Novel wear-resistant bimetal composite pipe

By using a multi-layered composite structure and specially designed wear-resistant materials, the problem of insufficient wear resistance of metal pipes is solved, achieving efficient fluid transmission and system stability, reducing wear and leakage risks, and extending service life.

CN223635738UActive Publication Date: 2025-12-05JIANGSU XINGYUAN POWER PLANT & METALLURGICAL EQUIP MFG
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Patent Information

Application Number
CN202423266388.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-12-05
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing metal pipes have insufficient wear resistance during long-term use, leading to wear, leakage and structural damage, which affects fluid flow efficiency and system stability, and increases maintenance costs and safety risks.

Method used

It adopts a multi-layer composite structure, with an outer layer of chromium-molybdenum steel, an inner layer of stainless steel, and a middle layer of alloy steel. It is designed with triangular support holes and sound-absorbing round holes, combined with threaded connections and sealing gaskets to form a wear-resistant and pressure-resistant pipe connection.

Benefits of technology

It improves the wear resistance and pressure resistance of pipelines, reduces wear and corrosion, maintains the smoothness and sealing of fluid channels, reduces pressure loss, extends service life, ensures stable system operation, and reduces maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of metal pipes, and discloses a novel wear-resistant bimetal composite pipe which comprises a first sleeve, a second sleeve is fixedly connected to the side wall of an inner cavity of the first sleeve in a sleeved mode, a triangular supporting hole is formed in an inner cavity of the second sleeve, a silencing round hole is formed in an inner cavity of the second sleeve, and the silencing round hole is communicated with the triangular supporting hole. The side wall of an inner cavity of the second casing pipe is fixedly connected with a third casing pipe, the side wall of an outer ring of the second casing pipe is fixedly connected with a casing pipe connector, the side face of the first casing pipe is fixedly connected with a casing pipe access port, and the side face of the casing pipe access port is fixedly connected with a leakage-proof gasket. The metal pipe with the high abrasion resistance can effectively reduce abrasion and corrosion in the using process and keep the inner wall of a pipeline smooth and clean, so that the service life of the metal pipe is prolonged, the abrasion-resistant metal pipe is not prone to deformation or fracture in the long-term using process, good sealing performance can be kept, fluid leakage is prevented, and normal operation of a system is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to metal pipe technical field more particularly to novel wear -resisting bimetallic composite pipe. BACKGROUND

[0002] The material selection of metal pipe depends on its application environment and requirement. For example, for the occasion needing to bear high pressure and high temperature, high strength and high temperature resistant steel is usually selected, for the occasion needing corrosion resistance, stainless steel or copper and other corrosion resistant materials are selected, the manufacturing process of metal pipe includes various methods, such as welding, seamless, hot rolling, cold rolling etc., different manufacturing processes will affect the performance and application range of metal pipe, seamless steel pipe has higher strength and better corrosion resistance, so it is often used in high pressure and high temperature environment, with the continuous improvement of global environmental protection consciousness, the manufacturing and recycling of metal pipe also tend to be environmentally friendly and sustainable development, the measures such as using environmentally friendly materials to manufacture metal pipe, optimizing production process to reduce energy consumption and emission, and recycling and reuse of metal pipe are all promoting the green development of metal pipe industry.

[0003] The prior art has the following problems: metal pipe in the long-term use process, if the wear resistance is insufficient, its surface will be gradually worn, resulting in the roughness of the inner wall of the pipe, thereby affecting the flow efficiency of the fluid and the pressure loss, the metal pipe with poor wear resistance may be affected in strength and sealing after being worn, eventually leading to pipe leakage or rupture, shortening the service life of the pipe, due to the insufficient wear resistance, the metal pipe needs more frequent inspection and maintenance to ensure its normal operation. This increases the maintenance cost and may cause production interruption, in high temperature and high pressure environment, the metal pipe with poor wear resistance is more prone to deformation and wear, thereby affecting its sealing and strength, when the pressure borne by the metal pipe exceeds its compressive strength, the pipe may be deformed, even ruptured, such deformation and rupture not only affect the appearance and structural integrity of the metal pipe, but also may lead to its functional failure, if the compressive resistance of the metal pipe is insufficient during pressure bearing, the sealing of the pipe connection may be lost, which will lead to fluid leakage, not only wasting resources, but also possibly causing pollution to the surrounding environment, the insufficient compressive resistance of the metal pipe may bring many bad effects such as performance damage of the metal pipe itself, system or equipment failure, safety hazards and risks, economic loss and resource waste etc. UTILITY MODEL CONTENTS

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a novel wear-resistant bimetallic composite pipe to solve the problems existing in the above background art.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: novel wear -resisting bimetallic composite pipe, including first sleeve, the inner chamber lateral wall fixed sleeve of first sleeve is connected with second sleeve, the inner chamber of second sleeve is opened with triangular support hole, the inner chamber of second sleeve is opened with sound reduction round hole, the inner chamber lateral wall fixed connection of second sleeve has third sleeve, the outer ring lateral wall fixed connection of second sleeve has sleeve interface, the side fixed connection of first sleeve has sleeve access, the side fixed connection of sleeve access has leak protection washer.

[0006] Further, the inner chamber lateral wall of the sleeve interface is provided with a threaded groove, and the side of the second sleeve is fixedly connected with a sealing washer.

[0007] Further, the outer ring lateral wall of the first sleeve is provided with a threaded ring.

[0008] Further, the first sleeve is a sleeve made of chromium molybdenum steel material.

[0009] Further, the second sleeve is a pipe made of alloy steel.

[0010] Further, the third sleeve is a sleeve made of stainless steel material.

[0011] Further, the side of the sleeve interface is fixedly connected with the side of the third sleeve, the second sleeve and the first sleeve, the side of the sleeve access is fixedly connected to the side of the third sleeve, the second sleeve and the first sleeve, the inner ring lateral wall of the first sleeve is sleeved on the outer ring lateral wall of the second sleeve, and the inner ring lateral wall of the second sleeve is fixedly connected to the outer ring lateral wall of the third sleeve.

[0012] The utility model discloses the technical effect and advantage:

[0013] 1. The utility model discloses a wear -resisting metal pipe, which can effectively reduce wear and corrosion during use, keep the inner wall of the pipe smooth and clean, prolong the service life of the metal pipe, prevent deformation or rupture during long-term use, maintain good sealing performance, prevent fluid leakage, ensure normal operation of the system, keep the inner wall of the wear -resisting metal pipe smooth, reduce the friction resistance of fluid in the pipe, thereby reducing pressure loss and improving fluid transmission efficiency.

[0014] 2. The utility model discloses a better compression resistance structure is equipped with, and the metal pipe of strong compression resistance can bear greater external pressure, keeps its structural integrity and stability, is not easy to deform or break, and enough compression resistance means that the metal pipe can keep its performance unchanged in the long -term use, reduces the damage due to pressure to improve the service life, and enough compression resistance means that the metal pipe connecting place and pipeline itself can better resist external pressure, reduce the risk of leakage, ensure the normal operation of system, and the enough compression resistance of metal pipe can bring the promotion of metal pipe self -performance and stability, the enhancement of system performance and reliability, the promotion of security, the optimization of economic benefit and resource utilization and the improvement of adaptability and flexibility and many aspects of benefits. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is whole structure schematic diagram of the utility model;

[0016] Fig. 2 It is whole structure schematic diagram of the second sleeve inside of the utility model;

[0017] Fig. 3 It is whole structure schematic diagram of the sleeve interface inside of the utility model;

[0018] Fig. 4 It is whole internal connection structure schematic diagram of the utility model.

[0019] The figure mark is: 1, first sleeve;101, sleeve interface;102, thread groove;103, sealing washer;104, second sleeve;105, thread ring;106, sleeve interface entrance;107, leakproof washer;108, third sleeve;109, triangular support hole;110, sound -damping round hole. DETAILED DESCRIPTION

[0020] The technical scheme in the utility model will be described clearly and completely below in conjunction with the drawings in the utility model, and in addition, the form of each structure recorded in the following implementation is only an example, and the novel wear -resisting bimetallic composite pipe involved in the utility model is not limited to each structure recorded in the following implementation, and all other implementation ways obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0021] REFERENCE Figs. 1 to 4The utility model provides a novel wear -resisting bimetallic composite pipe, including first sleeve 1, the inner chamber lateral wall fixed sleeve of first sleeve 1 is connected with second sleeve 104, the inner chamber of second sleeve 104 is opened with triangle support hole 109, the inner chamber of second sleeve 104 is opened with sound -absorbing round hole 110, the inner chamber lateral wall fixed connection of second sleeve 104 has third sleeve 108, the outer ring lateral wall fixed connection of second sleeve 104 has sleeve interface 101, the side fixed connection of first sleeve 1 has sleeve interface 106, sleeve interface 101 and sleeve interface 106 are the key components of composite pipe connection, and they pass through the setting of thread sealing washer 103, realize the close connection and good sealing between pipeline, this connection mode is not only simple and easy to operate, and can ensure the smooth transmission of fluid in the pipeline, prevents leakage and pollution, and the side fixed connection of sleeve interface 106 has leakproof washer 107.

[0022] Among them, the inner chamber lateral wall of sleeve interface 101 is opened with thread groove 102, and the side fixed connection of second sleeve 104 has sealing washer 103.

[0023] Among them, the outer ring lateral wall of first sleeve 1 is opened with thread ring 105.

[0024] Among them, first sleeve 1 is the sleeve made of chrome molybdenum steel material, as the outer layer of composite pipe, mainly undertakes the role of pressure bearing and pipeline rigid support, and it is made of chrome molybdenum steel material, and the material has excellent quenching performance and wear resistance, can withstand high pressure and wear, and protects the inner layer pipeline from the damage of external environment.

[0025] Among them, second sleeve 104 is the pipeline made of alloy steel, as the intermediate layer of composite pipe, second sleeve 104 not only enhances the overall strength of the pipeline, but also improves the pressure resistance and noise reduction effect of the pipeline through its special structure design (such as triangle support hole 109 and sound -absorbing round hole 110), and it is made of alloy steel, and the alloy steel has good wear resistance and strength, further prolongs the service life of the pipeline.

[0026] Among them, third sleeve 108 is the sleeve made of stainless steel material, as the inner layer of composite pipe, third sleeve 108 directly contacts fluid, so the material selection is crucial, and the stainless steel material has excellent corrosion resistance and wear resistance, can effectively resist the corrosion and wear of fluid, keep the smoothness and cleanliness of the inner wall of the pipeline, and in addition, third sleeve 108 also plays the role of protecting the inner layer pipeline from the erosion of fluid.

[0027] The side surface of the sleeve joint 101 is fixedly connected with the side surface of the third sleeve 108, the second sleeve 104 and the first sleeve 1, the side surface of the sleeve joint inlet 106 is fixedly connected with the side surface of the third sleeve 108, the second sleeve 104 and the first sleeve 1, the inner ring side wall of the first sleeve 1 is sleeved with the outer ring side wall of the second sleeve 104, and the inner ring side wall of the second sleeve 104 is fixedly connected with the outer ring side wall of the third sleeve 108.

[0028] The working principle of the utility model is: the composite pipe is composed of the first sleeve 1, the second sleeve 104 and the third sleeve 108, and a multi-level structure is formed. This structure can disperse pressure and improve the overall pressure resistance when the pipe bears fluid pressure and external impact. The first sleeve 1 is made of chromium-molybdenum steel, which has excellent quenching performance and wear resistance and can bear high pressure and wear. The second sleeve 104 is made of alloy steel, which also has good wear resistance and strength. The third sleeve 108 is made of stainless steel, which has excellent corrosion resistance and wear resistance. This material combination can effectively reduce wear and corrosion during long-term use of the pipe, keep the inner wall of the pipe smooth and clean, and enhance the support strength of the pipe and improve the pressure resistance through the triangular support hole 109 in the inner cavity of the second sleeve 104. The setting of the sound reduction round hole 110 helps to reduce the noise and vibration of the fluid in the pipe, improve the stability and reliability of the system, and realize the tight connection between the pipes through the thread groove 102 in the inner cavity side wall of the sleeve joint 101 and the thread ring 105 on the side surface of the first sleeve 1. The setting of the sealing washer 103 further enhances the sealing performance of the connection and prevents fluid leakage. The leakage-proof washer 107 fixedly connected to the side surface of the sleeve joint inlet 106 can form an additional sealing layer at the pipe connection, further improving the sealing performance. When the fluid passes through the pipe, the smoothness and wear resistance of the inner wall of the pipe greatly reduce the friction resistance of the fluid in the pipe, thereby reducing the pressure loss and improving the fluid transmission efficiency. When bearing external pressure, the combination of the multi-layer composite structure and the wear-resistant material enables the pipe to maintain its structural integrity and stability and is not prone to deformation or rupture. This pressure resistance ensures that the metal pipe can maintain good performance during long-term use and reduces damage caused by pressure. Since the pipe has good wear resistance, pressure resistance and sealing performance, it can ensure the normal operation of the system, reduce the risk of leakage and improve safety. At the same time, this high-performance pipe can also reduce maintenance costs and prolong the service life, thereby improving economic benefits and resource utilization.

[0029] The above only describes the preferred embodiments of the utility model and is not used to limit the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A new type of wear resistant bimetallic composite pipe comprising a first casing (1), characterized in that: The inner cavity side wall of the first sleeve (1) is fixedly sleeved with a second sleeve (104), the inner cavity of the second sleeve (104) is provided with a triangular supporting hole (109), the inner cavity of the second sleeve (104) is provided with a sound reduction round hole (110), the inner cavity side wall of the second sleeve (104) is fixedly connected with a third sleeve (108), the outer ring side wall of the second sleeve (104) is fixedly connected with a sleeve interface (101), the side of the first sleeve (1) is fixedly connected with a sleeve access (106), the side of the sleeve access (106) is fixedly connected with a leakage-proof gasket (107), the first sleeve (1) is a sleeve made of chrome molybdenum steel material, the second sleeve (104) is a pipeline made of alloy steel, and the third sleeve (108) is a sleeve made of stainless steel material.

2. The novel wear resistant bi-metallic composite pipe as claimed in claim 1, wherein: The inner cavity side wall of the sleeve interface (101) is provided with a threaded groove (102), and the side of the second sleeve (104) is fixedly connected with a sealing gasket (103).

3. The novel wear resistant bi-metallic composite pipe as claimed in claim 1, wherein: The outer ring side wall of the first sleeve (1) is provided with a threaded ring (105).

4. The novel wear resistant bi-metallic composite pipe as claimed in claim 1, wherein: The side of the sleeve interface (101) is fixedly connected with the sides of the third sleeve (108), the second sleeve (104) and the first sleeve (1), the side of the sleeve access (106) is fixedly connected to the sides of the third sleeve (108), the second sleeve (104) and the first sleeve (1), the inner ring side wall of the first sleeve (1) is sleeved on the outer ring side wall of the second sleeve (104), and the inner ring side wall of the second sleeve (104) is fixedly connected to the outer ring side wall of the third sleeve (108).