Anti-corrosion galvanized steel pipe

By adopting a double-layer steel pipe structure and a fine stone concrete layer in anti-corrosion galvanized steel pipe, combined with a thermal insulation layer of longitudinal reinforcement ribs and fiberglass material, the problem of deformation and low strength of steel pipes after longitudinal stress is solved, achieving high The strength and thermal insulation effect improve the performance of steel pipes.

CN222277720UActive Publication Date: 2024-12-31BWD (NANJING) ENVIRONMENTAL TECH CO LTD
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Patent Information

Application Number
CN202421060696.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-16
Publication Date
2024-12-31
Estimated Expiration
2034-05-16

AI Technical Summary

Technical Problem

The existing anti-corrosion galvanized steel pipes are prone to deform after longitudinal stress, have low strength, and lack thermal insulation and heat insulation, which cannot improve the performance of steel pipes.

Method used

A double-layer steel pipe structure is adopted, with a fine stone concrete layer filled between the outer and inner steel pipe layers, and a longitudinal reinforcement rib and positioning hoop are installed in the outer steel pipe layer. The inner surface of the outer steel pipe layer is equipped with a thermal insulation layer made of glass fiber material. It is made of elastic transition layer made of polyurethane elastomer material, and the inner surface of the inner steel pipe layer is coated with Teflon anti-stick coating.

Benefits of technology

It improves the overall stiffness and strength of the steel pipe, enhances the longitudinal bending strength, achieves the thermal insulation effect, and improves the performance of the steel pipe.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of steel pipes, in particular to an anti-corrosion galvanized steel pipe which comprises a pipe body, a reinforcing sleeve, a connecting plate and a hanging plate, a galvanized layer is arranged on the outer surface layer of the pipe body, and the pipe body is composed of an outer side steel pipe layer, a fine aggregate concrete layer, an inner side steel pipe layer, a heat insulation layer, an elastic transition layer and a stable inner pipe. The inner surface layer of the outer side steel pipe layer is sleeved with an inner side steel pipe layer, and the position between the inner side steel pipe layer and the outer side steel pipe layer is filled with a fine aggregate concrete layer. Longitudinal reinforcing ribs are distributed in the fine aggregate concrete layer at equal intervals in the direction of the pipeline body, positioning hoops are arranged on the outer sides of the longitudinal reinforcing ribs at equal intervals in a sleeving mode, an elastic transition layer is arranged on the inner side surface layer of the inner side steel pipe layer in a sleeving mode, and a heat insulation layer is arranged between the elastic transition layer and the inner side steel pipe layer. The anti-corrosion galvanized steel pipe is high in strength and not prone to deformation and has the heat preservation and insulation effects, and the use performance of the steel pipe is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of steel pipes, in particular to an anti-corrosion galvanized steel pipe. Background Art

[0002] Galvanized steel pipe is a steel pipe with a layer of zinc metal plated on the surface to increase its corrosion resistance. It is mainly divided into cold-dip galvanized steel pipe and hot-dip galvanized steel pipe. However, cold-dip galvanized steel pipe has been banned by the country due to its poor corrosion resistance.

[0003] The existing anti-corrosion galvanized steel pipe is easy to deform after being subjected to longitudinal force, has low strength, does not have the effect of heat preservation and heat insulation, and cannot improve the performance of the steel pipe. Utility Model Content

[0004] In view of the problems in the prior art, the utility model provides an anti-corrosion galvanized steel pipe. The anti-corrosion galvanized steel pipe has high strength, is not easy to deform, has the effect of thermal insulation, and improves the performance of the steel pipe.

[0005] The technical solution adopted by the utility model to solve the technical problem is an anti-corrosion galvanized steel pipe, comprising a pipe body, a reinforcement sleeve, a connecting plate and a hanging plate, the outer surface of the pipe body is provided with a galvanized layer, the pipe body is composed of an outer steel pipe layer, a fine stone concrete layer, an inner steel pipe layer, a heat insulation layer, an elastic transition layer and a stable inner pipe, the inner surface of the outer steel pipe layer is provided with an inner steel pipe layer, and a fine stone concrete layer is filled between the inner steel pipe layer and the outer steel pipe layer;

[0006] Longitudinal reinforcement ribs are arranged at equal distances in the fine stone concrete layer along the direction of the pipeline body, positioning hoops are sleeved at equal distances on the outside of the longitudinal reinforcement ribs, the inner surface of the inner steel pipe layer is sleeved with an elastic transition layer, and a heat insulation layer is arranged between the elastic transition layer and the inner steel pipe layer, and the heat insulation layer is specifically made of glass fiber material.

