Low-carbon cooling pipe

By adopting environmentally friendly outer and inner layer structures and utilizing low-carbon emission materials and recycled materials, the problem of difficult recycling of cooling water pipe materials is solved, and the environmental performance and emission standard compliance of low-carbon cooling pipes are achieved.

CN223434881UActive Publication Date: 2025-10-14SHANGHAI CHINAUST AUTOMOTIVE PLASTICS CO LTD
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Patent Information

Application Number
CN202422091413.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-27
Publication Date
2025-10-14
Estimated Expiration
2034-08-27

AI Technical Summary

Technical Problem

The polyolefin materials of existing cooling water pipes are difficult to recycle, causing environmental pollution. At the same time, the carbon dioxide emissions of the outer layer materials do not meet the standards, which violates the requirements of carbon peak and carbon neutrality.

Method used

It adopts an environmentally friendly outer layer and an environmentally friendly inner layer structure. The environmentally friendly outer layer uses low-carbon emission materials PA11 or PA1012, and the environmentally friendly inner layer uses polyolefin recycled materials. The middle is bonded with polyolefin adhesives to form a four-layer low-carbon cooling pipe.

Benefits of technology

It achieves effective utilization of polyolefin recycled materials, reduces environmental pollution, meets low-carbon emission standards, and improves the environmental performance of the cooling pipe.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a low-carbon cooling water pipe, the low-carbon cooling water pipe is provided with an environment-friendly outer layer, a bonding layer and an inner layer, the bonding layer is arranged between the environment-friendly outer layer and the inner layer, the bonding layer bonds the inner layer and the environment-friendly outer layer, the environment-friendly outer layer is made of a low-carbon-emission material, and the inner layer is made of a low-carbon-emission material. The inner layer comprises a recycled material layer and an innermost layer, the recycled material layer close to the environment-friendly outer layer is made of polyolefin recycled materials, the innermost layer is made of polyolefin materials, the quality of the low-carbon cooling pipe is not affected, and the environment-friendly outer layer is made of polyolefin materials. And the recycled polyolefin material can also be reused.
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Description

Technical Field

[0001] The utility model relates to the field of pipeline manufacturing, in particular to a low-carbon cooling pipe. Background Art

[0002] Under the influence of carbon peak and carbon neutrality, emission requirements in the automotive industry are becoming increasingly stringent, and OEMs are also paying more and more attention to recyclable or low-carbon automotive parts manufacturing solutions.

[0003] In existing technology, automotive cooling water pipes have a three-layer structure, with the inner layer made of polyolefin. While polyolefins are highly resistant to hydrolysis, they are non-biodegradable. Large-scale use of polyolefins without recycling can pollute the environment. This necessitates recycling polyolefins to avoid environmental pollution. However, existing technology does not utilize recycled polyolefins for cooling water pipes, making their application difficult. Consequently, the use of polyolefins continues to increase, resulting in continued environmental pollution.

[0004] In addition, the outer layer of cooling water pipes on the market is often made of materials such as PA12 and PA612 that are resistant to the environment and chemicals. These materials will produce a large amount of carbon dioxide during the production process of cooling water pipes. With emission requirements becoming increasingly stringent, the outer layer material will not meet the standards. Utility Model Content

[0005] In order to achieve at least one of the above advantages of the present invention, the present invention provides a low-carbon cooling pipe, the low-carbon cooling pipe comprising:

[0006] Environmentally friendly outer layer;

[0007] An environmentally friendly inner layer, the environmentally friendly inner layer comprising a recycled material layer and an innermost layer, wherein the layer relatively close to the environmentally friendly outer layer is the recycled material layer, and the layer relatively far from the environmentally friendly outer layer is the innermost layer;

[0008] A bonding layer is provided between the environmentally friendly outer layer and the environmentally friendly inner layer, and the bonding layer bonds the environmentally friendly outer layer and the environmentally friendly inner layer together.

[0009] According to an embodiment of the present invention, the recycled material layer is made of polyolefin recycled material, and the innermost layer is made of polyolefin material.

[0010] According to an embodiment of the present invention, the material of the environmentally friendly outer layer is selected from any one of PA11 and PA1012.

[0011] According to an embodiment of the present invention, the material of the bonding layer is implemented as a polyolefin adhesive. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Fig. 1 A cross-sectional schematic diagram of the low-carbon cooling tube of the present invention is shown.

[0013] Fig. 2 A cross-sectional schematic diagram of an embodiment of the low-carbon cooling tube of the present invention is shown. DETAILED DESCRIPTION

[0014] The following description is intended to disclose the present invention and enable those skilled in the art to implement the present invention. The preferred embodiments described below are provided for illustrative purposes only, and those skilled in the art will readily appreciate other obvious variations. The basic principles of the present invention as defined in the following description may be applied to other embodiments, variations, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the present invention.

[0015] Those skilled in the art should understand that, in the disclosure of the present invention, the terms "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, which 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 operated in a specific orientation. Therefore, the above terms cannot be understood as limiting the present invention.

