A wear-resistant and aging-resistant fluorine-lined pipe

Abstract

The utility model discloses a wear-resistant and aging-resistant fluorine-lined pipe. The utility model relates to the technical field of fluorine-lined pipes. The wear-resistant and aging-resistant fluorine-lined pipe has a connection layer made of nitrile rubber material, has a certain heat resistance, can be tightly connected with metal, and is convenient for strengthening the tightness of the double-layer pipe connection. The wear-resistant layer is made of polyurethane rubber material, has excellent wear resistance, and has good buffering and shock absorption properties, thus forming protection for the inner pipe, preventing the fluorine-lined pipe from being affected by external forces, and reducing the wear of the inner pipe. The anti-rust layer is used as an anti-rust coating to avoid rust on the steel outer pipe, thereby improving the overall performance of the fluorine-lined pipe, alleviating the aging progress of the fluorine-lined pipe, and extending the service life of the fluorine-lined pipe. The fluorine-lined pipe is fixed by passing bolts through the connection holes. At the same time, the inner sealing ring and the outer sealing ring are tightly fitted to the connection port of the fluorine-lined pipe, and the friction of the bolts is strengthened with the anti-skid gasket, which is beneficial to improving the stability and sealing of the installation connection of the fluorine-lined pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of fluorine-lined pipelines, in particular to a wear-resistant and aging-resistant fluorine-lined pipeline. Background Art

[0002] Fluorine-lined pipes and accessories enjoy the reputation of "King of Plastics" and have excellent temperature resistance and corrosion resistance. They are ideal transportation equipment for highly corrosive media such as nitric acid, sulfuric acid, hydrofluoric acid, phosgene, chlorine, aqua regia, mixed acid, bromide and other organic solvents.

[0003] For example, the publication number CN219198381U, the utility model relates to the technical field of fluorine-lined pipes, and discloses a corrosion-resistant fluorine-lined pipe, including a pipe body and a mounting base plate, a support ring is fixedly installed on the left side of the pipe body, an insulation layer is fixedly installed on the inner wall of the pipe body, and the inner wall of the insulation layer is coated with a corrosion-resistant coating. The corrosion-resistant fluorine-lined pipe is provided with a corrosion-resistant coating, and the material used for the corrosion-resistant coating is chlorinated rubber paint. Chlorinated rubber is a white or slightly yellow powder obtained by chlorination modification of natural or synthetic rubber. It is odorless, non-toxic, non-irritating to human skin, and has good adhesion, chemical corrosion resistance, quick drying, water impermeability and flame retardancy. Chlorinated rubber anti-corrosion coatings are widely used as architectural coatings, chemical anti-corrosion coatings, flame retardant coatings, ship and marine steel structure anti-corrosion coatings, fast drying, construction is not restricted by seasons, and normal construction can be carried out from -20℃ to 40℃.

[0004] Existing fluorine-lined pipes are usually double-layer structures, with the outer layer being a steel structure pipe. However, the connection of the double-layer pipe has certain limitations and is easily affected by external forces. Vibration causes wear to the inner pipe and the outer pipe is prone to rust, which accelerates the aging of the fluorine-lined pipe and is not conducive to extending the service life of the fluorine-lined pipe. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a wear-resistant and aging-resistant fluorine-lined pipe to solve the problem raised in the above background technology that the existing fluorine-lined pipe is usually a double-layer structure, and the outer layer is a steel structure pipe, but the connection of the double-layer pipe has certain limitations and is easily affected by external forces. When vibration occurs, the inner pipe causes wear and the outer pipe is prone to rust, thereby accelerating the aging of the fluorine-lined pipe, which is not conducive to extending the service life of the fluorine-lined pipe.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a wear-resistant and aging-resistant fluorine-lined pipe, comprising a pipe body, the outer surface of the pipe body is fixedly connected with a wear-resistant layer, the outer surface of the wear-resistant layer is fixedly connected with a connecting layer, the outer surface of the connecting layer is fixedly connected with a steel outer pipe, the outer surface of the steel outer pipe is coated with an anti-rust layer, the front end of the steel outer pipe is fixedly installed with a flange, the flange is provided with a connecting hole, the side of the rear end of the connecting hole is provided with an installation groove, the front end of the pipe body extends to the outer side of the flange and is fixedly installed with a limited edge, the front end of the limiting edge is fixedly installed with an inner sealing ring, and the surface of the limiting edge is fixedly installed with an outer sealing ring.

[0007] Preferably, the wear-resistant layer is made of polyurethane rubber, and the connecting layer is made of nitrile rubber.

