CN213629333U - Sealing device for marine pipeline joint - Google Patents
Sealing device for marine pipeline joint Download PDFInfo
- Publication number
- CN213629333U CN213629333U CN202022663677.7U CN202022663677U CN213629333U CN 213629333 U CN213629333 U CN 213629333U CN 202022663677 U CN202022663677 U CN 202022663677U CN 213629333 U CN213629333 U CN 213629333U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- connecting pipe
- flange
- takeover
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 27
- 239000002184 metal Substances 0.000 claims abstract description 26
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000000839 emulsion Substances 0.000 claims abstract description 11
- 210000001503 joint Anatomy 0.000 claims abstract description 8
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000003292 glue Substances 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000005452 bending Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 3
- 239000002244 precipitate Substances 0.000 abstract description 3
- 239000003208 petroleum Substances 0.000 description 7
- 238000003466 welding Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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- Sealing Material Composition (AREA)
Abstract
The utility model discloses an ocean pipeline connects sealing device, including takeover pipeline one and takeover pipeline two, takeover pipeline one passes through flange and flange bolt group link with the butt joint end of takeover pipeline two, and the inner wall of takeover pipeline one, takeover pipeline two and flange is equipped with the corrugated metal pipe of contact pipeline inner medium. Two ends of the metal corrugated pipe are welded with the inner walls of the first connecting pipe pipeline and the second connecting pipe pipeline, and acrylic emulsion glue medium is filled between the inner walls of the first connecting pipe pipeline and the second connecting pipe pipeline and the outer wall of the metal corrugated pipe. The flange is not affected by the corrosion of impurities and precipitates in the pipeline. The metal corrugated pipe has large expansion amount and good compensation effect, and can generate bending with a certain radian when receiving pressure on one side, thereby compensating and adapting to larger temperature change. The device is suitable for simulating the mechanical influence of ocean current fluctuation on the pipeline, and has the advantage of preventing leakage of the ocean pipeline in a sealed mode.
Description
Technical Field
The utility model relates to an ocean pipe joint especially relates to an ocean pipe joint sealing device.
Background
Petroleum and its refined products (gasoline, kerosene, diesel oil, etc.) will enter into the sea environment to cause pollution in the course of exploitation, refining, storage and transportation and use. With the development of marine oil transportation, marine oil platform transportation pipelines working for a long time are influenced by environments such as seawater or medium corrosion in the pipelines and ocean current fluctuation, insurmountable force and external condition change, such as earthquake or seabed support change and the like for a long time, and besides leakage is easy to occur in the pipeline, leakage is also easy to occur at the joints of the pipelines and the pipelines.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an ocean pipeline connects sealing device. A flange with a built-in bellows and acrylic emulsion glue filling.
The utility model aims at realizing through the following technical scheme:
the utility model discloses an ocean pipeline connects sealing device, including takeover pipeline one and takeover pipeline two, takeover pipeline one passes through flange and flange bolt group link with the butt joint end of takeover pipeline two, the inner wall of takeover pipeline one, takeover pipeline two and flange is equipped with the corrugated metal pipe of contact pipeline inner medium.
By the foregoing the utility model provides a technical scheme can see out, the embodiment of the utility model provides an ocean pipeline joint sealing device, corrugated metal pipe makes the flange not influenced by the corruption of impurity and precipitate in the pipeline in order to replace the medium in the flange contact pipeline. The metal corrugated pipe has large expansion amount and good compensation effect, and can generate bending with a certain radian when receiving pressure on one side, thereby compensating and adapting to larger temperature change.
Drawings
Fig. 1 is a schematic view of a half-section structure of a sealing device for an offshore pipeline joint provided by an embodiment of the present invention;
fig. 2 is a schematic structural view of an embodiment of the present invention in full section;
fig. 3 is a schematic perspective view of an embodiment of the present invention.
In the figure:
1. the pipe joint comprises a first connecting pipe 2, a joint flange 3, a second connecting pipe 4, a metal corrugated pipe 5, an acrylic emulsion glue filling material 6 and a flange bolt group.
Detailed Description
Embodiments of the present invention will be described in further detail below. Details not described in the embodiments of the present invention belong to the prior art known to those skilled in the art.
The utility model discloses an ocean pipeline connects sealing device, the concrete implementation of its preferred is:
the pipe joint structure comprises a first connecting pipe pipeline and a second connecting pipe pipeline, wherein the butt joint end of the first connecting pipe pipeline and the butt joint end of the second connecting pipe pipeline are connected through a joint flange and a flange bolt group, and metal corrugated pipes contacting media in the pipelines are arranged on the inner walls of the first connecting pipe pipeline, the second connecting pipe pipeline and the joint flange.
And two ends of the metal corrugated pipe are welded with the inner walls of the first connecting pipe pipeline and the second connecting pipe pipeline, and an acrylic emulsion adhesive medium is filled between the inner walls of the first connecting pipe pipeline and the second connecting pipe pipeline and the outer wall of the metal corrugated pipe.
The utility model discloses utilize ANSYS finite element software to optimize the analysis to traditional mechanical joint's structure, develop a novel pipe connection and connect. The joint has the advantages of corrosion resistance, high pressure resistance, multiple guarantee and leakage prevention and the like, and is particularly suitable for offshore oil platform transportation pipelines. The connection mechanism of the novel pipeline mechanical joint and a means for guaranteeing the sealing performance are designed emphatically, and analysis results show that the joint sealing method is very reliable.
