Ultrasonic decontamination device for pipeline welding seam

Abstract

The utility model relates to the field of pipeline decontamination, and provides a pipeline weld joint ultrasonic decontamination device which comprises an ultrasonic generator and a control module. The ultrasonic generator is used for being attached to the position, close to a weld joint, of the periphery of the pipeline. And the control module is in communication connection with the ultrasonic generator. According to the scheme, ultrasonic waves are adopted to decontaminate the pipeline weld joints, the structure is simple, operation is convenient, the modular design enables equipment to operate more conveniently, the device can be suitable for complex working conditions such as pipeline weld joint decontamination at the dense positions of pipelines, ultrasonic decontamination can directly act on the interiors of the pipelines, the pipeline weld joint ultrasonic decontamination efficiency is improved, and the pipeline weld joint decontamination efficiency is improved. And the workload and radiation dose of workers are reduced.

Description

Technical Field

[0001] This utility model relates to the field of pipeline cleaning, and in particular to an ultrasonic cleaning device for pipeline welds. Background Technology

[0002] During the long-term operation of a nuclear power plant, radioactive material can gradually accumulate in some pipelines due to the release of radioactive materials and the physicochemical effects of the fluids within the pipelines. This is especially true at pipeline welds, where the relatively rough inner walls and lack of smooth metal surfaces make these areas more prone to adsorption and accumulation of radioactive materials. This not only increases the difficulty of pipeline maintenance and repair but also exposes related work to higher radiation risks, particularly in areas with radiation hotspots and heat pipe sections.

[0003] Existing technologies typically employ rinsing methods to clean weld seams, which are difficult to achieve satisfactory decontamination results. Existing traditional decontamination methods are ineffective and incomplete in removing radioactive material deposits from pipeline weld seams, and are cumbersome, inefficient, and risky, failing to fully meet the actual needs of nuclear power plant operation and safety maintenance. Utility Model Content

[0004] In view of the shortcomings of the prior art described above, the purpose of this utility model is to propose an ultrasonic cleaning device for pipe welds to improve the cleaning effect at pipe welds.

[0005] To achieve the above and other related objectives, this utility model proposes an ultrasonic cleaning device for pipe welds, comprising:

[0006] An ultrasonic generator is used to fit the outer periphery of the pipe near the weld, and the ultrasonic generator is configured to emit ultrasonic waves toward the weld.

[0007] The control module is communicatively connected to the ultrasonic generator.

[0008] In one specific embodiment of this utility model, at least two ultrasonic generators are provided, and the two ultrasonic generators are respectively used to be installed on both sides of the weld.

[0009] In one specific embodiment of this utility model, the ultrasonic generator is provided with a clamp for holding the outer periphery of the pipe.

[0010] In one specific embodiment of this utility model, the clamp includes two halves, which surround the pipe. One end of each half is connected to the ultrasonic generator, and the ends of the two halves away from the ultrasonic generator are detachably connected to each other.

[0011] In one specific embodiment of this utility model, the clamp is an adjustable ring clamp.

[0012] In one specific embodiment of this utility model, the control module is configured to control the frequency and power of the ultrasonic waves emitted by the ultrasonic generator.

[0013] In one specific embodiment of this utility model, a pressure sensor is provided on the inner side of the clamp.

[0014] In one specific embodiment of this utility model, the pressure sensor is communicatively connected to the control module.

[0015] In one specific embodiment of this utility model, at least two pressure sensors are provided on the same clamp, and the two pressure sensors are arranged symmetrically.

[0016] In one specific embodiment of this utility model, a waveguide is provided between the clamp and the ultrasonic generator, and the waveguide is made of waveguide material.

[0017] This utility model proposes an ultrasonic cleaning device for pipe welds. The above solution uses ultrasound to clean pipe welds. It has a simple structure, is easy to operate, and the modular design makes the equipment more convenient to operate. It can be applied to more complex working conditions, such as cleaning pipe welds in densely packed pipes. Ultrasonic cleaning can directly act on the inside of the pipe, improving the efficiency of ultrasonic cleaning of pipe welds and reducing the workload and radiation dose of workers. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the ultrasonic cleaning device for pipe welds in a specific embodiment of the present invention;

[0020] Figure 2 This is a three-dimensional schematic diagram of the installation position of the ultrasonic cleaning device for pipe welds in a specific embodiment of this utility model;

[0021] Figure 3 This is a schematic diagram showing two installation positions of the weld cleaning device in a specific embodiment of this utility model;

[0022] Figure 4 This is a flowchart of an ultrasonic cleaning method for pipe welds in a specific embodiment of this utility model.

[0023] Explanation of reference numerals in the attached drawings: 10, ultrasonic generator; 20, control module; 30, fixture. Detailed Implementation

[0024] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model. It should be noted that, unless otherwise specified, the following embodiments and features described therein can be combined with each other.

[0025] It should be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of the present invention. Therefore, the illustrations only show the components related to the present invention and are not drawn according to the number, shape and size of the components in actual implementation. In actual implementation, the form, quantity and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex.

[0026] To reduce radiation exposure for workers and maintain the normal operation of piping systems, nuclear power plants typically employ certain decontamination measures. However, traditional decontamination methods, such as wiping with contaminated liquids, mechanical polishing, and chemical decontamination, have limitations, especially when dealing with deposits in pipe welds. Specifically:

[0027] Sludge wiping method: This method relies on manual operation, using sludge or cleaning solution to wipe the inner wall of the pipe. However, due to the roughness of the inner wall of the pipe, especially at the weld seams, and the poor fluidity of the sludge, it is difficult to completely remove deposited radioactive materials.

[0028] Mechanical grinding: This method uses mechanical equipment to grind the inner wall of the pipe to remove deposits, but it is particularly difficult for welded areas. Due to their complex geometry and rough surface, welds are difficult to clean thoroughly with mechanical grinding. Furthermore, mechanical grinding can damage the pipe surface and even lead to the decommissioning of equipment.

[0029] Chemical decontamination: Chemical cleaning agents remove radioactive materials from pipelines by dissolving deposits. This method can be effective, but due to the special nature of nuclear power plants, the use of chemical cleaning agents is subject to strict safety regulations. Furthermore, chemical decontamination may be less effective than expected when treating deposits in pipeline welds, and chemical cleaning agents may react with substances in other pipeline systems, creating safety hazards.

[0030] Pipeline radiation hotspots and hot pipe sections in nuclear power plants are key areas for on-site radiation protection and risk control. In accordance with the ALARA (Minimize Radiation Dose) principle, nuclear power plants employ measures such as isolation and warning, shielding, and decontamination when dealing with radiation hotspots to ensure effective control of radiation dose. Decontamination is a common method for reducing radiation dose, and pipeline flushing, as one of the most convenient and widely used decontamination techniques, is extensively used in nuclear power plant pipeline decontamination work.

[0031] However, while pipe flushing is a common decontamination method, its effectiveness is often inconsistent. Especially when using gravity flushing, limitations such as water flow velocity and pressure make it difficult to fully remove radioactive material deposits from the pipe's inner wall. In some critical pipe sections and welds, where deposits are highly adhesive, gravity flushing often fails to effectively remove them, resulting in poor decontamination and potentially requiring repeated operations. This not only increases the operational difficulty but may also increase radiation exposure for workers.

[0032] Therefore, existing traditional decontamination methods are difficult to effectively and comprehensively remove radioactive material deposits from pipeline welds, and are cumbersome, inefficient, and risky, failing to fully meet the actual needs of nuclear power plant operation and safety maintenance.

[0033] To solve the above technical problems, such as Figure 1-3 As shown, this utility model provides an ultrasonic cleaning device for pipe welds, comprising:

[0034] An ultrasonic generator 10 is used to contact the outer circumference of the pipe near the weld. The ultrasonic generator 10 is one of the core components of this device, primarily used to generate ultrasonic waves and apply them to the pipe weld area through a specific transmission method. Its working principle is to generate high-frequency sound waves through oscillation, converting mechanical energy into ultrasonic energy, which is then applied to the area to be cleaned (the weld). The ultrasonic generator 10 typically includes modules such as a transmitter, regulator, and sensor, and can adjust the output frequency and power as needed. The function of the ultrasonic generator 10 is to directly transmit ultrasonic signals to the area of ​​contaminant deposits near the pipe weld. By transmitting high-frequency vibrations, the ultrasonic waves induce cavitation in the liquid. The explosive rupture of these cavitation bubbles generates a powerful impact force, effectively stripping away deposits, especially effective for hard-to-clean weld areas. The powerful vibration of the ultrasonic waves overcomes the limitations of traditional cleaning methods, achieving deep cleaning.

[0035] The ultrasonic generator 10 is configured to emit ultrasonic waves toward the weld. To improve cleaning efficiency, the device is designed to ensure that the energy of the ultrasonic waves is concentrated on the weld area, as the weld area is typically where dirt and deposits are most likely to accumulate.

[0036] The control module 20 is communicatively connected to the ultrasonic generator 10. In the ultrasonic cleaning device for pipe welds of this invention, the control module 20 is the core control component of the entire system, playing a role in coordinating various components, executing operating commands, and monitoring the working status. The design of the control module 20 includes several important sub-modules to ensure that the ultrasonic cleaning device can operate under efficient and safe conditions. The control module 20 includes a power supply module, a controller module, and an ultrasonic signal module.

[0037] The power module is the energy supply unit for the entire system, responsible for providing stable power support to all subsystems. This module uses a 24V AC power supply, ensuring the system operates under efficient and stable conditions. The AC power supply was selected to meet the system's requirements for power stability and voltage, while also being adaptable to different power environments. To enhance system safety, the power module also features an emergency stop switch. In case of an emergency, operators can quickly cut off the power supply and stop the entire system from operating. The emergency stop switch ensures immediate cessation of operation in the event of equipment failure, operational errors, or dangerous situations, preventing equipment damage or personal injury.

[0038] The controller module is the brain of the entire system. It receives commands from the operator via the control panel, converts these commands into electrical signals, and transmits them to the ultrasonic signal module. The controller module coordinates the various components, ensuring that operations such as ultrasonic wave release and frequency adjustment are performed according to the predetermined plan. It converts operation commands (such as start / stop and frequency setting) from the control panel into corresponding electrical signals and then transmits these signals to the appropriate execution modules (such as the ultrasonic signal module), ensuring that each module executes its functions accurately.

[0039] The ultrasonic signal module is a key component of the system. It receives electrical signals from the controller module and converts them into signals required by the ultrasonic generator 10. The signal module ensures that control commands are accurately and promptly transmitted to the ultrasonic generator 10, thereby enabling the control and regulation of the ultrasonic waves. The core function of the ultrasonic signal module is signal conversion; it converts electrical signals into signals that the ultrasonic generator 10 can receive and process. These signals include parameters such as the frequency, amplitude, and duration of the ultrasonic waves, which directly affect the cleaning effect.

[0040] The control panel serves as the interface between the user and the equipment, and is the primary tool for operators to issue commands and receive feedback. Through the control panel, operators can easily make settings adjustments, monitor equipment status in real time, and operate the system as needed. Operators can issue various operating commands through the control panel, such as starting and stopping the ultrasonic generator 10, adjusting the frequency or power, and switching between different working modes. Control panels typically employ a touchscreen or button design, making them simple and easy to use. The control panel not only receives input commands but also displays the system's operating status in real time, including the current operating frequency, power setting, and ultrasonic signal status. This data allows operators to intuitively understand the equipment's working condition, ensuring the smooth operation of the entire cleaning process.

[0041] like Figure 1-3 As shown, at least two ultrasonic generators 10 are provided. Pipe welds typically exhibit significant roughness and irregularities during the welding process. This irregularity makes direct contact between the ultrasonic generator 10 and the weld surface difficult, potentially affecting the transmission efficiency and effectiveness of the ultrasonic waves. Arranging two ultrasonic generators 10 on opposite sides of the weld avoids this problem. Since ultrasonic waves propagate through a medium, the energy of the ultrasonic generator 10 does not depend on direct contact with the weld surface. The ultrasonic signal can propagate through the surrounding medium (such as water or other liquids) and act on the weld surface. This arrangement effectively bypasses the roughness of the weld surface, ensuring that ultrasonic energy is transmitted evenly and sufficiently to the weld area. The ultrasonic generators 10 clean the weld from both sides, and through multi-angle and multi-directional propagation, the ultrasonic waves can act more deeply and evenly on the weld surface, thereby improving the efficiency of decontamination.

