Methods and devices for treating scale in cooling water of trailer pumps

Abstract

This invention discloses a method and apparatus for treating scale in trailer pump cooling water, relating to the field of scale treatment technology for trailer pump cooling water. By continuously injecting micro-nano bubble clusters into the trailer pump cooling water circulation system during operation, and promoting the heterogeneous nucleation of scale-forming ions on the bubble surface into suspended particles, the formation mechanism of scale is fundamentally changed. Compared to existing technologies that rely on chemical scale inhibitors or subsequent physical cleaning, this method provides an active and continuous pretreatment approach. Existing chemical scale inhibitors may introduce corrosion risks or environmental burdens, while this method guides scale formation physically, avoiding scale adhesion and accumulation.

Description

Technical Field

[0001] This invention relates to the field of trailer pump wastewater treatment technology, and in particular to a method and apparatus for treating scale buildup in trailer pump cooling water. Background Technology

[0002] As a widely used power equipment in the construction machinery field, the cooling water circulation system of trailer pumps is a key component for ensuring the long-term stable operation of the engine or hydraulic system. Early trailer pump cooling water circulation systems mainly relied on natural convection or simple mechanical circulation for heat dissipation. However, with the continuous increase in power density and increasingly complex operating conditions of industrial equipment, forced circulation cooling has gradually become the mainstream. To address the scaling problem caused by the precipitation of scale-forming substances such as calcium and magnesium ions in the circulating water, technological development has evolved from simple periodic manual shutdown cleaning to the introduction of chemical agents for scale inhibition and corrosion slowing, and then to the combination of physical methods (such as ultrasound, electromagnetic fields, and high-pressure water jets) to assist in scale removal. While these methods aim to extend component lifespan and maintain system heat exchange efficiency, the overall approach remains primarily focused on post-treatment removal or pre-treatment inhibition.

[0003] Currently, the commonly used scale removal technologies in trailer pump cooling water circulation systems mainly include the following methods: First, periodically adding chemical scale inhibitors, dispersants, and corrosion inhibitors to suppress scale formation by changing the ion balance in the water or loosening the scale layer, and combining this with acid or alkaline washing for chemical cleaning at certain intervals; Second, using mechanical and physical methods, such as high-pressure water jet flushing or brushing tools to clean the heat exchange pipelines; Third, some systems introduce physical water treatment devices such as electromagnetic, ultrasonic, or electrostatic devices to attempt to change the morphology of scale crystals or make it difficult for them to adhere to the surface of heat exchange elements. These methods can maintain the short-term operation of the system to a certain extent, but most of them require cleaning to be carried out while the equipment is shut down, or rely on continuous chemical dosing to maintain water quality.

[0004] However, while existing chemical cleaning methods offer high descaling efficiency, they are prone to corrosion of the metal substrates of heat exchange elements, generate large amounts of acidic / heavy metal-containing wastewater requiring special treatment, and long-term chemical dosing increases operating costs and environmental burden. Physical descaling methods (such as high-pressure flushing) often fail to clean thoroughly, have limited effectiveness against stubborn scale, and frequent disassembly and cleaning increase equipment downtime and maintenance workload. The long-term stability and adaptability to different water qualities of existing physical water treatment devices remain controversial, making it difficult to completely prevent scale accumulation on the surface of heat exchange elements. These problems lead to a continuous decline in heat exchange efficiency, unstable system cooling performance, and even localized overheating, equipment damage, or a significant increase in energy consumption, falling far short of the technical expectations of efficient, reliable, and long-term continuous operation of trailer pumps. Summary of the Invention

[0005] The main objective of this invention is to propose a method and apparatus for treating scale in the cooling water of trailer pumps. This invention aims to solve the technical problems that common scale cleaning methods in the prior art not only fail to clean thoroughly, but also lead to a continuous decline in thermal efficiency, unstable system cooling performance, and even cause local overheating, equipment damage, or a significant increase in energy consumption, which are far from the technical expectations of efficient, reliable, and long-term continuous operation of trailer pumps.

[0006] To achieve the above objectives, in a first aspect, the present invention proposes a method for treating scale buildup in trailer pump cooling water. The method is used to treat scale buildup in the trailer pump cooling water circulation system. The trailer pump cooling water circulation system includes a heat exchange element, the outer periphery of which is in contact with the circulating cooling water, and the trailer pump cooling water circulation system is provided with multiple spaced-apart drain outlets. The method for treating scale buildup in the cooling water of the trailer pump includes the following steps: When the trailer pump cooling water circulation system is in operation, micro-nano bubble clusters are continuously injected into the circulating cooling water so that scale-forming ions in the circulating cooling water heterogeneously nucleate into suspended particles on the surface of each bubble cluster. Real-time heat exchange performance parameters of the trailer pump cooling water circulation system are collected. When the real-time heat exchange performance parameters meet the preset triggering conditions, the scale layer attached to the surface of the heat exchange element is peeled off by directional acoustic flow. According to a preset sequence, scale-containing wastewater is discharged through the drain outlet to complete the scale removal operation of the trailer pump cooling water.

[0007] In one embodiment, the step of continuously injecting micro-nano bubble clusters into the circulating cooling water when the trailer pump cooling water circulation system is in operation, so that scale-forming ions in the circulating cooling water heterogeneously nucleate into suspended particles on the surface of each bubble cluster, includes: When the trailer pump cooling water circulation system is in operation, micro-nano bubble clusters with a target diameter are continuously injected into the circulating cooling water so that scale-forming ions in the circulating cooling water heterogeneously nucleate on the surface of each bubble cluster into suspended particles; wherein, the target diameter is A, 0.8 micrometers ≤ A ≤ 8 micrometers.

[0008] In one embodiment, the volume fraction of the micro-nano bubble cluster is B, and the flow rate of the circulating cooling water in the trailer pump cooling water circulation system is C, where 0.3%C≤B≤1.2%C.

[0009] In one embodiment, the step of continuously injecting micro / nano bubble clusters with a target diameter into the circulating cooling water while the trailer pump cooling water circulation system is in operation, so that scale-forming ions in the circulating cooling water heterogeneously nucleate into suspended particles on the surface of each bubble cluster, includes: In a Venturi tube heat exchanger, the micro-nano bubble clusters are generated using ultrasonic cavitation equipment or a motor generator.

[0010] In one embodiment, the step of using directional acoustic flow to peel off the scale layer adhering to the surface of the heat exchange element when the real-time heat exchange performance parameters meet the preset trigger conditions includes: When the real-time heat exchange performance parameters meet the preset trigger conditions, the preset ultrasonic transducer array generates the directional acoustic flow at a preset operating frequency and preset sound intensity, so that the directional acoustic flow peels off the scale layer attached to the surface of the heat exchange element; wherein, the preset operating frequency is 18kHz-40kHz, and the preset sound intensity is 0.3W / cm²-1.2W / cm².

[0011] In one embodiment, the preset ultrasonic transducer array is a phased array ultrasonic transducer.

[0012] In one embodiment, the step of generating a directional acoustic flow using a preset ultrasonic transducer array at a preset operating frequency and preset sound intensity when the real-time heat exchange performance parameters meet preset trigger conditions, so as to cause the directional acoustic flow to peel off the scale layer attached to the surface of the heat exchange element, includes: When the real-time heat exchange performance parameters meet the preset triggering conditions, the directional acoustic flow is generated using a preset ultrasonic transducer array at a preset operating frequency and preset sound intensity. The directional acoustic stream is controlled to impact the outer surface of the heat exchange element vertically or obliquely, and to peel off the scale layer attached to the surface of the heat exchange element.

[0013] In one embodiment, the step of controlling the directional acoustic flow to impact the outer surface of the heat exchange element vertically or obliquely and to peel off the scale layer adhering to the surface of the heat exchange element includes: The directional acoustic stream is controlled to impact the outer surface of the heat exchange element vertically or obliquely for a preset duration to peel off the scale layer attached to the surface of the heat exchange element; wherein the preset duration is 60-180 seconds.

[0014] In one embodiment, the real-time heat exchange performance parameters include the inlet and outlet water temperature difference, conductivity value, and turbidity value of the circulating cooling water in the trailer pump cooling water circulation system.

[0015] Based on the same technical concept, in a second aspect, the present invention also proposes a trailer pump cooling water scale treatment device, which is used to treat the scale layer in the trailer pump cooling water circulation system. The trailer pump cooling water circulation system includes a heat exchange element, the outer periphery of which is in contact with the circulating cooling water, and the trailer pump cooling water circulation system is provided with multiple spaced drain outlets. The scale treatment device for the cooling water of the trailer pump includes: The micro-nano bubble cluster manufacturing module is used to continuously inject micro-nano bubble clusters into the circulating cooling water when the trailer pump cooling water circulation system is in operation, so that scale-forming ions in the circulating cooling water heterogeneously nucleate into suspended particles on the surface of each bubble cluster. The parameter acquisition module is used to acquire the real-time heat exchange performance parameters of the trailer pump cooling water circulation system. A directional acoustic flow output module is used to peel off the scale layer attached to the surface of the heat exchange element by using directional acoustic flow when the real-time heat exchange performance parameters meet the preset trigger conditions. The scale removal module is used to discharge scale-containing wastewater through the drain port in a preset sequence to complete the scale removal operation of the trailer pump cooling water.

[0016] The technical solution of this invention fundamentally changes the scale formation mechanism by continuously injecting micro-nano bubble clusters into the cooling water circulation system of a trailer pump during operation, and promoting heterogeneous nucleation of scale-forming ions into suspended particles on the bubble surface. Compared with existing technologies that rely on chemical scale inhibitors or subsequent physical cleaning, this method provides an active and continuous pretreatment approach. Existing chemical scale inhibitors may introduce corrosion risks or environmental burdens, while this method guides scale formation physically, avoiding scale adhesion and accumulation.

[0017] By collecting real-time heat exchange performance parameters of the trailer pump cooling water circulation system and initiating descaling operations based on preset trigger conditions, intelligent on-demand processing is achieved. This contrasts with the common methods of periodic shutdown cleaning or fixed-cycle chemical dosing maintenance in existing technologies. Existing methods often fail to accurately grasp the actual scale buildup, potentially leading to over-cleaning or untimely cleaning, resulting in resource waste or decreased efficiency. This method, through real-time monitoring of parameters such as inlet and outlet water temperature difference, conductivity, and turbidity, can accurately determine the system's scale status, ensuring timely intervention when scale accumulation reaches a critical point affecting performance, thereby maintaining the system's efficient operation.

[0018] Furthermore, one of the core innovations of this method is the use of directional acoustic flow to peel off the scale layer adhering to the surface of the heat exchange element when the real-time heat exchange performance parameters meet the preset trigger conditions. Compared with existing technologies that require shutdown for disassembly and high-pressure water jet flushing or acid / alkali chemical cleaning, directional acoustic flow technology can efficiently and non-invasively peel off the scale layer on the surface of the heat exchange element without stopping the operation of the trailer pump's cooling water circulation system. This avoids production losses and maintenance workload caused by equipment downtime, as well as component corrosion and waste liquid disposal problems that may be caused by chemical cleaning. In the above example, the directional acoustic flow generated by the ultrasonic transducer array can precisely act on the surface of the heat exchange element, effectively removing the initially formed scale layer without affecting the normal operation of the trailer pump.

[0019] Finally, the scale-containing wastewater is discharged through the drain outlet in a preset sequence, ensuring that the scale and suspended particles stripped off are effectively removed from the system. This provides a complete closed loop for scale treatment compared to methods that only loosen the scale layer physically but fail to completely remove it. By combining micro-nano bubble pretreatment, real-time monitoring and intelligent triggering, directional acoustic flow online stripping, and orderly scale discharge, this method forms a synergistic overall technical solution. This solution not only solves the corrosion and environmental problems of chemical cleaning and the incompleteness and downtime issues of physical cleaning in existing technologies, but also overcomes the challenge of insufficient stability of existing physical water treatment devices, providing a highly efficient, reliable, and long-term continuous operation scale treatment solution for trailer pump cooling water circulation systems. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of the present invention 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 the present invention. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0021] Figure 1 A flowchart of the method for treating scale in the cooling water of a trailer pump provided by the present invention.

[0022] The realization of the objective, functional features and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0023] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0024] It should be noted that if the embodiments of the present invention involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0025] Furthermore, if the embodiments of this invention involve descriptions such as "first" or "second," these descriptions are 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. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this invention.

[0026] Please see Figure 1 This invention proposes a method for treating scale buildup in trailer pump cooling water. The method is used to treat the scale layer in the trailer pump cooling water circulation system. The trailer pump cooling water circulation system includes a heat exchange element, the outer periphery of which is in contact with the circulating cooling water, and the trailer pump cooling water circulation system is provided with multiple spaced drain outlets. The method for treating scale buildup in the cooling water of the trailer pump includes the following steps: S100. When the trailer pump cooling water circulation system is in operation, micro-nano bubble clusters are continuously injected into the circulating cooling water so that scale-forming ions in the circulating cooling water heterogeneously nucleate into suspended particles on the surface of each bubble cluster. S200: Real-time heat exchange performance parameters of the trailer pump cooling water circulation system are collected. S300. When the real-time heat exchange performance parameters meet the preset triggering conditions, the scale layer attached to the surface of the heat exchange element is peeled off by directional acoustic flow. S400. According to the preset sequence, the scale-containing wastewater is discharged through the drain outlet to complete the scale treatment operation of the trailer pump cooling water.

