CA2972930C - Pipe, pipe array and method for the measurement of the thickness of a coating of a pipeline - Google Patents
Pipe, pipe array and method for the measurement of the thickness of a coating of a pipeline Download PDFInfo
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- CA2972930C CA2972930C CA2972930A CA2972930A CA2972930C CA 2972930 C CA2972930 C CA 2972930C CA 2972930 A CA2972930 A CA 2972930A CA 2972930 A CA2972930 A CA 2972930A CA 2972930 C CA2972930 C CA 2972930C
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- pipe
- coating
- transducer arrangement
- wall
- signal
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- 238000000576 coating method Methods 0.000 title claims abstract description 65
- 239000011248 coating agent Substances 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title abstract description 7
- 238000005259 measurement Methods 0.000 title description 12
- 239000004020 conductor Substances 0.000 claims abstract description 56
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 229920001971 elastomer Polymers 0.000 claims abstract description 5
- 239000000806 elastomer Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 230000003628 erosive effect Effects 0.000 claims description 4
- 239000003027 oil sand Substances 0.000 claims description 4
- 241000237519 Bivalvia Species 0.000 claims 1
- 235000020639 clam Nutrition 0.000 claims 1
- 239000004576 sand Substances 0.000 abstract 1
- 238000004458 analytical method Methods 0.000 description 9
- 238000005299 abrasion Methods 0.000 description 4
- 238000003491 array Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000002604 ultrasonography Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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
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
Pipe having a coating (6) and intended for transporting a medium, in particular a water-containing oil/sand mixture, comprising a wall (5) which is provided on the inner side with the coating (6), which is preferably composed of at least one elastomer, characterized in that, in order to measure the thickness of the coating (6) of the pipe from outside, a (first) transducer arrangement is arranged on the inner side of the pipe together with the coating (6), which transducer arrangement is designed to receive a signal emitted into the wall (5) from outside, from which signal electrical energy for supplying at least one electrical conductor (1) can be generated by means of the transducer arrangement, wherein the conductor (1) of the transducer arrangement is arranged at least partially in the coating and the transducer arrangement is designed to emit a signal formed on the basis of the energy supply into the wall (5), and method for measuring the thickness of an inner coating of a pipeline.
Description
Pipe, pipe array and Method for the measurement of the thickness of a coating of a pipeline This invention concerns a pipe, with a coating, and used for the transport of a medium, in particular of a water-containing oil-sand mixture, encompassing a wall, which is provided on the inside with a coating that is preferably built up of at least one elastomer.
The invention likewise concerns a pipe with a converter array as well as a method for the measurement of the thickness of an internal coating of a pipeline.
Traditional pipelines, which are foreseen for the transport of oil-sand mixtures or other highly abrasive media, are provided with coatings on the inside, so as to protect the pipeline wall.
Typically, the pipeline or alternatively the pipe wall is manufactured of steel, whereas the coating is built up of at least one elastomer, for example, a polyurethane.
The thickness of the coating wears down with the quantity of the abrasive medium that is transported, such that the pipelines need to be disassembled in a time-consuming manner to verify the coating of the pipelines. It would be desirable to have a simple possibility for inspection of the thickness of the coating for the verification of the thickness of the coating and thereby answer the question as to when a pipeline portion needs to be replaced. Until now, this is not the case.
It is therefore an object of the invention to provide an alternative possibility for the measurement of the thickness of the coating of pipes, in particular of pipelines.
According to an aspect of the present invention, there is provided a pipe with a coating and used for the transport of a medium, in particular a water-containing oil-sand mixture, comprising a wall, that is provided with a coating on the inner side that is preferably built up out of at least one elastomer, characterized by the fact that for measurement of the thickness of the coating of the pipe from the outside, there is a (first) converter array that is arranged on the inner side of the pipe together with the coating, and that the converter array is designed to receive a signal that is delivered from outside in the wall, from which electrical energy can be created by means of the converter array for the purpose of bombarding at least one electrical conductor, whereby the conductor of the converter array is at least partially arranged in the coating and the converter array is designed to deliver a signal on the basis of the bombardment in the wall.
In some embodiments of the present invention, there can be provided the pipe as described herein, characterized by the fact that the converter array exhibits a multitude of conductors, which are arranged in various positions in the direction of the thickness of the coating.