[0042] like Figure 1 , 2 As shown, the ultrasonic generator 10 is equipped with a clamp 30 for holding the outer circumference of the pipe. Ultrasonic cleaning or treatment technology requires sufficiently stable contact and energy transfer between the ultrasonic generator 10 and the object being treated. The function of the clamp 30 is to provide continuous pressure during this process, ensuring stable contact between the ultrasonic generator 10 and the pipe surface (especially the outer circumference), thereby achieving optimal energy transfer. Ultrasonic treatment often requires high precision and consistency, especially in complex pipe cleaning or welding. The application of the clamp 30 ensures the precise positioning of the ultrasonic generator 10, avoiding possible displacement or loosening of the equipment during operation, and improving operational accuracy.

[0043] like Figure 1 , 2As shown, the clamp 30 includes two halves that surround the pipe. One end of each half is connected to the ultrasonic generator 10, and the ends of the two halves away from the ultrasonic generator 10 form a detachable connection. This detachable connection design allows the clamp 30 to be easily installed and removed. Operators can quickly install and remove the clamp 30 as needed, adapting to pipes of different diameters or shapes. During pipe cleaning or welding, the pipe dimensions may change; therefore, the detachable design provides the clamp 30 with greater versatility and flexibility. The detachable connection reduces the complexity of manual operation and avoids the need for special tools to operate the clamp 30. Disassembly methods are typically designed as snap-fit, threaded, or spring-loaded, facilitating quick installation and removal and improving work efficiency.

[0044] In one specific embodiment of this utility model, the clamp 30 is an adjustable annular clamp 30. The adjustable annular clamp 30 can adapt to pipes of different diameters by adjusting its size or shape. The adjustment mechanism can be in the form of threaded, spring, hydraulic, or mechanical adjustment. This allows the clamp 30 to apply pressure evenly around the outer circumference of the pipe, ensuring sufficient contact area between the ultrasonic generator 10 and the pipe surface. The design of the annular clamp 30 ensures that the clamping force is evenly distributed around the outer circumference of the pipe, thereby avoiding the problem of excessive or insufficient local pressure on the clamp 30. Through the annular structure, the clamp 30 can evenly surround the pipe, avoiding displacement or instability, and ensuring efficient transmission of ultrasonic energy.

[0045] In one specific embodiment of this utility model, the control module 20 is configured to control the frequency and power of the ultrasonic waves emitted by the ultrasonic generator 10. The frequency of the ultrasonic waves directly affects their transmission efficiency and effectiveness. Different frequencies of ultrasonic waves may be required in different application scenarios. For example, high-frequency ultrasonic waves are suitable for fine cleaning, while low-frequency ultrasonic waves are suitable for removing more stubborn dirt or performing more powerful welding. Therefore, the control module 20 can adjust the frequency of the ultrasonic generator 10 according to actual needs to adapt to different cleaning, welding, or processing tasks. The adjustment of power determines the intensity and depth of influence of the ultrasonic waves. In some cleaning applications, lower power is sufficient to effectively clean surface dirt, while higher power may be more suitable for welding or removing difficult-to-remove dirt. By adjusting the power, the control module 20 can ensure that the ultrasonic generator 10 operates at an appropriate power, thereby avoiding excessive or insufficient energy output.

[0046] In one specific embodiment of this utility model, a pressure sensor is provided on the inner side of the clamp 30. The pressure sensor directly measures the contact pressure between the clamp 30 and the outer wall of the pipe, avoiding the problems of traditional clamps being too loose (leading to poor contact and ultrasonic energy loss) or too tight (damaging the pipe surface) due to manual tightening.

