CN213177118U

CN213177118U - Heat preservation RTP pipe

Info

Publication number: CN213177118U
Application number: CN202021135840.6U
Authority: CN
Inventors: 刘伟; 张伟; 尹镇喜
Original assignee: Nanjing Chenguang Composite Pipe Engineering Co ltd
Current assignee: Nanjing Chenguang Composite Pipe Engineering Co ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-05-11
Anticipated expiration: 2030-06-18

Abstract

The utility model discloses a heat preservation RTP pipe relates to RTP pipe design technical field, to the problem that current adaptation installation needs that can not be fine, the following scheme is put forward at present, and it includes the pipeline, one side of pipeline is connected with the connecting pipe, the protective layer that the symmetry set up is cup jointed to the outer wall of connecting pipe, the layer is pasted to the outer wall fixedly connected with of protective layer, paste the outer wall fixedly connected with on layer and the cup joint pipe that the pipeline cup jointed, the utility model discloses simple structure, convenient to use can adapt to different installation needs, makes things convenient for the installation of pipeline for the installation effectiveness reduces installation cost, guarantees going on of installation, can reach the temperature-insulated effect of multiple mode simultaneously, and the temperature in the diversified reduction pipeline gives off, reduces the coefficient of heat conduction of pipeline, guarantees homothermal liquid transportation as far as, reduces the energy consumption.

Description

Heat preservation RTP pipe

Technical Field

The utility model relates to a RTP pipe designs technical field, especially relates to a heat preservation RTP pipe.

Background

The heat preservation of the oil pipeline is one of important means for reducing energy consumption and ensuring the safe operation of the pipeline. The heat insulating material used by the pipeline is lime cotton, diatomite and vermiculite at first, and then is developed into slag cotton, glass cotton, perlite and the like, and the heat insulating effect, the water absorption and the construction conditions of the materials are not ideal enough. In the early seventies, along with the appearance of various novel materials, rigid polyurethane foam plastic is adopted for heat preservation of oil pipelines, and the material has the characteristics of small density, high specific strength, low heat conductivity coefficient, simple forming process and the like, so that the material is widely applied to various pipeline heat preservation projects.

The traditional heat preservation of oil pipelines is to lay pipelines firstly and then carry out heat preservation treatment on the laid pipelines, and polyurethane foaming heat preservation is generally carried out. Although the method has good heat preservation effect, the method increases the engineering quantity and the construction cost, and particularly has other inconveniences in offshore construction.

RTP tubes, being non-metallic continuous type tubes, have many advantages over metal tubes, such as: the RTP pipe is used as a non-metal pipeline, the heat insulation performance of the RTP pipe is greatly improved compared with that of a metal pipeline, but the RTP pipe needs heat insulation in the practical application process. The traditional heat preservation method of the RTP pipe is the same as that of a metal pipe, and polyurethane foaming heat preservation is carried out after a pipeline is laid.

The RTP pipe online heat preservation technology is characterized in that a proper heat preservation material is selected according to the actual situation of engineering, the thickness of the required heat preservation material is calculated according to the heat conduction coefficient of the heat preservation material and the actual engineering requirement, a heat preservation layer is produced along with the heat preservation material in the RTP production process, and the existing picture pipeline cannot be well selected according to the field requirement when being really used, and cannot be well preserved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of heat preservation RTP pipe has solved the problem that adaptation installation needs that can not be fine.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a heat preservation RTP pipe, includes the pipeline, one side of pipeline is connected with the connecting pipe, the protective layer that the symmetry set up has been cup jointed to the outer wall of connecting pipe, the layer is pasted to the outer wall fixedly connected with of protective layer, the cup joint pipe that the outer wall fixedly connected with on pasting the layer cup jointed with the pipeline.

Preferably, the pipeline includes the steel pipe of the innermost side, the first inner circle of outer wall fixedly connected with of steel pipe, the first enhancement layer of outer wall fixedly connected with of first inner circle, the outer wall fixedly connected with stabilizing layer of first enhancement layer, the outer wall fixedly connected with second enhancement layer of stabilizing layer, the outer wall of second enhancement layer is pasted and is had first protection ring, be provided with first reinforcing area in the first enhancement layer.

