High-strength pre-embedded thermal insulation pipe

Abstract

The utility model discloses a high-strength pre-embedded thermal insulation pipe, which belongs to the technical field of pipelines and comprises a metal pipe body, an inner thermal insulation layer is fixedly mounted on the outer surface of the metal pipe body, a damping layer is fixedly mounted on the outer surface of the inner thermal insulation layer, and the damping layer comprises a plurality of groups of longitudinal elastic wires. A plurality of groups of longitudinal elastic wires are fixedly mounted on the outer surface of the inner thermal insulation layer around the circumferential surface of the inner thermal insulation layer, and a plurality of groups of radial elastic wires are fixedly mounted between every two adjacent groups of longitudinal elastic wires and are mounted on the outer surface of the inner thermal insulation layer; double-layer heat preservation protection is formed for the metal pipe body through the inner heat preservation layer and the outer heat preservation layer, the heat preservation performance is improved, the reinforcing layer is made of a high-strength fiber material, damage of external force to the metal pipe body is reduced, meanwhile, shock absorption protection on the metal pipe body under the external force is improved through the shock absorption layer, and the metal pipe body is high in strength and not prone to damage. And the common deformation and damage phenomena of the traditional thermal insulation material are avoided.

Description

Technical Field

[0001] This application relates to the field of pipeline technology, and in particular to a high-strength pre-embedded insulated pipe. Background Technology

[0002] In industries such as urban heating, cooling, and high-pressure steam transmission, cold-proof and heat-insulating measures for underground pipelines are particularly important. At the same time, with the popularization of green building concepts and the advancement of technology, the market demand for high-performance and long-life building materials is increasing, which has also driven the research and development of new insulation materials and insulation structures.

[0003] To improve the insulation effect of underground pipelines, the common solution usually relies on an external insulation layer. Although this approach can reduce heat loss to some extent, it is prone to moisture and aging after long-term use, which leads to a decline in insulation performance. In addition, its strength is low, making it easy to deform and be damaged under external forces.

[0004] Therefore, this application provides a high-strength pre-embedded insulation pipe. Utility Model Content

[0005] In view of the shortcomings of the prior art, this application provides a high-strength pre-embedded insulation pipe, which overcomes the shortcomings of the prior art and aims to solve the problems in the prior art.

[0006] To achieve the above objectives, this application provides the following technical solution: a high-strength pre-embedded thermal insulation pipe, comprising a metal pipe body, an inner thermal insulation layer fixedly installed on the outer surface of the metal pipe body, a shock-absorbing layer fixedly installed on the outer surface of the inner thermal insulation layer, the shock-absorbing layer comprising several sets of longitudinal elastic wires, the several sets of longitudinal elastic wires being fixedly installed around the circumference of the inner thermal insulation layer on the outer surface of the inner thermal insulation layer, several sets of radial elastic wires being fixedly installed between two adjacent sets of longitudinal elastic wires, and the radial elastic wires being installed on the outer surface of the inner thermal insulation layer, several sets of elastic meshes being fixedly installed between two adjacent sets of radial elastic wires, and the elastic meshes being installed on the outer surface of the inner thermal insulation layer, an outer thermal insulation layer being fixedly installed around the outer ring of the shock-absorbing layer, and a reinforcing layer being fixedly installed around the outer ring of the outer thermal insulation layer.

[0007] By adopting the above technical solution, the metal pipe body, made of metal, has excellent pressure resistance. The inner and outer insulation layers provide insulation for the metal pipe body. The longitudinal elastic wires, radial elastic wires, and elastic mesh are all made of high-strength glass fiber, possessing elasticity and toughness. The longitudinal and radial elastic wires form a mesh structure, improving the pipe's shock absorption and protection effect. The elastic mesh, installed between the longitudinal and radial elastic wires, further strengthens the integrity and shock absorption of the damping layer. The inner and outer insulation layers provide double-layer insulation protection for the metal pipe body, improving insulation performance. The high-strength fiber material of the reinforcing layer reduces damage to the metal pipe body from external forces. Simultaneously, the damping layer enhances shock absorption and protection of the metal pipe body under external forces. Furthermore, the high strength of the metal pipe body itself avoids the deformation and damage common in traditional insulation materials.

[0008] As a preferred technical solution of this application, a flame-retardant layer is fixedly installed on the outer ring of the reinforcing layer, and the flame-retardant layer is a phosphorus-based flame-retardant layer.

[0009] By adopting the above technical solution, phosphorus-based flame retardants have highly efficient flame retardant properties and can rapidly decompose at high temperatures to generate flame-retardant gases, thereby inhibiting the spread of flames. The flame-retardant layer extends the time that the metal pipe can resist fire damage, which helps to buy more time for workers to extinguish the fire. The flame-retardant layer also improves the fire protection effect on the metal pipe.