[0047] In one specific embodiment of this utility model, the pressure sensor is communicatively connected to the control module 20. Based on parameters such as pipe material and thickness, the control module 20 can automatically match the optimal clamping force threshold (e.g., lower pressure for soft materials and higher pressure for hard materials) to ensure efficient transmission of ultrasonic energy.

[0048] In one specific embodiment of this utility model, at least two pressure sensors are provided on the same clamp 30, and the two pressure sensors are symmetrically arranged. The symmetrically arranged sensors can detect whether the pressure on both sides of the clamp 30 is uniform (especially suitable for bends or irregularly shaped pipes), avoiding local deformation of the pipe due to excessive pressure on one side.

[0049] In one specific embodiment of this utility model, a waveguide is provided between the clamp 30 and the ultrasonic generator 10, and the waveguide is made of waveguide material. Through the geometry (e.g., conical, stepped) and material properties (high acoustic impedance matching) of the waveguide, ultrasonic energy is concentrated and guided to the weld area, reducing scattering loss. The waveguide material (e.g., the acoustic velocity characteristics of titanium alloy) can adjust the ultrasonic frequency to resonate with the pipe material (e.g., the acoustic characteristics of carbon steel), enhancing cavitation effect and decontamination effect. As a physical isolation layer, the waveguide absorbs mechanical vibrations between the clamp and the ultrasonic generator, preventing high-frequency vibration transmission from causing clamp loosening or sensor failure.

[0050] like Figure 4 As shown, this utility model also proposes an ultrasonic decontamination method for pipe welds, which uses an ultrasonic decontamination device for pipe welds, the ultrasonic decontamination device including an ultrasonic generator 10, and includes the following steps:

[0051] S1. Obtain the thickness, diameter, and material of the pipe. The purpose is to set appropriate ultrasonic processing parameters based on these parameters. Different pipe thicknesses, materials (such as carbon steel, stainless steel, aluminum alloy, etc.), and diameters will affect the transmission efficiency and effectiveness of the ultrasonic waves. Therefore, correctly acquiring this basic information is fundamental to ensuring precise control of subsequent steps. Different pipes respond differently to ultrasonic waves during cleaning. For example, thicker pipes require higher power to penetrate the thickness and reach the weld, while harder pipes may require different frequencies to ensure more effective cleaning. By selectively acquiring these parameters, the system can precisely adjust the ultrasonic operating parameters according to the specific characteristics of each type of pipe.

[0052] S2. Select the ultrasonic power and frequency based on the pipe's thickness, diameter, and material. The pipe's thickness, diameter, and material directly affect the propagation characteristics of ultrasonic waves. Selecting appropriate ultrasonic power and frequency based on these factors ensures that ultrasonic waves can be efficiently transmitted to the weld area, avoiding energy waste or insufficiency. Thicker pipes require higher power and lower frequencies to ensure that ultrasonic waves can penetrate the pipe wall and effectively act on the weld. Larger pipe diameters require higher power to cover a larger surface area, while smaller pipe diameters can use lower power and higher frequencies to ensure more precise energy concentration. Different materials reflect and absorb ultrasonic waves to varying degrees. Hard materials such as stainless steel may require higher power and lower frequencies, while softer materials may only require lower power to achieve a cleaning effect. Selecting appropriate power and frequency ensures that ultrasonic waves can effectively act on the weld of the pipe, removing oxides, dirt, and other contaminants, avoiding unsatisfactory results due to improper ultrasonic parameter settings.

[0053] S3. Obtain the pipe diameter selection clamp 30 and attach the ultrasonic generator 10 to the outer peripheral wall of the pipe near the weld. By selecting a suitable clamp 30 to tightly attach the ultrasonic generator 10 to the outer peripheral wall of the pipe and ensuring its proximity to the weld, the ultrasonic energy can be concentrated in the weld area, maximizing the cleaning effect. This step not only ensures the stability of the equipment but also the accuracy of the ultrasonic action.

