CN216447575U - Anti-corrosion steel pipe - Google Patents

Anti-corrosion steel pipe Download PDF

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Publication number
CN216447575U
CN216447575U CN202123220804.7U CN202123220804U CN216447575U CN 216447575 U CN216447575 U CN 216447575U CN 202123220804 U CN202123220804 U CN 202123220804U CN 216447575 U CN216447575 U CN 216447575U
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China
Prior art keywords
pipe
wall
pipe body
steel pipe
corrosion
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CN202123220804.7U
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Chinese (zh)
Inventor
杜儒林
房辛蒙
于富鑫
刘克蒙
王贺民
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China Construction Sixth Engineering Division Water Conservancy and Hydropower Construction Group Co Ltd
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China Construction Sixth Engineering Division Water Conservancy and Hydropower Construction Group Co Ltd
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Abstract

The utility model relates to an anticorrosive steel pipe which comprises a pipe body, wherein one end of the pipe body is provided with an annular convex block, the other end of the pipe body is provided with an annular insert ring corresponding to the convex block, the insert rings on opposite surfaces of two adjacent pipe bodies are sleeved on the convex block and are in threaded connection with the convex block, the outer wall of the joint of the two adjacent pipe bodies is provided with a sealing anticorrosive mechanism, the inner wall and the outer wall of each pipe body are respectively provided with a pressure-resistant layer, the inner side of each pressure-resistant layer in each pipe body is provided with an inner anticorrosive coating, the outer side of each pressure-resistant layer outside each pipe body is sequentially provided with an outer anticorrosive coating I, an outer anticorrosive coating II and an outer anticorrosive coating III from inside to outside, and the outer wall of the joint of the two adjacent pipe bodies is provided with a pair of semicircular pipe clamps. The steel pipe has good corrosion prevention, buffering and compression resistance effects, and avoids the phenomenon that the pipe body is abraded due to external pressure in the using process, and the corrosion is accelerated to further influence the use.

Description

Anti-corrosion steel pipe
Technical Field
The utility model relates to the field of hydraulic engineering, in particular to an anticorrosive steel pipe.
Background
In the south-to-north water transfer project, a multi-section pipeline project is provided, wherein the requirement on the corrosion resistance of the steel pipe in the steel pipe pipeline project is high. If the corrosion resistance of the steel pipe is low, after the steel pipe becomes corroded with rust, not only can certain difficulty be caused to construction, but also huge influence can be caused to subsequent river-leading water supply projects, and unpredictable loss can be caused even to multiple aspects such as water quality and flow velocity. However, in order to increase the corrosion resistance of the steel pipes, most of the steel pipes commonly used at present are only coated with a layer of anticorrosive paint on the inner wall and the outer wall of the steel pipe, so that the steel pipes have a common corrosion resistance and a poor use effect.
Disclosure of Invention
The utility model aims to solve the defects of the prior art and provides an anticorrosive steel pipe.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides an anticorrosive steel pipe, which comprises a pipe body, body one end is equipped with the annular lug of circle, the other end is equipped with the annular ring of inserting that corresponds with the lug, insert on two adjacent body opposite faces the ring cover put on the lug and with lug threaded connection, two adjacent body junction outer walls are equipped with sealed anticorrosive mechanism, all be equipped with the compressive layer on the body inside and outside wall, the compressive layer inboard in the body is equipped with interior anticorrosive coating, the compressive layer outside the body is equipped with outer anticorrosive coating one from inside to outside in proper order, outer anticorrosive coating two, outer anticorrosive coating three, a pair of semicircular pipe strap is installed to two adjacent body junction outer walls.
In particular, the pressure-resistant layer comprises a protective sleeve and elastic particles filled in the protective sleeve, and the protective sleeve is bonded on the pipe body.
Particularly, one end of the outer wall of the pipe body, which is close to the lug, is provided with a first annular groove, and the outer wall of the insert ring is provided with a second annular groove.
Particularly, the sealing and corrosion-preventing mechanism comprises a sealing rubber sleeve sleeved on the outer wall of the joint of the adjacent pipe bodies and an epoxy cement layer coated on the outer side of the sealing rubber sleeve, sealing strips corresponding to the first groove and the second groove are arranged on the inner wall of the sealing rubber sleeve, and the sealing strips are inserted into the first groove and the second groove respectively.
In particular, the sealing rubber sleeve is bonded on the pipe body, and the epoxy daub layer is flush with the outer wall of the protective sleeve of the pressure-resistant layer.
Particularly, the two pipe clamps are sleeved on the pipe body and fixed through bolts and nuts, and sealing rubber pads are arranged on the contact surfaces of the pipe clamps and the pipe body.
Particularly, the pipe clamp is positioned on the third outer side of the outer anti-corrosion coating.
The utility model has the beneficial effects that: according to the utility model, through arranging the three outer anti-corrosion coatings, the one inner anti-corrosion coating, the pressure-resistant layers positioned inside and outside the pipe body, the sealing anti-corrosion mechanism and the pipe clamp, the anti-corrosion effect of the pipeline is further enhanced while the pressure-resistant performance of the pipeline is improved, and the pipeline can be well buffered, pressed and protected under the elastic action of the protective sleeve of the pressure-resistant layer and the elastic particles filled in the protective sleeve, so that the phenomenon that the pipe body is abraded, even bent and damaged due to external pressure in the using process is avoided, the sealing anti-corrosion effect at the interface of the pipeline is good, and the water leakage phenomenon is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the point A in FIG. 1;
FIG. 3 is a schematic view of the position of the bump and the insert ring of the present invention;
in the figure: 1-a pipe body; 2-a pressure resistant layer; 3-an elastomeric particle; 4-inner anticorrosive coating; 5-outer anticorrosive coating one; 6-external anticorrosive coating II; 7-outer anticorrosive coating III; 8-epoxy daub layer; 9-sealing rubber sleeve; 10-a sealing strip; 11-a bump; 12-a first groove; 13-insert ring; 14-groove two; 15-pipe clamp;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1-3, an anticorrosion steel pipe comprises pipe bodies 1, wherein one end of each pipe body 1 is provided with a circular convex block 11, the other end of each pipe body 1 is provided with a circular inserting ring 13 corresponding to the convex block 11, the inserting rings 13 on the opposite surfaces of two adjacent pipe bodies 1 are sleeved on the convex block 11 and are in threaded connection with the convex block 11, the outer wall of the joint of the two adjacent pipe bodies 1 is provided with a sealing anticorrosion mechanism, when the two pipe bodies 1 are installed, the inserting ring 13 on one pipe body 1 is in threaded connection with the convex block 11 on the other pipe body 1, and the pipe bodies 1 are convenient to assemble;
the inner wall and the outer wall of the pipe body 1 are both provided with a pressure-resistant layer 2, the pressure-resistant layer 2 comprises a protective sleeve and elastic particles 3 filled in the protective sleeve, the elastic particles 3 can generate elastic deformation to ensure that the buffer and pressure-resistant effects of the pressure-resistant layer 2 are good, such as polyurethane particles, the protective sleeve is bonded on the pipe body 1, the inner side of the pressure-resistant layer 2 in the pipe body 1 is provided with an inner anticorrosive coating 4, the outer side of the pressure-resistant layer 2 outside the pipe body 1 is sequentially provided with an outer anticorrosive coating I5, an outer anticorrosive coating II 6 and an outer anticorrosive coating III 7 from inside to outside, the outer anticorrosive coating can adopt a special reinforced glass fiber reinforced plastic anticorrosive coating, the inner anticorrosive coating can adopt a drinking water container nontoxic epoxy coating, and under the elastic action of the protective sleeve of the pressure-resistant layer 2 and the elastic particles 3 filled in the protective sleeve, the pipeline can have good buffer, pressure-resistant and protective effects, and can be prevented from being worn or even bent and damaged due to external pressure in the use process, the pipe body 1 has good corrosion prevention effect, and can effectively reduce the corrosion of rainwater and water supplied in the pipe to the pipeline;
a pair of semicircular pipe clamps 15 are mounted on the outer wall of the joint of every two adjacent pipe bodies 1, the two pipe clamps 15 are sleeved on the pipe bodies 1, the two pipe clamps 15 are fixed through bolts and nuts, a sealing rubber pad is arranged on the contact surface of each pipe clamp 15 and the corresponding pipe body 1, and the pipe clamps 15 are located on the outer side of the outer anti-corrosion coating III 7;
the outer wall of the pipe body 1 is provided with a first annular groove 12 close to one end of the convex block 11, the outer wall of the inserting ring 13 is provided with a second groove 14, the sealing anti-corrosion mechanism comprises a sealing rubber sleeve 9 sleeved on the outer wall of the joint of the adjacent pipe body 1, an epoxy cement layer 8 coated on the outer side of the sealing rubber sleeve 9, the inner wall of the sealing rubber sleeve 9 is provided with a sealing strip 10 corresponding to the first groove 12 and the second groove 14, the sealing strip 10 is respectively inserted into the first groove 12 and the second groove 14, the sealing rubber sleeve 9 is bonded on the pipe body 1, the epoxy cement layer 8 is flushed with the outer wall of the protective sleeve of the compression resistant layer 2, the pipe clamp 15 and the sealing anti-corrosion mechanism are arranged, the strength and the sealing anti-corrosion effect of the joint of the pipe body 1 can be further enhanced, and the water leakage phenomenon is avoided.
The utility model has been described in connection with the accompanying drawings, it is to be understood that the utility model is not limited to the specific embodiments disclosed, but is intended to cover various modifications, adaptations or uses of the utility model, and all such modifications and variations are within the scope of the utility model.

Claims (7)

1. The utility model provides an anticorrosive steel pipe, including body (1), a serial communication port, body (1) one end is equipped with annular lug (11) of circle, the other end is equipped with the annular ring (13) of inserting that corresponds with lug (11), insert ring (13) cover on two adjacent body (1) opposite faces and put on lug (11) and with lug (11) threaded connection, two adjacent body (1) junction outer walls are equipped with sealed anticorrosive mechanism, all be equipped with compressive layer (2) on body (1) the inside and outside wall, compressive layer (2) inboard in body (1) is equipped with interior anticorrosive coating (4), the outer compressive layer (2) outside of body (1) is equipped with outer anticorrosive coating one (5) from inside to outside in proper order, outer anticorrosive coating two (6), outer anticorrosive coating three (7), a pair of semicircular pipe strap (15) is installed to two adjacent body (1) junction outer walls.
2. An anti-corrosion steel pipe according to claim 1, wherein the anti-pressure layer (2) comprises a protective sheath and elastic particles (3) filled in the protective sheath, and the protective sheath is adhered to the pipe body (1).
3. The anti-corrosion steel pipe according to claim 2, wherein one end of the outer wall of the pipe body (1) close to the projection (11) is provided with a first annular groove (12), and the outer wall of the insert ring (13) is provided with a second annular groove (14).
4. The anti-corrosion steel pipe according to claim 3, wherein the sealing and anti-corrosion mechanism comprises a sealing rubber sleeve (9) sleeved on the outer wall of the joint of the adjacent pipe bodies (1) and an epoxy cement layer (8) coated on the outer side of the sealing rubber sleeve (9), sealing strips (10) corresponding to the first groove (12) and the second groove (14) are arranged on the inner wall of the sealing rubber sleeve (9), and the sealing strips (10) are respectively inserted into the first groove (12) and the second groove (14).
5. An anti-corrosion steel pipe according to claim 4, wherein the sealing rubber sleeve (9) is bonded on the pipe body (1), and the epoxy mastic layer (8) is flush with the outer wall of the protective sleeve of the pressure-resistant layer (2).
6. The anti-corrosion steel pipe according to claim 5, wherein the two pipe clamps (15) are sleeved on the pipe body (1), the two pipe clamps (15) are fixed through bolts and nuts, and a sealing rubber gasket is arranged on the contact surface of the pipe clamps (15) and the pipe body (1).
7. An anti-corrosion steel pipe according to claim 6, characterized in that the pipe clamp (15) is located outside the outer anti-corrosion coating layer three (7).
CN202123220804.7U 2021-12-21 2021-12-21 Anti-corrosion steel pipe Active CN216447575U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123220804.7U CN216447575U (en) 2021-12-21 2021-12-21 Anti-corrosion steel pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123220804.7U CN216447575U (en) 2021-12-21 2021-12-21 Anti-corrosion steel pipe

Publications (1)

Publication Number Publication Date
CN216447575U true CN216447575U (en) 2022-05-06

Family

ID=81374762

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123220804.7U Active CN216447575U (en) 2021-12-21 2021-12-21 Anti-corrosion steel pipe

Country Status (1)

Country Link
CN (1) CN216447575U (en)

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