EP2373917A2 - Dispositif de couverture pour tube et tube comportant un tel dispositif de couverture - Google Patents

Dispositif de couverture pour tube et tube comportant un tel dispositif de couverture

Info

Publication number
EP2373917A2
EP2373917A2 EP09801932A EP09801932A EP2373917A2 EP 2373917 A2 EP2373917 A2 EP 2373917A2 EP 09801932 A EP09801932 A EP 09801932A EP 09801932 A EP09801932 A EP 09801932A EP 2373917 A2 EP2373917 A2 EP 2373917A2
Authority
EP
European Patent Office
Prior art keywords
covering
cover
tube
covering device
pipe
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.)
Granted
Application number
EP09801932A
Other languages
German (de)
English (en)
Other versions
EP2373917B1 (fr
Inventor
Hermann Rosen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rosen Swiss AG
Original Assignee
Rosen Swiss AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rosen Swiss AG filed Critical Rosen Swiss AG
Priority to SI200930456T priority Critical patent/SI2373917T1/sl
Priority to PL09801932T priority patent/PL2373917T3/pl
Publication of EP2373917A2 publication Critical patent/EP2373917A2/fr
Application granted granted Critical
Publication of EP2373917B1 publication Critical patent/EP2373917B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00—Protection or supervision of installations
    • F17D5/02—Preventing, monitoring, or locating loss
    • F17D5/06—Preventing, monitoring, or locating loss using electric or acoustic means

