CN204493957U - A kind of Forged Tee pipe for natural gas line - Google Patents
A kind of Forged Tee pipe for natural gas line Download PDFInfo
- Publication number
- CN204493957U CN204493957U CN201520084729.1U CN201520084729U CN204493957U CN 204493957 U CN204493957 U CN 204493957U CN 201520084729 U CN201520084729 U CN 201520084729U CN 204493957 U CN204493957 U CN 204493957U
- Authority
- CN
- China
- Prior art keywords
- compression part
- resistance
- pipe
- way pipe
- natural gas
- 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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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 239000003345 natural gas Substances 0.000 title claims abstract description 11
- 230000006835 compression Effects 0.000 claims abstract description 18
- 238000007906 compression Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 15
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 8
- 239000010935 stainless steel Substances 0.000 claims abstract description 8
- 230000006837 decompression Effects 0.000 claims abstract description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 20
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 10
- 239000001569 carbon dioxide Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000006378 damage Effects 0.000 abstract description 3
- 238000005242 forging Methods 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 6
- 239000012530 fluid Substances 0.000 description 2
- 241000191291 Abies alba Species 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
For a Forged Tee pipe for natural gas line, comprise three-way pipe, there is resistance to compression part three pipe joints of described three-way pipe, and there is decompression circular arc the appearance joint between resistance to compression part and three pipes; The utility model can meet anticorrosive, intensity and security requirement, first, in order to make the high temperature resistant and high-load carbon dioxide corrosion of threeway, adopts two-phase stainless Steel material; Secondly, in order to make threeway high pressure resistant, adopt limited element analysis technique to carry out stress analysis; Again, in order to make threeway have more solid internal structure, adopt forging; Finally, in the place that flow velocity changes, stress ratio is concentrated and comparatively greatly, is adopted used line rounding mutually to reduce stress, and increase square resistance to compression part, reduce stress to the destruction of three-way pipe.
Description
Technical field
The utility model relates to three-way pipe, especially a kind of Forged Tee pipe of high temperature resistant, high pressure, high-load carbon dioxide for natural gas line.
Background technique
High pressure means the pressure that pressure rating allows more than design temperature and the material group of the defined of ASME B16.5 2500 pounds (42MPaG).The current domestic gas field occurring high temperature or high pressure or high carbon dioxide, but high temperature, high pressure, high-load carbon dioxide three kinds of exceedingly odious load cases combination occur first at South China Sea DF 1-1 gas field.
The natural gas line of DF 1-1 gas field wellhead platform F, wellhead shut-in pressure is that 55 MPa, CO2 content reaches more than 50%, and design temperature is 100 ° of C.This well head piping design faces the combination of the exceedingly odious operating modes such as High Temperature High Pressure high-load carbon dioxide, and is gas field, and danger is higher.Well head pipeline is for carrying the rock gas flowed out from well head, and be the source that conveying produced by platform, it is connected with christmas tree, and fed sheet of a media is high temperature, high pressure, high-load carbon dioxide, and inflammable.After oil nozzle throttling, fluid is comparatively large to the impact of well head pipeline, and pipeline can be caused to produce vibration.Therefore completing a very important job of its design, is exactly the Safety performance how ensureing pipeline.
Existing common threeway, be generally compacting, namely hydraulic pressure squeezes shape, or hot-forming two kinds of methods.Due to the threeway of compacting; internal structure; usually the defects such as cast condition is loose can be produced in material smelting process; be unfavorable for the impact of fluid and the vibration of pipeline; and pipeline pressure-bearing is high; use in the gas field gathering line of the exceedingly odious load cases combination such as high temperature, high pressure, high-load carbon dioxide, there is risk larger.
Summary of the invention
The utility model, in order to solve the technical problem of above-mentioned existence, provides a kind of Forged Tee pipe for natural gas line.
The technical solution of the utility model is achieved in that
For a Forged Tee pipe for natural gas line, comprise three-way pipe, there is resistance to compression part three pipe joints of described three-way pipe, and there is decompression circular arc the appearance joint between resistance to compression part and three pipes.
