Corrosion-resistant polymer pipeline

Abstract

The utility model relates to the technical field of pipelines, and discloses a corrosion-resistant polymer pipeline which solves the problems that an existing polymer pipeline is poor in corrosion resistance, strength and antibacterial performance. The composite material comprises an ultra-high molecular weight polyethylene outer layer, a first bonding layer, an ultra-high molecular weight polyethylene middle layer, a reinforced outer layer, a second bonding layer, an ultra-high molecular weight polyethylene inner layer, a reinforced inner layer, a glass fiber reinforced plastic corrosion-resistant layer, a ceramic corrosion-resistant inner layer and a silver ion antibacterial coating, the reinforcing outer layer is located between the ultra-high molecular weight polyethylene middle layer and the ultra-high molecular weight polyethylene outer layer, the reinforcing inner layer is located between the ultra-high molecular weight polyethylene middle layer and the ultra-high molecular weight polyethylene inner layer, and the glass fiber reinforced plastic corrosion-resistant layer is connected to the inner surface of the ultra-high molecular weight polyethylene inner layer. The ceramic corrosion-resistant inner layer is connected to the inner surface of the glass fiber reinforced plastic corrosion-resistant layer, and the silver ion antibacterial coating is connected to the inner surface of the ceramic corrosion-resistant inner layer; the corrosion resistance, the strength and the antibacterial performance of the high-molecular pipeline can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipelines, in particular to a corrosion-resistant polymer pipeline. Background Art

[0002] Polymer pipes have excellent performance and are therefore widely used. However, existing polymer pipes usually have a relatively simple structure, generally made of single-layer or double-layer polyethylene material, and their overall corrosion resistance needs to be improved. Moreover, the existing polymer pipes lack a reinforcing structure inside. How to improve the overall tensile and compressive strength of the polymer pipes is also an urgent problem to be solved. In addition, the existing polymer pipes also have the disadvantage of poor antibacterial performance. When polymer pipes are used for water supply and drainage, they are prone to breed bacteria and are unsafe to use. Therefore, this application proposes a corrosion-resistant polymer pipe. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the existing technology, the utility model provides a corrosion-resistant polymer pipeline, which effectively solves the problems of poor corrosion resistance, strength and antibacterial performance of the existing polymer pipeline.

[0004] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a corrosion-resistant polymer pipe, comprising an ultra-high molecular weight polyethylene outer layer, a first adhesive layer, an ultra-high molecular weight polyethylene intermediate layer, a reinforced outer layer, a second adhesive layer, an ultra-high molecular weight polyethylene inner layer, a reinforced inner layer, a glass fiber reinforced plastic corrosion-resistant layer, a ceramic corrosion-resistant inner layer and a silver ion antibacterial coating, wherein the ultra-high molecular weight polyethylene intermediate layer is connected to the inner surface of the ultra-high molecular weight polyethylene outer layer, the reinforced outer layer is located between the ultra-high molecular weight polyethylene intermediate layer and the ultra-high molecular weight polyethylene outer layer, the first adhesive layer is connected between the ultra-high molecular weight polyethylene outer layer, the reinforced outer layer and the ultra-high molecular weight polyethylene intermediate layer, the ultra-high molecular weight polyethylene inner layer is connected to the inner surface of the ultra-high molecular weight polyethylene intermediate layer, the reinforced inner layer is located between the ultra-high molecular weight polyethylene intermediate layer and the ultra-high molecular weight polyethylene inner layer, the second adhesive layer is connected between the ultra-high molecular weight polyethylene intermediate layer, the reinforced inner layer and the ultra-high molecular weight polyethylene inner layer, the glass fiber reinforced plastic corrosion-resistant layer is connected to the inner surface of the ultra-high molecular weight polyethylene inner layer, the ceramic corrosion-resistant inner layer is connected to the inner surface of the glass fiber reinforced plastic corrosion-resistant layer, and the silver ion antibacterial coating is connected to the inner surface of the ceramic corrosion-resistant inner layer.