[0010] As a preferred technical solution of this application, a number of sets of reinforcing ribs are fixedly installed on the inner wall of the reinforcing layer, and the number of sets of reinforcing ribs are distributed along the inner radial direction of the reinforcing layer.

[0011] By adopting the above technical solution, the strength of the reinforcing layer is further improved by the reinforcing ribs, thereby improving the strength of the pipeline.

[0012] As a preferred technical solution of this application, a waterproof layer is fixedly installed on the outer wall of the flame retardant layer, and the waterproof layer is an acrylic layer.

[0013] By adopting the above technical solution, and utilizing the excellent waterproof properties of acrylic ester, it is possible to effectively prevent moisture and humidity from penetrating into the interior of the outer and inner insulation layers, which is beneficial to improving the corrosion protection of the outer and inner insulation layers.

[0014] As a preferred technical solution of this application, a wear-resistant layer is fixedly installed on the outer surface of the waterproof layer.

[0015] By adopting the above technical solution, and using wear-resistant rubber as the material of the wear-resistant layer, it can resist external wear and scratches, thus extending the service life of this insulation pipe.

[0016] As a preferred technical solution of this application, the inner insulation layer and the outer insulation layer are located on the upper and lower sides of the shock-absorbing layer, respectively, and the material of the inner insulation layer and the outer insulation layer is modified polyurethane foam.

[0017] By adopting the above technical solution, the modified polyurethane foam, with its lightweight and low thermal conductivity, can significantly slow down the heat transfer rate, thereby achieving an ideal heat preservation effect. At the same time, the material also exhibits good compressive strength and is not easily damaged by compression.

[0018] As a preferred technical solution of this application, the metal tube is made of high-quality carbon steel.

[0019] By adopting the above technical solution, the high-quality carbon steel has good strength, which is beneficial to improving the compressive strength of the metal pipe.

[0020] As a preferred technical solution of this application, the outer surface of the metal tube is coated with an anti-corrosion layer.

[0021] By adopting the above technical solution, the corrosion resistance of the metal pipe body is further enhanced through the anti-corrosion layer, which helps to extend its service life.

[0022] The beneficial effects of this application are:

[0023] 1. The metal pipe body is made of metal, providing excellent pressure resistance. Internal and external insulation layers provide thermal insulation. The longitudinal, radial, and elastic wires, as well as the elastic mesh, are all made of high-strength glass fiber, possessing elasticity and toughness. The longitudinal and radial elastic wires form a mesh structure, enhancing the pipe's shock absorption and protection. The elastic mesh installed between the longitudinal and radial elastic wires further strengthens the integrity and shock absorption of the damping layer. The internal and external insulation layers provide double-layer insulation protection for the metal pipe body, improving insulation performance. The high-strength fiber reinforcement layer reduces damage to the metal pipe body from external forces. Simultaneously, the damping layer enhances shock absorption and protection under external forces, and the high strength of the metal pipe body itself avoids the deformation and damage common in traditional insulation materials.

[0024] 2. Phosphorus-based flame retardants possess highly efficient flame-retardant properties and can rapidly decompose at high temperatures to generate flame-retardant gases, thereby inhibiting the spread of flames. The flame-retardant layer extends the time that the metal pipe can withstand fire damage, which helps to buy more time for workers to extinguish the fire. The flame-retardant layer also improves the fire protection effect on the metal pipe. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the internal structure of this application;

[0026] Figure 2 This is a cross-sectional structural diagram of this application;

[0027] Figure 3 This is a top view of the structure of this application.

[0028] In the diagram: 1. Metal tube body; 2. Inner insulation layer; 3. Shock-absorbing layer; 301. Longitudinal elastic wire; 302. Radial elastic wire; 303. Elastic mesh; 4. Outer insulation layer; 5. Reinforcing layer; 6. Flame retardant layer; 7. Waterproof layer; 8. Wear-resistant layer; 9. Reinforcing rib. Detailed Implementation

