Pipeline heat preservation structure
By adopting multi-layer structure and protective components in the pipeline insulation structure, the problem of the waterproof layer being easily cut is solved, the waterproof performance and collision resistance are improved, and the overall performance and service life of the pipeline are improved.
Patent Information
- Application Number
- CN202420485332.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-13
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-03-13
AI Technical Summary
In the existing pipeline insulation structure, the waterproof layer is exposed on the outside and is easily cut by tough objects on the outside, resulting in a degradation of waterproof performance and unable to effectively protect the pipeline.
Adopt a multi-layer structural design, including the first insulation layer, the second insulation layer, the protective layer, the waterproof layer and the protective layer. The outer protective performance is improved through the Ni-Drag telescopic rod and the anti-collision ring, and the corrosion layer and anti-oxidation are provided inside. to improve corrosion resistance.
It effectively improves the waterproof and collision-proof performance of the pipeline insulation structure, while extending the service life of the pipeline, reducing heat loss and corrosion damage.
Smart Images

Figure CN222142426U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pipeline thermal insulation structures, in particular to a pipeline thermal insulation structure. Background Art
[0002] In the oil refining, petrochemical, chemical, recycled oil production and other industries, high-temperature fluids are generally transported through pipelines. Therefore, pipeline insulation is particularly important for reducing heat dissipation losses, saving energy and reducing carbon emissions. The transport pipelines are generally equipped with insulation structures.
[0003] For example, Chinese patent CN218780952U discloses a pipeline insulation structure, which relates to the field of insulation structure technology, including multiple insulation layers, wherein the two insulation layers are a first insulation layer and a second insulation layer, the first insulation layer is an aerogel insulation layer, the second insulation layer is a ceramic composite insulation material layer or an aluminum silicate insulation layer, the first insulation layer is sleeved outside the second insulation layer, and the second insulation layer is used to sleeve outside the pipeline. The pipeline insulation structure in the utility model can reduce the pipeline insulation cost while meeting the insulation effect.
[0004] Although the above patent can reduce the cost of pipeline insulation while meeting the insulation effect, the waterproof layer in the patent is used to be fixedly mounted on the outer wall of the protective layer. The waterproof layer preferably uses oil felt to waterproof the pipeline insulation structure. The waterproof layer is exposed on the outside and is easily scratched by tough objects on the outside, thereby reducing the waterproof performance of the pipeline insulation structure. Utility Model Content
[0005] In view of the deficiencies in the prior art, the utility model provides a pipe insulation structure, which has the advantages of improving the protective performance of the outer side of the pipe insulation structure, reducing the risk of the waterproof material layer being scratched by tough objects on the outside, thereby reducing the waterproof performance of the pipe insulation structure, and solves the problem that the waterproof layer is used to be fixedly sleeved on the outer wall of the protective layer, and the waterproof layer preferably uses oil felt to waterproof the pipe insulation structure. The waterproof layer is exposed on the outside and is easily scratched by tough objects on the outside, thereby reducing the waterproof performance of the pipe insulation structure.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pipeline insulation structure, comprising a pipeline body, a connection mechanism is provided on the outside of the pipeline body, and an anti-corrosion mechanism is provided inside the pipeline body;
[0007] The connecting mechanism includes a first thermal insulation layer, a second thermal insulation layer, a protective layer, a waterproof layer, a protective layer and a connecting assembly, wherein the first thermal insulation layer is fixed to the outside of the pipeline body, the second thermal insulation layer is fixed to the outside of the first thermal insulation layer, the protective layer is fixed to the outside of the second thermal insulation layer, the waterproof layer is fixed to the outside of the protective layer, and the protective layer is fixed to the outside of the waterproof layer.
[0008] By adopting this technical solution, the protective performance of the outer side of the pipeline insulation structure is improved, and the risk of tough objects on the outside scratching the waterproof material layer and thus reducing the waterproof performance of the pipeline insulation structure.
[0009] Furthermore, the connecting assembly includes no less than two NS telescopic rods and no less than two anti-collision rings, the no less than two NS telescopic rods are fixed on the front and back sides of the protective layer, the anti-collision rings are fixed on the opposite sides of the front and rear NS telescopic rods, and the no less than two anti-collision rings are evenly distributed on the outside of the protective layer.
[0010] By adopting this technical solution, the protective performance of the outside of the pipeline insulation structure can be improved.
