JP3209679U - Pipe cleaning device - Google Patents

Abstract

A pipe cleaning apparatus capable of cleaning pipes on various production lines without being restricted by the dimensions and installation conditions of pipe materials. A pipe cleaning apparatus 100 includes a vibrator 10 that generates ultrasonic waves of a frequency and a vibrator, and is detachably attached to an outer peripheral surface of a pipe material so as to transmit the vibration of the vibrator to the pipe material P. Mounting means 20 and driving means 30 for generating a drive signal for driving the vibrator, the mounting means having two mounting brackets having arcuate recesses A1 and A2 corresponding to a part of the outer wall of the pipe. 21 and 22, and a vibrator is provided on one of the two mounting brackets. Thereby, it can attach to a pipe material easily and can oscillate a pipe material efficiently. In particular, since it can be installed in a piping line, in an existing production line, ultrasonic treatment is used to clean the inner surface of the piping, or to promote chemical reaction, emulsification, dispersion, sterilization, etc. for liquid passing through the pipe It can be performed. [Selection] Figure 1

Description

  The present invention relates to a pipe cleaning apparatus that vibrates a liquid (or powder) conveyed in a pipe material or a liquid outside the pipe material by vibrating a wall surface of the pipe material and uses ultrasonic vibration.

  Conventionally, when cleaning an object to be cleaned such as a tube material, the object to be cleaned is generally placed in an ultrasonic cleaning tank and cleaned by irradiating ultrasonic waves from the bottom surface or side surface of the cleaning tank.

  In addition, an in-tube cleaning method and an in-tube cleaning apparatus have been proposed in which a pipe to be cleaned is installed in an ultrasonic cleaning tank, a cleaning liquid is circulated in the pipe to be cleaned, and ultrasonic waves are irradiated from the outside of the pipe to be cleaned through the liquid. (For example, Patent Document 1).

Japanese Patent Laid-Open No. 5-68956

  However, the conventional cleaning method using an ultrasonic cleaning tank is effective for removing and cleaning foreign matter adhering to the outer surface of a pipe or the like, but is insufficient for foreign matter adhering to the inner surface of the tube.

  The in-pipe cleaning apparatus disclosed in Patent Document 1 improves the removal rate of foreign matter in the pipe to some extent by circulating a cleaning liquid in the pipe to be cleaned as compared with a cleaning method using a conventional ultrasonic cleaning tank. Irradiation efficiency is not improved, and in the case of a long pipe material, a large ultrasonic cleaning tank is required, so that there is a problem that the cost increases.

  Further, in the above-described ultrasonic cleaning method, there are restrictions on the dimensions of the pipes and the like, so that it is not possible to clean long pipes, particularly pipes on various production lines.

  Therefore, the present invention provides a pipe cleaning device that can clean pipes on various production lines, without being limited by the dimensions and installation conditions of pipe materials.

  In order to solve the above problems, a pipe cleaning apparatus according to the present invention is a pipe cleaning apparatus that cleans the wall surface of a pipe material using ultrasonic vibration, and includes at least a vibrator that generates ultrasonic waves of at least one frequency, A mounting means that is attached to one vibrator and is detachably attached to the outer peripheral surface of the pipe so as to transmit the vibration of the vibrator to the pipe, and a driving means for generating a drive signal for driving the vibrator. The mounting means includes two mounting brackets having arc-shaped recesses corresponding to a part of the outer wall of the pipe material, and a vibrator is provided on at least one of the two mounting brackets. Thereby, it can attach to a pipe material easily and can oscillate a pipe material efficiently. In particular, since it can be attached to a piping line, in an existing production line, cleaning of the inner surface (or outer surface) of the piping using ultrasonic waves, or promoting a chemical reaction, emulsifying, dispersing, Processing such as sterilization can be performed. In addition, the ultrasonic vibration can prevent foreign matter from adhering to the inner surface of the pipe material and clogging in the pipe due to sedimentation.

  For example, the two mounting brackets of the mounting means are configured to mount vibrators having the same frequency or vibrators having different frequencies. As a result, stronger ultrasonic vibration can be obtained, stronger ultrasonic vibration can be obtained, and the liquid transported into the tube material is vibrated with ultrasonic waves of different frequencies, thereby cleaning the pipe. be able to.