[0027] Specifically, the trailer pump cooling water circulation system is configured to include heat exchange elements whose outer periphery contacts the circulating cooling water, and the system has multiple spaced-apart drain ports. The system can be a closed loop, in which cooling water flows through the heat exchange elements driven by the pump, absorbs heat, and then returns to the cooling tower or radiator to dissipate heat. The heat exchange elements can be any structure capable of heat exchange; for example, they can be metal tube bundles with smooth surfaces or plate structures composed of multiple layers of thin plates. The drain ports can simply be valves on the pipes, opened manually or automatically to drain liquid from the system. These drain ports can be evenly distributed at different locations in the system, such as near the inlet and outlet of the heat exchange elements, at the lowest point of the pipe, or in settlement areas.

[0028] Specifically, when the trailer pump cooling water circulation system is in operation, micro-nano bubble clusters are continuously injected into the circulating cooling water. This injection can be achieved in several ways. For example, a simple aeration device can be used to introduce air or inert gas into the circulating cooling water through a porous membrane or nozzle, forming small bubbles. These bubbles persist in the water, providing abundant heterogeneous nucleation surfaces for scale-forming ions in the circulating cooling water. Scale-forming ions, such as calcium and magnesium ions, preferentially crystallize on these bubble surfaces, forming tiny suspended particles, rather than depositing directly on the heat exchange element surface. This method effectively reduces the initial formation of scale on the heat exchange element.

[0029] Simultaneously, real-time heat exchange performance parameters of the trailer pump's cooling water circulation system are collected. Parameter acquisition can be achieved by installing sensors at key locations within the system. For example, temperature sensors can be installed at the inlet and outlet of the heat exchange elements to measure the inlet and outlet water temperatures. Conductivity or turbidity sensors can also be installed in the circulating water pipeline. These sensors can periodically read data and transmit it to a central processing unit for analysis. The data acquisition frequency can be set according to actual needs, such as acquiring data every few minutes.

[0030] When the real-time heat exchange performance parameters meet preset trigger conditions, directional acoustic flow is used to peel off the scale deposits adhering to the surface of the heat exchange element. The preset trigger conditions can be a simple threshold, such as when the temperature difference between the inlet and outlet water drops below a certain value, or when the conductivity or turbidity reaches a certain level. The directional acoustic flow can be generated by placing one or more acoustic generators near the heat exchange element. These generators emit sound waves of specific frequencies, creating a directional acoustic flow in the water. The impact force of this acoustic flow acts on the surface of the heat exchange element, peeling off the scale deposits from the substrate. The acoustic generators can be fixedly installed or moved using a robotic arm to cover different areas of the heat exchange element.

[0031] Finally, following a preset sequence, the scale-containing wastewater is discharged through the drain outlet to complete the scale removal process for the trailer pump cooling water. After the scale layer is peeled off and forms suspended solids, it needs to be discharged from the system. The discharge sequence can be manually set according to the location of the drain outlet in the system and the distribution of scale. For example, the drain outlet at the lowest point of the system can be opened first to discharge the settled heavy scale, and then other drain outlets can be opened in sequence to discharge the light scale suspended in the water. The discharge process can continue for a period of time to ensure that most of the scale-containing wastewater is discharged.

[0032] In this embodiment, by continuously injecting micro-nano bubble clusters into the cooling water circulation system of the trailer pump during operation, and promoting the heterogeneous nucleation of scale-forming ions into suspended particles on the bubble surface, the formation mechanism of scale is fundamentally changed. Compared with existing technologies that rely on chemical scale inhibitors or subsequent physical cleaning, this method provides an active and continuous pretreatment approach. Existing chemical scale inhibitors may introduce corrosion risks or environmental burdens, while this method guides scale formation physically, avoiding the adhesion and accumulation of scale.

[0033] By collecting real-time heat exchange performance parameters of the trailer pump cooling water circulation system and initiating descaling operations based on preset trigger conditions, intelligent on-demand processing is achieved. This contrasts with the common methods of periodic shutdown cleaning or fixed-cycle chemical dosing maintenance in existing technologies. Existing methods often fail to accurately grasp the actual scale buildup, potentially leading to over-cleaning or untimely cleaning, resulting in resource waste or decreased efficiency. This method, through real-time monitoring of parameters such as inlet and outlet water temperature difference, conductivity, and turbidity, can accurately determine the system's scale status, ensuring timely intervention when scale accumulation reaches a critical point affecting performance, thereby maintaining the system's efficient operation.

[0034] Furthermore, one of the core innovations of this method is the use of directional acoustic flow to peel off the scale layer adhering to the surface of the heat exchange element when the real-time heat exchange performance parameters meet the preset trigger conditions. Compared with existing technologies that require shutdown for disassembly and high-pressure water jet flushing or acid / alkali chemical cleaning, directional acoustic flow technology can efficiently and non-invasively peel off the scale layer on the surface of the heat exchange element without stopping the operation of the trailer pump's cooling water circulation system. This avoids production losses and maintenance workload caused by equipment downtime, as well as component corrosion and waste liquid disposal problems that may be caused by chemical cleaning. In the above example, the directional acoustic flow generated by the ultrasonic transducer array can precisely act on the surface of the heat exchange element, effectively removing the initially formed scale layer without affecting the normal operation of the trailer pump.

[0035] Finally, the scale-containing wastewater is discharged through the drain outlet in a preset sequence, ensuring that the scale and suspended particles stripped off are effectively removed from the system. This provides a complete closed loop for scale treatment compared to methods that only loosen the scale layer physically but fail to completely remove it. By combining micro-nano bubble pretreatment, real-time monitoring and intelligent triggering, directional acoustic flow online stripping, and orderly scale discharge, this method forms a synergistic overall technical solution. This solution not only solves the corrosion and environmental problems of chemical cleaning and the incompleteness and downtime issues of physical cleaning in existing technologies, but also overcomes the challenge of insufficient stability of existing physical water treatment devices, providing a highly efficient, reliable, and long-term continuous operation scale treatment solution for trailer pump cooling water circulation systems.

[0036] In one embodiment, step S100 includes: When the trailer pump cooling water circulation system is in operation, micro-nano bubble clusters with a target diameter are continuously injected into the circulating cooling water so that scale-forming ions in the circulating cooling water heterogeneously nucleate on the surface of each bubble cluster into suspended particles; wherein, the target diameter is A, 0.8 micrometers ≤ A ≤ 8 micrometers.

[0037] Specifically, a micro / nanobubble cluster with a target diameter refers to a collection of tiny bubbles whose diameter is limited to a specific range. These bubbles, due to their small size, large specific surface area, and long residence time in water, can provide a large number of heterogeneous nucleation sites for scale-forming ions in the water. Micro / nanobubbles within a specific diameter range can be generated by precisely controlling the parameters of the bubble generator, such as gas pressure, liquid flow rate, and pore size. Alternatively, membrane contactors or microporous aerators can be used to physically screen or generate micro / nanobubbles with a target diameter by selecting membranes or microporous plates with different pore sizes. The target diameter is A, where 0.8 μm ≤ A ≤ 8 μm, defining the size range of the micro / nanobubble cluster. This range is derived from experimental or theoretical analysis and aims to optimize the heterogeneous nucleation efficiency of scale-forming ions on the bubble surface. Limiting the diameter of the micro / nanobubbles to between 0.8 μm and 8 μm ensures that the bubbles have a sufficiently large specific surface area to provide ample nucleation sites, while avoiding bubbles that are too small, resulting in poor stability, or too large, causing excessively fast bubbling and reducing the contact time with scale-forming ions.

[0038] In this embodiment, the interaction between the bubbles and scale-forming ions is optimized by limiting the diameter of the micro-nano bubble cluster injected into the circulating cooling water to a target range of 0.8 micrometers to 8 micrometers. Within this specific diameter range, the micro-nano bubbles achieve an ideal balance between specific surface area and residence time in water, providing a sufficient number and uniformly distributed heterogeneous nucleation sites for scale-forming ions such as calcium and magnesium in the water. Scale-forming ions can more efficiently crystallize on the surface of these bubbles and form tiny suspended particles, rather than directly adhering to the outer surface of the heat exchange element. This significantly improves the efficiency of converting scale-forming ions into easily removable suspended particles, reducing scale formation and deposition at the source. This provides more favorable conditions for subsequent removal of scale layers adhering to the surface of the heat exchange element using directional acoustic flow and for discharging scale-containing wastewater through the drain outlet, making the entire scale treatment process more effective and thorough.

[0039] In one embodiment, the volume fraction of the micro-nano bubble cluster is B, and the flow rate of the circulating cooling water in the trailer pump cooling water circulation system is C, where 0.3%C≤B≤1.2%C.

[0040] Specifically, by maintaining the volume fraction B of the micro-nano bubble cluster within the range of 0.3% to 1.2% of the circulating cooling water flow rate C, an optimal concentration of micro-nano bubbles is ensured in the circulating cooling water under different flow rate conditions. When the volume fraction of the micro-nano bubble cluster is too low, the surface area available for heterogeneous nucleation of scale-forming ions is insufficient, causing some scale-forming ions to still form scale on the surface of the heat exchange element. When the volume fraction is too high, it not only increases the energy consumption of the micro-nano bubble generator, but excessive bubbles may also form a gas film on the surface of the heat exchange element, hindering heat transfer and potentially causing cavitation problems. Therefore, by establishing a dynamic correlation between the volume fraction B of the micro-nano bubble cluster and the flow rate C of the circulating cooling water and limiting it within a specific ratio range, the solution of this application can ensure that when the trailer pump cooling water circulation system is in operation, the continuously injected micro-nano bubble cluster can provide sufficient and appropriate heterogeneous nucleation sites, efficiently converting scale-forming ions into suspended particles, thereby effectively inhibiting the formation of scale on the surface of the heat exchange element, while avoiding the negative impacts caused by improper bubble concentration.

[0041] As a specific implementation method, an intelligent control system can be used to implement the above technical solution. This system can be equipped with a flow sensor to monitor the flow rate C of the circulating cooling water in the trailer pump cooling water circulation system in real time. Simultaneously, a bubble concentration sensor (e.g., a sensor based on the principle of optical scattering) is set downstream of the micro-nano bubble swarm injection point to measure the volume fraction B of the micro-nano bubble swarm in real time. Based on the flow rate C collected by the flow sensor, the control system dynamically calculates the target range (0.3%C to 1.2%C) of the micro-nano bubble swarm integral. Subsequently, the control system compares the real-time measured volume fraction B with the target range. If B deviates from the preset range, the control system sends an adjustment command to the micro-nano bubble generating device (e.g., a Venturi tube heat exchanger in conjunction with an ultrasonic cavitation device), such as increasing or decreasing the power of the ultrasonic cavitation device, or adjusting the opening of the Venturi tube's inlet valve, to adjust the gas production of the micro-nano bubbles, thereby bringing the volume fraction B back to the range of 0.3%C to 1.2%C. For example, when the flow rate C is 100 cubic meters per hour, the system will control the volume fraction B between 0.3 cubic meters per hour and 1.2 cubic meters per hour.

[0042] In this embodiment, the injection concentration of micro-nano bubble clusters can be dynamically adjusted according to changes in the circulating cooling water flow rate within the trailer pump cooling water circulation system, thereby ensuring that the heterogeneous nucleation process remains highly efficient and economical. This not only significantly improves the overall efficiency of scale inhibition, effectively preventing scale formation on the surface of heat exchange elements and extending the service life of the equipment, but also avoids energy waste or poor treatment results caused by excessively high or low bubble concentrations, thus optimizing the operation of the cooling water system and achieving energy savings.

[0043] In one embodiment, the step of continuously injecting micro / nano bubble clusters with a target diameter into the circulating cooling water while the trailer pump cooling water circulation system is in operation, so that scale-forming ions in the circulating cooling water heterogeneously nucleate into suspended particles on the surface of each bubble cluster, includes: In a Venturi tube heat exchanger, the micro-nano bubble clusters are generated using ultrasonic cavitation equipment or a motor generator.

[0044] Specifically, ultrasonic cavitation equipment or motor generators can be integrated into the inlet or throat section of a Venturi tube heat exchanger to achieve in-situ generation and instantaneous mixing of micro- and nano-bubbles. The Venturi tube heat exchanger, through its constriction and diffusion sections, increases the fluid velocity and decreases the pressure as it flows through the constriction section, creating a localized low-pressure zone. This low-pressure environment is conducive to gas precipitation or bubble formation. As a heat exchanger, it also functions as a heat exchanger, capable of heating or cooling the fluid, providing suitable temperature conditions for micro- and nano-bubble generation, and ensuring that the bubble generation process is coordinated with the overall operation of the cooling water circulation system. This can be achieved by integrating a Venturi tube structure into an existing heat exchanger or by designing a specialized Venturi tube heat exchanger. Ultrasonic cavitation equipment utilizes ultrasonic waves to generate cavitation effects in liquids. When ultrasonic waves propagate in a liquid, alternating negative and positive pressure zones are created. In negative pressure regions, tiny gas nuclei in a liquid rapidly expand to form cavitation bubbles. When the pressure changes to positive pressure, these cavitation bubbles collapse rapidly, generating localized high temperatures, high pressures, and high-speed microjets, accompanied by the production of numerous tiny bubbles. This cavitation effect effectively disperses gas in a liquid into extremely fine bubbles, i.e., micro- and nano-bubbles. Ultrasonic cavitation equipment can include an ultrasonic generator, an ultrasonic transducer, and a probe or vibrating plate for introducing ultrasonic waves into the liquid. Motor-driven devices generate micro- and nano-bubbles through mechanical shearing, high-speed rotation, or stirring. For example, a high-speed rotating impeller or rotor can generate strong shearing forces in a liquid, dispersing gas (such as air) into tiny bubbles. Another approach is to use a microporous aerator head, with a motor-driven pump forcing gas through a microporous membrane to form uniform, fine bubbles. These devices typically feature relatively simple structures, stable operation, and easy adjustment of bubble generation and size. Implementation methods can include combinations of high-speed shear pumps, microporous aerators, and motor-driven pumps, or agitators with specially designed blades. The fabrication of the aforementioned micro-nano bubble clusters refers to the process of dispersing gas (such as air or other inert gases) into circulating cooling water using methods such as venturi tube heat exchangers, ultrasonic cavitation equipment, or motor generators, to form an aggregate of tiny bubbles with diameters between 0.8 and 8 micrometers and volume fractions between 0.3% and 1.2% C. This process aims to ensure that the generated bubbles have a sufficient number and appropriate size to provide ample heterogeneous nucleation surfaces for scale-forming ions in the circulating cooling water, thereby effectively converting scale-forming ions into suspended particles and preventing them from forming scale on the surface of the heat exchange elements.

[0045] In this embodiment, a venturi tube heat exchanger is installed within the cooling water circulation system of the trailer pump, combined with an ultrasonic cavitation device or a motor generator to prepare micro-nano bubble clusters. When the circulating cooling water flows through the contraction section of the venturi tube heat exchanger, the flow velocity increases, and the local pressure drops significantly, creating favorable conditions for gas precipitation and bubble formation. In this low-pressure region, the ultrasonic cavitation device can utilize the cavitation effect of ultrasound to efficiently shear and disperse dissolved gases or externally injected gases into a large number of micron- and nano-sized bubbles. Alternatively, the motor generator can force the gas to disperse into fine micro- and nano-bubbles within a specific area of ​​the venturi tube through mechanical shearing or high-speed rotation. This results in higher micro- and nano-bubble generation efficiency and more uniform bubble size distribution, allowing for precise control of the diameter and volume fraction of the generated micro- and nano-bubble clusters, meeting the requirements of a diameter range of 0.8 micrometers to 8 micrometers and a volume fraction of 0.3%C to 1.2%C. By preparing bubbles in a venturi heat exchanger, it can be ensured that the micro-nano bubble clusters are fully mixed with the circulating cooling water immediately after generation and are evenly distributed throughout the circulation system with the water flow. This provides sufficient heterogeneous nucleation sites for scale-forming ions, effectively promoting their transformation into suspended particles and laying the foundation for subsequent scale treatment.

[0046] In one embodiment, step S300 includes: When the real-time heat exchange performance parameters meet the preset trigger conditions, the preset ultrasonic transducer array generates the directional acoustic flow at a preset operating frequency and preset sound intensity, so that the directional acoustic flow peels off the scale layer attached to the surface of the heat exchange element; wherein, the preset operating frequency is 18kHz-40kHz, and the preset sound intensity is 0.3W / cm²-1.2W / cm².

[0047] Specifically, a pre-set ultrasonic transducer array is a system composed of multiple independent ultrasonic transducer units arranged in a specific geometry. Each unit can independently or collaboratively emit and receive ultrasonic waves. The function of this array is to generate ultrasonic waves with specific directionality, frequency, and intensity, thereby forming a directional acoustic stream. This array can be a linear array, where multiple ultrasonic transducer units are arranged along a straight line, and the scanning and focusing of the sound beam is achieved by controlling the phase and amplitude of each unit; or it can be a two-dimensional planar array, where the transducer units are arranged in a matrix on a plane, enabling more complex sound field control, such as three-dimensional focusing or multi-directional beamforming.

[0048] The preset operating frequency refers to the vibration frequency set by the ultrasonic transducer array when generating ultrasonic waves. Frequency is a key parameter affecting the propagation characteristics of ultrasonic waves in a medium (such as attenuation, wavelength, and penetration), and it also directly affects the formation efficiency of acoustic flow and the removal effect on scale. This frequency is usually preset and optimized based on the physical characteristics of the scale, the material of the heat exchange element, and the acoustic characteristics of the circulating cooling water. For example, for harder or thicker scale, a lower frequency may be needed to obtain better penetration; for thinner or looser scale, a higher frequency may be used to improve the removal efficiency.

[0049] The preset sound intensity refers to the average power transmitted by ultrasonic waves per unit area, reflecting the energy density of the ultrasonic waves. Sound intensity is a crucial parameter determining the ability of directional acoustic flow to remove scale. Too low a sound intensity may fail to effectively remove scale, while too high a sound intensity may damage heat exchange elements or result in unnecessary energy consumption. Sound intensity can be controlled by adjusting the input power of the ultrasonic transducer array. Its preset value needs to comprehensively consider factors such as the adhesion strength of the scale, the tolerance of the heat exchange elements, and the processing efficiency.

[0050] The directional acoustic flow refers to the macroscopic flow with a specific direction generated in a fluid medium under the action of ultrasound. In this method, the directional acoustic flow effectively loosens, breaks up, and peels off the scale layer adhering to the surface of the heat exchange element through its shear force, impact force, and microscopic cavitation effect generated within the scale layer. The generation of the directional acoustic flow depends on the precise control of the ultrasonic transducer array. By adjusting the phase and amplitude of each transducer unit in the array, the focusing, deflection, and scanning of the sound beam can be achieved, thereby forming an acoustic flow with a specific direction and effective area.

[0051] In this embodiment, the formation of scale is monitored by real-time acquisition of heat exchange performance parameters of the trailer pump cooling water circulation system, such as inlet and outlet water temperature difference, conductivity, and turbidity. Once these parameters meet preset trigger conditions, indicating a decrease in heat exchange efficiency or a certain degree of scale accumulation, the system initiates the scale removal process. At this time, a preset ultrasonic transducer array is activated, generating a directional acoustic stream at a preset operating frequency and preset sound intensity. This directional acoustic stream does not act haphazardly on the entire system but is precisely guided to the surface of the heat exchange element. The energy of the directional acoustic stream is concentrated in the target area, and through the powerful shearing force, impact force, and micro-cavitation effect induced within the scale, it effectively loosens, breaks down, and removes the scale adhering to the surface of the heat exchange element. This targeted removal method avoids large-scale chemical cleaning or downtime maintenance of the entire circulation system, significantly improving processing efficiency and equipment operational continuity. By combining real-time monitoring with directional acoustic stream removal, this application achieves dynamic management and precise removal of scale, ensuring the long-term efficient operation of the heat exchange element.

[0052] In one embodiment, the preset ultrasonic transducer array is a phased array ultrasonic transducer.

[0053] Specifically, a phased array ultrasonic transducer is an array composed of multiple independent ultrasonic transducer units, each of which can be independently excited and its phase controlled. By precisely controlling the phase and amplitude of the excitation signal of each transducer unit, the ultrasonic beam can be focused, deflected, and scanned, thereby forming a directional acoustic stream with a specific direction and focus. This transducer can dynamically adjust the sound field to adapt to different application scenarios and target areas. For example, in addition to being used for descaling, phased array technology can also be applied to non-destructive testing, medical imaging, and other fields, with its core advantage being the flexible controllability of the sound field.

