WO2000017566A1 - Repararation de canalisations doublees - Google Patents

Repararation de canalisations doublees Download PDF

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Publication number
WO2000017566A1
WO2000017566A1 PCT/AU1999/000809 AU9900809W WO0017566A1 WO 2000017566 A1 WO2000017566 A1 WO 2000017566A1 AU 9900809 W AU9900809 W AU 9900809W WO 0017566 A1 WO0017566 A1 WO 0017566A1
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WO
WIPO (PCT)
Prior art keywords
pipeline
lining
vehicle
conveyance
lined
Prior art date
Application number
PCT/AU1999/000809
Other languages
English (en)
Inventor
Stephen Reginald Brown
Mark Berkeley Fitzhardinge
William Alan Hodgkinson
Original Assignee
Water Corporation
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 Water Corporation filed Critical Water Corporation
Priority to GB0107465A priority Critical patent/GB2357560B/en
Priority to AU61827/99A priority patent/AU764481B2/en
Publication of WO2000017566A1 publication Critical patent/WO2000017566A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/18—Appliances for use in repairing pipes

Definitions

  • This invention relates to a method of refurbishing a lined pipeline and means to facilitate such refurbishment.
  • lining composition shall be taken as including any form of composition such as cement mortar, concrete, plastics materials (such as urethane or ethylene based materials), epoxy materials, paints or like compositions which are suitable for application to the internal surface of a pipeline for use as a protective lining.
  • a particular application of the invention relates to the refurbishing of water pipelines which have been lined with a lining composition.
  • the invention resides in a method of selectively repairing the lining of a lined pipeline, said method comprising utilisation of a conveyance adapted to be receivable within the pipeline, said conveyance being adapted to be able to travel through the pipeline, said method further comprising introducing said conveyance into the pipeline, said conveyance comprising an inspection means, an excising means, a debris removal means and an application means, said method further comprising an identification step comprising causing the conveyance to travel along the length of the pipeline, inspecting the surface of the lining and identifying and locating damaged portions of the lining at locations along the pipeline, said method further comprising an excising step comprising moving said conveyance means along the pipeline and at the locations identified by the inspection excising the damaged portions of the lining from the pipeline, said method further comprising a debris removal step comprising causing said conveyance means to travel along said length of the pipeline to remove the debris left in the pipeline by the excising step, and said method comprising an application step comprising causing said conveyance means to travel along the said length of the
  • said method further comprises cutting a length of pipe from the pipeline at a location to provide a gap in the pipeline at the location, locating a support tray between the opposed ends of the remaining pipeline to span the lower portion of the gap and to provide a continuation of the lower surface of the pipeline across the gap.
  • the pipeline is above the ground at the location.
  • the pipeline is buried at the location and the method further comprises exposing the length of pipe at the location prior to the length of pipe being cut from the pipeline.
  • said conveyance means comprises a plurality of self propelled and self powered vehicles which comprise: at least one inspection vehicle for said inspection step; an excising vehicle for said excising step; at least one removal vehicle for said removal of debris step; and at least one application vehicle for said application step.
  • At least some of the vehicles are adapted to be operated remotely. According to one embodiment all of the vehicles are adapted to be operated remotely. According to an alternative embodiment at least one of the vehicles is adapted to be operated by an operator in-situ in the pipeline and incorporates controls operable by the operator to effect at least some of the operations of the vehicle. According to a feature of the alternative embodiment the at least one vehicle is provided with a support to enable the operator to be supported by the vehicle. According to an alternative feature of the embodiment the at least one vehicle is associated with an operator trolley which is coupled to the at least one vehicle wherein the operator trolley is provided with a support to enable the operator to be supported by the operator trolley. According to a particular form the operator trolley is provided with the controls.
  • said inspection step comprises causing the inspection vehicle to travel along the interior of the pipeline and during such travel inspecting the lining within the pipeline, identifying locations of damaged or deteriorated lining and maintaining a log recording the axial position of said location along the length of the pipeline, the radial location of the location around the pipeline, and the type of damage.
  • the inspection step is conducted remotely.
  • the inspection step involves utilisation of an operator supported on the inspection vehicle, said operator being skilled in identifying the damaged or deteriorated portions of the lining, said identifying of damaged or deteriorated lining including the operator providing markings on the lining to indicate the locations.
  • said excising step comprises utilisation of a remotely controlled nozzle connected to a source of high pressure fluid whereby said nozzle is able to be moved to direct a jet of said high pressure fluid, said remotely controlled nozzle being supported from the excising vehicle, said method causing the excising vehicle to travel along the interior of the pipeline and during such travel causing the nozzle to direct said jet of said high pressure fluid onto the damaged lining at the locations in order to remove the lining at said locations.