Definitions

  • the present invention relates to a covering device for a pipe, which is used with a number of other tubes in a welded together form for the preparation of pipelines, which are particularly intended for the transport of gaseous or liquid media, wherein the covering device for sealing at least the risk of corrosion edge of the pipe is formed before moisture. Furthermore, the invention relates to a tube with a corresponding cover device.
  • the covering device with an inner cap which encloses an inner sleeve designed to rest against the inner side of the tube.
  • the covering device which also covers at least the edge of the pipe which is susceptible to corrosion, is at least partially laid into the interior of the pipe, whereby protection of the covering device by the pipe itself is provided.
  • the inner sleeve to be arranged on the inner side of the tube has a cover element which is designed to cover at least partially the pipe inner cross-section not covered by the inner sleeve.
  • the cover is spaced from the edge of the tube sealing side of the cover arranged.
  • the cover which preferably completely covers the tube inner cross section of the tube and thus also the inner cross section of the inner sleeve, is offset inwardly, which further counteracts damage.
  • the inner cap of the cover is preferably made of a sufficiently hard material, such as polyurethane with a Shore A hardness in the range of 80 to 100, more preferably in a range of 82 to 90 and in particular by 85.
  • the tube can be transported without damaging the covering.
  • the clear inner cap cross section completely filling the cover is designed as a vapor-permeable membrane.
  • the entry of water from the outside of the pipe is thereby prevented in the tube interior, while water vapor can pass out of the tube interior to the outside.
  • corresponding cover devices are present on both sides of the tube or otherwise closed on the opposite side of the cover device.
  • the membrane is designed to be safe from damage from the outside, ie from the side of the pipe edge.
  • the collar-shaped widening preferably at the area of the inner sleeve which is inserted farthest into the tube, also serves to stabilize the inner sleeve. This has along its outer side at least one circumferential, preferably two circumferential seals. which are bent over during insertion of the inner cap into the tube and thus - A -
  • the inner sleeve preferably has a recess in which the seal is at least partially pressed or in which the seal is preferably partially folded down.
  • the inner cap has at least one holding means, which is preferably distributed uniformly over the circumference, to which a specially shaped gripper can engage for insertion and removal of the cap.
  • This is preferably a flange or region extending from the inner collar-shaped widening, which extends completely over the circumference of the inner sleeve.
  • the covering device has a collar which is designed for external abutment against the tube and which is designed to assume a sealing position with the inner cap.
  • the corresponding cover device is thus formed in two parts.
  • the sleeve is particularly elastic and is also sealingly against an outer tube wall area. It serves to seal an uncoated region of the pipe, for example for the production of a welded connection.
  • the cuff has a Shore hardness preferably in a range between 60 and 70, in particular in about 65 Shore hardness A, which ensures a secure fit on the pipe with a corresponding undersize of the sleeve compared to the pipe to be covered. For example, with an undersize of about 20%, the cuff in its applied to the tube position shrunk so tightly that a manual removal without appropriate tools and without damaging the cuff is hardly possible.
  • the collar and the inner cap are adapted to receive a sealing position with each other to seal the interior of the tube and the areas of the tube to be covered, i. In particular, to protect the essential areas for welding from corrosion.
  • a non-contact readable and / or contactless recordable information carrier which is preferably located on the side facing away from the output or the edge of the tube end of the inner sleeve.
  • the information carrier may be an RFID chip having a series of tube information otherwise printed inside or outside the tubing.
  • an embodiment of the invention is advantageous in which the covering device has a securing device for monitoring the pipe, which is designed in particular for detecting manipulations on the pipe and / or on the covering device itself.
  • a safety device for monitoring the pipe, which is designed in particular for detecting manipulations on the pipe and / or on the covering device itself.
  • a simple GPS transmitter for example, such a safety device is a prerequisite for ensuring permanent monitoring of the tube during the entire storage period.
  • the safety device can be designed such that an intermediate removal and re-attachment of the end caps can be registered and displayed or determined.
  • the safety device can be designed such that a destruction of the cap, for example by fire or to detect Bohrschab- or hammer noise and thus physical effects on the tube is registered.
  • the safety device is attached on the side of the cover, which is accessible to the arrangement of the cover on a pipe on the pipe inside and therefore not from the outside.
