CN103791183A - Pipe joint for non-metal submarine pipeline - Google Patents

Pipe joint for non-metal submarine pipeline Download PDF

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Publication number
CN103791183A
CN103791183A CN201410083152.2A CN201410083152A CN103791183A CN 103791183 A CN103791183 A CN 103791183A CN 201410083152 A CN201410083152 A CN 201410083152A CN 103791183 A CN103791183 A CN 103791183A
Authority
CN
China
Prior art keywords
nonmetal
flange
pipe joint
intubate
sleeve
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Withdrawn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
CN201410083152.2A
Other languages
Chinese (zh)
Inventor
闫志超
李锦生
单志勇
吴跃
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.)
HANGZHOU OPY OCEAN ENGINEERING CO LTD
Original Assignee
HANGZHOU OPY OCEAN ENGINEERING CO LTD
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 HANGZHOU OPY OCEAN ENGINEERING CO LTD filed Critical HANGZHOU OPY OCEAN ENGINEERING CO LTD
Priority to CN201410083152.2A priority Critical patent/CN103791183A/en
Publication of CN103791183A publication Critical patent/CN103791183A/en
Withdrawn legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00Flanged joints
    • F16L23/16Flanged joints characterised by the sealing means
    • F16L23/18Flanged joints characterised by the sealing means the sealing means being rings
    • F16L23/20Flanged joints characterised by the sealing means the sealing means being rings made exclusively of metal
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L21/00Joints with sleeve or socket
    • F16L21/007Joints with sleeve or socket clamped by a wedging action

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Flanged Joints, Insulating Joints, And Other Joints (AREA)

Abstract

The invention relates to a pipe joint for a non-metal submarine pipeline. The pipe joint for the non-metal submarine pipeline solves the problems that an existing pipe joint is poor in submarine current resistance capacity and prone to leaking oil and gas. In the pipe joint, the tail end of a flange inserting pipe (1) is provided with a plurality of annular grooves (1-1), an O-shaped ring (5) and a retainer ring (6) are arranged in each annular groove (1-1), the non-metal submarine pipeline (7) is inserted into the tail portion of the flange inserting pipe (1), a sleeve (2) is arranged on the flange inserting pipe (1) and the non-metal submarine pipeline (7) in a sleeved mode, a metal sealing steel ring (4) is arranged in the end face of the flange inserting pipe (1), a wedge-shaped assembly (3) is arranged between the non-metal submarine pipeline (7) and the sleeve (2) through a plurality of positioning bolts, and the flange inserting pipe (1), the sleeve (2) and the wedge-shaped assembly (3) are all made of metal materials. The pipe joint is suitable for land and ocean environments.

