Plastic composite pipeline with good heat preservation effect

Abstract

The utility model discloses a plastic composite pipeline with a good heat preservation effect, which relates to the technical field of pipelines and comprises a pipe body, a heat preservation layer and an outer layer, the pipe body, the heat preservation layer and the outer layer are sequentially arranged from inside to outside, the pipe body comprises a plastic inner layer and a composite reinforcing layer, and the composite reinforcing layer is arranged on the outer side of the plastic inner layer. The pipe body is arranged, the heat preservation layer is arranged on the outer side of the pipe body, the outer layer is arranged on the outer side of the heat preservation layer, the pipe body is composed of the plastic inner layer and the composite reinforcing layer, fluid conveying can be achieved, the heat preservation layer is formed by spirally winding the felt cloth, and the felt cloth has good heat preservation performance. After the felt cloth is wound, the heat preservation effect on the pipe body can be achieved, the winding thickness of the felt cloth can be adjusted according to the using environment of the pipeline so as to control the heat preservation performance of the pipeline, and the outer layer can achieve heat preservation protection on the heat preservation layer and the pipe body so as to guarantee the stability of the pipe body in the using process.

Description

Technical Field

[0001] The utility model relates to the technical field of pipelines, in particular to a plastic composite pipeline with good thermal insulation effect. Background Art

[0002] Plastic pipes are the general name for pipes made of plastic. Plastic pipes are light in weight, sanitary and safe, have low water flow resistance, save energy, save metal, improve living environment, have long service life, are safe and convenient, and are favored by the pipeline engineering industry. In the past 10 years, driven by the rapid development of my country's macro-economy, my country's plastic pipes have experienced rapid development against the background of the great development of chemical building materials. In 2010, the national output of plastic pipes exceeded 8 million tons, of which Guangdong, Zhejiang and Shandong accounted for 42% of the output. Plastic pipes have more advantages than traditional metal pipes and concrete pipes in many fields, so they have been recommended for use in many regions. In recent years, with the continuous increase in market demand in industries such as construction, municipal engineering, water conservancy engineering, agriculture and industry, China's plastic pipe industry has shown a rapid development trend.

[0003] For example, a reinforced composite plastic pipe with publication number CN216045896U includes a pipe body, the pipe wall of which is composed of a plastic pipe inner layer, a heat reflecting layer, a thermal insulation structure layer, a wear-resistant protective layer and an anti-corrosion layer from the inside to the outside, a supporting structure unit is arranged in the wear-resistant protective layer, and the supporting structure unit is one or more of pine wood blocks, vermiculite or foam glass doped in the wear-resistant protective layer; a plug-in structure is arranged on one end face of the pipe body, and a sleeve structure matching the plug-in structure is arranged on the other end face of the pipe body, and the inner diameter of the sleeve structure is slightly larger than the outer diameter of the plug-in structure so that the two pipe bodies can be connected end to end through the sleeve structure and the plug-in structure, a sealing ring is arranged on the outer wall of the plug-in structure, and a sealing ring groove corresponding to the number and position of the sealing ring on the plug-in structure is opened on the inner wall of the sleeve structure; at least two groups of reinforcing steel rings are evenly arranged in the pipe walls of the plug-in structure and the sleeve structure.

[0004] The above technical solution has the problem of poor thermal insulation effect in practical application.

[0005] Therefore, it is necessary to invent a plastic composite pipe with good thermal insulation effect to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a plastic composite pipe with good thermal insulation effect to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic composite pipe with good thermal insulation effect, comprising a pipe body, an insulation layer and an outer layer, the pipe body, insulation layer and outer layer are arranged in sequence from the inside to the outside, the pipe body comprises a plastic inner layer and a composite reinforcement layer, the outer side of the plastic inner layer is provided with a composite reinforcement layer, the outer side of the composite reinforcement layer is provided with a groove, and the groove is arranged in an annular structure, the interior of the groove is provided with an insulation layer, the outer layer is provided with two groups, the two groups of outer layers are both arranged in a semicircular structure, and the two groups of outer layers are arranged symmetrically, the inner side wall of the outer layer is fixedly provided with a pressure plate, the pressure plate is arranged in a semicircular structure, and the pressure plate is in contact with the outer side wall of the insulation layer, the inner side wall of the outer layer is fixedly provided with a reinforcement plate, and the reinforcement plate and the pressure plate are arranged vertically, sealing grooves are provided at both ends of the inner side wall of the outer layer, and sealing strips are arranged inside the sealing grooves.

