CN217301940U

CN217301940U - Composite steel pipe with good corrosion prevention effect

Info

Publication number: CN217301940U
Application number: CN202220276619.5U
Authority: CN
Inventors: 芦宝洁
Original assignee: Tianjin Fushunde Industry Co ltd
Current assignee: Tianjin Fushunde Industry Co ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-08-26
Anticipated expiration: 2032-02-11

Abstract

The utility model discloses a compound steel pipe that anticorrosion effect is good, including the body, the surface of body is provided with the anchor tube, and the inner wall fixedly connected with anchor block of anchor tube, one side that the anchor block is close to the body is connected with the fixed surface of body, and the inner wall coating of body has first anticorrosion coating, and the inner wall coating of first anticorrosion coating has first anti-oxidant coating. The utility model discloses a set up the body, the reinforced pipe, the reinforcement piece, first anticorrosion coating, first anti-oxidation coating, the inoxidizing coating, the cooperation of second anticorrosion coating and the anti-oxidation coating of second is used, thereby the advantage that anticorrosive effect is good has been possessed, the corrosion protection performance who has solved current composite steel pipe still remains to be improved, in long-time use, the inner wall and the surface of composite steel pipe receive external environment's influence easily, oxidation corrosion's phenomenon appears, can cause composite steel pipe life to reduce and support the problem that intensity reduces.

Description

Composite steel pipe with good corrosion prevention effect

Technical Field

The utility model relates to a steel pipe technical field specifically is a compound steel pipe that anticorrosive effectual.

Background

The composite steel pipe is a pipe fitting for conveying substances commonly used in life, such as water, natural gas and the like, and because the steel belt in the middle layer of the pipe is closed, the steel-plastic pipe simultaneously has an oxygen barrier effect and can be directly used for direct drinking water engineering, but the corrosion resistance of the existing composite steel pipe is still to be improved, and in the long-time use process, the inner wall and the surface of the composite steel pipe are easily influenced by the external environment, so that the phenomenon of oxidation corrosion occurs, and the problems of the service life reduction and the support strength reduction of the composite steel pipe can be caused.

SUMMERY OF THE UTILITY MODEL

For solving the problem that proposes in the above-mentioned background art, the utility model aims to provide a compound steel pipe that anticorrosive effect is good has possessed anticorrosive effectual advantage, and the corrosion resisting property who has solved current compound steel pipe still remains to improve, and in long-time use, the inner wall and the surface of compound steel pipe receive external environment's influence easily, the phenomenon of oxidative corrosion appears, can cause the problem that compound steel pipe life reduces and support intensity reduces.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a compound steel pipe that anticorrosion effect is good, includes the body, the surface of body is provided with the reinforcing pipe, the inner wall fixedly connected with reinforcing block of reinforcing pipe, the reinforcing block is close to one side of body and the fixed surface of body and is connected, the inner wall coating of body has first anticorrosion coating, the inner wall coating of first anticorrosion coating has first anti-oxidant coating, the surface of reinforcing pipe is provided with the inoxidizing coating, the surface coating of inoxidizing coating has second anticorrosion coating, the surface coating of second anticorrosion coating has second anti-oxidant coating.

As the utility model discloses it is preferred, the quantity of reinforcing block is a plurality of, and a plurality of reinforcing block is annular evenly distributed.

As the utility model discloses preferred, first anticorrosion coating and second anticorrosion coating are anticorrosive coating, first anticorrosion coating and second anticorrosion coating's thickness is the same.

As the utility model discloses preferred, the inoxidizing coating is hot dipping aluminium zinc silicon alloy cladding material, the thickness of inoxidizing coating is greater than the thickness of second anticorrosion coating.

As the utility model discloses it is preferred, the material of reinforcing pipe and the material of reinforcing block all are the same with the material of body, the shape of reinforcing block is triangle-shaped.

As the utility model discloses preferred, first anti-oxidation coating and second are high temperature resistant anti-oxidation coating and make, first anti-oxidation coating and second are anti-oxidation coating's thickness the same.

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

1. the utility model discloses a set up body, reinforced pipe, reinforcing block, first anti-corrosion coating, first anti-oxidation coating, the inoxidizing coating, the cooperation of second anti-corrosion coating and second anti-oxidation coating is used to possess the advantage that anticorrosive effect is good, the corrosion protection performance of having solved current compound steel pipe still remains to be improved, in long-time use, the inner wall and the surface of compound steel pipe receive external environment's influence easily, the phenomenon of oxidative corrosion appears, can cause the problem that compound steel pipe life reduces and support intensity reduces.