[0008] Preferably, the anti-rust layer is an anti-rust paint, and the outer surface of the anti-rust layer is fixedly connected with a thermal insulation layer.

[0009] Preferably, the connection holes are distributed in a ring array, and an anti-slip gasket is fixedly installed inside the mounting groove.

[0010] Preferably, the thermal insulation layer is made of glass fiber, and the anti-slip gasket is made of natural rubber.

[0011] Preferably, the anti-slip gasket is provided with anti-slip grooves, and the anti-slip grooves are distributed in a ring array.

[0012] Preferably, an elastic cavity is provided inside the outer sealing ring, and the cross section of the elastic cavity is designed to be a special-shaped structure. Beneficial Effects

[0013] The utility model provides a wear-resistant and anti-aging fluorine-lined pipeline. Compared with the prior art, it has the following beneficial effects:

[0014] 1. The wear-resistant and anti-aging fluorine-lined pipe has a connecting layer made of nitrile rubber, which has certain heat resistance and oil resistance, large damping, and can be tightly connected with metal, which is convenient for strengthening the tightness of the double-layer pipe connection. The wear-resistant layer is made of polyurethane rubber, which has excellent wear resistance and good buffering and shock absorption. It forms protection for the inner pipe, prevents the fluorine-lined pipe from being affected by external forces, reduces wear on the inner pipe, and uses the anti-rust layer as anti-rust coating to avoid rust on the steel outer pipe, thereby improving the overall performance of the fluorine-lined pipe, alleviating the aging progress of the fluorine-lined pipe, and extending the service life of the fluorine-lined pipe.

[0015] 2. This wear-resistant and aging-resistant fluorine-lined pipe, when using the fluorine-lined pipe, first connect it through the flange, and fix the fluorine-lined pipe with bolts passing through the connecting holes, so that the flange squeezes the inner sealing ring and the outer sealing ring. At the same time, the inner sealing ring and the outer sealing ring are deformed and tightly fit the connecting port of the fluorine-lined pipe. The friction of the bolt is strengthened with the anti-slip gasket to avoid the loosening of the bolt, which is beneficial to improve the stability and sealing of the installation connection of the fluorine-lined pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 .

[0017] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 .

[0018] Figure 3 This is a schematic diagram of the flange structure of the utility model.

[0019] Figure 4 It is a structural schematic diagram of the utility model.

[0020] In the figure: 1. Pipe body; 2. Wear-resistant layer; 3. Connection layer; 4. Steel outer pipe; 5. Anti-rust layer; 6. Flange; 7. Connection hole; 8. Installation groove; 9. Limiting edge; 10. Inner sealing ring; 11. Outer sealing ring; 12. Insulation layer; 13. Anti-slip gasket; 14. Anti-slip pattern; 15. Elastic cavity. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-4The utility model provides a technical solution: a wear-resistant and anti-aging fluorine-lined pipeline, comprising a pipeline body 1, the outer surface of the pipeline body 1 is fixedly connected with a wear-resistant layer 2, the outer surface of the wear-resistant layer 2 is fixedly connected with a connecting layer 3, the outer surface of the connecting layer 3 is fixedly connected with a steel outer pipe 4, the outer surface of the steel outer pipe 4 is coated with an anti-rust layer 5, the wear-resistant layer 2 is made of polyurethane rubber, the connecting layer 3 is made of nitrile rubber, the anti-rust layer 5 is an anti-rust coating, the outer surface of the anti-rust layer 5 is fixedly connected with an insulation layer 12, the insulation layer 12 is made of glass fiber, and the insulation layer 12 is fixedly connected with the outer surface of the insulation layer 12. The joint layer 3 is made of nitrile rubber, which has certain heat resistance and oil resistance, large damping, and can be connected with metal to strengthen the tightness of the double-layer pipe connection. The wear-resistant layer 2 is made of polyurethane rubber, which has excellent wear resistance and good buffering and shock absorption, forming protection for the inner pipe, preventing the fluorine-lined pipe from being affected by external forces, reducing the wear of the inner pipe, and using the anti-rust layer 5 as an anti-rust coating to avoid rust on the steel outer pipe 4, thereby improving the overall performance of the fluorine-lined pipe, alleviating the aging progress of the fluorine-lined pipe, and extending the service life of the fluorine-lined pipe.