[0007] By adopting the above technical scheme, a double-layer steel pipe structure is used to increase the thickness of the pipe, and a fine stone concrete layer is filled in between to improve the overall rigidity and strength, positioning hoops and longitudinal reinforcement ribs are used to increase the longitudinal bending strength of the pipeline body, and the performance of the pipeline body is improved, and the thermal insulation layer is made of glass fiber material with high thermal stability and high temperature resistance, thereby improving the thermal insulation effect of the pipeline body.

[0008] Specifically, reinforcement sleeves are equidistantly sleeved on the outside of the pipe body, and the top of the reinforcement sleeves is connected to a connecting plate via a hanging plate.

[0009] Specifically, the connecting plate is provided with connecting holes.

[0010] Specifically, the elastic transition layer is made of polyurethane elastomer material.

[0011] Specifically, the inner surface layer of the elastic transition layer is provided with a stabilizing inner tube, and the stabilizing inner tube is specifically made of PU material.

[0012] By adopting the above technical solution, the stable inner tube is specifically made of PU material, which has excellent corrosion resistance, aging resistance, and low temperature resistance, thereby improving the performance of the steel tube.

[0013] Specifically, the inner surface of the pipeline body is coated with an anti-sticking layer, and the anti-sticking layer is specifically a Teflon anti-sticking coating.

[0014] By adopting the above technical solution, the anti-sticking layer is specifically a Teflon anti-sticking coating, so that the inner surface of the pipeline body is not easy to stick, easy to clean, and the coating is not easy to peel off and is durable.

[0015] Beneficial effects of the utility model:

[0016] (1) The anti-corrosion galvanized steel pipe described in the utility model adopts a double-layer steel pipe structure to increase the thickness of the pipe, and fills a fine stone concrete layer between them to improve the overall rigidity and strength. The positioning hoop and longitudinal reinforcement ribs are used to improve the longitudinal bending strength of the pipe body and improve the performance of the pipe body.

[0017] (2) The anti-corrosion galvanized steel pipe described in the utility model utilizes a heat insulation layer made of a glass fiber material, which has high thermal stability and high temperature resistance, thereby improving the heat insulation effect of the pipeline body and avoiding affecting the performance of the galvanized steel pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the main material structure of the pipeline of the utility model;

[0021] Figure 3 It is a schematic diagram of the structure of the galvanized layer and the anti-sticking layer of the utility model.

[0022] In the figure: 1. Pipe body; 2. Reinforcement sleeve; 3. Connection plate; 4. Hanging plate; 5. Connection hole; 6. Outer steel pipe layer; 7. Fine stone concrete layer; 8. Inner steel pipe layer; 9. Positioning hoop; 10. Longitudinal reinforcement ribs; 11. Thermal insulation layer; 12. Elastic transition layer; 13. Stabilizing inner pipe; 14. Galvanized layer; 15. Anti-sticking layer. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] In order to prevent corrosion, galvanized steel pipes have high strength, are not easy to deform, have the effect of heat preservation and heat insulation, and improve the performance of steel pipes. Figure 1-3 As shown, the utility model discloses an anti-corrosion galvanized steel pipe, comprising a pipe body 1, a reinforcement sleeve 2, a connection plate 3 and a hanging plate 4, the outer surface of the pipe body 1 is provided with a galvanized layer 14, the pipe body 1 is composed of an outer steel pipe layer 6, a fine stone concrete layer 7, an inner steel pipe layer 8, a heat insulation layer 11, an elastic transition layer 12 and a stable inner pipe 13, the inner surface of the outer steel pipe layer 6 is provided with an inner steel pipe layer 8 and a fine stone concrete layer 7 is filled between the inner steel pipe layer 8 and the outer steel pipe layer 6;

[0025] Longitudinal reinforcement ribs 10 are arranged at equal distances in the fine stone concrete layer 7 along the direction of the pipeline body 1, and positioning hoops 9 are sleeved at equal distances on the outside of the longitudinal reinforcement ribs 10. The inner surface of the inner steel pipe layer 8 is sleeved with an elastic transition layer 12, and a heat insulation layer 11 is arranged between the elastic transition layer 12 and the inner steel pipe layer 8. The heat insulation layer 11 is specifically made of glass fiber material.

[0026] When in use, a double-layer steel pipe structure is used to increase the thickness of the pipe, and a fine stone concrete layer 7 is filled in between to improve the overall rigidity and strength. The positioning hoop 9 and the longitudinal reinforcement ribs 10 are used to increase the longitudinal bending strength of the pipe body 1 and improve the performance of the pipe body 1. The thermal insulation layer 11 is made of glass fiber material with high thermal stability and high temperature resistance, which improves the thermal insulation effect of the pipe body 1 and avoids affecting the performance of the galvanized steel pipe.

[0027] For example, Figure 1 As shown, the utility model also includes that a reinforcement sleeve 2 is equidistantly sleeved on the outer side of the pipe body 1 and the top of the reinforcement sleeve 2 is connected to a connecting plate 3 through a hanging plate 4.

[0028] For example, Figure 1 As shown, the utility model also includes that the connecting plate 3 is provided with a connecting hole 5 .

[0029] When in use, the pipe body 1 is conveniently suspended on the connecting frame by using the connecting holes 5 on the connecting plate 3 and the matching bolts.

[0030] For example, Figure 2 As shown, the utility model also includes that the elastic transition layer 12 is specifically made of polyurethane elastomer material.

[0031] When in use, it has high elasticity and good toughness, which improves the buffering performance when the fluid impacts the pipeline.

[0032] For example, Figure 2 As shown, the utility model also includes that the inner surface layer of the elastic transition layer 12 is provided with a stabilizing inner tube 13 and the stabilizing inner tube 13 is specifically made of PU material.

[0033] When in use, the stabilizing inner tube 13 is specifically made of PU material, which is corrosion-resistant, anti-aging, and has excellent low-temperature resistance, thereby improving the performance of the steel tube.

[0034] For example, Figure 3 As shown, the utility model also includes that the inner surface of the pipeline body 1 is coated with an anti-sticking layer 15, and the anti-sticking layer 15 is specifically a Teflon anti-sticking coating.

[0035] When in use, the anti-sticking layer 15 is specifically a Teflon anti-sticking coating, which makes the inner surface of the pipeline body 1 not easy to stick, easy to clean, and the coating is not easy to peel off and durable.

[0036] When the utility model is in use, a double-layer steel pipe structure is used to increase the thickness of the pipe, and a fine stone concrete layer 7 is filled between them to improve the overall rigidity and strength;

[0037] The positioning hoop 9 and the longitudinal reinforcing rib 10 are used to improve the longitudinal bending strength of the pipeline body 1 and the use performance of the pipeline body 1. The heat insulation layer 11 is made of glass fiber material with high thermal stability and high temperature resistance, which improves the heat insulation effect of the pipeline body 1 and avoids affecting the use performance of the galvanized steel pipe.

[0038] The elastic transition layer 12 is made of polyurethane elastomer material with high elasticity and good toughness, which can improve the buffering performance when the fluid impacts the pipeline. The galvanized layer 14 makes the outer surface of the pipeline resistant to acid and alkali corrosion and not easy to rust. The coating has high strength, is not easy to peel off, and is durable.

[0039] Anti-corrosion galvanized steel pipes have high strength, are not easy to deform, have the effect of thermal insulation, and improve the performance of steel pipes.

[0040] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the protection required by the utility model. The scope of protection required by the utility model is defined by the attached claims and their equivalents.

Claims

1. An anti-corrosion galvanized steel pipe, characterized in that: The invention comprises a pipeline body (1), a reinforcement sleeve (2), a connection plate (3) and a hanging plate (4); the outer surface of the pipeline body (1) is provided with a galvanized layer (14); the pipeline body (1) is composed of an outer steel pipe layer (6), a fine stone concrete layer (7), an inner steel pipe layer (8), a heat insulation layer (11), an elastic transition layer (12) and a stabilizing inner pipe (13); the inner surface of the outer steel pipe layer (6) is provided with an inner steel pipe layer (8), and a fine stone concrete layer (7) is filled between the inner steel pipe layer (8) and the outer steel pipe layer (6); Longitudinal reinforcing ribs (10) are arranged at equal distances in the fine stone concrete layer (7) along the direction of the pipeline body (1), and positioning hoops (9) are sleeved at equal distances on the outer sides of the longitudinal reinforcing ribs (10). The inner surface of the inner steel pipe layer (8) is sleeved with an elastic transition layer (12), and a heat insulation layer (11) is arranged between the elastic transition layer (12) and the inner steel pipe layer (8), and the heat insulation layer (11) is specifically made of glass fiber material.

2. The anti-corrosion galvanized steel pipe according to claim 1, characterized in that: The outer side of the pipeline body (1) is provided with reinforcement sleeves (2) at equal distances, and the top end of the reinforcement sleeve (2) is connected to a connecting plate (3) via a hanging plate (4).

3. The anti-corrosion galvanized steel pipe according to claim 1, characterized in that: The connecting plate (3) is provided with a connecting hole (5).

4. The anti-corrosion galvanized steel pipe according to claim 1, characterized in that: The elastic transition layer (12) is specifically made of polyurethane elastomer material.

5. The anti-corrosion galvanized steel pipe according to claim 1, characterized in that: The inner surface layer of the elastic transition layer (12) is provided with a stabilizing inner tube (13), and the stabilizing inner tube (13) is specifically made of PU material.

6. The anti-corrosion galvanized steel pipe according to claim 1, characterized in that: The inner surface of the pipeline body (1) is coated with an anti-sticking layer (15), and the anti-sticking layer (15) is specifically a Teflon anti-sticking coating.