[0008] Preferably, connecting plates are fixedly provided at both ends of the outer layer, a plurality of connecting holes are penetrated through the upper surface of the connecting plates, and connecting bolts are penetrated through the interior of the connecting holes.

[0009] Preferably, the material of the plastic inner layer is polyethylene (PE) material, and the material of the composite reinforcement layer is polyolefin glass fiber composite material.

[0010] Preferably, the thermal insulation layer is made of spirally wound felt cloth.

[0011] Preferably, a plurality of the pressing plates and the reinforcing plates are provided, and the plurality of pressing plates and the reinforcing plates are arranged at equal intervals.

[0012] Preferably, the sealing strip is made of nitrile rubber or chloroprene rubber.

[0013] Technical effects and advantages of the utility model:

[0014] 1. The utility model provides a pipe body, an insulation layer is provided on the outside of the pipe body, an outer layer is provided on the outside of the insulation layer, the pipe body is composed of a plastic inner layer and a composite reinforcement layer, which can realize the transportation of fluid, and the insulation layer is made of spirally wound felt cloth, which has good insulation performance. After winding, it can achieve the insulation effect of the pipe body, and the winding thickness of the felt cloth can be adjusted according to the use environment of the pipeline to control the insulation performance of the pipeline. The outer layer can achieve insulation protection for the insulation layer and the pipe body to ensure the stability of the pipe body during use;

[0015] 2. The utility model provides an outer layer, and the inner wall of the outer layer is provided with multiple pressure plates, which can respectively realize the compression and positioning of multiple parts of the insulation layer to ensure the stability of the insulation layer. The inner wall of the outer layer is also provided with a reinforcing plate vertically distributed with the pressure plate, and the reinforcing plate can strengthen the pressure plate to ensure the structural strength of the outer layer, thereby ensuring the stability of the pipeline during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a schematic cross-sectional view of the overall structure of the utility model.

[0018] Figure 3 It is an exploded view of the overall structure of the utility model.

[0019] In the figure: 1. pipe body; 2. insulation layer; 3. outer layer; 4. plastic inner layer; 5. composite reinforcement layer; 6. groove; 7. pressure plate; 8. reinforcement plate; 9. sealing groove; 10. sealing strip; 11. connecting plate; 12. connecting hole; 13. connecting bolt. DETAILED DESCRIPTION

[0020] 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.

[0021] The utility model provides Figure 1-3 A plastic composite pipe with good thermal insulation effect shown in the figure comprises a pipe body 1, a thermal insulation layer 2 and an outer layer 3, wherein the pipe body 1, the thermal insulation layer 2 and the outer layer 3 are arranged in sequence from the inside to the outside;

[0022] Specifically, the pipe body 1 includes a plastic inner layer 4 and a composite reinforcement layer 5. The composite reinforcement layer 5 is arranged on the outer side of the plastic inner layer 4. The material of the plastic inner layer 4 is polyethylene PE material. The material of the composite reinforcement layer 5 is a polyolefin glass fiber composite material. A groove 6 is opened on the outer side of the composite reinforcement layer 5, and the groove 6 is arranged in an annular structure. The interior of the groove 6 is provided with a thermal insulation layer 2. The thermal insulation layer 2 is made of a spirally wound felt cloth. The felt cloth has good thermal insulation performance. After winding, it can achieve a thermal insulation effect on the pipe body 1, and the winding thickness of the felt cloth can be adjusted according to the use environment of the pipeline to control the thermal insulation performance of the pipeline 1.

[0023] More specifically, the outer layer 3 is provided with two groups, both groups of outer layers 3 are provided in a semicircular structure, and the two groups of outer layers 3 are symmetrically provided, the inner wall of the outer layer 3 is fixedly provided with a pressing plate 7, the pressing plate 7 is provided in a semicircular structure, and the pressing plate 7 is in contact with the outer wall of the thermal insulation layer 2, the inner wall of the outer layer 3 is fixedly provided with a reinforcing plate 8, and the reinforcing plate 8 is vertically provided with the pressing plate 7, both ends of the inner wall of the outer layer 3 are provided with sealing grooves 9, and the inside of the sealing grooves 9 is provided with sealing strips 10, the material of the sealing strips 10 is nitrile rubber or chloroprene rubber, and the sealing strips 10 cooperate with the sealing grooves 9 to achieve sealing of the connection of the outer layer 3;

[0024] Furthermore, a plurality of the pressing plates 7 and the reinforcing plates 8 are provided, and the plurality of pressing plates 7 and the reinforcing plates 8 are arranged at equal intervals, and the reinforcing plates 8 can strengthen the pressing plates 7 to ensure the structural strength of the outer layer 3;

[0025] Moreover, connecting plates 11 are fixedly provided at both ends of the outer layer 3, and a plurality of connecting holes 12 are penetrated through the upper surface of the connecting plate 11, and connecting bolts 13 are penetrated through the inside of the connecting holes 12. The connecting bolts 13 cooperate with the connecting plate 11 to fix the position between the two outer layers 3, thereby facilitating the adjustment of the insulation layer 2.

[0026] In summary, the utility model provides a pipe body 1, an insulation layer 2 is provided on the outside of the pipe body 1, an outer layer 3 is provided on the outside of the insulation layer 2, the pipe body 1 is composed of a plastic inner layer 4 and a composite reinforcement layer 5, which can realize the transportation of fluid, and the insulation layer 2 is made of spirally wound felt cloth, the felt cloth has good insulation performance, and it can achieve the insulation effect of the pipe body 1 after winding, and the winding thickness of the felt cloth can be adjusted according to the use environment of the pipeline to control the insulation performance of the pipeline 1, the outer layer 3 can achieve insulation protection for the insulation layer 2 and the pipe body 1 to ensure the stability of the pipe body 1 during use, and multiple pressure plates 7 are provided on the inner wall of the outer layer 3, and the multiple pressure plates 7 can respectively realize the compression and positioning of multiple parts of the insulation layer 2 to ensure the stability of the insulation layer 2, and the inner wall of the outer layer 3 is also provided with a reinforcement plate 8 vertically distributed with the pressure plate 7, and the reinforcement plate 8 can strengthen the pressure plate 7 to ensure the structural strength of the outer layer 3, thereby ensuring the stability of the pipeline during use.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A plastic composite pipe with good thermal insulation effect, comprising a pipe body (1), a thermal insulation layer (2) and an outer layer (3), characterized in that: The pipe body (1), the heat-insulating layer (2) and the outer layer (3) are arranged in sequence from the inside to the outside. The pipe body (1) comprises a plastic inner layer (4) and a composite reinforcement layer (5). The outer side of the plastic inner layer (4) is provided with a composite reinforcement layer (5). The outer side of the composite reinforcement layer (5) is provided with a groove (6), and the groove (6) is arranged in an annular structure. The heat-insulating layer (2) is arranged inside the groove (6). The outer layer (3) is provided with two groups, and the two groups of the outer layer (3) are both arranged as semi- The outer layer (3) has a circular structure, and the two groups of outer layers (3) are symmetrically arranged. A pressure plate (7) is fixedly arranged on the inner wall of the outer layer (3), and the pressure plate (7) is arranged in a semicircular structure. The pressure plate (7) is in contact with the outer wall of the thermal insulation layer (2). A reinforcing plate (8) is fixedly arranged on the inner wall of the outer layer (3), and the reinforcing plate (8) and the pressure plate (7) are arranged vertically. Sealing grooves (9) are provided at both ends of the inner wall of the outer layer (3), and a sealing strip (10) is provided inside the sealing groove (9).

2. A plastic composite pipe with good thermal insulation effect according to claim 1, characterized in that: Both ends of the outer layer (3) are fixedly provided with connection plates (11), the upper surface of the connection plate (11) is penetrated by a plurality of connection holes (12), and connection bolts (13) are penetrated inside the connection holes (12).

3. A plastic composite pipe with good thermal insulation effect according to claim 2, characterized in that: The material of the plastic inner layer (4) is polyethylene (PE) material, and the material of the composite reinforcement layer (5) is polyolefin glass fiber composite material.

4. A plastic composite pipe with good thermal insulation effect according to claim 3, characterized in that: The thermal insulation layer (2) is made of spirally wound felt cloth.

5. A plastic composite pipe with good thermal insulation effect according to claim 4, characterized in that: A plurality of the pressing plates (7) and reinforcing plates (8) are provided, and the plurality of pressing plates (7) and reinforcing plates (8) are arranged at equal intervals.

6. A plastic composite pipe with good thermal insulation effect according to claim 5, characterized in that: The sealing strip (10) is made of nitrile rubber or chloroprene rubber.

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