[0016] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the elements may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0017] refer to Figs. 1-2 A low-carbon cooling pipe according to a preferred embodiment of the present invention will be described in detail below. The low-carbon cooling pipe includes an environmentally friendly outer layer 10, an adhesive layer 20 and an environmentally friendly inner layer 30, wherein the adhesive layer 20 is arranged between the environmentally friendly outer layer 10 and the environmentally friendly inner layer 30, and the adhesive layer 20 bonds the environmentally friendly outer layer 10 and the environmentally friendly inner layer 30 together.

[0018] like Fig. 1 As shown, the environmentally friendly inner layer 30 is configured as a two-layer structure, wherein the layer closest to the environmentally friendly outer layer 10 is a recycled material layer 31, and the layer away from the environmentally friendly outer layer 10 is an innermost layer 32. At least one of the recycled material layer 31 and the innermost layer 32 is made of polyolefin recycled material, expanding the application of polyolefin recycled material, thereby achieving the purpose of low carbon and environmental protection.

[0019] It is understood that the low-carbon cooling tube is configured as a four-layer structure, wherein the environmentally friendly inner layer 30 is equivalent to the inner layer of the prior art. In comparison, the environmentally friendly inner layer 30 is made of polyolefin recycled material, which is comparable to the prior art in terms of performance but is more environmentally friendly than the prior art.

[0020] Preferably, the recycled material layer 31 is made of polyolefin recycled material. More preferably, the recycled material layer 31 is made of a polyolefin material containing polyolefin recycled material. By way of example, the polyolefin recycled material in the recycled material layer 31 accounts for 50% of the polyolefin material, thereby serving as a hydrolysis-resistant material and serving as a secondary hydrolysis-resistant layer.

[0021] Preferably, in one embodiment, the innermost layer 32 is made of polyolefin material, serving as the primary hydrolysis-resistant layer. The environmentally friendly inner layer 30 not only ensures the quality of the low-carbon cooling pipe, but also maximizes the use of recycled polyolefins. Furthermore, the four-layer structure of the low-carbon cooling pipe further enhances its quality.

[0022] As a variation of the above embodiment, the recycled material layer 31 is made of polyolefin material, and the innermost layer 32 is made of polyolefin material containing polyolefin recycled material, which can also achieve the above effect.

[0023] Preferably, if Fig. 2 As shown, in another embodiment, the environmentally friendly inner layer 30 is made entirely of a uniform material and is fabricated from recycled polyolefins. More preferably, the environmentally friendly inner layer 30 is fabricated from a polyolefin material containing recycled polyolefins. By way of example, the recycled polyolefins in the environmentally friendly inner layer 30 comprise 30% of the polyolefin material, thereby providing a hydrolysis-resistant material. It is worth noting that the hydrolysis resistance of the polyolefin material containing recycled polyolefins is comparable to that of standard polyolefins.

[0024] It will be understood by those skilled in the art that polyolefins as materials will emit a large amount of carbon dioxide when producing pipes, which has a great impact on the environment. The material used in the environmentally friendly inner layer 30 in this embodiment has the same performance as polyolefins, but the recyclable part of the material accounts for 30%, which reduces the use of polyolefin materials and increases the reuse of polyolefin recycled materials, thereby reducing pollution.

[0025] Preferably, the material of the bonding layer 20 is implemented as a polyolefin adhesive.

[0026] like Fig. 1 and Fig. 2As shown, the environmentally friendly outer layer 10 is made of a material with low carbon emissions, thereby providing the pipeline with the ability to resist chemical media.

[0027] Preferably, the environmentally friendly outer layer 10 is made of one or more of bio-based PA11 or PA1012. Since the carbon dioxide emissions generated during the production of PA11 and PA1012 are lower than those generated by conventional production processes, pollution can be reduced, ensuring that emissions from the automotive industry meet national standards.

[0028] It is worth mentioning that the PA1012 is an innovative long-chain polymer with chemical properties equivalent to PA11 and PA12. It is very suitable for automobiles and can provide excellent hydrolysis resistance and high operating temperature. It is very suitable as the environmentally friendly outer layer of the low-carbon cooling pipe.

[0029] Those skilled in the art will appreciate that the embodiments of the present invention described above and shown in the accompanying drawings are provided for illustrative purposes only and do not limit the present invention. The advantages of the present invention have been fully and effectively realized. The functional and structural principles of the present invention have been demonstrated and illustrated in the embodiments. Any variations or modifications may be made to the embodiments of the present invention without departing from the principles described.

Claims

1. Low carbon cooling tube, characterized in that, The low-carbon cooling pipe comprises: Environmentally friendly outer layer; An environmentally friendly inner layer, the environmentally friendly inner layer comprising a recycled material layer and an innermost layer, wherein the layer relatively close to the environmentally friendly outer layer is the recycled material layer, and the layer relatively far from the environmentally friendly outer layer is the innermost layer; A bonding layer is provided between the environmentally friendly outer layer and the environmentally friendly inner layer, and the bonding layer bonds the environmentally friendly outer layer and the environmentally friendly inner layer together.

2. The low-carbon cooling pipe according to claim 1, characterized in that: The recycled material layer is made of polyolefin recycled material, and the innermost layer is made of polyolefin material.

3. The low-carbon cooling pipe according to claim 2, characterized in that: The material of the environmentally friendly outer layer is selected from any one of PA11 and PA1012.

4. The low-carbon cooling pipe according to claim 2, characterized in that: The material of the adhesive layer is implemented as a polyolefin adhesive.