Flat arc pipe-shaped heat tracing oil conveying pipe
By installing a flat arc-shaped heat tracing structure inside the oil pipeline and an external heat insulation, reflection, and heat preservation layer, the problems of heat loss and pipeline corrosion are solved, achieving efficient heat transfer and pipeline protection.
Patent Information
- Application Number
- CN202520589558.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-01
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-04-01
AI Technical Summary
Existing oil pipelines are usually designed as double-layered pipes, which leads to some heat loss during heat transfer, and the exposed heat tracing pipes are susceptible to damage and corrosion.
It adopts a flat arc tube structure, with a first heat tracing pipe and a second heat tracing pipe inside, and an external heat insulation layer, a reflective layer and a heat preservation layer, to increase the contact area between the hot oil and the oil liquid, prevent heat from being transferred to the outside, and improve the heat preservation effect.
Significantly reduces heat loss, improves heat tracing effect, and prevents heat tracing pipes from being damaged and corroded in the external environment.
Smart Images
Figure CN223754956U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to oil pipeline technical field, concretely is a kind of flat arc pipe shape heat tracing oil pipeline. BACKGROUND
[0002] Oil pipeline is used to transport petroleum, natural gas and other petroleum products pipeline, in the petroleum industry and energy transmission field has vital role, usually by high-strength metal material such as carbon steel, stainless steel is made, also part adopts corrosion-resistant plastic or composite material, metal pipeline has high strength and good pressure resistance, can withstand high pressure in the process of oil transportation, plastic or composite material pipeline has corrosion resistance, light weight and other advantages.
[0003] The existing oil pipeline is usually set as double-layer pipeline, that is, the inner layer is an oil pipeline, the outer layer is a heat tracing pipeline, and the middle is filled with thermal insulation material, but this method will cause part of the heat to be lost during transmission, and the heat tracing pipeline is exposed to the external environment and is easy to be damaged and corroded, therefore, we provide a flat arc pipe shape heat tracing oil pipeline. SUMMARY
[0004] The utility model discloses a kind of flat arc pipe shape heat tracing oil pipelines, to solve the problem that the existing oil pipeline is usually set as double-layer pipeline in the above background, that is, the inner layer is an oil pipeline, the outer layer is a heat tracing pipeline, and the middle is filled with thermal insulation material, but this method will cause part of the heat to be lost during transmission, and the heat tracing pipeline is exposed to the external environment and is easy to be damaged and corroded.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of flat arc pipe shape heat tracing oil pipeline, including oil pipeline, first heat tracing pipe and second heat tracing pipe, the first heat tracing pipe is welded in the inner side wall of the oil pipeline, and it is annular arrangement, one end of the second heat tracing pipe is welded in the inner side wall of the oil pipeline, and it is annular arrangement, the outer side wall of the oil pipeline is sleeved with heat insulation layer, the outer side wall of the heat insulation layer is sleeved with reflection layer, the outer side wall of the reflection layer is sleeved with heat preservation layer, the inner cavity center of the oil pipeline is equipped with fixed column.
[0006] As a further description of the above technical solution:
[0007] The second heat tracing pipe is located between the first heat tracing pipe, and the first heat tracing pipe and the second heat tracing pipe are flat arc pipes.
[0008] As a further description of the above technical solution:
[0009] The oil pipeline is made of carbon steel, and the heat insulation layer is made of ceramic fiber material.
[0010] As a further description of the above technical solution:
[0011] The reflective layer is made of aluminum foil material, and the heat preservation layer is made of polyurethane foam material.
[0012] As a further description of the above technical solutions:
[0013] The first reinforcing ribs are fixedly connected between the inner side walls of the first heat tracing pipe, and the second reinforcing ribs are fixedly connected between the inner side walls of the second heat tracing pipe.
[0014] As a further description of the above technical solutions:
[0015] The outer side wall of the fixed column is provided with a limiting groove, and the limiting groove is arranged in a ring shape, and the other end of the second heat tracing pipe is fixedly connected in the inner cavity of the limiting groove.