  • the excising vehicle is associated with a remote control station which is provided with a display means and controls to enable the remote operation of the vehicle and the nozzle from the control station by an operator.
  • said application step comprises causing the application vehicle to travel along the length of the pipeline and causing the application vehicle to applying the fresh lining composition to the locations at which the lining has been excised.
  • the lining composition is applied to a discrete location by spraying utilising a directional nozzle.
  • the lining composition is applied around the internal circumference of the pipeline by the centrifugal application of the lining composition.
  • the lining composition comprises a cementitious composition.
  • the method further comprises the delivery of lining composition to the application vehicle during the application of the lining composition to the pipeline.
  • the lining composition is delivered to the application vehicle by a delivery vehicle which is adapted to be able to travel through the pipeline and carry a quantity of lining composition to the application vehicle, said delivery vehicle having a conveying means adapted to be able to convey the lining composition from the delivery vehicle to the application vehicle.
  • said conveyance means comprises a plurality of self propelled and self powered vehicles which comprise: an inspection vehicle for said inspection step; an excising vehicle for said excising step; at least one removal vehicle for said removal of debris step; and at least one application vehicle for said application step.
  • At least some of the vehicles are adapted to be operated remotely. According to one embodiment all of the vehicles are adapted to be operated remotely. According to an alternative embodiment at least one of the vehicles is adapted to be operated by an operator in-situ in the pipeline and incorporates controls operable by the operator to effect at least some of the operations of the vehicle. According to a feature of the alternative embodiment the at least one vehicle is provided with a support to enable the operator to be supported by the vehicle. According to an alternative feature of the embodiment the at least one vehicle is associated with an operator vehicle which is coupled to the at least one vehicle wherein the operator vehicle is provided with a support to enable the operator to be supported by the operator vehicle. According to a particular form the operator vehicle is provided with the controls.
  • the inspection vehicle incorporates a viewing means which comprises an illumination means and a viewing means comprising at least one camera adapted to facilitate inspection of the lining of the pipeline remotely.
  • the orientation of the stream to the surface of the pipeline can be adjusted.
  • the excising vehicle incorporates a second nozzle which is directed onto the lower portion of the pipeline forward of the vehicle, wherein the second nozzle generates a forwardly directed jet of fluid having a transverse extent.
  • the debris removal vehicle is adapted to travel along the pipeline and collect the debris generated by the excising step from the pipeline wherein the vehicle is adapted to remove large and small items of debris from the pipeline.
  • the debris removal vehicle comprises a plurality of vehicles comprising a primary vehicle adapted to remove the large items of debris from the pipeline and a secondary vehicle for removal of the smaller items from the pipeline.
  • the debris removal vehicle also comprises a tertiary vehicle for the removal of fine material from the pipeline.
  • the primary vehicle comprises a scooping means, a conveying means and a hopper said scooping means being adapted to scoop larger items of debris from the pipeline, the conveying means being adapted to convey the items from the scooping means to the hopper.
  • the secondary vehicle comprises a brushing means, a vacuum extraction means and a hopper, said brushing means being adapted to brush the lower surface of the pipeline, the vacuum extraction means being adapted to convey the fine materials and water to the hopper.
  • the tertiary vehicle comprises a washing means, a vacuum extraction means and a hopper, said washing means being adapted wash the fine materials from the surface of the pipeline, the vacuum extraction means being adapted to convey the fine materials and water to the hopper.
  • the debris removal vehicle comprises a single vehicle incorporating scooping means, a brushing means, a washing means, a conveying means, a vacuum extraction means and a hopper, said scooping means being adapted to scoop larger items of debris from the pipeline, the conveying means adapted to convey the items to the hopper, the brushing means adapted to brush the lower surface of the pipeline, the washing means adapted to wash fine materials from the surface of the pipeline, the vacuum extraction means associated with the brushing means and washing means to convey materials dislodged by the brushing means and the washing means to the hopper.
  • the application vehicle comprises a hopper adapted to accommodate a quantity of said lining composition, a pump means for pumping said lining composition and an outlet which is capable of directing said lining composition onto the surface of the pipeline.
  • a delivery means is provided between the hopper and the pump and the delivery means is adapted to deliver the lining composition to the pump.
  • the application vehicle includes an operator trolley which is adapted to accommodate an operator, wherein said outlet is supported from an operator trolley and is adapted to be controlled by the operator.
  • the inspection vehicle and excising vehicle comprise a single vehicle.
  • Figure 4 is a side elevation of the primary removal vehicle according to the first embodiment
  • Figure 5 is a side elevation of the secondary removal vehicle according to the first embodiment
  • Figure 7 is a schematic side elevation of an application vehicle according to the first embodiment.
  • Figure 8 is a side elevation of a delivery vehicle according to the first embodiment.
  • the method according to the embodiment comprises initially cutting a section from the length of pipeline as shown at Figure 1 to create a gap 10 between two opposed ends of the pipeline.
  • a number of gaps 10 of the form as described above and shown at Figure 1 at spacings of approximately three to four hundred metres apart, whereby the various stages of the refurbishment process (ie. inspection, excising, removal of debris and application) can be effected simultaneously at different locations along the pipeline.
  • the gap is filled by a tray 11 which is intended to provide a continuation of the lower portion of the pipeline between the exposed ends 12 of the pipeline which have been created by the creation of the gap.
  • the tray is adapted at each end to be supported from each end 12 of the pipeline.
  • the tray is provided at an intermediate position along its length with an opening in its lower face.
  • the vehicles which comprise the conveyance of the embodiment comprise: an inspection vehicle 30 (shown at Figure 2);
  • an application vehicle comprising an operator trolley 80 a hopper vehicle 90 and a battery vehicle 84 (shown at Figure 7);
  • a delivery vehicle 100 (shown at Figure 8).
  • the battery pack may be carried by a separate vehicle (ie battery vehicles 52 of Figure 4, 62 of Figure 5, 72 of Figure 6 and 84 of Figure 7) where there is insufficient space available on a particular functioning vehicle or it is inappropriate to locate the battery pack on a functioning vehicle given the function of the functioning vehicle.
  • the vehicle may comprise or incorporate an operator trolley which is supported from a set of non-driven wheels and has a chassis which is configured to provide a platform which will accommodate an operator.
  • the operator trolley is coupled to a the respective functional vehicle which has a chassis which is supported by a set of driven wheels which are associated with drive motors which are drivingly connected to the drive wheels.
  • the functional vehicle provides the motive force to enable the operator trolley to travel through the pipeline as well as all specialist equipment to meet the functional requirements of the respective vehicle.
  • the operator trolley is provide with the appropriate controls to enable the operator to control the movement of the operator trolley through the pipeline and the functions of the vehicle with which the trolley is associated.
  • the operator trolley may be provided with a visual display unit screen, an illumination means and a viewing means in the form of one or more cameras to facilitate the control of the vehicle with which the operator trolley is associated.
  • the method according to the embodiment initially comprises inspecting the length of pipeline between adjacent gaps 10 in the pipeline.
  • an inspection vehicle 30 as shown at Figure 2 which comprises an operator trolley 20. which is supported from a set of non-driven wheels 21 and has a chassis which is configured to provide a platform which will accommodate an operator 31.
  • the operator trolley is coupled to a traction trolley 32 which has a chassis which supports a battery pack and is supported by a set of drive wheels 35 which are associated with drive motors 34 which are drivingly connected to the drive wheels 35.
  • the traction trolley 32 provides the motive force to enable the inspection vehicle to travel through the pipeline.
  • the forward end of the operator trolley is provided with a hand control 36 which can be manipulated by the operator 31 to effect the controlled movement of the inspection vehicle along the pipeline.
  • the operator trolley 30 is associated with an illumination means which is able to illuminate the walls of the pipeline to facilitate the visual inspection of the pipeline by the occupant 31.
  • the operator trolley is associated with a communication means.
  • the inspection vehicle can include a viewing means in the form of one or more video cameras which ;an be used to provide a record of the state of the pipeline prior to its refurbishment.
  • the operator 31 when inspecting the pipeline will physically mark the locations of the damaged portions of the pipeline for later identification during the excising operation.
  • an excising vehicle as shown at Figure 3.
  • the excising vehicle is operated remotely such that is able to move independently along the length of the pipeline and as shown at Figure 3 accommodates a battery pack 41 and a set of drive motors 42 which are drivingly connected to the wheels 43 of the vehicle 40.
  • the forward end of the vehicle 40 is provided with an illumination means in the form of suitable lights and a set of video cameras which are accommodated within a housing 44 and which facilitate the visual inspection of the lining in order to control, monitor and record the excising step.
  • the forward end of the excising vehicle accommodates a excising nozzle 45 which is capable of rotating about a longitudinal axis of the vehicle and which is directed generally radially.
  • the excising nozzle 45 is intended to effect the removal of the lining at the locations identified by the inspection step and is capable of producing a jet of high pressure fluid which if desired can incorporate abrasive particulate materials to enhance its action.
