Anti-corrosion pipeline protection structure

By combining the support ring vent holes and sealing plates, multiple anti-corrosion barriers are formed, increasing the soil contact area and solving the problems of easy damage and instability of anti-corrosion pipeline structures, thus achieving pipeline protection with longer service life and higher stability.

CN224414706UActive Publication Date: 2026-06-26SHANDONG LIJIN NEW MATERIAL TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG LIJIN NEW MATERIAL TECH CO LTD
Filing Date
2025-06-23
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Existing anti-corrosion pipeline structures are susceptible to mechanical wear, chemical corrosion, and ultraviolet radiation, which can damage the coating and make them unable to cope with complex corrosive environments. Furthermore, traditional foundation supports have poor stability under uneven settlement conditions, which can easily lead to pipeline subsidence, bending deformation, or breakage.

Method used

The design incorporates support ring ventilation holes to promote air circulation, a sealing plate and protective layer to form multiple anti-corrosion barriers, and a fixing ring and cross plate to increase the soil contact area and distribute the load to improve stability.

Benefits of technology

It effectively isolates corrosive media, extends pipeline life, reduces the concentration of corrosive media, enhances the stability of pipelines in soil environments, and prevents settlement and deformation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to pipeline protection structure technical field discloses a kind of anticorrosive pipeline protection structures, including protective layer, the both ends of the outer side top and bottom of protective layer are fixedly connected with fixed block, the fixed block is connected with fixed ring by installation component, the left and right ends of the fixed ring are all set with clamping slot, detachably connected with horizontal plate in the inner wall of clamping slot, the similar end of horizontal plate is all fixedly connected with limit board, the protective layer is connected with support ring by fixed component, the inner wall of support ring is fixedly connected with support plate, the inner wall of support plate is provided with pipe body, the inner wall of protective layer is all set with limit slot in front and back end. In the utility model, air circulation is promoted by support ring air hole, sealing plate and protective layer cooperate to form multiple anticorrosive barriers, compared with traditional single coating more effectively insulate corrosive medium;Meanwhile, fixed ring, horizontal plate and limit board are used to increase soil contact area, load dispersion reduces settlement, and stability is better than traditional structure.
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Description

Technical Field

[0001] This utility model relates to the field of pipeline protection structure technology, and in particular to a corrosion-resistant pipeline protection structure. Background Technology

[0002] Corrosion-resistant pipelines are special pipelines that are protected by adding protective structures (such as coatings, plating, composite protective layers, etc.) to the outside of the pipeline body, or by combining internal anti-corrosion processes, to resist the erosion of the transported medium and the external environment (such as soil corrosion, chemical corrosion, electrochemical corrosion, etc.) on the pipeline, thereby extending the service life of the pipeline and ensuring the safety of transportation. They are widely used in petroleum, chemical, natural gas, water supply and drainage and other fields.

[0003] However, in actual use, the existing anti-corrosion pipeline structure still has the following technical problems:

[0004] In terms of corrosion protection, existing pipeline structures mostly rely on a single anti-corrosion coating. Over time, this coating becomes susceptible to mechanical wear, chemical corrosion, and ultraviolet radiation, leading to damage, peeling, and aging. When the coating is damaged, corrosive media directly contact the pipeline body, accelerating the corrosion process. Furthermore, a single coating is insufficient to cope with complex corrosive environments such as high salt, strong acid, and strong alkali, failing to provide long-lasting and effective protection, resulting in a shortened pipeline lifespan and increased maintenance costs. Regarding settlement prevention, traditional pipelines primarily rely on the foundation for support. However, when encountering uneven soil settlement, groundwater level changes, or geological disasters, the foundation's stability is severely affected. Especially in soft soil foundations and backfilled soil sections, the foundation cannot withstand the pipeline's own weight and external loads, easily leading to pipeline subsidence, bending deformation, or even breakage. These situations not only affect the pipeline's normal transport function but may also cause leaks and other safety accidents, resulting in economic losses and environmental pollution.

[0005] In response to this technical problem, this application proposes a corrosion-resistant pipeline protection structure. Utility Model Content

[0006] The purpose of this invention is to address the shortcomings of existing technologies by proposing a corrosion-resistant pipeline protection structure. This structure promotes air circulation through the ventilation holes of the support ring, and the sealing plate and protective layer work together to form multiple corrosion barriers, which are more effective at isolating corrosive media than traditional single coatings. At the same time, the fixed ring, horizontal plate and limiting plate are used to increase the soil contact area, disperse the load and reduce settlement, and the stability is better than that of traditional structures.

