CN217422449U - A anticorrosive device for submarine pipeline - Google Patents
A anticorrosive device for submarine pipeline Download PDFInfo
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- CN217422449U CN217422449U CN202220455037.3U CN202220455037U CN217422449U CN 217422449 U CN217422449 U CN 217422449U CN 202220455037 U CN202220455037 U CN 202220455037U CN 217422449 U CN217422449 U CN 217422449U
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- subsea pipelines
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Abstract
The utility model discloses an anticorrosive device for submarine pipeline belongs to marine pipeline technical field, this anticorrosive device for submarine pipeline, including transmission pipeline, transmission pipeline is used for transmitting raw materials, protection pipeline has been cup jointed to transmission pipeline's outside, protection pipeline is non-metallic material, transmission pipeline with be provided with the carbon fiber layer between the protection pipeline, the carbon fiber layer cover is made transmission pipeline's surface, the outside on carbon fiber layer is hugged closely protection pipeline's inboard. Through setting up the protection pipeline, place the transmission pipeline and protect in the inside of protection pipeline, set up the protection pipeline simultaneously and be non-metallic material, prevent to be corroded by the sea water, increase the carbon fiber layer simultaneously, increase the intensity of protection pipeline itself, improve the holding power.
Description
Technical Field
The utility model belongs to the technical field of the marine pipeline, concretely relates to an anticorrosive device for submarine pipeline.
Background
The submarine pipeline is a pipeline for continuously conveying a large amount of oil (gas) on the seabed through a closed pipeline, is a main component part of an offshore oil (gas) field development and production system, and is also a fastest, safest, most economical and reliable offshore oil and gas transportation mode. To ensure that the subsea pipeline can operate safely during the designed lifetime, the pipeline system should be sufficiently protected against corrosion inside and outside caused by the transport medium and seawater.
The environment of the sea bottom varies, firstly, the sea water in the sea bottom is corroded, the sea water is an aqueous solution with a plurality of components, a plurality of inorganic salts are dissolved, and the average salinity is about 35, so that the sea water becomes a natural strong electrolyte and has the characteristic of electric conduction. The metal material in the ocean can cause the damage or the deterioration of the material when the metal material is in chemical or electrochemical interaction with an environmental medium, the metal corrosion phenomenon occurs, and then because the pipeline is positioned at the seabed, the seawater pressure at the seabed has strong extrusion force on the surface of the pipeline, and the long-time extrusion can also cause certain influence on the surface of the pipeline.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an anticorrosive device for submarine pipeline to propose the current anticorrosive device for submarine pipeline in solving above-mentioned background art in the use, because seabed pressure is great, the sea water has very strong corrosive capacity, thereby leads to the pipeline to take place the problem of damage.
In order to achieve the above object, the utility model provides a following technical scheme: an anti-corrosion device for a submarine pipeline comprises a transmission pipeline, wherein the transmission pipeline is used for transmitting raw materials, a protective pipeline is sleeved outside the transmission pipeline and is made of non-metal materials, a carbon fiber layer is arranged between the transmission pipeline and the protective pipeline, the surface of the transmission pipeline is sleeved with the carbon fiber layer, and the outer side of the carbon fiber layer is tightly attached to the inner side of the protective pipeline.
Preferably, the carbon fiber layer comprises a supporting structure and a connecting device, the supporting structure is mounted on the surface of the connecting device, the supporting structure is used for supporting the protective pipeline, and the connecting device is matched with the surface of the transmission pipeline.
Preferably, the carbon fiber layer is openable, a connecting structure is installed at a joint, and the connecting structure is used for forming the carbon fiber layer into a closed pipeline.
Preferably, the connecting structure comprises a connecting groove and a connecting rod, the connecting rod is inserted in the connecting groove, a clamping groove is formed in the connecting groove, a clamping block is arranged on the surface of the connecting rod, and the clamping block is clamped in the clamping groove.
Preferably, the clamping groove and the contact surface of the clamping block have a certain included angle.
Preferably, the inner side of the carbon fiber layer is provided with a fiber protrusion, a groove is formed in the transmission pipeline, and the fiber protrusion is clamped in the groove.
Preferably, the number of the fiber protrusions is provided with a plurality of fiber protrusions, the number of the fiber protrusions is the same as that of the grooves, and the fiber protrusions are annularly arrayed on the inner side of the carbon fiber layer.
Preferably, the surface of the transmission pipeline is provided with a positioning rod, the inner side of the carbon fiber layer is provided with a positioning groove, and the positioning rod is arranged inside the positioning groove.
