CN106015784A - Pipeline connector carried by unmanned ship - Google Patents
Pipeline connector carried by unmanned ship Download PDFInfo
- Publication number
- CN106015784A CN106015784A CN201610475211.XA CN201610475211A CN106015784A CN 106015784 A CN106015784 A CN 106015784A CN 201610475211 A CN201610475211 A CN 201610475211A CN 106015784 A CN106015784 A CN 106015784A
- Authority
- CN
- China
- Prior art keywords
- ring
- flange
- injection
- unmanned boat
- pipeline adapter
- 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
Links
- 238000002347 injection Methods 0.000 claims abstract description 30
- 239000007924 injection Substances 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 9
- 239000000565 sealant Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 239000008393 encapsulating agent Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 239000003566 sealing material Substances 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 12
- 238000009434 installation Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000005493 welding type Methods 0.000 description 1
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
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
-
- 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
- F16L23/165—Flanged joints characterised by the sealing means comprising a viscous mass, e.g. hardenable
-
- 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
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/032—Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
-
- 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
-
- 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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
- F16L55/175—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by using materials which fill a space around the pipe before hardening
-
- 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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/179—Devices for covering leaks in pipes or hoses, e.g. hose-menders specially adapted for bends, branch units, branching pipes or the like
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
- Gasket Seals (AREA)
Abstract
The invention provides a pipeline connector (10) carried by an unmanned ship. The pipeline connector (10) comprises pipeline parts (14), a plurality of supporting flanges (12) and injection gaskets (26) and is formed between the pipeline parts (14) and the supporting flanges (12). The pipeline parts (14) are connected together through a nut and a screw. Gaskets (20) are installed among the flange faces of the supporting flanges (12). Each supporting flange (12) is provided with an annular groove (22). A ring (24) is arranged inside each groove (22). The rings (24) and the grooves (22) are arranged in order of size. The injection gaskets (26) are installed on the rings (24) and used for directly injecting sealing materials.
Description
Technical field
The present invention relates to keep in repair the pipeline carried in apparatus, particularly benthal oil-gas pipeline maintenance by unmanned boat even
Connect device.
Background technology
Adapter maintenance is to install securing member-adapter outside the pipeline of leakage position, reaches to keep in repair pipe leakage
Purpose, adapter maintenance technique is at present the most ripe to be applied at land and sea-bottom oil-gas pipeline maintenance activity
In, according to adapter maintenance technique at the applicable cases of sea-bottom oil-gas pipeline, most critical in current maintenance technique
Parts be exactly submarine pipeline adapter.Two halves shape made mostly by adapter, be connected with during use method or
Welding is fixed on pipeline, therefore can be divided into welding type and bolt connecting type.Welding connector is permissible
Improving and repair reliability, bolt connecting type is more convenient.
Marine site vast for China submarine pipeline maintenance, the method used at present is to carry out under water for Repulse Bay
Manually dive under water installation and maintenance, and for deep water area, be that submarine pipeline is mentioned on workboat, at workboat
On pipeline damaging part is carried out pretreatment after directly pipeline be attached device reparation install.But for water
The situation that territory muddiness visibility is extremely low, both the above method drawback is obvious, owing to needing to arrange for supporting ship, people
Member, maintenance of equipment and other auxiliary equipments to maintenance sites, and need to be supported after completing to operate ship,
The recovery operation of personnel, maintenance of equipment and other auxiliary equipments, it is therefore desirable to the time of consuming and Financial cost
The highest.
The connector apparatus of domestic production producer is mainly used in land oil and gas pipes, as can during temporary repair
With normal closure oil and gas pipes 2-3 month, it is ensured that oil gas does not leaks at adapter surrounding sealing, it is used as permanent
During maintenance, can be adapter together with pipeline integral solder.Domestic production producer there is presently no production
For sea-bottom oil-gas pipeline connector apparatus, external sea-bottom oil-gas pipeline home equipment Technical comparing is ripe,
Along with the fast development of unmanned boat technology, the adapter developing some special constructions is carried on unmanned boat,
In the case of staffing, use unmanned boat and service connectors and suitable auxiliary equipment the most permissible
Complete the repair of submerged pipeline, it is not necessary to pipeline is promoted on unmanned boat carry out pretreatment, save the time
And Financial cost.
Summary of the invention
Therefore it is an object of the invention to provide a kind of unmanned boat contained pipeline adapter, including line segments (,
Multiple pivot flanges, spray pad, and pipe connector is formed between line segments and pivot flange, wherein
Line segments is linked together by nut and screw respectively, loads pad between the flange face of pivot flange,
Pivot flange has annular groove, and inside grooves is ring, and ring and groove, through arranging according to size order, spray
Pad is arranged on ring, for directly spraying encapsulant.
