CN215293921U - Anti-corrosion large-diameter straight seam steel pipe - Google Patents
Anti-corrosion large-diameter straight seam steel pipe Download PDFInfo
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- CN215293921U CN215293921U CN202120522291.6U CN202120522291U CN215293921U CN 215293921 U CN215293921 U CN 215293921U CN 202120522291 U CN202120522291 U CN 202120522291U CN 215293921 U CN215293921 U CN 215293921U
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Abstract
The utility model relates to the technical field of pipeline, concretely relates to anticorrosion heavy-calibre straight seam steel pipe, including the straight seam steel pipe, straight seam steel pipe inboard is equipped with the anticorrosive coating, the straight seam steel pipe outside is equipped with the paint layer, the anticorrosive coating includes FBE layer, gluing agent layer, PE layer, the FBE level is in the anticorrosive coating bottom, gluing agent level is in the anticorrosive coating middle level, the PE level is in the anticorrosive coating upper strata. The utility model discloses when can prevent when the straight seam steel pipe from using intraductal transportation liquid to the corruption of pipe shaft, also prevented that the straight seam steel pipe from carrying out some damages of going on in the transportation to the pipe shaft outside, and in the use some corrosions of external environment to the pipe shaft outside, effectively protected the straight seam steel pipe, also reduced some time and the expense of maintaining, also saved the manpower, accomplished labour saving and time saving.
Description
Technical Field
The utility model relates to the technical field of pipelines, concretely relates to anticorrosion heavy-calibre straight seam steel pipe.
Background
The straight seam steel pipe is a steel pipe with a welding seam parallel to the longitudinal direction of the steel pipe. Generally divided into metric electric welding steel pipes, electric welding thin-wall pipes, transformer cooling oil pipes and the like. The straight welded pipe has simple production process, high production efficiency, low cost and fast development. The strength of the spiral welded pipe is generally higher than that of a straight welded pipe, and the welded pipe with larger pipe diameter can be produced by using a narrower blank and can also be produced by using a blank with the same width. But compared with the straight seam pipe with the same length, the length of the welding seam is increased by 30-100%, and the production speed is lower. The longitudinal seam steel pipe can be divided into a high-frequency longitudinal seam steel pipe and a submerged arc welding longitudinal seam steel pipe according to the production process, the welded pipe is provided with two types of common steel pipes and thickened steel pipes according to the specified wall thickness, and the steel pipe is provided with threads and is not provided with threads according to the pipe end form.
The existing straight seam steel pipe is easy to be influenced and corroded by external factors except the inner side of the pipe body in the use process, and the outer side of the pipe body is easy to be damaged in the transportation process, so that the corrosion speed of the steel pipe is accelerated, the service life of the steel pipe is influenced, and the maintenance cost is increased.
The patent with the publication number of CN208221789U discloses a multilayer anticorrosion steel pipe, including first body, the inboard of first body is provided with the annular sponge layer of circle, the inboard on sponge layer is provided with the second body, one side that the one end of second body extended to sponge layer and first body is provided with the annular first connecting plate of circle, the other end of second body is circular array and is provided with evenly distributed's constant head tank, one side that first connecting plate is close to first body is provided with the annular mounting panel of circle, the one end of first body is provided with the mounting groove with the mounting panel looks adaptation. The utility model discloses when using, have the sponge layer through at first body and second body movable mounting, carry out the multi-storied design to the steel pipe, can strengthen the inside sun-proof nature of steel pipe in the long-time use of steel pipe, avoid the inboard object of steel pipe to receive high temperature and steel pipe inner wall to react for a long time and cause the internal corrosion, strengthen the live time of steel pipe.
However, the above patents still have the following problems:
1. in the use process of the straight seam steel pipe in the prior art, except the inner side of the pipe body, the outer side of the pipe body is easily affected by external factors to corrode.
2. In the transportation process of the straight-seam steel pipe in the prior art, the outer side of the pipe body is easy to be damaged, so that the corrosion speed of the steel pipe is accelerated, the service life of the steel pipe is influenced, and the maintenance cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the above-mentioned weak point that prior art exists, the utility model provides an anticorrosion heavy-calibre transversal joint steel pipe for solve prior art's transversal joint steel pipe in the use, except that the pipe shaft is inboard, the easy external factor influence of pipe shaft outside corrodes, and in the transportation, the pipe shaft outside easily receives the damage, thereby has accelerateed the corrosion rate of steel pipe, makes the life of steel pipe receive the influence, has also increaseed the problem of maintenance cost.
