Internal and external basalt fiber reinforced BF winding pipe

Abstract

The utility model relates to an inside and outside basalt fiber reinforced BF winding pipe, which belongs to the technical field of winding pipes and comprises a pipe body, the pipe body comprises a corrosion-resistant inner layer on the innermost side, a weather-resistant outer layer on the outermost side and a reinforced middle layer in the middle, and the reinforced middle layer comprises a glass fiber layer, an inner basalt fiber layer and an outer basalt fiber layer. The glass fiber layer is positioned between the inner basalt fiber layer and the outer basalt fiber layer. According to the inner and outer basalt fiber reinforced BF winding pipe, the glass fiber layer, the inner basalt fiber layer and the outer basalt fiber layer form the reinforced middle layer, and the glass fiber layer is protected inside through the inner basalt fiber layer and the outer basalt fiber layer, so that the glass fiber layer is not prone to damage, the strength of the pipe body is higher, and the service life of the pipe body is prolonged. The problems that a glass fiber pipe layer in a common glass fiber winding pipe is located between a heat preservation pipe and an inner pipe, the brittleness of a single glass fiber pipe layer is large, and the single glass fiber pipe layer is prone to being broken when being impacted are solved.

Description

Technical Field

[0001] This utility model relates to the field of spiral wound tube technology, specifically to a spiral wound tube reinforced with inner and outer basalt fiber (BF). Background Technology

[0002] Spiral wound pipe is a type of pipe with a unique structure and wide applications. It typically consists of multiple layers of materials. Taking common plastic spiral wound pipe as an example, it generally includes an inner sealing layer, a middle reinforcing layer, and an outer protective layer. The inner sealing layer primarily prevents liquid or gas leakage and usually uses materials with good sealing performance and chemical stability, such as polyethylene. The reinforcing layer is a crucial part of the spiral wound pipe, determining its strength and pressure resistance. It generally uses high-strength fiber materials, such as glass fiber and basalt fiber, and forms a cross-woven structure through a specific winding process, giving the pipe high ring stiffness and compressive strength.

[0003] Utility model patent CN208295314U discloses a fiberglass spiral wound tube, including a wound tube body and connecting rings. The wound tube body includes an insulation tube, a fiberglass tube layer, and an inner tube. Connecting joints are provided at both ends of the wound tube body, with fastening grooves on the outer walls of the connecting joints. The connecting rings are semi-circular, with a circular connecting groove in the middle of their inner walls. Fastening blocks are provided at both ends of the connecting rings, with bolt holes on the fastening blocks. Two connecting rings are provided, connected by anti-loosening bolts threaded into the bolt holes. This utility model provides antifreeze and UV protection for the spiral wound tube, increasing its service life; it has sufficient sealing to prevent water ingress and damage to the internal protective components; and the connection method facilitates the connection and disassembly of the spiral wound tube, making it easy to replace damaged tubes.

[0004] However, the glass fiber tube layer in this glass fiber wound tube is located between the insulation tube and the inner tube, and a single glass fiber tube layer is relatively brittle and easily breaks when subjected to impact. Therefore, a basalt fiber reinforced BF wound tube is proposed to solve the problems mentioned above. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides an inner and outer basalt fiber reinforced BF wound pipe, which has the advantages of protecting the glass fiber with inner and outer basalt fibers and increasing the strength of the wound pipe. It solves the problem that in common glass fiber wound pipes, the glass fiber tube layer is located between the insulation pipe and the inner pipe, and the single glass fiber tube layer is brittle and easily breaks when subjected to impact.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A basalt fiber reinforced BF spiral pipe includes a pipe body, the pipe body comprising an innermost corrosion-resistant inner layer, an outermost weather-resistant outer layer, and a middle reinforcing intermediate layer;

[0008] The reinforcing intermediate layer includes a glass fiber layer, an inner basalt fiber layer, and an outer basalt fiber layer, with the glass fiber layer located between the inner and outer basalt fiber layers.

[0009] Furthermore, a hot-melt layer is provided on the surface of the corrosion-resistant inner layer, and the surface of the corrosion-resistant inner layer is hot-melt connected to the reinforcing intermediate layer through the hot-melt layer.

[0010] Furthermore, a hot-melt layer is provided on the surface of the reinforcing intermediate layer, and the surface of the reinforcing intermediate layer is hot-melt connected to the weather-resistant outer layer through the hot-melt layer.

[0011] Furthermore, the inner basalt fiber layer is located on the surface of the corrosion-resistant inner layer, and the surface of the inner basalt fiber layer is thermally fused to the glass fiber layer through a hot-melt layer.

