Novel heat-insulating steel pipe

Abstract

The utility model discloses a novel heat preservation steel pipe, including steel pipe main part, the steel pipe main part outside wall is wrapped with aerogel felt layer, the aerogel felt layer outside is wrapped with ceramic filling layer, the ceramic filling layer outside is wrapped with heat preservation layer, the heat preservation layer outside is wrapped with reflection film layer, the reflection film layer outside is provided with the protective layer, and the protective layer edge with steel pipe main part between circularly distributed has multiple groups of reinforcing rib. Advantageous effect lies in: the utility model discloses through setting up aerogel felt layer and ceramic filling layer, both with original polyurethane heat preservation layer can influence multilayer composite heat preservation mechanism, in the use, utilize the low performance of aerogel felt layer's heat conductivity coefficient to realize the heat preservation and heat insulation effect, and ceramic filling layer further reduces heat conduction, and then cooperate original heat preservation layer can effectively improve its steel pipe's heat preservation performance, has higher use performance.

Description

Technical Field

[0001] This utility model relates to the field of thermal insulation steel pipe technology, specifically to a new type of thermal insulation steel pipe. Background Technology

[0002] Heat preservation pipe is a steel pipe that has undergone heat preservation processing to ensure that the internal temperature and surface temperature of the working steel pipe meet or reach the usage requirements under different working environments and external media.

[0003] Existing insulated steel pipes achieve insulation through a single polyurethane insulation layer. However, the insulation performance of this method decreases over time, leading to heat loss from the transported medium and affecting its service life and insulation effect. Therefore, there is an urgent need for a new type of insulated steel pipe to solve these problems. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] The technical problem to be solved by this utility model is to provide a new type of insulated steel pipe in light of the current state of the technology.

[0006] (II) Technical Solution

[0007] This utility model is achieved through the following technical solution: This utility model proposes a novel heat-insulating steel pipe, including a steel pipe body, an aerogel felt layer wrapped on the outer wall of the steel pipe body, a ceramic filling layer wrapped on the outer side of the aerogel felt layer, a heat-insulating layer wrapped on the outer side of the ceramic filling layer, a reflective film layer wrapped on the outer side of the heat-insulating layer, a protective layer provided on the outer side of the reflective film layer, and multiple sets of reinforcing ribs circumferentially distributed between the edge of the protective layer and the steel pipe body.

[0008] Furthermore, the aerogel felt layer is bonded to the outer wall of the steel pipe body, and the thickness of the aerogel felt layer is 10mm.

[0009] Furthermore, the ceramic filler layer is bonded to the outside of the aerogel felt layer, and the ceramic in the ceramic filler layer is nano-sized ceramic microspheres with a thickness of 8 mm.

[0010] Furthermore, the insulation layer is bonded to the outside of the ceramic filler layer, and the insulation layer is made of polyurethane and has a thickness of 30mm.

[0011] Furthermore, the reflective film layer is adhered to the outside of the insulation layer, and the reflective film layer is made of aluminum foil.

[0012] Furthermore, the protective layer is bonded to the outside of the reflective film layer, and the protective layer is made of fiberglass.

[0013] Furthermore, the reinforcing rib is fixed between the steel pipe body and the protective layer, and the reinforcing rib is made of heat-insulating material.

[0014] Furthermore, the inner wall of the steel pipe body is coated with a corrosion-resistant layer, the thickness of which is 3mm.

[0015] (III) Beneficial Effects

[0016] Compared with the prior art, this utility model has the following advantages:

[0017] This invention incorporates an aerogel felt layer and a ceramic filler layer, which, together with the original polyurethane insulation layer, create a multi-layer composite insulation structure. During use, the aerogel felt layer utilizes its low thermal conductivity to achieve thermal insulation, while the ceramic filler layer further reduces heat conduction. Combined with the original insulation layer, this effectively improves the insulation performance of the steel pipe, resulting in superior performance. Attached Figure Description

[0018] Figure 1 This is a structural schematic diagram of a novel insulated steel pipe according to the present invention;

[0019] Figure 2 This is a schematic diagram of the internal structure of the protective layer in a novel insulated steel pipe according to this utility model;

[0020] Figure 3 This utility model describes a novel insulated steel pipe. Figure 2 Enlarged view of point A in the middle.

[0021] The annotations in the attached figures are explained as follows:

[0022] 1. Steel pipe body; 2. Protective layer; 3. Corrosion resistant layer; 4. Reinforcing rib; 5. Thermal insulation layer; 6. Aerogel felt layer; 7. Reflective film layer; 8. Ceramic filler layer. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0024] like Figures 1-3As shown, a novel insulated steel pipe in this embodiment includes a steel pipe body 1. An aerogel felt layer 6 is wrapped around the outer wall of the steel pipe body 1, which can provide heat insulation. A ceramic filling layer 8 is wrapped around the outer side of the aerogel felt layer 6 to further reduce heat conduction. An insulation layer 5 is wrapped around the outer side of the ceramic filling layer 8. A reflective film layer 7 is wrapped around the outer side of the insulation layer 5 to reflect heat radiation. A protective layer 2 is provided on the outer side of the reflective film layer 7 to protect the steel pipe body 1. Multiple sets of reinforcing ribs 4 are distributed circumferentially between the edge of the protective layer 2 and the steel pipe body 1 to reinforce the protective layer 2.

[0025] like Figures 1-3 In this embodiment, the aerogel felt layer 6 is bonded to the outer wall of the steel pipe body 1. The thickness of the aerogel felt layer 6 is 10mm. The ceramic filling layer 8 is bonded to the outside of the aerogel felt layer 6. The ceramic in the ceramic filling layer 8 is nano-sized ceramic microspheres and has a thickness of 8mm. The heat insulation layer 5 is bonded to the outside of the ceramic filling layer 8. The heat insulation layer 5 is made of polyurethane and has a thickness of 30mm. The reflective film layer 7 is bonded to the outside of the heat insulation layer 5. The reflective film layer 7 is made of aluminum foil. During use, the low thermal conductivity of the aerogel felt layer 6 is used to achieve the heat insulation effect. At the same time, the ceramic filling layer 8 further reduces heat conduction. Combined with the original heat insulation layer 5 and the reflective film layer 7 to reflect heat radiation, the heat insulation performance of the steel pipe can be effectively improved.

[0026] like Figures 1-3 In this embodiment, the protective layer 2 is bonded to the outside of the reflective film layer 7. The protective layer 2 is made of fiberglass. The reinforcing rib 4 is fixed between the steel pipe body 1 and the protective layer 2. The reinforcing rib 4 is made of heat insulation material. The inner wall of the steel pipe body 1 is sprayed with a corrosion-resistant layer 3. The thickness of the corrosion-resistant layer 3 is 3mm. The protective layer 2 protects the steel pipe body 1, and the corrosion-resistant layer 3 can improve the corrosion resistance of the steel pipe body 1.

[0027] The specific implementation process of this embodiment is as follows: First, the steel pipe body 1 is hoisted and laid. During use, the corrosion-resistant layer 3 can improve the corrosion resistance of the steel pipe body 1, the protective layer 2 protects the steel pipe body 1, and the aerogel felt layer 6 uses its own low thermal conductivity to achieve the thermal insulation effect. At the same time, the ceramic filling layer 8 further reduces heat conduction. Combined with the original insulation layer 5, it can effectively improve the thermal insulation performance of the steel pipe and has high performance.

[0028] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A novel insulated steel pipe, characterized in that: The system includes a steel pipe body (1), an aerogel felt layer (6) wrapped on the outer wall of the steel pipe body (1), a ceramic filling layer (8) wrapped on the outer side of the aerogel felt layer (6), a heat insulation layer (5) wrapped on the outer side of the ceramic filling layer (8), a reflective film layer (7) wrapped on the outer side of the heat insulation layer (5), a protective layer (2) provided on the outer side of the reflective film layer (7), and multiple sets of reinforcing ribs (4) distributed circumferentially between the edge of the protective layer (2) and the steel pipe body (1).

2. The novel insulated steel pipe according to claim 1, characterized in that: The aerogel felt layer (6) is bonded to the outer wall of the steel pipe body (1), and the thickness of the aerogel felt layer (6) is 10 mm.

3. The novel insulated steel pipe according to claim 1, characterized in that: The ceramic filler layer (8) is bonded to the outside of the aerogel felt layer (6), and the ceramic in the ceramic filler layer (8) is a nano-sized ceramic microsphere with a thickness of 8 mm.

4. The novel insulated steel pipe according to claim 1, characterized in that: The insulation layer (5) is bonded to the outside of the ceramic filler layer (8), and the insulation layer (5) is made of polyurethane and has a thickness of 30mm.

5. A novel insulated steel pipe according to claim 4, characterized in that: The reflective film layer (7) is bonded to the outside of the insulation layer (5), and the material of the reflective film layer (7) is aluminum foil.

6. A novel insulated steel pipe according to claim 5, characterized in that: The protective layer (2) is bonded to the outside of the reflective film layer (7), and the material of the protective layer (2) is fiberglass.

7. A novel insulated steel pipe according to claim 6, characterized in that: The reinforcing rib (4) is fixed between the steel pipe body (1) and the protective layer (2), and the reinforcing rib (4) is made of heat insulation material.

8. A novel insulated steel pipe according to claim 7, characterized in that: The inner wall of the steel pipe body (1) is coated with a corrosion-resistant layer (3), and the thickness of the corrosion-resistant layer (3) is 3mm.

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