The utility model discloses an ocean pipeline joint sealing device, corrugated metal pipe make the flange not influenced by the corruption of impurity and precipitate in the pipeline in order to replace the medium in the flange contact pipeline. The metal corrugated pipe has large expansion amount and good compensation effect, and can generate bending with a certain radian when receiving pressure on one side, thereby compensating and adapting to larger temperature change.
The utility model discloses a take over pipeline, sealing flange, corrugated metal pipe, colloidal medium packs, and the both ends of the bellows that the inner wall of takeover overlaps rather than the inner wall welding to reach the purpose of once sealing. The colloidal medium is filled between the inner wall of the pipeline and the outer wall of the corrugated pipe, so that the purpose of secondary sealing is achieved. The outermost end of the pipeline joint is connected by a flange, so that the purpose of sealing for three times is achieved.
The corrugated pipe seal is mainly used in the harsh occasions of inflammable, explosive and toxic working conditions, and the pipeline seal is realized through the multiple actions of the acrylic emulsion adhesive medium filler and the metal corrugated pipe, so that zero leakage between the flange and the outside is realized. The corrugated pipe flange adopts double sealing of the corrugated pipe and the acrylic emulsion glue filler, and the corrugated pipe can bear tension and compression acting force, so that the corrugated pipe is suitable for resisting mechanical influence of ocean current fluctuation on a pipeline, and the metal corrugated pipe can generate corresponding displacement under the action of pressure, transverse force or bending moment, and has the advantages of pressure resistance, corrosion resistance, stable temperature, long service life and the like. The corrugated pipe can improve the sealing performance and protect the flange from being corroded by media.
Use the utility model discloses realize ocean petroleum pipeline joint sealing method, include:
firstly, selecting two sections of submarine petroleum pipelines with standard diameters, sleeving a section of standard metal corrugated pipe (square, joint form NN) on the inner wall of the submarine petroleum pipeline, welding the two outer ends of the standard metal corrugated pipe sleeved on the inner wall with the inner wall of the submarine petroleum pipeline, filling an acrylic emulsion adhesive medium between the inner wall of the submarine petroleum pipeline and the outer wall of the metal corrugated pipe, and sealing and connecting the outermost end joints of the two sections of submarine petroleum pipelines in a flat welding convex flange connection mode. The corrugated pipe can bear tension and compression acting force, is suitable for simulating the mechanical influence of ocean current fluctuation on a pipeline, can generate corresponding displacement under the action of pressure, transverse force or bending moment, and has the advantages of pressure resistance, corrosion resistance, stable temperature, long service life and the like. The corrugated pipe can improve the sealing performance and protect the flange from being corroded by media. The filled acrylic emulsion glue has the functions of water resistance, high pressure resistance and corrosion resistance, can isolate the leakage of a medium in a pipeline for the second time, and achieves the effect of preventing the leakage of the sealing of the marine pipeline.
The specific embodiment is as follows:
as shown in fig. 1 to 3, the pipe joint comprises a first connecting pipe 1, a joint flange 2, a second connecting pipe 3, a metal corrugated pipe 4, an acrylic emulsion glue filling material 5 and a flange bolt group 6. During assembly, the first connecting pipe pipeline 1 and the second connecting pipe pipeline 3 are respectively connected with the unassembled joint flange 2, the metal corrugated pipe 4 is placed into the first connecting pipe pipeline 1 and the second connecting pipe pipeline 3, the outer walls of two sides of the metal corrugated pipe 4 are welded with the inner walls of the first connecting pipe pipeline 1 and the second connecting pipe pipeline 3 by adopting a straight pipe inner wall surfacing welding machine with corresponding diameters, acrylic emulsion glue filling materials 5 are filled between the metal corrugated pipe 4 and the first connecting pipe pipeline 1 and the second connecting pipe pipeline 3, and the joint flange 2 is assembled and fixed by using a flange bolt group 6, so that the sealing method is applied.
When the sealing device is disassembled, firstly, the flange bolt group 6 is disassembled, and the welding part at one side is melted, so that the connecting pipe I1 and the connecting pipe II 3 can be separated, and the sealing device can be successfully disassembled.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (2)
1. The marine pipeline joint sealing device is characterized by comprising a first connecting pipe pipeline and a second connecting pipe pipeline, wherein the butt joint end of the first connecting pipe pipeline and the butt joint end of the second connecting pipe pipeline are connected through a joint flange and a flange bolt group, and metal corrugated pipes contacting with media in the pipelines are arranged on the inner walls of the first connecting pipe pipeline, the second connecting pipe pipeline and the joint flange.
2. The marine pipeline joint sealing device of claim 1, wherein two ends of the metal corrugated pipe are welded to inner walls of the first connecting pipe and the second connecting pipe, and an acrylic emulsion adhesive medium is filled between the inner walls of the first connecting pipe and the second connecting pipe and the outer wall of the metal corrugated pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022663677.7U CN213629333U (en) | 2020-11-17 | 2020-11-17 | Sealing device for marine pipeline joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022663677.7U CN213629333U (en) | 2020-11-17 | 2020-11-17 | Sealing device for marine pipeline joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213629333U true CN213629333U (en) | 2021-07-06 |
Family
ID=76635131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022663677.7U Expired - Fee Related CN213629333U (en) | 2020-11-17 | 2020-11-17 | Sealing device for marine pipeline joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213629333U (en) |
-
2020
- 2020-11-17 CN CN202022663677.7U patent/CN213629333U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210706 |