EP3436734A1 - Dispositif de longueur variable pour durcir un tuyau de revêtement - Google Patents

Dispositif de longueur variable pour durcir un tuyau de revêtement

Info

Publication number
EP3436734A1
EP3436734A1 EP17721320.4A EP17721320A EP3436734A1 EP 3436734 A1 EP3436734 A1 EP 3436734A1 EP 17721320 A EP17721320 A EP 17721320A EP 3436734 A1 EP3436734 A1 EP 3436734A1
Authority
EP
European Patent Office
Prior art keywords
fastening
radiation
radiation sources
length
lining
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Withdrawn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
EP17721320.4A
Other languages
German (de)
English (en)
Inventor
Herbert Wind
Christian Noll
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.)
Relineeurope AG
Original Assignee
SML Verwaltungs GmbH
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 SML Verwaltungs GmbH filed Critical SML Verwaltungs GmbH
Publication of EP3436734A1 publication Critical patent/EP3436734A1/fr
Withdrawn legal-status Critical Current

Links

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
    • F16L55/28—Constructional aspects
    • F16L55/40—Constructional aspects of the body
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/002—Component parts, details or accessories; Auxiliary operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/005—Hoses, i.e. flexible
    • B29L2023/006—Flexible liners

Definitions

  • the present invention relates to a device for curing a
  • a flexible curable resin impregnated settable layer referred to as a liner tube, also referred to as a liner
  • the lining tube is widened so that it snugly fits against the inner wall of the conduit system.
  • an opaque outer protective film an at least for certain wavelength ranges of electromagnetic radiation permeable inner film and impregnated with a resin curable layer, which is arranged between the inner film and the outer film.
  • the outer film tube to prevent that for impregnation
  • a lining hose comprising an inner film tube, a impregnated with a resin sliver as a curable layer and an outer tube which is laminated on its inside with a non-woven fabric.
  • unsaturated polyester resins or vinyl ester resins are used in the prior art, which may be dissolved, for example in styrene and / or an acrylic ester. These unsaturated polyester or vinyl esters can be thermal
  • Wall thicknesses of the lining hoses proved to be advantageous.
  • a method for such a so-called combination curing is described for example in EP-A 1262708.
  • Unsaturated polyester or vinyl ester resins are subject to shrinkage during curing, which may affect the stability of the rehabilitated conduit system in later operation.
  • the inner tube itself is wound around a winding mandrel for simplified production.
  • a prefabricated inner film tube can be inflated and can itself serve as a winding mandrel.
  • Such a prefabricated inner film tube is produced from a film strip, the film edges are joined together by welding or gluing together to form the inner film tube.
  • the lining hoses are to be rehabilitated before curing in the
  • Conduit introduced and by means of a fluid, i.d.R. Compressed air, inflated.
  • an opening end of the Prior art lining hose is pressurized with compressed air and the opposite opening end of the lining hose closed with a closure device, a so-called packer.
  • Closure device comprises a hollow cylinder and a cover, with which the hollow cylinder can be closed.
  • Curing device introduced, which has a radiation source, and which is passed through the curing tube in order to activate with the radiation energy, the curing of the curable layers of the lining tube or
  • Lining hose which may have a high weight, at least partially on the curing device until the liner hose is inflated by the compressed air.
  • Hardening device can be damaged. The necessary
  • the packer must be introduced through the relatively narrow manhole in the line to be rehabilitated, so that larger widths are a hindrance.
  • the length of the curing devices is technically not reduced arbitrarily.
  • the radiation sources have a predetermined length or width or a predetermined diameter. Due to the radiation sources themselves, therefore, a minimum length of the curing devices is predetermined. For a
  • Curing device integrated drive devices such as engines often work only unreliable or have no high life.
  • the present invention has the object to overcome the disadvantages of the prior art, and in particular to provide a device that is not damaged by a not yet inflated lining hose.
  • a device for curing resin-impregnated lining hoses with high-energy radiation comprising at least two radiation sources for generating high-energy radiation, wherein the device has a front end, a front end opposite the rear end, two opposite
  • a length of the device, measured from the front end to the rear end, in a transport state is smaller than in an operating state by at least one element of the device is hinged, displaceable, rotatable and / or movable and at least a first Radiation source in the operating state in the longitudinal direction of the device further spaced from at least one further radiation source is arranged as in the transport state, and wherein the device at or adjacent to the front end and / or the rear end comprises an attachment point to which a tensile force from outside the device arranged force source, in particular at least proportionally, in the longitudinal direction of the device acts or can act to transfer the device from the transport state to the operating state.
  • Lining hose falls diagonally downwards until it rests doppelwanding on the floor of the line to be rehabilitated.
  • the smaller in its dimensions transport state of the device according to the invention in comparison to the dimensions in the operating state allows it to be positioned completely within this sloping course or is positioned, for example, in which the device according to the invention completely in the said region of the lining tube or partially the packer and partially in the lining tube is arranged.
  • the device is protected from damage, since the lining hose is not on the
  • a length of the device according to the invention may also be a width, a height a length, etc.
  • no internal drive means are included for changing the length of the device. Rather, such a change in length caused by externally applied tensile forces.
  • This has the particular advantage that no drive means of the device can be damaged by the present during curing high temperatures. Also, eliminating such internal drive means reduces the cost and weight of the device of the invention.
  • a device according to the invention is usually moved by means of cables or tension cables through a line to be rehabilitated during a curing process. Exactly these existing cables or traction cables can be used, for example, without great technical effort to change the length of the device according to the invention.
  • Piping systems of any kind for the transport of liquid or gaseous media are understood that can be operated at reduced pressure, normal pressure or pressure.
  • Examples are pipelines of any kind,
  • Piping systems for the transport of media in chemical plants and production plants pressure pipes such as pressurized water pipes and drinking water pipes and in particular also called sewage systems, which are laid underground or not visible.
  • the use of the luminous means according to the invention for curing liner hoses is also particularly suitable for the remediation of such water pipes in sewer systems.
  • a width of the device measured by a
  • Transport state is smaller than in an operating state by at least one further element of the device is hinged, displaceable, rotatable and / or movable, in particular the change in width and / or changes in the height of the device together with the change in length the device is effected by means of the tensile force acting on the device and / or by means of at least at least one drive device.
  • the device may according to a
  • width and / or height of a device according to the invention in an operating state is greater than in a transport state. This allows a particularly compact transport and a simpler arrangement of the device in the lining tube.
  • the change in width and / or length can be caused by acting on the attachment points traction.
  • Corresponding mechanical force deflection mechanisms are known to the person skilled in the art and can be used, for example, in the form of cable pulls,
  • Attachment point and / or at a second rear attachment point a cable, in particular a cable comprising Kevlar fibers and / or at least one pull rope, and / or a pull rope is arranged, by means of the or the tension cables, the device is acted upon or acted upon by a tensile force acting in the longitudinal direction ,
  • Such a cable or pull rope has proved to be advantageous for transferring the device according to the invention from the transport to the operating state.
  • said cable or pull rope can be applied in a simple manner, the attachment points with tensile forces.
  • first attachment point located at or adjacent a front end and providing a first tensile force in a first longitudinal direction to the device
  • second cable and / or traction cable at a second second at or adjacent a rearward end Attachment point is arranged and a second tensile force in a second longitudinal direction of the device can provide or provide, wherein the first tensile force acts or can act in the opposite direction of the second tensile force.
  • both at the front and at the rear attachment point a cable or traction cable is arranged, and at least one of the traction cables with an external drive device,
  • a winch is in operative connection or bringing and the other traction cable either also with a drive device in
  • Active compound is or can be brought, or is eliminated at a further element, so that the device according to the invention is not during the
  • Gas discharge lamp a short arc lamp, a stroboscopic lamp, a
  • Flashlamp an arc lamp, in particular a xenon lamp, and / or a mercury xenon lamp is used, wherein in particular wherein the illuminant at least fifty percent (50%) of the radiation energy in a wavelength range of 351 to 800 nm, in particular in one area from 380 nm to 800 nm, in particular in a range from 380 nm to 700 nm, preferably in a range from 390 nm to 470 nm, or in a range from 400 nm to 800 nm, can provide or provide.
  • the illuminant at least fifty percent (50%) of the radiation energy in a wavelength range of 351 to 800 nm, in particular in one area from 380 nm to 800 nm, in particular in a range from 380 nm to 700 nm, preferably in a range from 390 nm to 470 nm, or in a range from 400 nm to 800 nm, can provide or provide.
  • the lining hoses generally have curable and / or
  • hardening layer one or more slivers impregnated with a curable resin.
  • slivers are basically all this
  • a felt is a fabric of a disordered, difficult to separate fiber material.
  • felts are thus nonwoven textiles. From synthetic fibers and vegetable fibers, felts are generally produced by dry needling (so-called needle felting) or by solidification with water jets emerging from a nozzle beam under high pressure. The individual fibers in the felt are intertwined with each other. Felts have a good temperature resistance and are usually moisture-repellent, which can be advantageous when used in fluid-carrying systems.
  • the length of the fibers used is not particularly limited, i. it can be both so-called long fibers and short fibers or
  • Fiber fragments are used. Over the length of the fibers used, the properties of the corresponding fiber ribbons can be adjusted and controlled over a wide range.
  • glass fibers, carbon fibers or synthetic fibers such as aramid fibers or fibers made of thermoplastics such as polyesters or polyamides or poly olefins (for example polypropylene) may be mentioned here
  • glass fibers are generally preferred; However, if, for example, a particular heat resistance of importance, for example, aramid fibers or carbon fibers can be used, which can offer advantages over glass fibers in terms of strength at higher temperatures.
  • the lining hoses may contain one or more slivers, which may also be the same or different. Further suitable combinations of several slivers are described in WO 201 1/006618, to which reference is made in full at this point.
  • WO 2003/038331 also describes slivers or continuous materials of suitable construction. According to the invention, it may be provided that at least one first
  • Fastening device and at least one second fastening device is included, wherein the at least one first fastening device by means of at least one telescopic arm and / or by means of a variable length, in particular scissor-shaped, connecting element with the at least one second fastening means connectable or connected or the at least one first fastening means by means of at least one
  • Connecting device and the at least one second connection means relative to each other, and in particular relative to the connecting means, preferably linear, are displaceable.
  • Telescopic arm extended, retracted in transport mode The length of Teleskoarmausleger allows the adjustment of the change in length of the device according to the invention.
  • Connecting device is the use of at least two telescopic arms allows.
  • the at least one connection device and the at least one second connection device can be extended and retracted independently of one another, or simultaneously.
  • the connecting device allows in particular a double Stroke length and thus a doubled increase in the length of the device according to the invention.
  • This can be realized, for example, in that both telescopic arms offset parallel to each other in the
  • Connecting device are arranged.
  • the number of radiation sources can be adapted to the type and structure as well as the
  • Diameter of the radiation sources are adjusted to optimum
  • the radiation sources are arranged at a first distance spaced from the first and / or second fastening device, in particular n, m radiation sources in a circle around the first and / or second fastening device offset by a center angle ⁇ of the first and / or second fastening means of 15, 20, 30, 45, 60, 90, or 120 ° to each other, preferably each 3 radiation sources offset by a center angle ⁇ of 120 ° at the at least one first and the at least one second fastening means are arranged.
  • the radiation sources by means of
  • Spacing elements at a fixed distance from the at least one first and / or the at least one second fastening means with these are connectable or connected or by means of spacer elements, which are foldable, displaceable, rotatable and / or movable relative to the at least one first and / or the at least one second fastening means are arranged, in particular by means of telescoping spacer elements.
  • the radiation sources are connected by means of spacer elements, for example rod-shaped spacing elements, in an optimum distance for the respective diameter of the lining tube with the device according to the invention.
  • spacer elements for example rod-shaped spacing elements
  • the radiation sources with variable spacing elements can be connected to the first and / or the second fastening device. This can be done in particular by means of telescopic spacer elements, which allow a linear displacement of the radiation sources.
  • At least one, in particular all, radiation source of the at least one first fastening device and the at least one second fastening device are offset relative to one another about a midpoint angle ⁇ , so that they can be arranged overlapping in the transport state at least in sections, in particular in parallel or arranged.
  • the radiation sources from the at least one first and / or second fastening means not when moving together
  • Device according to the invention block or prevent each other.
  • the problem is solved that the outer dimensions of
  • Device according to the invention is determined by the double length of a radiation source used, but the device according to the invention corresponds minimally in its length to the length of a selected radiation source.
  • Fastening device can be connected or connected, wherein in particular the distance of at least one, in particular all, wheels of the first and / or second fastening device in the transport state is lower than in the operating state.
  • a movement on wheels has been for a movement of
  • rollers lie on the inner wall of the lining tube. It is particularly advantageous if four wheels are included, both on the first and on the second fastening device. According to one embodiment, wheels with three rollers, which are arranged so as to be rotatable about a central axis, may be particularly suitable. By using the said three rollers, it is possible that also a height offset within the lining tube can be easily overcome. Such a height offset can arise through a sleeve offset or a fold.
  • Center angle Y of the first and / or second fastening means of 15, 20, 30, 45, 60, 90, or 120 ° to each other are arranged, preferably each 4 support elements offset by a center point Y of 90 ° at the at least one first and / or at least a second
  • the inventive design of the support elements allows the wheels of the at least one first and / or second fastening means in two directions can be spaced simultaneously.
  • the wheels are on the inner wall of the
  • Lining hose however, move as it were when extending away from the radiation sources, so that they as far as possible from the
  • the support elements are arranged in a circle and thus ensure a secure fit in any direction at a predefined distance of the device according to the invention in the lining hose to be cured.
  • Figure 1 a schematic perspective view of a
  • Figure 2 a schematic perspective view of
  • Figure 3 a schematic side view of the device according to the invention from Figure 1 in the operating condition;
  • FIG. 4 shows a schematic side view of the device according to the invention from FIG. 1 in the transport state
  • FIG. 5 shows a schematic side view of the device according to the invention from FIG. 1 in the transport state in a non-inflated lining hose;
  • FIG. 6 shows a schematic side view of the device according to the invention from FIG. 1 in the operating state in an inflated state
  • the device 1 comprises six radiation sources 3, which by means of not shown
  • Spacing elements are connected to one of a first fastening means 5 and a second fastening means 7.
  • the first fastening means 5 Spacing elements are connected to one of a first fastening means 5 and a second fastening means 7.
  • Fastening device 5 is by means of a telescopic arm with a
  • Connecting device 9 is connected, and the second fastening means 7 is connected by means of another telescopic arm on the opposite side of the connecting device 9 with this.
  • the telescopic arms allow a linear displacement of the fastening devices 5.7 relative to the connecting device 9 and against each other. It is thus possible that both fastening devices 5, 7 are moved apart.
  • attachment points 2,4 are provided, by means of which tensile forces can act on the device 1 according to the invention.
  • cables 6,8 are shown, which can be preferably used for a power transmission of tensile forces of a drive means, not shown, to convert the device 1 from the transport state to the operating state.
  • the distance between the radiation sources 3 is by the not shown
  • the radiation sources 3, as shown are arranged at a center angle ⁇ to each other so that they are in the
  • Transport state at least in sections, in particular in parallel, can be arranged overlapping or arranged overlapping. This is shown particularly clearly in FIG.
  • the device 1 in each case comprises four wheels 11 on the first and the second fastening means 5, 7.
  • Each of the wheels 11 comprises three rollers, which are arranged rotatably mounted about a central axis.
  • a height offset within the lining tube can be easily overcome.
  • carrier elements 13 of the wheels 11 are formed nikringsegm entförmig and in each case one of the first and second fastening means 5, 7 arranged storage device 15 can be introduced and carried out by this.
  • a spacing of the wheels from the fastening devices 5, 7 can take place simultaneously in two directions, so that the wheels 11 do not obstruct the curing of the lining tube by shading.
  • the four support elements 13 are offset by one
  • Positioning of the device 1 according to the invention within a line to be rehabilitated at any time is optimal and from four directions guiding the device in the lining tube takes place.
  • a device according to the invention is shown in a lining tube to be cured.
  • Lining tube 17 is stretched over a packer 19, and shown in Figure 5 in the non-inflated and in Figure 6 in the inflated state. As shown in Figure 5, the un-inflated liner tube 17 slopes down until it rests double-walled on the ground.
  • Fastening device 5.7 are connected to a retracted telescopic arm via the connecting device 9 with each other.
  • the connecting device 9 with each other.
  • Radiation sources 3 partially overlapping ago, since these are offset from each other by the center angle ß to each other. Also the
  • circular segment-shaped support elements 13 are performed by the storage device 15 and thus minimize the size of the device according to the invention.
  • Device 1 is in the operating state, without this being damaged by the lining hose 17, 17 '.
  • Device 1 from the transport state to the operating state by means of the cables 6, 8 are provided, which are connected to the attachment points 2, 4 with the device 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • Toxicology (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

La présente invention concerne un dispositif de durcissement de tuyaux de revêtement imprégnés de résine au moyen d'un rayonnement énergétique. Le dispositif comprend au moins deux sources de rayonnement destinées à un rayonnement énergétique. Le dispositif comporte une extrémité avant, une extrémité arrière opposée à l'extrémité avant, deux extrémités latérales opposées l'une à l'autre, une extrémité supérieure et une extrémité inférieure opposée à l'extrémité supérieure. La longueur du dispositif, mesurée de l'extrémité avant à l'extrémité arrière, est plus petite à l'état de transport qu'à l'état de fonctionnement en raison du fait qu'au moins un élément du dispositif est monté de manière rabattable, coulissante, rotative et/ou mobile. Au moins une première source de rayonnement est disposée de manière à être davantage espacée d'au moins une autre source de rayonnement, par référence à la direction longitudinale du dispositif, dans l'état de fonctionnement que dans l'état de transport. À l'extrémité avant ou à proximité de celle-ci et/ou à l'extrémité arrière ou à proximité de celle-ci, le dispositif comprend un point de fixation sur lequel une force de traction agit ou peut agir depuis une source de force disposée à l'extérieur du dispositif, en particulier au moins en partie dans la direction longitudinale du dispositif, pour faire passer le dispositif de l'état de transport dans l'état de fonctionnement. L'invention concerne également l'utilisation d'un tel dispositif.
EP17721320.4A 2016-03-29 2017-03-23 Dispositif de longueur variable pour durcir un tuyau de revêtement Withdrawn EP3436734A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016105722.3A DE102016105722A1 (de) 2016-03-29 2016-03-29 Längenveränderbare Vorrichtung zum Aushärten eines Auskleidungsschlauchs
PCT/DE2017/100234 WO2017167328A1 (fr) 2016-03-29 2017-03-23 Dispositif de longueur variable pour durcir un tuyau de revêtement

