Reinforced high-strength anti-corrosion pipeline
By setting up a multi-layer structure on the outside of the anti-corrosion pipeline, including an inner anti-corrosion layer, an inner support sleeve, and a corrugated support sleeve, and filling it with elastic particles, the problem of damage to the anti-corrosion layer under external impact is solved, achieving high strength and corrosion resistance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-09
- Publication Date
- 2026-03-17
AI Technical Summary
Existing anti-corrosion pipelines are susceptible to external impacts during handling and use, which can damage the anti-corrosion layer and render it ineffective in preventing corrosion.
A reinforced high-strength corrosion-resistant pipe was designed. It enhances the impact resistance by setting an inner anti-corrosion layer, an inner support sleeve, reinforcing ribs, a corrugated support pipe, and an outer support sleeve on the outside of the pipe and filling it with elastic particles to form a multi-layer structure.
It improves the impact resistance and overall strength of the pipeline, reduces the impact of external impacts on the internal pipeline, and enhances the corrosion resistance.
Smart Images

Figure CN224003398U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of pipeline technology, specifically relating to a reinforced, high-strength, corrosion-resistant pipeline. Background Technology
[0002] Corrosion-resistant pipelines refer to pipelines processed using chemical or physical protective techniques. By covering them with anti-corrosion layers and using corrosion-resistant materials, they prevent corrosion caused by chemical reactions, electrochemical effects, or microbial activities during transportation or use.
[0003] For example, steel pipes are coated with materials such as polyethylene (PE) or epoxy powder (FBE) to form a composite protective layer. Corrosion-resistant pipes are typically used to transport corrosive media, such as oil, natural gas, or sewage. Corrosion-resistant pipes are susceptible to external impacts during handling, installation, and use. If the anti-corrosion layer lacks impact resistance, it may be damaged, leading to corrosion.
[0004] Therefore, it is necessary to design a reinforced high-strength anti-corrosion pipe that can improve its impact resistance and provide some protection for the anti-corrosion coating to solve the current technical problems. Utility Model Content
[0005] In view of the shortcomings of the existing technology, this utility model provides a reinforced high-strength anti-corrosion pipe that improves its impact resistance and provides a certain degree of protection for the anti-corrosion coating.
[0006] The technical solution of this utility model is as follows: a reinforced high-strength anti-corrosion pipe, characterized in that: it includes a pipe body, an inner anti-corrosion layer is provided on the outer side of the pipe body, an inner support sleeve is fitted on the outer side of the inner anti-corrosion layer, reinforcing ribs are arranged in a circumferential array on the outer side of the inner support sleeve parallel to the axial direction of the pipe body, a corrugated support pipe is arranged around the outer side of the inner support sleeve, and an outer support sleeve is fitted on the outer side of the corrugated support pipe; the corrugated support pipe has alternating peaks and troughs, the reinforcing ribs are arranged on the outer side of the inner support sleeve corresponding to the peaks, and a buffer pipe is arranged on the side of the trough near the outer support sleeve.
[0007] Furthermore, an inner support column is provided inside the buffer tube along its axial direction, and buffer arc plates are arranged in a circular array on the outer side of the inner support column. The end of the buffer arc plate opposite to the inner support column is fixedly connected to the inside of the buffer tube.
[0008] Furthermore, elastic particles are filled between the crest and the inner support sleeve, and between the trough and the outer support sleeve.
[0009] Furthermore, the elastic particles are ETPU elastic particles.
[0010] Furthermore, the inner anti-corrosion layer is a PVC pipe fitted on the outside of the main pipe body, and the inner support sleeve is a steel pipe fitted on the outside of the inner anti-corrosion layer.
[0011] Furthermore, the reinforcing ribs are steel bars welded and fixed to the outside of the inner support sleeve.
[0012] Furthermore, the outer support sleeve is a steel pipe, and an external anti-corrosion coating is provided on the outer side of the outer support sleeve.
[0013] Furthermore, the corrugated support tube is made of spring steel, and the crests and troughs of the corrugated support tube are alternately distributed circumferentially on the outside of the inner support sleeve.