In some embodiments of the present invention, there can be provided the pipe as described herein, characterized by the fact that the conductors are differentially positioned from the inner side of the wall in the coating.
In some embodiments of the present invention, there can be provided the pipe as described herein, characterized by the fact that the at least one conductor features a conductor part that is vulnerable to erosion.
In some embodiments of the present invention, there can be provided the pipe as described herein, characterized by the fact that the conductor is designed to create, at least at the time of bombardment, a closed conductor circuit with switching electronics when the conductor is in a state in which it has not been influenced by the mixture.
In some embodiments of the present invention, there can be provided the pipe as described herein, characterized by the fact that at least a part of a further converter array is arranged on the outer side of the pipe, the signal of which can be received by the converter array in the event of operation.
In some embodiments of the present invention, there can be provided the pipe as described herein, characterized by the fact that the converter array comprises a piezoelectric element.
According to another aspect of the present invention, there is provided a pipe arrangement comprising a pipe as described herein, whereby a further converter array is arranged on the outer side of the pipe, which is connectable with an analysis and/or display unit.
According to another aspect of the present invention, there is provided a method for the measurement of the thickness of the inner coating of a pipeline, comprising a pipe arrangement as described herein, whereby an ultrasonic signal is produced in the wall by the converter la array that is to be arranged outside of the pipe and that the same is at least partially received by the first converter array and is transformed into electrical energy, and on the basis of this energy at least one electrical conductor that is arranged in the coating is bombarded with current and/or voltage and an ultrasonic signal resulting on the basis of this bombardment is produced by the first converter array in the wall of the pipe and detected by the further converter array, whereby the detected signal is analyzed, stored and/or displayed by the analysis and/or display unit.
According to another aspect of the present invention, there is provided a pipe with a coating and used for the transport of a medium, comprising a wall, that is provided with the coating on an inner side of the wall, wherein for measurement of thickness of the coating of the pipe from external the pipe, there is a converter array that is arranged on the inner side of the pipe together with the coating, wherein the converter array is designed to receive a signal that is delivered externally in the wall, from which electrical energy is created by the converter array for bombarding at least one electrical conductor of the converter array, whereby the at least one electrical conductor of the converter array is at least partially arranged in the coating and the converter array is designed to deliver a signal based on the bombardment in the wall.
According to another aspect of the present invention, there is provided a pipe system comprising a pipe as described herein, wherein a further converter array is arranged on an outer side of the pipe, which is connectable with an analysis and/or display unit.
According to another aspect of the present invention, there is provided a method for measurement of a thickness of an inner coating of a pipeline, comprising a pipe system as described herein, whereby an ultrasonic signal is produced in the wall by the converter array that is to be arranged outside of the pipe and that the same is at least partially received by the converter array and is transformed into electrical energy, and based on the electrical energy at least one electrical conductor that is arranged in the coating is bombarded with current, voltage, or both, and an ultrasonic signal resulting based on the bombardment is produced by the converter array in the wall of the pipe and detected by the further converter array, whereby the detected signal is analyzed, stored or displayed, or any combination thereof by the analysis and/or display unit.
lb According to another aspect of the present invention, there is provided of a pipe with a coating and for transporting a medium, the pipe comprising a wall, wherein an inside of the wall is provided with the coating, a first transducer arrangement being arranged, together with the coating, on the inside of the pipe, to measure a thickness of the coating of the pipe from external the pipe, with said first transducer arrangement being formed to receive a signal emitted from external the pipe into the wall, from which signal the first transducer arrangement is able to generate electrical energy for applying to at least one electrical conductor of the first transducer arrangement, the at least one electrical conductor of the first transducer arrangement being arranged at least partially in the coating and the first transducer arrangement being formed for emitting a second signal, as a result of the application, into the wall .
