CN217463533U - Double-sided submerged arc straight welded pipe - Google Patents

Abstract

The utility model discloses a two-sided submerged arc longitudinal welded pipe, including welded pipe mechanism, the inner chamber coating of welded pipe mechanism has anticorrosive wear-resisting mechanism, the outside coating of welded pipe mechanism has first corrosion resistant layer, the outside glue on first corrosion resistant layer has the functional layer, welded pipe mechanism includes the welded pipe body, the fixed surface of welded pipe body is connected with the welding seam, anticorrosive wear-resisting mechanism includes the second anti-corrosion coating, the inboard coating of second anti-corrosion coating has the wearing layer. The utility model discloses a setting up and welding pipe mechanism, welded pipe body, welding seam, functional layer, first corrosion resistant layer, anticorrosive wear-resisting mechanism, second anti-corrosion coating, wearing layer, oxidation resisting layer, heat preservation, aluminium foil layer, flame retardant coating, puigging and buffer layer's cooperation and using, it is better to possess anticorrosive wear resistance, and increase of service life possesses buffering and heat preservation function, avoids taking place deformation, can be to the advantage that liquid heat preservation was carried.

Description

Double-sided submerged arc straight welded pipe

Technical Field

The utility model relates to a longitudinal welded pipe technical field specifically is a two-sided submerged arc longitudinal welded pipe.

Background

Straight welded pipes, pipes obtained by straight welding of steel pipes made of hot-rolled or cold-rolled steel sheets or steel strip coils on welding equipment, are called straight welded pipes (named because the welded parts of the steel pipes are straight), and have different subsequent production processes according to different applications (roughly divided into scaffold pipes, fluid pipes, wire casings, stand pipes, guardrail pipes and the like), and are one of the straight welded pipes in the standard GB/T3091-2008, while low-pressure fluid welded pipes are one of the straight welded pipes, and generally use water and gas for conveying.

The straight seam steel pipe is mainly applied to water works, petrochemical industry, chemical industry, electric power industry, agricultural irrigation and urban construction, and it is very extensive to use, and current straight seam welded pipe structure is comparatively simple, and anticorrosive wear resistance is not good, leads to life shorter, does not possess buffering and heat preservation function moreover, and the welded tube receives the foreign object striking deformation of taking place easily like this, can not carry out heat preservation to intraductal liquid simultaneously and carry.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two-sided submerged arc straight welded pipe, it is better to possess anticorrosive wear resistance, and increase of service life possesses buffering and heat preservation function, avoids taking place deformation, can keep warm the advantage of carrying to liquid, has solved current straight welded pipe anticorrosive wear resistance not good, leads to life shorter, does not possess buffering and heat preservation function, takes place deformation easily, can not carry out the problem of carrying on keeping warm to intraductal liquid.

In order to achieve the above object, the utility model provides a following technical scheme: the double-sided submerged arc straight welded pipe comprises a welded pipe mechanism, wherein an inner cavity of the welded pipe mechanism is coated with an anti-corrosion and wear-resistant mechanism, the outer side of the welded pipe mechanism is coated with a first corrosion-resistant layer, and a functional layer is adhered to the outer side of the first corrosion-resistant layer.

Preferably, the welded pipe mechanism comprises a welded pipe body, and a welding line is fixedly connected to the surface of the welded pipe body.

Preferably, the anticorrosion and wear-resistant mechanism comprises a second anticorrosion layer, the inner side of the second anticorrosion layer is coated with a wear-resistant layer, the first anticorrosion layer and the second anticorrosion layer are both epoxy zinc-rich primer coatings, and the wear-resistant layer is a metal fluorocarbon paint coating.

Preferably, the functional layer comprises a buffer layer, a heat insulation layer is glued to the outer side of the buffer layer, a sound insulation layer is glued to the outer side of the heat insulation layer, a fireproof layer is glued to the outer side of the sound insulation layer, an aluminum foil layer is glued to the outer side of the fireproof layer, and an oxidation resistant layer is coated on the outer side of the aluminum foil layer.

Preferably, the buffer layer is the cushion rubber pad material, the heat preservation is the cotton material of glass, the puigging is the sound insulation blanket material, the flame retardant coating is the fire prevention rock wool material, the antioxidation layer is epoxy coal pitch lacquer material.

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

the utility model discloses a setting up and welding pipe mechanism, welded pipe body, welding seam, functional layer, first corrosion resistant layer, anticorrosive wear-resisting mechanism, second anti-corrosion coating, wearing layer, oxidation resisting layer, heat preservation, aluminium foil layer, flame retardant coating, puigging and buffer layer's cooperation and using, it is better to possess anticorrosive wear resistance, and increase of service life possesses buffering and heat preservation function, avoids taking place deformation, can be worth promoting to the advantage that liquid keeps warm and carries.

Drawings

FIG. 1 is an isometric view of the structure of the present invention;

FIG. 2 is a cross-sectional perspective view of a partial structure of the present invention;

figure 3 is a cut-away axonometric view of the functional layer of the present invention.

In the figure: 1 welded tube mechanism, 2 welded tube bodies, 3 welding seams, 4 functional layers, 5 first corrosion-resistant layers, 6 corrosion-resistant and wear-resistant mechanisms, 7 second corrosion-resistant layers, 8 wear-resistant layers, 9 oxidation-resistant layers, 10 heat-insulating layers, 11 aluminum foil layers, 12 fireproof layers, 13 sound-insulating layers and 14 buffer layers.

