CN210088193U

CN210088193U - Natural gas pipeline with long service life

Info

Publication number: CN210088193U
Application number: CN201920481541.9U
Authority: CN
Inventors: 苟明娇
Original assignee: Liling Zhongyou Gas Co Ltd
Current assignee: Liling Zhongyou Gas Co Ltd
Priority date: 2019-04-11
Filing date: 2019-04-11
Publication date: 2020-02-18
Anticipated expiration: 2029-04-11

Abstract

The utility model discloses a long service life's natural gas line, including the pipe wall, the surface of pipe wall is scribbled and is equipped with the anti-rust paint surface, the surface of anti-rust paint surface is scribbled and is equipped with anti-oxidant finish, one side that the anti-rust paint surface was kept away from to the pipe wall is provided with the carborundum enhancement layer, the main material of pipe wall is metal alloy, the thickness of pipe wall is 1-2cm, the main material of carborundum enhancement layer is black carborundum crystal. The utility model discloses a carborundum enhancement layer, perchloroethylene coating, graphite anti rust coating, epoxy coating, polyethylene coating, polyurethane coating and phenolic resin coating's setting, can protect the surface and the internal surface of pipe wall simultaneously, thereby long service life's effect has been reached, but solved simultaneously nevertheless current pipeline and expose in the air usually, blow rain in the wind and drench, lead to the pipeline outward appearance to corrode easily, the life of pipeline has been reduced, and then the problem of incident takes place.

Description

Natural gas pipeline with long service life

Technical Field

The utility model relates to the technical field of pipelines, specifically be a long service life's natural gas line.

Background

The pipeline is a device for conveying gas, liquid or fluid with solid particles, which is formed by connecting pipes, pipe connectors, valves and the like, generally, the fluid flows from a high-pressure part to a low-pressure part of the pipeline after being pressurized by a blower, a compressor, a pump, a boiler and the like, and can also be conveyed by utilizing the pressure or gravity of the fluid, the pipeline has wide application range, and is mainly used for water supply, drainage, heat supply, gas supply, long-distance petroleum and natural gas conveying, agricultural irrigation, hydraulic engineering and various industrial devices.

However, the existing pipeline is usually exposed in the air, and the appearance of the pipeline is easily corroded when the existing pipeline is blown by wind and rain, so that the service life of the pipeline is shortened, and further safety accidents occur.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a long service life's natural gas line possesses long service life's advantage, has solved nevertheless current pipeline and has exposed in the air usually, drenches at the wind-blown rain, leads to the pipeline outward appearance to corrode easily, has reduced the life of pipeline, and then takes place the problem of incident.

In order to achieve the above object, the utility model provides a following technical scheme: the natural gas pipeline comprises a pipe wall, wherein a rust-proof paint surface is coated on the surface of the pipe wall, an antioxidant paint surface is coated on the surface of the rust-proof paint surface, and a silicon carbide reinforced layer is arranged on one side, away from the rust-proof paint surface, of the pipe wall.

Preferably, the main material of the pipe wall is metal alloy, and the thickness of the pipe wall is 1-2 cm.

Preferably, the main material of the silicon carbide reinforced layer is black silicon carbide crystal, and the thickness of the silicon carbide reinforced layer is 0.5-1 cm.

Preferably, the antirust paint surface comprises a perchloroethylene coating, the surface of the perchloroethylene coating is coated with a graphite antirust coating, one side of the perchloroethylene coating, which is far away from the graphite antirust coating, is provided with an epoxy resin coating, and the antirust paint surface is 0.1-0.5cm in thickness.

Preferably, the anti-oxidation paint surface comprises a polyethylene coating, a polyurethane coating is arranged on the surface of the polyethylene coating, a phenolic resin coating is arranged on one side, away from the polyurethane coating, of the polyethylene coating, and the thickness of the anti-oxidation paint surface is 0.2-0.6 cm.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a carborundum enhancement layer, perchloroethylene coating, graphite anti rust coating, epoxy coating, polyethylene coating, polyurethane coating and phenolic resin coating's setting, can protect the surface and the internal surface of pipe wall simultaneously, thereby long service life's effect has been reached, but solved simultaneously nevertheless current pipeline and expose in the air usually, blow rain in the wind and drench, lead to the pipeline outward appearance to corrode easily, the life of pipeline has been reduced, and then the problem of incident takes place.

