CN104653903A - 柔性导管 - Google Patents
柔性导管 Download PDFInfo
- Publication number
- CN104653903A CN104653903A CN201410643598.6A CN201410643598A CN104653903A CN 104653903 A CN104653903 A CN 104653903A CN 201410643598 A CN201410643598 A CN 201410643598A CN 104653903 A CN104653903 A CN 104653903A
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- China
- Prior art keywords
- interior pipe
- conduit
- pipe
- protective layer
- tension
- 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.)
- Pending
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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
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/14—Hoses, i.e. flexible pipes made of rigid material, e.g. metal or hard plastics
- F16L11/15—Hoses, i.e. flexible pipes made of rigid material, e.g. metal or hard plastics corrugated
-
- 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
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/20—Double-walled hoses, i.e. two concentric hoses
-
- 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
- F16L59/00—Thermal insulation in general
- F16L59/06—Arrangements using an air layer or vacuum
- F16L59/065—Arrangements using an air layer or vacuum using vacuum
-
- 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
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
- F16L59/141—Arrangements for the insulation of pipes or pipe systems in which the temperature of the medium is below that of the ambient temperature
-
- 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
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
- F16L59/153—Arrangements for the insulation of pipes or pipe systems for flexible pipes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Thermal Insulation (AREA)
Abstract
本发明涉及一种用于传送承受压力的流动性介质的柔性导管,所述柔性导管由两个在垂直于它的纵向方向上呈波浪形的金属管组成,即由内管和外管组成,所述内管和外管以包含环形间隙的方式相互间隔地同轴布置,并且,在这两个管之间的环形间隙内设有真空绝缘件。在内管的外部上面安设抗拉的保护层,所述保护层在所述内管的两个端部上与所述内管固定连接。所述保护层由抗拉的线构成,所述线在至少两层内以相反的捻转方向相互重叠地、螺旋形地缠绕所述内管。
Description
技术领域
本发明涉及一种用于传送承受压力的流动性介质的柔性导管,所述导管由两个在垂直于它的纵向方向上呈波浪形的金属管组成,即由内管和外管组成,所述内管和外管以包含环形间隙的方式相互间隔地同轴布置,并且其中,在两个管之间的环形间隙内设有真空绝缘件(EP 2 253 878 B1)
背景技术
例如向超导电磁系统或者冷凝泵供应冷却介质需要这种导管。该导管应该是柔性的,并且必要时还应该具有较长的长度。为了桥接相同的导管,必须将冷却介质以增大的压强传送到内管中。这也适用于其他类型的介质,例如水。各介质增大的压强、例如从25bar起,能够容易地导致内管的塑性变形,并且由此有条件地导致内管偏移它的中心位置。通过这种塑性变形也会长期使真空绝缘的作用变差。
在US 6,607,010B1中已知一种由塑料或者金属构成的、真空密封的、环形弯曲的管,为了加强该管的稳定性对其用编织物涂层,所述编织物被固定在该管的两个端部上。为了保护该管和能将它用作压力管,还能够在外部围绕该管地安设在该管的整个长度上延伸的编织物。这种编织物也被固定在该管的两个端部上。
根据上述文献EP 2 253 878 B1、用于传送被深度冷却的介质的导管不具有所述的缺点。在这种已知的导管的内管上安置第二管系统,该第二管系统由垂直于它的纵向方向波浪形弯曲的内金属管和与它间隔的、同轴布置的、同样垂直于其纵向方向波浪形弯曲的外管所组成。导管的真空绝缘装置和外管设在第二管系统的外管的上面。第二管系统的内管在空间上密封地设置在导管的内管上,并且在中间连接由绝缘材料构成的间隔保持件的情况下,该内管不可动摇地保持在导管内部的其相对位置上。这种已知的导管已被应用在实际生产中。但是,它的制造是昂贵的。
发明内容
本发明所要解决的技术问题是,在维持内管稳定的相对位置下更简单地制造开头所述的导管。
所述技术问题根据本发明由此解决,
-在内管的外部上面安设抗拉的保护层(Armierung),该保护层在内管的两个端部上与内管固定连接,并且
-该保护层由抗拉的线构成,该线在至少两层内以相反的捻转方向相互重叠地、螺旋形地缠绕内管。
这种导管能非常简单地和没有昂贵的附加件地制造。该导管只具有作为附加元件的、围绕内管且在它的端部上与内管固定连接的保护层,该保护层由抗拉的线构成,该线在至少两层内以相反的捻转方向相互重叠地、螺旋地绕着内管进行缠绕。在制造导管的情况下,在完成内管的制造后,首先将保护层施加到内管上,并且与内管的两个轴向端部机械地固定连接。在导管的其它制造步骤中,与已知的这种导管的制造步骤相比不需要再改变。以常用的方式利用间隔保持件在内管上或围绕内管的保护层上安设绝缘件,外管围绕该绝缘件。因为保护层在内管的两个端部上与内管固定连接,所以要被传送的介质的较高的压强也就不能够机械地作用在内管上。这不仅使得内管保持了它的长度而且使得它在外管内的中心位置保持稳定。