[0014] The beneficial effects of this utility model are:
[0015] (1) In this utility model, the inner anti-corrosion layer is used to improve the anti-corrosion effect on the outside of the main body of the pipeline, and the inner support sleeve and the outer support sleeve on the outside of the inner anti-corrosion layer improve the strength of the pipeline.
[0016] (2) The outer side of the inner support sleeve is arranged in a circumferential array with reinforcing ribs parallel to the axial direction of the main body of the pipe. The reinforcing ribs improve the bending resistance of the pipe and further enhance the overall strength of the pipe.
[0017] (3) A corrugated support pipe is installed between the inner support sleeve and the outer support sleeve. When the pipeline is subjected to external impact, the corrugated support pipe will undergo elastic deformation to absorb the external impact energy through elastic deformation, thereby reducing the impact on the main body of the internal pipeline.
[0018] (4) When the corrugated support pipe deforms, the buffer pipe will also deform itself, further absorbing the external impact energy and reducing the impact on the internal pipe body. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 1 .
[0020] Figure 2 This is a schematic diagram of the structure of the present invention. Figure 2 .
[0021] Figure 3 for Figure 2 A magnified view of a portion of point A in the middle.
[0022] Figure 4 This is a schematic diagram of the buffer tube in this utility model. Detailed Implementation
[0023] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The descriptions of the exemplary embodiments are merely illustrative and are not intended to limit the present invention or its application or use in any way. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are provided to make the present invention thorough and complete, and to fully express the scope of the present invention to those skilled in the art. It should be noted that, unless otherwise specifically stated, the relative arrangement of components and steps, the composition of materials, numerical expressions, and values set forth in these embodiments should be interpreted as merely exemplary and not as limiting.
[0024] The terms "first," "second," and similar words used in this invention do not indicate any order, quantity, or importance, but are merely used to distinguish different parts. Words such as "including" or "comprising" mean that the element preceding the word encompasses the element listed after it, and do not exclude the possibility of encompassing other elements as well. Terms such as "upper," "lower," "left," and "right" are only used to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.
[0025] like Figures 1 to 3 As shown, the reinforced high-strength anti-corrosion pipeline includes a pipeline body 1. An inner anti-corrosion layer 2 is provided on the outer side of the pipeline body 1. An inner support sleeve 3 is fitted outside the inner anti-corrosion layer 2. Reinforcing ribs 4 arranged in a circular array parallel to the axial direction of the pipeline body 1 are arranged on the outer side of the inner support sleeve 3. A corrugated support pipe 5 is arranged around the outer side of the inner support sleeve 3. An outer support sleeve 7 is fitted outside the corrugated support pipe 5. The corrugated support pipe 5 has alternating peaks 51 and troughs 52. The reinforcing ribs 4 are arranged corresponding to the peaks 51 on the outer side of the inner support sleeve 3. A buffer pipe 6 is arranged on the side of the trough 52 near the outer support sleeve 7. In this embodiment, the inner anti-corrosion layer 2 is used to improve the anti-corrosion effect on the outer side of the pipeline body 1. As a result, the inner support sleeve 3 and outer support sleeve 4 outside the inner anti-corrosion layer 2 enhance the strength of the pipeline; the outer side of the inner support sleeve 3 has reinforcing ribs 4 arranged in a circumferential array parallel to the axial direction of the pipeline body 1, which enhances the bending resistance of the pipeline and further improves the overall strength of the pipeline; a corrugated support pipe 5 is installed between the inner support sleeve 3 and the outer support sleeve 4. When the pipeline is subjected to external impact, the corrugated support pipe 5 will undergo elastic deformation, which absorbs the external impact energy and reduces the impact on the internal pipeline body 1; the buffer pipe 6 will also deform when the corrugated support pipe 5 deforms, further absorbing the external impact energy and reducing the impact on the internal pipeline body 1.