2. The utility model discloses a quantity with the reinforcing block sets up to a plurality of, can make even the supporting tube and the body of a plurality of reinforcing block support.

3. The utility model discloses a set up first anticorrosive coating and second anticorrosive coating, can make the inner wall of body and the effectual increase of the anticorrosion effect on reinforced pipe surface, can the effectual life who improves the body, make the inner wall of body and the surface of reinforced pipe be difficult for receiving the corruption of external acid and alkali.

4. The utility model discloses a set up the inoxidizing coating, can make the corrosion protection nature and the effectual improvement of life on reinforced pipe surface, make the difficult phenomenon that takes place corrosion and fracture in surface of reinforced pipe.

5. The utility model discloses a material with the back up tube and the material of back up block all set up to the same with the material of body, when being convenient for the body takes shape with back up tube and back up block an organic whole take shape.

6. The utility model discloses a set up first anti oxidation coating and the anti oxidation coating of second, can effectively prevent oxygen to invade the inner wall of body and the surface of reinforced pipe, make the life further increase of body and reinforced pipe.

Drawings

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

FIG. 2 is an enlarged structural view of the point A in FIG. 1 according to the present invention;

fig. 3 is a perspective view of the structure-reinforced pipe of the present invention.

In the figure: 1. a pipe body; 2. reinforcing the pipe; 3. a reinforcing block; 4. a first corrosion protection coating; 5. a first oxidation resistant coating; 6. a protective layer; 7. a second corrosion protection coating; 8. a second oxidation resistant 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.

As shown in fig. 1 to 3, the composite steel pipe of the present invention comprises a pipe body 1;

the surface of body 1 is provided with reinforcing pipe 2, reinforcing pipe 2's inner wall fixedly connected with reinforcing block 3, reinforcing block 3 is close to one side of body 1 and is connected with the fixed surface of body 1, the inner wall coating of body 1 has first anticorrosion coating 4, the inner wall coating of first anticorrosion coating 4 has first anti-oxidant coating 5, reinforcing pipe 2's surface is provided with inoxidizing coating 6, the surface coating of inoxidizing coating 6 has second anticorrosion coating 7, the surface coating of second anticorrosion coating 7 has second anti-oxidant coating 8.

Referring to fig. 1, the number of the reinforcing blocks 3 is several, and the several reinforcing blocks 3 are uniformly distributed in a ring shape.

As a technical optimization scheme of the utility model, set up to a plurality of through the quantity with reinforcing block 3, can make 3 even supporting of a plurality of reinforcing block reinforcing pipe 2 and body 1.

Referring to fig. 1, the first and second

corrosion protection coatings

4 and 7 are both corrosion protection coatings, and the first and second

corrosion protection coatings

4 and 7 have the same thickness.

As a technical optimization scheme, through setting up first anticorrosion coating 4 and second anticorrosion coating 7, can make the effectual increase of the anticorrosion effect on the inner wall of body 1 and reinforced pipe 2 surface, can effectual improvement body 1's life, make the inner wall of body 1 and reinforced pipe 2's surface be difficult for receiving the corruption of external acid and alkali.

Referring to fig. 1, the protective layer 6 is a hot-dip aluminum-zinc-silicon alloy coating layer, and the thickness of the protective layer 6 is greater than that of the second corrosion protection coating layer 7.

As a technical optimization scheme of the utility model, through setting up inoxidizing coating 6, can make the corrosion resistance and the effectual improvement of life on reinforced pipe 2 surface, make reinforced pipe 2's the difficult phenomenon that takes place corrosion and fracture in surface.

Referring to fig. 1, the material of the reinforcing tube 2 and the material of the reinforcing block 3 are the same as the material of the tube body 1, and the shape of the reinforcing block 3 is triangular.

As the utility model discloses a technical optimization scheme, all set up to the same with the material of body 1 through the material with reinforced pipe 2 and the material of reinforcing block 3, be convenient for body 1 and reinforced pipe 2 and reinforcing block 3 integrated into one piece.