In order to solve the technical problem, the utility model discloses an adopted following technical scheme:
the utility model relates to the technical field of pipeline, concretely relates to anticorrosion heavy-calibre straight seam steel pipe, including the straight seam steel pipe, straight seam steel pipe inboard is equipped with the anticorrosive coating, the straight seam steel pipe outside is equipped with the paint layer, the anticorrosive coating includes FBE layer, gluing agent layer, PE layer, the FBE level is in the anticorrosive coating bottom, gluing agent level is in the anticorrosive coating middle level, the PE level is in the anticorrosive coating upper strata.
Furthermore, both ends all are equipped with the end cover around the transversal joint steel pipe, the body outside of the straight seam steel pipe is located to the end cover, the end cover is connected with the transversal joint steel pipe.
Further, the joint of the front end and the back end of the straight seam steel pipe are respectively provided with a convex interface and a concave interface, the convex interface and the concave interface are respectively arranged on the pipe body of the front end and the back end of the straight seam steel pipe, and the convex interface and the concave interface are connected in a concave-convex combination mode.
Further, the FBE layer is connected with the PE layer through an adhesive layer.
Further, the anticorrosive coating is connected with the inner side of the straight seam steel pipe through the FBE layer at the bottom layer.
Furthermore, the horizontal angle between the end cover and the straight seam steel pipe is 90 degrees, and the end cover is fixedly connected with the outer side of the straight seam steel pipe.
Compared with the prior art, the utility model, following beneficial effect has:
the utility model discloses can prevent when the straight seam steel pipe from using, in the time of the corruption of intraductal transportation liquid to the pipe shaft, also prevent that the straight seam steel pipe from carrying out some damages of going on in the transportation to the pipe shaft outside, and in the use some corrosions of external environment to the pipe shaft outside, effectively protected the straight seam steel pipe, also reduced some time and the expense of maintaining, also saved the manpower, accomplished labour saving and time saving.
Drawings
FIG. 1 is a schematic plan view of an embodiment of an anti-corrosion large-caliber straight-slit steel pipe according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
FIG. 4 is a schematic view of a detailed portion of an anticorrosive coating in an embodiment of an anticorrosive large-caliber straight-slit steel pipe of the present invention;
reference numerals referred to in the drawings are:
the anti-corrosion coating comprises a straight-seam steel pipe 1, an anti-corrosion layer 2, an FBE layer 21, an adhesive layer 22, a PE layer 23, an end cover 3, a convex interface 4, a concave interface 5 and a paint layer 6.
Detailed Description
In order to make the present invention better understood by those skilled in the art, the following detailed description of the technical solution of the present invention is provided with reference to the accompanying drawings and embodiments:
it should be noted that all the directional indications such as up, down, left, right, front and rear … … in the embodiment of the present invention are only used to explain the relative positional relationship, movement, etc. between the components in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indication is changed accordingly.
Example one
As shown in fig. 1 to 4, an anticorrosion large-caliber straight seam steel pipe comprises a straight seam steel pipe 1, an anticorrosion layer 2 is arranged on the inner side of the straight seam steel pipe 1, a paint layer 6 is arranged on the outer side of the straight seam steel pipe 1, the anticorrosion layer 2 comprises an FBE layer 21, an adhesive layer 22 and a PE layer 23, the FBE layer 21 is located on the bottom layer of the anticorrosion layer 2, the adhesive layer 22 is located on the middle layer of the anticorrosion layer 2, and the PE layer 23 is located on the upper layer of the anticorrosion layer.
Both ends all are equipped with end cover 3 around the straight seam steel pipe 1, and the pipe shaft outside of straight seam steel pipe 1 is located to end cover 3, and end cover 3 is connected with straight seam steel pipe 1.
The joint of the front end and the rear end of the straight seam steel pipe 1 are respectively provided with a convex interface 4 and a concave interface 5, the convex interface 4 and the concave interface 5 are respectively arranged on the pipe body of the front end and the rear end of the straight seam steel pipe 1, and the convex interface 4 and the concave interface 5 are connected in a concave-convex combination mode.
The FBE layer 21 and the PE layer 23 are connected by an adhesive layer 22.
Example two
The embodiment is as the improvement of last embodiment, like the big-caliber straight seam steel pipe of anticorrosion shown in fig. 1-4, including straight seam steel pipe 1, 1 inboard of straight seam steel pipe is equipped with anticorrosive coating 2, and the straight seam steel pipe 1 outside is equipped with paint layer 6, and anticorrosive coating 2 includes FBE layer 21, gluing agent layer 22, PE layer 23, and FBE layer 21 is located anticorrosive coating 2 bottom, and gluing agent layer 22 is located anticorrosive coating 2 middle level, and PE layer 23 is located the anticorrosive coating upper strata.
Both ends all are equipped with end cover 3 around the straight seam steel pipe 1, and the pipe shaft outside of straight seam steel pipe 1 is located to end cover 3, and end cover 3 is connected with straight seam steel pipe 1.
The joint of the front end and the rear end of the straight seam steel pipe 1 are respectively provided with a convex interface 4 and a concave interface 5, the convex interface 4 and the concave interface 5 are respectively arranged on the pipe body of the front end and the rear end of the straight seam steel pipe 1, and the convex interface 4 and the concave interface 5 are connected in a concave-convex combination mode.
The FBE layer 21 and the PE layer 23 are connected by an adhesive layer 22.
The anticorrosive coating 2 is connected to the inside of the straight-seam steel pipe 1 via the FBE layer 21 as the bottom layer.
The horizontal angle between the end cover 3 and the straight seam steel pipe 1 is 90 degrees, and the end cover 3 is fixedly connected with the outer side of the straight seam steel pipe 1.
The advantages of the second embodiment over the first embodiment are:
compared with the first embodiment, the utility model in the second embodiment, equipment structure is more perfect, when equipment was used, when preventing intraductal transportation liquid to the corruption of pipe shaft, also prevented that the transversal joint steel pipe from carrying out some damages of going on in the transportation to the pipe shaft outside, and in the use some corrosions of external environment to the pipe shaft outside, effectively protected the transversal joint steel pipe, also reduced some time and the expense of maintaining, also saved the manpower, accomplished labour saving and time saving.
The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (6)
1. The utility model provides an anticorrosive heavy-calibre straight seam steel pipe which characterized in that: including straight seam steel pipe (1), straight seam steel pipe (1) inboard is equipped with anticorrosive coating (2), the straight seam steel pipe (1) outside is equipped with paint layer (6), anticorrosive coating (2) include FBE layer (21), gluing agent layer (22), PE layer (23), FBE layer (21) are located anticorrosive coating (2) bottom, gluing agent layer (22) are located anticorrosive coating (2) middle level, PE layer (23) are located the anticorrosive coating upper strata.
2. The anti-corrosion large-caliber straight-slit steel pipe according to claim 1, characterized in that: both ends all are equipped with end cover (3) around transversal joint steel pipe (1), the pipe shaft outside of transversal joint steel pipe (1) is located in end cover (3), end cover (3) are connected with transversal joint steel pipe (1).
3. The anti-corrosion large-caliber straight-slit steel pipe according to claim 2, characterized in that: the joint of the front end and the rear end of the straight seam steel pipe (1) are respectively provided with a convex interface (4) and a concave interface (5), the convex interface (4) and the concave interface (5) are respectively arranged on the pipe body of the front end and the rear end of the straight seam steel pipe (1), and the convex interface (4) and the concave interface (5) are connected in a concave-convex combination mode.
4. The anti-corrosion large-caliber straight-slit steel pipe according to claim 3, characterized in that: the FBE layer (21) and the PE layer (23) are connected through an adhesive layer (22).
5. The anti-corrosion large-caliber straight-slit steel pipe according to claim 4, wherein: the anticorrosive coating (2) is connected with the inner side of the straight seam steel pipe (1) through the FBE layer (21) at the bottom layer.
6. The anti-corrosion large-caliber straight-slit steel pipe according to claim 5, characterized in that: the horizontal angle between the end cover (3) and the straight seam steel pipe (1) is 90 degrees, and the end cover (3) is fixedly connected with the outer side of the straight seam steel pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120522291.6U CN215293921U (en) | 2021-03-12 | 2021-03-12 | Anti-corrosion large-diameter straight seam steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120522291.6U CN215293921U (en) | 2021-03-12 | 2021-03-12 | Anti-corrosion large-diameter straight seam steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215293921U true CN215293921U (en) | 2021-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120522291.6U Active CN215293921U (en) | 2021-03-12 | 2021-03-12 | Anti-corrosion large-diameter straight seam steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215293921U (en) |
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2021
- 2021-03-12 CN CN202120522291.6U patent/CN215293921U/en active Active
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