[0054] In this embodiment, by specifying the ultrasonic array transducer as a phased array ultrasonic array transducer, it is possible to more accurately utilize directional acoustic flow to peel off the scale layer adhering to the surface of the heat exchange element when the real-time heat transfer performance parameters meet the preset triggering conditions. Specifically, the phased array ultrasonic array transducer consists of multiple independent ultrasonic transducer units, and the phase and amplitude of the excitation signal of each unit can be adjusted independently. When scale layer peeling is required, the control system accurately calculates and adjusts the excitation phase and amplitude of each transducer unit based on the real-time heat transfer performance parameters and the prediction of scale layer distribution, thereby forming a highly focused and controllable directional acoustic flow in the circulating cooling water. This directional acoustic flow can impact the outer surface of the heat exchange element vertically or obliquely at a preset operating frequency and preset sound intensity, generating strong sound pressure and acoustic shear force, effectively peeling off the scale layer adhering to the heat exchange element. Compared to ultrasonic arrays with a fixed sound field, phased array technology allows for dynamic adjustment of the focus and direction of the acoustic flow. This enables more flexible handling of irregular scale distribution on the surface of heat exchange elements, achieving precise localized impact, improving descaling efficiency, and avoiding excessive impact on non-scaled areas. This precise control ensures thorough scale removal while minimizing potential damage to heat exchange elements, thereby maintaining the long-term stable operation and high-efficiency heat exchange performance of the trailer pump cooling water circulation system.

[0055] In one embodiment, the step of generating a directional acoustic flow using a preset ultrasonic transducer array at a preset operating frequency and preset sound intensity when the real-time heat exchange performance parameters meet preset trigger conditions, so as to cause the directional acoustic flow to peel off the scale layer attached to the surface of the heat exchange element, includes: S310. When the real-time heat exchange performance parameters meet the preset triggering conditions, the directional acoustic flow is generated using a preset ultrasonic transducer array at a preset operating frequency and preset sound intensity. S320. Control the directional acoustic flow to impact the outer surface of the heat exchange element vertically or obliquely, and peel off the scale layer attached to the surface of the heat exchange element.

[0056] In this embodiment, the directional acoustic stream is controlled to impact the outer surface of the heat exchange element vertically or obliquely, aiming to optimize the interaction between the directional acoustic stream and the scale layer on the surface of the heat exchange element. By precisely controlling the impact angle of the acoustic stream, the shear force, impact force, or cavitation effect of the acoustic stream energy on the scale layer can be maximized, thereby improving the peeling efficiency. Vertical impact can provide the maximum positive pressure and is suitable for brittle scale layers; oblique impact can generate greater shear force, which helps to peel off scale layers with strong adhesion or form peeling gaps on the surface. Vertical impact can be achieved by adjusting the phase difference of the phased array ultrasonic transducer array, so that the beam of the generated directional acoustic stream is focused and perpendicular to a specific surface area of ​​the heat exchange element. For example, by calculating the geometric relationship between the transducer array and the target surface, the phase of the excitation signal of each transducer unit is precisely set to achieve coherent superposition of sound waves, forming a sound beam perpendicular to the surface. Oblique impact can be achieved by adjusting the phase difference of the phased array ultrasonic transducer array, so that the beam of the generated directional acoustic stream impacts the outer surface of the heat exchange element at a preset tilt angle. For example, by introducing a preset phase gradient, the sound waves are deflected during propagation, thus incident on the scale surface at a non-perpendicular angle, generating a stronger shearing and peeling effect. Furthermore, peeling off the scale adhering to the surface of the heat exchange element is the direct purpose and effect of directional acoustic flow impact. Through the precisely controlled impact described above, the energy of the acoustic flow can effectively act on the interface between the scale and the heat exchange element surface, generating sufficient mechanical force or cavitation effect to disrupt the structural integrity of the scale or its adhesion to the substrate, causing it to detach from the heat exchange element surface. This can be achieved by directly applying mechanical stress to the scale through the high-frequency vibration and sound pressure gradient of the directional acoustic flow. When the stress exceeds the strength or adhesion of the scale, it will fracture, crack, or detach from the surface. Alternatively, tiny cavitation bubbles generated in the liquid under the action of the acoustic flow can grow, contract, and eventually collapse in the sound field, generating localized high-temperature and high-pressure microjets and shock waves, thereby effectively impacting the scale surface, destroying its structure, and causing it to peel off.

[0057] In this embodiment, by continuously injecting micro-nano bubble clusters into the trailer pump cooling water circulation system while it is in operation, scale-forming ions in the circulating cooling water heterogeneously nucleate into suspended particles on the surface of each bubble cluster, thereby inhibiting the formation of new scale. Simultaneously, real-time heat exchange performance parameters of the trailer pump cooling water circulation system are collected. When these parameters meet preset trigger conditions, it indicates that a certain amount of scale has formed on the surface of the heat exchange element and needs to be removed. At this time, the system activates a preset ultrasonic transducer array (e.g., a phased array ultrasonic transducer) to generate a directional acoustic stream at a preset operating frequency and preset sound intensity. Furthermore, this solution precisely controls the impact direction and angle of this directional acoustic stream, enabling it to impact the outer surface of the heat exchange element vertically or obliquely. This precise impact control allows the acoustic energy to be efficiently transferred to the interface between the scale layer and the heat exchange element. Vertical impact provides the maximum positive pressure, directly "pushing" the scale layer away from the surface; while oblique impact generates strong shear force, effectively "tearing" or "peeling" away strongly adhered scale layers. The targeted impact method ensures that the acoustic energy is maximized to act on the scale layer, disrupting its structure or adhesion, thereby achieving effective scale removal. Finally, the scale-containing wastewater is discharged through the drain outlet in a preset sequence, completing the scale treatment operation. This strategy, which combines prevention, monitoring, and precise removal, makes the entire scale treatment process more efficient and thorough.

[0058] In one embodiment, the step of controlling the directional acoustic flow to impact the outer surface of the heat exchange element vertically or obliquely and to peel off the scale layer adhering to the surface of the heat exchange element includes: The directional acoustic stream is controlled to impact the outer surface of the heat exchange element vertically or obliquely for a preset duration to peel off the scale layer attached to the surface of the heat exchange element; wherein the preset duration is 60-180 seconds.