[0007] To achieve the above objectives, the present invention provides the following technical solution:

[0008] A corrosion-resistant pipeline protection structure includes a protective layer. Fixing blocks are fixedly connected to both the top and bottom ends of the outer side of the protective layer. Each fixing block is connected to a fixing ring via an installation assembly. Each fixing ring has a slot at both its left and right ends. A horizontal plate is detachably connected to the inner wall of each slot. A limiting plate is fixedly connected to one end of each horizontal plate. A support ring is connected to the protective layer via a fixing assembly. A support plate is fixedly connected to the inner wall of the support ring. A pipe body is disposed on the inner wall of the support plate. Limiting grooves are formed at both the front and rear ends of the inner wall of the protective layer. Sealing plates are connected to the limiting grooves via limiting rings.

[0009] Furthermore, the mounting assembly includes a mounting groove and a sliding groove. The mounting groove is formed at both ends of the fixing block. The mounting block is detachably connected to the inner wall of the mounting groove. The middle of the inner wall of the mounting block is detachably connected to the outer side of the fixing ring.

[0010] Furthermore, the sliding groove is formed at both the top and bottom ends of the inner wall of the fixing ring, and the sliding groove is detachably connected to the outer side of the fixing block.

[0011] Furthermore, the fixing component includes a slot and a fixing seat. The slot is located in the middle of the inner wall of the protective layer, and the fixing seat is fixedly connected to the left and right ends of the outer wall of the support ring.

[0012] Furthermore, the support ring has multiple ventilation holes on its front side.

[0013] Furthermore, a connecting block is fixedly connected to one end of the protective layer on the side adjacent to it, and a connecting groove is provided at the other end of the protective layer on the side adjacent to it. The connecting block and the connecting groove are detachably connected.

[0014] Furthermore, a positioning rod is fixedly connected to the front side of the protective layer at the left end, and a positioning hole adapted to the positioning rod is opened on the rear side of the protective layer at the left end.

[0015] Furthermore, the limiting ring and the limiting groove are detachably connected, the limiting ring is fixedly connected to the front and rear ends of the outer wall of the sealing plate, and the outer wall of the sealing plate is in contact with the inner wall of the protective layer.

[0016] This utility model has the following beneficial effects:

[0017] 1. In this utility model, the air vent on the front side of the support ring can promote the air circulation inside the protective layer, avoid the accumulation of permeating gas and direct contact with the pipe body, and reduce the concentration of corrosive media; at the same time, the tight fit between the sealing plate and the protective layer, as well as the structure of the protective layer itself, form a multi-layer sealing and anti-corrosion barrier. Compared with traditional pipelines that rely on only a single anti-corrosion coating, it can more effectively isolate corrosive media and extend the service life of the pipeline.

[0018] 2. In this utility model, the fixing ring connected by the fixing block on the outside of the protective layer, together with the horizontal plate and the limiting plate connected by the slot, greatly increases the contact area with the soil, effectively disperses the self-weight of the pipeline and the external load, reduces the pressure per unit area of ​​the soil, significantly reduces the pipeline settlement caused by soil compression deformation, and greatly improves the stability of the pipeline in the soil environment, which is superior to the traditional pipeline structure that relies solely on foundation support. Attached Figure Description

[0019] Figure 1 This is a perspective view of a corrosion-resistant pipeline protection structure proposed in this utility model;

[0020] Figure 2 This is a schematic diagram of the fixing ring structure of an anti-corrosion pipeline protection structure proposed in this utility model;

[0021] Figure 3 This is a schematic diagram of the support ring structure of an anti-corrosion pipeline protection structure proposed in this utility model.

[0022] Legend:

[0023] 1. Protective layer; 2. Fixing block; 3. Mounting assembly; 4. Fixing ring; 5. Slot; 6. Horizontal plate; 7. Limiting plate; 8. Fixing assembly; 9. Support ring; 10. Vent hole; 11. Support plate; 12. Connecting block; 13. Connecting groove; 14. Limiting groove; 15. Limiting ring; 16. Sealing plate; 17. Positioning rod; 18. Pipe body; 301. Mounting groove; 302. Mounting block; 303. Slide groove; 801. Slot; 802. Fixing seat. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Reference Figure 1 - Figure 3An embodiment of this utility model provides: a corrosion-resistant pipe protection structure, including a protective layer 1, with fixed blocks 2 fixedly connected to both the top and bottom ends of the outer side of the protective layer 1, and fixed rings 4 connected to the fixed blocks 2 through installation components 3. The left and right ends of the fixed rings 4 are provided with slots 5, and a horizontal plate 6 is detachably connected to the inner wall of the slots 5. A limit plate 7 is fixedly connected to one end of the horizontal plate 6. The protective layer 1 is connected to a support ring 9 through a fixing component 8, and a support plate 11 is fixedly connected to the inner wall of the support ring 9. A pipe body 18 is provided on the inner wall of the support plate 11. Limit grooves 14 are provided at both the front and rear ends of the inner wall of the protective layer 1, and a sealing plate 16 is connected to the limit grooves 14 through limit rings 15.