Preferably, the pipeline comprises an innermost solid pipe, the outer wall of the solid pipe is fixedly connected with a buffer layer, the outer wall of the buffer layer is fixedly connected with a second inner ring, the outer wall of the second inner ring is fixedly connected with a third enhancement layer, the outer wall of the third enhancement layer is adhered with a second protection ring, and a second enhancement belt is arranged in the third enhancement layer.

Preferably, the pipeline includes the honeycomb duct of the innermost side, the outer wall fixedly connected with articulamentum of honeycomb duct, the outer wall fixedly connected with third inner circle of articulamentum, the outer wall fixedly connected with fourth enhancement layer of third inner circle, the outer wall fixedly connected with a plurality of connecting rods of fourth enhancement layer, and the other end fixedly connected with retainer plate of connecting rod, the outer wall fixedly connected with anticorrosive coating of retainer plate, be provided with the third reinforcing area in the fourth enhancement layer.

Preferably, the pipeline comprises a plurality of innermost fourth inner rings, the outer walls of the fourth inner rings are fixedly connected with a coiled pipe, the outer side of the coiled pipe is provided with a filling pipe, the outer side of the filling pipe is fixedly connected with a third protection ring, and the filling pipe is filled with high-pressure liquid.

Preferably, the pipeline comprises a fifth inner ring at the innermost side, a fifth reinforcing layer is fixedly connected to the outer wall of the fifth inner ring, an outer ring is fixedly connected to the outer side of the fifth reinforcing layer, and a fourth reinforcing belt is connected in the fifth reinforcing layer.

The utility model has the advantages that:

1. through different pipeline designs, can adapt to different installation needs, make things convenient for the installation of pipeline to and follow-up stability of carrying for the installation effectiveness reduces installation cost.

2. Through the protection of multiple materials and the use of reinforcing area, can increase the wilfulness of device, improve the corrosion resistance of device, and then reduce the requirement to the installation, guarantee going on of installation.

3. Through the combination of different materials, can reach the effect that separates the temperature of multiple mode, temperature in the diversified reduction pipeline gives off, reduces the heat conduction coefficient of pipeline, guarantees homothermal liquid transport as far as, reduces the energy consumption.

Drawings

Fig. 1 is a schematic cross-sectional view of a connection front view of a thermal insulation RTP tube according to the present invention;

fig. 2 is a schematic front sectional view of an embodiment 1 of an insulation RTP tube according to the present invention;

fig. 3 is a schematic front sectional view of an embodiment 2 of an insulation RTP tube according to the present invention;

fig. 4 is a schematic front sectional view of an embodiment 3 of an insulation RTP tube according to the present invention;

fig. 5 is a schematic front sectional view of an embodiment 4 of an insulation RTP tube according to the present invention;

fig. 6 is a schematic front sectional view of an embodiment 5 of an insulation RTP tube according to the present invention.

Reference numbers in the figures: 1. a pipeline; 2. sleeving a pipe; 4. a bonding layer; 5. a protective layer; 6. a connecting pipe; 11. a second enhancement layer; 12. a stabilizing layer; 13. a first enhancement layer; 14. a first reinforcing tape; 15. a steel pipe; 16. a first retainer ring; 17. a first inner race; 21. a buffer layer; 22. a second inner race; 23. a rigid tube; 24. a third enhancement layer; 25. a second reinforcing tape; 26. a second guard circle; 31. a third inner race; 32. an anticorrosive layer; 33. a stationary ring; 34. a connecting rod; 35. a fourth enhancement layer; 36. a third reinforcing tape; 37. a flow guide pipe; 38. a connecting layer; 41. a fill tube; 42. a third guard circle; 43. encircling the pipe; 44. a high pressure liquid; 46. a fourth inner race; 51. a fifth inner ring; 52. a fifth enhancement layer; 53. a fourth reinforcing tape; 54. and an outer ring.

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.

Example 1

Referring to fig. 1 and 2, a heat preservation RTP pipe, including pipeline 1, one side of pipeline 1 is connected with connecting pipe 6, the protective layer 5 that the symmetry set up is cup jointed to the outer wall of connecting pipe 6, layer 4 is pasted to the outer wall fixedly connected with of protective layer 5, paste the outer wall fixedly connected with of layer 4 and the pipe 2 that pipeline 1 cup jointed, when the installation, heat protective layer 5 and pipe 2, make it to have certain melting, then cup joint the protective layer 5 of two symmetries on the outer wall of connecting pipe 6, make pipe 2 contact the outer wall of pipeline 1 to connect simultaneously, paste, then utilize other devices to guarantee being connected between pipe 2 and pipeline 1, wherein connecting pipe 6 can be from pipeline 1 department of peeling off partly, become solitary connecting pipe 6, adapt to the connection needs of different lengths.

The pipeline 1 comprises an innermost steel pipe 15, a first inner ring 17 is fixedly connected to the outer wall of the steel pipe 15, a first enhancement layer 13 is fixedly connected to the outer wall of the first inner ring 17, a stabilization layer 12 is fixedly connected to the outer wall of the first enhancement layer 13, a second enhancement layer 11 is fixedly connected to the outer wall of the stabilization layer 12, a first protection ring 16 is pasted to the outer wall of the second enhancement layer 11, and a first enhancement belt 14 is arranged in the first enhancement layer 13.

The first reinforcing layer 13 and the second reinforcing layer 11 are both made of high-density polyethylene, the first reinforcing belt 14 is made of aramid fiber, during production, the steel pipe 15 is used for bottoming, then the first inner ring 17, the first reinforcing layer 13, the stabilizing layer 12, the second reinforcing layer 11 and the first protection ring 16 are sequentially connected to the outer side of the steel pipe 15, production is completed, during working, if the steel pipe 15 is laid mainly in a straight line, rigidity of the whole pipeline can be guaranteed through the steel pipe 15, fixed installation is convenient to conduct, the metal pipeline can be used, the device can be prolonged to a certain extent, the reinforcing belt 14 can be provided with a device, double heat preservation can be conducted by means of the first reinforcing layer 13 and the second reinforcing layer 11, meanwhile, the device has certain elasticity, adaptation of the pipeline to a certain concave-convex position of the seabed is improved, and installation completion is guaranteed.

Example 2

Referring to fig. 1 and 3, a heat preservation RTP pipe, including pipeline 1, one side of pipeline 1 is connected with connecting pipe 6, the protective layer 5 that the symmetry set up is cup jointed to the outer wall of connecting pipe 6, layer 4 is pasted to the outer wall fixedly connected with of protective layer 5, paste the outer wall fixedly connected with of layer 4 and the pipe 2 that pipeline 1 cup jointed, when the installation, heat protective layer 5 and pipe 2, make it to have certain melting, then cup joint the protective layer 5 of two symmetries on the outer wall of connecting pipe 6, make pipe 2 contact the outer wall of pipeline 1 to connect simultaneously, paste, then utilize other devices to guarantee being connected between pipe 2 and pipeline 1, wherein connecting pipe 6 can be from pipeline 1 department of peeling off partly, become solitary connecting pipe 6, adapt to the connection needs of different lengths.

The pipeline 1 comprises an innermost firm pipe 23, a buffer layer 21 is fixedly connected to the outer wall of the firm pipe 23, a second inner ring 22 is fixedly connected to the outer wall of the buffer layer 21, a third reinforcing layer 24 is fixedly connected to the outer wall of the second inner ring 22, a second protective ring 26 is adhered to the outer wall of the third reinforcing layer 24, and a second reinforcing belt 25 is arranged in the third reinforcing layer 24.

The third enhancement layer 24 adopts the high density polyethylene material, the second enhancement belt 25 adopts the aramid fiber material, the firm pipe 23 guarantees the rigidity of the whole device, can adopt the plastic or metal material, when producing, use firm pipe 23 as the basement, then connect the second inner circle 22, the third enhancement layer 24 and the second guard circle 26 on firm pipe 23 in proper order, the second inner circle 22, the third enhancement layer 24 and the second guard circle 26 adopt extrusion molding generally, the third enhancement layer 24 carries out the effect of protecting against heat, the second enhancement belt 25 increases the holistic toughness of outer wall, guarantee the permanent use of pipeline.