  • the safety device is thus self-manipulation from the outside - provided that a tube would be covered from both sides with a covering device - deprived of manual intervention.
  • the recording and forwarding of events, the evaluation of these events and the output of an alarm signal can by a corresponding Sensors and electronics are effected.
  • it can also be done decentrally at another location, if this is in the bidirectional communication connection with the cover device.
  • an arrangement of the securing device within the inner cap ie be hidden in the material, wherein signal transmission means may not be limited in their function, however.
  • a multiplicity of events can be registered with a safety device which has a structure-borne sound sensor, which in particular is to be placed directly on the pipe wall.
  • a structure-borne noise sensor preferably on a piezoelectric basis, can already be equipped, in particular, with simple electronics for the filtering of background noises or preferred noises. In this case, it can, for example, drilling noise or scraping noises that give an indication of an attempted lifting example of a cuff or the inner cap, registered.
  • the output of a radio signal preferably takes place via a transmitter.
  • a temperature sensor which preferably reaches a certain temperature, i. a threshold, outputs a signal.
  • a certain temperature i. a threshold
  • this may be a threshold value of 80 °, which indicates a destruction of the inner cap by fire.
  • a mechanical cutting of the cover or other areas of the inner cap can be detected by means of a safety device which in a further advantageous embodiment at least partially arranged in the cover element sensor for detecting a destruction of Abdeckele- mentes.
  • a safety device which in a further advantageous embodiment at least partially arranged in the cover element sensor for detecting a destruction of Abdeckele- mentes.
  • a sensor consists in particular of a conductor loop, which preferably consists of conductive adhesive passing through the cover member and / or along it.
  • the safety device is preferably designed to be switched on, switched off and / or destructible in response to a clear signal.
  • the electronics of the inner cap which, like the covering device, can be designed to be multipurpose in particular, can therefore be switched off if necessary, for example when the inner cap has to be stored temporarily. Upon appropriate action, such as unauthorized removal, the safety device may self-destruct even after an alarm signal is issued, so that the cap becomes at least partially unusable.
  • the inner cap can advantageously have a usable for receiving a securing element recess.
  • the securing element can engage through the inner cap into a locking mechanism of the security device.
  • a locking mechanism of the security device For example, it is a chain or a rod that is accessible from the outside and can permanently unlock the safety device.
  • a locking of the safety device after pressing is excluded here.
  • such an activation of the safety device can also take place in a contactless way.
  • the recess of the inner cap is preferably to be arranged in the inner collar-like region, which can simultaneously serve for the arrangement of a membrane.
  • the benefits of the covering come to a pipe, which is covered with a corresponding cover and in particular on both sides of such a cover.
  • a system for monitoring pipes as described in particular in the preamble of claim 1, which is characterized by a plurality of covering devices as described above and which has a receiving station for receiving the preferably forwarded by means of a repeater signals of Abdeckvorraumen having.
  • the signals output by the capping devices or the signals to be received by the capping devices can be forwarded to electronic data processing which is designed to evaluate the signals and to output an alarm signal.
  • the system comprises a first control station, which are arranged in the vicinity of the pipes to be monitored. In this case, preferably a distance of a few meters to 2 km is to be described as close. Such a distance can be easily overcome by appropriate radio links.
  • the first control station the signals interrogated from one or more stacks of pipes converge and are evaluated.
  • the first control station which at least partially has the necessary for the evaluation of the signals electronic data processing, a further alarm signal outside which, if necessary, measures can be initiated on the spot.
  • Another control station may preferably via an Internet connection, satellite communication means or the like. be connected for remote communication useable means.
  • This second control station is preferably usable as a main control station, which is the control of one or more first control stations, each of which one or more pipe stacks are assigned.
  • Fig. 5 is a fragmentary view of another article of the invention.
  • Fig. 1 shows a detail of an article according to the invention, which can be arranged on a pipe shown in dashed lines.
  • the illustrated covering device for a pipe 1 serves to cover regions 5, 6 of the pipe which are not provided with a coating 2, 3 or 4 and which are required for the welding of the pipe.
  • the area to be covered may also be merely an edge 6 of the tube.
  • the actual metal wall and 7 of the pipe 1 are meant here under pipe.
  • the covering device comprises an inner cap 8, which in particular is to be pressed into the inner cross section of the tube within the tube wall 7 with a special tool.