  • the excising vehicle is provided with a washing nozzle 46 which is directed forwardly and axially from the forward end of the excising vehicle 40 and which can be adjusted to be directed obliquely at the surface of the pipeline.
  • the washing nozzle 46 produces a spray which is capable of washing the surface of the pipeline.
  • the forward end of the excising vehicle 40 also accommodates a plurality of debris clearance nozzles 47 which are directed forwardly and downwardly such that it they are directed onto the surface of the pipeline ahead of the excising vehicle.
  • the debris clearance nozzles 47 jointly produce a high pressure spray having a lateral dimension such that it is able to impact upon debris generatedjjy the excising process and drive it forwardly of the excising vehicle as the excising vehicle moves along the length of the pipeline.
  • the excising vehicle 40 is associated with a high pressure fluid delivery conduit for the delivery of fluid to the excising nozzle 45, the washing nozzle 46 and the debris clearance nozzles 47.
  • the excising vehicle 40 is also associated with an umbilical which accommodates electrical cables for controlling all of the functions of the excising vehicle and transmitting the signals from the camera and any other sensors associated with the vehicle to the control room.
  • the excising vehicle In use the excising vehicle is caused to travel along the pipeline and when it reaches a previously identified location of damaged lining, the excising nozzle 45 is moved to a position such that it is directed towards the damaged portion and a jet of high stream fluid is then directed towards the damaged portion in order to remove the damaged portion of lining. During this operation the action of the excising nozzle 45 can be monitored through the camera to ensure that the excising action is adequate. In addition as the excising vehicle 40 moves along the length of the pipeline the surface of the pipeline is washed by the washing nozzle 46 to at least partially remove slimes and/or loose particles from the surface.
  • the debris clearance head 47 serves to drive any debris which is generated by the excising operation forward of the excising vehicle 40 such that the debris does not inhibit the movement of the excising vehicle along the pipeline.
  • the excising function, the washing function and the debris clearance function of the excising vehicle may be effected in unison or independently as separate functions.
  • the amount of debris in the pipeline inhibits the progress of the excising vehicle through the pipeline it may be necessary to extract the excising vehicle from the pipeline and effect the removal of the debris from the pipeline by at least partial utilisation of one or more of the debris removal vehicles as described below.
  • the debris removal vehicles comprise a primary removal vehicle 50 as shown at Figure 4 which is intended to remove large items of debris from the pipeline, a secondary removal vehicle 60 as shown at Figure 5 which is intended to brush the lower surface of the pipeline to remove smaller items and a tertiary removal vehicle 70 as shown at Figure 6 which enables the collection of fine materials and residual water which has been not collected by the primary and secondary removal vehicles.
  • Each of the removal vehicles is associated with an operator trolley 51 , 61 and 71 which are of a similar form to the operator trolley used with the inspection vehicle.
  • Each operator trolley 51 , 61 and 71 is able to accommodate an operator and is provided with a hand control whereby the operator is able to effect all of the functions of the respective vehicle.
  • each removal vehicle is associated with a battery pack 52, 62 and 72 respectively which is supported upon its own wheeled chassis and which powers the drive motors for the wheels of the primary, secondary and tertiary removal vehicles 50, 60 and 70 respectively as well as the motors associated with the conveying means (when present) and any other ancillary apparatus.
  • the primary removal vehicle 50 is provided with a forwardly extending scoop 53 which is supported upon a forwardly extending frame 54 which is pivotally supported from the forward end of the main body of the primary removal vehicle 50.
  • a hydraulic ram or like extension means is provided between the chassis and the frame 54 in order to control the elevation of the scoop 53 from the lower surface of the pipeline.
  • the scoop 53 is associated with a conveyor which comprises an endless belt 55 which extends along the length of the forwardly extending frame and for a portion of the length of the body of the primary removal vehicle 50 to terminate at a hopper 56 provided in the primary removal vehicle 50.
  • the primary removal vehicle In use the primary removal vehicle is moved along the pipeline with the scoop 53 in close engagement with the lower face of the pipeline whereby large items of debris are picked up by the scoop and carried to the conveyor whereby they are then conveyed to the debris hopper.
  • the hopper 56 which is provided in the primary removal vehicle 50 is provided with at least one closure on its lower face whereby the closure may be selectively opened to permit the contents of the hopper to be dumped. This is effected when the primary removal vehicle 50 is supported upon the tray 11 provided in the gap 10 between the two ends of the pipeline 12 whereby the closure is located directly over the opening 13 provided in the tray in order that the contents of the hopper are deposited onto the ground below the tray.
  • the secondary removal vehicle 60 as shown at Figure 5 is provided at its forward end with a brushing unit comprising a brush 63 having a profile corresponding to the profile of the lower portion of the pipe and which by its action is able to deliver debris from the floor of the pipeline to a hopper 65 provided within the body of the secondary removal vehicle 60.
