device according to the instantaneous cleaning effect of the object to be cleaned, and the cleaning effect of the object to be cleaned is ensured, and the cleaning efficiency of the object to be cleaned is improved;

[0025] 2. The system in the application can not only perform efficient pulse cleaning on the pipeline of the object to be cleaned, but also can empty the accumulated liquid in the pipeline of the object to be cleaned, and realize automatic operation of the whole process of cleaning and drying the pipeline of the object to be cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0027] Figure 1 is a schematic diagram of the overall structure of the embodiment of the application.

[0028] Figure 2 is a schematic diagram of the structure of the dirt detection device in the embodiment of the application.

[0029] The drawings are as follows: 1, water tank; 2, centrifugal pump; 3, first stop valve; 4, gas tank; 5, second stop valve; 6, mixer; 7, first branch pipe; 8, second branch pipe; 9, third branch pipe; 10, fourth branch pipe; 11, reversing valve; 12, object to be cleaned; 13, dirt detection device; 131, insulating frame; 132, metal core; 133, sensor; 14, filtering device; 15, first liquid level display device; 16, second liquid level display device; 17, pressure reducing valve. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the application more clear, the technical solutions in the application will be described clearly and completely below in combination with the drawings in the application. Obviously, the described embodiments are some embodiments of the application, not all embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the application.

[0031] The embodiment of the application discloses a gas-water pulse cleaning parameter intelligent control system based on dirt detection. Referring to Figure 1The intelligent control system for air-water pulse cleaning parameters based on dirt detection includes an adjustable air-water pulse device, a device to be cleaned 12, a main pipeline, a loop pipeline, a dirt detection device 13, and a control device. The device to be cleaned 12 can be a complex pipeline or a plate heat exchanger. In this embodiment, the device to be cleaned 12 is a plate heat exchanger. Plate heat exchangers use their own pipes to allow water to flow, thereby achieving heat exchange. Over time, scale will form inside the pipes of a plate heat exchanger, necessitating air-water pulse cleaning of the internal pipes. The main pipeline and the loop pipeline connect the two ports of the internal pipes of the plate heat exchanger to the adjustable air-water pulse device, forming a circulation loop with the main pipeline, the plate heat exchanger pipes, the loop pipeline, and the adjustable air-water pulse device. The adjustable air-water pulse device injects air and cleaning fluid into the pipes of the plate heat exchanger through the main pipeline, thereby flushing and cleaning the scale on the inner wall of the pipes. The scale flushed off is discharged from the plate heat exchanger along with the cleaning fluid through the loop pipeline, and the cleaning fluid is recycled back to the adjustable air-water pulse device.

[0032] In order to judge the cleaning effect of the pipe 12 to be cleaned in real time, refer to Figure 1 and Figure 2 The dirt detection device 13 is installed on the loop pipe. The dirt detection device 13 includes a nano-power grid plate installed inside the loop pipe, a sensor 133 electrically connected to the nano-power grid plate, and a flow meter for monitoring the liquid flow rate inside the loop pipe. The nano-power grid plate includes a metal battery cell 132 fixedly installed inside the loop pipe and an insulating nanomaterial film surrounding the metal battery cell 132. The insulating nanomaterial film has a different polarity than the metal battery cell 132. The flow meter is located on the side of the nano-power grid plate closer to the object to be cleaned 12. When the scale washed off enters the loop pipe with the cleaning fluid, the scale flows through the nano-power grid plate and rubs against it, causing the nano-power grid plate to generate induced charges. Both ends of the metal battery cell 132 are electrically connected to the sensor 133. The induced charges generated by the friction between the scale and the nano-power grid plate are collected and identified by the sensor 133.