Preferably, each described pivot flange is gradually reduced around circumferential periphery, thus in cohesive process
Next peripheral space, near the outer edge of space, described support is stayed between the flange face of each pivot flange
Between the annular groove of flange in alignment.
Preferably, what ring width was loose is arranged on inside grooves, and uses the material identical with pivot flange to constitute.
Preferably, ring is positioned at outside the bolt line of pivot flange side edges.
Preferably, if leaked during pivot flange work, viscous heat can be repaired sealed compound spray
Penetrate the space filling up between packing ring and ring thus will leak out sealing.
Preferably, the injection of sealed compound is completed by injection valve.
Preferably, injection valve is arranged on ring or ring gauge, and ring gauge is positioned at the inside grooves of flange.
Preferably, complete leakage sealed in suitable sealed compound is ejected into bolts assemblies injection apparatus,
Injection apparatus can be installed during Flange joint, or can work as installation when that leakage occurring.
Preferably, the connected mode of pivot flange is the conllinear hole that nut and screw pass pivot flange, is propping up
A hard metal lens circle pad in staying orchid middle pad.
Preferably, flange face is gradually reduced in periphery, thus stays next peripheral space between flange face,
Inserting a becket in this peripheral space, becket edge within it has elastic clip, at flange
Extending between the peripheral region reduced beyond region, becket also has a series of jet, around ring
Direction also has hole apart from one another by, becket in the radial direction and passes for bolt.
Preferably, the injection of sealant is to make sealant pass through pad itself, elastic clip by injection tip
Expanding thus prevent sealant from completing in being back to ring, injection tip is typically to open.
According to below in conjunction with the accompanying drawing detailed description to the specific embodiment of the invention, those skilled in the art will
More understand the above-mentioned of the present invention and other purposes, advantage and feature.
Accompanying drawing explanation
Some describing the present invention the most by way of example, and not by way of limitation in detail are specifically real
Execute example.Reference identical in accompanying drawing denotes same or similar parts or part.People in the art
Member is it should be understood that what these accompanying drawings were not necessarily drawn to scale.The target of the present invention and feature are in view of as follows
Description taken together with the accompanying drawings will be apparent from, in accompanying drawing:
Accompanying drawing 1 represents the first embodiment of the present invention；
Accompanying drawing 2 represents the second embodiment of the present invention；
Accompanying drawing 3 represents the third embodiment of the present invention.
Detailed description of the invention
It is formed at reference to accompanying drawing 1 pipe connector 10 between the pivot flange 12 of line segments 14, Qi Zhongguan
Line part 14 is linked together by nut and screw respectively, needs to load a pad 20 between flange face.
Each flange ring reduces around periphery, thus stays next peripheral space 21 in cohesive process between flange face.
Near their outer edge, flange 12 also has annular groove 22, the most in alignment.Loosely
To be arranged within groove 22 be ring 24, preferably use the material composition identical with flange.Ring 24 has
There is several injection pad 26 for directly spraying encapsulant.Ring 24 and groove 22 are the most according to greatly
Little order sequences, and such ring would not disturb together with hindering Flange joint.
Ring 24 is physically located outside the bolt line near flange.Selecting this position to be because this is low answering
Power region, does not so interfere with the globality of Flange joint.
The appearance of ring 24 represents occur between flange that leakage, process streams are known from experience leakage and flowed out ring and be discharged into sky
In gas.The flange device outside packing ring base area is stoped to occur partially sealed, so that flange design ratio
More perfect.
If flange device work leaks, then viscous heat can be repaired sealed compound and can spray and fill out
Expire the space between packing ring 20 and ring 24 thus will leak out sealing.In embodiment shown in accompanying drawing 1, seal
The injection of compound is completed by injection valve 26.
Turning now to accompanying drawing 2, do not use accompanying drawing 1 with the ring 24 of injection valve, plain ring gauge 40
Internal in the groove 22 of flange.Use plain ring gauge represent flange face without the flange as accompanying drawing 1 along
Periphery is reduced so much.It addition, by being ejected into bolts assemblies injection apparatus by suitably obtaining sealed compound
Completing leakage sealed in 42, the installation of injection apparatus 42 can be carried out during Flange joint, or permissible
Install when leakage occurs when.
Other aspects of attached embodiment illustrated in fig. 2 and the embodiment of accompanying drawing 1 are largely identical, with
The parts of sample have employed same reference.
With reference to accompanying drawing 3, represent that the pipeline formed between two aspectant flanges in pipeline region 52 connects,
The connected mode of flange is the conllinear hole 58 that nut and screw 54,56 pass flange 50, in flange middle pad
A upper hard metal lens circle pad 60.