Detailed Description

Referring to fig. 1-3, a double-sided submerged arc straight welded pipe comprises a pipe welding mechanism 1, an inner cavity of the pipe welding mechanism 1 is coated with an anti-corrosion and wear-resistant mechanism 6, the outer side of the pipe welding mechanism 1 is coated with a first anti-corrosion layer 5, and a functional layer 4 is glued on the outer side of the first anti-corrosion layer 5;

the welded pipe mechanism 1 comprises a welded pipe body 2, and a welding line 3 is fixedly connected to the surface of the welded pipe body 2;

the corrosion-resistant and wear-resistant mechanism 6 comprises a second corrosion-resistant layer 7, the inner side of the second corrosion-resistant layer 7 is coated with a wear-resistant layer 8, the first corrosion-resistant layer 5 and the second corrosion-resistant layer 7 are both epoxy zinc-rich primer coatings, and the wear-resistant layer 8 is a metal fluorocarbon paint coating;

the functional layer 4 comprises a buffer layer 14, a heat insulation layer 10 is glued on the outer side of the buffer layer 14, a sound insulation layer 13 is glued on the outer side of the heat insulation layer 10, a fireproof layer 12 is glued on the outer side of the sound insulation layer 13, an aluminum foil layer 11 is glued on the outer side of the fireproof layer 12, and an oxidation resistant layer 9 is coated on the outer side of the aluminum foil layer 11;

the buffer layer 14 is made of a buffer rubber mat material, the heat insulation layer 10 is made of glass wool, the sound insulation layer 13 is made of a sound insulation blanket material, the fireproof layer 12 is made of fireproof rock wool, and the antioxidation layer 9 is made of epoxy coal asphalt paint;

the antioxidation performance of the functional layer 4 can be improved and the service life can be prolonged by arranging the antioxidation layer 9;

by arranging the aluminum foil layer 11, the internal structure of the functional layer 4 can be protected;

by providing the soundproof layer 13, noise generated in the process of transporting liquid in the pipe can be reduced.

During the use, through setting up wearing layer 8, can effectively reduce the wearing and tearing of material butt weld inside pipe wall, through setting up first corrosion resistant layer 5 and second corrosion resistant layer 7, can improve the corrosion resisting property of welded tube surface and internal surface, can prolong the life who welds the pipe like this, through setting up buffer layer 14, can play the shock-absorbing capacity to the welded tube, prevent to damage because of receiving the foreign object striking, through setting up heat preservation 10, can carry liquid heat preservation.

In summary, the following steps: this two-sided submerged arc straight welded pipe, through welded pipe mechanism 1, welded pipe body 2, welding seam 3, functional layer 4, first corrosion resistant layer 5, anticorrosive wear-resisting mechanism 6, second anti-corrosion coating 7, wearing layer 8, oxidation resisting layer 9, heat preservation 10, aluminium foil layer 11, flame retardant coating 12, puigging 13 and buffer layer 14's cooperation is used, it is not good to have solved current straight welded pipe anticorrosive wear resistance, lead to life shorter, do not possess buffering and heat preservation function, deformation takes place easily, unable problem to keep warm the intraductal liquid and carry.

Claims (5)

1. The utility model provides a two-sided submerged arc longitudinal welded pipe, includes welded tube mechanism (1), its characterized in that: the inner cavity of the welded pipe mechanism (1) is coated with an anti-corrosion and wear-resistant mechanism (6), the outer side of the welded pipe mechanism (1) is coated with a first anti-corrosion layer (5), and the outer side of the first anti-corrosion layer (5) is glued with a functional layer (4).

2. The double-sided submerged arc straight welded pipe according to claim 1, wherein: the welded pipe mechanism (1) comprises a welded pipe body (2), and a welding line (3) is fixedly connected to the surface of the welded pipe body (2).

3. The double-sided submerged arc straight welded pipe according to claim 1, wherein: the anti-corrosion and wear-resistant mechanism (6) comprises a second anti-corrosion layer (7), the inner side of the second anti-corrosion layer (7) is coated with a wear-resistant layer (8), the first anti-corrosion layer (5) and the second anti-corrosion layer (7) are epoxy zinc-rich primer coatings, and the wear-resistant layer (8) is a metal fluorocarbon paint coating.

4. The double-sided submerged arc straight welded pipe according to claim 1, wherein: the functional layer (4) comprises a buffer layer (14), a heat insulation layer (10) is glued to the outer side of the buffer layer (14), a sound insulation layer (13) is glued to the outer side of the heat insulation layer (10), a fire protection layer (12) is glued to the outer side of the sound insulation layer (13), an aluminum foil layer (11) is glued to the outer side of the fire protection layer (12), and an oxidation resistant layer (9) is coated to the outer side of the aluminum foil layer (11).

5. The double-sided submerged arc straight welded pipe according to claim 4, wherein: buffer layer (14) are the cushion rubber pad material, heat preservation (10) are the cotton material of glass, puigging (13) are the sound insulating blanket material, flame retardant coating (12) are the fire prevention rock wool material, oxidation resisting layer (9) are epoxy coal pitch lacquer material.

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