Anti-corrosion device for main pipeline of seawater pipeline

Abstract

The utility model relates to the technical field of pipeline corrosion prevention, and discloses a seawater pipeline main pipeline anti-corrosion device which comprises a pipeline. The anti-corrosion coating is fixedly connected to the inner surface of the pipeline; the anti-corrosion plate is fixedly connected to the outer surface of the pipeline; the mounting assembly is fixedly connected to the outer wall of the pipeline. According to the seawater pipeline main pipeline anti-corrosion device, two pipeline mounting grooves are sleeved with sealing rings, sealing treatment is conducted on the pipeline connecting positions, synchronous protection plates are tightly attached to the connecting positions of anti-corrosion plates, connecting screws are rotated to drive abutting rods to rotate in extending grooves to abut against the inner ends of T-shaped rods, and the T-shaped rods are stressed to slide out of movable grooves and are inserted into inserting grooves; meanwhile, the protection plate is convenient to mount and dismount; the left positioning ring and the right positioning ring are connected to the outer walls of the anti-corrosion plates on the two sides correspondingly, so that the outer embedded blocks are inserted into the inner embedded grooves, the left sealing plate and the right sealing plate are fixed to conduct sealing protection on the joint of the two protection plates, the sealing performance is improved, and seawater infiltration is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline anti-corrosion, in particular to a main pipeline anti-corrosion device for a seawater pipeline. Background Art

[0002] As we all know, seawater is highly corrosive to steel. As the main artery of offshore oil and gas transportation, seawater pipelines play an increasingly important role in the development of offshore oil and gas fields due to their advantages of economy, safety, energy saving and speed. However, as seawater pipelines need to be exposed to seawater for a long time, they are easily corroded by seawater, and corrosion defects penetrate the pipe wall or cause cracks in the pipe wall.

[0003] In order to protect the pipeline, an anti-corrosion layer can be set to extend the service life of the pipeline and ensure the safe operation of the pipeline. However, the anti-corrosion layer will be worn out after long-term use, reducing the anti-corrosion effect and need to be repaired or replaced. For this reason, we provide a seawater pipeline main line anti-corrosion device. Utility Model Content

[0004] The utility model aims to provide a seawater pipeline main line anti-corrosion device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a seawater pipeline main line anti-corrosion device, comprising: a pipeline;

[0006] an anti-corrosion coating fixedly connected to the inner surface of the pipeline;

[0007] An anti-corrosion plate sleeved on the outer surface of the pipeline;

[0008] And a mounting assembly fixedly connected to the outer wall of the pipeline; the mounting assembly includes a positioning portion fixedly connected to the outer wall of the pipeline, and the positioning portion is connected to the mounting portion.

[0009] Preferably, the positioning portion includes a left positioning ring and a right positioning ring fixedly connected to the outer wall of the anti-corrosion plate, the right side of the left positioning ring is fixedly connected to a left sealing plate, the left side of the right positioning ring is fixedly connected to a right sealing plate, the right side of the left sealing plate is fixedly connected to an external embedded block, the left side of the right sealing plate is provided with an internal embedded groove, and the external embedded block is clamped in the inner surface of the internal embedded groove.

[0010] Preferably, the mounting portion includes a mounting groove provided on the outer wall of the inner end of the pipe, a sealing ring is sleeved on the outer surface of the mounting groove, a protective plate is fixedly connected to the outer surface of the sealing ring, a movable groove is provided on the side of the protective plate, a T-shaped rod penetrates the inner surface of the movable groove, an extension groove is provided on the inner side of the movable groove, a connecting block is provided on the top of the protective plate, a connecting screw penetrates the top of the connecting block, the bottom end of the connecting screw extends to the inner surface of the movable groove, a push rod is fixedly connected to the side of the connecting screw, and the outer end of the T-shaped rod is inserted into a slot provided on the side of the right positioning ring.

[0011] Preferably, the shapes of the left sealing plate and the right sealing plate are both set to be arc-shaped, so as to increase the fit and improve the sealing degree.

[0012] Preferably, the number of the protective plates is set to two, the connection between the two protective plates corresponds to the positions of the left sealing plate and the right sealing plate, and the connection is sealed by using the left sealing plate and the right sealing plate.

[0013] Preferably, the outer wall of the connecting screw and the top of the connecting block are arranged to be threadedly connected, so as to facilitate the rotation of the connecting screw connecting rod.

[0014] Preferably, the outer end of the push rod is arranged to abut against the inner end of the T-shaped rod, and the push rod squeezes the T-shaped rod so that the outer end of the T-shaped rod moves out of the movable groove and is inserted into the slot.