[0033] To monitor the cleaning status of pipe 12 in real time and improve the cleaning efficiency, refer to Figure 1 and Figure 2 The control device includes a calculation and analysis module for calculating and analyzing the amount of scale flowing through the nano-power generation grid and a control module for controlling the pulse intensity of the adjustable air-water pulse device. The control module is electrically connected to the calculation and analysis module, which includes a parameter calculation module and a PLC control module. The flow meter, sensor 133, and PLC control module are all electrically connected to the parameter calculation module, and the PLC control module is electrically connected to the control module. Based on the triboelectric nano-power generation formula Ι=σ... ι ν (where Ι represents the induced current; σ represents the charge density of the friction surface, which is constant; ι represents the width of the friction surface perpendicular to the direction of motion; ν represents the relative velocity of the two friction surfaces), where Ι can be monitored and displayed by sensor 133, and ν can be monitored by a flow meter; the parameter calculation module can calculate and analyze the data collected by sensor 133 and flow meter, calculate the value of ι, and determine the amount of scale flowing through the nano-power grid plate and the cleaning status of the pipe to be cleaned 12. When the value of ι continuously increases, it indicates that the current air-water pulse intensity has not yet reached the threshold. At this time, the PLC control module increases the pulse intensity of the adjustable air-water pulse device on the pipe to be cleaned 12 through the adjustment module, thereby accelerating the removal of scale from the inner wall of the pipe to be cleaned 12 until the value of ι no longer increases. At this time, the scale on the inner wall of the pipe to be cleaned 12 can be removed efficiently and quickly. When the value of ι gradually decreases, the PLC control module can gradually reduce the pulse intensity of the adjustable air-water pulse device on the pipe through the adjustment module to reduce the wear and tear on the equipment until the cleaning of the pipe to be cleaned 12 is completed.

[0034] Considering that the stability of the nano-power grid plate installation will also affect the calculation and analysis module's judgment of the current scale flow when the adjustable air-water pulse device performs pulse cleaning on the pipe to be cleaned (12), therefore, referring to... Figure 1 and Figure 2 The nano-power generation grid also includes an insulating frame 131 fixedly installed inside the loop pipe. The insulating frame 131 is stably installed on the inner wall of the loop pipe with screws, and the outer wall of the insulating frame 131 is tightly fitted to the inner wall of the loop pipe, so that the scale washed down can only pass through the inside of the insulating frame 131. The metal battery cell 132 is wound around and fixed on the insulating frame 131 to form a grid structure. At this time, the nano-power generation grid can still be stably stored in the loop pipe under the impact of air and water, ensuring that the computing and analysis module can accurately calculate and analyze the scale flowing through the nano-power generation grid. To improve the sensitivity of monitoring the amount of scale flowing through the nano-power generation grid, the metal battery cell 132 is made of copper, and the insulating nanomaterial film is made of polytetrafluoroethylene, so that when scale passes through the nano-power generation grid, the sensor 133 can quickly collect and identify the induced charge generated by the nano-power generation grid.

[0035] To achieve precise control of the pulse intensity of the adjustable gas-water pulse device by the control module, refer to Figure 1The adjustable air-water pulse device includes a liquid inlet mechanism, an air inlet mechanism, and a mixer 6. The liquid inlet mechanism includes a water tank 1, a centrifugal pump 2 for pumping the cleaning liquid in the water tank 1 into the mixer 6, and a first shut-off valve 3 installed between the centrifugal pump 2 and the mixer 6 for controlling the flow rate and on / off of the cleaning liquid. The air inlet mechanism includes a gas tank 4 for filling the mixer 6 with gas and a second shut-off valve 5 for controlling the flow rate and on / off of the gas flowing into the mixer 6. Since the gas tank 4 stores compressed gas, an electromagnetic pressure reducing valve 17 is installed between the gas tank 4 and the second shut-off valve 5 to ensure that the gas in the gas tank 4 does not damage the second shut-off valve 5 when it reaches the second shut-off valve 5. The first shut-off valve 3, the second shut-off valve 5, and the centrifugal pump 2 are all electrically connected to the control module. The control module regulates the flow rate and pressure of the cleaning fluid from the water tank 1 into the mixer 6 by controlling the first shut-off valve 3 and the centrifugal pump 2 respectively. The control module regulates the flow rate and pressure of the gas from the gas tank 4 into the mixer 6 by controlling the second shut-off valve 5 and the pressure reducing valve 17 respectively. This causes the gas to induce self-excited oscillation of the cleaning fluid in the mixer 6, forming a strong pulse jet. The mixer 6 is connected to the pipeline of the object to be cleaned 12 through the main pipeline, allowing the gas and water in the mixer 6 to enter the pipeline of the object to be cleaned 12 through the main pipeline for pulse cleaning. The cleaned gas and water then fill the loop pipeline with scale, which is detected by the dirt detection device 13 in the loop pipeline.

[0036] Since the end of the loop pipe furthest from the object to be cleaned 12 is connected to the water tank 1, to prevent scale and other impurities flushed down from entering the water tank 1 and clogging it, therefore, refer to... Figure 1 A filter device 14 is also installed on the loop pipeline, located between the dirt detection device 13 and the water tank 1. The filter device 14 is specifically a pipeline filter, which can filter out large particles such as scale mixed in the air and water, ensuring that the air and water returning to the water tank 1 does not contain large particles of impurities.

