CN103791183A - Pipe joint for non-metal submarine pipeline - Google Patents
Pipe joint for non-metal submarine pipeline Download PDFInfo
- 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
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- CN
- China
- Prior art keywords
- nonmetal
- flange
- pipe joint
- intubate
- sleeve
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- 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.)
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Classifications
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- 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
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
- F16L23/20—Flanged joints characterised by the sealing means the sealing means being rings made exclusively of metal
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- 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
- F16L21/00—Joints with sleeve or socket
- F16L21/007—Joints 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
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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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 |
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CN201410083152.2A CN103791183A (en) | 2014-03-07 | 2014-03-07 | Pipe joint for non-metal submarine pipeline |
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CN103791183A true CN103791183A (en) | 2014-05-14 |
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Family Applications (1)
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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)
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)
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 |
-
2014
- 2014-03-07 CN CN201410083152.2A patent/CN103791183A/en not_active Withdrawn
Patent Citations (7)
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)
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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Application publication date: 20140514 |