CN213541553U

CN213541553U - Antirust steel pipe for building

Info

Publication number: CN213541553U
Application number: CN202021887537.1U
Authority: CN
Inventors: 韩美云
Original assignee: Shanghai Zhuojing Electronic System Engineering Co ltd
Current assignee: Shanghai Zhuojing Electronic System Engineering Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-06-25
Anticipated expiration: 2030-09-02

Abstract

The utility model discloses an antirust steel pipe for building, including the steel pipe body, the surface coating of steel pipe body has anti-corrosion coating, anti-corrosion coating's outside is provided with the antirust coat, the inboard of antirust coat and the surface coating that is located anti-corrosion coating have the zinc-based coating. The utility model discloses an increase the corrosion resisting property that anti-corrosion coating can strengthen the steel pipe on the surface of steel pipe, outside antirust coat adopts zinc resin coating to make simultaneously, good antirust property has, guarantee that the steel pipe surface can not produce the corrosion, avoid the paint layer on surface to take place for a long time to drop, the whole quality of steel pipe has been strengthened, and inside inner sheath of steel pipe and antioxidation layer can be isolated to the outside air, avoid inside paint layer and the long-time oxidation that takes place of air contact, inner sheath adopts antirust material to make, can prevent that the inner wall from producing the corrosion, through mutually supporting the all-round protection of steel pipe with outside antirust coat.

Description

Antirust steel pipe for building

Technical Field

The utility model relates to a steel pipe technical field specifically is a rust-resistant steel pipe for building.

Background

The building steel can be generally divided into steel for steel structures and steel bars for reinforced concrete structures, the steel for steel structures mainly comprises common carbon structural steel and low-alloy structural steel, and the varieties comprise section steel, steel pipes and steel bars, the section steel comprises angle steel, I-shaped steel and channel steel, and the steel bars for reinforced concrete structures can be divided into the following parts according to the processing method: hot rolling steel bars, heat treating steel bars, cold drawing low carbon steel wires and steel stranded wires; can be divided into plain steel bars and screw threads according to the surface shape; the steel can be classified into low-carbon steel, medium-carbon steel, high-carbon steel, alloy steel and the like according to the variety of steel, and the steel pipe used in the building construction process can generate corrosion on the surface after being placed for a long time, and can cause the paint layer on the surface to fall off in severe cases, thereby influencing the use quality of the steel pipe.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an antirust steel pipe for building possesses rust-resistant advantage, has solved the steel pipe that uses in the building work progress and has placed the surface for a long time and can produce the corrosion, can lead to the problem that the surface paint layer drops when serious.

In order to achieve the above object, the utility model provides a following technical scheme: the anti-rust steel pipe for the building comprises a steel pipe body, wherein an anti-corrosion layer is coated on the outer surface of the steel pipe body, an anti-rust layer is arranged outside the anti-corrosion layer, a zinc-based coating is coated on the inner side of the anti-rust layer and the surface of the anti-corrosion layer, a high-temperature-resistant layer is coated on the surface of the zinc-based coating, and a reinforcing layer is coated on the surface of the high-temperature-resistant layer.

Preferably, the inner wall of the steel pipe body is coated with an anti-oxidation layer, and the outer part of the anti-oxidation layer is coated with an inner protection layer.

Preferably, the surface of the inner protective layer is sprayed with a waterproof layer.

Preferably, the corrosion protection layer is made of an epoxy zinc-rich material.

Preferably, the rust-proof layer is made of a zinc resin coating, and wear-resistant particles are added inside.

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

1. the utility model discloses an increase the corrosion resisting property that anti-corrosion coating can strengthen the steel pipe on the surface of steel pipe, outside antirust coat adopts zinc resin coating to make simultaneously, good antirust property has, guarantee that the steel pipe surface can not produce the corrosion, avoid the paint layer on surface to take place to drop for a long time, the whole quality of steel pipe has been strengthened, and inside inner sheath and the antioxidation layer of steel pipe can be isolated to the outside air, avoid the long-time oxidation that takes place of inside lacquer layer and air contact, inner sheath adopts antirust material to make, can prevent that the inner wall from producing the corrosion, through mutually supporting to steel pipe all-round protection with outside antirust coat, the steel pipe long-time placing surface who uses in the building construction process can produce the corrosion simultaneously, can lead to the problem that the surface lacquer layer drops when serious.

2. The utility model discloses a high temperature resistance of steel pipe can be strengthened on inside high temperature resistant layer, can not produce deformation under the high temperature state when using, has strengthened structural strength.

