CN212510022U

CN212510022U - Spiral welded pipe for long-distance high-pressure fluid

Info

Publication number: CN212510022U
Application number: CN202020641461.8U
Authority: CN
Inventors: 曲兆丰
Original assignee: TIANJIN BAOFENG STEEL PIPE PLANT
Current assignee: TIANJIN BAOFENG STEEL PIPE PLANT
Priority date: 2020-04-25
Filing date: 2020-04-25
Publication date: 2021-02-09
Anticipated expiration: 2030-04-25

Abstract

The utility model provides a spiral welded tube for remote high-pressure fluid. A spiral welded pipe for remote high-pressure fluid includes body and heat dissipation mechanism, and the pipe box has been cup jointed to the outside of body, forms the heat dissipation chamber between pipe box and the body, and heat dissipation mechanism includes intake pipe, outlet duct and spacer, and intake pipe fixed mounting is on the one end lateral wall of pipe box, and outlet duct fixed mounting is on the other end lateral wall of pipe box, and the one end fixed mounting that the pipe box was kept away from to the intake pipe has the air-blower, and spacer fixed mounting is on the inside outer wall of pipe box is arranged in to the body, and. The utility model provides a spiral welded pipe for remote high-pressure fluid has and to dispel the heat the cooling in the face of pipeline inside when the high-pressure fluid is carried to the spiral pipeline, improves pipeline life's advantage.

Description

Spiral welded pipe for long-distance high-pressure fluid

Technical Field

The utility model relates to the technical field of pipeline, especially, relate to a spiral welded pipe for remote high-pressure fluid.

Background

The spiral welded pipe is made up by rolling the steel band of low-carbon or low-alloy structural steel into pipe blank according to a certain spiral angle (called forming angle) and seam-welding the pipe blank.

The spiral pipeline is generally buried underground and used for conveying tap water or petroleum and the like, the internal temperature of the pipeline can gradually rise when the pipeline is conveyed for a long time due to high fluid pressure, and most of the existing spiral pipelines do not have a heat dissipation function.

Therefore, it is necessary to provide a spiral welded pipe for remote high-pressure fluid to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a can be in the face of the inside cooling that dispels the heat of pipeline when the high-pressure fluid of helical tube way transport, improve pipeline life's a spiral welded tube for remote high-pressure fluid.

In order to solve the technical problem, the utility model provides a spiral welded pipe for remote high-pressure fluid includes: the heat dissipation device comprises a pipe body, wherein a pipe sleeve is sleeved outside the pipe body, and a heat dissipation cavity is formed between the pipe sleeve and the pipe body;

the heat dissipation mechanism comprises an air inlet pipe, an air outlet pipe and a spacer, the air inlet pipe is fixedly mounted on one end side wall of the pipe sleeve, the air outlet pipe is fixedly mounted on the other end side wall of the pipe sleeve, an air blower is fixedly mounted at one end, far away from the pipe sleeve, of the air inlet pipe, the spacer is fixedly mounted on the outer wall, inside the pipe sleeve, of the pipe body, and the spacer is of a spiral structure.

Preferably, the pipe body comprises a stainless steel layer, a polypropylene film layer and a 3PE heat-shrinkable layer, the polypropylene film layer is arranged on the inner wall of the stainless steel layer, the 3PE heat-shrinkable layer is arranged on the outer wall of the stainless steel layer, the polypropylene film layer is arranged on the inner wall of the stainless steel layer and has high heat resistance, and the 3PE heat-shrinkable layer is arranged on the outer wall of the stainless steel layer and has high corrosion resistance.

Preferably, the spacer is a copper heat sink, and copper has high heat dissipation performance, thereby improving the heat dissipation efficiency of the spacer contacting the pipe body.

Preferably, the side wall of the spacer is provided with radiating holes distributed at equal intervals, so that the radiating efficiency of the radiating spacer is improved.

Preferably, the air inlet pipe and the air outlet pipe are fixedly provided with air valves outside, and the air valves are opened to facilitate the replacement of hot air inside the pipe sleeve.

Compared with the prior art, the utility model provides a spiral welded pipe for remote high-pressure fluid has following beneficial effect:

the utility model provides a spiral welded pipe for remote high-pressure fluid when the spiral welded pipe carries high-pressure fluid for a long time, aerify to intake pipe inside through the air-blower, discharge the inside steam of pipe box from the outlet duct for the inside air velocity of pipe box, and further improve the radiating rate of body through the copper fin, thereby can be in the face of the inside cooling that dispels the heat of pipeline when spiral pipeline carries high-pressure fluid, improve pipeline life.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of the present invention for a spiral welded pipe for remote high pressure fluid;

FIG. 2 is a schematic view of the internal structure of the pipe sleeve shown in FIG. 1;

fig. 3 is a schematic cross-sectional view of the tube shown in fig. 1.

Reference numbers in the figures: 1. the heat dissipation device comprises a pipe body, 11, a stainless steel layer, 12, a polypropylene film layer, 23, a 3PE heat shrinkage layer, 2, a pipe sleeve, 3, a heat dissipation mechanism, 31, an air inlet pipe, 32, an air outlet pipe, 33, a spacer, 4, an air valve, 5, heat dissipation holes, 6 and a heat dissipation cavity.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Referring to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a spiral welded pipe for remote high-pressure fluid according to the present invention; FIG. 2 is a schematic view of the internal structure of the pipe sleeve shown in FIG. 1; fig. 3 is a schematic cross-sectional view of the tube shown in fig. 1. A spiral welded pipe for remote high pressure fluids comprising: the pipe comprises a pipe body 1 and a heat dissipation mechanism 3, wherein a pipe sleeve 2 is sleeved outside the pipe body 1, and a heat dissipation cavity 6 is formed between the pipe sleeve 2 and the pipe body 1.