[0016] Compared with the prior art, the utility model has the advantages that:
[0017] The flat arc pipe-shaped heat tracing oil conveying pipe is characterized in that the first heat tracing pipe is arranged on the inner wall of the oil conveying pipe, and the second heat tracing pipe is fixed between the fixed column and the inner wall of the oil conveying pipe, so that the heat tracing pipe is arranged in the oil conveying pipe, the hot oil directly contacts the oil in the oil conveying pipe, the arrangement mode of the first heat tracing pipe and the second heat tracing pipe increases the contact area of the hot oil and the oil, heat is more efficiently transferred, the heat insulation layer, the reflective layer and the heat preservation layer are arranged outside the oil conveying pipe, the heat insulation layer blocks heat transfer to the outside, the reflective layer emits part of the heat radiation back to the oil conveying pipe, the heat preservation layer improves the heat preservation effect, greatly reduces the heat loss in the transmission process, improves the heat tracing effect, and avoids damage and corrosion of the heat tracing pipe exposed to the outside environment. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 The utility model provides a kind of flat arc pipe-shaped heat tracing oil conveying pipe overall structure schematic view for the utility model proposes;
[0019] Figure 2 The utility model provides a kind of flat arc pipe-shaped heat tracing oil conveying pipe main structure schematic view for the utility model proposes;
[0020] Figure 3 The utility model provides a kind of flat arc pipe-shaped heat tracing oil conveying pipe for the utility model proposes; Figure 2 The utility model provides a kind of flat arc pipe-shaped heat tracing oil conveying pipe second heat tracing pipe overall structure schematic view for the utility model proposes.
[0021] Figure 4 The utility model provides a kind of flat arc pipe-shaped heat tracing oil conveying pipe second heat tracing pipe overall structure schematic view for the utility model proposes.
[0022] In the figure: 100, oil pipe; 110, heat insulation layer; 120, reflective layer; 130, heat preservation layer; 200, first heat tracing pipe; 210, first reinforcing rib; 300, second heat tracing pipe; 310, second reinforcing rib; 320, fixing column; 330, limiting groove. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0024] In the description of the utility model, it is to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the features limited as "first" and "second" can be explicitly or implicitly included one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.
[0025] In the description of the utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0026] The utility model provides a kind of flat arc pipe heat tracing oil pipe, substantially reduce the heat loss in transmission process, improve heat tracing effect, also avoid heat tracing pipeline exposed to external environment easily damaged and corroded, please refer to Figures 1-4 , including oil pipe 100, first heat tracing pipe 200 and second heat tracing pipe 300;
[0027] Please refer to Figures 1-3The outer side wall of the oil pipeline 100 is sleeved with a heat insulation layer 110, the outer side wall of the heat insulation layer 110 is sleeved with a reflecting layer 120, the outer side wall of the reflecting layer 120 is sleeved with a heat preservation layer 130, the oil pipeline 100 is used for conveying oil and gas products, the heat insulation layer 110 is used for blocking heat dissipation of the oil pipeline 100, the reflecting layer 120 is used for reflecting heat radiation of the oil pipeline 100, and the heat preservation layer 130 is used for increasing heat preservation performance of the oil pipeline 100.
[0028] Please refer to Figures 1-3 again The first heat tracing pipe 200 is welded to the inner side wall of the oil pipeline 100 and arranged in a ring shape, and the first heat tracing pipe 200 is used for conveying hot oil.
[0029] Please refer to Figures 2-4 again One end of the second heat tracing pipe 300 is welded to the inner side wall of the oil pipeline 100 and arranged in a ring shape, and the second heat tracing pipe 300 is used for conveying hot oil.
[0030] Please refer to Figure 1 again Figure 2 and Figure 4 The inner cavity of the oil pipeline 100 is provided with a fixing column 320, and the fixing column 320 is used for connecting and fixing the second heat tracing pipe 300.
[0031] In summary: by arranging the first heat tracing pipe 200 on the inner wall of the oil pipeline 100 and fixing the second heat tracing pipe 300 between the fixing column 320 and the inner wall of the oil pipeline 100, the heat tracing pipe is arranged in the oil pipeline 100, the hot oil directly contacts the oil liquid in the oil pipeline 100, the arrangement mode of the first heat tracing pipe 200 and the second heat tracing pipe 300 increases the contact area of the hot oil and the oil liquid, heat transfer is more efficient, meanwhile, the heat insulation layer 110, the reflecting layer 120 and the heat preservation layer 130 are arranged outside the oil pipeline 100, the heat insulation layer 110 blocks heat transfer to the outside, the reflecting layer 120 emits part of the heat radiation back to the oil pipeline, the heat preservation layer improves the heat preservation effect, greatly reduces heat loss in the transmission process, improves the heat tracing effect, and also avoids that the heat tracing pipe is exposed to the outside environment and is easily damaged and corroded.
[0032] Please refer to Figure 2 and Figure 4 again The second heat tracing pipe 300 is located between the first heat tracing pipe 200, the first heat tracing pipe 200 and the second heat tracing pipe 300 are flat arc-shaped pipes, the contact area of the hot oil and the oil liquid is increased through the position arrangement of the second heat tracing pipe 300 and the first heat tracing pipe 200, and the first heat tracing pipe 200 and the second heat tracing pipe 300 have the characteristics of good space utilization effect and small fluid conveying resistance.
[0033] Please refer to Figures 1-3The oil pipe 100 is made of carbon steel, and the heat insulation layer 110 is made of ceramic fiber material. The oil pipe 100 made of carbon steel has the advantages of high strength, and the heat insulation layer 110 made of ceramic fiber material has the advantages of high temperature resistance and low thermal conductivity.
[0034] Please refer to Figures 1-3 The reflective layer 120 is made of aluminum foil, and the heat preservation layer 130 is made of polyurethane foam material. The reflective layer 120 made of aluminum foil has the advantages of high reflection efficiency, and the heat preservation layer 130 made of polyurethane foam material has the advantages of light material and good heat preservation effect.
[0035] Please refer to Figures 1-4 The first reinforcing rib 210 is fixedly connected between the inner side walls of the first heat tracing pipe 200, and the second reinforcing rib 310 is fixedly connected between the inner side walls of the second heat tracing pipe 300. The first reinforcing rib 210 and the second reinforcing rib 310 are respectively used for enhancing the compression strength of the first heat tracing pipe 200 and the second heat tracing pipe 300.
[0036] Please refer to Figure 2 and Figure 4 The outer side wall of the fixed column 320 is provided with a limiting groove 330 arranged in a ring shape, and the other end of the second heat tracing pipe 300 is fixedly connected in the inner cavity of the limiting groove 330. The second heat tracing pipe 300 is fixed and limited by the limiting groove 330.
[0037] In specific use, the person skilled in the art introduces the heat exchange medium into the heat exchange inlet of the first heat tracing pipe 200 and the second heat tracing pipe 300, inputs the oil gas from the oil pipe 100, and the heat exchange medium performs heat transfer on the oil pipe 100. The heat exchange medium is connected to the external heat exchange equipment through the heat exchange outlet of the first heat tracing pipe 200 and the second heat tracing pipe 300 and performs heat exchange, and then the medium is introduced into the heat exchange inlet again to form a cycle.
[0038] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0039] Although the embodiments of the utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.
Claims
1. A flat oval tube shaped heat tracing oil pipe characterized in that: The utility model provides an oil pipeline, which comprises an oil pipeline (100), a first heat tracing pipe (200) and a second heat tracing pipe (300), the first heat tracing pipe (200) is welded to the inner side wall of the oil pipeline (100) and arranged in a ring shape, one end of the second heat tracing pipe (300) is welded to the inner side wall of the oil pipeline (100) and arranged in a ring shape, the outer side wall of the oil pipeline (100) is sleeved with a heat insulation layer (110), the outer side wall of the heat insulation layer (110) is sleeved with a reflecting layer (120), the outer side wall of the reflecting layer (120) is sleeved with a heat preservation layer (130), and the inner cavity center of the oil pipeline (100) is provided with a fixing column (320).
2. A flat arcuately tubular heat-traced oil pipeline according to claim 1, characterized in that: The second heat tracing pipe (300) is located between the first heat tracing pipes (200), and the first heat tracing pipes (200) and the second heat tracing pipe (300) are flat arc-shaped pipes.
3. A flat arcuately tubular heat-traced oil pipeline according to claim 1, characterized in that: The oil pipeline (100) is made of carbon steel, and the heat insulation layer (110) is made of ceramic fiber material.
4. A flat spiral pipe heat tracing oil pipe according to claim 1, characterized in that: The reflecting layer (120) is made of aluminum foil, and the heat preservation layer (130) is made of polyurethane foam material.
5. A flat spiral pipe heat tracing oil pipe according to claim 1, characterized in that: First reinforcing ribs (210) are fixedly connected between the inner side walls of the first heat tracing pipes (200), and second reinforcing ribs (310) are fixedly connected between the inner side walls of the second heat tracing pipes (300).
6. A flat spiral pipe heat tracing oil pipe according to claim 1, characterized in that: The outer side wall of the fixing column (320) is provided with limiting grooves (330) arranged in a ring shape, and the other end of the second heat tracing pipe (300) is fixedly connected to the inner cavities of the limiting grooves (330).