Flange face is gradually reduced in periphery, thus between stay next peripheral space 62, at this peripheral space
A becket 64 is inserted in 62.Becket 64 edge within it has elastic clip 66, outside flange
Enclose and extend between the region reduced beyond region.Ring 64 also has a series of jet 68, around the side of ring
To in the radial direction apart from one another by.Ring 64 also has hole 70 and passes for bolt 56.Ring 64 is generally two
It is lax state between individual flange, in the case of retaining elastic clip.
Use hard metal lens circle pad to carry out pipeline connection and be considered meeting in leakage sealed operating process
Cause the most serious leakage, because the work that the slight pressure on gasket material and expulsion pressure are on flange face
With cause.But, by reducing the reduction of the flange region that sealant expulsion pressure is implemented, ring 64 reduces
The generation of the problems referred to above, wherein the injection of sealant be by injection tip 68 make sealant pass through pad this
Body, elastic clip 66 expands thus prevents sealant to be back in ring 64.
Injection tip 68 is typically to open, thus allows any internal leakage gas before leakage sealed beginning
Exhaust.It addition, real leakage sealed before, it is not necessary to flange is made additional physics or mechanical work.
Therefore present invention provide for the leakage sealed system that flanged (FLGD) pipeline connects, can the when of installation
To shrink and add-on security can also be provided in the case of without further mechanical work or extras
Property and work efficiency.
Although the present invention is described by reference to specific illustrative embodiment, but will not be by these
The restriction of embodiment and only limited by accessory claim.Skilled artisan would appreciate that permissible
In the case of without departing from protection scope of the present invention and spirit, embodiments of the invention can be modified and
Amendment.
Claims (10)
1. unmanned boat contained pipeline adapter (10), it is characterised in that: include line segments (14),
Multiple pivot flanges (12), injection pad (26), described pipe connector (10) is formed at pipeline portion
Dividing between (14) and pivot flange (12), wherein said line segments (14) is respectively by nut and spiral shell
Nail links together, loading pad (20) between the flange face of described pivot flange (12), described
Staying blue (12) has annular groove (22), and described groove (22) is internal is ring (24), described ring
(24) arranging according to size order with groove (22) warp, described injection pad (24) is arranged on described ring
(24) on, for directly spraying encapsulant.
A kind of unmanned boat contained pipeline adapter (10) the most according to claim 1, it is characterised in that:
Each described pivot flange (12) is gradually reduced around circumferential periphery, thus at each in cohesive process
Next peripheral space (21), near the outer edge of space, institute is stayed between the flange face of staying blue (12)
State between the annular groove (22) of pivot flange (12) in alignment.
A kind of unmanned boat contained pipeline adapter (10) the most according to claim 1, it is characterised in that:
It is internal that what described ring (24) was loose is arranged on groove (22), and uses and described pivot flange (12)
Identical material is constituted.
A kind of unmanned boat contained pipeline adapter (10) the most according to claim 1, it is characterised in that:
Described ring (24) is positioned at outside the bolt line of described pivot flange (12) side edges.
A kind of unmanned boat contained pipeline adapter (10) the most according to claim 1, it is characterised in that:
If leaked during described pivot flange (12) work, viscous heat can be repaired sealed compound injection
Fill up the space between packing ring (20) and ring (24) thus will leak out sealing.
A kind of unmanned boat contained pipeline adapter (10) the most according to claim 5, it is characterised in that:
The injection of sealed compound is completed by injection valve (26).
A kind of unmanned boat contained pipeline adapter (10) the most according to claim 6, it is characterised in that:
Described injection valve (26) is arranged on ring (24) or ring gauge (40), and described ring gauge (40) is positioned at method
Blue groove (22) is internal.
A kind of unmanned boat contained pipeline adapter (10) the most according to claim 5, it is characterised in that:
Complete leakage sealed in suitable sealed compound is ejected into bolts assemblies injection apparatus (42), described spray
Injection device (42) can be installed during Flange joint, or can work as peace when that leakage occurring
Dress.
A kind of unmanned boat contained pipeline adapter (10) the most according to claim 1, it is characterised in that:
The connected mode of described pivot flange (12) is that nut and screw (54,56) are through described pivot flange
Conllinear hole, hard metal lens circle pad (60) in described pivot flange middle pad.