[0029] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0030] Reference Figure 1-3 A high-strength pre-embedded thermal insulation pipe includes a metal pipe body 1. An inner thermal insulation layer 2 is fixedly installed on the outer surface of the metal pipe body 1. A shock-absorbing layer 3 is fixedly installed on the outer surface of the inner thermal insulation layer 2. The shock-absorbing layer 3 includes several sets of longitudinal elastic wires 301, which are fixedly installed around the circumference of the inner thermal insulation layer 2 on the outer surface of the inner thermal insulation layer 2. Several sets of radial elastic wires 302 are fixedly installed between two adjacent sets of longitudinal elastic wires 301 and are installed on the outer surface of the inner thermal insulation layer 2. Several sets of elastic mesh 303 are fixedly installed between two adjacent sets of radial elastic wires 302 and are installed on the outer surface of the inner thermal insulation layer 2. An outer thermal insulation layer 4 is fixedly installed around the outer ring of the shock-absorbing layer 3. A reinforcing layer 5 is fixedly installed around the outer ring of the outer thermal insulation layer 4. Several sets of reinforcing ribs 9 are fixedly installed on the inner wall of the reinforcing layer 5 and are distributed radially along the interior of the reinforcing layer 5.

[0031] The metal pipe body 1 is made of metal, providing excellent pressure resistance. The inner insulation layer 2 and outer insulation layer 4 provide insulation for the metal pipe body 1. The longitudinal elastic wires 301, radial elastic wires 302, and elastic mesh 303 are all made of high-strength glass fiber, possessing elasticity and toughness. The longitudinal elastic wires 301 and radial elastic wires 302 form a mesh structure, improving the pipe's shock absorption and protection effect. The elastic mesh 303 is installed between the mesh cells formed by the longitudinal elastic wires 301 and radial elastic wires 302, further enhancing the pipe's shock absorption and protection effect. The overall integrity and shock absorption of the damping layer 3 are enhanced. The inner insulation layer 2 and the outer insulation layer 4 form a double-layer insulation protection for the metal pipe 1, improving the insulation performance. The reinforcing layer 5 is made of high-strength fiber material, reducing the damage of external forces to the metal pipe 1. At the same time, the damping layer 3 improves the shock absorption protection of the metal pipe 1 under external forces, and the high strength of the metal pipe 1 itself avoids the deformation and damage phenomena common in traditional insulation materials. The reinforcing ribs 9 further improve the strength of the reinforcing layer 5, thereby improving the strength of the pipeline.

[0032] Reference Figure 1-3 A flame-retardant layer 6 is fixedly installed on the outer ring of the reinforcing layer 5. The flame-retardant layer 6 is a phosphorus-based flame-retardant layer. A waterproof layer 7 is fixedly installed on the outer wall of the flame-retardant layer 6. The waterproof layer 7 is an acrylic layer.

[0033] Phosphorus-based flame retardants possess highly efficient flame-retardant properties and can rapidly decompose at high temperatures to generate flame-retardant gases, thereby inhibiting the spread of flames. The flame-retardant layer 6 extends the time that the metal pipe 1 can resist fire damage, which helps to buy more time for workers to extinguish the fire. The flame-retardant layer 6 also improves the fire protection effect of the metal pipe 1. Acrylic ester has good waterproof properties, which can effectively prevent moisture and humidity from penetrating into the interior of the outer insulation layer 4 and the inner insulation layer 2, which helps to improve the corrosion protection of the outer insulation layer 4 and the inner insulation layer 2.

[0034] Reference Figure 1-3 The outer surface of the waterproof layer 7 is fixedly installed with a wear-resistant layer 8; the metal pipe body 1 is made of high-quality carbon steel; the wear-resistant layer 8 is made of wear-resistant rubber, which can resist external wear and scratches and extend the service life of this insulation pipe; the high-quality carbon steel has good strength, which is beneficial to improving the compressive strength of the metal pipe body 1.

[0035] Reference Figure 1-3The inner insulation layer 2 and the outer insulation layer 4 are located on the upper and lower sides of the shock-absorbing layer 3, respectively. The inner insulation layer 2 and the outer insulation layer 4 are made of modified polyurethane foam. The outer surface of the metal pipe 1 is coated with an anti-corrosion layer. Modified polyurethane foam has the characteristics of being lightweight and having a low thermal conductivity, which can significantly slow down the heat transfer rate, thereby achieving an ideal insulation effect. At the same time, this material also exhibits good compressive strength and is not easily damaged by compression. The anti-corrosion layer further enhances the corrosion resistance of the metal pipe 1, which is beneficial to extending its service life.