Preferably, the end of the positioning rod is in a tip shape, and the shape of the positioning groove is matched with that of the positioning rod.
Preferably, the conveying pipeline is made of a metal material or a plastic material.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through setting up the protection pipeline, place transmission pipeline in the inside of protection pipeline and protect, set up the protection pipeline simultaneously and be non-metallic material, prevent to be corroded by the sea water, increase the carbon fiber layer simultaneously, increase the intensity of protection pipeline itself, improve the holding power.
2. Through setting up connection structure and detached carbon fiber layer, become a inclosed whole with connection structure with carbon fiber layer connection, make its strong and homodisperse to protection tube's holding power, can use longer time.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of the connection structure of the present invention;
fig. 3 is an enlarged schematic structural view of a portion a of fig. 2 according to the present invention;
fig. 4 is an enlarged schematic structural diagram of the position B of fig. 3 according to the present invention.
In the figure: 1. a transmission pipeline; 2. protecting the pipeline; 3. a carbon fiber layer; 31. a support structure; 32. a connecting structure; 321. connecting grooves; 322. a connecting rod; 323. a card slot; 324. a clamping block; 33. a connecting device; 4. fiber protrusions; 5. a groove; 6. positioning a rod; 7. and (6) positioning a groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an anti-corrosion device for a submarine pipeline comprises a transmission pipeline 1, wherein the transmission pipeline 1 is used for transmitting raw materials, a protective pipeline 2 is sleeved outside the transmission pipeline 1, the protective pipeline 2 is made of non-metal materials, a carbon fiber layer 3 is arranged between the transmission pipeline 1 and the protective pipeline 2, the surface of the transmission pipeline 1 is sleeved with the carbon fiber layer 3, and the outer side of the carbon fiber layer 3 is tightly attached to the inner side of the protective pipeline 2.
In this embodiment, through setting up protection pipeline 2, place transmission pipeline 1 in protection pipeline 2's inside and protect, set up protection pipeline 2 simultaneously and be non-metallic material, prevent to be corroded by the sea water, increase carbon fiber layer 3 simultaneously, increase the intensity of protection pipeline 2 itself, improve the holding power.
Specifically, the carbon fiber layer 3 includes a supporting structure 31 and a connecting device 33, the supporting structure 31 is installed on a surface of the connecting device 33, the supporting structure 31 is used for supporting the protection pipe 2, and the connecting device 33 is matched with a surface of the transmission pipe 1.
In this embodiment, the connecting device 33 is installed on the surface of the transmission pipeline 1, the supporting structure 31 is then used to support the protection pipeline 2, and the connecting device 33 entirely covers the surface of the transmission pipeline 1, so as to reduce the pressure generated on the transmission pipeline 1.
Specifically, the carbon fiber layers 3 are openable, a connecting structure 32 is installed at a joint, and the connecting structure 32 is used for forming a closed pipeline by the carbon fiber layers 3.
In this embodiment, the carbon fiber layers 3 are convenient to mount, and the connection structure 32 is used to fix the connection positions of the carbon fiber layers 3.
Specifically, the connecting structure 32 includes a connecting groove 321 and a connecting rod 322, the connecting rod 322 is inserted into the connecting groove 321, a clamping groove 323 is formed in the connecting groove 321, a clamping block 324 is mounted on the surface of the connecting rod 322, and the clamping block 324 is clamped in the clamping groove 323.
In this embodiment, the connecting rod 322 is inserted into the connecting groove 321, and the clamping block 324 is clamped inside the clamping groove 323, and the clamping block 324 itself has elasticity, so as to be conveniently clamped inside the clamping groove 323.
Specifically, the contact surfaces of the clamping groove 323 and the clamping block 324 form a certain included angle.
In this embodiment, the connection rod 322 is easily taken out from the inside of the connection groove 321, and the carbon fiber layer 3 is replaced.
Specifically, a fiber protrusion 4 is installed on the inner side of the carbon fiber layer 3, a groove 5 is formed in the transmission pipeline 1, and the fiber protrusion 4 is clamped in the groove 5.
In this embodiment, utilize protruding 4 cards of fibre to fix a position in the inside of recess 5, prevent that carbon fiber layer 3's installation from producing the rotation, influence the resistance to compression effect of whole device.
Specifically, the number of the fiber protrusions 4 is provided with a plurality of the same number corresponding to the number of the grooves 5, and the fiber protrusions 4 are annularly arrayed on the inner side of the carbon fiber layer 3.
