CN213776766U - Petroleum pipeline joint with long service life - Google Patents
Petroleum pipeline joint with long service life Download PDFInfo
- Publication number
- CN213776766U CN213776766U CN202022843037.4U CN202022843037U CN213776766U CN 213776766 U CN213776766 U CN 213776766U CN 202022843037 U CN202022843037 U CN 202022843037U CN 213776766 U CN213776766 U CN 213776766U
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- Prior art keywords
- layer
- petroleum pipeline
- corrosion
- joint pipe
- life
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- 239000003208 petroleum Substances 0.000 title claims abstract description 61
- 230000007797 corrosion Effects 0.000 claims abstract description 45
- 238000005260 corrosion Methods 0.000 claims abstract description 45
- 229920001971 elastomer Polymers 0.000 claims abstract description 21
- 239000004593 Epoxy Substances 0.000 claims abstract description 19
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 16
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229920003225 polyurethane elastomer Polymers 0.000 claims abstract description 16
- 239000011701 zinc Substances 0.000 claims abstract description 16
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 16
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000003973 paint Substances 0.000 claims description 39
- 229920002379 silicone rubber Polymers 0.000 claims description 16
- 239000010426 asphalt Substances 0.000 claims description 15
- 239000003245 coal Substances 0.000 claims description 15
- 239000004945 silicone rubber Substances 0.000 claims description 15
- 230000002035 prolonged effect Effects 0.000 abstract description 12
- 239000004922 lacquer Substances 0.000 abstract description 9
- 230000006872 improvement Effects 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 5
- 239000011300 coal pitch Substances 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000011294 coal tar pitch Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Laminated Bodies (AREA)
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
- Paints Or Removers (AREA)
Abstract
The utility model discloses a long service life's petroleum pipeline connects, including L type joint pipe, the bottom intercommunication of L type joint pipe has first connecting pipe. The utility model discloses a set up the buffer layer, the silastic-layer, the butadiene acrylonitrile rubber layer, the polyurethane rubber layer, the corrosion resistant layer, epoxy coal pitch lacquer layer, inorganic zinc-rich lacquer layer and chlorinated rubber lacquer layer are mutually supported, improved petroleum pipeline joint shock-absorbing capacity and corrosion resisting property have been reached, extension petroleum pipeline connects life's advantage, make petroleum pipeline joint when receiving the collision, can effectual improvement petroleum pipeline joint's shock-absorbing capacity, prevent that petroleum pipeline joint from appearing the collision damage, the life that petroleum pipeline connects has been prolonged, petroleum pipeline joint is when using for a long time simultaneously, can effectual improvement petroleum pipeline joint's corrosion resisting property, prevent that petroleum pipeline joint from appearing the corrosion damage, the life that petroleum pipeline connects has been prolonged.
Description
Technical Field
The utility model relates to a petroleum pipeline connects technical field, specifically is a long service life's petroleum pipeline connects.
Background
The pipeline is a device for conveying gas, liquid or fluid with solid particles, which is formed by connecting pipes, pipe connectors, valves and the like, generally, the fluid flows from a high-pressure part to a low-pressure part of the pipeline after being pressurized by a blower, a compressor, a pump, a boiler and the like, and can also be conveyed by utilizing the pressure or gravity of the fluid, the pipeline has wide application range, and is mainly used for water supply, drainage, heat supply, gas supply, long-distance petroleum and natural gas conveying, agricultural irrigation, hydraulic engineering and various industrial devices.
When the petroleum pipeline is connected, a petroleum pipeline joint is needed, and the current petroleum pipeline joint has the following defects: the existing petroleum pipeline joint has poor buffering performance, so that when the petroleum pipeline joint is collided, the petroleum pipeline joint is easily damaged by collision, the service life of the petroleum pipeline joint is shortened, and meanwhile, the corrosion resistance of the petroleum pipeline joint is poor, so that when the petroleum pipeline joint is used for a long time, the petroleum pipeline joint is easily damaged by corrosion, and the service life of the petroleum pipeline joint is shortened.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a long service life's petroleum pipeline connects, possess and improve petroleum pipeline and connect shock-absorbing capacity and corrosion resisting property, extension petroleum pipeline connects life's advantage, it is relatively poor to have solved current petroleum pipeline and connect shock-absorbing capacity, lead to petroleum pipeline to connect when receiving the collision, the collision damage appears easily, and the corrosion resisting property that petroleum pipeline connects simultaneously is relatively poor, leads to petroleum pipeline to connect when using for a long time, the problem of corrosion damage appears easily.