Description

A kind of nonmetal submarine pipeline pipe joint
Technical field
The present invention relates to a kind of line pipe joint, be specifically related to a kind of nonmetal submarine pipeline pipe joint.
Background technique
Along with the development of ocean drilling and production technology, the rush of demand of submerged pipeline, this just proposes requirements at the higher level to marine oil and gas conveying technology.Marine oil and gas mode of movement mainly uses metal pipe line at present; But nonmetallic composite, due to plurality of advantages such as its flexibility, anticorrosive, costs, progressively demonstrates advantage in the application of submerged pipeline.This nonmetal submarine pipeline is applicable to the connection of nonmetallic composite submerged pipeline with joint.But for the anti-ability of keeping out of seabed ocean current, easily there is the phenomenon of gas leak of the oil leakage in existing pipe joint.
Summary of the invention
The object of the invention is, in order to solve anti-the keep out ability of existing pipe joint for seabed ocean current, the problem of the phenomenon of gas leak of the oil leakage easily to occur.And then provide a kind of nonmetal submarine pipeline pipe joint.
Technological scheme of the present invention is: a kind of nonmetal submarine pipeline comprises flange intubate with pipe joint, sleeve, wedge shape assembly, metal sealing steel ring, multiple O type circles and multiple back-up ring, the end of flange intubate is provided with many annular grooves, in every annular groove, be provided with an O type circle and a back-up ring, nonmetal pipeline is inserted into the afterbody of flange intubate, sleeve set is on flange intubate and nonmetal pipeline, and be threaded connection and fix between sleeve and flange intubate, metal sealing steel ring is arranged in the end face of flange intubate, wedge shape assembly is arranged between nonmetal pipeline and sleeve by multiple holding down bolts, described flange intubate, sleeve and wedge shape assembly are metal material.
The present invention compared with prior art has following effect:
1. nonmetal submarine pipeline joint of the present invention is metal material, and between its joint matching for being rigidly connected, this kind of structure can effectively be kept out the impact of seabed ocean current, and impact resistance improves 73-86%, has farthest avoided the generation of gas leak of the oil leakage phenomenon.
2. the present invention is simple in structure, is easy to realize, with low cost, is particularly useful for land and ocean environment and uses.
3. to be applied in ocean environment be to realize like this sealing to guarantee in the present invention: 1) end face of flange intubate is provided with metal sealing steel ring, and nonmetal pipeline is realized to preliminary sealing; 2) make wedge-shaped blocks produce distortion by screwing sleeve, thereby compress pipeline, realize sealing; 3) between flange intubate and the inner chamber of nonmetal pipeline, have O type circle and back-up ring, voussoir compresses this part of pipeline, realizes high pressure sealing.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention; Fig. 2 is the main sectional view of Fig. 1; Fig. 3 is the sectional view of Fig. 2 at A-A place; Fig. 4 is the partial enlarged drawing of Fig. 2 at C place.
Embodiment
Embodiment one: present embodiment is described in conjunction with Fig. 1-Fig. 4, the nonmetal submarine pipeline of one of present embodiment comprises flange intubate 1 with pipe joint, sleeve 2, wedge shape assembly 3, metal sealing steel ring 4, multiple O type circles 5 and multiple back-up ring 6, the end of flange intubate 1 is provided with many annular groove 1-1, in every annular groove 1-1, be provided with an O type circle 5 and a back-up ring 6, nonmetal pipeline 7 is inserted into the afterbody of flange intubate 1, sleeve 2 is sleeved on flange intubate 1 and nonmetal pipeline 7, and be threaded connection and fix between sleeve 2 and flange intubate 1, metal sealing steel ring 4 is arranged in the end face of flange intubate 1, wedge shape assembly 3 is arranged between nonmetal pipeline 7 and sleeve 2 by multiple holding down bolts, described flange intubate 1, sleeve 2 and wedge shape assembly 3 are metal material.
Embodiment two: in conjunction with Fig. 2, present embodiment is described, the wedge shape assembly 3 of present embodiment is split wedge shape assembly, and described wedge shape assembly 3 comprises multiple voussoir 3-1, multiple voussoir 3-1 are uniform to be arranged on nonmetal pipeline 7 outer tube walls.So arrange, be convenient to realize sealing.Other composition and annexation are identical with embodiment one.
Embodiment three: in conjunction with Fig. 2, present embodiment is described, the large end internal surface of the each voussoir 3-1 place of present embodiment is provided with anti-skid teeth line 3-1-1.So arrange, when the tooth line of voussoir is pressed into nonmetal pipeline 7, effectively prevented nonmetal pipeline 7 and joint slippage of the present invention.Other composition and annexation are identical with embodiment two.
Embodiment four: in conjunction with Fig. 2, present embodiment is described, the outer side wall of multiple voussoir 3-1 of present embodiment is provided with many annular groove 3-2.So arrange, be convenient to sleeve 2 and in the time screwing, produce distortion, realize high pressure sealing.Other composition and annexation are identical with embodiment two or three.
Embodiment five: in conjunction with Fig. 2, present embodiment is described, the quantity of multiple voussoir 3-1 of present embodiment is 4-8.So arrange, be convenient to meet sealing effect.Other composition and annexation are identical with embodiment two or three.
As a kind of optimal way, the quantity of multiple voussoir 3-1 of present embodiment is 6.So arrange, it is best that sealing effect reaches.
Embodiment six: in conjunction with Fig. 2, present embodiment is described, the quantity of many annular groove 3-2 of present embodiment is 2-4 bar.So arrange, be convenient to sleeve 2 and in the time screwing, produce distortion, realize high pressure sealing.Other composition and annexation are identical with embodiment four.
As a kind of optimal way, the quantity of many annular groove 3-2 of present embodiment is 3.High pressure sealing the best is so set.
Using method of the present invention is:
1. first sleeve 2 is inserted in composite material tube;
2. the afterbody of flange intubate 1 is inserted to the inside of nonmetal pipeline 7;
3. six wedge-shaped blocks 3-1 are uniformly distributed and are installed to by multiple holding down bolts on the outer surface of nonmetal pipeline 7;
4. be threaded connection sleeve 2 is connected and is fixed with flange intubate 1;
5. the anti-skid teeth line by voussoir 3-1 internal surface compresses the afterbody of nonmetal pipeline 7 and flange intubate 1, thereby realizes nonmetal pipeline 7 and flange intubate 1 is fixing; O type circle by flange intubate 1 outer surface is realized sealing;
6. nonmetal submarine pipeline is fixing with realizing by bolt between joint and joint, uses metal sealing steel ring 4 to realize sealing.
Although the present invention discloses as above with preferred embodiment; but not of the present invention in order to limit; those skilled in the art can also do other variations in spirit of the present invention; and be applied in the NM field of the present invention; certainly, these variations of doing according to spirit of the present invention all should be included in the present invention's scope required for protection.

Claims (6)

1. a nonmetal submarine pipeline pipe joint, it is characterized in that: it comprises flange intubate (1), sleeve (2), wedge shape assembly (3), metal sealing steel ring (4), multiple O type circles (5) and multiple back-up ring (6), the end of flange intubate (1) is provided with many annular grooves (1-1), in every annular groove (1-1), be provided with an O type circle (5) and a back-up ring (6), nonmetal pipeline (7) is inserted into the afterbody of flange intubate (1), sleeve (2) is sleeved on flange intubate (1) and nonmetal pipeline (7), and be threaded connection and fix between sleeve (2) and flange intubate (1), metal sealing steel ring (4) is arranged in the end face of flange intubate (1), wedge shape assembly (3) is arranged between nonmetal pipeline (7) and sleeve (2) by multiple holding down bolts, described flange intubate (1), sleeve (2) and wedge shape assembly (3) are metal material.
2. a kind of nonmetal submarine pipeline pipe joint according to claim 1, it is characterized in that: described wedge shape assembly (3) is split wedge shape assembly, described wedge shape assembly (3) comprises multiple voussoirs (3-1), and multiple voussoirs (3-1) are uniform to be arranged on nonmetal pipeline (7) outer tube wall.
3. a kind of nonmetal submarine pipeline pipe joint according to claim 2, is characterized in that: described each voussoir (3-1) holds greatly internal surface place to be provided with anti-skid teeth line (3-1-1).
4. a kind of nonmetal submarine pipeline pipe joint according to claim 3, is characterized in that: the outer side wall of described multiple voussoirs (3-1) is provided with many annular grooves (3-2).
5. a kind of nonmetal submarine pipeline pipe joint according to claim 2, is characterized in that: the quantity of described multiple voussoirs (3-1) is 4-8.
6. a kind of nonmetal submarine pipeline pipe joint according to claim 4, is characterized in that: the quantity of described many annular grooves (3-2) is 2-4 bar.
CN201410083152.2A 2014-03-07 2014-03-07 Pipe joint for non-metal submarine pipeline Withdrawn CN103791183A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410083152.2A CN103791183A (en) 2014-03-07 2014-03-07 Pipe joint for non-metal submarine pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410083152.2A CN103791183A (en) 2014-03-07 2014-03-07 Pipe joint for non-metal submarine pipeline

Publications (1)

Publication Number Publication Date
CN103791183A true CN103791183A (en) 2014-05-14

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CN201410083152.2A Withdrawn CN103791183A (en) 2014-03-07 2014-03-07 Pipe joint for non-metal submarine pipeline

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106369238A (en) * 2016-10-08 2017-02-01 威海纳川管材有限公司 Non-metal pipeline joint
CN106989241A (en) * 2017-05-12 2017-07-28 威海纳川管材有限公司 A kind of flexible pipe joint with functional unit
CN107044572A (en) * 2017-06-22 2017-08-15 中国海洋大学 A kind of effective precompressed of ocean composite and flexible is from tight coupling
CN107477281A (en) * 2017-09-16 2017-12-15 中国海洋大学 A kind of double limitation connection systems of ocean fiber reinforced composite pipe

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE366582B (en) * 1968-12-06 1974-04-29 Zako Rohrverbindungen Gmbh & C
DE3824777A1 (en) * 1988-07-21 1990-01-25 Wolfgang Kullik Positively locking, weld-free, solder-free and beading-free O-ring/shafted sealing cone pipe connection
CN1228150A (en) * 1997-06-04 1999-09-08 罗伯特·博施有限公司 Structure device for attaching corrugated tube to sleeve
US20050134044A1 (en) * 2003-12-22 2005-06-23 Svetlik Harvey E. Mechanical joint bell adapter for polyethylene pipe
CN2814078Y (en) * 2005-08-12 2006-09-06 廖仲力 Pipe end turnup type thin wall stainless steel pipe fitting with retainer ring spacing sealing
CN102620080A (en) * 2012-04-19 2012-08-01 杭州欧佩亚海洋工程有限公司 Lining pipe joint of marine oil pipeline
CN103470882A (en) * 2013-09-22 2013-12-25 太仓康茂电子有限公司 Welded pipe joint

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE366582B (en) * 1968-12-06 1974-04-29 Zako Rohrverbindungen Gmbh & C
DE3824777A1 (en) * 1988-07-21 1990-01-25 Wolfgang Kullik Positively locking, weld-free, solder-free and beading-free O-ring/shafted sealing cone pipe connection
CN1228150A (en) * 1997-06-04 1999-09-08 罗伯特·博施有限公司 Structure device for attaching corrugated tube to sleeve
US20050134044A1 (en) * 2003-12-22 2005-06-23 Svetlik Harvey E. Mechanical joint bell adapter for polyethylene pipe
CN2814078Y (en) * 2005-08-12 2006-09-06 廖仲力 Pipe end turnup type thin wall stainless steel pipe fitting with retainer ring spacing sealing
CN102620080A (en) * 2012-04-19 2012-08-01 杭州欧佩亚海洋工程有限公司 Lining pipe joint of marine oil pipeline
CN103470882A (en) * 2013-09-22 2013-12-25 太仓康茂电子有限公司 Welded pipe joint

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106369238A (en) * 2016-10-08 2017-02-01 威海纳川管材有限公司 Non-metal pipeline joint
CN106989241A (en) * 2017-05-12 2017-07-28 威海纳川管材有限公司 A kind of flexible pipe joint with functional unit
CN106989241B (en) * 2017-05-12 2022-10-28 威海纳川管材有限公司 Flexible pipe joint with functional unit
CN107044572A (en) * 2017-06-22 2017-08-15 中国海洋大学 A kind of effective precompressed of ocean composite and flexible is from tight coupling
CN107477281A (en) * 2017-09-16 2017-12-15 中国海洋大学 A kind of double limitation connection systems of ocean fiber reinforced composite pipe

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SE01 Entry into force of request for substantive examination
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Application publication date: 20140514