[0005] Preferably, the reinforced outer layer is composed of a transversely stretched flat steel bar, a first spiral flat steel bar and a second spiral flat steel bar. The transversely stretched flat steel bar and the first spiral flat steel bar and the second spiral flat steel bar are welded connection structures, and the spiral directions of the first spiral flat steel bar and the second spiral flat steel bar are opposite.

[0006] Preferably, the reinforced inner layer is composed of a transversely drawn thin steel wire, a first spiral thin steel wire and a second spiral thin steel wire. The transversely drawn thin steel wire and the first spiral thin steel wire and the second spiral thin steel wire are welded together, and the spiral directions of the first spiral thin steel wire and the second spiral thin steel wire are opposite.

[0007] Preferably, the FRP corrosion-resistant layer is composed of a sticky epoxy resin matrix, a first glass fiber filament and a second glass fiber filament, the first glass fiber filament and the second glass fiber filament are a cross-wound structure, and the sticky epoxy resin matrix covers the outer surfaces of the first glass fiber filament and the second glass fiber filament.

[0008] Compared with the prior art, the beneficial effects of the present invention are:

[0009] (1) During operation, by providing a reinforced outer layer consisting of a transversely stretched flat steel bar, a first spiral flat steel bar, and a second spiral flat steel bar, and a reinforced inner layer consisting of a transversely stretched thin steel wire, a first spiral thin steel wire, and a second spiral thin steel wire, the overall strength of the polymer pipe can be improved, thereby increasing the service life of the polymer pipe;

[0010] (2) By providing an ultra-high molecular weight polyethylene outer layer, an ultra-high molecular weight polyethylene middle layer, an ultra-high molecular weight polyethylene inner layer, a glass fiber reinforced plastic corrosion-resistant layer, and a ceramic corrosion-resistant inner layer, the corrosion resistance of the polymer pipeline can be improved. By providing a silver ion antibacterial coating, the antibacterial performance of the polymer pipeline can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.

[0012] In the attached figure:

[0013] Figure 1 This is a schematic diagram of the structure of the corrosion-resistant polymer pipeline layer of the utility model;

[0014] Figure 2 This is a schematic diagram of the connection structure between the reinforced outer layer and the ultra-high molecular weight polyethylene middle layer of the utility model;

[0015] Figure 3 This is a schematic diagram of the expanded structure of the reinforced inner layer of the utility model;

[0016] Figure 4 This is a schematic diagram of the local structure of the glass fiber reinforced plastic corrosion-resistant layer of the utility model;

[0017] In the figure: 1. Ultra-high molecular weight polyethylene outer layer; 2. First adhesive layer; 3. Ultra-high molecular weight polyethylene middle layer; 4. Reinforced outer layer; 5. Second adhesive layer; 6. Ultra-high molecular weight polyethylene inner layer; 7. Reinforced inner layer; 8. Glass fiber reinforced plastic corrosion-resistant layer; 9. Ceramic corrosion-resistant inner layer; 10. Silver ion antibacterial coating; 11. Horizontally stretched flat steel bar; 12. First spiral flat steel bar; 13. Second spiral flat steel bar; 14. Horizontally stretched fine steel wire; 15. First spiral fine steel wire; 16. Second spiral fine steel wire; 17. Adhesive epoxy resin matrix; 18. First glass fiber yarn; 19. Second glass fiber yarn. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0019] Depend on Figure 1 The utility model provides a corrosion-resistant polymer pipe, comprising an ultra-high molecular weight polyethylene outer layer 1, a first adhesive layer 2, an ultra-high molecular weight polyethylene middle layer 3, a reinforced outer layer 4, a second adhesive layer 5, an ultra-high molecular weight polyethylene inner layer 6, a reinforced inner layer 7, a glass fiber reinforced plastic corrosion-resistant layer 8, a ceramic corrosion-resistant inner layer 9 and a silver ion antibacterial coating 10, the ultra-high molecular weight polyethylene middle layer 3 is connected to the inner surface of the ultra-high molecular weight polyethylene outer layer 1, the reinforced outer layer 4 is located between the ultra-high molecular weight polyethylene middle layer 3 and the ultra-high molecular weight polyethylene outer layer 1, the first adhesive layer 2 is connected to the ultra-high molecular weight polyethylene outer layer 1, the reinforced inner layer 7, the glass fiber reinforced plastic corrosion-resistant layer 8, the ceramic corrosion-resistant inner layer 9 and the silver ion antibacterial coating 10, Between the outer layer 4 and the ultra-high molecular weight polyethylene intermediate layer 3, the ultra-high molecular weight polyethylene inner layer 6 is connected to the inner surface of the ultra-high molecular weight polyethylene intermediate layer 3, the reinforced inner layer 7 is located between the ultra-high molecular weight polyethylene intermediate layer 3 and the ultra-high molecular weight polyethylene inner layer 6, the second adhesive layer 5 is connected between the ultra-high molecular weight polyethylene intermediate layer 3, the reinforced inner layer 7 and the ultra-high molecular weight polyethylene inner layer 6, the fiberglass corrosion-resistant layer 8 is connected to the inner surface of the ultra-high molecular weight polyethylene inner layer 6, the ceramic corrosion-resistant inner layer 9 is connected to the inner surface of the fiberglass corrosion-resistant layer 8, and the silver ion antibacterial coating 10 is connected to the inner surface of the ceramic corrosion-resistant inner layer 9;

