SP-TNK wear-resistant antibacterial steel-plastic composite pipe

Abstract

The utility model relates to the technical field of steel-plastic composite pipes, and discloses an SP-TNK wear-resistant antibacterial steel-plastic composite pipe which comprises a steel pipe and an inner plastic pipe, the inner plastic pipe is arranged on the inner wall of the steel pipe, an antibacterial coating is arranged on the inner wall of the inner plastic pipe, fixing flanges are arranged at the two ends of the steel pipe, reinforcing strips are arranged on the outer wall of the steel pipe, and the reinforcing strips are arranged on the inner wall of the steel pipe. The wear-resistant steel-plastic composite pipe comprises a steel pipe, reinforcing strips are arranged on the outer side of the steel pipe, glass fiber cloth is arranged on the outer side of the steel pipe and the outer sides of the reinforcing strips, an outer plastic pipe is arranged on the outer side of the glass fiber cloth, and a wear-resistant coating is arranged on the outer side of the outer plastic pipe. The antibacterial coating is arranged on the innermost side of the steel-plastic composite pipe, so that the antibacterial performance of the inner wall of the steel-plastic composite pipe can be improved, and bacterium breeding can be effectively prevented; in addition, through the design of the glass fiber cloth and the reinforcing strips, the overall strength of the steel-plastic composite pipe can be improved, and it is guaranteed that the state of the steel-plastic composite pipe is stable in the long-term using process.

Description

Technical Field

[0001] This utility model relates to the field of steel-plastic composite pipe technology, specifically SP-TNK wear-resistant and antibacterial steel-plastic composite pipe. Background Technology

[0002] SP-TNK steel-plastic composite pipe is a pipe made of steel pipe and plastic layer. It consists of steel pipe, outer protective layer, inner protective layer and inner pipe. Due to its relatively stable physical and chemical properties, it is often used in water supply and drainage systems, heating systems, fire protection pipe networks, central air conditioning systems and other scenarios.

[0003] A Chinese patent (CN201944434U) discloses a steel-plastic composite pipe, comprising a plastic inner tube and a stainless steel outer tube installed on the outer wall of the plastic inner tube. A foamed layer is provided between the plastic inner tube and the stainless steel outer tube, and a plastic layer is provided on the outer surface of the stainless steel outer tube. This utility model organically combines the plastic inner tube and the stainless steel outer tube. The plastic inner tube has good corrosion resistance, does not rust, is environmentally friendly and hygienic, and is not prone to scale buildup after long-term use. It also has low fluid resistance and a low coefficient of friction. The stainless steel outer tube has a robust structure and strong pressure resistance. In addition, the foamed layer increases the thermal insulation effect, and the plastic layer improves the corrosion resistance, antistatic properties, and flame retardant properties, expanding the application range.

[0004] The steel-plastic composite pipes in the above-mentioned technical solutions have relatively limited functionality. After long-term use, they are prone to accumulating and breeding bacteria, causing "secondary pollution" of drinking water. This pollution originates from the large-scale reproduction of microorganisms in the pipes and their metabolic waste, which poses a great threat to the health of water users. Utility Model Content

[0005] The purpose of this invention is to provide SP-TNK wear-resistant and antibacterial steel-plastic composite pipe to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: SP-TNK wear-resistant and antibacterial steel-plastic composite pipe, comprising a steel pipe and an inner plastic pipe, wherein the inner wall of the steel pipe is provided with an inner plastic pipe, the inner wall of the inner plastic pipe is provided with an antibacterial coating, both ends of the steel pipe are provided with fixed flanges, the outer wall of the steel pipe is provided with reinforcing strips, the outer side of the steel pipe and reinforcing strips is provided with fiberglass cloth, the outer side of the fiberglass cloth is provided with an outer plastic pipe, and the outer side of the outer plastic pipe is provided with a wear-resistant coating.

[0007] Furthermore, there are multiple reinforcing strips, which are arranged along the length of the steel pipe and are evenly distributed circumferentially on the outer wall of the steel pipe.

[0008] Furthermore, the steel pipe and the fiberglass cloth are fixed together by adhesive, and the reinforcing strip and the fiberglass cloth are fixed together by adhesive.

[0009] Furthermore, the outer wall of the fixed flange is coated with anti-corrosion paint.

[0010] Furthermore, a movable flange ring is provided on one side of the fixed flange, and the movable flange ring has an installation through hole.

[0011] Furthermore, the inner diameter of the movable flange ring is smaller than the outer diameter of the fixed flange, and there are multiple mounting through holes, which are evenly arranged circumferentially on the movable flange ring.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This utility model, through the setting of a wear-resistant coating, an outer plastic tube, and an antibacterial coating, achieves the following when using SP-TNK wear-resistant and antibacterial steel-plastic composite pipe: by setting a wear-resistant coating on the outermost side of the steel-plastic composite pipe, the overall wear resistance of the steel-plastic composite pipe is improved; by setting an antibacterial coating on the innermost side of the steel-plastic composite pipe, the antibacterial performance of the inner wall of the steel-plastic composite pipe is improved, which can effectively prevent the growth of bacteria.

[0014] In addition, the design of fiberglass cloth and reinforcing strips can increase the overall strength of the steel-plastic composite pipe and ensure its stability during long-term use.

[0015] The parts of the device not covered herein are the same as or can be implemented using existing technologies. Attached Figure Description

[0016] Figure 1 This is a perspective view of the SP-TNK wear-resistant and antibacterial steel-plastic composite pipe of this utility model;

[0017] Figure 2 This is a perspective view of the SP-TNK wear-resistant and antibacterial steel-plastic composite pipe of this utility model.

[0018] Figure 3 This is a front view of the SP-TNK wear-resistant and antibacterial steel-plastic composite pipe of this utility model;

[0019] Figure 4 This is a front sectional view of the SP-TNK wear-resistant and antibacterial steel-plastic composite pipe of this utility model.

[0020] In the diagram: 1. Wear-resistant coating; 2. Outer plastic tube; 3. Fiberglass cloth; 4. Steel pipe; 5. Reinforcing strip; 6. Inner plastic tube; 7. Antibacterial coating; 8. Movable flange ring; 9. Fixed flange; 10. Mounting through hole. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Please see Figures 1-4 This utility model provides a technical solution: SP-TNK wear-resistant and antibacterial steel-plastic composite pipe, including a steel pipe 4 and an inner plastic pipe 6. The inner wall of the steel pipe 4 is provided with the inner plastic pipe 6, and the inner wall of the inner plastic pipe 6 is provided with an antibacterial coating 7. Fixed flanges 9 are provided at both ends of the steel pipe 4. Reinforcing strips 5 are provided on the outer wall of the steel pipe 4. Fiberglass cloth 3 is provided on the outside of the steel pipe 4 and the reinforcing strips 5. An outer plastic pipe 2 is provided on the outside of the fiberglass cloth 3, and a wear-resistant coating 1 is provided on the outside of the outer plastic pipe 2. The steel pipe 4: As the main supporting structure of the entire composite pipe, the steel pipe provides the necessary strength and rigidity, and can withstand large internal pressure and external loads. Inner plastic tube 6: Located on the inner wall of steel pipe 4, it isolates the medium from direct contact with the steel pipe, preventing corrosion of the steel pipe by the medium. At the same time, it increases the smoothness of the inner wall of the pipe and reduces fluid resistance. Antibacterial coating 7 is coated on the inner wall of the inner plastic tube, which effectively inhibits the growth of bacteria, mold and other microorganisms, ensuring the hygiene and safety of the transported medium. It is especially suitable for drinking water, food processing and other industries. Fluoropolymer material: The antibacterial coating 7 can be such as polytetrafluoroethylene (PTFE) and trifluoromethyl methacrylate (TFM).

[0023] There are multiple reinforcing strips 5, which are arranged along the length of the steel pipe 4 and are evenly distributed circumferentially on the outer wall of the steel pipe 4. The reinforcing strips arranged along the outer wall of the steel pipe can significantly improve the pipe's resistance to bending and pressure, especially when it needs to withstand large external pressure or is used underground.

[0024] The steel pipe 4 and the fiberglass cloth 3 are fixed together by adhesive, and the reinforcing strip 5 and the fiberglass cloth 3 are also fixed together by adhesive. Wrapped around the outside of the steel pipe and the reinforcing strip, the fiberglass cloth, with its high strength and good corrosion resistance, provides additional structural support and protection for the pipeline, preventing external damage.

[0025] The steel pipe 4 is equipped with fixed flanges 9 at both ends, and the outer wall of the fixed flanges 9 is coated with anti-corrosion paint. The fixed flanges 9 are located at both ends of the steel pipe 4 and are used for connection and fixation between pipes. The flange connection is convenient and reliable, easy to install, disassemble and maintain, and can also accommodate certain thermal expansion and contraction.

[0026] A movable flange ring 8 is provided on one side of the fixed flange 9, and an installation through hole 10 is provided on the movable flange ring 8.

[0027] The inner diameter of the movable flange ring 8 is smaller than the outer diameter of the fixed flange 9. There are multiple mounting holes 10, which are evenly arranged circumferentially on the movable flange ring 8. The movable flange ring 8 is fitted onto one side of the fixed flange 9. Bolts or other fasteners are passed through the mounting holes 10 to tightly connect the movable flange rings 8 at the ends of the two steel pipes, at which point the fixed flange 9 abuts and seals.

[0028] When using SP-TNK wear-resistant and antibacterial steel-plastic composite pipe, the wear-resistant coating 1 is set on the outermost side of the steel-plastic composite pipe to improve the overall wear resistance of the steel-plastic composite pipe. The antibacterial coating is set on the innermost side of the steel-plastic composite pipe to improve the antibacterial performance of the inner wall of the steel-plastic composite pipe and effectively prevent the growth of bacteria.

[0029] Furthermore, the design of fiberglass cloth and reinforcing strip 5 can increase the overall strength of the steel-plastic composite pipe and ensure its stability during long-term use.

[0030] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

Claims

1. SP-TNK wear-resistant and antibacterial steel-plastic composite pipe, comprising a steel pipe (4) and an inner plastic pipe (6), characterized in that: The inner wall of the steel pipe (4) is provided with an inner plastic pipe (6), the inner wall of the inner plastic pipe (6) is provided with an antibacterial coating (7), the two ends of the steel pipe (4) are provided with fixed flanges (9), the outer wall of the steel pipe (4) is provided with reinforcing strips (5), the outer side of the steel pipe (4) and the reinforcing strips (5) is provided with glass fiber cloth (3), the outer side of the glass fiber cloth (3) is provided with an outer plastic pipe (2), and the outer side of the outer plastic pipe (2) is provided with a wear-resistant coating (1).

2. The SP-TNK wear-resistant and antibacterial steel-plastic composite pipe according to claim 1, characterized in that: The reinforcing strips (5) are multiple, the multiple reinforcing strips (5) are arranged along the length direction of the steel pipe (4), and the multiple reinforcing strips (5) are uniformly arranged in the circumferential direction on the outer wall of the steel pipe (4).

3. The SP-TNK wear-resistant and antibacterial steel-plastic composite pipe according to claim 1, characterized in that: The steel pipe (4) and the glass fiber cloth (3) are fixed by adhesion, and the reinforcing strips (5) and the glass fiber cloth (3) are fixed by adhesion.

4. The SP-TNK wear-resistant and antibacterial steel-plastic composite pipe according to claim 1, characterized in that: The outer wall of the fixed flange (9) is provided with anticorrosive paint.

5. The SP-TNK wear-resistant and antibacterial steel-plastic composite pipe according to claim 4, characterized in that: One side of the fixed flange (9) is provided with a movable flange ring (8), and the movable flange ring (8) is provided with mounting through holes (10).

6. The SP-TNK wear-resistant and antibacterial steel-plastic composite pipe according to claim 5, characterized in that: The inner ring of the movable flange ring (8) is smaller than the outer diameter of the fixed flange (9), and the mounting through holes (10) are multiple, and the multiple mounting through holes (10) are uniformly arranged in the circumferential direction on the movable flange ring (8).

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