[0059] In this embodiment, by continuously injecting micro-nano bubble clusters while the trailer pump cooling water circulation system is in operation, scale-forming ions are heterogeneously nucleated into suspended particles on the bubble surface, thereby reducing scale formation on the heat exchange element surface. When real-time heat exchange performance parameters indicate that scale accumulation reaches a preset trigger condition, the system activates a preset ultrasonic transducer array to generate a directional acoustic stream at a preset operating frequency and preset sound intensity. This directional acoustic stream is precisely controlled to impact the outer surface of the heat exchange element vertically or obliquely, thereby applying mechanical force to the scale layer attached thereto. Furthermore, this application controls the directional acoustic stream to continuously act on the outer surface of the heat exchange element for a preset duration (60-180 seconds), allowing the sound wave energy to act on the scale layer stably for a long time. This continuous acoustic stream impact can effectively fatigue the scale layer structure, destroy its internal lattice, and weaken the bonding force between the scale layer and the heat exchange element. Through sustained action over a sufficiently long period, even dense or stubborn scale can be loosened and peeled off, ensuring thorough and uniform scale removal. This avoids incomplete cleaning caused by insufficient action time, significantly improving the efficiency and effectiveness of scale treatment.

[0060] In one embodiment, the real-time heat exchange performance parameters include the inlet and outlet water temperature difference, conductivity value, and turbidity value of the circulating cooling water in the trailer pump cooling water circulation system.

[0061] Specifically, real-time heat exchange performance parameters refer to dynamic indicators that reflect the heat exchange efficiency and water quality of the trailer pump cooling water circulation system under its current operating conditions. Real-time monitoring of these parameters is crucial for assessing system health, predicting potential failures, and optimizing maintenance strategies. This can be achieved through continuous measurement using various sensors integrated into the circulation system, with the measurement data transmitted to a central processing unit for analysis. The inlet and outlet water temperature difference refers to the difference between the temperature of the circulating cooling water before it enters the heat exchange element and the temperature after it exits the heat exchange element in the trailer pump cooling water circulation system. This parameter directly reflects the heat exchange efficiency of the heat exchange element; a decrease in the water temperature difference usually indicates a decline in heat exchange efficiency, which may be caused by scale accumulation. It can be measured by installing high-precision temperature sensors at the inlet and outlet of the heat exchange element, such as resistance temperature detectors (RTDs), thermocouples, or infrared temperature sensors. The conductivity value refers to the ion concentration in the circulating cooling water and is closely related to the total dissolved solids (TDS) in the water. Scale formation is usually related to an increase in the concentration of scale-forming ions such as calcium and magnesium ions in the water. Therefore, changes in conductivity can indirectly reflect changes in water hardness and scaling trends. Conductivity can be measured by installing an online conductivity sensor in the circulating water pipeline. This sensor typically includes electrodes and a temperature compensation element. Turbidity is an indicator of the suspended particulate matter content in circulating cooling water. These suspended particles may include suspended particles formed by heterogeneous nucleation, shed microscale debris, or other impurities. An increase in turbidity indicates an increase in suspended matter in the water, which may indicate effective scale removal or water purification. Turbidity can be measured by installing an online turbidity sensor in the circulating water pipeline. This sensor typically operates based on the principle of light scattering, assessing turbidity by measuring the degree of light scattering in the water.

[0062] In this embodiment, by specifying the real-time heat exchange performance parameters of the trailer pump cooling water circulation system as the inlet and outlet water temperature difference, conductivity value, and turbidity value, a more comprehensive and accurate system status assessment mechanism is provided. When the trailer pump cooling water circulation system is in operation, the continuously injected micro-nano bubble clusters cause scale-forming ions to heterogeneously nucleate into suspended particles on the bubble surface, which then flow in the water. Simultaneously, the system monitors the inlet and outlet water temperature difference in real time to assess heat exchange efficiency, monitors the conductivity value to reflect water hardness and scale-forming ion concentration, and monitors the turbidity value to indicate the content of suspended particulate matter in the water. Comprehensive analysis of these parameters can more accurately determine the degree of scale accumulation on the surface of the heat exchange elements and the trend of water quality deterioration. When the combined value or trend of these parameters meets preset triggering conditions, such as a significant decrease in water temperature difference, an increase in conductivity value, or an abnormal increase in turbidity value, the system will precisely initiate a directional acoustic stripping operation to remove the scale layer attached to the surface of the heat exchange elements. Subsequently, scale-containing wastewater is discharged through the drain outlet, thereby achieving effective treatment of scale in the trailer pump cooling water. This multi-parameter collaborative monitoring method makes the triggering of scale removal operations more intelligent and precise, avoiding unnecessary processing and ensuring timely intervention when necessary to maintain the system's optimal operating state.

[0063] Based on the same technical concept, in a second aspect, the present invention also proposes a trailer pump cooling water scale treatment device, which is used to treat the scale layer in the trailer pump cooling water circulation system. The trailer pump cooling water circulation system includes a heat exchange element, the outer periphery of which is in contact with the circulating cooling water, and the trailer pump cooling water circulation system is provided with multiple spaced drain outlets. The scale treatment device for the cooling water of the trailer pump includes: The micro-nano bubble cluster manufacturing module is used to continuously inject micro-nano bubble clusters into the circulating cooling water when the trailer pump cooling water circulation system is in operation, so that scale-forming ions in the circulating cooling water heterogeneously nucleate into suspended particles on the surface of each bubble cluster. The parameter acquisition module is used to acquire the real-time heat exchange performance parameters of the trailer pump cooling water circulation system. A directional acoustic flow output module is used to peel off the scale layer attached to the surface of the heat exchange element by using directional acoustic flow when the real-time heat exchange performance parameters meet the preset trigger conditions. The scale removal module is used to discharge scale-containing wastewater through the drain port in a preset sequence to complete the scale removal operation of the trailer pump cooling water.

[0064] Specifically, the scale removal device for trailer pump cooling water includes a micro-nano bubble cluster manufacturing module, a parameter acquisition module, a directional acoustic flow output module, and a scale discharge module. The micro-nano bubble cluster manufacturing module continuously injects micro-nano bubbles into the circulating cooling water during operation, causing scale-forming ions in the circulating cooling water to heterogeneously nucleate into suspended particles on the bubble cluster surface, thereby inhibiting direct scale deposition on the heat exchange element surface from the source. The parameter acquisition module collects real-time heat exchange performance parameters of the trailer pump cooling water circulation system to dynamically monitor the changing trend of system heat exchange efficiency. When the real-time heat exchange performance parameters meet preset trigger conditions, the directional acoustic flow output module generates a directional acoustic flow to peel off the scale layer adhering to the heat exchange element surface, realizing online descaling during system operation. The scale discharge module discharges scale-containing wastewater through the drain outlet in a preset sequence, ensuring that the peeled scale and suspended particles are completely removed from the system.

[0065] In this embodiment, by combining the micro-nano bubble cluster manufacturing module and the directional acoustic flow output module in a collaborative manner, and introducing a real-time monitoring mechanism from the parameter acquisition module, the scale formation mechanism is actively altered and online removal is achieved while the cooling water circulation system of the trailer pump is in operation. The micro-nano bubble cluster continuously injected by the micro-nano bubble cluster manufacturing module provides a large number of heterogeneous nucleation sites for scale-forming ions, causing calcium, magnesium, and other scale-forming ions to preferentially crystallize on the bubble surface to form suspended particles, rather than adhering to the surface of the heat exchange element, fundamentally reducing the scaling rate. The parameter acquisition module continuously monitors real-time heat exchange performance parameters, enabling accurate assessment of the system's scaling status and avoiding the blindness of periodic shutdowns for cleaning or fixed-cycle chemical dosing in existing technologies. When the monitoring data reaches a preset threshold, the directional acoustic flow output module is immediately activated, generating a directional acoustic flow that impacts the surface of the heat exchange element with specific energy, efficiently removing the thin layer of scale formed in the early stages, without interrupting system operation. The scale discharge module ensures that scale-containing wastewater is systematically discharged through a preset discharge sequence, preventing scale redeposition.

[0066] The above description is merely an exemplary embodiment of the present invention and does not limit the scope of the present invention. Any equivalent structural transformations made based on the technical concept of the present invention and the contents of the specification and drawings of the present invention, or direct / indirect applications in other related technical fields, are included within the protection scope of the present invention.

Claims

1. A method for treating scale buildup in the cooling water of a trailer pump, characterized in that, The method for treating scale in the cooling water of a trailer pump is used to treat the scale layer in the cooling water circulation system of the trailer pump. The cooling water circulation system of the trailer pump includes a heat exchange element, the outer periphery of which is in contact with the circulating cooling water, and the cooling water circulation system of the trailer pump is provided with multiple drain outlets spaced apart. The method for treating scale buildup in the cooling water of the trailer pump includes the following steps: When the trailer pump cooling water circulation system is in operation, micro-nano bubble clusters are continuously injected into the circulating cooling water so that scale-forming ions in the circulating cooling water heterogeneously nucleate into suspended particles on the surface of each bubble cluster. Real-time heat exchange performance parameters of the trailer pump cooling water circulation system are collected. When the real-time heat exchange performance parameters meet the preset triggering conditions, the scale layer attached to the surface of the heat exchange element is peeled off by directional acoustic flow. According to a preset sequence, scale-containing wastewater is discharged through the drain outlet to complete the scale removal operation of the trailer pump cooling water.

2. The method for treating scale buildup in the cooling water of a trailer pump as described in claim 1, characterized in that, The step of continuously injecting micro-nano bubble clusters into the circulating cooling water when the trailer pump cooling water circulation system is in operation, so that scale-forming ions in the circulating cooling water heterogeneously nucleate into suspended particles on the surface of each bubble cluster, includes: When the trailer pump cooling water circulation system is in operation, micro-nano bubble clusters with a target diameter are continuously injected into the circulating cooling water so that scale-forming ions in the circulating cooling water heterogeneously nucleate on the surface of each bubble cluster into suspended particles; wherein, the target diameter is A, 0.8 micrometers ≤ A ≤ 8 micrometers.

3. The method for treating scale buildup in the cooling water of a trailer pump as described in claim 2, characterized in that, The volume fraction of the micro-nano bubble cluster is B, and the flow rate of the circulating cooling water in the trailer pump cooling water circulation system is C, where 0.3%C≤B≤1.2%C.

4. The method for treating scale buildup in the cooling water of a trailer pump as described in claim 3, characterized in that, The step of continuously injecting micro-nano bubble clusters with a target diameter into the circulating cooling water while the trailer pump cooling water circulation system is in operation, so that scale-forming ions in the circulating cooling water heterogeneously nucleate into suspended particles on the surface of each bubble cluster, includes: In a Venturi tube heat exchanger, the micro-nano bubble clusters are generated using ultrasonic cavitation equipment or a motor generator.

5. The method for treating scale buildup in the cooling water of a trailer pump as described in claim 1, characterized in that, The step of using directional acoustic flow to peel off the scale layer adhering to the surface of the heat exchange element when the real-time heat exchange performance parameters meet the preset trigger conditions includes: When the real-time heat exchange performance parameters meet the preset trigger conditions, the preset ultrasonic transducer array generates the directional acoustic flow at a preset operating frequency and preset sound intensity, so that the directional acoustic flow peels off the scale layer attached to the surface of the heat exchange element; wherein, the preset operating frequency is 18kHz-40kHz, and the preset sound intensity is 0.3W / cm²-1.2W / cm².

6. The method for treating scale buildup in the cooling water of a trailer pump as described in claim 5, characterized in that, The preset ultrasonic transducer array is a phased array ultrasonic transducer.

7. The method for treating scale buildup in the cooling water of a trailer pump as described in claim 6, characterized in that, The step of generating a directional acoustic flow using a preset ultrasonic transducer array at a preset operating frequency and preset sound intensity when the real-time heat exchange performance parameters meet preset trigger conditions, so as to remove the scale layer attached to the surface of the heat exchange element by the directional acoustic flow, includes: When the real-time heat exchange performance parameters meet the preset triggering conditions, the directional acoustic flow is generated using a preset ultrasonic transducer array at a preset operating frequency and preset sound intensity. The directional acoustic stream is controlled to impact the outer surface of the heat exchange element vertically or obliquely, and to peel off the scale layer attached to the surface of the heat exchange element.

8. The method for treating scale buildup in the cooling water of a trailer pump as described in claim 7, characterized in that, The step of controlling the directional acoustic flow to impact the outer surface of the heat exchange element vertically or obliquely, and peeling off the scale layer adhering to the surface of the heat exchange element, includes: The directional acoustic stream is controlled to impact the outer surface of the heat exchange element vertically or obliquely for a preset duration to peel off the scale layer attached to the surface of the heat exchange element; wherein the preset duration is 60-180 seconds.

9. The method for treating scale buildup in the cooling water of a trailer pump as described in claim 1, characterized in that, The real-time heat exchange performance parameters include the inlet and outlet water temperature difference, conductivity, and turbidity of the circulating cooling water in the trailer pump cooling water circulation system.

10. A device for treating scale buildup in cooling water of a trailer pump, characterized in that, The trailer pump cooling water scale treatment device is used to treat the scale layer in the trailer pump cooling water circulation system. The trailer pump cooling water circulation system includes a heat exchange element. The outer periphery of the heat exchange element is in contact with the circulating cooling water. The trailer pump cooling water circulation system is provided with multiple spaced drain outlets. The scale treatment device for the cooling water of the trailer pump includes: The micro-nano bubble cluster manufacturing module is used to continuously inject micro-nano bubble clusters into the circulating cooling water when the trailer pump cooling water circulation system is in operation, so that scale-forming ions in the circulating cooling water heterogeneously nucleate into suspended particles on the surface of each bubble cluster. The parameter acquisition module is used to acquire the real-time heat exchange performance parameters of the trailer pump cooling water circulation system. A directional acoustic flow output module is used to peel off the scale layer attached to the surface of the heat exchange element by using directional acoustic flow when the real-time heat exchange performance parameters meet the preset trigger conditions. The scale removal module is used to discharge scale-containing wastewater through the drain port in a preset sequence to complete the scale removal operation of the trailer pump cooling water.

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