It is foreseen according to the invention that for measurement of the thickness of a coating of the pipe from the outside, a first converter array, which is designed to receive a signal that is delivered into the wall from the outside, is arranged together with the coating, on the inside of the pipe and through which electrical energy can be generated by means of the converter array for bombardment of at least one electrical conductor, whereby the conductor of the converter array is at least partially arranged in the coating of the pipeline and the converter array is designed to deliver a signal based upon the bombardment in the wall. Without endangering the integrity of the pipe and thereby of a pipeline wall, a converter array is arranged inside the pipe and is typically covered by the coating on the inner side of the pipe, this converter array receives lc Date Recue/Date Received 2020-05-25 a signal that is delivered from the outside into the wall, then converts the same into electrical energy and on the basis of the available energy, an electrical conductor, that is at least partially arranged in the coating, can be verified. This can, for example, take place by means of a measurement of the voltage or alternatively the current that is present at this conductor. Upon exposure of the conductor due the coating already have been worn down, it is possible that the electrical signal measured at this conductor can be changed, which will be reflected in the signal which is further transmitted by the converter array in the pipeline. As an example, were the conductor to become thinner due to abrasion, a greater resistance will result.
Through the knowledge of the position of the electrical conductor there is thereby knowledge of wear and tear of the coating. Correspondingly, the thickness of the pipeline can approximately be determined.
The converter array is advantageously equipped with a multitude of conductors, which are arranged in the direction of the thickness, which is to say preferably perpendicular to the wall, in a variety of positions. At least a portion of the respective conductor would thereby be differentially distanced from the inner side of the typically metallic wall.
It can then be determined by means of an interrogation of the conductor and through a corresponding signal, which of the conductors has already been exposed or alternatively changed. It is hereby possible to determine how far the wear and tear of the coating has progressed with a resolution that corresponds to the distance of the conductor.
On top of a positioning of the conductors at various distances from the wall, it is naturally also possible to differentially position the conductors in a circumferential direction on the inside of the wall, to be able to receive information relating to the abrasion of the coating.
Even when the pipeline is viewed lengthwise, it is possible that there is a multitude of corresponding converter arrays or alternatively, as the case may be, conductors of a single converter that are positioned, so as to also obtain information relating to the abrasion in the longitudinal direction.
Preferably at least one conductor is provided with a conductor part that is vulnerable to erosion, even more preferred is when all the conductors are provided with a conductor part that is vulnerable to erosion. In this case we are dealing with fracture or damage points, which come under attack by the medium that is being transported once the protective coating has been destroyed by the same. When current, or alternatively voltage, bombards the associated
The invention likewise concerns a pipe with a converter array as well as a method for the measurement of the thickness of an internal coating of a pipeline.
Traditional pipelines, which are foreseen for the transport of oil-sand mixtures or other highly abrasive media, are provided with coatings on the inside, so as to protect the pipeline wall.
Typically, the pipeline or alternatively the pipe wall is manufactured of steel, whereas the coating is built up of at least one elastomer, for example, a polyurethane.
The thickness of the coating wears down with the quantity of the abrasive medium that is transported, such that the pipelines need to be disassembled in a time-consuming manner to verify the coating of the pipelines. It would be desirable to have a simple possibility for inspection of the thickness of the coating for the verification of the thickness of the coating and thereby answer the question as to when a pipeline portion needs to be replaced. Until now, this is not the case.
It is therefore an object of the invention to provide an alternative possibility for the measurement of the thickness of the coating of pipes, in particular of pipelines.
According to an aspect of the present invention, there is provided a pipe with a coating and used for the transport of a medium, in particular a water-containing oil-sand mixture, comprising a wall, that is provided with a coating on the inner side that is preferably built up out of at least one elastomer, characterized by the fact that for measurement of the thickness of the coating of the pipe from the outside, there is a (first) converter array that is arranged on the inner side of the pipe together with the coating, and that the converter array is designed to receive a signal that is delivered from outside in the wall, from which electrical energy can be created by means of the converter array for the purpose of bombarding at least one electrical conductor, whereby the conductor of the converter array is at least partially arranged in the coating and the converter array is designed to deliver a signal on the basis of the bombardment in the wall.
In some embodiments of the present invention, there can be provided the pipe as described herein, characterized by the fact that the converter array exhibits a multitude of conductors, which are arranged in various positions in the direction of the thickness of the coating.
In some embodiments of the present invention, there can be provided the pipe as described herein, characterized by the fact that the conductors are differentially positioned from the inner side of the wall in the coating.
In some embodiments of the present invention, there can be provided the pipe as described herein, characterized by the fact that the at least one conductor features a conductor part that is vulnerable to erosion.
In some embodiments of the present invention, there can be provided the pipe as described herein, characterized by the fact that the conductor is designed to create, at least at the time of bombardment, a closed conductor circuit with switching electronics when the conductor is in a state in which it has not been influenced by the mixture.
In some embodiments of the present invention, there can be provided the pipe as described herein, characterized by the fact that at least a part of a further converter array is arranged on the outer side of the pipe, the signal of which can be received by the converter array in the event of operation.
In some embodiments of the present invention, there can be provided the pipe as described herein, characterized by the fact that the converter array comprises a piezoelectric element.
According to another aspect of the present invention, there is provided a pipe arrangement comprising a pipe as described herein, whereby a further converter array is arranged on the outer side of the pipe, which is connectable with an analysis and/or display unit.
According to another aspect of the present invention, there is provided a method for the measurement of the thickness of the inner coating of a pipeline, comprising a pipe arrangement as described herein, whereby an ultrasonic signal is produced in the wall by the converter la array that is to be arranged outside of the pipe and that the same is at least partially received by the first converter array and is transformed into electrical energy, and on the basis of this energy at least one electrical conductor that is arranged in the coating is bombarded with current and/or voltage and an ultrasonic signal resulting on the basis of this bombardment is produced by the first converter array in the wall of the pipe and detected by the further converter array, whereby the detected signal is analyzed, stored and/or displayed by the analysis and/or display unit.
According to another aspect of the present invention, there is provided a pipe with a coating and used for the transport of a medium, comprising a wall, that is provided with the coating on an inner side of the wall, wherein for measurement of thickness of the coating of the pipe from external the pipe, there is a converter array that is arranged on the inner side of the pipe together with the coating, wherein the converter array is designed to receive a signal that is delivered externally in the wall, from which electrical energy is created by the converter array for bombarding at least one electrical conductor of the converter array, whereby the at least one electrical conductor of the converter array is at least partially arranged in the coating and the converter array is designed to deliver a signal based on the bombardment in the wall.
According to another aspect of the present invention, there is provided a pipe system comprising a pipe as described herein, wherein a further converter array is arranged on an outer side of the pipe, which is connectable with an analysis and/or display unit.
According to another aspect of the present invention, there is provided a method for measurement of a thickness of an inner coating of a pipeline, comprising a pipe system as described herein, whereby an ultrasonic signal is produced in the wall by the converter array that is to be arranged outside of the pipe and that the same is at least partially received by the converter array and is transformed into electrical energy, and based on the electrical energy at least one electrical conductor that is arranged in the coating is bombarded with current, voltage, or both, and an ultrasonic signal resulting based on the bombardment is produced by the converter array in the wall of the pipe and detected by the further converter array, whereby the detected signal is analyzed, stored or displayed, or any combination thereof by the analysis and/or display unit.
lb According to another aspect of the present invention, there is provided of a pipe with a coating and for transporting a medium, the pipe comprising a wall, wherein an inside of the wall is provided with the coating, a first transducer arrangement being arranged, together with the coating, on the inside of the pipe, to measure a thickness of the coating of the pipe from external the pipe, with said first transducer arrangement being formed to receive a signal emitted from external the pipe into the wall, from which signal the first transducer arrangement is able to generate electrical energy for applying to at least one electrical conductor of the first transducer arrangement, the at least one electrical conductor of the first transducer arrangement being arranged at least partially in the coating and the first transducer arrangement being formed for emitting a second signal, as a result of the application, into the wall .
It is foreseen according to the invention that for measurement of the thickness of a coating of the pipe from the outside, a first converter array, which is designed to receive a signal that is delivered into the wall from the outside, is arranged together with the coating, on the inside of the pipe and through which electrical energy can be generated by means of the converter array for bombardment of at least one electrical conductor, whereby the conductor of the converter array is at least partially arranged in the coating of the pipeline and the converter array is designed to deliver a signal based upon the bombardment in the wall. Without endangering the integrity of the pipe and thereby of a pipeline wall, a converter array is arranged inside the pipe and is typically covered by the coating on the inner side of the pipe, this converter array receives lc Date Recue/Date Received 2020-05-25 a signal that is delivered from the outside into the wall, then converts the same into electrical energy and on the basis of the available energy, an electrical conductor, that is at least partially arranged in the coating, can be verified. This can, for example, take place by means of a measurement of the voltage or alternatively the current that is present at this conductor. Upon exposure of the conductor due the coating already have been worn down, it is possible that the electrical signal measured at this conductor can be changed, which will be reflected in the signal which is further transmitted by the converter array in the pipeline. As an example, were the conductor to become thinner due to abrasion, a greater resistance will result.
Through the knowledge of the position of the electrical conductor there is thereby knowledge of wear and tear of the coating. Correspondingly, the thickness of the pipeline can approximately be determined.
The converter array is advantageously equipped with a multitude of conductors, which are arranged in the direction of the thickness, which is to say preferably perpendicular to the wall, in a variety of positions. At least a portion of the respective conductor would thereby be differentially distanced from the inner side of the typically metallic wall.
It can then be determined by means of an interrogation of the conductor and through a corresponding signal, which of the conductors has already been exposed or alternatively changed. It is hereby possible to determine how far the wear and tear of the coating has progressed with a resolution that corresponds to the distance of the conductor.
On top of a positioning of the conductors at various distances from the wall, it is naturally also possible to differentially position the conductors in a circumferential direction on the inside of the wall, to be able to receive information relating to the abrasion of the coating.
Even when the pipeline is viewed lengthwise, it is possible that there is a multitude of corresponding converter arrays or alternatively, as the case may be, conductors of a single converter that are positioned, so as to also obtain information relating to the abrasion in the longitudinal direction.
Preferably at least one conductor is provided with a conductor part that is vulnerable to erosion, even more preferred is when all the conductors are provided with a conductor part that is vulnerable to erosion. In this case we are dealing with fracture or damage points, which come under attack by the medium that is being transported once the protective coating has been destroyed by the same. When current, or alternatively voltage, bombards the associated
2 conductor, this then clearly results in a different signal when compared to a non-damaged conductor.
Advantageously, when the conductor is in a state in which it has not been influenced by the mixture, it creates a closed conductor circuit at least at the time of the bombardment, eventually by means of switching electronics, so that it can easily be determined by means of a continuity test whether the conductor has been exposed and thereby whether the coatings has correspondingly been reduced.
Preferably at least a part of a converter or a converter array is arranged on the outer side of the pipe, the signal of which can be received by the first converter array in the event of operation. In this case, one can be dealing with a converter part that is fixed on the corresponding location of the wall, which jointly with a further part that is to be fitted in event of verifications, results in a further converter array, by means of which a signal, for example, formed as an ultrasonic signal can be delivered in the wall of the pipeline. In this respect, it is also possible to carry out a permanent monitoring of the coating through devices that are installed on a permanent basis.
This monitoring can also be carried out at a remote location by hard-wired or wireless transmission of the signal that is recorded by the further converter array that is arranged externally. In this manner, it is possible that a multitude of measurement locations with pipe arrays according to the invention can be monitored when bundled together in a switchboard.
For the generation of ultrasound, which can readily be employed by pipelines both for transmission of energy, as well as for signals through the walls of pipes, the wall array or alternatively both converter arrays are equipped with a piezoelectric element.
In this, one can be dealing with a ceramic or also a crystal that is firmly connected with the metallic surface of the pipe and, in the cases of an array on the inside, are integrated in the coating. As an example, it is possible that, following installation of the converter array on the inside, the same is covered over, for example, by pouring.
In particular, a further converter array is arranged on the outer side of the pipe, which is connectable with an analysis or display unit. An array according to the invention therefore includes a converter array both on the inside as well as on the outside, that can transport non-destructive energy from the outside to the inside of the pipe, as well as the converse, for the signals leading to the analysis.
Advantageously, when the conductor is in a state in which it has not been influenced by the mixture, it creates a closed conductor circuit at least at the time of the bombardment, eventually by means of switching electronics, so that it can easily be determined by means of a continuity test whether the conductor has been exposed and thereby whether the coatings has correspondingly been reduced.
