Wear-resistant and anti-corrosion steel-rubber composite pipe

Abstract

The utility model discloses a wear-resistant anti-corrosion steel-rubber composite pipe which comprises a composite pipe body, a reinforcing device is installed on the outer surface of the composite pipe body, and a wear-resistant device is installed on the outer surface of the reinforcing device. According to the wear-resistant and corrosion-resistant steel-rubber composite pipe, the outer-layer steel pipe on the wear-resistant device is made of high-manganese steel which is wear-resistant steel with high carbon content and manganese content, so that the wear-resistant and corrosion-resistant steel-rubber composite pipe has strong work hardening capability and good toughness and plasticity when being used under the condition of large impact abrasive wear; meanwhile, the anti-corrosion coating coated on the outer surface of the composite pipe is a polyurethane anti-corrosion coating which has the characteristics of acid resistance, alkali resistance, oil resistance and water resistance, so that the wear resistance and the corrosion resistance of the outer-layer steel pipe are further improved, the outer-layer steel pipe is arranged on the outer surface of the composite pipe body, and the service life of the outer-layer steel pipe is prolonged. And the service life of the composite pipe body is effectively prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of composite pipes, in particular to a wear-resistant and corrosion-resistant steel-rubber composite pipe. Background Art

[0002] Composite pipe is a multi-layer structure pipe which is made of two layers (including two layers) or more pipes through some processing technology and has high strength and superior performance.

[0003] Although composite pipes have superior performance, their corrosion resistance is poor. When working under harsh conditions such as acid, alkali, salt, seawater and sewage, the corrosion resistance of the inner surface of the pipe is far from meeting the requirements of users, which in turn affects the use effect and service life of the pipe. In summary, the existing composite pipes still have the following problems:

[0004] Composite pipes have poor corrosion resistance and are easily affected by harsh conditions of high corrosion, which can easily lead to damage and affect their service life. Utility Model Content

[0005] The main purpose of the utility model is to provide a wear-resistant and corrosion-resistant steel-rubber composite pipe, which can effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A wear-resistant and corrosion-resistant steel-rubber composite pipe comprises a composite pipe body, a reinforcing device is installed on the outer surface of the composite pipe body, and a wear-resistant device is installed on the outer surface of the reinforcing device.

[0008] Preferably, the wear-resistant device comprises an outer steel pipe, an anti-corrosion coating is installed on the outer surface of the outer steel pipe, a sound insulation layer is installed on the inner wall of the outer steel pipe, and the outer steel pipe is installed on the outer surface of the reinforcing device. The outer steel pipe is made of high manganese steel, which is a wear-resistant steel with high carbon and manganese content. It has strong work hardening ability when used under large impact abrasive wear conditions, and has good toughness and plasticity, as well as the advantages of easy mastery of production process. At the same time, the anti-corrosion coating coated on its outer surface is a polyurethane anti-corrosion coating, which is an anti-corrosion coating with the characteristics of acid resistance, alkali resistance, oil resistance and water resistance, which further improves the wear resistance and corrosion resistance of the outer steel pipe. It is arranged on the outer surface of the composite pipe body, which effectively improves the service life of the composite pipe body.

[0009] Preferably, the reinforcing device comprises an insulation layer, a plurality of reinforcing frames are installed in the insulation layer, a group of connecting columns are installed on the outer surfaces of the plurality of reinforcing frames, and the insulation layer is installed on the outer surface of the composite pipe body. The reinforcing frames further support and fix the composite pipe body, thereby improving the resistance of the composite pipe body.

[0010] Preferably, an anti-corrosion rubber lining insulation layer is installed on the inner wall of the composite pipe body. The anti-corrosion rubber lining has the ability to protect metal or other substrates from corrosion by various media, withstands corrosion by acids, alkalis, inorganic salts and various organic substances, and has good elasticity, wear resistance, impact resistance and adhesion properties between metals and other substrates.

[0011] Preferably, the outer steel pipe is made of high manganese steel.

[0012] Preferably, a plurality of the reinforcing frames are distributed in the insulation layer at equal distances from left to right.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The material of the outer steel pipe on the wear-resistant device is high manganese steel, which is a wear-resistant steel with high carbon and manganese content. It has strong work hardening ability when used under large impact abrasive wear conditions, and has good toughness and plasticity, as well as the advantages of easy mastery of production process. At the same time, the anti-corrosion coating on its outer surface is polyurethane anti-corrosion coating, which is an anti-corrosion coating with the characteristics of acid resistance, alkali resistance, oil resistance and water resistance, which further improves the wear resistance and corrosion resistance of the outer steel pipe. It is arranged on the outer surface of the composite pipe body, which effectively improves the service life of the composite pipe body, and cooperates with several reinforcing frames on the reinforcing device to further support and fix the composite pipe body, thereby improving the resistance of the composite pipe body.

[0015] 2. The anti-corrosion rubber lining installed in the composite pipe body has the ability to protect metal or other substrates from corrosion by various media, withstands corrosion by acids, alkalis, inorganic salts and various organic substances, and has good elasticity, wear resistance, impact resistance and adhesion to metals and other substrates, thereby improving the anti-corrosion performance of the inner wall of the composite pipe body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a wear-resistant and corrosion-resistant steel-rubber composite pipe of the utility model;

[0017] Figure 2 This is a schematic diagram of the overall structure of a wear-resistant device for a wear-resistant and corrosion-resistant steel-rubber composite pipe according to the utility model;

[0018] Figure 3 This is a schematic diagram of the overall structure of a reinforcing device for a wear-resistant and corrosion-resistant steel-rubber composite pipe according to the utility model;

[0019] Figure 4 This is a schematic diagram of the overall structure of a composite pipe body of a wear-resistant and corrosion-resistant steel-rubber composite pipe of the utility model.

[0020] In the figure: 1. composite pipe body; 2. wear-resistant device; 3. reinforcement device; 20. outer steel pipe; 21. anti-corrosion coating; 22. sound insulation layer; 30. thermal insulation layer; 31. reinforcement skeleton; 32. connecting column; 101. anti-corrosion rubber lining. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] like Figure 1-4 As shown, a wear-resistant and corrosion-resistant steel-rubber composite pipe comprises a composite pipe body 1, a reinforcing device 3 is installed on the outer surface of the composite pipe body 1, and a wear-resistant device 2 is installed on the outer surface of the reinforcing device 3.

[0025] The wear-resistant device 2 includes an outer steel pipe 20, an anti-corrosion coating 21 is installed on the outer surface of the outer steel pipe 20, a sound insulation layer 22 is installed on the inner wall of the outer steel pipe 20, and the outer steel pipe 20 is installed on the outer surface of the reinforcing device 3. The outer steel pipe 20 is made of high manganese steel, which is a wear-resistant steel with high carbon and manganese content. It has strong work hardening ability when used under large impact abrasive wear conditions, and has good toughness and plasticity, and the production process is easy to master. At the same time, the anti-corrosion coating 21 coated on its outer surface is a polyurethane anti-corrosion coating, which is an anti-corrosion coating with the characteristics of acid resistance, alkali resistance, oil resistance, and water resistance, which further improves the wear resistance and corrosion resistance of the outer steel pipe 20. It is arranged on the outer surface of the composite pipe body 1, which effectively improves the service life of the composite pipe body 1.

[0026] The reinforcing device 3 includes a heat-insulating layer 30, a plurality of reinforcing frames 31 are installed in the heat-insulating layer 30, a group of connecting columns 32 are installed on the outer surfaces of the plurality of reinforcing frames 31, and the heat-insulating layer 30 is installed on the outer surface of the composite pipe body 1. The reinforcing frames 31 further support and fix the composite pipe body 1, thereby improving the resistance of the composite pipe body 1.

[0027] The inner wall of the composite pipe body 1 is provided with an anticorrosive rubber lining 101 and an insulating layer 30. The anticorrosive rubber lining 101 has the ability to protect metal or other substrates from corrosion by various media, is resistant to corrosion by acids, alkalis, inorganic salts and various organic substances, and has good elasticity, wear resistance, impact resistance and adhesion properties to metals and other substrates.

[0028] The outer steel pipe 20 is made of high manganese steel.

[0029] A plurality of reinforcing frames 31 are distributed in the thermal insulation layer 30 at equal distances from left to right.

[0030] It should be noted that the utility model is a wear-resistant and corrosion-resistant steel-rubber composite pipe. The anti-corrosion rubber lining 101 arranged in the composite pipe body 1 has the ability to protect metals or other substrates from corrosion by various media, and is resistant to corrosion by acids, alkalis, inorganic salts and various organic substances, and has good elasticity, wear resistance, impact resistance and adhesion between metals and other substrates, thereby improving the corrosion resistance of the inner wall of the composite pipe body 1. In addition, the outer steel pipe 20 on the wear-resistant device 2 is made of high manganese steel, which is a wear-resistant steel with high carbon and manganese content. Due to its high impact and abrasive wear conditions, it is easy to break. It has a strong ability of work hardening when used, and has good toughness and plasticity, as well as the advantages of easy mastery of production process. At the same time, the anti-corrosion coating 21 coated on its outer surface is a polyurethane anti-corrosion coating, which is an anti-corrosion coating with the characteristics of acid resistance, alkali resistance, oil resistance and water resistance, which further improves the wear resistance and corrosion resistance of the outer steel pipe 20. It is arranged on the outer surface of the composite pipe body 1, which effectively improves the service life of the composite pipe body 1, and cooperates with a number of reinforcing skeletons 31 on the reinforcing device 3 to further support and fix the composite pipe body 1, thereby improving the resistance of the composite pipe body 1.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A wear-resistant and corrosion-resistant steel-rubber composite pipe, comprising a composite pipe body (1), characterized in that: A reinforcing device (3) is installed on the outer surface of the composite pipe body (1), and a wear-resistant device (2) is installed on the outer surface of the reinforcing device (3); the wear-resistant device (2) includes an outer steel pipe (20), an anti-corrosion coating (21) is installed on the outer surface of the outer steel pipe (20), a sound insulation layer (22) is installed on the inner wall of the outer steel pipe (20), and the outer steel pipe (20) is installed on the outer surface of the reinforcing device (3); the reinforcing device (3) includes an insulating layer (30), a plurality of reinforcing skeletons (31) are installed in the insulating layer (30), a group of connecting columns (32) are installed on the outer surface of the plurality of reinforcing skeletons (31), and the insulating layer (30) is installed on the outer surface of the composite pipe body (1); an anti-corrosion rubber lining (101) is installed on the inner wall of the insulating layer (30) on the inner wall of the composite pipe body (1).

2. The wear-resistant and corrosion-resistant steel-rubber composite pipe according to claim 1 is characterized in that: The outer steel pipe (20) is made of high manganese steel.

3. The wear-resistant and corrosion-resistant steel-rubber composite pipe according to claim 1 is characterized in that: A plurality of the reinforcing frames (31) are distributed in the thermal insulation layer (30) at equal distances from left to right.

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