In order to achieve the above object, the utility model provides a following technical scheme: a petroleum pipeline joint with long service life comprises an L-shaped joint pipe, wherein the bottom end of the L-shaped joint pipe is communicated with a first connecting pipe, the left end of the L-shaped joint pipe is communicated with a second connecting pipe, a buffer layer is arranged on the surface of the L-shaped joint pipe, and a corrosion-resistant layer is arranged on the surface of the buffer layer;
the buffer layer comprises a silicone rubber layer, the surface of the silicone rubber layer is connected with a butadiene-acrylonitrile rubber layer in an adhesive mode, and the surface of the butadiene-acrylonitrile rubber layer is connected with a polyurethane rubber layer in an adhesive mode;
the corrosion-resistant layer comprises an epoxy coal asphalt paint layer, an inorganic zinc-rich paint layer is coated on the surface of the epoxy coal asphalt paint layer, and a chlorinated rubber paint layer is coated on the surface of the inorganic zinc-rich paint layer.
Preferably, the inner wall of the silicone rubber layer is bonded with the surface of the L-shaped joint pipe, and the inner wall of the epoxy coal asphalt paint layer is coated on the surface of the polyurethane rubber layer.
Preferably, the inner cavity of the buffer layer is positioned on the surface of the L-shaped joint pipe, and the diameter of the buffer layer is larger than that of the L-shaped joint pipe.
Preferably, the thicknesses of the silicone rubber layer, the nitrile rubber layer and the polyurethane rubber layer are the same, and the thicknesses of the epoxy coal asphalt paint layer, the inorganic zinc-rich paint layer and the chlorinated rubber paint layer are the same.
Preferably, the inner cavity of the corrosion-resistant layer is positioned on the surface of the buffer layer, and the diameter of the corrosion-resistant layer is larger than that of the buffer layer.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a set up the buffer layer, the silastic-layer, the butadiene acrylonitrile rubber layer, the polyurethane rubber layer, the corrosion resistant layer, epoxy coal pitch lacquer layer, inorganic zinc-rich lacquer layer and chlorinated rubber lacquer layer are mutually supported, improved petroleum pipeline joint shock-absorbing capacity and corrosion resisting property have been reached, extension petroleum pipeline connects life's advantage, make petroleum pipeline joint when receiving the collision, can effectual improvement petroleum pipeline joint's shock-absorbing capacity, prevent that petroleum pipeline joint from appearing the collision damage, the life that petroleum pipeline connects has been prolonged, petroleum pipeline joint is when using for a long time simultaneously, can effectual improvement petroleum pipeline joint's corrosion resisting property, prevent that petroleum pipeline joint from appearing the corrosion damage, the life that petroleum pipeline connects has been prolonged.
2. The utility model discloses a set up the buffer layer, the silastic-layer, nitrile rubber layer and polyurethane rubber layer mutually support, play the effect that improves L type joint pipe shock-absorbing capacity, can the effectual buffer capacity who improves L type joint pipe, prevent that collision damage from appearing in L type joint pipe, the life of L type joint pipe has been prolonged, through setting up corrosion-resistant layer, epoxy coal pitch lacquer layer, inorganic zinc-rich lacquer layer and chlorinated rubber lacquer layer mutually support, play the effect that improves L type joint pipe corrosion resisting capacity, can the effectual corrosion resisting capacity who improves L type joint pipe, prevent that corrosion damage from appearing in L type joint pipe, the life of L type joint pipe has been prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the inner structure section of the buffer layer according to the present invention;
fig. 3 is an enlarged view of the internal structure section of the corrosion-resistant layer of the present invention.
