CN206036426U - A anticorrosive steel pipe for oil and gas conveying - Google Patents
A anticorrosive steel pipe for oil and gas conveying Download PDFInfo
- Publication number
- CN206036426U CN206036426U CN201620941193.5U CN201620941193U CN206036426U CN 206036426 U CN206036426 U CN 206036426U CN 201620941193 U CN201620941193 U CN 201620941193U CN 206036426 U CN206036426 U CN 206036426U
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- flange
- oil
- pipe body
- sealing ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an anticorrosive steel pipe for oil and gas conveying relates to machinery, including steel pipe body, sealing washer, screw bolt and nut, the sealing washer cup joints inside the steel pipe body, is equipped with no I cooperation of boss flange of boss and another steel pipe on the one end flange of steel pipe II, location and the installation between the steel pipe be convenient for, the leakproofness of steel pipe junction is guaranteed between II to the steel pipe body was located to the sealing washer flange I and flange, flange I, sealing washer and flange II is through the bolted connection fastening, the utility model has the advantages that the whole structure is simple it is single, firm in connection, and the non -corrosibility is good.
Description
Technical field
This utility model is related to mechanical field, and in particular to a kind of anti-corrosive steel tube for oil-gas transportation.
Background technology：
Steel pipe is the highly important basic components of paint conveying industries, carries the substantial responsibility of conveying oil gas, because
The quality of this steel pipe, aging effects whole industry.Chemical reaction or electrochemical reaction are the main causes of pipe corrosion, be carried
High life, it is necessary to prevent or slow down chemical attack and electrochemical corrosion, therefore corrosion protective layer becomes one of basic means.
Application No. CN201110009487.6 discloses a kind of anticorrosion steel pipe with small calibre, including anti-corrosive steel tube main body, in anti-corrosive steel tube
The inwall and outer wall of main body is formed respectively with anti-corrosion undercoating and anti-corrosion external coating, and its innovative point is：The two of anti-corrosive steel tube main body
End is welded with the rustless steel mouth of pipe, and the diameter of the rustless steel mouth of pipe is identical with anti-corrosive steel tube main diameter.The invention further relates to one
Plant the pipeline being formed by connecting by anticorrosion steel pipe with small calibre.The anticorrosion steel pipe with small calibre and pipeline of the present invention has simple structure, if
Meter is reasonable, it is easy to manufacture, easy construction, and production and construction cost are low, is not required to internal joint patch, favorable anti-corrosion effect, good looking appearance,
The advantages of connection is smooth, can effectively prevent the contamination of connecting portion from getting rusty, improve product service life and security performance, especially
Suitable for minor diameter anti-corrosive steel tube and pipeline, the technical field of anti-corrosive steel tube is also can be widely used in.But, the utility model
Install inconvenient.
Utility model content
The purpose of this utility model is to provide a kind of anti-corrosive steel tube for oil-gas transportation, to solve to lead in prior art
The above-mentioned multinomial defect for causing.
A kind of anti-corrosive steel tube for oil-gas transportation, including steel pipe body, sealing ring, screw bolt and nut, the sealing ring
It is socketed in steel pipe body interior, affiliated steel pipe body one end is flange I, the flange II of the other end is provided with boss, the sealing
Between the flange I and flange II of steel pipe body, the flange I is coordinated circle with the boss on flange II, the flange I, close
Seal and flange II are bolted fastening, and the steel pipe body is constituted by four layers, respectively：It is interior anticorrosive coat, steel pipe layer, outer
Anticorrosive coat and wear-resistant protective layer.
Preferably, the sealing ring is Flange-shaped Parts.
Preferably, the flange I is circle with the cross sectional shape of flange II.
Preferably, the interior anticorrosive coat is 3PE anticorrosive coats with external anti-corrosion layer.
Preferably, the wear-resistant protective layer is polyurethane.
The utility model has the advantage of：This utility model is easily installed, and the end flange II of the steel pipe is provided with convex
Platform is coordinated without boss flange I with another steel pipe, the positioning being easy between steel pipe and installation, and is provided with a sealing between steel pipe
Circle, it is ensured that sealing at fastener for connection, and sealing ring is shaped as flange shape, is easy to installation and the positioning of sealing ring, steel
Tube body is divided into four layers, and interior anticorrosive coat and the external anti-corrosion layer of setting can effectively prevent or slow down steel pipe layer to send out during use
Biochemical reaction or the corrosion phenomenon of electrochemical reaction, affect the service life of steel pipe, reduce use cost, arrange in outermost layer
Wear-resistant protective layer, improves the wearability of steel pipe, reduces the physical abrasion of steel pipe, improves service life, reduces use cost, method
Blue I is circle with the cross sectional shape of flange II, is easy to processing, and interior anticorrosive coat and external anti-corrosion layer are 3PE anticorrosive coats, effect is good, into
This is low, and wear-resistant protective layer is polyurethane, and effect is good, low cost.
Description of the drawings
Fig. 1 is a kind of structural representation of anti-corrosive steel tube for oil-gas transportation described in the utility model.
Fig. 2 is a kind of sectional view of anti-corrosive steel tube for oil-gas transportation described in the utility model.