[0023] The front end of the steel outer tube 4 is fixedly installed with a flange 6, a connecting hole 7 is opened on the flange 6, and a mounting groove 8 is opened on the side of the rear end of the connecting hole 7. The front end of the pipeline body 1 extends to the outer side of the flange 6 and is fixedly installed with a limited edge 9. The front end of the limited edge 9 is fixedly installed with an inner sealing ring 10, and the surface of the limited edge 9 is fixedly installed with an outer sealing ring 11. The connecting holes 7 are distributed in an annular array, and an anti-skid gasket 13 is fixedly installed inside the mounting groove 8. The anti-skid gasket 13 is made of natural rubber, and an anti-skid pattern 14 is opened on the anti-skid gasket 13. The anti-skid pattern 14 is in an annular array. The outer sealing ring 11 is arranged in a row, and an elastic cavity 15 is opened inside. The cross section of the elastic cavity 15 is designed with a special-shaped structure. When using the fluorine-lined pipe, it is first connected through the flange 6, and the fluorine-lined pipe is fixed by bolts passing through the connecting hole 7, so that the flange 6 squeezes the inner sealing ring 10 and the outer sealing ring 11. At the same time, the inner sealing ring 10 and the outer sealing ring 11 are deformed and tightly fit the connecting port of the fluorine-lined pipe. The friction of the bolt is strengthened with the anti-slip gasket 13 to avoid the loosening of the bolt, which is beneficial to improve the stability and sealing of the installation connection of the fluorine-lined pipe.

[0024] When working, the connecting layer 3 is made of nitrile rubber, which has certain heat resistance and oil resistance, large damping, and can be tightly connected with metal, which is convenient for strengthening the tightness of the double-layer pipe connection. The wear-resistant layer 2 is made of polyurethane rubber, which has excellent wear resistance and good buffering and shock absorption, forming protection for the inner pipe to prevent the fluorine-lined pipe from being affected by external forces and reduce the wear of the inner pipe. The anti-rust layer 5 is used as an anti-rust coating to avoid rust on the steel outer pipe 4, thereby improving the overall performance of the fluorine-lined pipe. When using the fluorine-lined pipe, first dock it through the flange 6, and fix the fluorine-lined pipe with bolts passing through the connecting hole 7, so that the flange 6 squeezes the inner sealing ring 10 and the outer sealing ring 11. At the same time, the inner sealing ring 10 and the outer sealing ring 11 are deformed and tightly fit the connecting port of the fluorine-lined pipe, and the anti-slip gasket 13 is used to strengthen the friction of the bolt to avoid the bolt loosening.

[0025] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A wear-resistant and anti-aging fluorine-lined pipeline, comprising a pipeline body (1), characterized in that: The outer surface of the pipeline body (1) is fixedly connected with a wear-resistant layer (2), the outer surface of the wear-resistant layer (2) is fixedly connected with a connecting layer (3), the outer surface of the connecting layer (3) is fixedly connected with a steel outer pipe (4), the outer surface of the steel outer pipe (4) is coated with an anti-rust layer (5), the front end of the steel outer pipe (4) is fixedly mounted with a flange (6), the flange (6) is provided with a connecting hole (7), the side of the rear end of the connecting hole (7) is provided with a mounting groove (8), the front end of the pipeline body (1) extends to the outer side of the flange (6) and is fixedly mounted with a limiting edge (9), the front end of the limiting edge (9) is fixedly mounted with an inner sealing ring (10), and the surface of the limiting edge (9) is fixedly mounted with an outer sealing ring (11).

2. The wear-resistant and anti-aging fluorine-lined pipe according to claim 1 is characterized in that: The wear-resistant layer (2) is made of polyurethane rubber, and the connecting layer (3) is made of nitrile rubber.

3. The wear-resistant and anti-aging fluorine-lined pipe according to claim 1 is characterized in that: The anti-rust layer (5) is an anti-rust paint, and the outer surface of the anti-rust layer (5) is fixedly connected to a thermal insulation layer (12).

4. The wear-resistant and anti-aging fluorine-lined pipe according to claim 3 is characterized by: The connection holes (7) are distributed in a ring array, and an anti-slip gasket (13) is fixedly installed inside the installation groove (8).

5. The wear-resistant and anti-aging fluorine-lined pipe according to claim 4 is characterized in that: The thermal insulation layer (12) is made of glass fiber, and the anti-slip gasket (13) is made of natural rubber.

6. The wear-resistant and anti-aging fluorine-lined pipe according to claim 5, characterized in that: The anti-slip gasket (13) is provided with anti-slip grooves (14), and the anti-slip grooves (14) are distributed in a ring array.

7. The wear-resistant and anti-aging fluorine-lined pipe according to claim 1 is characterized by: An elastic cavity (15) is provided inside the outer sealing ring (11), and the cross section of the elastic cavity (15) is designed to be a special-shaped structure.

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