CN1085811C - 在管道上密封地接合带法兰的联接器的方法 - Google Patents
在管道上密封地接合带法兰的联接器的方法 Download PDFInfo
- Publication number
- CN1085811C CN1085811C CN97110373A CN97110373A CN1085811C CN 1085811 C CN1085811 C CN 1085811C CN 97110373 A CN97110373 A CN 97110373A CN 97110373 A CN97110373 A CN 97110373A CN 1085811 C CN1085811 C CN 1085811C
- Authority
- CN
- China
- Prior art keywords
- pipeline
- joiner
- inner recess
- pressure
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000005304 joining Methods 0.000 title abstract description 4
- 230000008878 coupling Effects 0.000 title abstract 4
- 238000010168 coupling process Methods 0.000 title abstract 4
- 238000005859 coupling reaction Methods 0.000 title abstract 4
- 239000000463 material Substances 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 claims description 2
- 230000009467 reduction Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 238000005086 pumping Methods 0.000 abstract description 2
- 230000005489 elastic deformation Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229920001875 Ebonite Polymers 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/12—Laying or reclaiming pipes on or under water
-
- 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
- F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
- F16L13/14—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling
- F16L13/147—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling by radially expanding the inner part
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
-
- 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
- F16L23/00—Flanged joints
- F16L23/12—Flanged joints specially adapted for particular pipes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
- Joints With Sleeves (AREA)
- Gasket Seals (AREA)
Abstract
一种在管道上密封地接合带法兰的联接器用的方法,包括下列连续的步骤:在管道内产生与待接合的联接器相应的密封腔,将水或另一种液体泵入所述密封腔到极高压力,继续所述加压直到该联接器达到其弹性形变极限而管道塑性地变形,最后降低该密封腔内的压力。
Description
本发明涉及一种能够以快速、经济、良好而高效的方式将一个带法兰的联接器和一个管道密封地连接在一起的方法,该方法即使当管道置于海洋深处时也能够快速地修补破损的管道。
已知修补破损管道的必需操作周期包括切割去破损部分,然后将一个带法兰的外部联接器密封地接合在每个管道完好部分的自由端部上,通过一个在所述带法兰的联接器之间密封地夹住的管件能够将所述管道的完好部分接合在一起。
在该技术中已知各种将带法兰的联接器密封地接合在管道上而不必采用花钱多和费时长的焊接过程的方法。
所述已知方法之一是通过爆炸进行接合,也就是通过适当安置在管内的炸药来塑性地膨胀管子和联接器。
但是这样一种方法除了高度危险外,还由于极难将炸药最有效地安置在管内而不可靠。此外,该法对600米或更大的海洋深度的应用是非常复杂的因而也是昂贵的,其中该法尤其需要倒空管道中包含的水,然而对这样的深度本发明的方法却已经有效地操作而且对其已明确地想到了。
另一种已知方法使用一种用负膨胀系数的材料即随温度升高而收缩的材料制成的带法兰的联接器。采用该第二种方法,所述联接器被降低到液氮的温度即约-196°,然后被安装到管子上,其后使温度恢复到环境温度,通过这一点联接器收缩,从而压住所述管子并因此粘合成完全密封。通过该法得到的接合从压力和轴向应力两方面来说都是高效率的,在压力方面该密封过程沿联接器的整个长度延伸,而在轴向应力方面该联接器和管子之间的强烈粘合防止任何轴向滑动,但是立即就会明白,这样一种方法肯定不是一种实用的快速的或经济的接合方式,特别是当必须在所述海洋深度做到这一点的时候。此外,联接器能够从外部施加到管子上的压力由于管子横截面本身的不恒定而受到限制,因此联接器和管子之间的粘合力也受到限制。
另外,该法还有经常产生一或大或小程度的管子收缩或缩紧的缺点,这对于油气管道是有害的,因为这可能妨碍熟知的小铁车即轨道自动车在其间的必要通行,这种轨道自动车是装备来用于在内部清洁管道或用于检查管道机械特性的。