Wherein：Anticorrosive coat in 1,2 steel pipe layers, 3 external anti-corrosion layers, 4 wear-resistant protective layers, 5 steel pipe bodies, 6
Bolt, 7 sealing rings, 8 nuts, 9 flanges I, 10 flanges II.
Specific embodiment
Technological means, creation characteristic, reached purpose and effect for realizing this utility model is easy to understand, below
With reference to specific embodiment, this utility model is expanded on further.
As shown in Figure 1 and Figure 2, a kind of anti-corrosive steel tube for oil-gas transportation, including steel pipe body 5, sealing ring 7, bolt 6
With nut 8, the sealing ring 7 is socketed in inside steel pipe body 5, and the end flange II 10 of steel pipe is provided with boss with another steel pipe
Coordinate without boss flange I 9, the positioning being easy between steel pipe and installation, flange I 9 of the sealing ring 7 located at steel pipe body 5
Between flange II 10, it is ensured that the sealing at fastener for connection, the flange I 9, sealing ring 7 and flange II 10 are connected by bolt 6
Fastening is connect, the steel pipe body 5 is constituted by four layers, respectively：Interior anticorrosive coat 1, steel pipe layer 2, external anti-corrosion layer 3 and wear-resistant protective layer
4, interior anticorrosive coat 1 and the external anti-corrosion layer 3 of setting can effectively prevent or slow down steel pipe layer 2 that chemical reaction occurs during use
Or the corrosion phenomenon of electrochemical reaction, the service life of steel pipe is affected, and is reduced use cost, wear-resistant protection is provided with outermost layer
Layer 4, improves the wearability of steel pipe, reduces the physical abrasion of steel pipe, improves service life, reduces use cost.
In the present embodiment, the sealing ring 7 is Flange-shaped Parts, is easy to installation and the positioning of sealing ring 7.
In the present embodiment, the flange I 9 is circle with the cross sectional shape of flange II 10, is easy to processing.
In the present embodiment, the interior anticorrosive coat 1 is 3PE anticorrosive coats with external anti-corrosion layer 3, and effect is good, low cost.
In the present embodiment, the wear-resistant protective layer 4 is polyurethane, and effect is good, low cost.
As known by the technical knowledge, this utility model can be by other essence without departing from its spirit or the reality of essential feature
Apply scheme to realize.Therefore, embodiment disclosed above, for each side, is all merely illustrative, and is not only
's.It is all in the range of this utility model or in the change being equal in the range of this utility model by this utility model bag
Contain.
Claims (5)
1. a kind of anti-corrosive steel tube for oil-gas transportation, including steel pipe body (5), sealing ring (7), bolt (6) and nut (8),
It is internal that sealing ring (7) are socketed in steel pipe body (5), it is characterised in that：Affiliated steel pipe body (5) one end is flange I (9),
The flange II (10) of the other end is provided with boss, described sealing ring (7) flange I (9) and flange II located at steel pipe body (5)
(10), between, the flange I (9) is coordinated with the boss on flange II (10), the flange I (9), sealing ring (7) and flange II
(10) by bolt (6) connection fastening, steel pipe body (5) are constituted by four layers, respectively：Interior anticorrosive coat (1), steel pipe layer
(2), external anti-corrosion layer (3) and wear-resistant protective layer (4).
2. a kind of anti-corrosive steel tube for oil-gas transportation according to claim 1, it is characterised in that：Sealing ring (7)
For Flange-shaped Parts.
3. a kind of anti-corrosive steel tube for oil-gas transportation according to claim 1, it is characterised in that：The flange I (9) with
The cross sectional shape of flange II (10) is circle.
4. a kind of anti-corrosive steel tube for oil-gas transportation according to claim 1, it is characterised in that：The interior anticorrosive coat
(1) with external anti-corrosion layer (3) be 3PE anticorrosive coats.
5. a kind of anti-corrosive steel tube for oil-gas transportation according to claim 1, it is characterised in that：The wear-resistant protective layer
(4) it is polyurethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620941193.5U CN206036426U (en) | 2016-08-25 | 2016-08-25 | A anticorrosive steel pipe for oil and gas conveying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620941193.5U CN206036426U (en) | 2016-08-25 | 2016-08-25 | A anticorrosive steel pipe for oil and gas conveying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206036426U true CN206036426U (en) | 2017-03-22 |
Family
ID=58305011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620941193.5U Expired - Fee Related CN206036426U (en) | 2016-08-25 | 2016-08-25 | A anticorrosive steel pipe for oil and gas conveying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206036426U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533879A (en) * | 2018-04-12 | 2018-09-14 | 浙江安吉华逸化纤有限公司 | A kind of pipeline impurity recovering mechanism |
-
2016
- 2016-08-25 CN CN201620941193.5U patent/CN206036426U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533879A (en) * | 2018-04-12 | 2018-09-14 | 浙江安吉华逸化纤有限公司 | A kind of pipeline impurity recovering mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20171220 Granted publication date: 20170322 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20201220 Granted publication date: 20170322 |
|
| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170322 Termination date: 20190825 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |