CN211649331U

CN211649331U - Heat-insulating and corrosion-resistant petroleum pipeline

Info

Publication number: CN211649331U
Application number: CN202020031184.9U
Authority: CN
Inventors: 杨国珍
Original assignee: Hebei Shengcang Pipeline Anti Corrosion Engineering Co ltd
Current assignee: Hebei Shengcang Pipeline Anti Corrosion Engineering Co ltd
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-10-09
Anticipated expiration: 2030-01-08

Abstract

The utility model discloses a heat preservation anticorrosive petroleum pipeline, which comprises a pipe body, the body includes wearing layer, cold-resistant layer, high strength layer, heat preservation and anti-corrosion coating, the wearing layer is located the surface on cold-resistant layer, cold-resistant layer is located the surface on high strength layer, the high strength layer is located the surface of heat preservation, the heat preservation is located the surface on anti-corrosion coating, the surface of body is scribbled and is equipped with the dope layer, the dope layer includes anti-rust coating and anti-corrosion coating, anti-corrosion coating scribbles the surface of locating anti-corrosion coating, the wearing layer is the carbon steel layer, cold-resistant layer is the aluminum alloy layer, the high strength layer is the alloy steel layer, the heat preservation is polyurethane insulation board layer. The utility model discloses a wearing layer, cold-resistant layer, high strength layer, heat preservation, anti-corrosion coating, anti rust coating and anticorrosive coating mutually support, have solved present petroleum pipeline and have not had the anticorrosive effect of heat preservation, lead to the short problem of life.

Description

Heat-insulating and corrosion-resistant petroleum pipeline

Technical Field

The utility model relates to a petrochemical technical field specifically is a heat preservation anticorrosive petroleum pipeline.

Background

The petroleum refers to a mixture of gaseous, liquid and solid hydrocarbons, the petroleum is a viscous and dark brown liquid called as 'industrial blood', the upper part of the crust of the earth is stored with petroleum, the main component of the petroleum is a mixture of various alkanes, cyclanes and aromatic hydrocarbons, which is one of the main objects of geological exploration, the petroleum must be transported to a corresponding processing department after being mined, the petroleum transportation mostly adopts pipeline transportation, the petroleum pipeline plays a very important role in the petroleum transportation, the pipeline transportation is an economic and reasonable transportation mode for crude oil transportation, but the existing petroleum pipeline has no heat-insulating and corrosion-preventing effects, so that the service life is short, and therefore, the heat-insulating and corrosion-preventing petroleum pipeline is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat preservation anticorrosive petroleum pipeline possesses the advantage of the anticorrosive effect of heat preservation, has solved present petroleum pipeline and has not had the anticorrosive effect of heat preservation, leads to the short problem of life.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a heat preservation anticorrosive petroleum pipeline, includes the body, the body includes wearing layer, cold-resistant layer, high strength layer, heat preservation and anti-corrosion coating, the wearing layer is located the surface on cold-resistant layer, cold-resistant layer is located the surface on high strength layer, the high strength layer is located the surface of heat preservation, the heat preservation is located the surface on anti-corrosion coating, the surface of body is scribbled and is equipped with the dope layer, the dope layer includes anti-rust coating and anti-corrosion coating, anti-corrosion coating scribbles the surface of locating anti-corrosion coating.

Preferably, the wear-resistant layer is a carbon steel layer, the cold-resistant layer is an aluminum alloy layer, the high-strength layer is an alloy steel layer, the heat preservation layer is a polyurethane heat preservation plate layer, and the anti-corrosion layer is a stainless steel layer.

Preferably, the thicknesses of the wear-resistant layer, the cold-resistant layer, the high-strength layer and the anti-corrosion layer are equal, and the thickness of the wear-resistant layer is one half of the thickness of the heat preservation layer.

Preferably, the antirust coating is a red lead paint layer, and the anticorrosion coating is a petroleum asphalt paint layer.

Preferably, the thickness of the anti-rust coating is equal to that of the anti-corrosion coating, and the anti-corrosion coating is coated on the outer surface of the wear-resistant layer.

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

the utility model discloses an antirust coating, can prevent the body corrosion, utilize anticorrosive coating, can play anticorrosive effect, it leads to the body to receive external environment to corrode to prevent antirust coating wearing and tearing after long-time the use, thereby improve the life of pipeline, utilize the wearing layer, improve the wear-resisting effect of pipeline, avoid the pipeline to be worn and torn by external object, utilize cold-resistant layer, can improve the cold resistance of pipeline, avoid the pipeline to be frost crack in winter, utilize the high strength layer, can improve the intensity of pipeline, utilize the heat preservation, play heat retaining effect, avoid the oil in the pipeline to solidify under low temperature environment and influence oil transportation, utilize the anticorrosive coating, can avoid the pipeline to receive the corruption of inside oil, and the service life is prolonged, the current petroleum pipeline does not have the anticorrosive effect of heat preservation, lead to the short problem of life.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application, and in which:

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

FIG. 2 is a schematic view of the structure of the tube body of the present invention;

fig. 3 is the structure diagram of the coating layer of the present invention.

In the figure: 1. a pipe body; 11. a wear layer; 12. a cold-resistant layer; 13. a high-strength layer; 14. a heat-insulating layer; 15. an anti-corrosion layer; 2. a coating layer; 21. an antirust coating; 22. and (4) an anti-corrosion coating.

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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a body 1, wearing layer 11, cold-resistant layer 12, high strength layer 13, heat preservation 14, anti-corrosion coating 15, dope layer 2, anti-rust coating 21 and anti-corrosion coating 22 part are the parts that general standard spare or technical field personnel know, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-3, a heat-insulating and corrosion-preventing petroleum pipeline comprises a pipe body 1, wherein the pipe body 1 comprises a wear-resistant layer 11, a cold-resistant layer 12, a high-strength layer 13, a heat-insulating layer 14 and a corrosion-preventing layer 15, the wear-resistant layer 11 is positioned on the outer surface of the cold-resistant layer 12, the cold-resistant layer 12 is positioned on the outer surface of the high-strength layer 13, the high-strength layer 13 is positioned on the outer surface of the heat-insulating layer 14, the heat-insulating layer 14 is a carbon steel layer, the cold-resistant layer 12 is an aluminum alloy layer, the high-strength layer 13 is an alloy steel layer, the heat-insulating layer 14 is a polyurethane heat-insulating plate layer, the corrosion-preventing layer 15 is a stainless steel layer, the thicknesses of the wear-resistant layer 11, the cold-resistant layer 12, the high-strength, the anti-corrosion coating 21 is coated on the outer surface of the anti-corrosion coating 22, the pipe body 1 can be prevented from being corroded by the external environment through the anti-corrosion coating 21, the anti-corrosion coating 22 can play an anti-corrosion role, the pipe body 1 is prevented from being corroded by the external environment due to the fact that the anti-corrosion coating 21 is worn after being used for a long time, the service life of the pipeline is prolonged, the wear-resistant effect of the pipeline is improved by the wear-resistant layer 11, the pipeline is prevented from being worn by external objects, the cold resistance of the pipeline can be improved by the cold-resistant layer 12, the pipeline is prevented from being frost-cracked in winter, the strength of the pipeline can be improved by the high-strength layer 13, the heat-insulation layer 14 is utilized to play a heat-insulation effect, the petroleum in the pipeline is prevented from being solidified under a low-temperature environment to influence on petroleum conveying, the anti-corrosion layer 15 is, the problem of short service life is caused, the antirust coating 21 is a red lead paint layer, the anticorrosion coating 22 is a petroleum asphalt paint layer, the thicknesses of the antirust coating 21 and the anticorrosion coating 22 are equal, and the anticorrosion coating 22 is coated on the outer surface of the wear-resistant layer 11.

When in use, the pipe body 1 can be prevented from rusting through the antirust coating 21, and by utilizing the anticorrosion coating 22, can play a role of corrosion prevention, prevent the pipe body 1 from being corroded by the external environment due to the abrasion of the antirust coating 21 after long-time use, thereby prolonging the service life of the pipeline, improving the wear-resisting effect of the pipeline by utilizing the wear-resisting layer 11, avoiding the pipeline from being worn by external objects, utilizing the cold-resisting layer 12, can improve the cold resistance of the pipeline, avoid the pipeline from being frozen and cracked in winter, and utilize the high-strength layer 13, can improve the strength of the pipeline, has the effect of heat preservation by utilizing the heat preservation layer 14, avoids the petroleum in the pipeline from being solidified under the low-temperature environment to influence the petroleum transportation, utilizes the anti-corrosion layer 15, can avoid the pipeline to receive the corruption of inside oil, improve life, solve present petroleum pipeline and do not have the anticorrosive effect of heat preservation, lead to the problem that life is short.

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. The utility model provides a heat preservation anticorrosive petroleum pipeline, includes body (1), its characterized in that: body (1) is including wearing layer (11), cold-resistant layer (12), high strength layer (13), heat preservation (14) and anti-corrosion coating (15), wearing layer (11) are located the surface of cold-resistant layer (12), cold-resistant layer (12) are located the surface of high strength layer (13), high strength layer (13) are located the surface of heat preservation (14), heat preservation (14) are located the surface of anti-corrosion coating (15), the surface coating of body (1) is equipped with dope layer (2), dope layer (2) are including rust-resistant coating (21) and anticorrosive coating (22), the surface of anticorrosive coating (22) is located in the coating of rust-resistant coating (21).

2. The heat-insulating anticorrosive petroleum pipeline according to claim 1, characterized in that: the wear-resisting layer (11) is a carbon steel layer, the cold-resistant layer (12) is an aluminum alloy layer, the high-strength layer (13) is an alloy steel layer, the heat-insulating layer (14) is a polyurethane heat-insulating plate layer, and the anti-corrosion layer (15) is a stainless steel layer.

3. The heat-insulating anticorrosive petroleum pipeline according to claim 1, characterized in that: the thickness of the wear-resistant layer (11), the thickness of the cold-resistant layer (12), the thickness of the high-strength layer (13) and the thickness of the anti-corrosion layer (15) are equal, and the thickness of the wear-resistant layer (11) is half of that of the heat-insulating layer (14).

4. The heat-insulating anticorrosive petroleum pipeline according to claim 1, characterized in that: the anti-corrosion coating (21) is a red lead paint layer, and the anti-corrosion coating (22) is a petroleum asphalt paint layer.

5. The heat-insulating anticorrosive petroleum pipeline according to claim 1, characterized in that: the thickness of the antirust coating (21) is equal to that of the anticorrosive coating (22), and the anticorrosive coating (22) is coated on the outer surface of the wear-resistant layer (11).