[0026] In some embodiments, as an optional implementation of the buffer tube 6, such as Figure 4As shown, an inner support column 61 is arranged along its axial direction inside the buffer tube 6, and buffer arc plates 62 are arranged in a circular array on the outer side of the inner support column 61. The end of the buffer arc plate 62 facing away from the inner support column 61 is fixedly connected to the inside of the buffer tube 6. When the corrugated support tube 5 deforms, the buffer tube 6 will also deform itself. At the same time, the buffer tube 6 will drive the buffer arc plate 62 inside to undergo elastic deformation. During the elastic deformation process, the buffer arc plate 62 can further absorb the external impact energy. Specifically, the buffer tube 6 is made of rubber.
[0027] In some embodiments, elastic particles are filled between the crest 51 and the inner support sleeve 3, and between the trough 52 and the outer support sleeve 7. The elastic particles can undergo elastic deformation under external impact, and absorb external impact energy through elastic deformation. At the same time, sliding friction is generated between the elastic particles, and external impact energy is consumed through friction.
[0028] As one specific implementation of the elastic particles, the elastic particles are ETPU elastic particles.
[0029] In some embodiments, the inner anti-corrosion layer 2 is a PVC pipe fitted on the outside of the pipe body 1, and the inner support sleeve 3 is a steel pipe fitted on the outside of the inner anti-corrosion layer 2; the excellent corrosion resistance of the PVC pipe can resist the erosion of the pipe body 1 by external chemicals such as acids, alkalis, and salts.
[0030] In some embodiments, the reinforcing rib 4 is a steel bar welded and fixed to the outside of the inner support sleeve 3.
[0031] In some embodiments, the outer support sleeve 7 is a steel pipe, and an external anti-corrosion coating is provided on the outside of the outer support sleeve 7 to improve the anti-corrosion performance of the outer support sleeve 7.
[0032] In some embodiments, the corrugated support tube 5 is made of spring steel, and the crests 51 and troughs 52 of the corrugated support tube 5 are alternately distributed along its circumference on the outside of the inner support sleeve 3.
[0033] The various embodiments of this utility model have now been described in detail. To avoid obscuring the concept of this utility model, some details known in the art have not been described. Those skilled in the art can fully understand how to implement the technical solutions disclosed herein based on the above description.
[0034] The embodiments described above only illustrate some implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.
Claims
1. A reinforced high strength corrosion resistant pipe characterized by: The pipeline body is provided with an inner anticorrosive layer on the outer side, the inner anticorrosive layer is provided with an inner supporting sleeve on the outer side, the outer side of the inner supporting sleeve is provided with a plurality of reinforcing ribs in a circumferential array and parallel to the axial direction of the pipeline body, the outer side of the inner supporting sleeve is provided with a corrugated supporting tube, and the outer side of the corrugated supporting tube is provided with an outer supporting sleeve.
2. The reinforced high-strength corrosion resistant pipe according to claim 1, characterized in that: The inner side of the buffer tube is provided with an inner supporting column in the axial direction, and the outer side of the inner supporting column is provided with a plurality of buffer arc plates in a circumferential array.
3. The reinforced high-strength corrosion resistant pipe of claim 1, wherein: The space between the reinforcing ribs and the inner supporting sleeve and the space between the corrugated supporting tube and the outer supporting sleeve are filled with elastic particles.
4. The reinforced high-strength corrosion resistant pipe of claim 3, wherein: The elastic particles are ETPU elastic particles.
5. The reinforced high-strength corrosion resistant pipe of claim 1, wherein: The inner anticorrosive layer is a PVC tube provided on the outer side of the pipeline body, and the inner supporting sleeve is a steel tube provided on the outer side of the inner anticorrosive layer.
6. The reinforced high-strength corrosion resistant pipe of claim 1, wherein: The reinforcing ribs are steel bars welded on the outer side of the inner supporting sleeve.
7. The reinforced high-strength corrosion resistant pipe of claim 1, wherein: The outer supporting sleeve is a steel tube, and the outer side of the outer supporting sleeve is provided with an outer anticorrosive coating.
8. The reinforced high-strength corrosion resistant pipe of claim 1, wherein: The corrugated supporting tube is made of spring steel, and the corrugated supporting tube is provided with the wave crest and the wave trough alternately distributed in the circumferential direction on the outer side of the inner supporting sleeve.