[0011] Furthermore, the damper telescopic rod comprises a first sliding rod, the interior of the first sliding rod is slidably connected to a second sliding rod, and the outer side of the first sliding rod is movably sleeved with a spring.
[0012] By adopting this technical solution, the second sliding rod can slide inside the first sliding rod and reduce the impact force.
[0013] Furthermore, the anti-collision ring is a polyurethane extruded ring.
[0014] By adopting this technical solution, the anti-collision performance of the outer side of the pipeline insulation structure can be improved by using no less than two anti-collision rings.
[0015] Furthermore, the first thermal insulation layer and the second thermal insulation layer are both aerogel thermal insulation layers, and the protective layer is an asbestos fiber layer.
[0016] By adopting this technical solution, the high-temperature fluid transported inside the pipeline body can be insulated by the first insulation layer and the second insulation layer.
[0017] Furthermore, the waterproof layer is a polyethylene polypropylene composite waterproof coiled material layer, and the protective layer is a polyurethane layer.
[0018] By adopting this technical solution, the protective layer can protect the outer side of the waterproof layer and reduce the risk of being scratched.
[0019] Furthermore, the anti-corrosion mechanism includes a first anti-corrosion layer, a second anti-corrosion layer and an anti-oxidation layer, the first anti-corrosion layer is fixed inside the pipeline body, the second anti-corrosion layer is fixed inside the first anti-corrosion layer, and the anti-oxidation layer is fixed inside the second anti-corrosion layer.
[0020] By adopting this technical solution and providing the first anti-corrosion layer and the second anti-corrosion layer, the service life of the pipeline body can be increased.
[0021] Furthermore, the first anti-corrosion layer and the second anti-corrosion layer are both layers, and the anti-oxidation layer is a silicon nitride layer.
[0022] By adopting this technical solution, the corrosion resistance and oxidation resistance of the pipeline body are improved.
[0023] Compared with the prior art, the technical solution of this application has the following beneficial effects:
[0024] 1. The pipe insulation structure, the first insulation layer and the second insulation layer fixed on the outside of the pipe body can insulate the high-temperature fluid transported inside the pipe body and reduce heat loss. The protective layer fixed on the outside of the second insulation layer can protect the outside of the second insulation layer. The waterproof layer fixed on the outside of the protective layer can improve the waterproof performance of the pipe insulation structure and reduce the damage of the internal structure of the pipe insulation structure by water on the outside. The protective layer fixed on the outside of the waterproof layer can protect the waterproof layer. The protective layer is a wear-resistant and scratch-resistant plastic material with the characteristics of high strength, high toughness, wear resistance, and thermal oxidation resistance, which reduces the situation where the waterproof layer is scratched by tough objects on the outside. At least two anti-collision rings and at least two nylon-resistance telescopic rods are arranged on the outside of the protective layer to improve the anti-collision performance of the outside of the pipe insulation structure.
[0025] 2. The pipeline insulation structure, the first anti-corrosion layer and the second anti-corrosion layer fixed inside the pipeline body can improve the anti-corrosion performance inside the pipeline body, and the anti-oxidation layer fixed inside the second anti-corrosion layer has oxidation resistance and high temperature resistance, thereby improving the service life of the pipeline insulation structure. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 It is a schematic diagram of the structure of the utility model;
[0027] Figure 2 This is a schematic diagram of the connection mechanism of the utility model;
[0028] Figure 3 This is a schematic diagram of the connection between the damping telescopic rod and the anti-collision ring of the utility model;
[0029] Figure 4 It is a schematic diagram of the anti-corrosion mechanism of the utility model.
[0030] In the figure: 1. Pipe body; 2. Connecting mechanism; 21. First insulation layer; 22. Second insulation layer; 23. Protective layer; 24. Waterproof layer; 25. Protective layer; 26. Connecting assembly; 261. Nitzer telescopic rod; 262. Anti-collision ring; 3. Anti-corrosion mechanism; 31. First anti-corrosion layer; 32. Second anti-corrosion layer; 33. Anti-oxidation layer. DETAILED DESCRIPTION
[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0032] See also Figure 1 A pipeline insulation structure in this embodiment includes a pipeline body 1. A connecting mechanism 2 is provided on the outside of the pipeline body 1. The connecting mechanism 2 improves the protective performance of the outside of the pipeline insulation structure and reduces the risk of the waterproof material layer being scratched by tough objects on the outside, thereby reducing the waterproof performance of the pipeline insulation structure. An anti-corrosion mechanism 3 is provided inside the pipeline body 1. The anti-corrosion mechanism 3 improves the anti-corrosion and anti-oxidation performance of the inside of the pipeline body 1.
[0033] See also Figure 2-3 In order to improve the protective performance of the outer side of the pipeline insulation structure and reduce the risk of the protective layer 23 being scratched by tough objects on the outer side, thereby reducing the waterproof performance of the pipeline insulation structure, in this embodiment, the connecting mechanism 2 includes a first insulation layer 21, a second insulation layer 22, a protective layer 23, a waterproof layer 24, a protective layer 25 and a connecting component 26. The first insulation layer 21 is fixed to the outer side of the pipeline body 1, the second insulation layer 22 is fixed to the outer side of the first insulation layer 21, the protective layer 23 is fixed to the outer side of the second insulation layer 22, the waterproof layer 24 is fixed to the outer side of the protective layer 23, and the protective layer 25 is fixed to the outer side of the waterproof layer 24.
[0034] In this embodiment, the first insulation layer 21 and the second insulation layer 22 fixed on the outside of the pipeline body 1 can insulate the high-temperature fluid transported inside the pipeline body 1 and reduce heat loss. The protective layer 23 fixed on the outside of the second insulation layer 22 can protect the outside of the second insulation layer 22.
[0035] In this embodiment, the connecting component 26 includes at least two NZD telescopic rods 261 and at least two anti-collision rings 262. The at least two NZD telescopic rods 261 are fixed on the front and back sides of the protective layer 25, and the anti-collision rings 262 are fixed on the opposite sides of the front and rear NZD telescopic rods 261. The at least two anti-collision rings 262 are evenly distributed on the outside of the protective layer 25. The waterproof layer 24 fixed on the outside of the protective layer 23 can improve the waterproof performance of the pipeline insulation structure and reduce the damage of the internal structure of the pipeline insulation structure by water on the outside. The protective layer 25 fixed on the outside of the waterproof layer 24 can protect the waterproof layer 24.
[0036] In this embodiment, the damper telescopic rod 261 includes a first sliding rod, the internal sliding connection of the first sliding rod is connected to the second sliding rod, the outer movable sleeve of the first sliding rod is provided with a spring, the anti-collision ring 262 is a polyurethane extrusion ring, the first insulation layer 21 and the second insulation layer 22 are both aerogel insulation layers, the protective layer 23 is an asbestos fiber layer, the waterproof layer 24 is a polyethylene polypropylene composite waterproof roll layer, and the protective layer 25 is a polyurethane layer.
[0037] It should be noted that the protective layer 25 is a wear-resistant and scratch-resistant plastic material with the characteristics of high strength, high toughness, wear resistance, and thermal oxidation resistance, which reduces the risk of the waterproof layer 24 being scratched by tough objects on the outside. At least two anti-collision rings 262 and at least two damping telescopic rods 261 are arranged on the outside of the protective layer 25 to improve the anti-collision performance of the outside of the pipeline insulation structure.
[0038] See also Figure 4 In order to improve the anti-corrosion and anti-oxidation properties inside the pipeline body 1, in this embodiment, the anti-corrosion mechanism 3 includes a first anti-corrosion layer 31, a second anti-corrosion layer 32 and an anti-oxidation layer 33. The first anti-corrosion layer 31 is fixed inside the pipeline body 1, the second anti-corrosion layer 32 is fixed inside the first anti-corrosion layer 31, and the anti-oxidation layer 33 is fixed inside the second anti-corrosion layer 32. The first anti-corrosion layer 31 and the second anti-corrosion layer 32 fixed inside the pipeline body 1 can improve the anti-corrosion performance inside the pipeline body 1.
[0039] In this embodiment, the first anti-corrosion layer 31 and the second anti-corrosion layer 32 are both layers, and the anti-oxidation layer 33 is a silicon nitride layer.
[0040] It should be noted that the first anti-corrosion layer 31 and the second anti-corrosion layer 32 have corrosion resistance and high temperature resistance, and the anti-oxidation layer 33 fixed inside the second anti-corrosion layer 32 has oxidation resistance and high temperature resistance, thereby improving the service life of the pipeline insulation structure.