这些线有利地由不锈钢构成。
附图说明
根据本发明主题的实施例在附图中被示出。
图1是具有两个垂直于它的纵向方向呈波浪形的导管的示意图。
图2是沿着线II-II剖切图1所示管所得的剖面图。
图3是具有保护层的导管的内管的示意图。
图4是根据本发明的导管的横截面的局部放大图。
具体实施方式
在图1中示意性示出导管的两个由金属组成的、相互同轴布置的管1和2,该导管用于传送承受压力的流动性介质。该介质以优选的实施方式被深度冷却。所述管1和2在所示实施例中通过同样只是示意性示出的间隔保持件3被相互间隔地固持。两个管1和2在垂直于它们的纵向方向上波浪形地弯曲,即或者是螺旋形的或者是环形的。因此,它们一方面可较好地弯曲,并且另一方面在径向方向上更稳定。两个管1和2有利地由不锈钢组成。管1在下面叙述中称作“内管1”,而管2是导管的“外管2”。
由波浪形状决定地,内管1能够在增大的压强的作用下通过在它内部导引的介质而膨胀,并因此变长,并且还偏离它在外管2内部的中心位置移动。为了在较窄的范围内避免这种情况,围绕内管1安设保护层,该保护层在根据图3所示的实施方式中由两条抗拉的线4和5组成。内管1在图3中由于简化和一目了然的原因被显示为平坦的管。两条线4和5在两层上相互重叠地以相反的捻转方向螺旋形地围绕内管1缠绕。所述线在内管1的两个端部上与内管固定地连接,因而内管1即使在增大的压强下也不会在其内部膨胀。
所述两个以相反的捻转方向在内管1上缠绕的线4和5由于相反的围绕方向同时构成用于内管1的抗扭保护。在这种意义上,还能够在内管1上施加分别具有两条在相反的方向上缠绕的线的多于两层的线。
线4和5有利地由不锈钢构成。但是,原则上也能够使用其它抗拉材料。它们还能够设计为带件。在优选实施方式中,线4和5设计为绳,该绳以已知的技术能够制造具有较小的直径。
为了制造根据本发明的导管例如按照如下方法:
首先,将两条抗拉的线4和5绕着预先制造的内管1进行缠绕,并且在内管1的两个端部上与内管1固定连接。然后,必要时将间隔保持件3和用于热绝缘件6的材料施加到内管1或两层抗拉的线4和5上。随后,在热绝缘件6和间隔保持件3周围围绕外管2。最后,将在内管1和外管2之间的环形间隙抽成真空,因而在两个管之间形成真空绝缘,该真空绝缘能够保护导管的内部免受外面的热渗入。
Claims (2)
1.一种用于传送承受压力的流动性介质的柔性导管,所述导管由两个在垂直于它的纵向方向上呈波浪形的金属管组成,即由内管(1)和外管(2)组成,所述内管和外管以包含环形间隙的方式相互间隔地同轴布置,并且,在所述两个管之间的环形间隙内设有真空绝缘件,
其特征在于,
-在所述内管(1)的外部上面安设抗拉的保护层,所述保护层在所述内管(1)的两个端部处与所述内管固定连接,并且
-所述保护层由抗拉的线(4,5)构成,所述线在至少两层内以相反的捻转方向相互重叠地、螺旋形地缠绕所述内管。
2.根据权利要求1所述的导管,其特征在于,所述线(4,5)由不锈钢构成。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13306563.1A EP2873901B1 (de) | 2013-11-15 | 2013-11-15 | Flexible Rohrleitung |
EP13306563.1 | 2013-11-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN104653903A true CN104653903A (zh) | 2015-05-27 |
Family
ID=49725076
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410643598.6A Pending CN104653903A (zh) | 2013-11-15 | 2014-11-06 | 柔性导管 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9261206B2 (zh) |
EP (1) | EP2873901B1 (zh) |
KR (1) | KR102280958B1 (zh) |
CN (1) | CN104653903A (zh) |
RU (1) | RU2594086C2 (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160159564A1 (en) * | 2014-12-09 | 2016-06-09 | Diana Smith | Single-Serve Beverage Container |
EP3699470B1 (en) * | 2019-02-22 | 2022-11-09 | Uponor Innovation AB | Insulated pipe |
DE102019132190A1 (de) * | 2019-07-09 | 2021-01-14 | Westfalia Metal Hoses Gmbh | Leitungselement mit Luftspaltisolierung |
CN110578839A (zh) * | 2019-08-30 | 2019-12-17 | 北京航天动力研究所 | 一种用于输送液氢和液氧的真空绝热金属软管 |
ES2904865T3 (es) * | 2019-09-16 | 2022-04-06 | V21 Gmbh | Elemento aislante con superficie corrugada |
Citations (9)
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US3595275A (en) * | 1968-07-24 | 1971-07-27 | Vacuum Barrier Corp | Spacer means for cryogenic coaxial tubing |
US4570678A (en) * | 1983-04-25 | 1986-02-18 | Kabelmetal Electro Gmbh | Conduit system for transporting low temperature fluids |
US6186181B1 (en) * | 1998-04-23 | 2001-02-13 | Alcatel | Flexible line pipe |
US6607010B1 (en) * | 2001-05-10 | 2003-08-19 | Southeastern Universities Res. Assn, Inc. | Flexible collapse-resistant and length-stable vaccum hose |
