Double-wall corrugated pipe with good corrosion-resistant effect

Abstract

The utility model discloses a double-wall corrugated pipe with a good corrosion-resistant effect. The double-wall corrugated pipe comprises a double-wall corrugated pipe inner pipe and a double-wall corrugated pipe outer pipe, and an inner cavity of the pipeline mechanism is fixedly connected with the surface of the inner pipe of the double-wall corrugated pipe. The stainless steel pipe layer is fixedly sleeved on the surface of the double-wall corrugated pipe inner pipe, the carbon steel pipe layer is fixedly sleeved on the surface of the stainless steel pipe layer, the aluminum pipe layer is fixedly sleeved on the surface of the carbon steel pipe layer, and the polyvinyl chloride is fixedly sleeved on the surface of the aluminum pipe layer. The surface of polyvinyl chloride is fixedly sleeved with an aluminum-copper alloy layer in a glue fixing mode, the surface of the aluminum-copper alloy layer is fixedly sleeved with a resin-based fiber composite material in a welding fixing mode, the surface of the resin-based fiber composite material is fixedly sleeved with nickel-based alloy, and the surface of the nickel-based alloy is fixedly sleeved with polyurethane foam. And the surface of the polyurethane foam is fixedly sleeved with galvanized steel, so that the service life of the double-wall corrugated pipe is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of double-wall corrugated pipes, in particular to a double-wall corrugated pipe with good corrosion resistance. Background Art

[0002] Double-wall corrugated pipe is a new type of pipe with an annular outer wall and a smooth inner wall. It was first successfully developed in Germany in the early 1980s. After more than ten years of development and improvement, it has developed from a single variety to a complete product series. It is very mature in production technology and use technology. Due to its excellent performance and relatively economical cost, it has been greatly promoted and applied in developed countries such as Europe and the United States. In my country, the promotion and application of double-wall corrugated pipes is in an upward trend, and various technical indicators have reached the use standards. The inner wall colors of double-wall corrugated pipes are usually blue and black, and some brands use yellow inner walls.

[0003] Patent publication number: CN206076872U, the utility model discloses a double-wall corrugated pipe, including an outer layer and an inner layer, the outer layer is a corrugated layer, the inner layer is a flat wall layer, the two layers are bonded together with the inner layer surface through the trough of the outer layer, and the inside of the corrugation is hollow; the outer layer is designed with square corrugated units and circular corrugated units, the square corrugated units are crests, the circular corrugated units are troughs, and a circular corrugated unit is arranged between two adjacent square corrugated units; a groove is designed in the middle of the square corrugation in the width direction, and the groove is designed along the four faces of the circumference of the outer layer.

[0004] However, most of the existing double-wall corrugated pipes are not made of protective materials during use, which makes the double-wall corrugated pipes prone to damage and reduces their service life. Therefore, a double-wall corrugated pipe with good corrosion resistance is proposed to address the above problem. Utility Model Content

[0005] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a double-wall corrugated pipe with good corrosion resistance, which has the advantages of high strength and corrosion resistance, and solves the problem that most of the existing double-wall corrugated pipes do not use protective materials, which makes the double-wall corrugated pipes easy to break.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a double-wall corrugated pipe with good corrosion resistance, comprising:

[0007] Double wall corrugated inner tube;

[0008] A pipeline mechanism, wherein the inner cavity of the pipeline mechanism is fixedly connected to the surface of the inner tube of the double-wall corrugated pipe, the pipeline mechanism comprises a stainless steel tube layer, a carbon steel tube layer and an aluminum tube layer, the surface of the stainless steel tube layer is fixedly sleeved with the carbon steel tube layer, and the surface of the carbon steel tube layer is fixedly sleeved with the aluminum tube layer;

[0009] A protective mechanism, wherein the inner cavity of the protective mechanism is fixedly connected to the surface of the aluminum tube layer, the protective mechanism comprises polyvinyl chloride, an aluminum-copper alloy layer and a resin-based fiber composite material, the surface of the polyvinyl chloride is fixedly sleeved with the aluminum-copper alloy layer, and the surface of the aluminum-copper alloy layer is fixedly sleeved with the resin-based fiber composite material.

[0010] As a preferred embodiment of the present invention, a nickel-based alloy is fixedly sleeved on the surface of the resin-based fiber composite material, and the nickel-based alloy and the resin-based fiber composite material are used in combination.

[0011] As a preferred embodiment of the utility model, the surface of the nickel-based alloy is fixedly sleeved with polyurethane foam, and the polyurethane foam and the nickel-based alloy are used in combination.

[0012] As a preferred embodiment of the utility model, the surface of the polyurethane foam is fixedly sleeved with galvanized steel, and the galvanized steel and the polyurethane foam are used in combination.

[0013] As a preferred embodiment of the utility model, an aluminum-copper alloy layer is fixedly sleeved on the surface of the polyvinyl chloride by means of water glue, and the aluminum-copper alloy layer and the polyvinyl chloride are used in combination.