Referring to fig. 1, the first oxidation-resistant coating 5 and the second oxidation-resistant coating 8 are both made of high-temperature-resistant oxidation-resistant paint, and the first oxidation-resistant coating 5 and the second oxidation-resistant coating 8 have the same thickness.

As a technical optimization scheme of the utility model, through setting up first anti oxidation coating 5 and second anti oxidation coating 8, can effectively prevent oxygen to invade the inner wall of body 1 and the surface of reinforced pipe 2, make the life of body 1 and reinforced pipe 2 further increase.

The utility model discloses a theory of operation and use flow: when in use, the supporting strength of the pipe body 1 can be enhanced by arranging the reinforcing pipe 2 and the reinforcing block 3, the compressive strength of the pipe body 1 is effectively increased, the service life of the pipe body 1 is prolonged, the corrosion prevention effect of the inner wall of the pipe body 1 and the surface of the reinforcing pipe 2 can be effectively increased by arranging the first corrosion prevention coating 4 and the second corrosion prevention coating 7, the service life of the pipe body 1 can be effectively prolonged, the corrosion prevention effect of the inner wall of the pipe body 1 and the surface of the reinforcing pipe 2 can not be easily corroded by external acid and alkali, the corrosion prevention property and the service life of the surface of the reinforcing pipe 2 can be effectively improved by arranging the protective layer 6, the corrosion and cracking phenomena of the surface of the reinforcing pipe 2 can not be easily caused, the oxygen can be effectively prevented from invading the inner wall of the pipe body 1 and the surface of the reinforcing pipe 2 by arranging the first oxidation prevention coating 5 and the second oxidation prevention coating 8, the service lives of the pipe body 1 and the reinforcing pipe 2 can be further prolonged, thereby achieving the advantage of good corrosion prevention effect.

In summary, the following steps: this compound steel pipe that anticorrosive effect is good, through setting up body 1, add solid 2, add solid 3, first anticorrosion coating 4, first anti-oxidation coating 5, inoxidizing coating 6, the cooperation of the anti-oxidation coating 8 is used to the anti-corrosion coating 7 of second and second, thereby the advantage that anticorrosive effect is good has been possessed, the corrosion protection performance of having solved current compound steel pipe still remains to be improved, in long-time use, the inner wall and the surface of compound steel pipe receive external environment's influence easily, oxidation corrosion's phenomenon appears, can cause the problem that compound steel pipe life reduces and support intensity reduces.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 compound steel pipe that anticorrosive effect is good, includes body (1), its characterized in that: the surface of body (1) is provided with reinforcement pipe (2), the inner wall fixedly connected with reinforcement piece (3) of reinforcement pipe (2), one side that reinforcement piece (3) are close to body (1) is connected with the fixed surface of body (1), the inner wall coating of body (1) has first anticorrosion coating (4), the inner wall coating of first anticorrosion coating (4) has first anti-oxidant coating (5), the surface of reinforcement pipe (2) is provided with inoxidizing coating (6), the surface coating of inoxidizing coating (6) has second anticorrosion coating (7), the surface coating of second anticorrosion coating (7) has second anti-oxidant coating (8).

2. The composite steel pipe with good corrosion prevention effect according to claim 1, characterized in that: the number of the reinforcing blocks (3) is a plurality, and the plurality of reinforcing blocks (3) are uniformly distributed in an annular shape.

3. The composite steel pipe with good corrosion prevention effect according to claim 1, characterized in that: the first anti-corrosion coating (4) and the second anti-corrosion coating (7) are both anti-corrosion coatings, and the thicknesses of the first anti-corrosion coating (4) and the second anti-corrosion coating (7) are the same.

4. The composite steel pipe with good corrosion prevention effect according to claim 1, characterized in that: the protective layer (6) is a hot-dip aluminum-zinc-silicon alloy coating, and the thickness of the protective layer (6) is larger than that of the second anti-corrosion coating (7).

5. The composite steel pipe with good corrosion prevention effect according to claim 1, characterized in that: the material of reinforcing pipe (2) and the material of reinforcing block (3) all are the same with the material of body (1), the shape of reinforcing block (3) is triangle-shaped.

6. The composite steel pipe with good corrosion prevention effect according to claim 1, characterized in that: the first anti-oxidation coating (5) and the second anti-oxidation coating (8) are both made of high-temperature-resistant anti-oxidation paint, and the first anti-oxidation coating (5) and the second anti-oxidation coating (8) are the same in thickness.