Anti-corrosion steel pipe with heat preservation structure
By setting an anti-corrosion layer and an insulation layer on the outside of the steel pipe and using detachable components for connection, the problems of easy corrosion of the steel pipe and inconvenience of disassembling the insulation layer are solved, achieving anti-corrosion and insulation effects and low maintenance costs.
Patent Information
- Application Number
- CN202520636238.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-07
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-04-07
AI Technical Summary
Existing steel pipes are prone to corrosion during long-distance transportation, and the insulation layer is not easy to disassemble and replace locally, resulting in high maintenance costs.
An anti-corrosion layer and an insulation layer are installed on the outside of the steel pipe, and detachable components are used for connection, including zinc-aluminum alloy coating, fluorocarbon resin coating, aerogel felt insulation layer and polyurethane foam insulation layer. The insulation layer is detachable through threaded connection.
It achieves corrosion protection and heat insulation for steel pipes, extends their service life, and facilitates the disassembly and replacement of locally damaged insulation layers, reducing maintenance costs.
Smart Images
Figure CN223806838U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of anticorrosive steel pipe especially relates to an anticorrosive steel pipe with heat preservation structure. BACKGROUND
[0002] Long-distance transportation of resources by metal pipes is a common means in the industry at present, such as oil exploitation, natural gas transportation, heat supply and water supply, etc. In long-distance transportation of pipes, the protection of metal pipes is particularly important.
[0003] The existing steel pipe does not have the effect of corrosion and heat preservation, so it is easy to be corroded during long-term use, causing damage to the steel pipe. Moreover, when the heat preservation layer is added to the steel pipe for heat preservation, it is not convenient to disassemble and replace the damaged heat preservation structure, resulting in high maintenance cost, so that the device has certain defects. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the shortcomings in the prior art and provides an anticorrosive steel pipe with heat preservation structure.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an anticorrosive steel pipe with heat preservation structure, comprising a steel pipe body, an anticorrosive layer is connected outside the steel pipe body, a heat preservation layer is connected outside the anticorrosive layer, and a detachable assembly is connected inside the heat preservation layer.
[0006] The anticorrosive layer comprises a first anticorrosive layer, which is sprayed on the outside of the steel pipe body, a second anticorrosive layer is sprayed on the outside of the first anticorrosive layer, and the outside of the second anticorrosive layer is connected with the heat preservation layer.
[0007] Further description of the above technical scheme:
[0008] The heat preservation layer comprises a first heat preservation layer, which is connected outside the second anticorrosive layer, and a second heat preservation layer is connected outside the first heat preservation layer.
[0009] Further description of the above technical scheme:
[0010] The detachable assembly comprises a connecting plate, the heat preservation layer is provided with multiple groups, the side edge of the heat preservation layer is fixedly connected with the connecting plate, a threaded groove is formed in the connecting plate, and a fixing bolt is threadedly connected in the threaded groove.
[0011] Further description of the above technical scheme:
[0012] The first anticorrosive layer is a zinc-aluminum alloy coating.
[0013] Further description of the above technical scheme:
[0014] The second anticorrosion layer is a fluorocarbon resin coating.
[0015] As a further description of the above technical solution:
[0016] The first thermal insulation layer is an aerogel felt thermal insulation layer.
[0017] As a further description of the above technical solution:
[0018] The second thermal insulation layer is a polyurethane foam thermal insulation layer.
[0019] The utility model has the advantages of:
[0020] In the anticorrosive steel pipe with thermal insulation structure, the anticorrosive assembly and the thermal insulation assembly are used to conveniently anticorrosive and thermal insulation protect the steel pipe body, so that the service life is prolonged.
[0021] In the anticorrosive steel pipe with thermal insulation structure, the detachable assembly is used to conveniently detach and replace the locally damaged thermal insulation layer structure, so that the maintenance cost is reduced, and the whole replacement is not needed. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 The utility model provides a kind of overall structure schematic diagram of anticorrosive steel pipe with thermal insulation structure for the utility model;
[0023] Figure 2 The right view of anticorrosive steel pipe with thermal insulation structure for the utility model;
[0024] Figure 3 The utility model provides a kind of anticorrosive steel pipe with thermal insulation structure for the utility model Figure 2 The enlarged view of A in the middle;
[0025] Figure 4 The enlarged view of B in the middle of anticorrosive steel pipe with thermal insulation structure for the utility model. Figure 1
[0026] LEGEND:
[0027] 1, steel pipe body;2, first anticorrosion layer;3, second anticorrosion layer;5, first thermal insulation layer;6, second thermal insulation layer;7, connecting plate;8, threaded groove;9, fixed bolt. DETAILED DESCRIPTION
[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0029] Reference Figures 1-4 An embodiment of this utility model is provided: a corrosion-resistant steel pipe with a heat insulation structure, including a steel pipe body 1, an anti-corrosion layer connected to the outside of the steel pipe body 1, a heat insulation layer connected to the outside of the anti-corrosion layer, and a detachable component connected to the inside of the heat insulation layer.
[0030] The anti-corrosion layer includes a first anti-corrosion layer 2, which is sprayed on the outside of the steel pipe body 1. A second anti-corrosion layer 3 is sprayed on the outside of the first anti-corrosion layer 2. The outside of the second anti-corrosion layer 3 is connected to the insulation layer to facilitate the protection of the steel pipe body 1.
[0031] The insulation layer includes a first insulation layer 5, which is connected to the outside of the second anti-corrosion layer 3, and a second insulation layer 6 is connected to the outside of the first insulation layer 5. The detachable component includes a connecting plate 7, and multiple sets of insulation layers are provided. The side of the insulation layer is fixedly connected to the connecting plate 7. The connecting plate 7 has a threaded groove 8, and a fixing bolt 9 is threaded into the threaded groove 8. The first anti-corrosion layer 2 is a zinc-aluminum alloy coating; the second anti-corrosion layer 3 is a fluorocarbon resin coating; the first insulation layer 5 is an aerogel felt insulation layer; and the second insulation layer 6 is a polyurethane foam insulation layer, which provides better insulation performance.
[0032] Working principle: In the anti-corrosion steel pipe with thermal insulation structure, the first anti-corrosion layer 2 and the second anti-corrosion layer 3 are sprayed on the outside of the steel pipe body 1, and the first thermal insulation layer 5 and the second thermal insulation layer 6 are added on the outermost side, which facilitates the anti-corrosion and thermal insulation protection of the steel pipe body 1 and extends its service life; the fixing bolt 9 is unscrewed from the threaded groove 8 to disconnect the two sets of thermal insulation layers, which facilitates the disassembly and replacement of the partially damaged thermal insulation layer structure, reduces maintenance costs, and does not require the entire layer to be replaced.
[0033] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A corrosion-proof steel pipe having a heat retaining structure, comprising a steel pipe body (1), characterized in that: The outer side of the steel pipe body (1) is connected with a corrosion-proof layer, the outer side of the corrosion-proof layer is connected with a heat preservation layer, and the inner side of the heat preservation layer is connected with a detachable assembly; The corrosion-proof layer comprises a first corrosion-proof layer (2), the first corrosion-proof layer (2) is sprayed on the outer side of the steel pipe body (1), the outer side of the first corrosion-proof layer (2) is sprayed with a second corrosion-proof layer (3), and the outer side of the second corrosion-proof layer (3) is connected with the heat preservation layer.
2. The corrosion-proof steel pipe with a heat preservation structure according to claim 1, characterized in that: The heat preservation layer comprises a first heat preservation layer (5), the first heat preservation layer (5) is connected on the outer side of the second corrosion-proof layer (3), and the outer side of the first heat preservation layer (5) is connected with a second heat preservation layer (6).
3. The corrosion-proof steel pipe with a heat preservation structure according to claim 1, characterized in that: The detachable assembly comprises a connecting plate (7), the heat preservation layer is provided in multiple groups, the side edges of the heat preservation layer are fixedly connected with the connecting plate (7), the connecting plate (7) is provided with a threaded groove (8) in the inner side, and the threaded groove (8) is threadedly connected with a fixing bolt (9).
4. The corrosion-proof steel pipe with a heat preservation structure according to claim 1, characterized in that: The first corrosion-proof layer (2) is a zinc-aluminum alloy coating.
5. The corrosion-proof steel pipe with a heat preservation structure according to claim 1, characterized in that: The second corrosion-proof layer (3) is a fluorocarbon resin coating.
6. The corrosion-proof steel pipe with a heat preservation structure according to claim 2, characterized in that: The first heat preservation layer (5) is an aerogel felt heat preservation layer.
7. The corrosion-proof steel pipe with a heat preservation structure according to claim 2, characterized in that: The second heat preservation layer (6) is a polyurethane foam heat preservation layer.