  In addition, for example, there is an attachment means for attaching a cover for covering the vibrator attached to the attachment means, and the attachment means is configured by providing a male screw portion for screwing the cover, or by providing a through hole in the attachment means. The cover is attached with screws. Thereby, the vibrator can be covered with a simple configuration, and an accident such as an electric shock can be prevented.

  Further, for example, the vibrator is attached to the fixture via a vibration guide member for transmitting vibration, and the vibration guide member amplifies and transmits the amplitude of vibration generated by the vibrator by 1 to 5 times. It is configured. This makes it possible to change the resonance frequency of the vibration system and the amplitude transmitted to the tube as necessary.

  According to the present invention, a pipe cleaning device is provided with an oscillator that generates ultrasonic waves of at least one frequency and at least one oscillator, and is disposed on an outer peripheral surface of a pipe so as to transmit the vibration of the oscillator to the pipe material. Two mounting brackets having a mounting means detachably mounted and a driving means for generating a drive signal for driving the vibrator, the mounting means having an arcuate recess corresponding to a part of the outer wall of the pipe With at least one of the two mounting brackets provided with a vibrator, it is possible to clean various pipe materials, especially pipes on various production lines, regardless of the dimensions and installation conditions of the pipe materials. In addition, the ultrasonic vibration can prevent foreign matter from adhering to the inner surface of the pipe material and clogging in the pipe due to deposits.

It is a perspective view which shows the structure of the piping cleaning apparatus of the 1st Embodiment of this invention. It is a figure which shows the structure of the piping cleaning apparatus of the 2nd Embodiment of this invention. It is a perspective view which shows the structure of the piping cleaning apparatus of the 3rd Embodiment of this invention. It is a figure which shows the structure of the piping washing | cleaning apparatus of the 4th Embodiment of this invention. It is a figure which shows the structure of the piping cleaning apparatus of the 5th Embodiment of this invention.

Hereinafter, an embodiment for carrying out a pipe cleaning apparatus according to the present invention will be described with reference to the drawings.
FIG. 1 is a diagram illustrating a configuration of a pipe cleaning device 100 according to a first embodiment of the present invention. The pipe cleaning apparatus 100 according to the present embodiment includes a vibrator 10, a mounting unit 20, a driving unit 30, and a vibration guide member 40. The vibrator 10 is attached to the tube material P via the attachment means 20.

  The vibrator 10 is a Langevin type ultrasonic vibrator that can generate a fundamental vibration having a predetermined frequency (for example, 20 kHz, 30 kHz, or 40 kHz) or a vibration having a frequency close thereto. An attachment screw hole for attaching to the mounting means 20 or the vibration guide member 40 is provided at the vibration output end of the vibrator 10. The vibrator 10 is electrically connected to the driving unit 30.

  The mounting means 20 includes two mounting brackets 21 and 22 each having an arcuate recess corresponding to a part of the outer wall of the pipe. The mounting brackets 21 and 22 are arranged on the outer wall of the pipe P so as to face the arc-shaped recesses A1 and A2, and are detachably fixed with screws. Screws or screw holes for attaching the vibrator 10 or the vibration guide member 40 are provided on at least one of the mounting brackets 21 and 22.

  The drive means 30 is for generating a drive signal in a predetermined frequency range for driving the vibrator 10. The driving unit 30 performs frequency scanning in a predetermined frequency range (for example, 19 to 21 kHz, 19 to 26 kHz, 28 to 32 kHz, 38 to 42 kHz, or 19 to 60 kHz), and the vibrator 10, the mounting unit 20, the tube P, and the like. And a control means for detecting a resonance frequency of the vibration system including the frequency near it, generating a drive signal of the detected resonance frequency or a frequency near the resonance frequency, and driving the vibrator 10; and a start frequency of frequency scanning And a start frequency adjusting means for adjusting. The driving unit 30 includes a plurality of output circuits for supplying power to the vibrator 10 and circuit switching means for connecting any one of the plurality of output circuits to the vibrator 10. Depending on the vibration system including the mounting means 20 and the pipe material P, the circuit can be switched to an optimum output circuit matched to the vibration system by the circuit switching means.