[0037] After cleaning the pipe 12 (the item to be cleaned) is completed, the accumulated liquid in the pipe 12 needs to be drained in a timely manner. Considering the convenience of implementation, the following steps are taken: Figure 1A reversing valve 11 is installed between the mixer 6 and the pipeline of the object to be cleaned 12, and the control module is electrically connected to the reversing valve 11. The main pipeline includes a first branch pipe 7 and a second branch pipe 8, and the loop pipeline includes a third branch pipe 9 and a fourth branch pipe 10. The first branch pipe 7, the second branch pipe 8, the third branch pipe 9, and the fourth branch pipe 10 are respectively connected to the four ports of the reversing valve 11. The end of the first branch pipe 7 away from the reversing valve 11 is connected to the mixer 6, the end of the second branch pipe 8 away from the reversing valve 11 is connected to the lower port of the pipeline of the object to be cleaned 12, the end of the third branch pipe 9 away from the reversing valve 11 is connected to the upper port of the pipeline of the object to be cleaned 12, and the end of the fourth branch pipe 10 away from the reversing valve 11 is connected to the water tank 1. The dirt detection device 13 and the filter device 14 are both installed on the fourth branch pipe 10.

[0038] When air-water pulse cleaning of the object to be cleaned 12 is required, the control module drives the reversing valve 11 to work, so that the reversing valve 11 connects the first branch pipe 7 and the second branch pipe 8, and connects the third branch pipe 9 and the fourth branch pipe 10. At this time, the air and water in the mixer 6 enter from the lower port of the pipe of the object to be cleaned 12 through the first branch pipe 7 and the second branch pipe 8, and perform a thorough pulse cleaning of the inside of the pipe of the object to be cleaned 12 from bottom to top, ensuring the cleaning effect of the pipe of the object to be cleaned 12. The scale and air and water after cleaning are discharged from the upper port of the pipe of the object to be cleaned 12 and guided to the fourth branch pipe 10 through the third branch pipe 9. After being detected by the dirt detection device 13 and filtered by the filter device 14, the air and water are returned to the water tank 1, thereby completing the circulation cleaning of the pipe of the object to be cleaned 12. After the cleaning of the object to be cleaned 12 is completed, the control module drives the first shut-off valve 3 to close and drives the second shut-off valve 5 and the reversing valve 11 to work, so that the reversing valve 11 connects the first branch pipe 7 and the third branch pipe 9, and connects the second branch pipe 8 and the fourth branch pipe 10. At this time, the cleaning liquid in the water tank 1 is blocked, while the gas in the gas tank 4 flows through the mixer 6, the first branch pipe 7, and the third branch pipe 9 in sequence, and enters from the upper port of the pipe of the object to be cleaned 12, so that the accumulated liquid in the pipe of the object to be cleaned 12 is pumped into the second branch pipe 8 connected to the lower port of the pipe of the object to be cleaned 12, and the accumulated liquid also flows back to the water tank 1 through the second branch pipe 8 and the fourth branch pipe 10. To enable a more intuitive view of whether the accumulated liquid in the pipe of the object to be cleaned 12 has been drained, the control system also includes a second liquid level display device 16 for displaying the liquid level in the pipe of the object to be cleaned 12. The second liquid level display device 16 is specifically a liquid level gauge installed on the second branch pipe 8 and a display externally connected to the second branch pipe 8 for displaying the liquid level in the pipe of the object to be cleaned 12. The liquid level gauge is located at the connection between the second branch pipe 8 and the lower port of the pipe of the object to be cleaned 12. The liquid level gauge can detect in real time whether there is still any liquid residue in the pipe of the object to be cleaned 12. The operator can also control the system through the display to drain the accumulated liquid in the pipe of the object to be cleaned 12.

[0039] To ensure that there is sufficient cleaning solution in water tank 1 for cleaning pipe 12 during use, refer to... Figure 1 The control system also includes a first liquid level display device 15 for displaying the liquid level in the water tank 1. Specifically, the first liquid level display device 15 includes a liquid level gauge installed inside the water tank 1 and a display screen connected externally to the water tank 1 for displaying the liquid level inside the water tank 1. The operator can monitor the cleaning fluid content in the water tank 1 in real time using the display screen, preventing insufficient cleaning fluid in the water tank 1 from affecting the cleaning effect on the pipes to be cleaned (12), while also ensuring the normal operation of the system.

[0040] The implementation principle of the intelligent control system for air-water pulse cleaning parameters based on dirt detection in this application embodiment is as follows: when cleaning the pipe to be cleaned 12, the main pipeline, the pipe to be cleaned 12, the loop pipeline and the adjustable air-water pulse device are connected to form a circulation loop.

[0041] Then, the control module is activated, which drives the reversing valve 11 and the adjustable air-water pulse device to work. This causes the reversing valve 11 to connect the first branch pipe 7 and the second branch pipe 8, and the third branch pipe 9 and the fourth branch pipe 10. At the same time, the centrifugal pump 2 pumps the cleaning fluid in the water tank 1 into the mixer 6. The compressed gas in the gas tank 4 is also injected into the mixer 6 after being depressurized by the pressure reducing valve 17. The gas induces the cleaning fluid to undergo self-excited oscillation in the mixer 6, forming a strong pulse jet. The mixer 6 then connects to the cleaning fluid through the main pipeline. The pipes of the washing device 12 are connected, allowing the air and water in the mixer 6 to enter from the lower port of the pipe of the item to be cleaned 12 through the first branch pipe 7 and the second branch pipe 8, performing a thorough pulse cleaning of the inside of the pipe of the item to be cleaned 12 from bottom to top. The cleaned scale and air and water are discharged from the upper port of the pipe of the item to be cleaned 12 and guided to the fourth branch pipe 10 through the third branch pipe 9. When the scale flows in the fourth branch pipe 10, it passes through the nano-power generation grid plate and rubs against the nano-power generation grid plate, causing the nano-power generation grid plate to generate induced charges. Both ends of the metal cell 132 are electrically connected to the sensor 133, and the induced charges generated by the friction between the scale and the nano-power generation grid plate are collected and identified by the sensor 133.

[0042] The parameter calculation module can perform calculations and analyses on the data collected by sensor 133 and the flow meter, based on the triboelectric nano-power generation formula Ι=σ ι The PLC control module calculates the value of ι to determine the amount of scale flowing through the nano-power grid and the cleaning status of the pipe 12 to be cleaned. When the value of ι increases, it indicates that the current air-water pulse intensity has not yet reached the threshold. At this point, the PLC control module increases the pulse intensity of the adjustable air-water pulse device on the pipe 12 to accelerate the removal of scale from the inner wall of the pipe until the value of ι stops increasing. This allows for efficient and rapid removal of scale from the inner wall of the pipe 12. When the value of ι gradually decreases, the PLC control module gradually reduces the pulse intensity of the adjustable air-water pulse device on the pipe to reduce wear and tear on the equipment until the cleaning of the pipe 12 is complete. The scale and air-water flowing through the nano-power grid then flow to the filter device 14 for scale filtration, and the air-water is then returned to the water tank 1.

[0043] After cleaning the pipe 12 to be cleaned is completed, the accumulated liquid in the pipe 12 to be cleaned needs to be drained in time. The control module drives the first shut-off valve 3 to close and drives the second shut-off valve 5 and the reversing valve 11 to work, so that the reversing valve 11 connects the first branch pipe 7 and the third branch pipe 9, and connects the second branch pipe 8 and the fourth branch pipe 10. At this time, the cleaning liquid in the water tank 1 is blocked, while the gas in the gas tank 4 flows through the mixer 6, the first branch pipe 7, and the third branch pipe 9 in sequence, and enters from the upper port of the pipe 12 to be cleaned. This causes the accumulated liquid in the pipe 12 to be pumped into the second branch pipe 8 connected to the lower port of the pipe 12 to be cleaned. The accumulated liquid also flows back to the water tank 1 through the second branch pipe 8 and the fourth branch pipe 10, thus completing the draining of the accumulated liquid in the pipe 12 to be cleaned.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A smart control system for air-water pulse cleaning parameters based on dirt detection, characterized in that, include The main pipeline has one end connected to the object to be cleaned. The adjustable air-water pulse device is connected to the other end of the main pipeline, and can inject air and cleaning fluid into the object to be cleaned through the main pipeline. The loop pipe is connected at one end to the object to be cleaned and at the other end to the adjustable air-water pulse device, so that the main pipe, the object to be cleaned, the loop pipe and the adjustable air-water pulse device together form a circulation loop. A dirt detection device is installed on a loop pipe. The dirt detection device includes a nano-power grid plate installed inside the loop pipe, a sensor electrically connected to the nano-power grid plate, and a flow meter for monitoring the liquid flow rate inside the loop pipe. The nano-power grid plate includes a metal battery core fixedly installed inside the loop pipe and an insulating nanomaterial film wrapped around the outer ring of the metal battery core. The insulating nanomaterial film has a different polarity from the metal battery core. Both ends of the metal battery core are electrically connected to the sensor. The flow meter is located on the side of the nano-power grid plate closer to the object to be cleaned. The induced charge generated by the friction between the scale washed down from the object and the nano-power grid plate is collected and identified by the sensor. as well as The control device is electrically connected to the dirt detection device and the adjustable air-water pulse device. The control device includes a calculation and analysis module for calculating and analyzing the amount of scale flowing through the nano-power grid plate and a control module for controlling the pulse intensity of the adjustable air-water pulse device. The calculation and analysis module is electrically connected to the control module.

