CN210754109U - Online ultrasonic decontamination device and system for pipeline - Google Patents

Abstract

The utility model discloses an online ultrasonic wave decontamination plant of pipeline for install on the outer wall of pipeline in order to carry out online decontamination to the inside of pipeline, online ultrasonic wave decontamination plant of pipeline is including installing the base, transducer and waveguide, set up the mounting hole that runs through its upper surface and lower surface on the installation base, the mounting hole is located to transducer and waveguide top-down, the upper end of waveguide is connected with the output of transducer, the input of transducer is used for with outside supersonic generator electric connection, installation pedestal mounting is when the pipeline, the lower extreme of waveguide and the outer wall contact of pipeline. Additionally, the utility model also discloses an online ultrasonic wave decontamination system of pipeline. The utility model uses ultrasonic wave to decontaminate the pipeline, and the decontamination effect is good; moreover, the utility model discloses need not to disintegrate the pipeline off-line alright decontaminate to pipeline inside, can not influence pipe-line system's normal operating, realized the online decontamination of pipeline.

Description

Online ultrasonic decontamination device and system for pipeline

Technical Field

The utility model relates to an ultrasonic decontamination technical field especially relates to an online ultrasonic decontamination device of pipeline and system.

Background

The pipeline conveying has the characteristics of safety, convenience, low cost and the like, and is widely applied to the fields of nuclear power, thermal power, seawater desalination, petrochemical industry, municipal administration, fire fighting and the like. As the media (water, oil and the like) conveyed by the pipeline usually contain impurities such as ions, silt, hydrogen sulfide, carbon dioxide and the like, the impurities are easy to accumulate and scale inside the pipeline along with the service life of the pipeline, so that the pipeline is blocked, the pipeline is locally corroded, even the pipeline is perforated and the like, and the safety of pipeline conveying is seriously affected. Especially in the nuclear power field, the pipeline is usually used for conveying radioactive liquid medium, and radioactive pollutants in the medium are easy to gather at dirt to form radiation hot spots, so that external irradiation damage is caused to maintainers.

At present, chemical decontamination, high-pressure water jet decontamination, mechanical decontamination and the like are mainly adopted for decontaminating the interior of the pipeline. The chemical decontamination technology has complex process, has corrosion hazard to the interior of the pipeline, and causes secondary pollution by chemical decontamination media; the high-pressure water jet decontamination technology has higher requirements on decontamination equipment and higher water consumption; the mechanical decontamination technology adopts a powerful pipe cleaner to decontaminate and descale the pipeline, the pipeline needs to be disintegrated, and the decontamination efficiency is low and the effect is poor. Moreover, the decontamination method needs to be performed when the pipeline is stopped, and online decontamination of the running pipeline cannot be performed.

The ultrasonic decontamination technology is a cleaning technology which utilizes the cavitation effect and the shearing effect of ultrasonic waves to act on the surface of a part to be decontaminated so as to remove dirt. Currently, ultrasonic decontamination technology is widely applied to a plurality of fields, and the decontamination of the surface of a part is mainly realized by immersing the part to be decontaminated in an ultrasonic decontamination tank. However, if the ultrasonic decontamination technology is applied to the internal decontamination of the pipeline, the pipeline needs to be dismantled and disassembled, the workload is large, the generation amount of secondary waste is large, and the online decontamination of the pipeline cannot be realized.

Therefore, it is desirable to provide an online ultrasonic pipeline decontamination device capable of decontaminating an operating pipeline to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can carry out online ultrasonic wave decontamination device of pipeline and system that decontaminates to the pipeline that is moving.

In order to realize the above-mentioned purpose, the utility model discloses an online ultrasonic wave decontamination plant of pipeline for install on the outer wall of pipeline in order to carry out online decontamination to the inside of pipeline, online ultrasonic wave decontamination plant of pipeline is including installation base, transducer and waveguide, set up the mounting hole that runs through its upper surface and lower surface on the installation base, the transducer with waveguide top-down locates the mounting hole, the upper end of waveguide with the output of transducer is connected, the input of transducer be used for with outside supersonic generator electric connection, the installation pedestal mounting is when the pipeline, the lower extreme of waveguide and the outer wall contact of pipeline.

Preferably, the lower surface of the mounting base is a curved surface, and the curvature of the lower surface of the mounting base matches the curvature of the pipeline.

Preferably, the hole wall of the mounting hole is provided with first threads, the outer wall of the transducer is provided with second threads, and the first threads are connected with the second threads in a matched mode.

Preferably, the online ultrasonic decontamination device of pipeline still includes fixed clamp, fixed clamp with the connection can be dismantled to the installation base, fixed clamp is used for the cover to establish in order with on the pipeline the installation base fastening is at the outer wall of pipeline.

Preferably, the mounting base is provided with a plurality of mounting holes side by side, and at least one of the mounting holes is provided with the transducer and the waveguide.

Preferably, the mounting base is a solid structure.

In order to realize the above object, the utility model also discloses an online ultrasonic wave decontamination system of pipeline, including supersonic generator and the online ultrasonic wave decontamination plant of pipeline, the online ultrasonic wave decontamination plant of pipeline is as above.

Preferably, the bottom of the ultrasonic generator is provided with a plurality of moving wheels.

Compared with the prior art, the utility model discloses an online ultrasonic decontamination device of pipeline includes installation base, transducer and waveguide, set up the mounting hole that runs through its upper surface and lower surface on the installation base, transducer and waveguide top-down install in the mounting hole, when the installation base is installed on the outer wall of pipeline, the lower extreme of waveguide contacts with the outer wall of pipeline, the ultrasonic wave mechanical shock signal of transducer output transmits to the pipeline through the waveguide, the dirt layer of the inner wall of pipeline drops and smashes under the combined action of the shearing effect of ultrasonic wave and cavitation effect, decontamination effect is good; moreover, the utility model discloses need not to disintegrate the pipeline off-line alright decontaminate the inside of pipeline, can not influence pipe-line system's normal operating, realized the online decontamination of pipeline.

Drawings

Fig. 1 is a schematic structural diagram of an on-line ultrasonic decontamination system for a pipeline according to an embodiment of the present invention when the system is installed on the pipeline.

Fig. 2 is a cross-sectional view of the online ultrasonic decontamination device for pipelines according to the embodiment of the present invention when the online ultrasonic decontamination device is installed on the pipelines.

Detailed Description

In order to explain technical contents, structural features, and effects achieved by the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.

In the description of the present invention, it should be understood that the terms "upper", "lower", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and thus, the present invention should not be construed as being limited to the protection of the present invention.

Please refer to fig. 1 and fig. 2, the utility model discloses an online ultrasonic decontamination system 100 of pipeline, a be used for installing on the outer wall of pipeline 200 in order to carry out online decontamination to the inside of pipeline 200, online ultrasonic decontamination system 100 of pipeline includes supersonic generator 1 and the online ultrasonic decontamination device of pipeline, online ultrasonic decontamination device of pipeline includes installation base 2, transducer 3 and waveguide 4, set up the mounting hole 23 that runs through its upper surface 21 and lower surface 22 on the installation base 2, mounting hole 23 is located to transducer 3 and waveguide 4 top-down, the upper end of waveguide 4 is connected with the output of transducer 3, the input and the 1 electric connection of supersonic generator of transducer 3, installation base 2 is when installing at pipeline 200, the lower extreme of waveguide 4 and the outer wall contact of pipeline 200.