  The vibration guide member 40 is mounted between the vibrator 10 and the mounting means 20, and transmits vibration generated from the vibrator 10 to the mounting means 20 and the pipe material P. The vibration guide member 40 is configured to amplify the vibration generated from the vibrator 10 by, for example, 1 to 5 times, more preferably 2 to 4 times, and transmit the amplified vibration to the transmission mounting unit 20 and the pipe material P. In order to obtain a larger amplitude, it is possible to use a horn that transmits ultrasonic vibration in which the area of the input end and the area of the output end of vibration are different. The vibration guide member 40 may be provided with a cooling water jacket for cooling.

  FIG. 2 is a diagram showing a configuration of a pipe cleaning device 100A according to the second embodiment of the present invention. As shown in FIG. 2, the pipe cleaning device 100 </ b> A includes a vibrator 10, a mounting unit 20 </ b> A, a driving unit 30, and a vibration guide member 40. The vibrator 10 is attached to the pipe material P via the attachment means 20A. In this pipe cleaning apparatus 100 </ b> A, the vibrator 10, the drive unit 30, and the vibration guide member 40 have the same configuration as the pipe cleaning apparatus 100. Detailed description is omitted.

  The mounting means 20A includes two mounting brackets 21A and 22A having arcuate recesses A1 and A2 corresponding to a part of the outer wall of the pipe P. The mounting brackets 21A and 22A are disposed so that the recesses face the outer wall of the tube material P, are fastened by a fastener such as a screw, and are detachably fixed to the tube material P. Screws or screw holes for attaching the vibrator 10 or the vibration guide member 40 are provided on at least one of the mounting brackets 21A and 22A. In addition, the mounting means 20A is provided with small arc-shaped recesses B1 and B2 on the outer sides (both sides) of the arc-shaped recesses A1 and A2, respectively. Thereby, the vibration transmission efficiency to the pipe material P can be improved.

  In the embodiment described above, the mounting means 20 or 20A is mounted on the straight pipe portion of the pipe material P, but the present invention is not limited to this. You may make it mount | wear a vibrator | oscillator using the attachment means corresponding to shapes, such as a connection part or curved part of piping, for example, a joint part, an elbow part, a valve | bulb part. FIG. 3 shows the configuration of a pipe cleaning device 100B according to the third embodiment of the present invention. In the pipe cleaning device 100B, the mounting means 20B is mounted on the elbow portion of the pipe. As a result, it is possible to improve the effect of cleaning the inner surface of the piping by giving ultrasonic vibrations intensively to the location where the foreign material adheres to the inner surface of the pipe material in the piping line and the inside of the tube is likely to be clogged due to sedimentation. is there.

  As described above, in the embodiment, the pipe cleaning device 100 (100A, 100B) includes the vibrator 10, the mounting means 20 (20A, 20B), the driving means 30, and the vibration guide member 40. . The vibrator 10 is attached to the pipe material P through attachment means 20 (20A, 20B). The electrical signal from the driving means 30 drives the vibrator 10 and is converted into mechanical vibration, causing the mounting means 20 (20A, 20B) to vibrate.

  Thereby, while being able to attach easily to the pipe material P, the pipe material P can be efficiently oscillated and a cavitation can be generated in the liquid in a pipe | tube. In particular, since it can be installed in a piping line, in an existing production line, the inner surface or outer surface of the piping is cleaned using ultrasonic waves, or a chemical reaction is promoted, emulsified, dispersed, sterilized, etc. for liquid passing through the tube. Can be processed. In addition, the ultrasonic vibration can prevent foreign matter from adhering to the inner surface of the pipe material and clogging in the pipe due to sedimentation.

  Further, the driving unit 30 performs frequency scanning in a predetermined frequency range, detects the resonance frequency of the vibration system including the vibrator 10, the mounting unit 20, and the pipe material P, or a nearby frequency, and detects the detected resonance frequency or the resonance frequency thereof. By including a control means for generating a drive signal having a nearby frequency and controlling the vibrator 10 to drive, and a start frequency adjusting means for adjusting the start frequency of frequency scanning, various pipe materials and piping It can correspond to the line and can be vibrated efficiently.