  • the secondary removal vehicle 60 is also provided with a vacuum extraction means whereby the smaller debris not collected by the brush is sucked through a duct 64 to a second hopper 66 provided within the body of the secondary removal vehicle.
  • the hoppers 65 and 66 are also provided with at least one closure on their lower face to enable the contents of the hoppers to be deposited from the hoppers when the secondary removal vehicle is located on the tray 11 located in the gap 10 between two ends 12 of the pipeline.
  • the tertiary removal vehicle 70 as shown at Figure 6 comprises a washing and vacuum extraction unit whereby the excised portions of the pipe can be finally cleaned.
  • the vehicle comprises a water reservoir 73 which is connected through a pump 74 to an outlet nozzle 75 which is intended to direct a spray of water into the lower portion of the pipe.
  • the outlet nozzle 75 is associated with a vacuum inlet 76 which is connected to a hopper 77 whereby the water and entrained debris collecting in the lower portion of the pipe can be picked up and deposited into the hopper 76 supported on the vehicle.
  • the hopper 77 is provided with at least one closure in its lower face whereby the hopper can be opened to enable the contents to be deposited from the hopper when the tertiary removal vehicle is supported upon the tray 11 in the gap 10 between the two ends 12 of the pipe.
  • the application step comprises the selective application of a fresh lining composition to the locations at which the pre-existing lining has bee excised from the pipeline by the excising step.
  • an application vehicle of the form as shown as Figure 7 is utilised.
  • the application vehicle comprises an operator trolley 80 which is intended to accommodate an occupant and which has a hand control 81 to facilitate the controlled movement of the application vehicle along the pipeline.
  • the operator trolley 80 is provided with an application means for the application of a lining composition onto the wall of the pipe.
  • the application means can comprise a spray nozzle 82 supported upon on a radial arm 83 which is able to rotate about an longitudinal axis of the pipeline and which can be controlled in its movement and operation by the operator to effect a localised application of the lining composition to the pipeline.
  • the application step involves the wholesale application of a lining composition to a large area
  • the application means may comprise a spinner head which is caused to rotate about a longitudinal axis and which has an outlet from which the lining composition is delivered to be thrown centrifugally against the internal face of the pipeline to effect a spray pattern around the inner circumference of the pipeline.
  • the application vehicle also comprises a hopper vehicle 90 which is supported in the pipeline by a set of driven wheels 91 which are associated with drive motors.
  • the hopper vehicle 90 accommodates a hopper for the lining composition which is connected to the application means through a delivery means in the form of an auger and through a pump for the delivery of the lining composition to the application means.
  • the application vehicle is also associated with a battery vehicle 84 which is supported upon a wheeled chassis 85 and which is towed behind the hopper vehicle 90.
  • the application vehicle is also associated with a delivery vehicle 100 whereby the hopper 93 of the application vehicle can be refilled with the lining composition.
  • the delivery vehicle 100 is associated with an operator trolley 110 which accommodates an occupant who is able to control all of the functions of the delivery vehicle.
  • the operator trolley 110 is provided with a visual display unit screen which is associated with a camera and lighting means 103 provided at the forward end to the vehicle 100 whereby the operator is able to determine the location of the delivery relative to the application vehicle when approaching the application vehicle.
  • the delivery vehicle 100 comprises a hopper 104 which is intended accommodate the lining composition.
  • the hopper 104 is connected to a pump through a feed auger 105 which is connected to a delivery pipe 106 which extends forwardly from the delivery such that when the delivery vehicle is in close abutment with the rearward end of the application vehicle the delivery pipe 106 is located to enable the lining composition being delivered from the delivery pipe will be deposited into the hopper 93 of the application vehicle.
  • the delivery vehicle 100 enables the application vehicle to be used continuously in applying lining composition to the excised portions of the lining at the locations at which the lining has been excised without the need to return to the most adjacent gap 10 to be refilled with lining composition.
  • the inspection step and the excising step are effected remotely by the use of the same vehicle.
  • the camera of the excising vehicle of the first embodiment is used to remotely inspect the state of the lining as the excising vehicle travels along the pipeline. On a portion of the lining being identified as being inadequate the excising nozzle is activated to remove the lining so identified.
  • the observation by the camera may be supplemented by other sensing means to assess the quality of the lining in order to assess its adequacy.
  • the state of the pipeline before and/or after the excising action may be logged at the control station.
  • the removal vehicle may comprise a single vehicle which is able to achieve each of the functions of the primary, secondary and tertiary removal vehicles of the first embodiment.
  • the application vehicle may comprise a single vehicle which incorporates the combined features of the forward and rearward vehicles of the first embodiment.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Cleaning In General (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

Procédé destiné à réparer sélectivement le revêtement d'une canalisation doublée grâce à un dispositif de transport pouvant se loger et se déplacer à l'intérieur de celle-ci. Le dispositif comprend plusieurs véhicules ayant respectivement pour fonction: l'inspection des canalisations, le retrait des parties endommagées du revêtement, la récupération des débris qui en résultent et l'application d'un nouveau revêtement. Le procédé employé consiste donc en quatre étapes: 1) identification des parties endommagées du revêtement par le dispositif de transport qui se déplace le long de la canalisation; 2) retrait par le dispositif des parties endommagées identifiées lors de l'inspection de la canalisation; 3) récupération par le dispositif des débris et/ou de l'eau résiduelle suite au processus de retrait des parties endommagées et 4) application par le dispositif de transport d'un nouveau revêtement afin de remplacer les parties endommagées retirées préalablement. L'invention concerne également un dispositif de transport permettant de réparer sélectivement le revêtement d'une canalisation doublée selon le procédé décrit ci-dessus.
PCT/AU1999/000809 1998-09-22 1999-09-22 Repararation de canalisations doublees WO2000017566A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0107465A GB2357560B (en) 1998-09-22 1999-09-22 Repair of lined pipes
AU61827/99A AU764481B2 (en) 1998-09-22 1999-09-22 Repair of lined pipes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPP6092A AUPP609298A0 (en) 1998-09-22 1998-09-22 Refurbishment of lined piplines
AUPP6092 1998-09-22