2. The intelligent control system for air-water pulse cleaning parameters based on dirt detection according to claim 1, characterized in that, The nano-power generation grid also includes an insulating frame fixedly installed inside the circuit pipe, and metal battery cells are wound around and fixed on the insulating frame to form a grid structure.

3. The intelligent control system for air-water pulse cleaning parameters based on dirt detection according to claim 2, characterized in that, The metal battery cell is made of copper, and the insulating nanomaterial film is made of polytetrafluoroethylene.

4. The intelligent control system for air-water pulse cleaning parameters based on dirt detection according to claim 1, characterized in that, The adjustable air-water pulse device includes a liquid inlet mechanism, an air inlet mechanism, and a mixer. The liquid inlet mechanism includes a water tank, a centrifugal pump for pumping the cleaning liquid in the water tank into the mixer, and a first shut-off valve installed between the centrifugal pump and the mixer. The air inlet mechanism includes a gas tank for filling the mixer with gas and a second shut-off valve installed between the gas tank and the mixer. A pressure reducing valve is also provided between the second shut-off valve and the gas tank. The first shut-off valve, the second shut-off valve, the centrifugal pump, and the pressure reducing valve are all electrically connected to the control module. The mixer is connected to the object to be cleaned through a main pipeline, and the end of the loop pipeline away from the object to be cleaned is connected to the water tank.

5. The intelligent control system for air-water pulse cleaning parameters based on dirt detection according to claim 4, characterized in that, A filter device is installed on the loop pipeline, and the filter device is located between the dirt detection device and the water tank.

6. The intelligent control system for air-water pulse cleaning parameters based on dirt detection according to claim 4, characterized in that, The end of the main pipeline furthest from the mixer is connected to the lower port of the object to be cleaned, and the end of the loop pipeline furthest from the water tank is connected to the upper port of the object to be cleaned.

7. The intelligent control system for air-water pulse cleaning parameters based on dirt detection according to claim 6, characterized in that, A reversing valve is installed between the mixer and the object to be cleaned. The control module is electrically connected to the reversing valve. The main pipeline includes a first branch pipe and a second branch pipe, and the loop pipeline includes a third branch pipe and a fourth branch pipe. The first, second, third, and fourth branch pipes are respectively connected to the four ports of the reversing valve. The end of the first branch pipe away from the reversing valve is connected to the mixer. The end of the second branch pipe away from the reversing valve is connected to the lower port of the object to be cleaned. The end of the third branch pipe away from the reversing valve is connected to the upper port of the object to be cleaned. The end of the fourth branch pipe away from the reversing valve is connected to the water tank. The dirt detection device and the filter device are both installed on the fourth branch pipe. When air-water pulse cleaning is required for the object to be cleaned, the control module drives the reversing valve to work, so that the reversing valve connects the first and second branch pipes and connects the third and fourth branch pipes. After the cleaning of the object to be cleaned is completed, the control module drives the first shut-off valve to close and drives the second shut-off valve and the reversing valve to work, so that the reversing valve connects the first and third branch pipes and connects the second and fourth branch pipes.

8. The intelligent control system for air-water pulse cleaning parameters based on dirt detection according to claim 7, characterized in that, The calculation and analysis module includes a parameter calculation module and a PLC control module. The flow meter, sensor, and PLC control module are all connected to the parameter calculation module and the electrical control. The PLC control module is connected to the control module. The parameter calculation module can calculate and analyze the data collected by the sensor to determine the instantaneous cleaning effect of the object to be cleaned. Based on the cleaning effect, the PLC control module controls the control module. The control module regulates the first shut-off valve, the second shut-off valve, the centrifugal pump, the pressure reducing valve, and the reversing valve.

9. The intelligent control system for air-water pulse cleaning parameters based on dirt detection according to claim 4, characterized in that, The control system also includes a first liquid level display device for displaying the liquid level in the water tank.

10. The intelligent control system for air-water pulse cleaning parameters based on dirt detection according to claim 7, characterized in that, The control system also includes a second liquid level display device for displaying the liquid level in the object to be cleaned.

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