  The vibrator 10 is attached to the mounting means 20 (20A, 20B) via a vibration guide member 40 for transmitting vibration, and the vibration guide member 40 sets the amplitude of vibration generated by the vibrator 10 to 1 to 1. By being configured to be amplified and transmitted by a factor of 5, the resonance frequency of the vibration system and the amplitude to be transmitted to the tube material can be changed as necessary.

  FIG. 4 shows the configuration of a pipe cleaning apparatus 100C according to the fourth embodiment of the present invention. As shown in FIG. 4, the pipe cleaning apparatus 100C includes a vibrator 10C, a mounting unit 20C, and a driving unit 30C. The vibrator 10C is attached to the tube material P via the attachment means 20C.

  The vibrator 10C is a Langevin type ultrasonic vibrator (for example, an ultrasonic wave) that can generate a fundamental vibration having a predetermined frequency (for example, 20 kHz, 25 kHz, 28 kHz, 30 kHz, 40 kHz, or 80 kHz), or a vibration having a frequency close thereto. A vibrator for a sonic cleaner). The vibrator 10C is provided with a mounting screw hole for mounting on the mounting means 20C at the vibration output end, and is mounted on the mounting means 20C with a mounting screw and an adhesive (or only an adhesive). The vibrator 10C is electrically connected to the driving unit 30C.

  The mounting means 20 </ b> C includes two mounting brackets 21 </ b> C and 22 </ b> C each having an arcuate recess corresponding to a part of the outer wall of the pipe material P. The mounting brackets 21C and 22C are disposed on the outer wall of the pipe material P so as to face the arc-shaped recesses C1 and C2, and are detachably fixed with screws. Screws or screw holes for mounting the vibrator 10C are provided on at least one of the mounting brackets 21C and 22C. The minimum thickness T between the arcuate recesses C1 and C2 of the mounting brackets 21C and 22C and the mounting surface of the vibrator 10C is preferably 1 to 6 mm. More preferably, it is 2-4 mm. When this minimum thickness is less than 1 mm, the strength of the mounting means 20C is weak, and the mounting surface of the vibrator 10C is deformed when mounting and affects the transmission of vibration. On the other hand, if it is thicker than 6 mm, the transmission of vibration is poor. Furthermore, it has attachment means 23C for attaching a cover for covering the vibrator 10C attached to the attachment means 20C. You may provide the external thread part which screws together a cover as 23C of attachment means. Or you may make it provide a through-hole in the mounting means 20C and attach a cover with a screw | thread. In addition, you may provide a small circular-arc-shaped recessed part (or slit, notch part) on the outer side (both sides) of circular-arc-shaped recessed parts C1 and C2, respectively. Thereby, the vibration transmission efficiency to the pipe material P can be improved. A cooling fan for cooling the vibrator may be provided on a cover for covering the vibrator 10C.

  The drive unit 30C can generate a drive signal in a predetermined frequency range for driving the vibrator 10C. The drive unit 30C includes a control unit and an output circuit, and has a predetermined frequency range (for example, 19 to 21 kHz, 23 to 26 kHz, 27 to 29 kHz, 28 to 32 kHz, 38 to 42 kHz, 78 to 82 kHz, or 19 to 19 kHz). 45 kHz) drive signal can be generated. In accordance with the vibration system including the vibrator 10C connected to the output circuit, the mounting means 20C, and the pipe material P, the control means, for example, based on the impedance of the vibration system, in a predetermined frequency range, the resonance frequency of the vibration system Alternatively, the oscillator circuit is controlled so as to generate a driving signal having a frequency close to it, that is, an optimum driving signal matched with the vibration system, and the vibrator 10C is driven.

  In addition, as shown in FIG. 5, you may make it attach the vibrator | oscillator 10C of the same frequency to the attachment metal fittings 21C and 22C of the mounting means 20C, respectively. FIG. 5 shows a configuration of a pipe cleaning apparatus 100D according to the fifth embodiment of the present invention. In this case, stronger ultrasonic vibration can be obtained. Moreover, you may make it attach the vibrator | oscillator 10C of a different frequency to the attachment metal fittings 21C and 22C, respectively. In this case, stronger ultrasonic vibrations can be obtained, and the liquid (or powder) conveyed in the pipe material is vibrated with ultrasonic waves of different frequencies to clean pipes, mix and disperse liquids, and accelerate reactions. Etc. can be performed.