  • this inner cap is made of Roplasthan, a highly durable polyurethane material.
  • This material is suitable to withstand strong mechanical loads, so that, for example, support arms provided for the movement of the tubes grippers can easily rest against a wall 9 of the inner sleeve 10 without the inner cap 8 suffers damage.
  • weights of, for example, up to 30 1 can be moved.
  • the material is UV radiation resistant and has extremely low oxygen diffusion rates. It is therefore optimally suitable to seal the regions of the pipe 1 which are at risk of corrosion, in particular the edge 6, from moisture.
  • a collar-like widening 11 which also serves to stabilize the inner cap 8.
  • the broadening is preferably approximately as dense as the edge 6 of the tube wall 7 is wide.
  • the pipe surface 5 corresponding side, it has a groove 12 which serves the connection rr.it a sleeve 13.
  • the sleeve 13 has a spring-like sealing lip 14, which atshrinking the sleeve 13 on the outside of the tube or the surface 5 engages accurately into the groove 12. Due to the exact fit of the sleeve 13, which is made of an elastic but very robust material, preferably also made of roplasthane, a good seal of the protected area is given.
  • the sleeve 13 preferably also has two sealing lips 15 from the side to be arranged away from the edge 6, which prevent a capillary intake of water into the intermediate region between the inside of the sleeve 13 and the tube wall surface 5.
  • the two sealing lips 16 of the inner sleeve 8 have in addition to their sealing function, the other function that they complicate withdrawal of the inner cap 8.
  • the sealing lips 16 are at least partially pressed into the recesses 17 after insertion into a tube 1 and try to raise due to the friction adhesion to the inside 18 of the tube wall in the position shown in Fig. 1.
  • a greater resistance is generated, since in particular by the collar-like widening 19, the inner sleeve 8 is formed stably and prevents erecting of the sealing lips 16.
  • a permeable membrane 20 is inserted, which allows gas exchange and thus drying of the inner portion of the tube, but a mechanical intervention prevented in the of the edge 6. Liquid water can not get from the side of the opening 21 in the protected area of the tube 1.
  • the circulating density is 14.
  • the outside of the density is the dimension terial between 1 mm and 5 mm thick and may also have other O-rings or other sealant and enclose.
  • the longitudinal section of FIG. 3 shows the covering without cuff.
  • the covering device can thus also be formed alone by the inner cap 8.
  • the covering element or membrane 20 in this embodiment has a water vapor permeability of less than 0.05 m, a tensile load of more than 300 N / 50 mm and a tensile strength of more than 300 N. It can be used in a range between -50 ° and +120 ° and has a water resistance of more than 2 m water column. In addition, it is UV resistant for more than 3 years.
  • the cap with tube is shown only as a mechanical cover. A backup of the cap takes place only on the not reversed subscribed sealing lips 16, which prevent the withdrawal of the cap at least partially.
  • the covering device according to the invention is furthermore provided with a safety device 22, which is arranged on the inner side 18 of the tube wall, at least with a structure-borne sound sensor, not shown here.
  • the safety device 22 has electronics which can transmit a signal to a corresponding base station via a transmitter which is also arranged, for example, in the diaphragm.
  • the signal generated by a structure-borne sound sensor can first be filtered within the safety device according to amplitude, frequency and length.
  • a preferably rechargeable energy storage which can hold sufficiently long energy over the transport times of the tube, if this is closed with the cap, to the place of use
  • the safety device is arranged on the side of the membrane, which faces away from the edge 6 of the tube, and thus in a region protected by the membrane 20.
  • the security device has an RFID tag in its housing, in the memory of which a tube number can be stored by means of a reading and writing device.
  • the tube number can hereby be read by the preferably as a scanner with trained device of the pipe inner wall and transmitted directly to the RFID tag.
  • the inventive construction of a covering device shown in FIG. 5 has an inner cap which, in addition to the embodiment described above with reference to FIG. 1, has a holding means 23 in the form of a flange arranged on the collar-like and widening 19 to be arranged inside the tube. At these can attack a gripper for assembly or disassembly of the cover and the inner cap together with the sleeve cross-section taper. For this purpose, the flange 23 is pulled in the direction of the longitudinal central axis. Due to the slight undercut of the flange 23, a gripper can better attack the flange.
  • a recess 24 can be activated by removing a partially to be arranged in the recess 24 securing element a securing device not shown.
  • the figure also removable tube may be part of an article according to the invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
  • Emergency Alarm Devices (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Casings For Electric Apparatus (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Alarm Systems (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