[0012] Furthermore, the surface of the glass fiber layer is thermally fused to the outer basalt fiber layer via a hot-melt layer, and the weather-resistant outer layer is located on the surface of the outer basalt fiber layer.

[0013] Furthermore, a connecting sleeve is fixedly installed on the surface of one end of the tube, and a sealing filling cavity is opened in the middle part of the inner side wall of the connecting sleeve.

[0014] Furthermore, the top and sides of the connecting sleeve are both fitted with filling tubes, the internal threads of the filling tubes are fitted with sealing bolts, and one end of the tube body is fixedly fitted with a connecting inner tube, the outer diameter of the connecting inner tube being adapted to the inner diameter of the tube body.

[0015] Compared with the prior art, this utility model provides an internally and externally basalt fiber reinforced BF wound tube, which has the following beneficial effects:

[0016] 1. This inner and outer basalt fiber reinforced BF spiral pipe consists of a glass fiber layer, an inner basalt fiber layer, and an outer basalt fiber layer forming a reinforcing intermediate layer. The inner and outer basalt fiber layers protect the glass fiber layer, making it less prone to damage and increasing the pipe's strength. This solves the problem in common glass fiber spiral pipes where the glass fiber layer is located between the insulation pipe and the inner pipe, resulting in a single glass fiber layer that is brittle and easily breaks upon impact.

[0017] 2. This inner and outer basalt fiber reinforced BF spiral pipe is installed with a butt sleeve on the surface of one end of the pipe body. One section of the pipe body is inserted into the butt sleeve, so that the two sections of the pipe body are joined together. Sealing material is filled into the sealing cavity through the filling tube. Finally, the filling tube is sealed with sealing bolts, which increases the pipe body installation efficiency. Attached Figure Description

[0018] Figure 1 This is a cross-sectional view of the structure of this utility model.

[0019] Figure 2 This is a front sectional view of the structure of this utility model;

[0020] Figure 3 This is a cross-sectional view of the tube structure of this utility model;

[0021] Figure 4 This is a three-dimensional cross-sectional view of the structure of this utility model.

[0022] In the diagram: 1. Pipe body; 101. Corrosion-resistant inner layer; 102. Weather-resistant outer layer; 103. Reinforcing intermediate layer; 1031. Glass fiber layer; 1032. Inner basalt fiber layer; 1033. Outer basalt fiber layer; 10. Hot-melt layer; 2. Butt sleeve; 3. Sealed filling cavity; 4. Filler tube; 5. Sealing bolt; 6. Butt inner tube. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1 to 4 The basalt fiber reinforced BF wound pipe in this embodiment includes a pipe body 1, which includes an innermost corrosion-resistant inner layer 101, an outermost weather-resistant outer layer 102, and a middle reinforcing intermediate layer 103.

[0025] It should be noted that the corrosion-resistant inner layer 101 is made of high-performance plastic materials that are corrosion-resistant and wear-resistant, such as ultra-high molecular weight polyethylene or polytetrafluoroethylene. Its surface is smooth, which can effectively reduce the resistance of the medium when it flows in the pipeline, and at the same time prevent the medium from corroding the inside of the pipeline.

[0026] The weather-resistant outer layer 102 is made of materials with good UV resistance and weather resistance, such as polyurethane coating or fluorocarbon coating, which can effectively protect the pipeline from corrosion by natural factors such as sunlight, rain, wind and sand, and extend the service life of the pipeline.

[0027] The reinforced intermediate layer 103 includes a glass fiber layer 1031, an inner basalt fiber layer 1032, and an outer basalt fiber layer 1033, with the glass fiber layer 1031 located between the inner basalt fiber layer 1032 and the outer basalt fiber layer 1033.

[0028] Specifically, the inner basalt fiber layer 1032 and the outer basalt fiber layer 1033 protect the glass fiber layer 1031, preventing damage to the glass fiber layer 1031, increasing the strength of the pipe body 1, and extending its service life.

[0029] It should be noted that the inner basalt fiber layer 1032 and the outer basalt fiber layer 1033 can withstand the pressure and tension generated by the medium inside the pipeline, as well as resist the erosion and mechanical damage of the external environment, providing strong structural support.

[0030] Please see Figure 3 In this embodiment, a hot-melt layer 10 is provided on the surface of the corrosion-resistant inner layer 101, and the surface of the corrosion-resistant inner layer 101 is hot-melt connected to the reinforcing intermediate layer 103 through the hot-melt layer 10.

[0031] A hot-melt layer 10 is provided on the surface of the reinforcing intermediate layer 103, and the surface of the reinforcing intermediate layer 103 is hot-melt connected to the weather-resistant outer layer 102 through the hot-melt layer 10.

[0032] The inner basalt fiber layer 1032 is located on the surface of the corrosion-resistant inner layer 101, and the surface of the inner basalt fiber layer 1032 is thermally fused to the glass fiber layer 1031 through the hot-melt layer 10.

[0033] The surface of the glass fiber layer 1031 is thermally bonded to the outer basalt fiber layer 1033 through the hot-melt layer 10, and the weather-resistant outer layer 102 is located on the surface of the outer basalt fiber layer 1033.

[0034] It should be noted that the hot melt layer 10 plays the role of each layer, enhancing the bonding strength between the fiber and the matrix, and improving the overall mechanical properties of the pipe.

[0035] Please see Figure 1 , Figure 2 and Figure 4 In this embodiment, a docking sleeve 2 is fixedly installed on the surface of one end of the tube body 1, and a sealing filling cavity 3 is opened in the middle part of the inner side wall of the docking sleeve 2.

[0036] The top and sides of the connecting sleeve 2 are both fitted with filling tubes 4, and the internal threads of the filling tube 4 are fitted with sealing bolts 5. One end of the tube body 1 is fixedly fitted with a connecting inner tube 6, and the outer diameter of the connecting inner tube 6 is matched with the inner diameter of the tube body 1.

[0037] Specifically, the inner tube 6 at one end of one section of pipe 1 is inserted into another section of pipe 1, so that one section of pipe 1 is inserted into the connecting sleeve 2 of the other section of pipe 1. Sealing material is filled into the sealing filling cavity 3 through the filling tube 4. After filling, the sealing bolt 5 is screwed into the filling tube 4 to complete the connection of the two sections of pipe 1.

[0038] The working principle of the above embodiment is as follows: an inner basalt fiber layer 1032, a glass fiber layer 1031 and an outer basalt fiber layer 1033 are sequentially wound around the surface of the corrosion-resistant inner layer 101, and the glass fiber layer 1031 is protected inside by the inner basalt fiber layer 1032 and the outer basalt fiber layer 1033.

[0039] The installation, connection, or setting methods disclosed in this embodiment are all common mechanical connection methods, and any method that can achieve its beneficial effects can be implemented.

[0040] It should be noted that the orientations or positional relationships indicated herein are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the purpose of facilitating the description of this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0041] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A basalt fiber reinforced BF wound pipe, comprising a pipe body (1), characterized in that: The tube body (1) includes an innermost corrosion-resistant inner layer (101), an outermost weather-resistant outer layer (102), and a middle reinforcing intermediate layer (103). The reinforcing intermediate layer (103) includes a glass fiber layer (1031), an inner basalt fiber layer (1032), and an outer basalt fiber layer (1033), wherein the glass fiber layer (1031) is located between the inner basalt fiber layer (1032) and the outer basalt fiber layer (1033).

2. The basalt fiber reinforced BF wound tube according to claim 1, characterized in that: The surface of the corrosion-resistant inner layer (101) is provided with a hot-melt layer (10), and the surface of the corrosion-resistant inner layer (101) is hot-melt connected to the reinforcing intermediate layer (103) through the hot-melt layer (10).

3. The basalt fiber reinforced BF wound tube according to claim 2, characterized in that: The surface of the reinforcing intermediate layer (103) is provided with a hot-melt layer (10), and the surface of the reinforcing intermediate layer (103) is hot-melt connected to the weather-resistant outer layer (102) through the hot-melt layer (10).

4. The basalt fiber reinforced BF wound tube according to claim 3, characterized in that: The inner basalt fiber layer (1032) is located on the surface of the corrosion-resistant inner layer (101), and the surface of the inner basalt fiber layer (1032) is thermally fused to the glass fiber layer (1031) through the hot-melt layer (10).

5. The basalt fiber reinforced BF wound tube according to claim 4, characterized in that: The surface of the glass fiber layer (1031) is thermally fused to the outer basalt fiber layer (1033) through a hot-melt layer (10), and the weather-resistant outer layer (102) is located on the surface of the outer basalt fiber layer (1033).

6. The basalt fiber reinforced BF wound tube according to claim 1, characterized in that: A connecting sleeve (2) is fixedly installed on the surface of one end of the tube (1), and a sealing filling cavity (3) is opened in the middle part of the inner side wall of the connecting sleeve (2).

7. The basalt fiber reinforced BF wound tube according to claim 6, characterized in that: The top and sides of the connecting sleeve (2) are both fitted with filling tubes (4), and the internal threads of the filling tube (4) are fitted with sealing bolts (5). One end of the tube body (1) is fixedly fitted with a connecting inner tube (6), and the outer diameter of the connecting inner tube (6) is matched with the inner diameter of the tube body (1).

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