Example 3

The pipeline 1 comprises an innermost guide pipe 37, a connecting layer 38 fixedly connected to the outer wall of the guide pipe 37, a third inner ring 31 fixedly connected to the outer wall of the connecting layer 38, a fourth reinforcing layer 35 fixedly connected to the outer wall of the third inner ring 31, a plurality of connecting rods 34 fixedly connected to the outer wall of the fourth reinforcing layer 35, a fixing ring 33 fixedly connected to the other end of each connecting rod 34, an anticorrosive layer 32 fixedly connected to the outer wall of the fixing ring 33, and a third reinforcing belt 36 arranged in the fourth reinforcing layer 35.

Fourth enhancement layer 35 adopts the high density polyethylene material, third enhancement area 36 adopts aramid fiber material, in production, with embodiment 2, connect up fourth enhancement layer 35, then a plurality of connecting rods in the outside butt fusion of fourth enhancement layer 35, make to form certain space between retainer plate 33 and the fourth enhancement layer 35, fill certain inert gas in this space or take out hollow processing, reduce giving off of temperature, pass through the work of fourth enhancement layer 35 simultaneously, guarantee that the temperature of whole pipeline scatters and reduces to certain level, in actual use, in the space that connecting rod 34 supported out, can alternate certain resistance wire, carry out the auxiliary heating, guarantee the stable invariant in the inside pipeline, guarantee the needs of work.

Example 4

Referring to fig. 1 and 4, a heat preservation RTP pipe, including pipeline 1, one side of pipeline 1 is connected with connecting pipe 6, the protective layer 5 that the symmetry set up is cup jointed to the outer wall of connecting pipe 6, layer 4 is pasted to the outer wall fixedly connected with of protective layer 5, paste the outer wall fixedly connected with of layer 4 and the pipe 2 that pipeline 1 cup jointed, when the installation, heat protective layer 5 and pipe 2, make it to have certain melting, then cup joint the protective layer 5 of two symmetries on the outer wall of connecting pipe 6, make pipe 2 contact the outer wall of pipeline 1 to connect simultaneously, paste, then utilize other devices to guarantee being connected between pipe 2 and pipeline 1, wherein connecting pipe 6 can be from pipeline 1 department of peeling off partly, become solitary connecting pipe 6, adapt to the connection needs of different lengths.

The pipeline 1 comprises a plurality of innermost fourth inner rings 46, a coiling pipe 43 is fixedly connected to the outer wall of each fourth inner ring 46, a filling pipe 41 is arranged on the outer side of the coiling pipe 43, a third protection ring 42 is fixedly connected to the outer side of the filling pipe 41, and high-pressure liquid 44 is filled in the filling pipe 41.

Fourth inner circle 46 adopts the high density polyethylene material, and retainer plate 43 adopts insulation material, carries out vacuum treatment in fourth inner circle 46 and retainer plate 43, reduces the air between the two, reduces giving off of temperature, then decides to fill highly compressed liquid between pipe 43 through filling tube 41 and circle, supports and completely cuts off, guarantees the pipeline at the during operation, and crooked that can be arbitrary adapts to different installation environment carries out certain temperature simultaneously and completely cuts off, reduces the temperature drop.

Example 5

Referring to fig. 1 and 5, a heat preservation RTP pipe, including pipeline 1, one side of pipeline 1 is connected with connecting pipe 6, the protective layer 5 that the symmetry set up is cup jointed to the outer wall of connecting pipe 6, layer 4 is pasted to the outer wall fixedly connected with of protective layer 5, paste the outer wall fixedly connected with of layer 4 and the pipe 2 that pipeline 1 cup jointed, when the installation, heat protective layer 5 and pipe 2, make it to have certain melting, then cup joint the protective layer 5 of two symmetries on the outer wall of connecting pipe 6, make pipe 2 contact the outer wall of pipeline 1 to connect simultaneously, paste, then utilize other devices to guarantee being connected between pipe 2 and pipeline 1, wherein connecting pipe 6 can be from pipeline 1 department of peeling off partly, become solitary connecting pipe 6, adapt to the connection needs of different lengths.