CN2729479Y (zh) * | 2004-05-17 | 2005-09-28 | 甘国工 | 钢骨架增强复合聚合物管道接头 |
CN2895949Y (zh) * | 2005-11-22 | 2007-05-02 | 伦慧东 | 煤矿井下用钢骨架纤维增强树脂管 |
CN101073128A (zh) * | 2004-12-01 | 2007-11-14 | 住友电气工业株式会社 | 超导电缆 |
CN102168783A (zh) * | 2009-12-16 | 2011-08-31 | 尼克桑斯公司 | 超导电缆系统 |
EP2410223A1 (de) * | 2010-07-21 | 2012-01-25 | Nexans | Leitungsrohr zum Unterwasser-Transport eines Fluids |
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US4121623A (en) * | 1976-07-02 | 1978-10-24 | Kabel-Und Metallwerke Gutehoffnungshutte | Spacer for concentric tubes |
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DE3334770C2 (de) * | 1983-09-26 | 1994-03-31 | Kabelmetal Electro Gmbh | Leitungsrohr zur Fortleitung von tiefgekühlten Medien |
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RU20147U1 (ru) * | 2001-04-17 | 2001-10-20 | Бодров Валерий Владимирович | Гибкий элемент трубопровода |
DE10211074A1 (de) * | 2002-03-13 | 2003-09-25 | Nexans | Leitungsrohr für den Transport von tiefgekühlten Medien |
AU2007246827B2 (en) * | 2006-05-08 | 2013-06-27 | Dunlop Oil and Marine Ltd. | Improvements relating to hose |
EP2253878B1 (de) | 2009-05-18 | 2011-10-19 | Nexans | Flexible Rohrleitung |
RU120183U1 (ru) * | 2012-05-18 | 2012-09-10 | Общество с ограниченной ответственностью "Группа ПОЛИМЕРТЕПЛО" (ООО "Группа ПОЛИМЕРТЕПЛО") | Многослойная труба |
-
2013
- 2013-11-15 EP EP13306563.1A patent/EP2873901B1/de active Active
-
2014
- 2014-11-06 CN CN201410643598.6A patent/CN104653903A/zh active Pending
- 2014-11-10 RU RU2014145184/06A patent/RU2594086C2/ru not_active IP Right Cessation
- 2014-11-10 US US14/537,097 patent/US9261206B2/en active Active
- 2014-11-14 KR KR1020140158811A patent/KR102280958B1/ko active IP Right Grant
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
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US3595275A (en) * | 1968-07-24 | 1971-07-27 | Vacuum Barrier Corp | Spacer means for cryogenic coaxial tubing |
US4570678A (en) * | 1983-04-25 | 1986-02-18 | Kabelmetal Electro Gmbh | Conduit system for transporting low temperature fluids |
US6186181B1 (en) * | 1998-04-23 | 2001-02-13 | Alcatel | Flexible line pipe |
US6607010B1 (en) * | 2001-05-10 | 2003-08-19 | Southeastern Universities Res. Assn, Inc. | Flexible collapse-resistant and length-stable vaccum hose |
CN2729479Y (zh) * | 2004-05-17 | 2005-09-28 | 甘国工 | 钢骨架增强复合聚合物管道接头 |
CN101073128A (zh) * | 2004-12-01 | 2007-11-14 | 住友电气工业株式会社 | 超导电缆 |
CN2895949Y (zh) * | 2005-11-22 | 2007-05-02 | 伦慧东 | 煤矿井下用钢骨架纤维增强树脂管 |
CN102168783A (zh) * | 2009-12-16 | 2011-08-31 | 尼克桑斯公司 | 超导电缆系统 |
EP2410223A1 (de) * | 2010-07-21 | 2012-01-25 | Nexans | Leitungsrohr zum Unterwasser-Transport eines Fluids |
Also Published As
Publication number | Publication date |
---|---|
US9261206B2 (en) | 2016-02-16 |
RU2594086C2 (ru) | 2016-08-10 |
US20150136268A1 (en) | 2015-05-21 |
EP2873901A1 (de) | 2015-05-20 |
KR20150056486A (ko) | 2015-05-26 |
RU2014145184A (ru) | 2016-06-10 |
EP2873901B1 (de) | 2018-01-03 |
KR102280958B1 (ko) | 2021-07-26 |
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