2. The utility model discloses a main material of pipe wall is metal alloy, because metal alloy can be with the advantage of each metal integration, its performance is higher than single metal greatly, increase the life of pipeline from the root, through the setting of carborundum enhancement layer, because the chemical properties of carborundum is stable, the coefficient of heat conductivity is high, the coefficient of thermal expansion is little and wear resistance is good, simultaneously carborundum can be anti-oxidant under the high temperature condition, thereby protect the inside of pipeline, through the setting of perchloroethylene coating, because it has the inertia of chemistry, to the atmosphere, moisture content, salt, alkali, acidics, petroleum type all have good resistance, excellent outdoor weatherability has simultaneously, it is tough to film, stability is splendid, characteristics such as dry rapidly, through the setting of graphite anti rust coating, because its film has excellent water proofness, atmospheric aging resistance and salt fog resistance, through the setting of epoxy coating, because its chemical property is stable, and the epoxy system after the solidification has good alkali resistance, acid resistance and solvent resistance, through the setting of polyethylene coating, because it has excellent resistant time, ageing-resistant and chemical industry atmospheric corrosion resistance, through the setting of polyurethane coating, because it has characteristics such as adhesive force is strong, water-fast wear resistance and corrosion resistance, and the coating has good chemical resistance, acid resistance, alkali, salt solution and petroleum product, through the setting of phenol-formaldehyde resin coating, because it coats characteristics such as hard, wear-resisting, water-fast, moisture resistance, chemical corrosion resistance, insulation and drying are fast, and it is convenient to make, the variety, and the raw materials are easily obtained, and the price is moderate, easily construction.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial cross-sectional view of the rust preventive paint surface of the present invention;

fig. 3 is a partial cross-sectional view of the anti-oxidation paint surface of the utility model.

In the figure: 1 pipe wall, 2 antirust paint surfaces, 21 perchloroethylene coating, 22 graphite antirust coating, 23 epoxy resin coating, 3 antioxidant paint surfaces, 31 polyethylene coating, 32 polyurethane coating, 33 phenolic resin coating and 4 silicon carbide reinforced layer.

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. 1-3, a natural gas pipeline with long service life comprises a pipe wall 1, a rust-proof paint surface 2 is coated on the surface of the pipe wall 1, an antioxidant paint surface 3 is coated on the surface of the rust-proof paint surface 2, a silicon carbide reinforced layer 4 is arranged on one side of the pipe wall 1 far away from the rust-proof paint surface 2, the main material of the pipe wall 1 is metal alloy, the thickness of the pipe wall 1 is 1-2cm, the main material of the pipe wall 1 is metal alloy, the metal alloy can integrate the advantages of each metal, the service performance of the natural gas pipeline is greatly higher than that of a single metal, the service life of the natural gas pipeline is prolonged fundamentally, the main material of the silicon carbide reinforced layer 4 is black silicon carbide crystal, the thickness of the silicon carbide reinforced layer 4 is 0.5-1cm, and the natural gas pipeline is provided with the silicon carbide reinforced layer 4 due to stable chemical performance, high heat conductivity, small thermal expansion coefficient and, meanwhile, the silicon carbide can resist oxidation under the condition of high temperature so as to protect the interior of a pipeline, the antirust paint surface 2 comprises a perchloroethylene coating 21, the surface of the perchloroethylene coating 21 is coated with a graphite antirust coating 22, one side of the perchloroethylene coating 21, which is far away from the graphite antirust coating 22, is provided with an epoxy resin coating 23, the antirust paint surface 2 is 0.1-0.5cm thick, through the arrangement of the perchloroethylene coating 21, because the perchloroethylene coating has chemical inertia, the antirust paint has good resistance to atmosphere, moisture, salt, alkali, acid and petroleum, and simultaneously has excellent outdoor weather resistance, tough and tough film, excellent stability, rapid drying and other characteristics, through the arrangement of the graphite antirust coating 22, because the paint film has excellent water resistance, atmospheric aging resistance and salt fog resistance, through the arrangement of the epoxy resin coating 23, because the chemical performance is stable, and the cured epoxy resin system has excellent alkali resistance, acid resistance and solvent resistance, the oxidation-resistant paint surface 3 comprises a polyethylene coating 31, the surface of the polyethylene coating 31 is provided with a polyurethane coating 32, one side of the polyethylene coating 31, which is far away from the polyurethane coating 32, is provided with a phenolic resin coating 33, the thickness of the oxidation-resistant paint surface 3 is 0.2-0.6cm, through the arrangement of the polyethylene coating 31, because the polyethylene coating has excellent weather resistance, aging resistance and chemical atmospheric corrosion resistance, through the arrangement of the polyurethane coating 32, because the polyurethane coating has the characteristics of strong adhesive force, water resistance, wear resistance, corrosion resistance and the like, and the coating has excellent chemical resistance, acid resistance, alkali resistance, salt solution and petroleum products, through the arrangement of the phenolic resin coating 33, because the coating has the characteristics of hardness, wear resistance, water resistance, moisture resistance, chemical corrosion resistance, insulation, fast drying and the like, and the manufacturing is convenient, the variety is more, and the raw materials are easily obtained, the price is moderate, the construction is easy, through the setting of carborundum enhancement layer 4, perchloroethylene coating 21, graphite antirust coating 22, epoxy coating 23, polyethylene coating 31, polyurethane coating 32 and phenolic resin coating 33, can protect the surface and the internal surface of pipe wall 1 simultaneously, thereby long service life's effect has been reached, but the present pipeline of having solved simultaneously usually exposes in the air, blow the rain and drench, lead to pipeline outward appearance corruption easily, the service life of pipeline has been reduced, and then the problem of incident takes place.