Preferably at least a part of a converter or a converter array is arranged on the outer side of the pipe, the signal of which can be received by the first converter array in the event of operation. In this case, one can be dealing with a converter part that is fixed on the corresponding location of the wall, which jointly with a further part that is to be fitted in event of verifications, results in a further converter array, by means of which a signal, for example, formed as an ultrasonic signal can be delivered in the wall of the pipeline. In this respect, it is also possible to carry out a permanent monitoring of the coating through devices that are installed on a permanent basis.
This monitoring can also be carried out at a remote location by hard-wired or wireless transmission of the signal that is recorded by the further converter array that is arranged externally. In this manner, it is possible that a multitude of measurement locations with pipe arrays according to the invention can be monitored when bundled together in a switchboard.
For the generation of ultrasound, which can readily be employed by pipelines both for transmission of energy, as well as for signals through the walls of pipes, the wall array or alternatively both converter arrays are equipped with a piezoelectric element.
In this, one can be dealing with a ceramic or also a crystal that is firmly connected with the metallic surface of the pipe and, in the cases of an array on the inside, are integrated in the coating. As an example, it is possible that, following installation of the converter array on the inside, the same is covered over, for example, by pouring.
In particular, a further converter array is arranged on the outer side of the pipe, which is connectable with an analysis or display unit. An array according to the invention therefore includes a converter array both on the inside as well as on the outside, that can transport non-destructive energy from the outside to the inside of the pipe, as well as the converse, for the signals leading to the analysis.
3 A method according to the invention for measurement of the thickness of an inside coating of a pipeline is thereby laid out as described here above.
In particular, in the case of a correspondingly available pipe array with preferably ultrasonic converter units on the outside, as well as also on the inside of the pipe, initially, outside of the pipe, an ultrasonic signal is generated in the wall of the pipe, with the same at least partially received by the first converter array and converted into electrical energy. On the basis of this energy, at least one electrical conductor, preferably a multitude of conductors, which are arranged in the coating, are bombarded with voltage and/or current. An ultrasonic signal that results from this bombardment is produced by the first converter array in the wall of the pipe and detected by the further converter array, whereupon the detected signal is analyzed, stored and/or displayed by the analysis and/or display unit.
Further advantages and details of the invention can be recognized on the basis of the following Figure specifications. Schematic representations can be found in:
Fig. 1 of a converter array as part of a pipe according to the invention, Fig. 2 of the object according to Fig. 1 from an additional point of view, Fig, 3 of a pipe according to the invention in a partial sliced point of view, Fig. 4 of a partial point of view of a pipe arrangement according to the invention, Fig. 5 of a representation of the principle of a pipe arrangement according to the invention.
It is also possible to combine individual technical features of the hereinafter described embodiments in combination with previously described embodiments. Inasmuch as is reasonable, elements that have the same functional effect are provided the identical reference numbers.
In accordance with Fig. 1, a converter array is provided with a series of electrical conductors 1, in the form of wear and tear wires that protrude to varying depths in a coating. The same are arranged on a circuit board 2 in an N-shape. On top of not further numbered electronics for the production of energy from a recorded ultrasonic signal, the conductor housing of the converter array features a piezoelectric sound generator in the form of a piezoceramic 4 (Fig. 2). This can
In particular, in the case of a correspondingly available pipe array with preferably ultrasonic converter units on the outside, as well as also on the inside of the pipe, initially, outside of the pipe, an ultrasonic signal is generated in the wall of the pipe, with the same at least partially received by the first converter array and converted into electrical energy. On the basis of this energy, at least one electrical conductor, preferably a multitude of conductors, which are arranged in the coating, are bombarded with voltage and/or current. An ultrasonic signal that results from this bombardment is produced by the first converter array in the wall of the pipe and detected by the further converter array, whereupon the detected signal is analyzed, stored and/or displayed by the analysis and/or display unit.
Further advantages and details of the invention can be recognized on the basis of the following Figure specifications. Schematic representations can be found in:
Fig. 1 of a converter array as part of a pipe according to the invention, Fig. 2 of the object according to Fig. 1 from an additional point of view, Fig, 3 of a pipe according to the invention in a partial sliced point of view, Fig. 4 of a partial point of view of a pipe arrangement according to the invention, Fig. 5 of a representation of the principle of a pipe arrangement according to the invention.