L'invention concerne un dispositif de couverture pour un tube pouvant être employé avec d'autres tubes par soudage les uns aux autres en ligne, pour la réalisation de pipelines notamment destinés au transport de fluides gazeux ou liquides. Le dispositif de couverture est conçu pour étancher au moins l'arête du tube exposée à la corrosion, et comporte un capuchon intérieur pourvu d'une douille intérieure destinée à s'appuyer contre le côté intérieur du tube, la douille intérieure présentant un élément de couverture prévu pour recouvrir au moins partiellement la section transversale intérieure non recouverte par la douille intérieure. L'invention concerne également un tube comportant un tel dispositif de couverture et un système de surveillance de tubes comportant des dispositifs de couverture correspondants.
EP09801932A 2008-12-23 2009-12-08 Dispositif de couverture pour tube et tube comportant un tel dispositif de couverture Active EP2373917B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200930456T SI2373917T1 (sl) 2008-12-23 2009-12-08 Pokrivna priprava za cev in cev s tako pokrivno pripravo
PL09801932T PL2373917T3 (pl) 2008-12-23 2009-12-08 Urządzenie osłonowe do rury i rura z takim urządzeniem osłonowym

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102008063066 2008-12-23
DE102009017973A DE102009017973A1 (de) 2008-12-23 2009-04-21 Abdeckvorrichtung für ein Rohr und Rohr mit einer solchen Abdeckvorrichtung
PCT/EP2009/008759 WO2010072325A2 (fr) 2008-12-23 2009-12-08 Dispositif de couverture pour tube et tube comportant un tel dispositif de couverture

Publications (2)

Publication Number Publication Date
EP2373917A2 true EP2373917A2 (fr) 2011-10-12
EP2373917B1 EP2373917B1 (fr) 2012-09-19

Family

ID=42234748

Family Applications (2)

Application Number Title Priority Date Filing Date
EP09795325A Active EP2373916B1 (fr) 2008-12-23 2009-12-08 Dispositif de sécurité et système de surveillance de tuyaux
EP09801932A Active EP2373917B1 (fr) 2008-12-23 2009-12-08 Dispositif de couverture pour tube et tube comportant un tel dispositif de couverture

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP09795325A Active EP2373916B1 (fr) 2008-12-23 2009-12-08 Dispositif de sécurité et système de surveillance de tuyaux

Country Status (12)

Country Link
US (2) US8680984B2 (fr)
EP (2) EP2373916B1 (fr)
CN (2) CN102265079B (fr)
AU (2) AU2009331932B2 (fr)
CA (2) CA2748092C (fr)
DE (5) DE202009018877U1 (fr)
ES (2) ES2395861T3 (fr)
PL (2) PL2373917T3 (fr)
PT (2) PT2373917E (fr)
RU (3) RU2523946C2 (fr)
SI (2) SI2373917T1 (fr)
WO (2) WO2010072324A1 (fr)

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CN111094825B (zh) * 2017-08-11 2022-11-01 诺玛美国控股有限责任公司 流体管线连接器和具有固定检测的组件
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CN108119762A (zh) * 2017-12-18 2018-06-05 重庆科技学院 一种立体多层次油气管道安全检测系统
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Publication number Publication date
CA2748096A1 (fr) 2010-07-01
SI2373917T1 (sl) 2013-01-31
US8742942B2 (en) 2014-06-03
ES2395861T3 (es) 2013-02-15
RU2562127C2 (ru) 2015-09-10
EP2373917B1 (fr) 2012-09-19
EP2373916B1 (fr) 2012-09-19
US20110260853A1 (en) 2011-10-27
CN102265078B (zh) 2014-05-14
SI2373916T1 (sl) 2013-01-31
US8680984B2 (en) 2014-03-25
CA2748096C (fr) 2015-03-10
CN102265079A (zh) 2011-11-30
CA2748092A1 (fr) 2010-07-01
RU2011130182A (ru) 2013-01-27
WO2010072325A3 (fr) 2010-09-23
EP2373916A1 (fr) 2011-10-12
PL2373917T3 (pl) 2013-02-28
AU2009331931B2 (en) 2014-05-29
DE202009018746U1 (de) 2013-02-01
DE202009018877U1 (de) 2014-02-18
RU2537993C2 (ru) 2015-01-10
DE102009017973A1 (de) 2010-07-08
CN102265078A (zh) 2011-11-30
RU2523946C2 (ru) 2014-07-27
AU2009331931A1 (en) 2011-07-14
AU2009331932A1 (en) 2011-07-14
WO2010072324A1 (fr) 2010-07-01
PT2373916E (pt) 2012-12-26
PL2373916T3 (pl) 2013-02-28
PT2373917E (pt) 2012-12-26
US20110260852A1 (en) 2011-10-27
ES2395864T3 (es) 2013-02-15
AU2009331932B2 (en) 2014-01-16
CN102265079B (zh) 2014-04-16
RU2011130183A (ru) 2013-01-27
WO2010072325A2 (fr) 2010-07-01
CA2748092C (fr) 2015-10-06
DE102009017975A1 (de) 2010-07-08
DE202009018886U1 (de) 2014-03-31
RU2014110065A (ru) 2015-07-20

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