Corrosion-resistant steel pipe with long service life

Abstract

The utility model relates to the field of steel pipe protection, and discloses a corrosion-resistant long-service-life steel pipe which comprises a steel pipe body, a protection assembly is arranged on the outer side of the steel pipe body, a corrosion-resistant assembly is arranged on the outer side of the steel pipe body, a sealing assembly is arranged on the outer side of the corrosion-resistant assembly, and a wear-resistant assembly is arranged on the outer side of the sealing assembly. The protection assembly comprises an anti-rust and anti-oxidation layer, and the anti-rust and anti-oxidation layer is located on the surface of the steel pipe. According to the utility model, the defects of water spots, oxidation, corrosion, rust change and the like on the metal surface are effectively prevented through the protection assembly, meanwhile, the corrosion-resistant assembly has an excellent corrosion-resistant effect, can effectively resist severe environments such as high temperature, strong acid, strong alkali and the like, also has excellent weather resistance, and can be sealed through the sealing assembly. Certain corrosion of air to the steel pipe is effectively avoided, the safety is excellent, the efficient corrosion-resistant effect is achieved, certain protection performance is achieved, and use by a user is facilitated.

Description

Technical Field

[0001] The utility model relates to the field of steel pipe protection, in particular to a steel pipe with long corrosion resistance life. Background Technique

[0002] A steel pipe is a hollow cylindrical steel, with a circular cross-section. It is generally made of a whole piece of metal, or welded by two end bearings or flanges. It is widely used in the fields of construction, machinery manufacturing, petrochemical industry, etc. Steel pipes can be divided into two categories according to the production method: seamless steel pipes and welded steel pipes. Welded steel pipes are simply called straight seam steel pipes. Seamless steel pipes can be divided into: hot-rolled seamless pipes, cold-drawn pipes, precision steel pipes, hot-expanded pipes, welded pipes, etc. Seamless steel pipes are made of high-quality carbon steel or alloy steel, and are divided into hot-rolled and cold-rolled (drawn). Bundles of steel pipes need to be hooked at both ends of the pipe with special hooks during transportation and loading and unloading. These special hooks are also called pipe hooks, pipe lifting hooks, pipe lifting rings, etc.;

[0003] The current steel pipes are made of steel alloys. During long-term use, the steel pipes have the phenomena of surface rusting and corrosion. When the corrosion is serious, it will affect the strength, and it cannot achieve excellent and stable support effects, there is a certain danger, and the safety is relatively low. Therefore, a steel pipe with long corrosion resistance life is proposed to solve the above problems. Content of the Utility Model

[0004] In order to make up for the above deficiencies, the utility model provides a steel pipe with long corrosion resistance life, aiming to improve the problems in the prior art that the current steel pipes are made of steel alloys, and during long-term use, there are phenomena of surface rusting and corrosion. When the corrosion is serious, it will affect the strength, and it cannot achieve excellent and stable support effects, there is a certain danger, and the safety is relatively low.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A steel pipe with long corrosion resistance life, including a steel pipe, a protection component is arranged on the outer side of the steel pipe, a corrosion resistance component is arranged on the outer side of the steel pipe, a sealing component is arranged on the outer side of the corrosion resistance component, and a wear resistance component is arranged on the outer side of the sealing component;

[0007] The protection component includes an anti-rust and anti-oxidation layer, the anti-rust and anti-oxidation layer is located on the surface of the steel pipe, a protection electroplating coating is arranged on the surface of the anti-rust and anti-oxidation layer, and a metal sandblasting layer is arranged on the surface of the protection electroplating coating;

[0008] The corrosion resistance component includes a polyurethane composite coating, the polyurethane composite coating is fixedly connected to the surface of the metal sandblasting layer, and an organosilicon composite coating is fixedly connected to the surface of the polyurethane composite coating;

[0009] The sealing assembly includes an epoxy composite coating, which is fixedly connected to the surface of a silicone composite coating, and an epoxy surface coating is fixedly connected to the surface of the epoxy composite coating.

[0010] As a further description of the above technical solution:

[0011] The wear-resistant assembly includes an organotin composite coating, which is fixedly connected to the surface of an epoxy surface coating, and a chlorinated rubber composite coating is fixedly connected to the surface of the organotin composite coating.

[0012] As a further description of the above technical solution:

[0013] The rust and oxidation prevention layer is fixedly connected to the surface of the steel pipe through electroplating treatment, and the rust and oxidation prevention layer is used in cooperation with the steel pipe.

[0014] As a further description of the above technical solution:

[0015] The protective electroplated coating is fixedly connected to the surface of the rust and oxidation prevention layer through electroplating treatment, and the protective electroplated coating is used in cooperation with the rust and oxidation prevention layer.

[0016] As a further description of the above technical solution:

[0017] The polyurethane composite coating is fixedly connected to the surface of the metal sandblasting layer by coating, and the polyurethane composite coating is used in cooperation with the metal sandblasting layer.

[0018] The utility model has the following beneficial effects:

[0019] 1. In the utility model, through the protection assembly, water spots, oxidation, corrosion, rusting and other defects on the metal surface can be effectively prevented. At the same time, through the corrosion-resistant assembly, it has excellent anti-corrosion effect, can effectively withstand harsh environments such as high temperature, strong acid and strong alkali, and also has excellent weather resistance. Through the sealing assembly, the corrosion of the steel pipe by air can be effectively avoided, and the safety is excellent, achieving the effect of high corrosion resistance, having a certain protection performance, and being convenient for users to use.

[0020] 2. In the utility model, through the wear-resistant assembly, through the setting of the organotin composite coating, it has an efficient, safe and environmentally friendly anti-corrosion coating. It takes tin as the main active element and adds organic functional groups to form organotin compounds. When used for coating metal materials, it can show excellent anti-corrosion performance and can achieve excellent corrosion resistance effect, which is convenient for users to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic front sectional view of a steel pipe with long corrosion resistance proposed by the utility model;

[0022] Figure 2 A steel pipe with long corrosion resistance life proposed by the present utility model Figure 2 Schematic structural diagram of the structure at A in it;

[0023] Figure 3 Schematic three-dimensional structure diagram of the rust and oxidation prevention layer of a steel pipe with long corrosion resistance life proposed by the present utility model.

[0024] Legend description:

[0025] 1. Steel pipe; 2. Rust and oxidation prevention layer; 3. Protective electroplating coating; 4. Metal sandblasting layer; 5. Polyurethane composite coating; 6. Organosilicon composite coating; 7. Epoxy composite coating; 8. Epoxy surface coating; 9. Organotin composite coating; 10. Chlorinated rubber composite coating. Specific implementation manners

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0027] Refer to Figures 1-3 , an embodiment provided by the present utility model: A steel pipe with long corrosion resistance life, including a steel pipe 1, a protective component is arranged on the outer side of the steel pipe 1, the protective component includes a rust and oxidation prevention layer 2, the rust and oxidation prevention layer 2 is located on the surface of the steel pipe 1, a protective electroplating coating 3 is arranged on the surface of the rust and oxidation prevention layer 2, a metal sandblasting layer 4 is arranged on the surface of the protective electroplating coating 3. Through the setting of the protective component, water stains, oxidation, corrosion, rusting and other defects on the metal surface are effectively prevented; a corrosion-resistant component is arranged on the outer side of the steel pipe 1, the corrosion-resistant component includes a polyurethane composite coating 5, the polyurethane composite coating 5 is fixedly connected to the surface of the metal sandblasting layer 4, and an organosilicon composite coating 6 is fixedly connected to the surface of the polyurethane composite coating 5. Through the setting of the corrosion-resistant component, it has excellent anti-corrosion effect, can effectively withstand harsh environments such as high temperature, strong acid and strong alkali, and also has excellent weather resistance; a sealing component is arranged on the outer side of the corrosion-resistant component, the sealing component includes an epoxy composite coating 7, the epoxy composite coating 7 is fixedly connected to the surface of the organosilicon composite coating 6, and an epoxy surface coating 8 is fixedly connected to the surface of the epoxy composite coating 7. Through the setting of the sealing component, the corrosion of the steel pipe 1 caused by air is effectively avoided, and the safety performance is excellent.

[0028] Refer to Figures 1-3, a wear-resistant component is provided on the outer side of the sealing component. The wear-resistant component includes an organotin composite coating 9. The organotin composite coating 9 is fixedly connected to the surface of an epoxy surface coating 8. The surface of the organotin composite coating 9 is fixedly connected to a chlorinated rubber composite coating 10. Through the setting of the organotin composite coating 9, there is an anti-corrosion coating that is efficient, safe, and environmentally friendly. It uses tin as the main active element and adds organic functional groups to form an organotin compound. When used for coating metal materials, it can exhibit excellent anti-corrosion performance; the rust and oxidation prevention layer 2 is fixedly connected to the surface of the steel pipe 1 through electroplating treatment. The rust and oxidation prevention layer 2 and the steel pipe 1 are used in combination. The protective electroplated coating 3 is fixedly connected to the surface of the rust and oxidation prevention layer 2 through electroplating treatment. The protective electroplated coating 3 and the rust and oxidation prevention layer 2 are used in combination. The polyurethane composite coating 5 is fixedly connected to the surface of the metal sandblasting layer 4 by coating. The polyurethane composite coating 5 and the metal sandblasting layer 4 are used in combination. By setting the polyurethane composite coating 5 to be fixedly connected to the metal sandblasting layer 4 by coating, it has excellent stability and can avoid the phenomenon of the polyurethane composite coating 5 being fixedly connected to the metal sandblasting layer 4 by coating and having a staggered layer, which is convenient for users to use.

[0029] Working principle: When anti-corrosion is carried out on the steel pipe 1, through the protective component, it can effectively prevent water spots, oxidation, corrosion, rusting and other defects on the metal surface. At the same time, through the corrosion-resistant component, it has excellent anti-corrosion effect, can effectively withstand harsh environments such as high temperature, strong acid and strong alkali, and also has excellent weather resistance. Through the sealing component, it can effectively prevent the air from causing certain corrosion to the steel pipe 1, and has excellent safety. Through the wear-resistant component, through the setting of the organotin composite coating 9, there is an anti-corrosion coating that is efficient, safe, and environmentally friendly. It uses tin as the main active element and adds organic functional groups to form an organotin compound. When used for coating metal materials, it can exhibit excellent anti-corrosion performance, thus achieving excellent wear-resistant effect.

[0030] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A steel pipe with long corrosion resistance and service life, comprising a steel pipe (1), characterized in that: A protective component is arranged on the outside of the steel pipe (1), a corrosion-resistant component is arranged on the outside of the steel pipe (1), a sealing component is arranged on the outside of the corrosion-resistant component, and a wear-resistant component is arranged on the outside of the sealing component; The protective component comprises an anti-rust and anti-oxidation layer (2), the anti-rust and anti-oxidation layer (2) is located on the surface of the steel pipe (1), the surface of the anti-rust and anti-oxidation layer (2) is provided with a protective electroplating coating (3), and the surface of the protective electroplating coating (3) is provided with a metal sandblasting layer (4); The corrosion-resistant component comprises a polyurethane composite coating (5), wherein the polyurethane composite coating (5) is fixedly connected to the surface of the metal sandblasting layer (4), and the surface of the polyurethane composite coating (5) is fixedly connected to an organic silicon composite coating (6); The sealing component comprises an epoxy composite coating (7), wherein the epoxy composite coating (7) is fixedly connected to the surface of the organic silicon composite coating (6), and the surface of the epoxy composite coating (7) is fixedly connected to an epoxy surface coating (8).

2. A steel pipe with long corrosion resistance and service life according to claim 1, characterized in that: The wear-resistant component comprises an organic tin composite coating (9), the organic tin composite coating (9) is fixedly connected to the surface of an epoxy surface coating (8), and the surface of the organic tin composite coating (9) is fixedly connected to a chlorinated rubber composite coating (10).

3. The corrosion-resistant steel pipe with long service life according to claim 1, characterized in that: The anti-rust and anti-oxidation layer (2) is fixedly connected to the surface of the steel pipe (1) through electroplating treatment, and the anti-rust and anti-oxidation layer (2) is used in conjunction with the steel pipe (1).

4. The steel pipe with long corrosion resistance and service life according to claim 1, characterized in that: The protective electroplating coating (3) is fixedly connected to the surface of the rust-proof and oxidation-resistant layer (2) through electroplating treatment, and the protective electroplating coating (3) is used in conjunction with the rust-proof and oxidation-resistant layer (2).

5. The steel pipe with long corrosion resistance according to claim 1, characterized in that: The polyurethane composite coating (5) is fixedly connected to the surface of the metal sandblasting layer (4) by coating, and the polyurethane composite coating (5) is used in conjunction with the metal sandblasting layer (4).

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