[0026] Specifically, the fixing blocks 2 at the top and bottom ends of the outer side of the protective layer 1 are connected to the fixing rings 4. The slots 5 at the left and right ends of the fixing rings 4 are detachably connected to the horizontal plates 6. The limiting plate 7 at one end of the horizontal plate 6 can increase the contact area with the soil, disperse the weight of the pipeline and the external load to a larger area of ​​the soil, reduce the pressure per unit area, thereby effectively reducing the pipeline settlement caused by soil compression deformation and improving the stability of the overall structure in the soil environment. The support plate 11 on the inner wall of the support ring 9 is used to fix the pipe body 18. The multiple vent holes 10 opened on the front side of the support ring 9 can form an air circulation channel to prevent the gas that has penetrated into the interior of the protective layer 1 due to environmental factors from accumulating in the closed space and directly contacting the pipe body 18. The concentration of corrosive media is reduced through gas diffusion and circulation, which helps to achieve the anti-corrosion function.

[0027] Reference Figures 1-3 The mounting component 3 includes a mounting groove 301 and a sliding groove 303. The mounting groove 301 is located at both ends of the fixing block 2. The mounting block 302 is detachably connected to the inner wall of the mounting groove 301. The middle of the inner wall of the mounting block 302 is detachably connected to the outer side of the fixing ring 4. The sliding groove 303 is located at both the top and bottom ends of the inner wall of the fixing ring 4. The sliding groove 303 is detachably connected to the outer side of the fixing block 2. The fixing component 8 includes a slot 801 and a fixing seat 802. The slot 801 is located at the middle of the inner wall of the protective layer 1. The fixing seat 802 is fixedly connected to the left and right ends of the outer wall of the support ring 9. Multiple ventilation holes 10 are provided on the front side of the support ring 9; a connecting block 12 is fixedly connected to one end of the protective layer 1 on the side adjacent to it, and a connecting groove 13 is provided on the other end of the protective layer 1 on the side adjacent to it. The connecting block 12 and the connecting groove 13 are detachably connected; a positioning rod 17 is fixedly connected to the front side of the left protective layer 1, and a positioning hole adapted to the positioning rod 17 is provided on the rear side of the left protective layer 1; the limiting ring 15 is detachably connected to the limiting groove 14, and the limiting ring 15 is fixedly connected to the front and rear ends of the outer wall of the sealing plate 16. The outer wall of the sealing plate 16 is in contact with the inner wall of the protective layer 1.

[0028] Specifically, during installation, firstly, the fixing seat 802 of the support ring 9 is aligned with the slot 801 opened on the inner wall of the protective layer 1 for installation, so that the support ring 9 is stably connected to the protective layer 1. At the same time, the two adjacent protective layers 1 are initially aligned and positioned by inserting the positioning rod 17 on the front side of the left protective layer 1 into the positioning hole on the rear side. Next, the limiting rings 15 at both ends of the outer wall of the sealing plate 16 are engaged with the limiting grooves 14 at the front and rear ends of the inner wall of the protective layer 1, so that the sealing plate 16 is tightly attached to the inner wall of the protective layer 1, forming a seal for the internal space of the protective layer 1. Then, the connecting blocks 12 of the two protective layers 1 are detachably connected to the connecting grooves 13 to complete the splicing of the two protective layers 1, forming a complete outer tube protective layer. 1. Structure; then, the fixing ring 4 is installed on the outside of the fixing blocks 2 at both ends of the protective layer 1 through the sliding grooves 303 at both ends of the inner wall of the fixing ring 4; then, the mounting block 302 is inserted into the mounting grooves 301 at both ends of the fixing block 2 to limit the fixing ring 4, and is fixed with bolts to ensure that the fixing ring 4 is firmly connected to the protective layer 1; finally, the horizontal plate 6 is inserted into the slot 5 of the fixing ring 4 and fixed, and the limiting plate 7 is connected to the front and rear sides of the fixing ring 4 with bolts, so that the horizontal plate 6 is stably supported in the soil, and the anti-settlement function is achieved by increasing the contact area. At the same time, the installation of the entire anti-corrosion pipeline protection structure is completed, forming a comprehensive protection system integrating anti-settlement, anti-corrosion, support and sealing.