[0054] like Figure 1 As shown, when there is a weld seam in a straight pipe structure, the two ultrasonic generators 10 are placed on both sides of the weld seam along its axial direction. Placing the two ultrasonic generators 10 on both sides of the weld seam ensures uniform cleaning at both ends. By precisely fitting the ultrasonic generators 10 to the weld seam of the pipe and ensuring that both sides of the weld seam are exposed to ultrasonic energy, a highly efficient and uniform decontamination effect can be achieved.

[0055] like Figure 2 As shown, when the pipeline has two welds at a bend, one ultrasonic generator 10 is attached to the pipeline between the two welds, and two ultrasonic generators 10 are placed on the side of one weld away from the other. Placing one ultrasonic generator 10 in the pipeline area between the two welds and the other two ultrasonic generators 10 on the side of one weld away from the other ensures effective cleaning of the welds at the bend. This directional adjustment for different pipeline structures allows the system to flexibly adapt to the pipeline shape, thereby maximizing the cleaning effect and avoiding incomplete cleaning in certain areas.

[0056] S4. Start the ultrasonic generator 10 according to the ultrasonic power and frequency. The ultrasonic generator 10 emits ultrasonic waves towards the weld, performing the cleaning operation according to the power and frequency set in step S2. The high-frequency sound waves generate tiny oscillations and bubbles (cavitation effect) on the pipe surface, effectively removing dirt, oxides, and deposits from the pipe surface and weld area. Starting the ultrasonic generator 10 according to the selected power and frequency ensures effective cleaning while avoiding energy waste or incomplete cleaning due to excessive power or insufficient frequency.

[0057] In summary, this utility model proposes an ultrasonic decontamination device for pipeline welds. This device employs a simple and efficient design, eliminating complex and redundant components to ensure stability and reliability. The simplified structure makes maintenance and upkeep easier, reducing the failure rate and improving long-term operational reliability. The user-friendly interface and clear operating procedures allow operators to quickly master and apply the device. Especially in complex conditions such as nuclear power plants, ease of operation effectively reduces operational errors and improves safety and decontamination efficiency. The core advantage of the modular design lies in its flexibility and scalability. Each module can be adjusted and replaced according to different working conditions and needs, reducing downtime and maintenance costs. Different modules can be quickly configured according to different pipeline sizes, complexity, and cleaning requirements, making the device easier to operate and maintain, and more adaptable. Ultrasonic decontamination technology can directly act on the inside of the pipeline, using the cavitation effect generated by the high-frequency vibration of ultrasound to quickly and effectively strip and remove radioactive materials from the inner wall of the pipeline. Compared with traditional flushing and chemical decontamination methods, ultrasonic decontamination can penetrate every detail of the pipeline's inner wall, especially hard-to-clean weld areas. Traditional decontamination methods are often limited by the location of pipelines, the surrounding environment, and the complexity of pipeline structures. This is especially true in densely populated facility areas like nuclear power plants, where pipeline layouts are typically complex and make comprehensive and effective cleaning difficult.

[0058] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

[0059] Throughout this description, numerous specific details, such as examples of components and / or methods, are provided to provide a complete understanding of embodiments of the present invention. However, those skilled in the art will recognize that embodiments of the present invention may be practiced without one or more of these specific details or by other devices, systems, components, methods, parts, materials, components, etc. In other instances, well-known structures, materials, or operations have not been specifically shown or described in detail to avoid obscuring aspects of embodiments of the present invention.

[0060] Throughout this specification, references to "an embodiment," "an embodiment," or "a specific embodiment" mean that a particular feature, structure, or characteristic described in connection with an embodiment is included in at least one embodiment of the present invention, but not necessarily in all embodiments. Therefore, the various representations of the phrases "in one embodiment," "in an embodiment," or "in a specific embodiment" in different places throughout the specification do not necessarily refer to the same embodiment. Furthermore, a particular feature, structure, or characteristic of any specific embodiment of the present invention can be combined with one or more other embodiments in any suitable manner. It should be understood that other variations and modifications of the embodiments of the present invention described and illustrated herein may be based on the teachings herein and will be considered part of the spirit and scope of the present invention.

[0061] It should also be understood that one or more of the elements shown in the figures may be implemented in a more separate or more integrated manner, or may even be removed because they are inoperable in certain circumstances or provided because they may be useful for a particular application.

[0062] Furthermore, unless otherwise expressly stated, any arrows in the accompanying drawings should be considered illustrative only and not limiting. Additionally, unless otherwise stated, the term "or" as used herein is generally intended to mean "and / or". Where a term is anticipated to provide a separation or combination capability that is unclear, a combination of components or steps will also be considered as indicated.

[0063] As used herein and throughout the claims below, unless otherwise specified, “a” and “the” include the plural references. Similarly, as used herein and throughout the claims below, unless otherwise specified, “in” means “in” and “on”.

[0064] The above description of the embodiments shown in this utility model (including the content set forth in the abstract of the specification) is not intended to be an exhaustive enumeration or to limit the utility model to the precise forms disclosed herein. Although specific embodiments and examples of the utility model have been described herein for illustrative purposes only, various equivalent modifications are possible within the spirit and scope of the utility model, as will be recognized and understood by those skilled in the art. As indicated, these modifications can be made to the utility model in accordance with the above description of the embodiments described herein, and such modifications will be within the spirit and scope of the utility model.

[0065] This document has generally described the systems and methods in detail to aid in understanding the present invention. Furthermore, various specific details have been set forth to provide a general understanding of embodiments of the present invention. However, those skilled in the art will recognize that embodiments of the present invention can be practiced without one or more specific details, or using other devices, systems, accessories, methods, components, materials, parts, etc. In other instances, well-known structures, materials, and / or operations have not been specifically shown or described in detail to avoid obscuring aspects of embodiments of the present invention.

[0066] Therefore, although the present invention has been described herein with reference to specific embodiments thereof, freedom of modification, various changes and substitutions are also within the scope of the above disclosure, and it should be understood that in some cases, certain features of the present invention may be adopted without departing from the scope and spirit of the invention and without corresponding use of other features. Thus, many modifications can be made to adapt a particular environment or material to the essential scope and spirit of the present invention. The present invention is not intended to be limited to the specific terms used in the following claims and / or the specific embodiments disclosed as the best mode of carrying out the present invention, but the present invention will include any and all embodiments and equivalents falling within the scope of the appended claims. Therefore, the scope of the present invention will be determined only by the appended claims.

Claims

1. An ultrasonic cleaning device for pipe welds, characterized in that, include: An ultrasonic generator is used to fit the outer periphery of the pipe near the weld, and the ultrasonic generator is configured to emit ultrasonic waves toward the weld. The control module is communicatively connected to the ultrasonic generator.

2. The ultrasonic cleaning device for pipe welds according to claim 1, characterized in that, At least two ultrasonic generators are provided, and the two ultrasonic generators are respectively used to be installed on both sides of the weld.

3. The ultrasonic cleaning device for pipe welds according to claim 1, characterized in that, The ultrasonic generator is equipped with a clamp for holding the outer periphery of the pipe.

4. The ultrasonic cleaning device for pipe welds according to claim 3, characterized in that, The clamp includes two halves that surround the pipe. One end of each half is connected to the ultrasonic generator, and the ends of the two halves away from the ultrasonic generator are detachably connected to each other.

5. The ultrasonic cleaning device for pipe welds according to claim 3, characterized in that, The clamp is an adjustable ring clamp.

6. The ultrasonic cleaning device for pipe welds according to claim 1, characterized in that, The control module is configured to control the frequency and power of the ultrasonic waves emitted by the ultrasonic generator.

7. The ultrasonic cleaning device for pipe welds according to claim 3, characterized in that, A pressure sensor is installed on the inside of the clamp.

8. The ultrasonic cleaning device for pipe welds according to claim 7, characterized in that, The pressure sensor is communicatively connected to the control module.

9. The ultrasonic cleaning device for pipe welds according to claim 7, characterized in that, At least two pressure sensors are provided on the same fixture, and the two pressure sensors are arranged symmetrically.

10. The ultrasonic cleaning device for pipe welds according to claim 3, characterized in that, A waveguide is provided between the clamp and the ultrasonic generator, and the waveguide is made of waveguide material.

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