In the figure: 1. an L-shaped joint pipe; 2. a first connecting pipe; 3. a second connecting pipe; 4. a buffer layer; 41. a silicone rubber layer; 42. a layer of nitrile rubber; 43. a polyurethane rubber layer; 5. a corrosion-resistant layer; 51. an epoxy coal tar pitch paint layer; 52. an inorganic zinc rich paint layer; 53. and a chlorinated rubber paint layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-3, a petroleum pipeline joint with long service life comprises an L-shaped joint pipe 1, wherein the bottom end of the L-shaped joint pipe 1 is communicated with a first connecting pipe 2, the left end of the L-shaped joint pipe 1 is communicated with a second connecting pipe 3, a buffer layer 4 is arranged on the surface of the L-shaped joint pipe 1, and a corrosion-resistant layer 5 is arranged on the surface of the buffer layer 4;
the buffer layer 4 comprises a silicone rubber layer 41, the surface of the silicone rubber layer 41 is bonded with a butadiene-acrylonitrile rubber layer 42, and the surface of the butadiene-acrylonitrile rubber layer 42 is bonded with a polyurethane rubber layer 43;
the corrosion-resistant layer 5 comprises an epoxy coal asphalt paint layer 51, the surface of the epoxy coal asphalt paint layer 51 is coated with an inorganic zinc-rich paint layer 52, the surface of the inorganic zinc-rich paint layer 52 is coated with a chlorinated rubber paint layer 53, the inner wall of the silicone rubber layer 41 is bonded with the surface of the L-shaped joint pipe 1, the inner wall of the epoxy coal asphalt paint layer 51 is coated on the surface of the polyurethane rubber layer 43, the inner cavity of the buffer layer 4 is positioned on the surface of the L-shaped joint pipe 1, the diameter of the buffer layer 4 is larger than that of the L-shaped joint pipe 1, the thicknesses of the silicone rubber layer 41, the nitrile rubber layer 42 and the polyurethane rubber layer 43 are the same, the thicknesses of the epoxy coal asphalt paint layer 51, the inorganic zinc-rich paint layer 52 and the chlorinated rubber paint layer 53 are the same, the inner cavity of the corrosion-resistant layer 5 is positioned on the surface of the buffer layer 4, the diameter of the corrosion-resistant layer 5 is larger than that of the buffer layer 4, and the silicone rubber layer 41, the nitrile rubber layer 42 and the polyurethane rubber layer 43 are matched with each other by arranging the buffer layer 4, the buffer performance of the L-shaped joint pipe 1 is improved, the buffer performance of the L-shaped joint pipe 1 can be effectively improved, the L-shaped joint pipe 1 is prevented from being damaged by collision, the service life of the L-shaped joint pipe 1 is prolonged, the corrosion resistance of the L-shaped joint pipe 1 is improved by arranging the corrosion-resistant layer 5, the epoxy coal asphalt paint layer 51, the inorganic zinc-rich paint layer 52 and the chlorinated rubber paint layer 53 to be matched with each other, the corrosion resistance of the L-shaped joint pipe 1 is effectively improved, the corrosion resistance of the L-shaped joint pipe 1 is prevented from being damaged by corrosion, the service life of the L-shaped joint pipe 1 is prolonged, the buffer layer 4, the silicone rubber layer 41, the nitrile rubber layer 42, the polyurethane rubber layer 43, the corrosion-resistant layer 5, the epoxy coal asphalt paint layer 51, the inorganic zinc-rich paint layer 52 and the chlorinated rubber paint layer 53 are matched with each other, and the buffer performance and the corrosion resistance of the petroleum pipeline joint are improved, the advantage that extension petroleum pipeline connects life makes petroleum pipeline connect when receiving the collision, can effectual improvement petroleum pipeline connect the shock-absorbing capacity, prevents that petroleum pipeline connects the collision damage to appear, has prolonged the life that petroleum pipeline connects, and petroleum pipeline connects when using for a long time simultaneously, can effectual improvement petroleum pipeline connect corrosion resisting property, prevents that petroleum pipeline connects the corrosion damage to appear, has prolonged the life that petroleum pipeline connects.