[0029] Working principle: In use, first insert the fixing seat 802 of the support ring 9 into the slot 801 on the inner wall of the protective layer 1. At the same time, use the positioning rod 17 and the positioning hole to initially connect the adjacent protective layers 1. Then, insert the limiting ring 15 of the sealing plate 16 into the limiting groove 14 of the protective layer 1 to seal the internal space. Then, splice the two protective layers 1 together through the connecting block 12 and the connecting groove 13 to form the outer pipe protective layer 1. Then, put the sliding groove 303 on the inner wall of the fixing ring 4 onto the outside of the fixing block 2 of the protective layer 1, insert the installation block 302 into the installation groove 301 of the fixing block 2 and fix it with bolts to make the fixing ring 4 and the protective layer 1 firmly connected. Finally, insert the horizontal plate 6 into the slot 5 of the fixing ring 4 and fix the limiting plate 7 to the fixing ring 4 with bolts. The horizontal plate 6 increases the contact area with the soil to prevent settlement. The support plate 11 of the support ring 9 fixes the pipe body 18, and its vent 10 reduces the concentration of corrosive media. Together, they achieve the anti-settlement and anti-corrosion protection of the pipe body 18.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A corrosion protection pipe protection structure, characterized in that, The protective layer (1) is provided with a fixed block (2) fixedly connected to both the top and bottom ends of the outer side of the protective layer (1). The fixed block (2) is connected to a fixed ring (4) through an installation component (3). The fixed ring (4) has a slot (5) on both the left and right ends. A horizontal plate (6) is detachably connected to the inner wall of the slot (5). A limit plate (7) is fixedly connected to one end of the horizontal plate (6). The protective layer (1) is connected to a support ring (9) through a fixed component (8). A support plate (11) is fixedly connected to the inner wall of the support ring (9). A tube (18) is provided on the inner wall of the support plate (11). Limit grooves (14) are opened at both the front and rear ends of the inner wall of the protective layer (1). A sealing plate (16) is connected to the limit groove (14) through a limit ring (15).

2. A corrosion protection pipe construction according to claim 1, c h a r a c t e r i s e d in that The mounting component (3) includes a mounting groove (301) and a sliding groove (303). The mounting groove (301) is opened at both ends of the fixing block (2). The mounting block (302) is detachably connected to the inner wall of the mounting groove (301). The middle of the inner wall of the mounting block (302) is detachably connected to the outer side of the fixing ring (4).

3. A corrosion protection pipe construction according to claim 2, c h a r a c t e r i s e d in that: The groove (303) is formed at both the top and bottom ends of the inner wall of the fixing ring (4), and the groove (303) is detachably connected to the outer side of the fixing block (2).

4. A corrosion protection pipe construction according to claim 1, c h a r a c t e r i s e d in that The fixing component (8) includes a slot (801) and a fixing seat (802). The slot (801) is located in the middle of the inner wall of the protective layer (1), and the fixing seat (802) is fixedly connected to the left and right ends of the outer wall of the support ring (9).

5. The anti-corrosion pipeline protection structure according to claim 1, characterized in that: The support ring (9) has multiple ventilation holes (10) on its front side.

6. A corrosion control pipe protection arrangement according to claim 1, characterized in that: A connecting block (12) is fixedly connected to one end of the protective layer (1) on the side adjacent to it, and a connecting groove (13) is provided at the other end of the protective layer (1) on the side adjacent to it. The connecting block (12) and the connecting groove (13) are detachably connected.

7. A corrosion control pipe protection arrangement according to claim 1, characterized in that: A positioning rod (17) is fixedly connected to the front side of the protective layer (1) at the left end, and a positioning hole adapted to the positioning rod (17) is opened on the rear side of the protective layer (1) at the left end.

8. A corrosion control pipe protection arrangement according to claim 1, characterized in that: The limiting ring (15) is detachably connected to the limiting groove (14). The limiting ring (15) is fixedly connected to the front and rear ends of the outer wall of the sealing plate (16). The outer wall of the sealing plate (16) is in contact with the inner wall of the protective layer (1).