CN214466844U - 一种石油管道用高效密封耐腐蚀法兰 - Google Patents
一种石油管道用高效密封耐腐蚀法兰 Download PDFInfo
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- CN214466844U CN214466844U CN202023275104.3U CN202023275104U CN214466844U CN 214466844 U CN214466844 U CN 214466844U CN 202023275104 U CN202023275104 U CN 202023275104U CN 214466844 U CN214466844 U CN 214466844U
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- Prior art keywords
- flange
- corrosion
- resistant
- pipeline
- pipeline interface
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- 238000005260 corrosion Methods 0.000 title claims abstract description 68
- 230000007797 corrosion Effects 0.000 title claims abstract description 56
- 239000003208 petroleum Substances 0.000 title claims description 24
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 239000003112 inhibitor Substances 0.000 claims abstract description 8
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 239000003921 oil Substances 0.000 description 8
- 239000012535 impurity Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000003209 petroleum derivative Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023275104.3U CN214466844U (zh) | 2020-12-30 | 2020-12-30 | 一种石油管道用高效密封耐腐蚀法兰 |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023275104.3U CN214466844U (zh) | 2020-12-30 | 2020-12-30 | 一种石油管道用高效密封耐腐蚀法兰 |
Publications (1)
| Publication Number | Publication Date |
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| CN214466844U true CN214466844U (zh) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202023275104.3U Active CN214466844U (zh) | 2020-12-30 | 2020-12-30 | 一种石油管道用高效密封耐腐蚀法兰 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214466844U (zh) |
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2020
- 2020-12-30 CN CN202023275104.3U patent/CN214466844U/zh active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A high-efficiency sealing corrosion-resistant flange for petroleum pipelines Effective date of registration: 20231117 Granted publication date: 20211022 Pledgee: Cangzhou Bank Co.,Ltd. Langfang Airport Sub branch Pledgor: Langfang Changqing Petroleum Pipe Fittings Co.,Ltd. Registration number: Y2023980066455 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20211022 Pledgee: Cangzhou Bank Co.,Ltd. Langfang Airport Sub branch Pledgor: Langfang Changqing Petroleum Pipe Fittings Co.,Ltd. Registration number: Y2023980066455 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |