High-temperature-resistant pipe
By introducing a fiber composite layer and a high-temperature resistant pipe layer into the PPR pipe, and setting up a foam insulation layer and protective sleeve, the problem of insufficient high-temperature resistance of the PPR pipe is solved, and the high-temperature and thermal insulation performance of the pipe is significantly improved.
Patent Information
- Application Number
- CN202421601277.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-23
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2035-04-23
AI Technical Summary
The high temperature resistance of existing PPR pipes is poor, which affects their use range and life.
A structure including a pipe matrix, a fiber composite layer and a high-temperature resistant pipe layer is adopted, a foam insulation layer is set in the middle, and a protective sleeve is added to the outside to enhance protection and insulation performance.
It effectively improves the high temperature resistance and insulation performance of the pipeline, while enhancing the protective performance of the pipe, making it easier to cut and assembly.
Smart Images
Figure CN222880561U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field related to PPR pipes, and specifically relates to a high temperature resistant pipe. Background Art
[0002] PPR water pipe is a kind of polymer material pipe. Compared with traditional cast iron pipe, galvanized steel pipe, cement pipe and other pipes, PPR pipe has the advantages of energy saving and material saving, environmental protection, light weight and high strength, corrosion resistance, smooth inner wall without scaling, simple construction and maintenance, long service life, etc. It is widely used in building water supply and drainage, urban and rural water supply and drainage, urban gas, electricity and optical cable sheath, industrial fluid transportation, agricultural irrigation and other construction, municipal, industrial and agricultural fields. The main defect of PPR water pipe is: poor high temperature resistance, which has a great impact on the scope of use and service life of PPR pipe.
[0003] In view of this, the present utility model is proposed. Summary of the invention
[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a high temperature resistant pipe. To solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:
[0005] A high-temperature resistant pipe comprises a pipe matrix and a fiber composite layer, a foaming insulation layer is arranged between the pipe matrix and the inner side of the fiber composite layer, a high-temperature resistant pipe layer is arranged on the outer side of the fiber composite layer, the foaming insulation layer is arranged between the high-temperature resistant pipe layer and the fiber composite layer, scale lines are arranged on the outer wall of the high-temperature resistant pipe layer, a protective sleeve is arranged on the outer side of the high-temperature resistant pipe layer, the protective sleeve comprises an upper pipe sleeve and a lower pipe sleeve, an installation groove is arranged at the end connection position of the upper pipe sleeve, and an installation buckle is arranged at the end connection position of the lower pipe sleeve, the installation groove and the installation buckle match each other and are used for locking connection of the upper pipe sleeve and the lower pipe sleeve.
[0006] As a further solution of the utility model: a locking flange is provided at the upper end of the mounting buckle, and a step is provided at the transition position between the locking flange and the mounting buckle to enhance the stability of the cooperation between the mounting buckle and the mounting slot.
[0007] As a further solution of the utility model: a buffer cavity is arranged between the protective sleeves, and reinforcing ribs are arranged in the buffer cavity. The arrangement of the buffer cavity can enhance the protective buffering performance of the pipe and provide expansion space for thermal expansion.
[0008] As a further solution of the utility model: the fiber composite layer is a corrugated tube structure, which can effectively enhance the overall compression resistance of the pipe.
[0009] As a further solution of the utility model: the outer layer of the high temperature resistant pipe layer is provided with an anti-corrosion coating to enhance the durability of the entire pipe.
[0010] After adopting the above technical scheme, the utility model has the following beneficial effects compared with the prior art.
[0011] The utility model provides a fiber composite layer and a high temperature resistant pipe layer outside the pipe substrate, which can effectively improve the overall high temperature resistance of the pipe. A foam insulation layer is provided between the fiber composite layer and the pipe substrate and the high temperature resistant pipe layer, which can effectively enhance the overall insulation performance of the pipe.
[0012] The utility model provides a protective sleeve fixed by a split buckle on the pipeline main body, which can provide dust-proof, corrosion-proof and collision-proof protection for the pipeline main body. The outer layer of the high-temperature resistant pipe layer is printed with scale lines to facilitate cutting of the pipeline.
[0013] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The accompanying drawings are part of this application and are used to provide a further understanding of the utility model. The schematic embodiments of the utility model and their descriptions are used to explain the utility model, but do not constitute an improper limitation on the utility model. Obviously, the drawings described below are only some embodiments. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the drawings:
[0015] Figure 1 It is a schematic diagram of the structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the end face of the utility model after the protective sleeve is installed;
[0017] Figure 3 It is a schematic diagram of the fiber composite layer of the utility model;
[0018] Figure 4 It is a partial schematic diagram of the connection position of the protective sleeve of the utility model.
[0019] In the figure: 1. pipe matrix; 2. fiber composite layer; 3. high temperature resistant pipe layer; 4. scale line; 5. protective sleeve; 6. upper pipe sleeve; 7. lower pipe sleeve; 8. mounting buckle; 9. mounting slot; 10. locking flange; 11. reinforcing rib; 12. buffer cavity; 13. foam insulation layer.
[0020] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION
[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.
[0022] like Figures 1 to 4 As shown, a high-temperature resistant pipe comprises a pipe matrix 1 and a fiber composite layer 2, a foaming insulation layer 13 is arranged between the inner side of the pipe matrix 1 and the fiber composite layer 2, a high-temperature resistant pipe layer 3 is arranged on the outer side of the fiber composite layer 2, a foaming insulation layer 13 is arranged between the high-temperature resistant pipe layer 3 and the fiber composite layer 2, scale lines 4 are arranged on the outer wall of the high-temperature resistant pipe layer 3, a protective sleeve 5 is arranged on the outer side of the high-temperature resistant pipe layer 3, the protective sleeve 5 comprises an upper pipe sleeve 6 and a lower pipe sleeve 7, an installation groove 9 is arranged at the end connection position of the upper pipe sleeve 6, an installation buckle 8 is arranged at the end connection position of the lower pipe sleeve 7, the installation groove 9 and the installation buckle 8 match each other, and are used for locking connection of the upper pipe sleeve 6 and the lower pipe sleeve 7.
[0023] Among them, a locking flange 10 is arranged at the upper end of the mounting buckle 8, and a step is arranged at the transition position between the locking flange 10 and the mounting buckle 8 to enhance the stability of the cooperation between the mounting buckle 8 and the mounting slot 9.
[0024] A buffer cavity 12 is provided between the protective sleeves 5, and a reinforcing rib 11 is provided in the buffer cavity 12. The provision of the buffer cavity 12 can enhance the protective buffering performance of the pipe and provide expansion space for thermal expansion.
[0025] The fiber composite layer 2 is a corrugated tube structure, which can effectively enhance the overall compression resistance of the pipe.
[0026] The outer layer of the high temperature resistant pipe layer 3 is provided with an anti-corrosion coating to enhance the overall durability of the pipe.
[0027] The working principle of the utility model is as follows: the outer side of the pipe substrate 1 is compositely provided with a fiber composite layer 2 through a foamed thermal insulation layer 13, and the outer side of the fiber composite layer 2 is compositely provided with a high-temperature resistant pipe layer 3 through a foamed thermal insulation layer 13. The high-temperature resistant pipe layer 3 can select a carbon structure composite pipe or a high-temperature resistant pipe of other materials to improve the overall high-temperature resistance of the pipe. The fiber composite layer 2 is a corrugated pipe structure, which can effectively enhance the overall compressive strength and flexibility of the pipe. The foamed thermal insulation layer 13 can enhance the thermal insulation performance of the pipe. The high-temperature resistant pipe layer 3 is provided with an anti-corrosion coating. The composite pipe can be used directly or a protective sleeve 5 can be added to the outside. The protective sleeve 5 is a split-type port connection installation, which is convenient for disassembly and assembly and is used to strengthen the protection of the pipe. A scale line 4 is provided on the outer wall of the high-temperature resistant pipe layer 3, which is convenient for fixed-length cutting and assembly of the pipe.
[0028] The novel structure of the present invention is reasonably designed and easy to install and use. A fiber composite layer 2 and a high-temperature resistant pipe layer 3 are arranged outside the pipe matrix 1, which can effectively improve the overall high-temperature resistance of the pipeline. A foam insulation layer 13 is arranged between the fiber composite layer 2 and the pipe matrix 1 and the high-temperature resistant pipe layer 3, which can effectively enhance the overall thermal insulation performance of the pipeline. The pipeline body is provided with a protective sleeve 5 fixed by a split buckle, which can provide dust-proof, corrosion-proof and collision-proof protection for the pipeline body. The outer layer of the high-temperature resistant pipe layer 3 is printed with scale lines 4, which is convenient for cutting the pipeline.
[0029] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model has been disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this patent can make some changes or modify the technical content suggested above into an equivalent embodiment with equivalent changes without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the content of the technical solution of the utility model still falls within the scope of the solution of the utility model.
Claims
1. A high temperature resistant pipe, comprising a pipe substrate (1) and a fiber composite layer (2), characterized in that: A foamed heat-insulating layer (13) is arranged between the inner side of the tube substrate (1) and the fiber composite layer (2); a high-temperature resistant tube layer (3) is arranged on the outer side of the fiber composite layer (2); the foamed heat-insulating layer (13) is arranged between the high-temperature resistant tube layer (3) and the fiber composite layer (2); scale lines (4) are arranged on the outer wall of the high-temperature resistant tube layer (3); a protective sleeve (5) is arranged on the outer side of the high-temperature resistant tube layer (3); the protective sleeve (5) comprises an upper tube sleeve (6) and a lower tube sleeve (7); a mounting groove (9) is arranged at an end connection position of the upper tube sleeve (6); a mounting buckle (8) is arranged at an end connection position of the lower tube sleeve (7); the mounting groove (9) and the mounting buckle (8) match each other.
2. A high temperature resistant pipe according to claim 1, characterized in that: A locking flange (10) is provided at the upper end of the mounting buckle (8), and a step is provided at the transition position between the locking flange (10) and the mounting buckle (8).
3. A high temperature resistant pipe according to claim 2, characterized in that: A buffer cavity (12) is provided between the protective sleeves (5), and a reinforcing rib (11) is provided in the buffer cavity (12).
4. A high temperature resistant pipe according to claim 3, characterized in that: The fiber composite layer (2) is a corrugated tube structure.
5. A high temperature resistant pipe according to claim 4, characterized in that: The outer layer of the high temperature resistant pipe layer (3) is provided with an anti-corrosion coating.