[0041] The working principle of the above embodiment is:
[0042] 1. The first insulation layer 21 and the second insulation layer 22 fixed on the outside of the pipeline body 1 can insulate the high-temperature fluid transported inside the pipeline body 1 and reduce heat loss. The protective layer 23 fixed on the outside of the second insulation layer 22 can protect the outside of the second insulation layer 22. The waterproof layer 24 fixed on the outside of the protective layer 23 can improve the waterproof performance of the pipeline insulation structure and reduce the damage of the internal structure of the pipeline insulation structure by water on the outside. The protective layer 25 fixed on the outside of the waterproof layer 24 can protect the waterproof layer 24. The protective layer 25 is a wear-resistant and scratch-resistant plastic material with the characteristics of high strength, high toughness, wear resistance, and thermal oxidation resistance. It reduces the situation where the waterproof layer 24 is scratched by tough objects on the outside. At least two anti-collision rings 262 and at least two nylon-resistance telescopic rods 261 are arranged on the outside of the protective layer 25 to improve the anti-collision performance of the outside of the pipeline insulation structure.
[0043] 2. The first anti-corrosion layer 31 and the second anti-corrosion layer 32 fixed inside the pipeline body 1 can improve the anti-corrosion performance inside the pipeline body 1. The first anti-corrosion layer 31 and the second anti-corrosion layer 32 have corrosion resistance and high temperature resistance. The anti-oxidation layer 33 fixed inside the second anti-corrosion layer 32 has oxidation resistance and high temperature resistance, thereby improving the service life of the pipeline insulation structure.
Claims
1. A pipeline insulation structure, comprising a pipeline body (1), characterized in that: The outer side of the pipeline body (1) is provided with a connection mechanism (2), and the inner side of the pipeline body (1) is provided with an anti-corrosion mechanism (3); The connecting mechanism (2) comprises a first thermal insulation layer (21), a second thermal insulation layer (22), a protective layer (23), a waterproof layer (24), a protective layer (25) and a connecting assembly (26); the first thermal insulation layer (21) is fixed to the outside of the pipeline body (1); the second thermal insulation layer (22) is fixed to the outside of the first thermal insulation layer (21); the protective layer (23) is fixed to the outside of the second thermal insulation layer (22); the waterproof layer (24) is fixed to the outside of the protective layer (23); and the protective layer (25) is fixed to the outside of the waterproof layer (24).
2. A pipeline insulation structure according to claim 1, characterized in that: The connecting assembly (26) comprises no less than two damper telescopic rods (261) and no less than two anti-collision rings (262), the no less than two damper telescopic rods (261) being fixed to the front and back sides of the protective layer (25), the anti-collision rings (262) being fixed to the opposite sides of the front and rear damper telescopic rods (261), and the no less than two anti-collision rings (262) being evenly distributed on the outer side of the protective layer (25).
3. A pipeline insulation structure according to claim 2, characterized in that: The damper telescopic rod (261) comprises a first sliding rod, the interior of the first sliding rod is slidably connected to a second sliding rod, and the outer side of the first sliding rod is movably sleeved with a spring.
4. A pipeline insulation structure according to claim 2, characterized in that: The anti-collision ring (262) is a polyurethane extruded ring.
5. A pipeline insulation structure according to claim 1, characterized in that: The first thermal insulation layer (21) and the second thermal insulation layer (22) are both aerogel thermal insulation layers, and the protective layer (23) is an asbestos fiber layer.
6. A pipeline insulation structure according to claim 1, characterized in that: The waterproof layer (24) is a polyethylene-polypropylene composite waterproof coiled material layer, and the protective layer (25) is a polyurethane layer.
7. A pipeline insulation structure according to claim 1, characterized in that: The anti-corrosion mechanism (3) comprises a first anti-corrosion layer (31), a second anti-corrosion layer (32) and an anti-oxidation layer (33); the first anti-corrosion layer (31) is fixed inside the pipeline body (1); the second anti-corrosion layer (32) is fixed inside the first anti-corrosion layer (31); and the anti-oxidation layer (33) is fixed inside the second anti-corrosion layer (32).
8. A pipeline insulation structure according to claim 7, characterized in that: The first anti-corrosion layer (31) and the second anti-corrosion layer (32) are both layers, and the anti-oxidation layer (33) is a silicon nitride layer.