Publications (1)

Publication Number Publication Date
EP3436734A1 true EP3436734A1 (fr) 2019-02-06

Family

ID=58669545

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17721320.4A Withdrawn EP3436734A1 (fr) 2016-03-29 2017-03-23 Dispositif de longueur variable pour durcir un tuyau de revêtement

Country Status (5)

Country Link
US (1) US10989349B2 (fr)
EP (1) EP3436734A1 (fr)
JP (1) JP2019513951A (fr)
DE (1) DE102016105722A1 (fr)
WO (1) WO2017167328A1 (fr)

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RU2698224C1 (ru) * 2019-03-27 2019-08-23 Владимир Станиславович ЯВОРСКИЙ Устройство для отверждения введенного в трубопровод полимерного рукава
CN113374981B (zh) * 2021-07-07 2022-05-20 北京航空航天大学 一种面向管道环境操作的可重构折展机构
CN117515317B (zh) * 2024-01-05 2024-04-12 漳州安越新材料科技有限公司 一种光固化修复机器人

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Also Published As

Publication number Publication date
WO2017167328A1 (fr) 2017-10-05
US20190101238A1 (en) 2019-04-04
JP2019513951A (ja) 2019-05-30
US10989349B2 (en) 2021-04-27
DE102016105722A1 (de) 2017-10-05

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