根据该技术中已知的另一种方法,使用一种在其内部已经设置了密封件和防滑部件的特制联接器,这些防滑部件是通过液压技术压在管子上的。虽然后一方法可以快速而相当良好地应用于甚至很大深度处,但它有各种缺点。除了联接器成本高因而不便宜以外,它的密封作用随时间而变得不够牢靠,因为密封作用是由会老化的弹性体密封部件提供的。此外,在这种情况下防滑部件能够从外部施加在管子上的压力又一次受管子横截面的不恒定的限制,结果使预防该特制联接器和管子之间滑动的力受到限制。
本发明的申请人提供一个特定方法预先克服了所有上述缺点,通过该方法即使在很大深度处也可以在带法兰的联接器和管子之间有效、快速、经济而容易地进行密封的接合,管道不产生收缩或缩紧。
1980年5月6日申请的No.21811 A/80和1984年3月14日申请的No.200 46 A/84两个意大利专利中描述了该方法。
众所周知,根据所述专利申请的方法,通过连续的步骤将一个其内表面形状具有一系列凹口和凸齿的圆筒形联接器密封地固定在一根钢管道上,这些步骤包括使联接器的内表面成形一系列凹口和凸齿,在联接器的每个凹口中填充两个用正常压力下实际上不变形或实际上几乎不变形的材料制成的半环(但在300kg/cm2大小的高压下崩塌,其体积剧烈减小70%以上),然后向形成的装配件中插入一个环状截面的特制硬橡胶插头式膨胀器,该膨胀器松懈地安装在特制钢轴上并被封闭在两个同样松懈地安装在所述钢轴上的尼龙抗挤压环之间,在两个尼龙抗挤压环的每一对对置前表面之间的沿周面的V形槽内分别插入所述插头的沿周面的锥形侧端部,之后通过在所述两个尼龙环上的作用沿轴向加压所述硬橡胶插头,从而使所述管道-联接器装配件沿径向膨胀至联接器材料的弹性形变极限,该极限大于管道的弹性形变极限,然后对所述插头卸压并将其从管道内退出。
显然,利用沿轴向压缩的橡胶插头来使管道-联接器装配件沿径向膨胀,该管道-联接器装配件上的压力分布是不均匀的。因此管道和联接器在联接器的中央部分变形到较大程度而在联接器的两端附近变形到较小程度。所以管道较少地穿透到联接器的侧向凹口中,从而减弱了接合部的压力密封性能并使其减弱可靠性。
本发明的目的是提供一种方法来精确地消除所述缺点,该方法能够通过在管道-联接器装配件上获得均匀的压力分布来以更加有效的方式(甚至在海洋深处)将具有齿形内表面的联接器密封地接合在管道上。
这个目的基本上是这样达到的,就是,使管道-联接器装配件沿径向膨胀直到联接器的弹性形变极限而管道却塑性变形所需的压力是通过泵入密封腔内到极高压力的水或另一种液体来提供的,该密封腔合适地设置在与待接合的联接器相应的管道内。
本发明提供一种将一个联接器密封地接合在水下管道上的方法,该联接器具有比该管道更大的弹性形变极限,该联接器至少具有一个内凹口,在该内凹口中具有两个由在压力下崩塌的材料制成的两个半圈,所述方法包括以下步骤:1)在所述管道的一端部上安装所述联接器,使得该至少一个内凹口位于该管道的一部分上;2)在该管道具有该至少一个内凹口的部分产生一个密封腔;3)在该密封腔内产生充分的液压以塑性膨胀该管道,使该管道进入所述至少一个内凹口,并将其中的半圈崩塌,但是基本不塑性膨胀该联接器;以及4)降低该密封腔内的压力。
本发明的特征还在于:所述联接器至少具有两个内凹口,每个内凹口中具有两个由在300kg/cm2压力下崩塌的材料制成的两个半圈。
本发明的特征还在于:在步骤1)后由导入到该管道的一装置形成所述密封腔,该装置具有形成所述密封腔的机构,并且在步骤4)以后,取出该装置。
使用根据本发明的所述方法意味着,管道-联接器装配件上的压力分布变得均匀了。因此管道均匀地穿透到联接器的凹口中,从而提高了接合部的压力密封性能并使其更加可靠。
显然,由于应用大为简化,本发明的产生所需径向膨胀压力的方法可以有效而经济地用于安置在海洋深处的油气管道上。
下面参照附图详细描述本发明,这些附图作为不起限制作用的例子说明本发明的一个优选实施例,其中可以对其进行技术的、工艺的和结构的改型而不偏离本发明的范围。
在所述附图中:
图1是通过一个管道端部的纵向截面图,根据本发明,管道上存在一定空隙地安装了准备密封地接合于其上面的带法兰的联接器,而管道中插入一个可以在管道内产生密封腔用的装置;
图2是类似于图1的纵向截面图,是根据本发明在管道-联接器装配件沿径向膨胀期间截取的,这种膨胀是通过在所述密封腔内以极高压力压缩水或另一种液体而产生的;
图3是在管道-联接器装配件从其最大径向膨胀位置弹性复原后通过管道-联接器装配件形成的最终构型的纵向截面图。
图中标号1表示一个联接器,该联接器被密封地接合在一个安置于很大深度处的水下管道2上。为此目的,在联接器的内表面3上形成一系列凹口4和凸齿5,然后每个凹口填有两个半圈6,其中构成联接器的材料具有比构成管道2的材料更大的弹性形变极限。
然后将以这种方式准备的联接器下降到深海海床上并安装在所述水下管道2的端部上。然后利用配置的适当装置使管道-联接器装配件沿径向膨胀,以便在管道内产生一个密封腔7。
该管道-联接器装配件被膨胀到联接器1的材料的弹性形变极限,使得管道2塑性地形变到联接器1的凹口4中。
最后消去所述装置的激活作用并将其退出,使得联接器的弹性复原在下方安置的管道2中产生所要的密封性能。
Claims (3)
1.一种将一个联接器密封地接合在水下管道上的方法,该联接器具有比该管道更大的弹性形变极限,该联接器至少具有一个内凹口,在该内凹口中具有两个由在压力下崩塌的材料制成的两个半圈,所述方法包括以下步骤:
1)在所述管道的一端部上安装所述联接器,使得该至少一个内凹口位于该管道的一部分上;
2)在该管道具有该至少一个内凹口的部分产生一个密封腔;
3)在该密封腔内产生充分的液压以塑性膨胀该管道,使该管道进入所述至少一个内凹口,并将其中的半圈崩塌,但是基本不塑性膨胀该联接器;以及
4)降低该密封腔内的压力。
2.如权利要求1所述的方法,其特征在于:所述联接器至少具有两个内凹口,每个内凹口中具有两个由在300kg/cm2压力下崩塌的材料制成的两个半圈。
3.如权利要求2所述的方法,其特征在于:在步骤1)后由导入到该管道的一装置形成所述密封腔,该装置具有形成所述密封腔的机构,并且在步骤4)以后,取出该装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000742A/96 | 1996-04-18 | ||
IT96MI000742A IT1283611B1 (it) | 1996-04-18 | 1996-04-18 | Metodo per la giunzione a tenuta di un manicotto flangiato su di una tubazione |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1167882A CN1167882A (zh) | 1997-12-17 |
CN1085811C true CN1085811C (zh) | 2002-05-29 |
Family
ID=11374010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN97110373A Expired - Fee Related CN1085811C (zh) | 1996-04-18 | 1997-04-16 | 在管道上密封地接合带法兰的联接器的方法 |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0802002A1 (zh) |
JP (1) | JPH112364A (zh) |
KR (1) | KR970070692A (zh) |
CN (1) | CN1085811C (zh) |
AU (1) | AU714704B2 (zh) |
BR (1) | BR9701852A (zh) |
IT (1) | IT1283611B1 (zh) |
NO (1) | NO971736L (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2224824B1 (es) * | 2002-11-28 | 2006-01-16 | Iberfusion, S.L. | Metodo para realizar una transicion entre tuberias de acero y polietileno. |
EP3011211B1 (en) * | 2013-06-20 | 2018-05-23 | Eaton Corporation | Visual indicator for swage fluid coupling |
EP3110575B1 (en) | 2014-02-25 | 2017-12-20 | Saipem S.p.A. | Method and kit for joining a tubular member and a pipeline for conveying corrosive products |
CN109290457A (zh) * | 2018-11-19 | 2019-02-01 | 江阴市液压油管有限公司 | 一种液压油管胀管结构和胀管工艺 |
IT201800010510A1 (it) | 2018-11-22 | 2020-05-22 | Saipem Spa | Connettore per tubazioni e metodo per collegare il connettore ad una tubazione |
CN114413084A (zh) * | 2022-01-21 | 2022-04-29 | 亿隆自动化不锈钢技术(青岛)有限公司 | 一种铝管的滚柱胀管及其制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4501514A (en) * | 1980-09-08 | 1985-02-26 | British Underwater Pipeline Engineering | Securing of structures to the sea-bed |
US4593448A (en) * | 1984-03-14 | 1986-06-10 | Nuovo Pignone S.P.A. | Method for tightly jointing a sleeve to a submarine pipe laid at great depth |
EP0338164A1 (en) * | 1988-04-22 | 1989-10-25 | Cooper Industries, Inc. | Subsea tubular joint |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2312310A1 (fr) * | 1975-05-30 | 1976-12-24 | Comex | Procede et dispositifs pour fixer hydrauliquement un embout sur un bout de tube et embouts correspondant |
IT1186702B (it) * | 1984-08-07 | 1987-12-16 | Nuovo Pignone Spa | Giunto telescopico perfezionato per la riparazione di tubazioni sottomarine posate a grandi profondita' |
-
1996
- 1996-04-18 IT IT96MI000742A patent/IT1283611B1/it active IP Right Grant
-
1997
- 1997-04-01 EP EP97200950A patent/EP0802002A1/en not_active Ceased
- 1997-04-03 AU AU17719/97A patent/AU714704B2/en not_active Ceased
- 1997-04-16 CN CN97110373A patent/CN1085811C/zh not_active Expired - Fee Related
- 1997-04-16 NO NO971736A patent/NO971736L/no unknown
- 1997-04-17 KR KR1019970014247A patent/KR970070692A/ko not_active Application Discontinuation
- 1997-04-18 JP JP9101786A patent/JPH112364A/ja active Pending
- 1997-04-18 BR BR9701852A patent/BR9701852A/pt not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4501514A (en) * | 1980-09-08 | 1985-02-26 | British Underwater Pipeline Engineering | Securing of structures to the sea-bed |
US4593448A (en) * | 1984-03-14 | 1986-06-10 | Nuovo Pignone S.P.A. | Method for tightly jointing a sleeve to a submarine pipe laid at great depth |
EP0338164A1 (en) * | 1988-04-22 | 1989-10-25 | Cooper Industries, Inc. | Subsea tubular joint |
Also Published As
Publication number | Publication date |
---|---|
ITMI960742A1 (it) | 1997-10-18 |
CN1167882A (zh) | 1997-12-17 |
NO971736L (no) | 1997-10-20 |
AU714704B2 (en) | 2000-01-06 |
BR9701852A (pt) | 1998-09-29 |
IT1283611B1 (it) | 1998-04-22 |
ITMI960742A0 (zh) | 1996-04-18 |
KR970070692A (ko) | 1997-11-07 |
JPH112364A (ja) | 1999-01-06 |
NO971736D0 (no) | 1997-04-16 |
AU1771997A (en) | 1997-10-23 |
EP0802002A1 (en) | 1997-10-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4388752A (en) | Method for the sealtight jointing of a flanged sleeve to a pipeline, especially for repairing subsea pipelines laid on very deep sea bottoms | |
CA2685398C (en) | Threaded joint with pressurizable seal | |
US6595559B1 (en) | Pipe coupling | |
US4635972A (en) | Plastic pipe coupling apparatus and method of using same | |
US4608739A (en) | Connector of and sealing of tubular members | |
CN105805486B (zh) | 一种封堵器 | |
US3713675A (en) | Connector for tubular members | |
US20080066926A1 (en) | Protective sleeve for threaded connections for expandable liner hanger | |
US20060162937A1 (en) | Protective sleeve for threaded connections for expandable liner hanger | |
EP0146316A2 (en) | Mehtod of joining pipe | |
US4124229A (en) | Rigid connector for pipe and method of making the same | |
CA2475634A1 (en) | Sealing tubing | |
WO2003058026A1 (en) | Sealing element for pipes and methods for using this | |
CN1085811C (zh) | 在管道上密封地接合带法兰的联接器的方法 | |
JP2005522653A (ja) | パイプ修繕システム及び装置 | |
US5433482A (en) | Weldless pipe repair apparatus and method | |
GB2363829A (en) | A double-barrier metal-to-metal seal assembly | |
CN102242841B (zh) | 一种自动密封双胶圈管道柔性接口 | |
US4583746A (en) | Method and apparatus for sealing between two concentric members | |
US20040206411A1 (en) | Water supply pipe liner | |
CN103782078A (zh) | 用于高压高温加强橡胶软管的端部连接件 | |
CN111749640A (zh) | 一种封隔器、封隔器的加工方法以及封隔器的坐封方法 | |
GB2193540A (en) | Sealing between casing head and hanger | |
CN220396809U (zh) | 一种水利工程管道 | |
GB2406889A (en) | Method for making and installing a pipe liner |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20020529 Termination date: 20110416 |