Drawings

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

FIG. 2 is a sectional view of the inner side connecting structure of the antirust layer of the present invention;

fig. 3 is a schematic view of the structure of the anti-oxidation layer of the present invention.

In the figure: 1. a steel pipe body; 2. an anti-corrosion layer; 3. a rust-proof layer; 4. a zinc-based coating; 5. a high temperature resistant layer; 6. a reinforcing layer; 7. an anti-oxidation layer; 8. an inner sheath 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.

In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1 to 3, an antirust steel pipe for construction includes a steel pipe body 1, an inner wall of the steel pipe body 1 is coated with an antioxidation layer 7, an outer portion of the antioxidation layer 7 is coated with an inner protection layer 8, a surface of the inner protection layer 8 is sprayed with a waterproof layer, an outer surface of the steel pipe body 1 is coated with an anti-corrosion layer 2, the anti-corrosion layer 2 is made of an epoxy zinc-rich material, an outer portion of the anti-corrosion layer 2 is provided with the antirust layer 3, the antirust layer 3 is made of a zinc resin coating and internally added with wear-resistant particles, an inner side of the antirust layer 3 and a surface of the anti-corrosion layer 2 are coated with a zinc-based coating 4, a surface of the zinc-based coating 4 is coated with a high temperature resistant layer 5, the high temperature resistant layer 5 inside can enhance the high temperature resistance of the steel pipe, no deformation is generated when the steel pipe is used at a high temperature state, the structural strength is enhanced, a surface of the high, while outside antirust coat 3 adopts zinc resin coating to make, good antirust property has, guarantee that steel pipe surface can not produce the corrosion, avoid the paint layer on surface to take place for a long time to drop, the whole quality of steel pipe has been strengthened, and inside inner sheath 8 of steel pipe can be isolated to the outside air with oxidation resistant layer 7, avoid the long-time oxidation that takes place of inside paint layer and air contact, inner sheath 8 adopts antirust material to make, can prevent that the inner wall from producing the corrosion, through mutually supporting to steel pipe all-round protection with outside antirust coat 3, the steel pipe that has solved simultaneously and used in the building construction process is placed the surface for a long time and can be produced and produce, can lead to the problem that the surface paint layer drops during serious corrosion.

The standard parts used in this document are commercially available, all the components in this document are customized according to the description of the specification and the drawings, and the connection relationship and specific structure between the layers in this document are all performed by the prior art, such as by mechanical methods, by adhesives, by various welding methods such as thermal welding, ultrasonic welding, flux, welding, and fusion crimping, and no specific description is made here.

During the use, can strengthen the corrosion resisting property of steel pipe through increase anti-corrosion coating 2 on the surface of steel pipe, outside antirust coat 3 adopts zinc resin coating to make simultaneously, good antirust property has, guarantee that the steel pipe surface can not produce the corrosion, avoid the paint layer on surface to take place to drop for a long time, the whole quality of steel pipe has been strengthened, and inside inner sheath 8 and the antioxidation layer 7 of steel pipe can be isolated to the outside air, avoid inside paint layer and the long-time oxidation that takes place of air contact, inner sheath 8 adopts antirust material to make, can prevent that the inner wall from producing the corrosion, through mutually supporting the all-round protection of steel pipe with outside antirust coat 3, the high temperature resistance of steel pipe can be strengthened through inside high temperature resistant layer 5, can not produce deformation under the high temperature state during the use, structural strength has been strengthened.

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 an antirust steel pipe for building, includes steel pipe body (1), its characterized in that: the outer surface of the steel pipe body (1) is coated with an anti-corrosion layer (2), the outer part of the anti-corrosion layer (2) is provided with an anti-corrosion layer (3), the inner side of the anti-corrosion layer (3) and the surface of the anti-corrosion layer (2) are coated with a zinc-based coating (4), the surface of the zinc-based coating (4) is coated with a high temperature resistant layer (5), and the surface of the high temperature resistant layer (5) is coated with a reinforcing layer (6).

2. The rust-preventive steel pipe for construction according to claim 1, characterized in that: the inner wall coating of steel pipe body (1) has antioxidation layer (7), the outside coating of antioxidation layer (7) has interior sheath (8).

3. The rust-preventive steel pipe for construction according to claim 2, characterized in that: and a waterproof layer is sprayed on the surface of the inner protection layer (8).

4. The rust-preventive steel pipe for construction according to claim 1, characterized in that: the anti-corrosion layer (2) is made of epoxy zinc-rich material.

5. The rust-preventive steel pipe for construction according to claim 1, characterized in that: the anti-rust layer (3) is made of zinc resin coating, and wear-resistant particles are added inside the anti-rust layer.