In the specific implementation process, as shown in fig. 1 and 2, the heat dissipation mechanism 3 includes an air inlet pipe 31, an air outlet pipe 32 and a spacer 33, the air inlet pipe 31 is fixedly installed on one end side wall of the pipe sleeve 2, the air outlet pipe 32 is fixedly installed on the other end side wall of the pipe sleeve 2, one end of the air inlet pipe 31, which is far away from the pipe sleeve 2, is fixedly installed with an air blower, the spacer 33 is fixedly installed on the outer wall of the pipe body 1, which is arranged inside the pipe sleeve 2, and the spacer 33.

It should be noted that: when the heat dissipation needs to be carried out inside the pipe body 1, the air blower is turned on, the outside cold air is introduced into the pipe sleeve 2 through the air inlet pipe 31, the cold air is discharged from the air outlet pipe 32 after the air inside the pipe sleeve 2 moves away, and therefore the cold air is circulated continuously, the spacer 33 of the spiral structure can block the air flow inside the pipe sleeve 2, the air flow is made to move back and forth inside the pipe sleeve 2 in a spiral trend, the air flow moving distance is increased, and the heat exchange speed inside the pipe sleeve 2 is increased.

Referring to fig. 3, the pipe body 1 is composed of a stainless steel layer 11, a polypropylene film layer 12 and a 3PE heat-shrinkable layer 13, the polypropylene film layer 12 is disposed on the inner wall of the stainless steel layer 11, the 3PE heat-shrinkable layer 13 is disposed on the outer wall of the stainless steel layer 11, the polypropylene film layer 12 on the inner wall of the stainless steel layer 11 has high heat resistance, and the 3PE heat-shrinkable layer 13 on the outer wall of the stainless steel layer 11 has high corrosion resistance.

Referring to fig. 2, the spacer 33 is a copper heat sink.

The side wall of the spacer 33 is provided with heat dissipation holes 5 distributed at equal intervals.

It should be noted that: copper has fine thermal diffusivity, so spacer 33 offsets with body 1 outside not only can lead the air current and can also dispel the heat, and louvre 5 on spacer 33 can further improve spacer 33's radiating efficiency.

Referring to fig. 1, the air valve 4 is fixedly installed outside the air inlet pipe 31 and the air outlet pipe 32, and the hot air inside the pipe sleeve 2 can be replaced by opening the air valve 4 through the air inlet pipe 31 and the air outlet pipe 32.

The utility model provides a theory of operation for remote high-pressure fluid's spiral welded tube as follows:

after the high-pressure fluid is carried for a long time at spiral welded pipe, need dispel the heat to body 1 inside, open the air-blower and pass through intake pipe 31 to the inside external cold gas that lets in of pipe box 2, thereby constantly circulate from outlet duct 32 discharge after the inside trip of pipe box 2, helical structure's spacer 33 can block the inside air current of sleeve pipe 2, make the air current be the spiral trend and shuttle in pipe box 2 inside, improve the air current displacement distance, thereby improve the inside heat exchange speed of pipe box 2, and copper has fine thermal diffusivity, so spacer 33 can lead not only can also can dispel the heat the air current with body 1 outside counterbalance, and louvre 5 on spacer 33 can further improve the radiating efficiency of spacer 33, thereby can dispel the heat the cooling in the face of inside the pipeline when the high-pressure fluid is carried to the spiral pipeline, improve pipeline life.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A helically welded tube for remote high pressure fluid application, comprising:

the heat dissipation device comprises a pipe body (1), wherein a pipe sleeve (2) is sleeved outside the pipe body (1), and a heat dissipation cavity (6) is formed between the pipe sleeve (2) and the pipe body (1);

heat dissipation mechanism (3), heat dissipation mechanism (3) include intake pipe (31), outlet duct (32) and spacer (33), intake pipe (31) fixed mounting is on the one end lateral wall of pipe box (2), outlet duct (32) fixed mounting is on the other end lateral wall of pipe box (2), the one end fixed mounting that pipe box (2) were kept away from in intake pipe (31) has the air-blower, spacer (33) fixed mounting is on pipe body (1) arranges the inside outer wall of pipe box (2) in, just spacer (33) are helical structure.

2. The spiral welded pipe for remote high-pressure fluid according to claim 1, wherein the pipe body (1) is composed of a stainless steel layer (11), a polypropylene film layer (12) and a 3PE heat-shrinkable layer (13), the inner wall of the stainless steel layer (11) is provided with the polypropylene film layer (12), and the outer wall of the stainless steel layer (11) is provided with the 3PE heat-shrinkable layer (13).

3. The helically welded tube for remote high pressure fluid of claim 1, wherein said spacer (33) is a copper fin.

4. The spiral welded pipe for remote high-pressure fluid according to claim 1, wherein the spacer (33) has heat dissipation holes (5) formed in the sidewall thereof and distributed at equal intervals.

5. The spiral welded pipe for remote high-pressure fluid according to claim 1, wherein the gas valves (4) are fixedly arranged outside the gas inlet pipe (31) and the gas outlet pipe (32).