Specifically, the ultrasonic transducer 3 is electrically connected with the ultrasonic generator 1 through a transmission cable 5, and the working frequency of the ultrasonic transducer 3 is 20-40 KHz; the ultrasonic generator 1 is connected to an external power supply (220V/380V power supply) via a power supply cable 6. The power electric signal generated by the ultrasonic generator 1 is transmitted to the ultrasonic transducer 3 through the transmission cable 5, and the ultrasonic transducer 3 converts the ultrasonic frequency alternating current electric signal into an ultrasonic mechanical oscillation signal, and then the ultrasonic mechanical oscillation signal is transmitted to the pipeline 200 through the waveguide 4. Because the propagation speed of the ultrasonic mechanical oscillation signal on the pipe wall of the pipeline 200 is different from the propagation speed of the ultrasonic mechanical oscillation signal on the dirt layer, a shearing force is formed on the interface of the pipe wall of the pipeline 200 and the dirt layer by the speed difference, so that the binding force between the dirt layer and the inner wall of the pipeline 200 is reduced; moreover, the ultrasonic signal generates a cavity and bubbles in the liquid inside the pipe 200 to be decontaminated, and when the cavity and the bubbles are broken or squeezed with each other, a strong pressure peak in a certain range is generated, so that the generated dirt layer is destroyed, and the dirt layer falls off from the inner wall of the pipe 200. In addition, because the propagation speeds of the ultrasonic mechanical oscillation signals on the liquid medium in the pipeline 200 and the dirt layer are different, the interface shearing force generated by the speed difference makes dirt not easy to deposit on the inner wall of the pipeline 200, and simultaneously, the effect of preventing the formation of the dirt layer is achieved.

Referring to fig. 1, as a preferred embodiment, the bottom of the ultrasonic generator 1 is provided with a plurality of moving wheels 11; thereby, it is convenient to push the ultrasonic generator 1 to move the ultrasonic generator 1 relative to the pipe 200.

Referring to fig. 2, the mounting base 2 is a solid structure as a preferred embodiment. Borrow this for installation base 2 has certain weight, can combine inseparabler with pipeline 200, can not take place to rock because of vibrating at the decontamination in-process. Optionally, the mounting base 2 may be made of light alloy, plastic or composite material; the transducer 3 and the waveguide 4 are made of metal materials; preferably, the transducer 3 and the waveguide 4 are provided integrally.

Referring to fig. 2, as a preferred embodiment, the lower surface 22 of the mounting base 2 is a curved surface, and the curvature of the lower surface 22 of the mounting base 2 matches the curvature of the duct 200; when the mounting base 2 is mounted on the duct 200, the lower surface 22 of the mounting base 2 just contacts the outer wall of the duct 200. By means of the design, the installation base 2 can slide along the outer wall of the pipeline 200, when the pipeline online ultrasonic decontamination device is required to decontaminate different positions of the pipeline 200, the pipeline online ultrasonic decontamination device does not need to be detached from the pipeline 200, the pipeline online ultrasonic decontamination device can be directly pushed to enable the installation base 2 to slide to a target position along the pipeline 200, so that continuous, efficient and fixed-point decontamination of the pipeline 200 is achieved, and time and manpower are saved.

Referring to fig. 2, as a preferred embodiment, a first thread 231 is provided on the wall of the mounting hole 23, a second thread 31 is provided on the outer wall of the transducer 3, and the first thread 231 is connected with the second thread 31 in a matching manner. The transducer 3 is stably mounted on the mounting base 2 by means of the first and second threads 231 and 31. Of course, in other embodiments, the transducer 3 may be mounted in the mounting hole 23 in other manners, as long as the transducer 3 can be stably mounted, and therefore, the mounting should not be limited thereto.

Referring to fig. 1, as a preferred embodiment, the online ultrasonic pipeline decontamination apparatus further includes a fixing clip 7, the fixing clip 7 is detachably connected to the installation base 2, and the fixing clip 7 is configured to be sleeved on the pipeline 200 to fasten the installation base 2 to the outer wall of the pipeline 200. The mounting base 2 can be securely mounted to the outer wall of the pipe 200 by the design of the fixing clip 7.