A kind of unmanned boat contained pipeline adapter (10) the most according to claim 9, it is characterised in that:
Flange face is gradually reduced in periphery, thus stays next peripheral space (62) between flange face, outer at this
Inserting a becket (64) in confining space (62), described becket (64) edge within it has bullet
Property intermediate plate (66), extend between the peripheral region reduced beyond region of flange, described becket (64)
Also there is a series of jet (68), around the direction of ring in the radial direction apart from one another by, described gold
Genus ring (64) also has hole (70) and passes for bolt (56), and wherein the injection of sealant is by injection
Port (68) makes sealant pass through pad (60) itself, and elastic clip (66) expands thus prevents from sealing
Agent completes in being back to ring (64), and described injection tip (68) is typically to open.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610475211.XA CN106015784B (en) | 2016-06-26 | 2016-06-26 | Unmanned boat contained pipeline connector |
| PCT/CN2016/095105 WO2018000539A1 (en) | 2016-06-26 | 2016-08-14 | Unmanned shipborne pipeline connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610475211.XA CN106015784B (en) | 2016-06-26 | 2016-06-26 | Unmanned boat contained pipeline connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106015784A true CN106015784A (en) | 2016-10-12 |
| CN106015784B CN106015784B (en) | 2018-09-25 |
Family
ID=57084331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610475211.XA Active CN106015784B (en) | 2016-06-26 | 2016-06-26 | Unmanned boat contained pipeline connector |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106015784B (en) |
| WO (1) | WO2018000539A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150746A (en) * | 2017-08-25 | 2018-06-12 | 天津斯林力克密封科技有限公司 | Pipe jointer sealing ring |
| CN110953255A (en) * | 2019-11-08 | 2020-04-03 | 安徽莱鑫精密特种钢管有限公司 | Flange connection structure |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542424A (en) * | 2020-11-25 | 2022-05-27 | 安徽威灵汽车部件有限公司 | Pipeline sealing structure, compressor, air conditioning equipment and vehicle |
| CN113983277B (en) * | 2021-10-26 | 2023-05-05 | 广东中创南岭环境科技有限公司 | High-pressure pipeline plugging device with good plugging effect |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2046171U (en) * | 1988-12-14 | 1989-10-18 | 华北石油管理局勘察设计院 | High voltage insulation flange |
| CN2230863Y (en) * | 1995-07-28 | 1996-07-10 | 袁杰 | Injective tightly sealed flange |
| JP2011122692A (en) * | 2009-12-11 | 2011-06-23 | Waterworks Technology Development Organization Co Ltd | Flange connecting structure of duct constitution member |
| US20120007358A1 (en) * | 2010-07-07 | 2012-01-12 | Federal Flange, Inc. | Gasket Retention System for Flange Coupling |
| CN104565617A (en) * | 2014-12-22 | 2015-04-29 | 洛阳能源密封件有限公司 | High-temperature medium conveying pipeline butt joint sealing element |
| CN204901136U (en) * | 2015-09-01 | 2015-12-23 | 中铁建设集团设备安装有限公司 | Special pipeline reducer union of central air conditioning |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8726885D0 (en) * | 1987-11-17 | 1987-12-23 | Furmanite Int Ltd | Flanged pipeline connections |
| CN102022596B (en) * | 2009-09-16 | 2012-12-19 | 上海冠龙阀门机械有限公司 | Sealing and connecting structure of flange |
| CN201891981U (en) * | 2010-12-20 | 2011-07-06 | 重庆建峰工业集团有限公司 | Pressurized plugging clamp of irregular flange |
| CN103423530B (en) * | 2012-07-11 | 2016-04-27 | 中国海洋石油总公司 | Mechanical locking submarine pipeline connector |
| CN204201057U (en) * | 2014-09-04 | 2015-03-11 | 李伟源 | A kind of flange sealing structure |
| CN205078957U (en) * | 2015-09-01 | 2016-03-09 | 中国海洋石油总公司 | Flanged connectors |
-
2016
- 2016-06-26 CN CN201610475211.XA patent/CN106015784B/en active Active
- 2016-08-14 WO PCT/CN2016/095105 patent/WO2018000539A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2046171U (en) * | 1988-12-14 | 1989-10-18 | 华北石油管理局勘察设计院 | High voltage insulation flange |
| CN2230863Y (en) * | 1995-07-28 | 1996-07-10 | 袁杰 | Injective tightly sealed flange |
| JP2011122692A (en) * | 2009-12-11 | 2011-06-23 | Waterworks Technology Development Organization Co Ltd | Flange connecting structure of duct constitution member |
| US20120007358A1 (en) * | 2010-07-07 | 2012-01-12 | Federal Flange, Inc. | Gasket Retention System for Flange Coupling |
| CN104565617A (en) * | 2014-12-22 | 2015-04-29 | 洛阳能源密封件有限公司 | High-temperature medium conveying pipeline butt joint sealing element |
| CN204901136U (en) * | 2015-09-01 | 2015-12-23 | 中铁建设集团设备安装有限公司 | Special pipeline reducer union of central air conditioning |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150746A (en) * | 2017-08-25 | 2018-06-12 | 天津斯林力克密封科技有限公司 | Pipe jointer sealing ring |
| CN110953255A (en) * | 2019-11-08 | 2020-04-03 | 安徽莱鑫精密特种钢管有限公司 | Flange connection structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106015784B (en) | 2018-09-25 |
| WO2018000539A1 (en) | 2018-01-04 |
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