CN205938225U - Anti -corrosion pipeline - Google Patents

Abstract

The utility model discloses an anti-corrosion pipeline, which comprises a pipeline body. The inner wall of the pipeline body is provided with an anti-corrosion coating. The liner is located on the outer end surface of the pipe body, both of which are slope b, and the slope b and slope a are provided with stainless steel surfacing layers. The two stainless steel liners are located at the inner end of the pipe body and are provided with threads or patterns. An anti-corrosion coating is provided on the inner wall of a stainless steel liner, and on the threads or patterns. The included angle between the inclined plane a and the axis of the pipe body is 40-60°, which is to facilitate the mutual welding of the utility model and the anti-corrosion steel pipe.

Description

anti-corrosion pipeline

technical field

The utility model belongs to the technical field of pipeline connection and relates to an anti-corrosion pipeline.

Background technique

With the rapid development of my country's economy, the amount of anti-corrosion pipelines is increasing. Applying an anti-corrosion coating to the pipeline can achieve the purpose of pipeline anti-corrosion, but the biggest problem in pipeline anti-corrosion technology is the connection of the pipeline. The existing connection will destroy the anti-corrosion coating, and the anti-corrosion performance of the connected pipeline is not ideal. Poor sealing performance and high cost.

Utility model content

The purpose of the utility model is to provide an anti-corrosion pipeline, which is convenient for the mutual connection of the anti-corrosion pipelines.

The technical scheme adopted by the utility model is: an anti-corrosion pipeline, including a pipeline body, the inner wall of the pipeline body is provided with an anti-corrosion coating, both ends of the pipeline body are slope a, and stainless steel linings are inlaid on the inner walls of both ends of the pipeline body The two stainless steel liners are located on the outer end surface of the pipe body, both of which are inclined plane b, the inclined plane b and the inclined plane a are in the same plane, and the inclined plane b and the inclined plane a are both provided with a stainless steel surfacing layer.

The utility model is also characterized in that:

The inner end of the stainless steel liner located on the pipe body is provided with threads or patterns, and the threads or patterns are located on the inner wall of each stainless steel liner, and anti-corrosion coatings are provided on the threads or patterns.

The length of the outer wall of the pipe body is greater than the length of the inner wall of the pipe body.

The included angles between the inclined plane a and the axis of the pipe body are both 40° to 60°.

The material of the pipe body is carbon steel.

The length of thread or pattern is 20-30mm.

The thickness of the stainless steel surfacing layer is 2-5mm.

The beneficial effect of the utility model is: an anti-corrosion pipeline, the angle between the inclined plane a and the axis of the pipeline body is 40-60°, which is to facilitate the mutual welding of the utility model and the anti-corrosion steel pipe, and the setting of the thread or pattern can make the anti-corrosion The coating has a larger surface area, increases adhesion and strength, and prevents corrosive media from penetrating into the joint between the stainless steel liner and the carbon steel pipe. The design of the stainless steel surfacing layer is to prevent the carbon steel components from being incorporated into the weld, ensuring the anti-corrosion performance of the stainless steel weld. The anticorrosion coating can not be damaged when the utility model is adopted to connect the anticorrosion pipelines to each other.

Description of drawings

Fig. 1 is the structural representation of a kind of anticorrosion pipeline of the present utility model;

Fig. 2 is a view of the use state of an anti-corrosion pipeline of the present invention.

In the figure: 102. slope b, 103. stainless steel liner, 104. slope a, 110. inner wall, 120. outer wall, 130. stainless steel surfacing layer, 300. anti-corrosion coating.

detailed description

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

The utility model provides an anti-corrosion pipeline, as shown in Figure 1, comprising a pipeline body, the inner wall 110 of the pipeline body is provided with an anti-corrosion coating 300, both ends of the pipeline body are slope a104, the length of the outer wall 120 of the pipeline body is greater than The length of the inner wall 110 of the pipeline body. The inner walls 110 at both ends of the pipeline body are inlaid with stainless steel liners 103. The surfaces of the two stainless steel liner tubes 103 located at the outer ends of the pipeline body are inclined plane b102. The inclined plane b102 is coplanar with the inclined plane a104, and the inclined plane b102 A stainless steel surfacing layer 130 is provided on the slope a104, and the inner ends of the two stainless steel liner pipes 103 are provided with threads or patterns. Provided with an anti-corrosion coating 300;

The included angle between the inclined plane a104 and the axis of the pipe body is 40-60°;

The material of the pipe body is carbon steel;

The length of thread or pattern is 20-30mm;

The thickness of the stainless steel surfacing layer 130 is 2-5mm.

The usage method of the present utility model is: as shown in Figure 2, the stainless steel surfacing layer 130 of one pipeline is butt-welded with the stainless steel surfacing layer 130 of another pipeline, thereby realizing the connection of the anti-corrosion pipeline; The angles are 40-60°, which is to facilitate the mutual welding of the utility model and the anti-corrosion steel pipe. The setting of the thread or pattern can make the anti-corrosion coating 300 have a larger surface area, increase the adhesion and strength, and prevent the infiltration of corrosive media. at the weld.

The basic principles, main features and advantages of the present utility model have been shown and described above. The utility model is not limited by the above-mentioned embodiments, and what described in the above-mentioned embodiments and the description is only to illustrate the principle of the utility model, and the utility model also has various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements all fall within the scope of the claimed utility model.

An anti-corrosion pipeline of the utility model, the included angle between the inclined plane a104 and the axis of the pipeline body is 40-60°, which is to facilitate the mutual welding of the utility model and the anti-corrosion steel pipe, and the setting of the thread or pattern can make the anti-corrosion coating 300 have Larger surface area, increased adhesion and strength, prevents corrosive media from penetrating into the joint between stainless steel liner and carbon steel pipe. The design of the stainless steel surfacing layer is to prevent the carbon steel components from being incorporated into the weld, ensuring the anti-corrosion performance of the stainless steel weld. Adopting the connection method of the utility model to connect the anti-corrosion pipelines will not damage the anti-corrosion coating.

Claims (7)

1. a kind of anticorrosion pipeline, it is characterized in that: comprise pipeline body, the inwall (110) of pipeline body is provided with anticorrosion coating (300), the two end faces of pipeline body are slope a (104), the inwall of pipeline body two ends ( 110) are inlaid with stainless steel lining pipes (103), and the two stainless steel lining pipes (103) are located on the outer end surface of the pipeline body, both of which are slope b (102), and the slope b (102) is coplanar with the slope a (104), and the slope b (102) and the slope a (104) are both provided with a stainless steel surfacing layer (130). 2. The anti-corrosion pipeline according to claim 1, characterized in that: the length of the outer wall (120) of the pipeline body is greater than the length of the inner wall (110) of the pipeline body. 3. A kind of anti-corrosion pipeline according to claim 1, characterized in that: said stainless steel liner (103) is located at the inner end of the pipeline body and is provided with threads or patterns, and the threads or patterns are located at each stainless steel liner (103). 103) An anti-corrosion coating (300) is provided on the inner wall, threads or patterns. 4. The anti-corrosion pipeline according to claim 1, characterized in that: the included angles between the inclined plane a (104) and the axis of the pipeline body are both 40-60°. 5. An anti-corrosion pipeline according to claim 1, characterized in that: the material of the pipeline body is carbon steel. 6. An anti-corrosion pipeline according to claim 3, characterized in that: the length of the thread or pattern is 20-30 mm. 7. The anti-corrosion pipeline according to any one of claims 1-6, characterized in that: the thickness of the stainless steel surfacing layer (130) is 2-5 mm.