In this embodiment, the friction between the carbon fiber layer 3 and the transport pipe 1 can be increased, and the occurrence of slip can be further prevented.
Specifically, the surface of the transmission pipeline 1 is provided with a positioning rod 6, the inner side of the carbon fiber layer 3 is provided with a positioning groove 7, and the positioning rod 6 is installed inside the positioning groove 7.
In this embodiment, locating lever 6 makes carbon fiber layer 3 install in fixed position, avoids producing the skew between fibre arch 4 and the recess 5, reduces the risk of misloading.
Specifically, the end of the positioning rod 6 is in a tip shape, and the positioning groove 7 is matched with the positioning rod in shape.
In this embodiment, be convenient for with locating lever 6 card in the inside of constant head tank 7.
Specifically, the conveying pipeline 1 is made of a metal material or a plastic material.
In this embodiment, the transport pipes 1 of different materials are selected according to the different materials to be transported.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An anti-corrosion device for a submarine pipeline, characterized in that: the device comprises a conveying pipeline (1), wherein the conveying pipeline (1) is used for conveying raw materials, a protective pipeline (2) is sleeved outside the conveying pipeline (1), the protective pipeline (2) is made of non-metal materials, a carbon fiber layer (3) is arranged between the conveying pipeline (1) and the protective pipeline (2), the carbon fiber layer (3) is sleeved on the surface of the conveying pipeline (1), and the outer side of the carbon fiber layer (3) is tightly attached to the inner side of the protective pipeline (2).
2. An anticorrosion device for subsea pipelines according to claim 1, wherein: the carbon fiber layer (3) comprises a supporting structure (31) and a connecting device (33), the supporting structure (31) is installed on the surface of the connecting device (33), the supporting structure (31) is used for supporting the protective pipeline (2), and the connecting device (33) is matched with the surface of the transmission pipeline (1).
3. The corrosion protection device for subsea pipelines according to claim 1, wherein: the carbon fiber layer (3) is arranged to be openable, a connecting structure (32) is installed at a joint, and the connecting structure (32) is used for enabling the carbon fiber layer (3) to form a closed pipeline.
4. A corrosion prevention device for subsea pipelines according to claim 3, wherein: the connecting structure (32) comprises a connecting groove (321) and a connecting rod (322), the connecting rod (322) is inserted in the connecting groove (321), a clamping groove (323) is formed in the connecting groove (321), a clamping block (324) is mounted on the surface of the connecting rod (322), and the clamping block (324) is clamped in the clamping groove (323).
5. An apparatus according to claim 4, wherein the apparatus further comprises: the clamping groove (323) and the clamping block (324) are in contact with each other at a certain included angle.
6. An anticorrosion device for subsea pipelines according to claim 1, wherein: the inner side of the carbon fiber layer (3) is provided with a fiber bulge (4), a groove (5) is formed in the transmission pipeline (1), and the fiber bulge (4) is clamped in the groove (5).
7. An apparatus for corrosion protection of subsea pipelines according to claim 6, wherein: the number of the fiber protrusions (4) is multiple, the number of the fiber protrusions is the same as that of the grooves (5), and the fiber protrusions (4) are annularly arrayed on the inner side of the carbon fiber layer (3).
8. An anticorrosion device for subsea pipelines according to claim 1, wherein: the surface of the transmission pipeline (1) is provided with a positioning rod (6), the inner side of the carbon fiber layer (3) is provided with a positioning groove (7), and the positioning rod (6) is installed inside the positioning groove (7).
9. An apparatus for corrosion protection of subsea pipelines according to claim 8, wherein: the end part of the positioning rod (6) is in a tip shape, and the shape of the positioning groove (7) is matched with that of the positioning rod.
10. An anticorrosion device for subsea pipelines according to claim 1, wherein: the conveying pipeline (1) is made of metal materials or plastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220455037.3U CN217422449U (en) | 2022-03-03 | 2022-03-03 | A anticorrosive device for submarine pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220455037.3U CN217422449U (en) | 2022-03-03 | 2022-03-03 | A anticorrosive device for submarine pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217422449U true CN217422449U (en) | 2022-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220455037.3U Active CN217422449U (en) | 2022-03-03 | 2022-03-03 | A anticorrosive device for submarine pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217422449U (en) |
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2022
- 2022-03-03 CN CN202220455037.3U patent/CN217422449U/en active Active
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