The pipeline 1 comprises an innermost fifth inner ring 51, a fifth reinforcing layer 52 is fixedly connected to the outer wall of the fifth inner ring 51, an outer ring 54 is fixedly connected to the outer side of the fifth reinforcing layer 52, and a fourth reinforcing belt 53 is connected to the inner side of the fifth reinforcing layer 52.

The fifth reinforcing layer 52 is made of high-density polyethylene, the fourth reinforcing belt 53 is made of aramid fiber, and compared with other embodiments, the novel composite material is simple and convenient to produce, production cost is reduced, meanwhile, the novel composite material can adapt to certain environmental change, and construction is facilitated.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a heat preservation RTP pipe, includes pipeline (1), its characterized in that, one side of pipeline (1) is connected with connecting pipe (6), protective layer (5) that the symmetry set up are cup jointed to the outer wall of connecting pipe (6), layer (4) are pasted to the outer wall fixedly connected with of protective layer (5), cup joint pipe (2) that the outer wall fixedly connected with of pasting layer (4) and pipeline (1) cup jointed.

2. The heat-preservation RTP pipe according to claim 1, wherein the pipeline (1) comprises an innermost steel pipe (15), a first inner ring (17) is fixedly connected to the outer wall of the steel pipe (15), a first reinforcing layer (13) is fixedly connected to the outer wall of the first inner ring (17), a stabilizing layer (12) is fixedly connected to the outer wall of the first reinforcing layer (13), a second reinforcing layer (11) is fixedly connected to the outer wall of the stabilizing layer (12), a first protective ring (16) is pasted to the outer wall of the second reinforcing layer (11), and a first reinforcing belt (14) is arranged in the first reinforcing layer (13).

3. The heat-preservation RTP pipe according to claim 1, wherein the pipeline (1) comprises an innermost rigid pipe (23), a buffer layer (21) is fixedly connected to the outer wall of the rigid pipe (23), a second inner ring (22) is fixedly connected to the outer wall of the buffer layer (21), a third reinforcement layer (24) is fixedly connected to the outer wall of the second inner ring (22), a second protection ring (26) is adhered to the outer wall of the third reinforcement layer (24), and a second reinforcement belt (25) is arranged in the third reinforcement layer (24).

4. The heat-preservation RTP pipe according to claim 1, wherein the pipeline (1) comprises an innermost flow guide pipe (37), a connecting layer (38) is fixedly connected to the outer wall of the flow guide pipe (37), a third inner ring (31) is fixedly connected to the outer wall of the connecting layer (38), a fourth reinforcing layer (35) is fixedly connected to the outer wall of the third inner ring (31), a plurality of connecting rods (34) are fixedly connected to the outer wall of the fourth reinforcing layer (35), a fixing ring (33) is fixedly connected to the other end of each connecting rod (34), an anticorrosive layer (32) is fixedly connected to the outer wall of the fixing ring (33), and a third reinforcing belt (36) is arranged in the fourth reinforcing layer (35).

5. The heat-preservation RTP pipe according to claim 1, wherein the pipeline (1) comprises a plurality of innermost fourth inner rings (46), a confining pipe (43) is fixedly connected to the outer wall of each fourth inner ring (46), a filling pipe (41) is arranged on the outer side of each confining pipe (43), a third protection ring (42) is fixedly connected to the outer side of each filling pipe (41), and high-pressure liquid (44) is filled in each filling pipe (41).

6. An insulated RTP tube according to claim 1, wherein the tube (1) comprises an innermost fifth inner ring (51), a fifth reinforcement layer (52) is fixedly connected to the outer wall of the fifth inner ring (51), an outer ring (54) is fixedly connected to the outer side of the fifth reinforcement layer (52), and a fourth reinforcement strip (53) is connected to the inner side of the fifth reinforcement layer (52).