Silicone tube structure for fluid transportation
The multi-layered silicone tube design, including a heat-conducting layer and an insulation layer, solves the problem of temperature loss during fluid transport, achieves uniform heating and insulation of the fluid temperature, and improves the fire resistance and impact resistance of the device.
Patent Information
- Application Number
- CN202520597355.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-01
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-04-01
AI Technical Summary
Existing silicone tubing cannot effectively heat and insulate fluids during transport, leading to fluid temperature loss and affecting fluidity and reaction rate.
A multi-layer silicone tube structure was designed, including an inner silicone tube, a heat-conducting layer, a heating wire, an insulation layer, a buffer layer, and an outer silicone tube. The fluid temperature is maintained by heating through the heating wire and by the heat-conducting and insulation layers, while the outer layer provides protection and buffering.
It achieves uniform heating and heat preservation of fluid temperature, improves energy utilization, and enhances the fire resistance and mechanical impact resistance of the device.
Smart Images

Figure CN223754868U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of silica gel pipe especially relates to a silica gel pipe structure for fluid conveying. BACKGROUND
[0002] In the field of fluid conveying, silica gel pipes are widely used due to their good flexibility and chemical stability. Meanwhile, in many industrial and scientific research fields, accurate control of fluid temperature is crucial. For example, in chemical production, some chemical reactions need to be carried out at a specific temperature. In the food and beverage industry, some high-viscosity materials need to be heated to maintain fluidity when conveying, to ensure smooth production. In the medical field, such as hemodialysis equipment, there are also strict requirements for fluid temperature. The silica gel pipe that can heat fluid can maintain the appropriate temperature and ensure the treatment effect. These needs promote the research and application of silica gel pipes that can heat fluid.
[0003] The existing silica gel pipe cannot heat and insulate the fluid when transporting the fluid, which leads to a large amount of loss of fluid temperature during fluid transportation, especially long-distance transportation, resulting in poor fluid flow or a decrease in fluid reaction rate. In view of this, the present application proposes a silica gel pipe structure for fluid conveying. SUMMARY
[0004] The utility model discloses a silica gel pipe structure for fluid conveying to solve the technical problems in the prior art.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A silica gel pipe structure for fluid conveying, comprising an inner layer silica gel pipe, the outer side of the inner layer silica gel pipe is fixedly connected with a heat conduction layer, the outer side of the heat conduction layer is uniformly wound with an electric heating wire, the outer side of the heat conduction layer is provided with a heat preservation layer, and the heat preservation layer is wrapped outside the electric heating wire, the outer side of the heat preservation layer is sequentially provided with a protective layer and a buffer layer, and the outer side of the buffer layer is fixedly connected with an outer layer silica gel pipe.
[0007] Preferably, the protective layer comprises a flame-retardant layer and a metal braid, and the flame-retardant layer is installed on the outer side of the heat preservation layer and wrapped on the outer side of the metal braid.
[0008] Preferably, the buffer layer comprises a buffer inner layer, and the buffer inner layer is wrapped on the outer side of the metal braid, the outer side of the buffer inner layer is provided with a plurality of groups of micro rubber air bags, and each group of micro rubber air bags is arranged along the center point circle of the buffer inner layer, the outer side of the buffer inner layer is provided with a buffer outer layer, and the other side of each micro rubber air bag is fixedly connected with the outer side of the buffer outer layer.
[0009] Preferably, the material of the inner layer silica gel pipe is food-grade silica gel, and the thickness of the inner layer silica gel pipe is 0.5mm-2mm.
[0010] Preferably, the material of the heat preservation layer is polyurethane foam, and the thickness of the heat preservation layer is 3mm-8mm.
[0011] Preferably, the material of the outer layer silica gel pipe is wear-resistant silica gel, and the thickness of the outer layer silica gel pipe is 1mm-3mm.
[0012] The utility model has the following beneficial effects:
[0013] 1, the utility model discloses a heating wire, heat conducting layer, heat preservation layer etc. device, realized the heat that can pass through heating wire electrification generates, and the heat is evenly transmitted to the inner layer silica gel pipe through the heat conducting layer, makes the fluid temperature in the inner layer silica gel pipe and rises, can guarantee that the temperature distribution of fluid on the whole pipeline is more uniform, thereby satisfies in the process of food processing, chemical industry production etc., guarantees the physical chemistry nature or reaction process of fluid is in the best state.
[0014] 2, the utility model discloses a heat preservation layer, buffer layer, protective layer etc. device, realized the heat that can pass through heat preservation layer and can be as far as possible left in the pipe inside that heating wire generates, improves the utilization of energy, and through the possibility of reducing the mechanical impact such as extrusion, collision that the device receives outside through buffer layer, and through the protective layer can enhance the fire -retardant capacity and the compression resistance, tensile strength of device. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is the structural diagram of the utility model for a kind of silica gel pipe structure for fluid transport structure diagram;
[0016] Fig. 2 It is the buffer layer expansion structure diagram of the utility model for a kind of silica gel pipe structure for fluid transport;
[0017] Fig. 3 It is the protective layer structure diagram of the utility model for a kind of silica gel pipe structure for fluid transport.
[0018] In the drawing: 1, inner layer silica gel pipe;2, heat conducting layer;3, heating wire;4, heat preservation layer;5, protective layer;51, fire -retardant layer;52, metal woven net;6, buffer layer;61, buffer outer layer;62, micro rubber air bag;63, buffer inner layer;7, outer layer silica gel pipe. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0020] The utility model provides technical scheme: such as Figs. 1-3 As shown in a kind of silica gel pipe structure for fluid delivery, including inner layer silica gel pipe 1, the outer side of inner layer silica gel pipe 1 is fixedly connected with heat conducting layer 2, the outer side of heat conducting layer 2 is evenly wound with electric heating wire 3, heat conducting layer 2 is installed with heat preservation layer 4, and heat preservation layer 4 is wrapped in the outer side of electric heating wire 3, the outer side of heat preservation layer 4 is sequentially provided with protective layer 5 and buffer layer 6, the outer side of buffer layer 6 is fixedly connected with outer layer silica gel pipe 7.
[0021] Through heat conducting layer 2, the heat generated by electric heating wire 3 is conveniently and evenly transferred to inner layer silica gel pipe 1 to heat the fluid, and the fluid can be heated by electric heating wire 3, ensuring the temperature of the fluid, and the heat loss is reduced by heat preservation layer 4.
[0022] Further, the protective layer 5 includes a flame-retardant layer 51 and a metal woven mesh 52, and the flame-retardant layer 51 is installed on the outer side of the heat preservation layer 4, and the flame-retardant layer 51 is wound on the outer side of the metal woven mesh 52. When the device is in a fire risk environment, the flame-retardant layer 51 can prevent the spread of fire. Specifically, the flame-retardant layer 51 can be made of halogen-containing flame-retardant material. When exposed to a fire source, it will release hydrogen halide gas. These gases can capture free radicals during combustion, thereby interrupting the chain reaction of combustion and preventing the further spread of flames. At the same time, it can provide a certain heat protection capability for the device, ensuring the normal use of the electric heating wire 3. Meanwhile, the metal woven mesh 52 can provide additional support and protection, improving the compression and tensile strength of the silica gel pipe.
[0023] Further, the buffer layer 6 includes a buffer inner layer 63, and the buffer inner layer 63 is wrapped on the outer side of the metal woven mesh 52. A plurality of micro rubber airbags 62 are installed on the outer side of the buffer inner layer 63, and each group of micro rubber airbags 62 is arranged along the center point circle of the buffer inner layer 63. A buffer outer layer 61 is provided on the outer side of the buffer inner layer 63, and the other side of each micro rubber airbag 62 is fixedly connected with the outer side of the buffer outer layer 61. The plurality of micro rubber airbags 62 can provide buffer protection for the device, reducing the impact damage of external impact on the device, and the plurality of micro rubber airbags 62 do not affect the normal bending performance of the device.
[0024] Further, the material of the inner layer silica gel pipe 1 is food-grade silica gel, and the thickness of the inner layer silica gel pipe 1 is 0.5mm-2mm. When transporting some food or related fluid, the safety and hygiene of the fluid can be ensured.
[0025] Further, the material of the heat preservation layer 4 is polyurethane foam, and the thickness of the heat preservation layer 4 is 3mm-8mm. Polyurethane foam is a commonly used thermal insulation material, which has good thermal insulation performance, and the thicker the thickness of the corresponding heat preservation layer 4, the better the thermal insulation performance. The appropriate thickness can be selected according to different use scenarios.
[0026] Further, the outer layer silica gel tube 7 is made of wear-resistant silica gel, and has a thickness of 1-3 mm, so that the wear resistance of the device is enhanced, the surface of the device is prevented from being damaged due to friction, and meanwhile, the thickness meets the wear resistance requirement, and does not affect the bending performance and use convenience of the device.
[0027] The utility model provides a silica gel tube structure for fluid delivery, and the specific working principle is as follows: firstly, the two ends of the device are connected with external devices, and the heating wire 3 is connected with external power supply, heat can be generated by energization of the heating wire 3, and the heat is conducted to the heat conducting layer 2, the heat conducting layer 2 plays the heat conducting performance, rapidly and uniformly transmits the heat to the inner layer silica gel tube 1, the temperature of the fluid in the inner layer silica gel tube 1 is raised, the temperature distribution of the fluid on the whole pipeline can be ensured to be relatively uniform, and the application scene with accurate fluid temperature requirement is met, for example, in the food processing, chemical production and other processes, the physical and chemical properties or reaction process of the fluid is ensured to be in the best state, and meanwhile, the heat generated by the heating wire 3 can be left in the pipeline as much as possible through the heat preservation layer 4, and the energy utilization rate is improved.
[0028] The above is only the preferred embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, and all should be covered in the protection scope of the utility model.
Claims
1. A silicone tube structure for fluid delivery comprising an inner layer of silicone tube (1), characterized in that, The outer side of the inner silica gel pipe (1) is fixedly connected with a heat conduction layer (2), the outer side of the heat conduction layer (2) is uniformly wound with an electric heating wire (3), the outer side of the heat conduction layer (2) is provided with a heat preservation layer (4), the heat preservation layer (4) is wrapped outside the electric heating wire (3), the outer side of the heat preservation layer (4) is sequentially provided with a protective layer (5) and a buffer layer (6), and the outer side of the buffer layer (6) is fixedly connected with an outer silica gel pipe (7).
2. A silicone tube structure for fluid delivery according to claim 1, wherein, The protective layer (5) comprises a flame-retardant layer (51) and a metal woven mesh (52), the flame-retardant layer (51) is mounted on the outer side of the heat preservation layer (4), and the flame-retardant layer (51) is wound on the outer side of the metal woven mesh (52).
3. A silicone tube structure for fluid delivery according to claim 1, wherein, The buffer layer (6) comprises a buffer inner layer (63), and the buffer inner layer (63) is wrapped on the outer side of the metal woven mesh (52), the outer side of the buffer inner layer (63) is provided with a plurality of groups of micro rubber air bags (62), each group of micro rubber air bags (62) is arranged along the center point circle of the buffer inner layer (63), the outer side of the buffer inner layer (63) is provided with a buffer outer layer (61), and the other side of each micro rubber air bag (62) is fixedly connected with the outer side of the buffer outer layer (61).
4. A silicone tube structure for fluid delivery according to claim 1, wherein, The material of the inner silica gel pipe (1) is food-grade silica gel, and the thickness of the inner silica gel pipe (1) is 0.5-2 mm.
5. A silicone tube structure for fluid delivery according to claim 1, wherein, The material of the heat preservation layer (4) is polyurethane foam, and the thickness of the heat preservation layer (4) is 3-8 mm.
6. A silicone tube structure for fluid delivery according to claim 1, wherein, The material of the outer silica gel pipe (7) is wear-resistant silica gel, and the thickness of the outer silica gel pipe (7) is 1-3 mm.