  Further, a fiber layer such as a carbon fiber sheet having a predetermined thickness or a resin layer (or resin sheet) may be interposed between the pipe P and the mounting means 20 (20A, 20B, 20C). For example, a pipe material is obtained by disposing a fluororesin sheet between the pipe material P and the mounting means 20 (20A, 20B, 20C), or by coating a fluororesin on the concave surface of the mounting means 20 (20A, 20B, 20C). P and the mounting means 20 (20A, 20B, 20C) are not in direct contact with each other, and the occurrence of scratches due to friction between the pipe P and the mounting means 20 (20A, 20B, 20C) can be prevented.

  In the above-described embodiment, the pipe P is an example of a pipe having a circular cross section, but the present invention is not limited to this. The present invention can also be applied to a tube having a non-circular cross section. The vibrator 10C may be one that can generate vibrations having a plurality of frequencies. In this case, a desired ultrasonic frequency can be generated as necessary.

  In addition, a plurality of mounting means 20 (20A, 20B, 20C) may be arranged at predetermined intervals in the length direction of the pipe material P. In this case, by attaching the vibrators 10 having the same frequency (or different frequencies) to the plurality of mounting means 20, it is possible to oscillate in a wider range and perform ultrasonic processing. In addition, when vibrators with different frequencies are attached, vibrations with different frequencies can be applied to different positions as necessary. For example, in the liquid mixing / dispersing process, coarse mixing / dispersion can be performed using a relatively low frequency on the upstream side, and fine mixing / dispersion can be performed using a high frequency on the downstream side.

  Furthermore, in the above-described embodiment, the mounting means 20, 20A, 20B or 20C has been described as being tightened by a fastener such as a screw, but the present invention is not limited to this. For example, two metal stays may be coupled by a pivot (shaft) without using a screw, and may be freely opened and closed, and may be configured to be sandwiched from opposite directions of the outer periphery of the pipe P.

  The purpose of this device is to clean the inner or outer surface of a pipe using ultrasonic waves, or to promote chemical reaction, emulsification, dispersion, sterilization, etc. on the liquid passing through the pipe, and to the inner surface of the pipe material by ultrasonic vibration. It can be used for the purpose of preventing clogging in the tube due to adhesion of foreign matter and deposits of precipitates.

10, 10C Vibrator 20, 20A, 20B, 20C Mounting means 21, 21A, 21B, 21C, 22, 22A, 22B, 22C Mounting bracket 30, 30C Driving means 40 Vibration guide member 100, 100A, 100B, 100C, 100D Piping Cleaning device

Claims (4)

A pipe cleaning device for cleaning the wall surface of a pipe material using ultrasonic vibration,
A vibrator that generates ultrasonic waves of at least one frequency;
At least one vibrator is attached, and mounting means is detachably mounted on the outer peripheral surface of the pipe so as to transmit the vibration of the vibrator to the pipe.
Drive means for generating a drive signal for driving the vibrator,
The mounting means includes two mounting brackets having arc-shaped recesses corresponding to a part of the outer wall of the pipe material, and a vibrator is provided on at least one of the two mounting brackets. apparatus.   The pipe cleaning apparatus according to claim 1, wherein the two mounting brackets of the mounting unit are configured to attach vibrators having the same frequency or vibrators having different frequencies.   There is an attachment means for attaching a cover for covering the vibrator attached to the attachment means, and the attachment means is configured by providing a male screw portion for screwing the cover, or a through hole is provided in the attachment means. The pipe cleaning apparatus according to claim 1, wherein the cover is attached with screws. The vibrator is attached to the mounting means via a vibration guide member for transmitting vibrations,
The vibration guide member is configured to amplify and transmit the amplitude of vibration generated by the vibrator 1 to 5 times, more preferably 2 to 4 times. The pipe cleaning apparatus according to any one of the above.

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