Anti-corrosion pressure pipeline

Abstract

The utility model discloses an anti-corrosion pressure pipeline which is composed of an inner pipeline body and an outer pipeline body, the outer pipeline body is arranged on the outer side of the inner pipeline body, the outer pipeline body and the inner pipeline body are coaxially arranged, the two ends of the inner side of the outer pipeline body are each provided with a supporting ring base, and the supporting ring bases are in clearance fit with the inner pipeline body. A plurality of supporting rib rings are arranged on the inner side of the inner pipeline in the length direction of the inner pipeline at equal intervals, the supporting rib rings are in clearance fit with the inner pipeline, and the supporting rib rings, the inner pipeline and the outer pipeline form a closed sealed cavity; the pipeline is composed of the inner pipeline body and the outer pipeline body, the outer pipeline body is arranged on the outer side of the inner pipeline body, and a certain space is formed between the inner pipeline body and the outer pipeline body, so that the outer pipeline body can play a role in protecting the inner pipeline body, meanwhile, the outer pipeline body has the effect of improving the overall sealing performance of the pipeline; and the outer pipeline can be sealed, so that the service life of the whole pipeline is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure pipelines, in particular to an anti-corrosion pressure pipeline. Background Art

[0002] Pressure piping refers to all pipelines that are subject to internal or external pressure. Pressure piping is a part of a pipeline that is used to transport, distribute, mix, separate, discharge, meter, control and stop the flow of fluids. It is an assembly consisting of pipes, pipe fittings, flanges, bolted connections, gaskets, valves, other components or pressure-bearing parts and supports.

[0003] There are two main types of pressure pipes used in industry and life, metal pipes and non-metal pipes. Plastic pipes are light and corrosion-resistant, but they have low strength and are easily deformed by external impact. Utility Model Content

[0004] The utility model aims to provide an anti-corrosion pressure pipeline to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-corrosion pressure pipeline, consisting of an inner pipeline and an outer pipeline, the outer pipeline is arranged on the outside of the inner pipeline, and the outer pipeline and the inner pipeline are arranged coaxially, a support ring seat is arranged at each of the two ends of the inner side of the outer pipeline, the support ring seat and the inner pipeline are clearance fit, and a plurality of support rib rings are arranged on the inner side of the inner pipeline at equal intervals along the length direction of the inner pipeline, the support rib ring and the inner pipeline are clearance fit, and the support rib ring and the inner pipeline and the outer pipeline form a closed sealed cavity.

[0006] Preferably, a first connection port is provided at one end of the inner pipe, and a second connection port is provided at the other end of the inner pipe, and the first connection port and the second connection port are clearance-fitted.

[0007] Preferably, an insertion port is provided between the second connection port and the external pipe, and the insertion port and the first connection port are clearance-fitted.

[0008] Preferably, a rubber sealing gasket is installed on the inner side of the plug interface.

[0009] Preferably, the pipe wall of the inner pipe is, from inside to outside, anti-corrosion layer one, support layer one, reinforcement layer, support layer two and anti-corrosion layer two, the anti-corrosion layer one and the anti-corrosion layer two are epoxy coatings, the support layer one and the support layer two are made of PE material, and the reinforcement layer is a steel wire support mesh.

[0010] Preferably, the steel wire support mesh comprises a left-handed spiral steel wire layer and a right-handed spiral steel wire layer.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model consists of an inner pipe and an outer pipe, the outer pipe is arranged on the outside of the inner pipe, and there is a certain space between the inner pipe and the outer pipe, so the outer pipe can protect the inner pipe, and at the same time the outer pipe also has the effect of improving the overall sealing of the pipe. When the pipe wall of the inner pipe is broken and leaks, the outer pipe can form a seal, thereby extending the service life of the Yancheng pipeline as a whole. Since a supporting rib ring is also arranged between the outer pipe and the inner pipe, the space between the outer pipe and the inner pipe is divided into a plurality of sealed cavities, which can reduce the leakage of the inner pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0013] Figure 1 It is a schematic diagram of the overall cutaway structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the utility model.

[0015] In the figure: 1. inner pipe; 2. outer pipe; 3. support ring seat; 4. connection port 1; 5. support rib ring; 6. sealing cavity; 7. rubber sealing gasket; 8. plug-in port; 9. connection port 2; 10. anti-corrosion layer 1; 11. support layer 1; 12. reinforcement layer; 13. support layer 2; 14. anti-corrosion layer 2. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are 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 making creative work belong to the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0017] See also Figure 1-2In the embodiment of the utility model, an anti-corrosion pressure pipeline is composed of an inner pipeline 1 and an outer pipeline 2. The outer pipeline 2 is arranged on the outside of the inner pipeline 1, and the outer pipeline 2 and the inner pipeline 1 are coaxially arranged. A support ring seat 3 is respectively arranged at both ends of the inner side of the outer pipeline 2. The support ring seat 3 and the inner pipeline 1 are clearance-matched. A plurality of support rib rings 5 ​​are arranged at equal intervals on the inner side of the inner pipeline 1 along the length direction of the inner pipeline 1. The support rib ring 5 and the inner pipeline 1 are clearance-matched. The support rib ring 5 and the inner pipeline 1 and the outer pipeline 2 form a closed sealing cavity 6.

[0018] A connection port 14 is provided at one end of the inner pipe 1, and a connection port 29 is provided at the other end of the inner pipe 1. The connection port 14 and the connection port 29 are clearance-matched. An insertion port 8 is provided between the connection port 29 and the outer pipe 2. The insertion port 8 and the connection port 14 are clearance-matched. A rubber sealing gasket 7 is installed on the inner side of the insertion port 8. When two adjacent utility models are connected to each other, the connection port 14 of one pipe needs to be inserted into the insertion port 8 of the other pipe. The rubber sealing gasket 7 can seal the connection position.

[0019] The pipe wall of the inner pipe 1 is composed of an anti-corrosion layer 10, a supporting layer 11, a reinforcement layer 12, a supporting layer 13 and an anti-corrosion layer 14 from the inside to the outside. The anti-corrosion layer 10 and the anti-corrosion layer 14 are epoxy coatings, the supporting layer 11 and the supporting layer 13 are made of PE material, the reinforcement layer 12 is a steel wire support mesh, and the steel wire support mesh includes a left-spiral steel wire layer and a right-spiral steel wire layer.

[0020] The working principle of the utility model is as follows: the utility model is composed of an inner pipe 1 and an outer pipe 2, the outer pipe 2 is arranged on the outside of the inner pipe 1, and there is a certain space between the inner pipe 1 and the outer pipe 2, so the outer pipe 2 can protect the inner pipe 1, and at the same time, the outer pipe 2 also has the effect of improving the overall sealing of the pipe. When the pipe wall of the inner pipe 1 is broken and leaks, the outer pipe 2 can form a seal, thereby extending the service life of the Yancheng pipeline as a whole. Since a supporting rib ring 5 is also arranged between the outer pipe 2 and the inner pipe 1, the space between the outer pipe 2 and the inner pipe 1 is divided into a plurality of sealed cavities 6, which can reduce the leakage of the inner pipe 1.

[0021] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An anti-corrosion pressure pipeline, characterized in that: The invention comprises an inner pipe (1) and an outer pipe (2), wherein the outer pipe (2) is arranged on the outer side of the inner pipe (1), and the outer pipe (2) and the inner pipe (1) are arranged coaxially, and a support ring seat (3) is arranged at each of the two ends of the inner side of the outer pipe (2), and the support ring seat (3) and the inner pipe (1) are clearance-matched, and a plurality of support rib rings (5) are arranged at equal intervals on the inner side of the inner pipe (1) along the length direction of the inner pipe (1), and the support rib rings (5) and the inner pipe (1) are clearance-matched, and the support rib rings (5) and the inner pipe (1) and the outer pipe (2) form a closed sealed cavity (6).

2. The anti-corrosion pressure pipeline according to claim 1, characterized in that: One end of the inner pipe (1) is provided with a first connection port (4), and the other end of the inner pipe (1) is provided with a second connection port (9), and the first connection port (4) and the second connection port (9) are clearance-fitted.

3. The anti-corrosion pressure pipeline according to claim 2, characterized in that: An insertion port (8) is provided between the second connection port (9) and the external pipe (2), and the insertion port (8) and the first connection port (4) are clearance-fitted.

4. The anti-corrosion pressure pipeline according to claim 3, characterized in that: A rubber sealing gasket (7) is installed on the inner side of the plug interface (8).

5. The corrosion-resistant pressure pipeline according to claim 1, characterized in that: The wall of the inner pipe (1) comprises, from the inside to the outside, an anti-corrosion layer 1 (10), a support layer 1 (11), a reinforcement layer (12), a support layer 2 (13) and an anti-corrosion layer 2 (14), wherein the anti-corrosion layer 1 (10) and the anti-corrosion layer 2 (14) are epoxy coatings, the support layer 1 (11) and the support layer 2 (13) are made of PE material, and the reinforcement layer (12) is a steel wire support mesh.

6. The anti-corrosion pressure pipeline according to claim 5, characterized in that: The steel wire support mesh comprises a left-hand spiral steel wire layer and a right-hand spiral steel wire layer.

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