[0014] As a preferred embodiment of the utility model, a resin-based fiber composite material is fixedly sleeved on the surface of the aluminum-copper alloy layer by welding, and the resin-based fiber composite material and the aluminum-copper alloy layer are used in combination.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. The utility model uses a double-wall corrugated pipe inner pipe, a stainless steel pipe layer, a carbon steel pipe layer, an aluminum pipe layer, polyvinyl chloride, an aluminum-copper alloy layer, a resin-based fiber composite material, a nickel-based alloy, polyurethane foam and galvanized steel in combination; the stainless steel pipe layer is fixedly sleeved on the surface of the double-wall corrugated pipe inner pipe, the carbon steel pipe layer is fixedly sleeved on the surface of the stainless steel pipe layer, the aluminum pipe layer is fixedly sleeved on the surface of the carbon steel pipe layer, the polyvinyl chloride is fixedly sleeved on the surface of the aluminum pipe layer, the aluminum-copper alloy layer is fixedly sleeved on the surface of the polyvinyl chloride by means of water glue, the resin-based fiber composite material is fixedly sleeved on the surface of the aluminum-copper alloy layer by means of welding, the nickel-based alloy is fixedly sleeved on the surface of the resin-based fiber composite material, the nickel-based alloy is fixedly sleeved on the surface of the polyurethane foam, and the galvanized steel is fixedly sleeved on the surface of the polyurethane foam, thereby improving the service life of the double-wall corrugated pipe.

[0017] 2. The utility model can assist the inner tube of the double-walled corrugated pipe to work by setting the nickel-based alloy, so that it has excellent high temperature resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 For this utility model Figure 1 Schematic diagram of the three-dimensional explosion structure of the aluminum tube layer;

[0020] Figure 3 For this utility model Figure 1 Schematic diagram of the three-dimensional structure of the resin-based fiber composite material.

[0021] In the figure: 1. inner tube of double-wall corrugated pipe; 2. pipeline structure; 201. stainless steel pipe layer; 202. carbon steel pipe layer; 203. aluminum pipe layer; 3. protection mechanism; 301. polyvinyl chloride; 302. aluminum-copper alloy layer; 303. resin-based fiber composite material; 4. nickel-based alloy; 5. polyurethane foam; 6. galvanized steel. DETAILED DESCRIPTION

[0022] 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.

[0023] like Figures 1 to 3 As shown, the utility model provides a double-wall corrugated pipe with good corrosion resistance, comprising:

[0024] Double wall corrugated pipe inner tube 1;

[0025] The pipeline mechanism 2 has an inner cavity fixedly connected to the surface of the inner tube 1 of the double-wall corrugated pipe. The pipeline mechanism 2 includes a stainless steel tube layer 201, a carbon steel tube layer 202 and an aluminum tube layer 203. The surface of the stainless steel tube layer 201 is fixedly sleeved with the carbon steel tube layer 202, and the surface of the carbon steel tube layer 202 is fixedly sleeved with the aluminum tube layer 203.

[0026] The protective mechanism 3 has an inner cavity and a surface of the aluminum tube layer 203 fixedly connected. The protective mechanism 3 includes polyvinyl chloride 301, an aluminum-copper alloy layer 302 and a resin-based fiber composite material 303. The surface of the polyvinyl chloride 301 is fixedly sleeved with the aluminum-copper alloy layer 302, and the surface of the aluminum-copper alloy layer 302 is fixedly sleeved with the resin-based fiber composite material 303.

[0027] refer to Figure 3 The surface of the resin-based fiber composite material 303 is fixedly sleeved with a nickel-based alloy 4, and the nickel-based alloy 4 and the resin-based fiber composite material 303 are used in combination.

[0028] As a technical optimization solution of the utility model, the nickel-based alloy 4 is provided to assist the inner tube 1 of the double-walled corrugated pipe to work, so that it has excellent high temperature resistance.

[0029] refer to Figure 3 The surface of the nickel-based alloy 4 is fixedly sleeved with a polyurethane foam 5, and the polyurethane foam 5 and the nickel-based alloy 4 are used in combination.

[0030] As a technical optimization solution of the utility model, the provision of the polyurethane foam 5 can assist the work of the inner tube 1 of the double-wall corrugated pipe, so that it has excellent heat insulation and antifreeze properties.

[0031] refer to Figure 3 The surface of the polyurethane foam 5 is fixedly sleeved with a galvanized steel 6, and the galvanized steel 6 and the polyurethane foam 5 are used in combination.

[0032] As a technical optimization solution of the utility model, the provision of the galvanized steel 6 can assist the inner tube 1 of the double-wall corrugated pipe to work, so that it has excellent corrosion resistance and stability.

[0033] refer to Figure 2 The surface of the polyvinyl chloride 301 is fixedly sleeved with an aluminum-copper alloy layer 302 by means of water glue, and the aluminum-copper alloy layer 302 and the polyvinyl chloride 301 are used in combination.

[0034] As a technical optimization solution of the utility model, the provision of the aluminum-copper alloy layer 302 can assist the inner tube 1 of the double-walled corrugated pipe in its operation, so that it has excellent wear resistance and corrosion resistance.

[0035] refer to Figure 3 The surface of the aluminum-copper alloy layer 302 is fixedly sleeved with a resin-based fiber composite material 303 by welding, and the resin-based fiber composite material 303 and the aluminum-copper alloy layer 302 are used in combination.

[0036] As a technical optimization solution of the present invention, the resin-based fiber composite material 303 is provided to assist the inner tube 1 of the double-wall corrugated pipe in its operation, so that the inner tube 1 has excellent tensile strength and rigidity.

[0037] The working principle and use process of the utility model are as follows: when in use, the surface of the inner tube 1 of the double-wall corrugated pipe of the user is fixedly sleeved with a stainless steel pipe layer 201, the surface of the stainless steel pipe layer 201 is fixedly sleeved with a carbon steel pipe layer 202, the surface of the carbon steel pipe layer 202 is fixedly sleeved with an aluminum pipe layer 203, the surface of the aluminum pipe layer 203 is fixedly sleeved with polyvinyl chloride 301, the surface of the polyvinyl chloride 301 is fixedly sleeved with an aluminum-copper alloy layer 302 by means of water glue, the surface of the aluminum-copper alloy layer 302 is fixedly sleeved with a resin-based fiber composite material 303 by means of welding, the surface of the resin-based fiber composite material 303 is fixedly sleeved with a nickel-based alloy 4, the surface of the nickel-based alloy 4 is fixedly sleeved with a polyurethane foam 5, and the surface of the polyurethane foam 5 is fixedly sleeved with galvanized steel 6, thereby improving the service life of the double-wall corrugated pipe.

[0038] To sum up: the double-wall corrugated pipe with good corrosion resistance solves the problem that most of the existing double-wall corrugated pipes do not use protective materials, which makes the double-wall corrugated pipes easy to break, through the coordinated use of the double-wall corrugated pipe inner pipe 1, the pipeline structure 2, the stainless steel pipe layer 201, the carbon steel pipe layer 202, the aluminum pipe layer 203, the protective structure 3, the polyvinyl chloride 301, the aluminum-copper alloy layer 302, the resin-based fiber composite material 303, the nickel-based alloy 4, the polyurethane foam 5 and the galvanized steel 6.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-wall corrugated pipe with good corrosion resistance, characterized in that: include: Double-wall corrugated pipe inner tube (1); A pipeline structure (2), wherein the inner cavity of the pipeline structure (2) is fixedly connected to the surface of the inner tube (1) of the double-wall corrugated pipe, the pipeline structure (2) comprises a stainless steel tube layer (201), a carbon steel tube layer (202) and an aluminum tube layer (203), the surface of the stainless steel tube layer (201) is fixedly sleeved with the carbon steel tube layer (202), and the surface of the carbon steel tube layer (202) is fixedly sleeved with the aluminum tube layer (203); A protective mechanism (3), wherein an inner cavity of the protective mechanism (3) and a surface of an aluminum tube layer (203) are fixedly connected, the protective mechanism (3) comprising polyvinyl chloride (301), an aluminum-copper alloy layer (302) and a resin-based fiber composite material (303), the surface of the polyvinyl chloride (301) being fixedly sleeved with the aluminum-copper alloy layer (302), and the surface of the aluminum-copper alloy layer (302) being fixedly sleeved with the resin-based fiber composite material (303).

2. A double-wall corrugated pipe with good corrosion resistance according to claim 1, characterized in that: A nickel-based alloy (4) is fixedly sleeved on the surface of the resin-based fiber composite material (303), and the nickel-based alloy (4) and the resin-based fiber composite material (303) are used in combination.

3. A double-wall corrugated pipe with good corrosion resistance according to claim 2, characterized in that: The surface of the nickel-based alloy (4) is fixedly sleeved with a polyurethane foam (5), and the polyurethane foam (5) and the nickel-based alloy (4) are used in combination.

4. A double-wall corrugated pipe with good corrosion resistance according to claim 3, characterized in that: The surface of the polyurethane foam (5) is fixedly sleeved with galvanized steel (6), and the galvanized steel (6) and the polyurethane foam (5) are used in combination.

5. The double-wall corrugated pipe with good corrosion resistance according to claim 1, characterized in that: An aluminum-copper alloy layer (302) is fixedly sleeved on the surface of the polyvinyl chloride (301) by means of a water-based adhesive, and the aluminum-copper alloy layer (302) and the polyvinyl chloride (301) are used in combination.

6. A double-wall corrugated pipe with good corrosion resistance according to claim 1, characterized in that: A resin-based fiber composite material (303) is fixedly sleeved on the surface of the aluminum-copper alloy layer (302) by welding, and the resin-based fiber composite material (303) and the aluminum-copper alloy layer (302) are used in combination.

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