When in use, the main material of the pipe wall 1 is metal alloy, because the metal alloy can integrate the advantages of each metal, the service performance of the pipe is greatly higher than that of a single metal, the service life of the pipe is prolonged fundamentally, the silicon carbide reinforced layer 4 has stable chemical property, high thermal conductivity, small thermal expansion coefficient and good wear resistance, simultaneously, the silicon carbide can resist oxidation under the condition of high temperature, thereby protecting the inside of the pipe, the perchloroethylene coating 21 has chemical inertia, has good resistance to atmosphere, moisture, salt, alkali, acid and petroleum, simultaneously has excellent outdoor weather resistance, tough coating, excellent stability, rapid drying and other characteristics, the paint film of the graphite antirust coating 22 has excellent water resistance, atmospheric aging resistance and salt mist resistance, the chemical property of the epoxy resin coating 23 is stable, and the cured epoxy resin system has excellent alkali resistance, alkali resistance and alkali resistance, The polyethylene coating 31 has excellent weather resistance, aging resistance and chemical atmospheric corrosion resistance, the polyurethane coating 32 has the characteristics of strong adhesive force, water resistance, wear resistance, corrosion resistance and the like, the coating has excellent chemical requirement resistance, and is acid, alkali, salt solution and petroleum products, the coating of the phenolic resin coating 33 has the characteristics of hardness, wear resistance, water resistance, moisture resistance, chemical corrosion resistance, high insulation, high drying speed and the like, the manufacturing is convenient, the variety is more, the raw materials are easy to obtain, the price is moderate, the construction is easy, the outer surface and the inner surface of the pipe wall 1 are simultaneously protected, and the effect of long service life is achieved.

In summary, the following steps: this long service life's natural gas line through carborundum enhancement layer 4, perchloroethylene coating 21, graphite anti-rust coating 22, epoxy coating 23, polyethylene coating 31, polyurethane coating 32 and phenolic resin coating 33's cooperation, has solved but nevertheless current pipeline and has exposed in the air usually, under the wind-blown rain drenches, leads to the pipeline outward appearance to corrode easily, has reduced the life of pipeline, and then takes place the problem of incident.

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

1. A natural gas pipeline with long service life comprises a pipe wall (1), and is characterized in that: the surface of pipe wall (1) is scribbled and is equipped with anti-rust paint finish (2), the surface of anti-rust paint finish (2) is scribbled and is equipped with anti-oxidant finish (3), one side that anti-rust paint finish (2) were kept away from in pipe wall (1) is provided with carborundum enhancement layer (4).

2. A long-life natural gas pipeline according to claim 1, wherein: the main material of the pipe wall (1) is metal alloy, and the thickness of the pipe wall (1) is 1-2 cm.

3. A long-life natural gas pipeline according to claim 1, wherein: the main material of carborundum enhancement layer (4) is black carborundum crystal, the thickness of carborundum enhancement layer (4) is 0.5-1 cm.

4. A long-life natural gas pipeline according to claim 1, wherein: antirust paint face (2) include perchloroethylene coating (21), the surface coating of perchloroethylene coating (21) is equipped with graphite antirust coating (22), one side that graphite antirust coating (22) were kept away from in perchloroethylene coating (21) is provided with epoxy coating (23), the thickness of antirust paint face (2) is 0.1-0.5 cm.

5. A long-life natural gas pipeline according to claim 1, wherein: the anti-oxidation painted surface (3) comprises a polyethylene coating (31), a polyurethane coating (32) is arranged on the surface of the polyethylene coating (31), a phenolic resin coating (33) is arranged on one side, away from the polyurethane coating (32), of the polyethylene coating (31), and the thickness of the anti-oxidation painted surface (3) is 0.2-0.6 cm.