Specifically, fixed clamp 7 is the arc structure with the outer wall adaptation of pipeline 200, and the both ends of fixed clamp 7 can be dismantled with installation base 2 through screw (not shown) and be connected, need will install when base 2 installs at pipeline 200, remove fixed clamp 7 and installation base 2 be connected (also can only remove the one end of fixed clamp 7), install installation base 2 on the upper portion of pipeline 200, then embrace pipeline 200 through fixed clamp 7, the rethread screw is fixed with fixed clamp 7 and installation base 2.

Referring to fig. 1, as a preferred embodiment, a plurality of mounting holes 23 are formed in the mounting base 2 side by side, and at least one of the plurality of mounting holes 23 is provided with the transducer 3 and the waveguide 4. By means of the design, the ultrasonic transducers 3 and the waveguides 4 with proper quantity can be flexibly and conveniently arranged on the installation base 2 according to the requirements of the length of the pipeline 200, expected decontamination time, decontamination efficiency and the like. Preferably, the mounting base 2 is provided with 10 mounting holes 23 side by side, but not limited thereto.

Compared with the prior art, the utility model discloses an online ultrasonic decontamination device of pipeline is including installing base 2, transducer 3 and waveguide 4, install and set up the mounting hole 23 that runs through its upper surface 21 and lower surface 22 on the base 2, transducer 3 and waveguide 4 top-down install at mounting hole 23, when installing base 2 on the outer wall of pipeline 200, the lower extreme of waveguide 4 contacts with the outer wall of pipeline 200, the ultrasonic mechanical shock signal of transducer 3 output transmits for pipeline 200 through waveguide 4, the dirt layer of the inner wall of pipeline 200 drops and smashes under the combined action of the shearing effect of ultrasonic wave and cavitation effect, decontamination effect is good; moreover, the utility model discloses need not to disintegrate pipeline 200 off-line alright decontaminate the inside of pipeline 200, can not influence pipe-line system's normal operating, realized pipeline 200's online decontamination.

The above disclosure is only a preferred embodiment of the present invention, and certainly, the scope of the present invention should not be limited thereto, and therefore, the scope of the present invention is not limited to the above embodiments.

Claims (8)

1. The utility model provides an online ultrasonic wave decontamination plant of pipeline for install on the outer wall of pipeline in order to carry out online decontamination to the inside of pipeline, a serial communication port, online ultrasonic wave decontamination plant of pipeline is including installation base, transducer and waveguide, set up the mounting hole that runs through its upper surface and lower surface on the installation base, the transducer with waveguide top-down locates the mounting hole, the upper end of waveguide with the output of transducer is connected, the input of transducer is used for and outside supersonic generator electric connection, the installation pedestal mounting is when the pipeline, the lower extreme of waveguide and the outer wall contact of pipeline.

2. The online ultrasonic pipe decontamination device of claim 1, wherein the lower surface of said mounting base is curved, the curvature of said lower surface of said mounting base matching the curvature of the pipe.

3. The online ultrasonic pipe decontamination device of claim 1, wherein the wall of the mounting hole is provided with a first thread, the outer wall of the transducer is provided with a second thread, and the first thread is in fit connection with the second thread.

4. The online ultrasonic pipe decontamination device of claim 1, further comprising a retaining clip removably attached to said mounting base, said retaining clip adapted to fit over the pipe to secure said mounting base to the outer wall of the pipe.

5. The on-line ultrasonic pipe decontamination apparatus of claim 1, wherein said mounting base has a plurality of said mounting holes disposed side by side, at least one of said plurality of mounting holes being configured to receive said transducer and said waveguide.

6. The online ultrasonic pipe decontamination device of claim 1, wherein said mounting base is a solid structure.

7. An on-line ultrasonic pipe decontamination system comprising an ultrasonic generator and an on-line ultrasonic pipe decontamination apparatus as claimed in any one of claims 1 to 6.

8. The online ultrasonic pipe decontamination system of claim 7, wherein said ultrasonic generator has a plurality of moving wheels at the bottom thereof.

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