Marine low-temperature insulating pressure-bearing pipeline component
By combining the inner tube with the outer insulating half-tube and filling with foam, the problem of complex structure and cumbersome installation of existing marine pressure pipelines is solved, achieving convenient installation and good heat insulation effect.
Patent Information
- Application Number
- CN202520839174.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-28
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-04-28
AI Technical Summary
Existing marine pressure pipelines have complex structures and cumbersome installation procedures, which are not conducive to their promotion and use.
The system employs a combination structure of an inner tube, a first outer insulating half-tube, and a second outer insulating half-tube. The inner tube is suspended by a support column, and a foam layer is filled between them. The system utilizes a detachable connection and fixing structure to achieve convenient installation.
It achieves a simple structure and convenient installation. The thermal insulation performance of the foam effectively blocks heat transfer, improving the stability and thermal insulation effect.
Smart Images

Figure CN223895308U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of marine pipeline technology, specifically to a marine low-temperature insulated pressure-bearing pipeline component. Background Technology
[0002] Marine piping refers to the pipes used on a ship to connect various mechanical equipment and to transport working fluids such as water, oil, and gas. Marine piping is divided into two main categories: power piping and ship system piping. Power piping consists of various pipes serving the main engine and auxiliary engines, including pipes for fuel oil, lubricating oil, cooling water, compressed air, exhaust, and waste heat. Ship system piping is designed to meet the normal living needs of the crew and passengers.
[0003] Patent application number 202310779454.2 discloses a pressure-bearing pipeline for a ship. Its overall structure is relatively complex and the installation steps are cumbersome, which is not conducive to its promotion and use. Therefore, it is necessary to improve it. Utility Model Content
[0004] The purpose of this invention is to provide a marine low-temperature insulated pressure-bearing pipeline component that is easy to install and has a simple structure.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A marine cryogenic insulating pressure-bearing pipe component includes: an inner pipe, a first outer insulating half-pipe, and a second outer insulating half-pipe.
[0007] Multiple support columns are provided on the inner wall of both the first and second outer insulating half tubes, and the first and second outer insulating half tubes are detachably connected.
[0008] The inner tube is suspended between the first outer insulating half-tube and the second outer insulating half-tube by the support column.
[0009] A filling cavity is formed between the inner tube, the first outer insulating half tube, and the second outer insulating half tube. An injection port is provided on the first outer insulating half tube and / or the second outer insulating half tube, and the injection port communicates with the filling cavity.
[0010] The filling cavity is filled with a layer of expanding foam.
[0011] In at least one embodiment of the marine cryogenic insulation pressure-bearing pipe component provided by this disclosure, an insertion portion is provided on the first outer insulating half-pipe.
[0012] An insertion groove is provided on the second outer insulating half tube.
[0013] The first outer insulating half tube and the second outer insulating half tube are detachably connected through the insertion part and the insertion slot.
[0014] In at least one embodiment of the marine cryogenic insulation pressure-bearing pipe component provided by this disclosure, the insertion part is provided with a filling hole.
[0015] The second outer insulating half tube is provided with a perforation, and the insertion groove and the filling cavity are connected through the perforation.
[0016] When the insertion part is inserted into the insertion slot, the perforation is configured to communicate with the filling hole.
[0017] The marine cryogenic insulation pressure-bearing pipe component provided in at least one embodiment of this disclosure further includes: a plug.
[0018] The plug is used to seal the injection port.
[0019] In at least one embodiment of the marine cryogenic insulation pressure-bearing pipe component provided by this disclosure, the outer wall of the inner pipe is provided with a first release agent layer.
[0020] In at least one embodiment of the marine cryogenic insulation pressure-bearing pipe component provided by this disclosure, a second release agent layer is provided on the inner wall of the first outer insulating half-pipe, the inner wall of the second outer insulating half-pipe, and the outer surface of the support column.
[0021] In at least one embodiment of the marine cryogenic insulation pressure-bearing pipe component provided by this disclosure, both the first outer insulating half-pipe and the second outer insulating half-pipe have multiple cavities inside.
[0022] In at least one embodiment of the marine cryogenic insulation pressure-bearing pipe component provided by this disclosure, a connecting plate is provided between the first outer insulating half-pipe and the second outer insulating half-pipe.
[0023] Both the first and second outer insulating half-tubes are bolted to the connecting plate.
[0024] In at least one embodiment of the marine cryogenic insulation pressure-bearing pipe component provided by this disclosure, the first outer insulating half-pipe and the second outer insulating half-pipe are both integrally formed with their respective support columns.
[0025] The beneficial effects of this utility model are as follows: the overall structure is simple, and the first and second outer insulating half-tubes serve as insulation. Furthermore, the cavity formed between the two and the inner tube is filled with expanding foam, whose excellent thermal insulation properties effectively block heat transfer, thus achieving a thermal insulation effect.
[0026] During installation, the first and second outer insulating half-tubes are fitted over the inner tube and secured. Then, expanding foam is injected into the filling cavity. The expanding foam quickly cures within the cavity, completing the installation. This installation method is simple and convenient. Attached Figure Description
[0027] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0028] Figure 1 This is a cross-sectional view of the marine cryogenic insulation pressure-bearing pipeline component in Example 1.
[0029] Figure 2 This is a partial cross-sectional view of the marine low-temperature insulation pressure-bearing pipe component in Example 1 without the filling of expanding foam.
[0030] Figure 3 This is a 3D diagram of the plug.
[0031] Figure 4 This is a cross-sectional view of the marine cryogenic insulation pressure-bearing pipeline component in Example 2.
[0032] Figure 5 This is a partial cross-sectional view of the marine cryogenic insulation pressure-bearing pipeline component in Example 3.
[0033] In the picture:
[0034] 10. Inner tube;
[0035] 20. First outer insulating half-tube; 21. Support column; 22. Insertion part; 23. Filling hole;
[0036] 30. Second outer insulating half-tube; 31. Perforation; 32. Cavity;
[0037] 40. Foam layer;
[0038] 50. Stopper;
[0039] 60. Connecting plate. Detailed Implementation
[0040] The technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments, not all embodiments.
[0041] Example 1
[0042] like Figures 1 to 3 As shown, this embodiment provides a marine cryogenic insulation pressure-bearing pipe component, including: an inner pipe 10, a first outer insulating half-pipe 20, a second outer insulating half-pipe 30, and a plug 50.
[0043] Specifically, multiple support columns 21 are provided on the inner walls of the first outer insulating half tube 20 and the second outer insulating half tube 30, and the first outer insulating half tube 20 and the second outer insulating half tube 30 are detachably connected.
[0044] Specifically, the inner tube 10 is suspended between the first outer insulating half-tube 20 and the second outer insulating half-tube 30 by the support column 21. Since the first outer insulating half-tube 20 and the second outer insulating half-tube 30 are sleeved on the outside of the inner tube 10, they can achieve the effect of insulation.
[0045] Specifically, a filling cavity is formed between the inner tube 10, the first outer insulating half-tube 20, and the second outer insulating half-tube 30. Injection ports are provided on the first outer insulating half-tube 20 and the second outer insulating half-tube 30, and the injection ports communicate with the filling cavity. The filling cavity is filled with a foaming adhesive layer 40.
[0046] Since the cavity formed between the first outer insulating half-tube 20 and the second outer insulating half-tube 30 and the inner tube 10 is filled with a foam layer 40, it can play a role in heat insulation.
[0047] In this embodiment, the first outer insulating half-tube 20 is provided with an insertion part 22, and the second outer insulating half-tube 30 is provided with an insertion groove. The first outer insulating half-tube 20 and the second outer insulating half-tube 30 are detachably connected through the insertion part 22 and the insertion groove.
[0048] In this embodiment, the insertion part 22 is provided with a filling hole 23, and the second outer insulating half tube 30 is provided with a through hole 31. The insertion groove and the filling cavity are connected through the through hole 31.
[0049] After the insertion part 22 is inserted into the insertion slot, the perforation 31 is configured to communicate with the filling hole 23. Foam can enter the filling hole 23 and the perforation 31. After the foam cures, it can fix the insertion part 22, preventing the insertion part 22 from easily moving out of the insertion slot, so that the first outer insulating half tube 20 and the second outer insulating half tube 30 have good stability in use.
[0050] In this embodiment, the plug 50 is used to block the injection port.
[0051] In this embodiment, the first outer insulating half tube 20 and the second outer insulating half tube 30 are both integrally formed with their respective support columns 21.
[0052] During installation, the first outer insulating half tube 20 and the second outer insulating half tube 30 are fitted over the inner tube 10 and fixed. Then, an appropriate amount of expanding foam is injected into the filling cavity to complete the installation. The installation is convenient.
[0053] Example 2
[0054] like Figure 5As shown, this embodiment provides a marine cryogenic insulation pressure-bearing pipe component, including: an inner pipe 10, a first outer insulating half-pipe 20, a second outer insulating half-pipe 30, and a plug 50.
[0055] Specifically, multiple support columns are provided on the inner walls of the first outer insulating half tube 20 and the second outer insulating half tube 30, and the first outer insulating half tube 20 and the second outer insulating half tube 30 are detachably connected.
[0056] Specifically, the inner tube 10 is suspended between the first outer insulating half-tube 20 and the second outer insulating half-tube 30 by a support column. A filling cavity is formed between the inner tube 10, the first outer insulating half-tube 20, and the second outer insulating half-tube 30. Injection ports are provided on the first outer insulating half-tube 20 and the second outer insulating half-tube 30, and the injection ports communicate with the filling cavity. The filling cavity is filled with a foam adhesive layer 40.
[0057] In this embodiment, the plug 50 is used to block the injection port.
[0058] In this embodiment, the first outer insulating half-tube 20 is provided with an insertion part 22, and the second outer insulating half-tube 30 is provided with an insertion groove. The first outer insulating half-tube 20 and the second outer insulating half-tube 30 are detachably connected through the insertion part 22 and the insertion groove.
[0059] In this embodiment, a first release agent layer (not shown) is provided on the outer wall of the inner tube 10, and a second release agent layer (not shown) is provided on the inner wall of the first outer insulating half-tube 20, the inner wall of the second outer insulating half-tube 30, and the outer surface of the support column 21. By providing the first and second release agent layers, the foaming adhesive can be prevented from adhering to the inner tube 10, the first outer insulating half-tube 20, and the second outer insulating half-tube 30, etc., which facilitates the subsequent disassembly of the first outer insulating half-tube 20, the second outer insulating half-tube 30, and the foaming agent layer, and is beneficial for subsequent maintenance and replacement of the foaming agent layer.
[0060] In this embodiment, a connecting plate 60 is provided between the first outer insulating half-tube 20 and the second outer insulating half-tube 30; both the first outer insulating half-tube 20 and the second outer insulating half-tube 30 are bolted to the connecting plate 60. By providing a connecting plate and combining it with a bolted connection structure to further fix the first outer insulating half-tube 20 and the second outer insulating half-tube 30, the connection stability of the first outer insulating half-tube 20 and the second outer insulating half-tube 30 can be effectively improved.
[0061] In this embodiment, the first outer insulating half tube 20 and the second outer insulating half tube 30 are both integrally formed with their respective support columns.
[0062] Example 3
[0063] like Figure 4As shown, this embodiment provides a marine cryogenic insulating pressure-bearing pipe component, which differs from Embodiment 1 in that both the first outer insulating half-pipe 20 and the second outer insulating half-pipe 30 have multiple cavities 32 inside. The first outer insulating half-pipe 20 and the second outer insulating half-pipe 30 have good thermal insulation capabilities.
[0064] Although embodiments of this application have been shown and described above, the scope of protection of this utility model is not limited thereto. Any changes or substitutions that can be conceived without inventive effort should be included within the scope of protection of this utility model. Unless expressly stated otherwise, no element, action or instruction used herein should be construed as critical or necessary.
Claims
1. A marine cryogenic insulation pressure-bearing pipeline component, characterized in that, include: Inner tube, first outer insulating half-tube, and second outer insulating half-tube; Multiple support columns are provided on the inner wall of both the first and second outer insulating half tubes, and the first and second outer insulating half tubes are detachably connected. The inner tube is suspended between the first outer insulating half tube and the second outer insulating half tube by the support column. A filling cavity is formed between the inner tube, the first outer insulating half tube, and the second outer insulating half tube. An injection port is provided on the first outer insulating half tube and / or the second outer insulating half tube, and the injection port communicates with the filling cavity. The filling cavity is filled with a layer of expanding foam.
2. The marine cryogenic insulation pressure-bearing pipeline component according to claim 1, characterized in that, An insertion portion is provided on the first outer insulating half-tube; The second outer insulating half-tube is provided with an insertion groove; The first outer insulating half tube and the second outer insulating half tube are detachably connected through the insertion part and the insertion slot.
3. A marine cryogenic insulation pressure-bearing pipeline component according to claim 2, characterized in that, The insertion part is provided with a filling hole; The second outer insulating half-tube is provided with a perforation, and the insertion groove and the filling cavity are connected through the perforation; When the insertion part is inserted into the insertion slot, the perforation is configured to communicate with the filling hole.
4. A marine cryogenic insulation pressure-bearing pipeline component according to claim 1, characterized in that, Also includes: plug; The plug is used to seal the injection port.
5. A marine cryogenic insulating pressure-bearing pipeline component according to claim 1, characterized in that, The outer wall of the inner tube is provided with a first release agent layer.
6. A marine cryogenic insulation pressure-bearing pipeline component according to claim 5, characterized in that, A second release agent layer is provided on the inner wall of the first outer insulating half tube, the inner wall of the second outer insulating half tube, and the outer surface of the support column.
7. A marine cryogenic insulating pressure-bearing pipeline component according to claim 1, characterized in that, Both the first and second outer insulating half-tubes have multiple cavities inside.
8. A marine cryogenic insulation pressure-bearing pipeline component according to claim 6, characterized in that, A connecting plate is provided between the first outer insulating half tube and the second outer insulating half tube. Both the first and second outer insulating half-tubes are bolted to the connecting plate.
9. A marine cryogenic insulating pressure-bearing pipeline component according to claim 1, characterized in that, Both the first and second outer insulating half tubes are integrally formed with their respective support columns.
Citation Information
Patent Citations
Marine low-temperature insulating pressure-bearing pipeline component and manufacturing method thereof
CN116658703A