It is also possible to combine individual technical features of the hereinafter described embodiments in combination with previously described embodiments. Inasmuch as is reasonable, elements that have the same functional effect are provided the identical reference numbers.
In accordance with Fig. 1, a converter array is provided with a series of electrical conductors 1, in the form of wear and tear wires that protrude to varying depths in a coating. The same are arranged on a circuit board 2 in an N-shape. On top of not further numbered electronics for the production of energy from a recorded ultrasonic signal, the conductor housing of the converter array features a piezoelectric sound generator in the form of a piezoceramic 4 (Fig. 2). This can
4 be employed to record and deliver ultrasonic waves.
According to Fig. 3 and Fig. 4, the piezoceramic is in contact with one inner side of a wall 5 of a pipe, which is provided with a coating 6. There is a further part of a converter array in the form of an external piezoceramic disc 7 that is present on the outer side in immediate correspondence of the wall 5. The wear and tear wires protrude to varying extents from the inner side of the wall in the direction of the inner surface of the coating.
In the case of abrasion of the coating, the wire that stands proudest in Fig.
3 will thereby initially be damaged, whereupon a signal that is correspondingly modified when compared to the unaffected state can be transmitted from the electronics of the converter array by means of ultrasound to the ceramic disc 7. The signal intercepted by the ceramic disc 7 can correspondingly be displayed as intercepted by means of an analysis and/or display unit 8 as well as eventually be forwarded and/or stored (Fig. 4).
According to Fig. 5, the electronics on the inside of the pipe and in the first converter unit comprise a pulse shaper 9, a transmitter 10, which brings a piezocrystal 11 to oscillate. The ultrasonic wave that is thus produced in the pipe wall 12 is detected by a further piezocrystal 11.1 on the outer side of the pipe. In the analysis unit the signal is then passed via an oscillator 14 and an analog switch 15 to an ultrasound. The signal that is then to be displayed on the display unit 20 results via an analog/digital converter.
Within the pipe, on top of a rectifier and an energy storage device 18 in the converter array, there is a monitoring circuit (17) with the electrical conductor 1 that is prescribed for the same.
According to Fig. 3 and Fig. 4, the piezoceramic is in contact with one inner side of a wall 5 of a pipe, which is provided with a coating 6. There is a further part of a converter array in the form of an external piezoceramic disc 7 that is present on the outer side in immediate correspondence of the wall 5. The wear and tear wires protrude to varying extents from the inner side of the wall in the direction of the inner surface of the coating.
In the case of abrasion of the coating, the wire that stands proudest in Fig.
3 will thereby initially be damaged, whereupon a signal that is correspondingly modified when compared to the unaffected state can be transmitted from the electronics of the converter array by means of ultrasound to the ceramic disc 7. The signal intercepted by the ceramic disc 7 can correspondingly be displayed as intercepted by means of an analysis and/or display unit 8 as well as eventually be forwarded and/or stored (Fig. 4).
According to Fig. 5, the electronics on the inside of the pipe and in the first converter unit comprise a pulse shaper 9, a transmitter 10, which brings a piezocrystal 11 to oscillate. The ultrasonic wave that is thus produced in the pipe wall 12 is detected by a further piezocrystal 11.1 on the outer side of the pipe. In the analysis unit the signal is then passed via an oscillator 14 and an analog switch 15 to an ultrasound. The signal that is then to be displayed on the display unit 20 results via an analog/digital converter.
Within the pipe, on top of a rectifier and an energy storage device 18 in the converter array, there is a monitoring circuit (17) with the electrical conductor 1 that is prescribed for the same.
5
Claims (9)
1. A pipe with a coating and for transporting a medium, the pipe comprising a wall, wherein an inside of the wall is provided with the coating, a first transducer arrangement being arranged, together with the coating , on the inside of the pipe, to measure a thickness of the coating of the pipe from external the pipe, with said first transducer arrangement being formed to receive a signal emitted from external the pipe into the wall, from which signal the first transducer arrangement is able to generate electrical energy for applying to at least one electrical conductor of the first transducer arrangement , the at least one electrical conductor of the first transducer arrangement being arranged at least partially in the coating and the first transducer arrangement being formed for emitting a second signal, as a result of the application, into the wall.
2. The pipe according to claim 1, wherein the medium comprises a water-containing oil sand mixture.
3. The pipe according to claim 2, wherein the at least one electrical conductor, in a state unaffected by the mixture, forms a closed circuit with electronic circuitry at least at time of the applying the electrical energy to the at least one electrical conductor.
4. The pipe according to any one of claims 1 to 3, wherein the coating is formed from at least one elastomer.
5. The pipe according to any one of clams 1 to 4, wherein the at least one electrical conductor of the first transducer arrangement comprises a plurality of conductors which are arranged at different positions in a direction of a thickness of the coating .
6. The pipe according to claim 5, wherein the conductors are placed in the coating at different distances from the inside of the wall .
Date Recue/Date Received 2020-05-25
Date Recue/Date Received 2020-05-25
7. The pipe according to any one of claims 1 to 6, wherein the at least one electrical conductor has a conductor part susceptible to erosion.
8. The pipe according to any one of claims 1 to 7, wherein at least part of a second transducer arrangement is arranged on an outside of the pipe, a signal of the second transducer arrangement being adapted to be received by the first transducer arrangement during operation.
9. The pipe according to any one of claims 1 to 8, wherein the first transducer arrangement comprises a piezoelectric element.
Date Recue/Date Received 2020-05-25
Date Recue/Date Received 2020-05-25
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015100065.2 | 2015-01-06 | ||
| DE102015100065.2A DE102015100065A1 (en) | 2015-01-06 | 2015-01-06 | Pipe, pipe assembly, and method of measuring the thickness of a coating of a pipeline |
| PCT/EP2015/002591 WO2016110312A1 (en) | 2015-01-06 | 2015-12-22 | Pipe, pipe arrangement and method for measuring the thickness of a coating of a pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2972930A1 CA2972930A1 (en) | 2016-07-14 |
| CA2972930C true CA2972930C (en) | 2021-04-27 |
Family
ID=55085621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2972930A Active CA2972930C (en) | 2015-01-06 | 2015-12-22 | Pipe, pipe array and method for the measurement of the thickness of a coating of a pipeline |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3243021A1 (en) |
| CA (1) | CA2972930C (en) |
| CL (1) | CL2017001774A1 (en) |
| DE (1) | DE102015100065A1 (en) |
| WO (1) | WO2016110312A1 (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5125274A (en) * | 1990-11-07 | 1992-06-30 | Sandvik Special Metals Corporation | Tube testing apparatus |
| FR2670583B1 (en) * | 1990-12-13 | 1994-03-04 | Valtubes | DEVICE FOR DETECTING DEFECTS BY ULTRA-SOUND IN METAL TUBES AND METHOD FOR ITS IMPLEMENTATION. |
| 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 (en) * | 2002-11-20 | 2005-02-25 | Framatome Anp | PROBE FOR CONTROLLING AN INTERNAL WALL OF A 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 (en) * | 2009-10-15 | 2011-04-21 | Siemens Aktiengesellschaft | Fluid pipe and method for detecting a deformation on the fluid pipe |
| US9759556B2 (en) * | 2011-10-18 | 2017-09-12 | Cidra Corporate Services, Inc. | Acoustic probing technique for the determination of interior pipe coating wear or scale build-up and liner wear |
-
2015
- 2015-01-06 DE DE102015100065.2A patent/DE102015100065A1/en not_active Withdrawn
- 2015-12-22 WO PCT/EP2015/002591 patent/WO2016110312A1/en active Application Filing
- 2015-12-22 EP EP15823315.5A patent/EP3243021A1/en not_active Withdrawn
- 2015-12-22 CA CA2972930A patent/CA2972930C/en active Active
-
2017
- 2017-07-04 CL CL2017001774A patent/CL2017001774A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA2972930A1 (en) | 2016-07-14 |
| CL2017001774A1 (en) | 2018-01-19 |
| WO2016110312A1 (en) | 2016-07-14 |
| EP3243021A1 (en) | 2017-11-15 |
| DE102015100065A1 (en) | 2016-07-07 |
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| EEER | Examination request |
Effective date: 20190305 |