Heat insulation type seamless steel pipe

By setting energy-absorbing grooves and buffer frames inside the seamless steel pipe and filling them with phase change material, adding reinforcing ribs and annular reinforcing rings on the outer surface, and coating them with heat-insulating ceramics and corrosion-resistant layers, the heat transfer problem of seamless steel pipes is solved, and the service life and support performance are improved.

CN224065093UActive Publication Date: 2026-03-31JIANGSU WUCHANG NEW MATERIAL TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-15
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing seamless steel pipes cannot effectively block the heat of fluids when transporting hot fluids, causing heat to be transferred to the outer surface, affecting service life and support performance.

Method used

Energy-absorbing grooves and buffer frames are set inside the seamless steel pipe body, the interior is filled with phase change filler, and reinforcing ribs and reinforcing rings are set on the outer surface. At the same time, heat-insulating ceramics and corrosion-resistant coatings are applied to both the inner and outer surfaces.

Benefits of technology

It effectively absorbs heat from the fluid, reduces the temperature of seamless steel pipes, extends service life, enhances support performance, and prevents deformation and heat loss.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224065093U_ABST
    Figure CN224065093U_ABST
Patent Text Reader

Abstract

According to the technical scheme, the heat insulation type seamless steel pipe comprises a seamless steel pipe body and a buffer frame, an energy absorption groove is formed in the portion, close to the outer surface, of the interior of the seamless steel pipe body, the buffer frame is installed in the energy absorption groove, phase change filler is arranged in the portion, located in a gap of the buffer frame, of the interior of the energy absorption groove, and a guide hole is formed in the interior of the buffer frame. A sealing cover plate is installed on one side of the seamless steel pipe body and located at the energy absorption groove, a clamping groove is formed in the side, close to the sealing cover plate, of the energy absorption groove, and a buckle is installed on the sealing cover plate and close to the clamping groove. The heat insulation type seamless steel pipe solves the problems that when an existing seamless steel pipe conveys heat fluid, heat cannot be blocked, the fluid heat is easily transmitted to the outer surface of a seamless steel pipe body, the use temperature of the seamless steel pipe is increased, and the service life of the seamless steel pipe is affected. Therefore, the service life of the seamless steel pipe is prolonged.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of seamless steel pipe production technology, specifically to a heat-insulating seamless steel pipe. Background Technology

[0002] Seamless steel pipe is a type of steel pipe without welded joints. It is usually produced by solid pressure processing or rotary processing. This type of steel pipe has no obvious weld seams, so it has high strength and pressure resistance. It is suitable for various high-pressure, high-temperature or critical engineering and applications. Seamless steel pipe is commonly used in petroleum, chemical, natural gas, heating, water supply and other fields. It is favored for its excellent sealing and corrosion resistance.

[0003] Existing seamless steel pipes cannot block heat when transporting hot fluids. The heat from the fluid is easily transferred to the outer surface of the seamless steel pipe body, which leads to an increase in the operating temperature of the seamless steel pipe and affects its service life. To address this, we propose a heat-insulating seamless steel pipe. Utility Model Content

[0004] The purpose of this invention is to provide a heat-insulating seamless steel pipe that can absorb heat from the fluid, thereby solving the problem that existing seamless steel pipes cannot block heat when transporting hot fluids, and the heat from the fluid is easily transferred to the outer surface of the seamless steel pipe body, resulting in an increase in the operating temperature of the seamless steel pipe and affecting its service life.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a heat-insulating seamless steel pipe, comprising a seamless steel pipe body and a buffer frame, wherein an energy-absorbing groove is provided inside the seamless steel pipe body near the outer surface, a buffer frame is installed inside the energy-absorbing groove, a phase change filler is provided inside the energy-absorbing groove at the gap of the buffer frame, a guide hole is provided inside the buffer frame, and a sealing cover is installed on one side of the seamless steel pipe body at the position of the energy-absorbing groove.

[0006] Preferably, the energy-absorbing groove is provided with a slot on the side near the sealing cover plate, and a buckle is installed on the sealing cover plate near the slot, the buckle being engaged inside the slot.

[0007] Preferably, a positioning platform is provided in the middle of one side of the sealing cover, and a rubber ring is installed on one side of the positioning platform.

[0008] Preferably, the buffer frame has a support unit inside, and the support unit is arranged in a honeycomb pattern.

[0009] Preferably, the outer surface of the seamless steel pipe body is provided with reinforcing ribs, and a reinforcing ring is provided on the outer surface of the seamless steel pipe body at the gap between the reinforcing ribs.

[0010] Preferably, the reinforcing ribs are arranged horizontally, the reinforcing rings are arranged in a ring shape, and the reinforcing ribs and the reinforcing rings are arranged perpendicularly.

[0011] Preferably, the outer surface of the seamless steel pipe body is provided with a heat-insulating ceramic coating, and the inner surface of the seamless steel pipe body is provided with a corrosion-resistant coating.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. This utility model achieves the effect of absorbing heat from fluids by setting up an energy-absorbing groove, a buffer frame, and a phase change filler. An energy-absorbing groove is set inside the seamless steel pipe body near the outer surface, a buffer frame is set inside the energy-absorbing groove, and a phase change filler is set inside the energy-absorbing groove in the gap between the buffer frame. This solves the problem that existing seamless steel pipes cannot block heat when transporting hot fluids, and the heat of the fluid is easily transferred to the outer surface of the seamless steel pipe body, resulting in an increase in the operating temperature of the seamless steel pipe and affecting its service life. This invention reduces the operating temperature of the seamless steel pipe, thereby improving its service life.

[0014] 2. This utility model achieves the effect of strengthening and supporting the seamless steel pipe by setting reinforcing ribs and reinforcing rings. The reinforcing ribs are set horizontally, the reinforcing rings are set in a ring shape, and the reinforcing ribs and reinforcing rings are set vertically. This solves the problem that the existing seamless steel pipes have poor support performance and are prone to deformation during use, which affects the normal transportation of fluids. It reduces the probability of deformation of the seamless steel pipe, thereby ensuring the normal transportation of fluids.

[0015] 3. This utility model achieves the effect of protecting seamless steel pipes by setting a heat-insulating ceramic coating and a corrosion-resistant coating. A heat-insulating ceramic coating is provided on the outer surface of the seamless steel pipe body, and a corrosion-resistant coating is provided on the inner surface of the seamless steel pipe body. This solves the problem that the seamless steel pipe has poor heat insulation performance and that heat energy is easily transmitted during use, resulting in heat loss of the fluid. It reduces the probability of heat loss of the fluid, thereby ensuring the normal transportation of the fluid. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0017] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0018] Figure 3 for Figure 2 A magnified structural diagram of A;

[0019] Figure 4 This is a cross-sectional structural diagram of the buffer frame of this utility model.

[0020] Reference numerals: 1. Seamless steel pipe body; 2. Reinforcing ring; 3. Reinforcing rib; 4. Energy absorption groove; 5. Guide hole; 6. Phase change filler; 7. Buffer frame; 8. Heat insulation ceramic coating; 9. Positioning platform; 10. Slot; 11. Sealing cover plate; 12. Rubber ring; 13. Buckle; 14. Corrosion resistant coating; 15. Support unit. Detailed Implementation

[0021] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0022] Example 1

[0023] like Figure 1-4 As shown, to achieve the above objectives, this utility model provides the following technical solution: a heat-insulating seamless steel pipe, comprising a seamless steel pipe body 1 and a buffer frame 7. An energy-absorbing groove 4 is provided inside the seamless steel pipe body 1 near its outer surface. A buffer frame 7 is installed inside the energy-absorbing groove 4 to limit the phase change filler 6. The phase change filler 6 is located inside the energy-absorbing groove 4 within the gap of the buffer frame 7. A guide hole 5 is provided inside the buffer frame 7. A sealing cover plate 11 is installed on one side of the seamless steel pipe body 1 at the location of the energy-absorbing groove 4. The energy-absorbing groove 4 is close to the sealing cover plate 11. A slot 10 is provided on one side of the sealing cover plate 11. A buckle 13 is installed on the sealing cover plate 11 near the slot 10. The buckle 13 is snapped into the slot 10. A positioning platform 9 is provided in the middle of one side of the sealing cover plate 11. A rubber ring 12 is installed on one side of the positioning platform 9. A support unit 15 is provided inside the buffer frame 7. The support unit 15 is arranged in a honeycomb pattern. The outer surface of the seamless steel pipe body 1 is provided with a heat-insulating ceramic coating 8. The inner surface of the seamless steel pipe body 1 is provided with a corrosion-resistant coating 14, which improves the corrosion resistance of the seamless steel pipe body 1.

[0024] The working principle of a heat-insulated seamless steel pipe based on Embodiment 1 is as follows: After the present invention is installed, it is connected during use. Fluid is transported through the present invention. When the fluid temperature is high, the phase change filler 6 absorbs the heat of the fluid, causing the phase change filler 6 to change from solid to liquid. At the same time, the phase change filler 6 is transmitted through the guide hole 5, thereby absorbing the heat of the fluid and isolating the heat. The heat-insulating ceramic coating 8 further insulates and protects the seamless steel pipe body 1, thereby improving the service life of the present invention. Thus, the working process of the equipment is completed.

[0025] Example 2

[0026] like Figure 1As shown, the present invention proposes a heat-insulating seamless steel pipe. Compared with Embodiment 1, this embodiment further includes: a reinforcing rib 3 is provided on the outer surface of the seamless steel pipe body 1, and a reinforcing ring 2 is provided on the outer surface of the seamless steel pipe body 1 at the gap of the reinforcing rib 3. The reinforcing rib 3 is arranged horizontally, the reinforcing ring 2 is arranged in a ring shape, and the reinforcing rib 3 and the reinforcing ring 2 are arranged vertically.

[0027] In this embodiment, the seamless steel pipe body 1 is reinforced and supported by the reinforcing ribs 3, thereby reducing the probability of bending of the seamless steel pipe body 1 and ensuring the straightness of the seamless steel pipe body 1. At the same time, the outer diameter of the seamless steel pipe body 1 is supported by the reinforcing rings 2, reducing the probability of deformation of the seamless steel pipe body 1 and ensuring the normal transportation of fluid.

[0028] The above specific embodiments are merely several preferred embodiments of this utility model. Based on the technical solution of this utility model and the relevant teachings of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A heat-insulating seamless steel pipe comprising a seamless steel pipe main body (1) and a buffer holder (7), characterized by: The seamless steel pipe body (1) is internally provided with an energy absorption groove (4) close to the outer surface, the energy absorption groove (4) is internally provided with a buffer frame (7), the energy absorption groove (4) is internally provided with a phase change filler (6) between the buffer frames (7), the buffer frame (7) is internally provided with a guide hole (5), and the seamless steel pipe body (1) is provided with a sealing cover plate (11) on one side at the position of the energy absorption groove (4).

2. The thermally insulated seamless steel pipe according to claim 1, characterized in that: The energy absorption groove (4) is provided with a clamping groove (10) on one side close to the sealing cover plate (11), the sealing cover plate (11) is provided with a buckle (13) on one side close to the clamping groove (10), and the buckle (13) is clamped in the clamping groove (10).

3. The thermally insulated seamless steel pipe according to claim 1, characterized in that: The sealing cover plate (11) is provided with a positioning table (9) on one side, and the positioning table (9) is provided with a rubber ring (12) on one side.

4. The thermally insulated seamless steel pipe according to claim 1, characterized in that: The buffer frame (7) is internally provided with a support unit (15), and the support unit (15) is arranged in a honeycomb shape.

5. The thermally insulated seamless steel pipe according to claim 1, characterized in that: The outer surface of the seamless steel pipe body (1) is provided with a reinforcing rib (3), and the outer surface of the seamless steel pipe body (1) is provided with a reinforcing ring (2) between the reinforcing ribs (3).

6. A thermally insulated, seamless steel pipe according to claim 5, characterized in that: The reinforcing rib (3) is arranged in a transverse direction, the reinforcing ring (2) is arranged in an annular shape, and the reinforcing rib (3) and the reinforcing ring (2) are arranged vertically.

7. The thermally insulated seamless steel pipe according to claim 1, characterized in that: The outer surface of the seamless steel pipe body (1) is provided with a heat insulation ceramic coating (8), and the inner surface of the seamless steel pipe body (1) is provided with a corrosion-resistant coating (14).