[0036] Working Principle: The metal pipe body 1 is made of metal, providing excellent pressure resistance. The inner insulation layer 2 and outer insulation layer 4 provide insulation for the metal pipe body 1. The longitudinal elastic wires 301, radial elastic wires 302, and elastic mesh 303 are all made of high-strength glass fiber, possessing elasticity and toughness. The longitudinal and radial elastic wires 301 and 302 form a mesh structure, improving the vibration damping effect of the pipe. The elastic mesh 303, installed between the mesh grids formed by the longitudinal and radial elastic wires 301 and 302, further strengthens the integrity and vibration damping performance of the damping layer 3. The inner insulation layer 2 and outer insulation layer 4 provide insulation for the metal pipe body 1. The double-layer insulation protection improves the insulation performance. The reinforcing layer 5 is made of high-strength fiber material, which reduces the damage of external forces to the metal pipe 1. At the same time, the shock-absorbing layer 3 improves the shock absorption protection of the metal pipe 1 under the action of external forces. The high strength of the metal pipe 1 itself avoids the deformation and damage phenomena common in traditional insulation materials. The phosphorus-based flame retardant has highly efficient flame retardant properties and can quickly decompose at high temperatures to produce flame-retardant gas, thereby inhibiting the spread of flames. The flame-retardant layer 6 extends the time that the metal pipe 1 can resist fire damage, which helps to buy more time for firefighters to extinguish the fire. The flame-retardant layer 6 improves the fire protection effect of the metal pipe 1.

[0037] Among them, the strength of the reinforcing layer 5 is further improved by the reinforcing rib 9, thereby improving the strength of the pipeline. Acrylic ester has good waterproof performance, which can effectively prevent moisture and humidity from penetrating into the interior of the outer insulation layer 4 and the inner insulation layer 2, which is conducive to improving the corrosion protection of the outer insulation layer 4 and the inner insulation layer 2.

[0038] Meanwhile, the wear-resistant layer 8 is made of wear-resistant rubber, which can resist external wear and scratches and extend the service life of this insulation pipe; the modified foamed polyurethane has the characteristics of being lightweight and having a low thermal conductivity, which can significantly slow down the heat transfer rate, thereby achieving an ideal insulation effect. At the same time, this material also exhibits good compressive strength and is not easily damaged by compression.

[0039] In addition, the high-quality carbon steel has good strength, which helps to improve the compressive strength of the metal pipe body 1; the anti-corrosion layer further enhances the corrosion resistance of the metal pipe body 1, which helps to extend its service life.

[0040] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A high-strength embedded thermal insulation pipe comprising a metal pipe body (1), characterized in that, The outer surface of the metal pipe body (1) is fixedly installed with an inner thermal insulation layer (2), the outer surface of the inner thermal insulation layer (2) is fixedly installed with a shock absorption layer (3), the shock absorption layer (3) comprises a plurality of groups of longitudinal elastic wires (301), a plurality of groups of the longitudinal elastic wires (301) are fixedly installed on the outer surface of the inner thermal insulation layer (2) around the circumferential surface of the inner thermal insulation layer (2), a plurality of groups of radial elastic wires (302) are fixedly installed between two adjacent groups of the longitudinal elastic wires (301) and are installed on the outer surface of the inner thermal insulation layer (2), a plurality of groups of elastic nets (303) are fixedly installed between two adjacent groups of the radial elastic wires (302) and are installed on the outer surface of the inner thermal insulation layer (2), the outer ring of the shock absorption layer (3) is fixedly installed with an outer thermal insulation layer (4), and the outer ring of the outer thermal insulation layer (4) is fixedly installed with a reinforcing layer (5).

2. The high strength pre-embedded insulated pipe according to claim 1, wherein, The outer ring of the reinforcing layer (5) is fixedly installed with a flame-retardant layer (6), and the flame-retardant layer (6) is a phosphorus-based flame-retardant layer.

3. The high strength pre-embedded insulated pipe according to claim 1, wherein, The inner wall of the reinforcing layer (5) is fixedly installed with a plurality of groups of reinforcing ribs (9), and the plurality of groups of reinforcing ribs (9) are distributed along the inside of the reinforcing layer (5) in the radial direction.

4. The high strength pre-embedded insulated pipe according to claim 2, wherein, The outer wall of the flame-retardant layer (6) is fixedly installed with a waterproof layer (7), and the waterproof layer (7) is an acrylate layer.

5. A high strength pre-buried insulated pipe according to claim 4, wherein, The outer surface of the waterproof layer (7) is fixedly installed with a wear-resistant layer (8).

6. The high strength pre-buried insulated pipe according to claim 1, wherein, The inner thermal insulation layer (2) and the outer thermal insulation layer (4) are respectively located on the upper and lower sides of the shock absorption layer (3), and the materials of the inner thermal insulation layer (2) and the outer thermal insulation layer (4) are modified foamed polyurethane.

7. The high strength pre-embedded insulated pipe of claim 1, wherein, The material of the metal pipe body (1) is high-quality carbon steel.

8. The high strength pre-embedded insulated pipe of claim 1, wherein, The outer surface of the metal pipe body (1) is coated with a corrosion-resistant layer.

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