[0015] Preferably, the number of the slots is set to four, and the four slots are divided into a group of two. The slots in each group are symmetrically opened on the sides of the left positioning ring and the right positioning ring, and the protective plate is fixedly installed by inserting the T-rod into the slot.

[0016] Compared with the prior art, the utility model provides a seawater pipeline main line anti-corrosion device, which has the following beneficial effects:

[0017] 1. The utility model anti-corrosion device for the main pipeline of seawater pipeline has a sealing ring sleeve arranged outside the installation groove, and another pipe sleeve is arranged inside the sealing ring to seal the pipe connection. The synchronous protective plate is tightly fitted at the connection of the anti-corrosion plate. The connecting screw is rotated to drive the abutment rod to rotate in the extension groove and abut against the inner end of the T-bar. The T-bar is forced to slide outside the movable groove and plugged into the slot to fix the protective plate, and it is convenient for installation and disassembly.

[0018] 2. The utility model anti-corrosion device for the main line of seawater pipeline, the left positioning ring and the right positioning ring are respectively connected to the outer walls of the anti-corrosion plates on both sides, and the outer embedded block is inserted into the inner embedded groove, so that the left sealing plate and the right sealing plate are fixedly connected to perform sealing protection treatment on the connection between the two protective plates, thereby improving the sealing performance and preventing seawater from infiltrating. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the cutaway structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the positioning part structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the installation part of the utility model;

[0023] Figure 5 For this utility model Figure 4 Enlarged structural diagram of pipeline corrosion protection.

[0024] In the figure: 1. pipeline; 2. anti-corrosion coating; 3. anti-corrosion plate; 4. installation assembly; 41. positioning part; 411. left positioning ring; 412. left sealing plate; 413. external embedded block; 414. right sealing plate; 415. internal embedded groove; 416. right positioning ring; 42. installation part; 421. installation groove; 422. sealing ring; 423. protective plate; 424. movable groove; 425. connecting block; 426. connecting screw; 427. push rod; 428. T-bar; 429. slot; 420. extension groove. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Example 1

[0028] The utility model provides a seawater pipeline main line anti-corrosion device, such as Figures 1 to 5 As shown: A seawater pipeline main line anti-corrosion device, comprising: a pipeline 1;

[0029] An anti-corrosion coating 2 fixedly connected to the inner surface of the pipeline 1;

[0030] An anti-corrosion plate 3 sleeved on the outer surface of the pipeline 1;

[0031] And a mounting assembly 4 fixedly connected to the outer wall of the pipeline 1; the mounting assembly 4 includes a positioning portion 41 fixedly connected to the outer wall of the pipeline 1, and the positioning portion 41 is connected to a mounting portion 42.

[0032] The positioning portion 41 includes a left positioning ring 411 and a right positioning ring 416 fixedly connected to the outer wall of the anti-corrosion plate 3, the right side of the left positioning ring 411 is fixedly connected to the left sealing plate 412, the left side of the right positioning ring 416 is fixedly connected to the right sealing plate 414, the right side of the left sealing plate 412 is fixedly connected to the outer embedded block 413, the left side of the right sealing plate 414 is provided with an inner embedded groove 415, and the outer embedded block 413 is clamped on the inner surface of the inner embedded groove 415.

[0033] In this embodiment, the shapes of the left sealing plate 412 and the right sealing plate 414 are both set to be arc-shaped, which increases the fit and improves the sealing.

[0034] Example 2

[0035] On the basis of Example 1, the anti-corrosion device for the main pipeline of a seawater pipeline provided by the utility model is as follows: Figures 1 to 5 As shown: the mounting portion 42 includes a mounting groove 421 provided on the outer wall of the inner end of the pipe 1, a sealing ring 422 is sleeved on the outer surface of the mounting groove 421, a protective plate 423 is fixedly connected to the outer surface of the sealing ring 422, a movable groove 424 is provided on the side of the protective plate 423, a T-shaped rod 428 penetrates the inner surface of the movable groove 424, an extension groove 420 is provided on the inner side of the movable groove 424, a connecting block 425 is provided on the top of the protective plate 423, a connecting screw 426 penetrates the top of the connecting block 425, the bottom end of the connecting screw 426 extends to the inner surface of the movable groove 424, a push rod 427 is fixedly connected to the side of the connecting screw 426, and the outer end of the T-shaped rod 428 is inserted into a slot 429 provided on the side of the right positioning ring 416.

[0036] In this embodiment, the number of protective plates 423 is set to two, and the connection between the two protective plates 423 corresponds to the position of the left sealing plate 412 and the right sealing plate 414, and the left sealing plate 412 and the right sealing plate 414 are used to seal the connection.

[0037] Furthermore, the outer wall of the connecting screw 426 and the top of the connecting block 425 are configured to be threadedly connected, so as to facilitate the rotation of the connecting screw 426 and the connecting rod 428.