When the L-shaped joint pipe is used, the buffer layer 4, the silicone rubber layer 41, the nitrile rubber layer 42 and the polyurethane rubber layer 43 are arranged to be matched with each other, so that the buffer performance of the L-shaped joint pipe 1 is improved, the buffer performance of the L-shaped joint pipe 1 can be effectively improved, the L-shaped joint pipe 1 is prevented from being damaged by collision, the service life of the L-shaped joint pipe 1 is prolonged, the corrosion resistance of the L-shaped joint pipe 1 is effectively improved by arranging the corrosion-resistant layer 5, the epoxy coal asphalt paint layer 51, the inorganic zinc-rich paint layer 52 and the chlorinated rubber paint layer 53 to be matched with each other, the corrosion resistance of the L-shaped joint pipe 1 is improved, the corrosion damage of the L-shaped joint pipe 1 is prevented, the service life of the L-shaped joint pipe 1 is prolonged, and therefore the advantages of improving the buffer performance and the corrosion resistance of a petroleum pipeline joint and.
The standard parts used in this document are commercially available, all the components in this document are customized according to the description of the specification and the drawings, and the connection relationship and specific structure between the layers in this document are all performed by the prior art, such as by mechanical methods, by adhesives, by various welding methods (such as thermal welding, ultrasonic welding, flux, welding, and fusion welding), and no specific description is made here.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A long service life's petroleum pipeline connects, includes L type joint pipe (1), its characterized in that: the bottom end of the L-shaped joint pipe (1) is communicated with a first connecting pipe (2), the left end of the L-shaped joint pipe (1) is communicated with a second connecting pipe (3), a buffer layer (4) is arranged on the surface of the L-shaped joint pipe (1), and a corrosion-resistant layer (5) is arranged on the surface of the buffer layer (4);
the buffer layer (4) comprises a silicone rubber layer (41), the surface of the silicone rubber layer (41) is bonded with a butadiene-acrylonitrile rubber layer (42), and the surface of the butadiene-acrylonitrile rubber layer (42) is bonded with a polyurethane rubber layer (43);
the corrosion-resistant layer (5) comprises an epoxy coal asphalt paint layer (51), the surface of the epoxy coal asphalt paint layer (51) is coated with an inorganic zinc-rich paint layer (52), and the surface of the inorganic zinc-rich paint layer (52) is coated with a chlorinated rubber paint layer (53).
2. A long-life petroleum pipeline joint as defined in claim 1, wherein: the inner wall of the silicon rubber layer (41) is bonded with the surface of the L-shaped joint pipe (1), and the inner wall of the epoxy coal asphalt paint layer (51) is coated on the surface of the polyurethane rubber layer (43).
3. A long-life petroleum pipeline joint as defined in claim 1, wherein: the inner cavity of the buffer layer (4) is located on the surface of the L-shaped joint pipe (1), and the diameter of the buffer layer (4) is larger than that of the L-shaped joint pipe (1).
4. A long-life petroleum pipeline joint as defined in claim 1, wherein: the thicknesses of the silicone rubber layer (41), the nitrile rubber layer (42) and the polyurethane rubber layer (43) are the same, and the thicknesses of the epoxy coal asphalt paint layer (51), the inorganic zinc-rich paint layer (52) and the chlorinated rubber paint layer (53) are the same.
5. A long-life petroleum pipeline joint as defined in claim 1, wherein: the inner cavity of the corrosion-resistant layer (5) is positioned on the surface of the buffer layer (4), and the diameter of the corrosion-resistant layer (5) is larger than that of the buffer layer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022843037.4U CN213776766U (en) | 2020-12-02 | 2020-12-02 | Petroleum pipeline joint with long service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022843037.4U CN213776766U (en) | 2020-12-02 | 2020-12-02 | Petroleum pipeline joint with long service life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213776766U true CN213776766U (en) | 2021-07-23 |
Family
ID=76895199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022843037.4U Active CN213776766U (en) | 2020-12-02 | 2020-12-02 | Petroleum pipeline joint with long service life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213776766U (en) |
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2020
- 2020-12-02 CN CN202022843037.4U patent/CN213776766U/en active Active
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