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US09787863 A-371-Of-International 2001-05-25
US10/442,711 Continuation US20030198519A1 (en) 1998-09-22 2003-05-20 Repair of lined pipes

Publications (1)

Publication Number Publication Date
WO2000017566A1 true WO2000017566A1 (fr) 2000-03-30

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Application Number Title Priority Date Filing Date
PCT/AU1999/000809 WO2000017566A1 (fr) 1998-09-22 1999-09-22 Repararation de canalisations doublees

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Country Link
AU (1) AUPP609298A0 (fr)
GB (1) GB2357560B (fr)
WO (1) WO2000017566A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004083710A1 (fr) 2003-03-21 2004-09-30 Ingenieurbüro Willschütz GmbH & Co. KG Dispositif de mise hors service d'une partie de conduite sans interrompre le fonctionnement de l'ensemble de la conduite
CN115949830A (zh) * 2022-12-29 2023-04-11 国家石油天然气管网集团有限公司 一种管道内运行装置的运动平衡装置以及管道内运行装置

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Publication number Priority date Publication date Assignee Title
EP0178870A2 (fr) * 1984-10-12 1986-04-23 Universal Vision Company Méthode et dispositif pour l'entretien et l'inspection de tuyaux
US5388131A (en) * 1992-08-06 1995-02-07 Framatome Method and device for machining the internal surface of a tubular component and in particular an adaptor fixed to the vessel head of a pressurized water nuclear reactor
EP0666447A1 (fr) * 1994-02-03 1995-08-09 Compagnie Generale Des Matieres Nucleaires Dispositif porteur pour des modules d'intervention dans un puits tel qu'un tube dissolveur
JPH0975870A (ja) * 1995-09-18 1997-03-25 Ito Koki Kk ニードル衝打装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0178870A2 (fr) * 1984-10-12 1986-04-23 Universal Vision Company Méthode et dispositif pour l'entretien et l'inspection de tuyaux
US5388131A (en) * 1992-08-06 1995-02-07 Framatome Method and device for machining the internal surface of a tubular component and in particular an adaptor fixed to the vessel head of a pressurized water nuclear reactor
EP0666447A1 (fr) * 1994-02-03 1995-08-09 Compagnie Generale Des Matieres Nucleaires Dispositif porteur pour des modules d'intervention dans un puits tel qu'un tube dissolveur
JPH0975870A (ja) * 1995-09-18 1997-03-25 Ito Koki Kk ニードル衝打装置

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Title
PATENT ABSTRACTS OF JAPAN *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004083710A1 (fr) 2003-03-21 2004-09-30 Ingenieurbüro Willschütz GmbH & Co. KG Dispositif de mise hors service d'une partie de conduite sans interrompre le fonctionnement de l'ensemble de la conduite
CN115949830A (zh) * 2022-12-29 2023-04-11 国家石油天然气管网集团有限公司 一种管道内运行装置的运动平衡装置以及管道内运行装置

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Publication number Publication date
AUPP609298A0 (en) 1998-10-15
GB2357560A (en) 2001-06-27
GB0107465D0 (en) 2001-05-16
GB2357560B (en) 2003-02-19

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