[0038] Furthermore, the outer end of the push rod 427 is disposed to abut against the inner end of the T-shaped rod 428 , and the push rod 427 squeezes the T-shaped rod 428 so that the outer end of the T-shaped rod 428 moves to the outside of the movable groove 424 and is inserted into the slot 429 .

[0039] Furthermore, the number of slots 429 is set to four, and the four slots 429 are divided into a group of two. Each group of slots 429 is symmetrically opened on the sides of the left positioning ring 411 and the right positioning ring 416, and the protective plate 423 is fixedly installed by inserting the T-rod 428 into the slot 429.

[0040] In actual operation, when this device is used, the left positioning ring 411 and the right positioning ring 416 are respectively connected to the outer walls of the anti-corrosion plates 3 on both sides, and the sealing ring 422 is sleeved in the installation groove 421 to seal the connection of the pipeline 1. At the same time, the protective plate 423 is tightly fitted at the connection of the anti-corrosion plate 3, and the connecting screw 426 is rotated to drive the abutment rod 427 to rotate in the extension groove 420, and abut against the inner ends of the T-bars 428 on both sides. The T-bars 428 are forced to slide outward from the movable groove 424 and are inserted into the slots 429 to fix the protective plates 423. The outer embedded block 413 is inserted into the inner embedded groove 415 to fix the left sealing plate 412 and the right sealing plate 414. The connection between the two protective plates 423 is sealed and protected.

[0041] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A seawater pipeline main line anti-corrosion device, comprising: Pipeline (1); an anti-corrosion coating (2) fixedly connected to the inner surface of the pipeline (1); An anti-corrosion plate (3) sleeved on the outer surface of the pipeline (1); and a mounting assembly (4) fixedly connected to the outer wall of the pipeline (1); characterized in that the mounting assembly (4) comprises a positioning portion (41) fixedly connected to the outer wall of the pipeline (1), and the positioning portion (41) is connected to a mounting portion (42).

2. The anti-corrosion device for the main pipeline of a seawater pipeline according to claim 1, characterized in that: The positioning portion (41) comprises a left positioning ring (411) and a right positioning ring (416) fixedly connected to the outer wall of the anti-corrosion plate (3); the right side of the left positioning ring (411) is fixedly connected to a left sealing plate (412); the left side of the right positioning ring (416) is fixedly connected to a right sealing plate (414); the right side of the left sealing plate (412) is fixedly connected to an external embedded block (413); the left side of the right sealing plate (414) is provided with an internal embedded groove (415); and the external embedded block (413) is snapped onto the inner surface of the internal embedded groove (415).

3. The anti-corrosion device for the main pipeline of a seawater pipeline according to claim 1, characterized in that: The mounting portion (42) comprises a mounting groove (421) formed on the outer wall of the inner end of the pipe (1); a sealing ring (422) is sleeved on the outer surface of the mounting groove (421); a protective plate (423) is fixedly connected to the outer surface of the sealing ring (422); a movable groove (424) is formed on the side surface of the protective plate (423); a T-shaped rod (428) penetrates the inner surface of the movable groove (424); an extension groove is formed on the inner side of the movable groove (424) (420), a connecting block (425) is connected to the top of the protective plate (423), a connecting screw (426) passes through the top of the connecting block (425), the bottom end of the connecting screw (426) extends to the inner surface of the movable groove (424), the side of the connecting screw (426) is fixedly connected with a support rod (427), and the outer end of the T-shaped rod (428) is inserted into a slot (429) opened on the side of the right positioning ring (416).

4. The anti-corrosion device for the main pipeline of a seawater pipeline according to claim 2, characterized in that: The left sealing plate (412) and the right sealing plate (414) are both arranged to be arc-shaped.

5. The anti-corrosion device for the main pipeline of a seawater pipeline according to claim 3, characterized in that: The number of the protective plates (423) is set to two, and the connection between the two protective plates (423) corresponds to the position of the left sealing plate (412) and the right sealing plate (414).

6. The anti-corrosion device for the main pipeline of a seawater pipeline according to claim 3, characterized in that: The outer wall of the connecting screw (426) is arranged to be threadedly connected to the top of the connecting block (425).

7. The anti-corrosion device for the main pipeline of a seawater pipeline according to claim 3, characterized in that: The outer end of the abutment rod (427) is disposed in abutment with the inner end of the T-shaped rod (428).

8. The anti-corrosion device for the main pipeline of a seawater pipeline according to claim 3, characterized in that: The number of the slots (429) is set to four, and the four slots (429) are divided into a group of two, and each group of slots (429) is symmetrically opened on the side of the left positioning ring (411) and the side of the right positioning ring (416).

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