Described resistance to compression part is square resistance to compression part.
The material of described three-way pipe is stainless steel material.
The material of described three-way pipe is ASTM A182 F51 two-phase stainless Steel material.
The utility model can meet anticorrosive, intensity and security requirement.First, in order to make the high temperature resistant and high-load carbon dioxide corrosion of threeway, two-phase stainless Steel material is adopted; Secondly, in order to make threeway high pressure resistant, adopt limited element analysis technique to carry out stress analysis; Again, in order to make threeway have more solid internal structure, adopt forging; Finally, in the place that flow velocity changes, stress ratio is concentrated and comparatively greatly, is adopted used line rounding mutually to reduce stress, and increase square resistance to compression part, reduce stress to the destruction of three-way pipe.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is that sectional view is looked on a left side of the present utility model.
1-three-way pipe; 2-resistance to compression part; 3-reduces pressure circular arc.
Embodiment
As shown in Figure 1, the utility model comprises three-way pipe, and there is resistance to compression part three pipe joints of described three-way pipe, and there is decompression circular arc the appearance joint between resistance to compression part and three pipes; Described resistance to compression part is square resistance to compression part; The material of described three-way pipe is ASTM A182 F51 two-phase stainless Steel material.
The utility model can meet anticorrosive, intensity and security requirement.First, in order to make the high temperature resistant and high-load carbon dioxide corrosion of threeway, two-phase stainless Steel material is adopted; Secondly, in order to make threeway high pressure resistant, adopt limited element analysis technique to carry out stress analysis; Again, in order to make threeway have more solid internal structure, adopt forging; Finally, in the place that flow velocity changes, stress ratio is concentrated and comparatively greatly, is adopted used line rounding mutually to reduce stress, and increase square resistance to compression part, reduce stress to the destruction of three-way pipe.
Claims (4)
1. for a Forged Tee pipe for natural gas line, it is characterized in that: comprise three-way pipe, there is resistance to compression part three pipe joints of described three-way pipe, and there is decompression circular arc the appearance joint between resistance to compression part and three pipes.
2. a kind of Forged Tee pipe for natural gas line according to claim 1, is characterized in that: described resistance to compression part is square resistance to compression part.
3. a kind of Forged Tee pipe for natural gas line according to claim 1, is characterized in that: the material of described three-way pipe is stainless steel material.
4. a kind of Forged Tee pipe for natural gas line according to claim 3, is characterized in that: the material of described three-way pipe is ASTM A182 F51 two-phase stainless Steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520084729.1U CN204493957U (en) | 2015-02-06 | 2015-02-06 | A kind of Forged Tee pipe for natural gas line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520084729.1U CN204493957U (en) | 2015-02-06 | 2015-02-06 | A kind of Forged Tee pipe for natural gas line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204493957U true CN204493957U (en) | 2015-07-22 |
Family
ID=53573274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520084729.1U Expired - Fee Related CN204493957U (en) | 2015-02-06 | 2015-02-06 | A kind of Forged Tee pipe for natural gas line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204493957U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843866A (en) * | 2018-08-01 | 2018-11-20 | 江苏新恒基特种装备股份有限公司 | A kind of connection method of high-temperature service adapter tube |
-
2015
- 2015-02-06 CN CN201520084729.1U patent/CN204493957U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843866A (en) * | 2018-08-01 | 2018-11-20 | 江苏新恒基特种装备股份有限公司 | A kind of connection method of high-temperature service adapter tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170428 Address after: 100027 Beijing city Dongcheng District Dongzhimen Street No. 6 Co-patentee after: ZHANJIANG NANHAI WEST OIL SURVEY & DESIGN Co.,Ltd. Patentee after: CNOOC ENERGY TECHNOLOGY & SERVICES Ltd. Address before: 100010 Beijing City, Dongcheng District Chaoyangmen No. 25 North Street P.O. Box 4705 Chinese CNOOC building Co-patentee before: CNOOC ENERGY TECHNOLOGY & SERVICES Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee before: ZHANJIANG NANHAI WEST OIL SURVEY & DESIGN Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |