EP3243021A1 - Tuyau, ensemble de tuyaux et procédé de mesure de l'épaisseur d'un revêtement d'une canalisation - Google Patents

Tuyau, ensemble de tuyaux et procédé de mesure de l'épaisseur d'un revêtement d'une canalisation

Info

Publication number
EP3243021A1
EP3243021A1 EP15823315.5A EP15823315A EP3243021A1 EP 3243021 A1 EP3243021 A1 EP 3243021A1 EP 15823315 A EP15823315 A EP 15823315A EP 3243021 A1 EP3243021 A1 EP 3243021A1
Authority
EP
European Patent Office
Prior art keywords
coating
wall
tube
pipe
conductor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP15823315.5A
Other languages
German (de)
English (en)
Inventor
Dieter Meendermann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rosen Swiss AG
Original Assignee
Rosen Swiss AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rosen Swiss AG filed Critical Rosen Swiss AG
Publication of EP3243021A1 publication Critical patent/EP3243021A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/08—Pipe-line systems for liquids or viscous products
    • F17D1/088—Pipe-line systems for liquids or viscous products for solids or suspensions of solids in liquids, e.g. slurries
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D3/00—Arrangements for supervising or controlling working operations
    • F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00—Protection or supervision of installations
    • F17D5/02—Preventing, monitoring, or locating loss
    • F17D5/06—Preventing, monitoring, or locating loss using electric or acoustic means

Definitions

  • the present invention relates to a pipe with a coating and for transporting a medium, in particular a water-containing oil-sand mixture, comprising a wall which is provided on the inside with the preferably composed of at least one elastomer coating.
  • the invention also relates to a tube with a transducer assembly and to a method for measuring the thickness of an inner coating of a pipeline.
  • Conventional pipelines intended for transporting oil-sand mixtures or other highly abrasive media are provided with coatings on the inside to protect the pipeline wall.
  • the pipeline is made of a steel, while the coating is constructed of at least one elastomer such as a polyurethane.
  • the thickness of the coating decreases with the amount of transported, abrasive medium, so that the pipelines must be laboriously disassembled to check the coating. It would be desirable to have a simple means of measuring the thickness of the coating for checking the thickness of the coating and thus for answering the question of when to replace a pipeline section. This is not the case so far. It is therefore an object of the present invention to provide an alternative possibility for measuring the thickness of the coating of pipes, in particular of pipelines.
  • a first transducer assembly is arranged, which is adapted to receive a signal emitted from the outside in the wall, from the means of the transducer assembly electrical Energy can be formed to act on at least one electrical conductor, wherein the conductor of the transducer assembly is at least partially disposed in the coating of the pipeline and the transducer assembly is formed for delivering a signal based on the application of the signal in the wall.
  • the transducer assembly is provided with a plurality of conductors extending in the direction of thickness extension, i. preferably perpendicular to the wall, are arranged at different positions.
  • the respective conductors viewed from the inside of the typically metallic wall should be spaced at different distances.
  • the conductors can also be positioned differently in the circumferential direction inside the wall to obtain information about the abrasion of the coating in the circumferential direction.
  • a plurality of corresponding transducer arrangements or, if appropriate, conductors of a single transducer arrangement can be positioned in order to obtain information regarding the abrasion also in the longitudinal direction of the pipeline.
  • At least one conductor is provided with a conductor element susceptible to erosion, more preferably all conductors are provided with conductor parts which are prone to erosion. These are points of breakage or damage which, when the protective coating is exposed, are attacked by the medium to be transported and are destroyed by it. Upon exposure of the associated conductor with current or voltage thus results in a significantly different signal compared to a non-damaged conductor.
  • the conductor forms in a state uninfluenced by the mixture at least at the moment of application, optionally with a switching electronics, a closed conductor circuit, so that it can be easily determined by means of a continuity test, whether the conductor has been exposed and interrupted and thus reduces the coating accordingly is.
  • a transducer or a transducer arrangement is arranged on the outside of the tube, the signal of which is receivable by the first transducer arrangement during operation.
  • This may be a fixedly positioned on the corresponding location of the wall Wandlerteil, which together with a auf detailden in review case another part another Transducer arrangement results, via which an example formed as an ultrasonic signal signal can be generated in the wall of the pipeline.
  • permanently installed devices can also be used to permanently monitor the coating. This monitoring can also be done at a remote location by wired or wireless transmission of the signal picked up by the further outboard transducer array.
  • a plurality of measuring points can be monitored bundled with pipe arrangements according to the invention in a central office.
  • the wall assembly or both transducer assemblies are provided with a piezoelectric element.
  • This may be a ceramic or a crystal, which is firmly connected to the metallic surface of the tube and is integrated in the case of the inside arrangement in the coating.
  • the coating which is cast, for example.
  • a further transducer arrangement is arranged on the outside of the tube, which can be connected to an evaluation or display unit.
  • An inventive arrangement thus comprises both on the inside and on the outside of a transducer assembly that can non-destructively transport energy from the outside to the inside of the tube and vice versa for evaluation leading signals.
  • An inventive method for measuring the thickness of an inner coating of a pipeline is thus designed as described above.
  • an ultrasonic signal is generated in the wall of the pipe at a corresponding existing pipe assembly with preferably ultrasonic transducer units on the outside as well as on the inside of the tube first outside the tube, this at least partially received by the first transducer assembly and converted into electrical energy. Due to this energy, at least one electrical conductor, preferably a plurality of conductors, which are arranged in the coating, subjected to voltage and / or current.
  • An ultrasonic signal resulting from this application is generated by the first transducer arrangement in the wall of the tube and detected by the further transducer arrangement, wherein the detected signal is evaluated, stored and / or displayed by the evaluation and / or display unit.
  • FIG. 1 shows a transducer assembly as part of a tube according to the invention
  • FIG. 2 shows the object according to FIG. 1 in a further view
  • FIG. 3 shows a pipe according to the invention in a cutaway, partial view
  • 4 shows a partial view of a pipe arrangement according to the invention
  • Fig. 5 is a schematic diagram of a pipe arrangement according to the invention.
  • a transducer arrangement is provided with a series of electrical conductors 1 projecting in different directions into a coating in the form of wear wires. These are arranged on a printed circuit board 2 in an N shape.
  • the conductor housing of the transducer arrangement in addition to a not further quantized electronics for generating energy from a recorded ultrasonic signal, a piezoelectric sound generator in the form of a piezoceramic 4 (Fig. 2). This can be used for receiving and delivering ultrasonic waves.
  • the piezoceramic is shown in FIGS. 3 and 4 in contact with an inner side of a wall 5 of a tube, which is provided with a coating 6.
  • a transducer arrangement in the form of an external piezoelectric resonator is located directly opposite one another.
  • ramik disc 7 available.
  • the wear wires protrude from an inner side of the wall 5 differently far toward the inner surface of the coating.
  • the wire of highest standing in FIG. 3 is thus first damaged, whereupon a signal which is correspondingly edged with respect to the unaffected state of the wear wire can be transmitted from the electronics of the transducer arrangement to the ceramic disk 7 via ultrasound.
  • the signal collected by the ceramic disk 7 can be detected and recorded accordingly via an evaluation and / or display unit 8, and possibly forwarded and / or stored (FIG. 4).
  • the electronics on the inner side of the tube and in the first converter unit comprise a pulse shaper 9, a transmitter 10, which vibrate a piezoelectric crystal 11.
  • the ultrasonic wave thus generated in the tube wall 12 is detected by a further piezoelectric crystal 11.1 on the outside of the tube.
  • the signal is then applied via an oscillator 14 and an analog switch 15 to an ultrasonic amplifier.
  • An analog-to-digital converter then yields the signal to be displayed on the display unit 20.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)

Abstract

L'invention concerne un tuyau comprenant un revêtement (6) et destiné à transporter un milieu, en particulier un mélange d'huile et de sable contenant de l'eau. Le tuyau comprend une paroi (5), qui est pourvue côté intérieur du revêtement (6) constitué de préférence d'au moins un élastomère. L'invention est caractérisée en ce que, pour mesurer l'épaisseur du revêtement (6) du tuyau depuis l'extérieur, un (premier) ensemble convertisseur, qui est conçu pour recevoir un signal émis de l'extérieur dans la paroi (5), à partir duquel une énergie électrique permettant de solliciter au moins un conducteur électrique (1) peut être formée au moyen de l'ensemble convertisseur, est agencé sur la face intérieure du tuyau conjointement avec le revêtement (6), le conducteur (1) de l'ensemble convertisseur étant agencé au moins en partie dans le revêtement et l'ensemble convertisseur étant conçu pour émettre un signal formé sur la base de la sollicitation dans la paroi (5). L'invention concerne également un procédé de mesure de l'épaisseur d'un revêtement intérieur d'une canalisation.
EP15823315.5A 2015-01-06 2015-12-22 Tuyau, ensemble de tuyaux et procédé de mesure de l'épaisseur d'un revêtement d'une canalisation Withdrawn EP3243021A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015100065.2A DE102015100065A1 (de) 2015-01-06 2015-01-06 Rohr, Rohranordnung und Verfahren zur Messung der Dicke einer Beschichtung einer Pipeline
PCT/EP2015/002591 WO2016110312A1 (fr) 2015-01-06 2015-12-22 Tuyau, ensemble de tuyaux et procédé de mesure de l'épaisseur d'un revêtement d'une canalisation

Publications (1)

Publication Number Publication Date
EP3243021A1 true EP3243021A1 (fr) 2017-11-15

Family

ID=55085621

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15823315.5A Withdrawn EP3243021A1 (fr) 2015-01-06 2015-12-22 Tuyau, ensemble de tuyaux et procédé de mesure de l'épaisseur d'un revêtement d'une canalisation

Country Status (5)

Country Link
EP (1) EP3243021A1 (fr)
CA (1) CA2972930C (fr)
CL (1) CL2017001774A1 (fr)
DE (1) DE102015100065A1 (fr)
WO (1) WO2016110312A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115389515B (zh) * 2022-08-29 2025-03-28 长庆实业集团有限公司 一种金属管道检测系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5125274A (en) * 1990-11-07 1992-06-30 Sandvik Special Metals Corporation Tube testing apparatus
FR2670583B1 (fr) * 1990-12-13 1994-03-04 Valtubes Dispositif detecteur de defauts par ultra-sons dans des tubes metalliques et procede pour sa mise en óoeuvre.
US5591912A (en) * 1995-03-10 1997-01-07 The United States Of America As Represented By The United States Department Of Energy Method and apparatus for inspecting conduits
FR2847344B1 (fr) * 2002-11-20 2005-02-25 Framatome Anp Sonde de controle d'une paroi interne d'un conduit
US7293461B1 (en) * 2003-10-22 2007-11-13 Richard Girndt Ultrasonic tubulars inspection device
US20080236286A1 (en) * 2007-03-29 2008-10-02 Clive Chemo Lam Non-destructive tubular testing
WO2011046463A1 (fr) * 2009-10-15 2011-04-21 Siemens Aktiengesellschaft Tuyau de fluide et procédé pour détecter une déformation sur le tuyau de fluide
CA2852676C (fr) * 2011-10-18 2018-03-13 Cidra Corporate Services Inc. Technique de sondage acoustique permettant de determiner l'usure de l'enduit interne d'un tuyau, ou l'accumulation de tartre et l'usure du revetement interieur du tuyau

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
None *
See also references of WO2016110312A1 *

Also Published As

Publication number Publication date
WO2016110312A1 (fr) 2016-07-14
CL2017001774A1 (es) 2018-01-19
CA2972930A1 (fr) 2016-07-14
DE102015100065A1 (de) 2016-07-07
CA2972930C (fr) 2021-04-27

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