[0020] The ultra-high molecular weight polyethylene outer layer 1, the ultra-high molecular weight polyethylene middle layer 3 and the ultra-high molecular weight polyethylene inner layer 6 themselves have excellent properties such as impact resistance, low temperature resistance, wear resistance, chemical corrosion resistance, self-lubrication, and shock absorption. The fiberglass corrosion-resistant layer 8 and the ceramic corrosion-resistant inner layer 9 can further improve the corrosion resistance of the pipeline and further improve the pipeline strength. The reinforced outer layer 4 and the reinforced inner layer 7 can improve the compressive and tensile properties of the pipeline and extend the service life of the pipeline.

[0021] Depend on Figures 1 to 3 It is given that the reinforced outer layer 4 is composed of a transversely stretched flat steel bar 11, a first spiral flat steel bar 12, and a second spiral flat steel bar 13. The transversely stretched flat steel bar 11 and the first spiral flat steel bar 12 and the second spiral flat steel bar 13 are welded connection structures, and the spiral directions of the first spiral flat steel bar 12 and the second spiral flat steel bar 13 are opposite. The reinforced inner layer 7 is composed of a transversely stretched thin steel wire 14, a first spiral thin steel wire 15 and a second spiral thin steel wire 16. The transversely stretched thin steel wire 14 and the first spiral thin steel wire 15 and the second spiral thin steel wire 16 are welded connection structures, and the spiral directions of the first spiral thin steel wire 15 and the second spiral thin steel wire 16 are opposite.

[0022] The horizontally stretched flat steel bar 11, the first spiral flat steel bar 12 and the second spiral flat steel bar 13 improve the external strength, and the horizontally stretched thin steel wire 14, the first spiral thin steel wire 15 and the second spiral thin steel wire 16 improve the internal strength, thereby improving the overall strength of the pipeline;

[0023] Depend on Figure 1 and Figure 4 The glass fiber reinforced plastic corrosion-resistant layer 8 is composed of a sticky epoxy resin matrix 17, a first glass fiber filament 18, and a second glass fiber filament 19. The first glass fiber filament 18 and the second glass fiber filament 19 are in a cross-wound structure, and the sticky epoxy resin matrix 17 covers the outer surface of the first glass fiber filament 18 and the second glass fiber filament 19.

[0024] The glass fiber reinforced plastic corrosion-resistant layer 8 composed of the adhesive epoxy resin matrix 17, the first glass fiber filaments 18 and the second glass fiber filaments 19 can further improve the corrosion resistance and overall strength.

[0025] During operation, by setting a reinforced outer layer composed of a transversely stretched flat steel bar, a first spiral flat steel bar and a second spiral flat steel bar, and a reinforced inner layer composed of a transversely stretched fine steel wire, a first spiral fine steel wire and a second spiral fine steel wire, the overall strength of the polymer pipeline can be improved, thereby increasing the service life of the polymer pipeline; by setting an ultra-high molecular weight polyethylene outer layer, an ultra-high molecular weight polyethylene middle layer and an ultra-high molecular weight polyethylene inner layer, a fiberglass corrosion-resistant layer and a ceramic corrosion-resistant inner layer, the corrosion resistance of the polymer pipeline can be improved, and by setting a silver ion antibacterial coating, the antibacterial performance of the polymer pipeline can be improved.

Claims

1. A corrosion-resistant polymer pipe comprising an ultra-high molecular weight polyethylene outer layer (1), a first adhesive layer (2), an ultra-high molecular weight polyethylene middle layer (3), a reinforced outer layer (4), a second adhesive layer (5), an ultra-high molecular weight polyethylene inner layer (6), a reinforced inner layer (7), a glass fiber reinforced plastic corrosion-resistant layer (8), a ceramic corrosion-resistant inner layer (9) and a silver ion antibacterial coating (10), characterized in that: The ultra-high molecular weight polyethylene intermediate layer (3) is connected to the inner surface of the ultra-high molecular weight polyethylene outer layer (1), the reinforced outer layer (4) is located between the ultra-high molecular weight polyethylene intermediate layer (3) and the ultra-high molecular weight polyethylene outer layer (1), the first adhesive layer (2) is connected between the ultra-high molecular weight polyethylene outer layer (1), the reinforced outer layer (4) and the ultra-high molecular weight polyethylene intermediate layer (3), the ultra-high molecular weight polyethylene inner layer (6) is connected to the inner surface of the ultra-high molecular weight polyethylene intermediate layer (3), the reinforced inner layer (7) is located between the ultra-high molecular weight polyethylene intermediate layer (3) and the ultra-high molecular weight polyethylene inner layer (6), the second adhesive layer (5) is connected between the ultra-high molecular weight polyethylene intermediate layer (3), the reinforced inner layer (7) and the ultra-high molecular weight polyethylene inner layer (6), the glass fiber reinforced plastic corrosion-resistant layer (8) is connected to the inner surface of the ultra-high molecular weight polyethylene inner layer (6), the ceramic corrosion-resistant inner layer (9) is connected to the inner surface of the glass fiber reinforced plastic corrosion-resistant layer (8), and the silver ion antibacterial coating (10) is connected to the inner surface of the ceramic corrosion-resistant inner layer (9).

2. The corrosion-resistant polymer pipe according to claim 1, characterized in that: The reinforced outer layer (4) is composed of a transversely stretched flat steel bar (11), a first spiral flat steel bar (12) and a second spiral flat steel bar (13); the transversely stretched flat steel bar (11) and the first spiral flat steel bar (12) and the second spiral flat steel bar (13) are welded connection structures; the spiral directions of the first spiral flat steel bar (12) and the second spiral flat steel bar (13) are opposite.

3. The corrosion-resistant polymer pipe according to claim 1, characterized in that: The reinforced inner layer (7) is composed of a transversely drawn thin steel wire (14), a first spiral thin steel wire (15) and a second spiral thin steel wire (16); the transversely drawn thin steel wire (14) and the first spiral thin steel wire (15) and the second spiral thin steel wire (16) are welded together, and the spiral directions of the first spiral thin steel wire (15) and the second spiral thin steel wire (16) are opposite.

4. The corrosion-resistant polymer pipe according to claim 1, characterized in that: The glass fiber reinforced plastic corrosion-resistant layer (8) is composed of a sticky epoxy resin matrix (17), a first glass fiber filament (18) and a second glass fiber filament (19), wherein the first glass fiber filament (18) and the second glass fiber filament (19) are in a cross-wound structure, and the sticky epoxy resin matrix (17) covers the outer surfaces of the first glass fiber filament (18) and the second glass fiber filament (19).

Images